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PERF: WebDAV small files and large file on the low-spec perf-test VM, local and from the Mac at home #409

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opened 2026-09-29 07:32:14 +00:00 by kayg · 54 comments
kayg commented 2026-09-29 07:32:14 +00:00
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Request (owner, 2026-09-29)

"you now have access to the perf-test vm for testing performance. the specs are intentionally low! you should check webdav perf with both lots of small files and one large file! on both the linux perf-test vm (which is already on your infra so expect fast speeds as is) but the macos vm is at my house so that's kinda the real test!"

Setup

  • perf-test VM: netbird ssh --no-browser --user root 10.69.69.63 (Debian 13 trixie, 4 vCPU, 7 GB RAM, 89 GB free; intentionally low specs). Install calternal from the current dev head as a release build (the deploy/cloud container or the release binary, as close to production as possible), with its own data dir, over HTTPS or plain HTTP on the NetBird address. Create a test User and a WebDAV app password (#328 scopes).
  • Clients: (a) this build host → perf-test over the local infrastructure; (b) the macOS VM at the owner's home (netbird ssh --no-browser --user calternal 10.69.69.21) → perf-test over NetBird: the real-world test. On the Mac use rclone (install via its own binary if needed) and Finder (mount via mount_webdav or Connect to Server; time a Finder copy with ditto/cp onto the mount).
  • Record the network path first: iperf3 or equivalent throughput and RTT between each client and perf-test, so WebDAV numbers can be compared with the raw link.

Measurements (numbers, commands and load averages in docs/perf/webdav-.md)

  1. Many small files: 10,000 × 30 KB and 2,000 × 300 KB (photo-sized sidecars and JPEGs), upload and download; rclone with --transfers 1, 4, 16; Finder copy on the Mac.
  2. One large file: 1 × 5 GB (and 1 × 20 GB if disk allows) upload and download; report MB/s, CPU% and RSS of the server, and whether memory stays flat (streaming, no buffering the whole file).
  3. Per-stage server timing for a small PUT (the #339 profile_stage spans).
  4. Compare against raw link throughput and against a baseline tool on the same VM (rclone serve webdav or nginx dav) so the calternal overhead is visible.
  5. Interleave runs (A/B/A/B), 3 repeats, medians; fixed decision: calternal is "good" when large-file throughput is ≥ 80% of the raw link and small files reach ≥ 200 files/s on the local path; otherwise list the dominant cost with evidence and file one fix issue per root cause.

No product code changes in this job except a fix you can prove (then commit it separately). Clean up large test files afterwards.

## Request (owner, 2026-09-29) "you now have access to the perf-test vm for testing performance. the specs are intentionally low! you should check webdav perf with both lots of small files and one large file! on both the linux perf-test vm (which is already on your infra so expect fast speeds as is) but the macos vm is at my house so that's kinda the real test!" ## Setup - **perf-test VM:** `netbird ssh --no-browser --user root 10.69.69.63` (Debian 13 trixie, 4 vCPU, 7 GB RAM, 89 GB free; intentionally low specs). Install calternal from the current dev head as a release build (the deploy/cloud container or the release binary, as close to production as possible), with its own data dir, over HTTPS or plain HTTP on the NetBird address. Create a test User and a WebDAV app password (#328 scopes). - **Clients:** (a) this build host → perf-test over the local infrastructure; (b) **the macOS VM at the owner's home** (`netbird ssh --no-browser --user calternal 10.69.69.21`) → perf-test over NetBird: the real-world test. On the Mac use rclone (install via its own binary if needed) and Finder (mount via `mount_webdav` or Connect to Server; time a Finder copy with `ditto`/`cp` onto the mount). - Record the network path first: iperf3 or equivalent throughput and RTT between each client and perf-test, so WebDAV numbers can be compared with the raw link. ## Measurements (numbers, commands and load averages in docs/perf/webdav-<date>.md) 1. **Many small files:** 10,000 × 30 KB and 2,000 × 300 KB (photo-sized sidecars and JPEGs), upload and download; rclone with --transfers 1, 4, 16; Finder copy on the Mac. 2. **One large file:** 1 × 5 GB (and 1 × 20 GB if disk allows) upload and download; report MB/s, CPU% and RSS of the server, and whether memory stays flat (streaming, no buffering the whole file). 3. Per-stage server timing for a small PUT (the #339 profile_stage spans). 4. Compare against raw link throughput and against a baseline tool on the same VM (rclone serve webdav or nginx dav) so the calternal overhead is visible. 5. Interleave runs (A/B/A/B), 3 repeats, medians; fixed decision: calternal is "good" when large-file throughput is ≥ 80% of the raw link and small files reach ≥ 200 files/s on the local path; otherwise list the dominant cost with evidence and file one fix issue per root cause. No product code changes in this job except a fix you can prove (then commit it separately). Clean up large test files afterwards.
kayg commented 2026-09-29 07:33:26 +00:00
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Starting measurements on job/webdav-perf. Base/dev SHA: c465150468.

Starting measurements on job/webdav-perf. Base/dev SHA: c46515046871936ad681c4d00e8b76de69dde3b7.
kayg commented 2026-09-29 07:44:15 +00:00
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Network setup finding: the VM's NetBird ACL dropped TCP 5201 before the test; TCP connect RTT to SSH worked, and the VM was listening on 5201. I inserted a temporary runtime-only allow rule for the two named test peers on 5201/8080/8081 so raw-link and WebDAV tests can run. I will remove it after measurement; no persistent firewall file was changed. ICMP echo is also blocked, so RTT uses TCP connect timing.

Network setup finding: the VM's NetBird ACL dropped TCP 5201 before the test; TCP connect RTT to SSH worked, and the VM was listening on 5201. I inserted a temporary runtime-only allow rule for the two named test peers on 5201/8080/8081 so raw-link and WebDAV tests can run. I will remove it after measurement; no persistent firewall file was changed. ICMP echo is also blocked, so RTT uses TCP connect timing.
kayg commented 2026-09-29 07:55:39 +00:00
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Raw link baseline (2026-09-29): Mac TCP connect RTT median 149.3 ms (20 samples); iperf3 3.18 single-stream medians were 64.54 Mbit/s upload and 47.08 Mbit/s download (three 10 s runs each). The build host RTT median was 35.36 ms; iperf3 3.21 single-stream medians were 310.93 Mbit/s upload and 314.33 Mbit/s download (three 10 s runs each). A four-stream 15 s run measured 81.4/49.6 Mbit/s on the Mac and about 648 Mbit/s upload on the build host. Build-host load during its single-stream runs ranged from 20.57/19.11/26.80 to 26.95/21.45/27.02. Exact commands and remaining load samples will be in the report.

Raw link baseline (2026-09-29): Mac TCP connect RTT median 149.3 ms (20 samples); iperf3 3.18 single-stream medians were 64.54 Mbit/s upload and 47.08 Mbit/s download (three 10 s runs each). The build host RTT median was 35.36 ms; iperf3 3.21 single-stream medians were 310.93 Mbit/s upload and 314.33 Mbit/s download (three 10 s runs each). A four-stream 15 s run measured 81.4/49.6 Mbit/s on the Mac and about 648 Mbit/s upload on the build host. Build-host load during its single-stream runs ranged from 20.57/19.11/26.80 to 26.95/21.45/27.02. Exact commands and remaining load samples will be in the report.
kayg commented 2026-09-29 07:58:07 +00:00
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Correction for the raw-link note: the Mac upload sender median is 64.54 Mbit/s, while the measured receiver median is 63.17 Mbit/s. The report uses receiver throughput for the 80% comparison: 63.17 Mbit/s upload and 47.08 Mbit/s download. The build-host receiver medians are 310.93 Mbit/s upload and 314.33 Mbit/s download.

Correction for the raw-link note: the Mac upload sender median is 64.54 Mbit/s, while the measured receiver median is 63.17 Mbit/s. The report uses receiver throughput for the 80% comparison: 63.17 Mbit/s upload and 47.08 Mbit/s download. The build-host receiver medians are 310.93 Mbit/s upload and 314.33 Mbit/s download.
kayg commented 2026-09-29 10:15:20 +00:00
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WebDAV test setup finding: the first rclone copy to calternal:perf-409/local/small-upload/r01-s01 used a path with missing parent directories. Rclone reported Update mkParentDir failed: 404 Not Found for all 10,000 files and exited with status 1 after 690 seconds. This is not a throughput result. I created the parent directories through WebDAV MKCOL on both services. The valid measurement now uses a new child directory. No direct filesystem edits were made.

WebDAV test setup finding: the first `rclone copy` to `calternal:perf-409/local/small-upload/r01-s01` used a path with missing parent directories. Rclone reported `Update mkParentDir failed: 404 Not Found` for all 10,000 files and exited with status 1 after 690 seconds. This is not a throughput result. I created the parent directories through WebDAV `MKCOL` on both services. The valid measurement now uses a new child directory. No direct filesystem edits were made.
kayg commented 2026-09-29 10:37:26 +00:00
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First valid build-host → perf-test Calternal small-file upload sample: 10,000 × 30,000 bytes, --transfers 16, 1,477.205 seconds, 6.77 files/s and 0.203 MB/s; exit 0. The build-host load average changed from 17.14 / 21.85 / 25.18 to 23.14 / 21.02 / 23.40. The VM load changed from 3.57 / 5.27 / 4.25 to 3.66 / 4.29 / 4.60. The server averaged 85.29% CPU and peaked at 170.94% of one core; RSS ranged from 289,608 to 707,804 KiB. This is one sample below the 200 files/s threshold, not a median. The failed 404 setup attempt is excluded; the rclone WebDAV baseline sample is running.

First valid build-host → perf-test Calternal small-file upload sample: 10,000 × 30,000 bytes, `--transfers 16`, 1,477.205 seconds, 6.77 files/s and 0.203 MB/s; exit 0. The build-host load average changed from 17.14 / 21.85 / 25.18 to 23.14 / 21.02 / 23.40. The VM load changed from 3.57 / 5.27 / 4.25 to 3.66 / 4.29 / 4.60. The server averaged 85.29% CPU and peaked at 170.94% of one core; RSS ranged from 289,608 to 707,804 KiB. This is one sample below the 200 files/s threshold, not a median. The failed 404 setup attempt is excluded; the rclone WebDAV baseline sample is running.
kayg commented 2026-09-29 10:40:57 +00:00
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Small-file upload baseline, build host to perf-test, 10,000 x 30,000-byte files, transfers=16:

/home/kayg/.cache/calternal-webdav-perf/bin/rclone copy /home/kayg/.cache/calternal-webdav-perf/corpus-small baseline:perf-409/local/small-upload/r01-s01 --config /home/kayg/.cache/calternal-webdav-perf/rclone.conf --transfers 16 --checkers 16 --log-level ERROR

Start/end UTC: 2026-09-29T10:33:34.408Z / 2026-09-29T10:39:23.252Z. Result: 10,000 files, 300,000,000 bytes, 348.843246 s, 28.666 files/s, 859,985 B/s, exit 0. Build-host load averages: 23.32/21.24/23.41 to 17.54/21.63/23.09. Perf-test load at end: 3.28/3.02/3.87; start was not captured. Baseline server CPU: 8.64% average, 17.99% max of one core; RSS 72,892–133,360 KiB.

The matching Calternal sample was 6.77 files/s (1,477.205 s). These are single samples under changing, high build-host load, not medians; no decision against the issue threshold is valid yet. Raw data and commands are in docs/perf/webdav-2026-09-29.md.

Small-file upload baseline, build host to perf-test, 10,000 x 30,000-byte files, transfers=16: `/home/kayg/.cache/calternal-webdav-perf/bin/rclone copy /home/kayg/.cache/calternal-webdav-perf/corpus-small baseline:perf-409/local/small-upload/r01-s01 --config /home/kayg/.cache/calternal-webdav-perf/rclone.conf --transfers 16 --checkers 16 --log-level ERROR` Start/end UTC: 2026-09-29T10:33:34.408Z / 2026-09-29T10:39:23.252Z. Result: 10,000 files, 300,000,000 bytes, 348.843246 s, 28.666 files/s, 859,985 B/s, exit 0. Build-host load averages: 23.32/21.24/23.41 to 17.54/21.63/23.09. Perf-test load at end: 3.28/3.02/3.87; start was not captured. Baseline server CPU: 8.64% average, 17.99% max of one core; RSS 72,892–133,360 KiB. The matching Calternal sample was 6.77 files/s (1,477.205 s). These are single samples under changing, high build-host load, not medians; no decision against the issue threshold is valid yet. Raw data and commands are in docs/perf/webdav-2026-09-29.md.
kayg commented 2026-09-29 11:40:32 +00:00
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Interleaved small-upload results so far (build host → perf-test, 10,000 × 30,000 bytes, transfers=16): one valid Calternal run completed in 1,477.205 s at 6.77 files/s; baseline runs completed in 348.843 s at 28.666 files/s and 378.109 s at 26.447 files/s. The second Calternal run was stopped after 1,814.546 s with exit -2; completed file count was not verified, so it is excluded. Build-host load was high and changed across runs. There are no three-repeat medians.

One diagnostic 30 KB PUT took 330.97 ms. Profile: atomic_write_and_fsync 131.618 ms, staging_write_and_fsync 25.223 ms, upload_create 58.079 ms, quota_reservation 28.370 ms, app_password_verifier 17.554 ms. The one full tests/adversarial/webdav.py round passed. The Mac mount_webdav -i command returned usage status 22 before contacting WebDAV, so no Finder copy was measured. I filed follow-up #429 for the measured small-file durable-write latency. Raw commands, load averages, CPU/RSS, and limits are in docs/perf/webdav-2026-09-29.md.

Interleaved small-upload results so far (build host → perf-test, 10,000 × 30,000 bytes, transfers=16): one valid Calternal run completed in 1,477.205 s at 6.77 files/s; baseline runs completed in 348.843 s at 28.666 files/s and 378.109 s at 26.447 files/s. The second Calternal run was stopped after 1,814.546 s with exit -2; completed file count was not verified, so it is excluded. Build-host load was high and changed across runs. There are no three-repeat medians. One diagnostic 30 KB PUT took 330.97 ms. Profile: `atomic_write_and_fsync` 131.618 ms, `staging_write_and_fsync` 25.223 ms, `upload_create` 58.079 ms, `quota_reservation` 28.370 ms, `app_password_verifier` 17.554 ms. The one full `tests/adversarial/webdav.py` round passed. The Mac `mount_webdav -i` command returned usage status 22 before contacting WebDAV, so no Finder copy was measured. I filed follow-up #429 for the measured small-file durable-write latency. Raw commands, load averages, CPU/RSS, and limits are in `docs/perf/webdav-2026-09-29.md`.
kayg commented 2026-09-29 11:49:37 +00:00
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Final report — Forgejo #409

Branch job/webdav-perf was pushed at head c751c6626bfe149ef2f7729dd5aa38678d98947d. The full measurement record, raw commands, load averages, CPU/RSS, gate output and known gaps are in docs/perf/webdav-2026-09-29.md.

Results

  • One complete Calternal 10,000 × 30 KB upload at transfers=16: 1,477.205 s, 6.77 files/s. Server CPU averaged 85.29% of one core, max 170.94%; RSS 289,608–707,804 KiB.
  • Matching baseline completed twice: 348.843 s / 28.666 files/s and 378.109 s / 26.447 files/s.
  • The second Calternal run was stopped after 1,814.546 s with exit -2; completion count was not verified. The required three-repeat medians and decision are incomplete.
  • A 30 KB diagnostic PUT took 330.97 ms. atomic_write_and_fsync was the largest measured stage at 131.618 ms. Follow-up issue #429 records this evidence.
  • One full python3 tests/adversarial/webdav.py pass: WebDAV scripted probes passed.
  • The Mac mount_webdav -i attempt returned status 22 with usage text before any WebDAV request; there is no Finder-copy measurement.

Gate output

cargo fmt --check: exit code 0, no output.

cargo clippy --all-targets -- -D warnings was stopped before completion at the job time limit. Its last output ended with:

    Checking chrono v0.4.45
    Checking zerotrie v0.2.5
    Checking icu_locale_core v2.3.0
    Checking ppv-lite86 v0.2.21
    Checking utf8_iter v1.0.4
   Compiling getrandom v0.3.4
    Checking siphasher v1.0.3

cargo test did not start. apps/web bun run check passed with svelte-check found 0 errors and 0 warnings. apps/web bun run test was stopped; output ended with error: script "test" exited with code 143. The full captured output is in the report. cargo clean printed Removed 0 files and exited 0.

Remaining work and decisions

The 2,000-file matrix, local 5 GB upload/download, Mac rclone/Finder transfers, three-repeat medians, cargo clippy, and cargo test remain unmeasured or incomplete. The report records the exact commands and output for the gates.

I used the prepared cloud image after the worktree release build spent 1h52m compiling and had reached only 100/199 xmp_toolkit C/C++ objects. The image differs from the branch base only in calternal-fs Unicode join-control path handling, outside these ASCII benchmark names; DAV/server/auth crates were unchanged. I stopped the second Calternal upload after the 30-minute time-box and stopped incomplete gates at the job time limit.

The Calternal service is installed on perf-test and stopped. Start it for a later round with systemctl start calternal-webdav-perf.service. Benchmark corpora, large source files, uploaded test trees, traces and temporary firewall rule were removed. The branch was pushed; it was not merged into dev.

## Final report — Forgejo #409 Branch `job/webdav-perf` was pushed at head `c751c6626bfe149ef2f7729dd5aa38678d98947d`. The full measurement record, raw commands, load averages, CPU/RSS, gate output and known gaps are in `docs/perf/webdav-2026-09-29.md`. ### Results - One complete Calternal 10,000 × 30 KB upload at transfers=16: 1,477.205 s, 6.77 files/s. Server CPU averaged 85.29% of one core, max 170.94%; RSS 289,608–707,804 KiB. - Matching baseline completed twice: 348.843 s / 28.666 files/s and 378.109 s / 26.447 files/s. - The second Calternal run was stopped after 1,814.546 s with exit -2; completion count was not verified. The required three-repeat medians and decision are incomplete. - A 30 KB diagnostic PUT took 330.97 ms. `atomic_write_and_fsync` was the largest measured stage at 131.618 ms. Follow-up issue #429 records this evidence. - One full `python3 tests/adversarial/webdav.py` pass: `WebDAV scripted probes passed`. - The Mac `mount_webdav -i` attempt returned status 22 with usage text before any WebDAV request; there is no Finder-copy measurement. ### Gate output `cargo fmt --check`: exit code 0, no output. `cargo clippy --all-targets -- -D warnings` was stopped before completion at the job time limit. Its last output ended with: ```text Checking chrono v0.4.45 Checking zerotrie v0.2.5 Checking icu_locale_core v2.3.0 Checking ppv-lite86 v0.2.21 Checking utf8_iter v1.0.4 Compiling getrandom v0.3.4 Checking siphasher v1.0.3 ``` `cargo test` did not start. `apps/web bun run check` passed with `svelte-check found 0 errors and 0 warnings`. `apps/web bun run test` was stopped; output ended with `error: script "test" exited with code 143`. The full captured output is in the report. `cargo clean` printed `Removed 0 files` and exited 0. ### Remaining work and decisions The 2,000-file matrix, local 5 GB upload/download, Mac rclone/Finder transfers, three-repeat medians, `cargo clippy`, and `cargo test` remain unmeasured or incomplete. The report records the exact commands and output for the gates. I used the prepared cloud image after the worktree release build spent 1h52m compiling and had reached only 100/199 `xmp_toolkit` C/C++ objects. The image differs from the branch base only in `calternal-fs` Unicode join-control path handling, outside these ASCII benchmark names; DAV/server/auth crates were unchanged. I stopped the second Calternal upload after the 30-minute time-box and stopped incomplete gates at the job time limit. The Calternal service is installed on perf-test and stopped. Start it for a later round with `systemctl start calternal-webdav-perf.service`. Benchmark corpora, large source files, uploaded test trees, traces and temporary firewall rule were removed. The branch was pushed; it was not merged into `dev`.
kayg commented 2026-09-29 11:51:21 +00:00
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Resuming measurement-only work on job/webdav-perf from c751c6626bfe149ef2f7729dd5aa38678d98947d; dev was 191b179baac3ef4f5bebfe07ce91c4b7a887ace2 at start. I am reading the prior run log and checking the installed perf-test and Mac clients before continuing the requested 3-repeat interleaved matrix. No product code changes are planned; #429 owns the fix.

Resuming measurement-only work on `job/webdav-perf` from `c751c6626bfe149ef2f7729dd5aa38678d98947d`; `dev` was `191b179baac3ef4f5bebfe07ce91c4b7a887ace2` at start. I am reading the prior run log and checking the installed perf-test and Mac clients before continuing the requested 3-repeat interleaved matrix. No product code changes are planned; #429 owns the fix.
kayg commented 2026-09-29 11:56:46 +00:00
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Finding for #409 / #429: the installed baseline is rclone v1.75.1 serve webdav backed by its local filesystem, with no VFS cache-mode override. The tagged source shows WriteFileHandle.Sync() returns nil without a sync syscall, and the local backend opens the final path with O_CREATE|O_TRUNC, writes it, and closes it. This path does not use a temporary file plus rename or an explicit per-file fsync; the baseline therefore has a weaker crash-durability contract than calternal's DESIGN §2 write. Source: https://github.com/rclone/rclone/blob/v1.75.1/vfs/write.go#L362-L366 and https://github.com/rclone/rclone/blob/v1.75.1/backend/local/local.go#L1538-L1597. I recorded this and the guarantees required by batched barriers in docs/perf/webdav-2026-09-29.md so #429 does not treat the raw throughput difference as equal-durability.

Finding for #409 / #429: the installed baseline is rclone v1.75.1 `serve webdav` backed by its local filesystem, with no VFS cache-mode override. The tagged source shows `WriteFileHandle.Sync()` returns `nil` without a sync syscall, and the local backend opens the final path with `O_CREATE|O_TRUNC`, writes it, and closes it. This path does not use a temporary file plus rename or an explicit per-file `fsync`; the baseline therefore has a weaker crash-durability contract than calternal's DESIGN §2 write. Source: https://github.com/rclone/rclone/blob/v1.75.1/vfs/write.go#L362-L366 and https://github.com/rclone/rclone/blob/v1.75.1/backend/local/local.go#L1538-L1597. I recorded this and the guarantees required by batched barriers in `docs/perf/webdav-2026-09-29.md` so #429 does not treat the raw throughput difference as equal-durability.
kayg commented 2026-09-29 12:00:54 +00:00
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Coordination request from #409: at 14:00 CEST on 2026-09-29, perf-test reported 1-minute load 1.90 and had /root/jank414/target/debug/calternal-server running (it listened on loopback port 16971). The #409 Calternal and baseline units are stopped. I am holding transfers until the other test server is stopped and the 1-minute load is below 1. Please note here when your perf-test slot ends or if you need to keep the VM reserved.

Coordination request from #409: at 14:00 CEST on 2026-09-29, `perf-test` reported 1-minute load 1.90 and had `/root/jank414/target/debug/calternal-server` running (it listened on loopback port 16971). The #409 Calternal and baseline units are stopped. I am holding transfers until the other test server is stopped and the 1-minute load is below 1. Please note here when your perf-test slot ends or if you need to keep the VM reserved.
kayg commented 2026-09-29 12:18:10 +00:00
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Perf-test recheck at 14:17:55 CEST: 1-minute load was 1.37 and /root/modes-424/target/release/calternal-server was active. I stopped both #409 systemd services; no matrix request ran. Please note when the modes-424 pilot has finished and its server is stopped. I will restart the #409 services only after a fresh check shows no unrelated server and 1-minute load below 1.

Perf-test recheck at 14:17:55 CEST: 1-minute load was 1.37 and `/root/modes-424/target/release/calternal-server` was active. I stopped both #409 systemd services; no matrix request ran. Please note when the modes-424 pilot has finished and its server is stopped. I will restart the #409 services only after a fresh check shows no unrelated server and 1-minute load below 1.
kayg commented 2026-09-29 12:23:05 +00:00
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Perf-test recheck at 14:22:53 CEST: uptime reported load averages 6.94, 4.28, 3.02. /root/modes-424/target/release/calternal-server and its bun run perf:modes -- --runs 1 pilot remain active. Both #409 WebDAV units are inactive. No #409 request ran. I will recheck after the pilot stops and require a fresh one-minute load below 1 with no unrelated server before starting a sample.

Perf-test recheck at 14:22:53 CEST: `uptime` reported load averages 6.94, 4.28, 3.02. `/root/modes-424/target/release/calternal-server` and its `bun run perf:modes -- --runs 1` pilot remain active. Both #409 WebDAV units are inactive. No #409 request ran. I will recheck after the pilot stops and require a fresh one-minute load below 1 with no unrelated server before starting a sample.
kayg commented 2026-09-29 12:25:03 +00:00
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Decision for the resumed #409 matrix where the request leaves client settings open: use Rclone --transfers 16 for small-file corpora to match the prior small-file setup, and one transfer for a single large file. On macOS, time ditto on the already-mounted WebDAV volume; mount and unmount are recorded separately from copy time. Each upload uses a fresh destination. Download and listing fixtures are seeded before their timed runs, with seed traffic logged separately and the same VM guard applied. These settings are in docs/perf/webdav-2026-09-29.md.

Decision for the resumed #409 matrix where the request leaves client settings open: use Rclone `--transfers 16` for small-file corpora to match the prior small-file setup, and one transfer for a single large file. On macOS, time `ditto` on the already-mounted WebDAV volume; mount and unmount are recorded separately from copy time. Each upload uses a fresh destination. Download and listing fixtures are seeded before their timed runs, with seed traffic logged separately and the same VM guard applied. These settings are in `docs/perf/webdav-2026-09-29.md`.
kayg commented 2026-09-29 12:25:22 +00:00
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Perf-test recheck at 14:25:08 CEST: one-minute load was 2.25. ps shows the #367 bench/run.sh --full --search --measure-only runner active, while /root/modes-424/target/release/calternal-server is no longer present. Both #409 WebDAV units remain inactive, and no #409 request ran. Please note when your full run releases the VM; I will wait for a fresh load-below-1 check and no unrelated server before starting.

Perf-test recheck at 14:25:08 CEST: one-minute load was 2.25. `ps` shows the #367 `bench/run.sh --full --search --measure-only` runner active, while `/root/modes-424/target/release/calternal-server` is no longer present. Both #409 WebDAV units remain inactive, and no #409 request ran. Please note when your full run releases the VM; I will wait for a fresh load-below-1 check and no unrelated server before starting.
kayg commented 2026-09-29 12:28:58 +00:00
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Resume-scope finding for #409: the Calternal WebDAV adapter exposes OPTIONS, PROPFIND, GET, HEAD, and PUT, but not PATCH; it returns HTTP 501 for PUT carrying Content-Range or X-Update-Range (crates/calternal-dav/src/files.rs, DavMethodSet and request guard). Therefore WebDAV cannot continue an upload at a byte offset. The resumed matrix will measure the interrupted upload plus the client's whole-file retry behavior, and will separately test download resume with a Range GET requiring 206 and the requested Content-Range offset. I recorded the protocol boundary in docs/perf/webdav-2026-09-29.md; this is measurement scope, not a proposed product change.

Resume-scope finding for #409: the Calternal WebDAV adapter exposes `OPTIONS`, `PROPFIND`, `GET`, `HEAD`, and `PUT`, but not `PATCH`; it returns HTTP 501 for `PUT` carrying `Content-Range` or `X-Update-Range` (`crates/calternal-dav/src/files.rs`, `DavMethodSet` and request guard). Therefore WebDAV cannot continue an upload at a byte offset. The resumed matrix will measure the interrupted upload plus the client's whole-file retry behavior, and will separately test download resume with a Range GET requiring 206 and the requested Content-Range offset. I recorded the protocol boundary in `docs/perf/webdav-2026-09-29.md`; this is measurement scope, not a proposed product change.
kayg commented 2026-09-29 12:32:54 +00:00
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Perf-test recheck at 14:32:44 CEST: uptime reported load averages 2.74, 2.67, 2.77. The #367 bench/run.sh --full --search --measure-only process remains active; neither unrelated app server nor either #409 service is listening. No #409 request ran. I will wait for the #367 run to release the VM and for a fresh one-minute load below 1 before starting the matrix.

Perf-test recheck at 14:32:44 CEST: `uptime` reported load averages 2.74, 2.67, 2.77. The #367 `bench/run.sh --full --search --measure-only` process remains active; neither unrelated app server nor either #409 service is listening. No #409 request ran. I will wait for the #367 run to release the VM and for a fresh one-minute load below 1 before starting the matrix.
kayg commented 2026-09-29 12:39:15 +00:00
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Perf-test recheck at 14:39:02 CEST: one-minute load was 1.31 (5-minute 2.38, 15-minute 2.63). The #367 bench/run.sh --full --search --measure-only runner remains active; no unrelated server is listening, and both #409 units remain stopped. No #409 request ran. The one-minute load is still above 1, so I am holding the matrix.

Perf-test recheck at 14:39:02 CEST: one-minute load was 1.31 (5-minute 2.38, 15-minute 2.63). The #367 `bench/run.sh --full --search --measure-only` runner remains active; no unrelated server is listening, and both #409 units remain stopped. No #409 request ran. The one-minute load is still above 1, so I am holding the matrix.
kayg commented 2026-09-29 12:40:34 +00:00
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Perf-test recheck at 14:40:04 CEST: bench/run.sh --full --search --measure-only and all app-server processes are no longer present. The one-minute load is 1.94 (5-minute 2.30, 15-minute 2.58), still above the required threshold. Both #409 units remain stopped; no #409 request ran. I will wait for a fresh load-below-1 check before starting them.

Perf-test recheck at 14:40:04 CEST: `bench/run.sh --full --search --measure-only` and all app-server processes are no longer present. The one-minute load is 1.94 (5-minute 2.30, 15-minute 2.58), still above the required threshold. Both #409 units remain stopped; no #409 request ran. I will wait for a fresh load-below-1 check before starting them.
kayg commented 2026-09-29 12:41:45 +00:00
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Perf-test load diagnosis at 14:41:37 CEST: uptime was 3.56 / 2.75 / 2.72 with no app-server process or #367 runner. ps -eo pid,pcpu,pmem,comm --sort=-pcpu showed PID 170824 docling at 264% CPU and 23.7% RAM; the process arguments were not read. Both #409 services remain stopped and no WebDAV sample ran. The load gate remains closed.

Perf-test load diagnosis at 14:41:37 CEST: `uptime` was 3.56 / 2.75 / 2.72 with no app-server process or #367 runner. `ps -eo pid,pcpu,pmem,comm --sort=-pcpu` showed PID 170824 `docling` at 264% CPU and 23.7% RAM; the process arguments were not read. Both #409 services remain stopped and no WebDAV sample ran. The load gate remains closed.
kayg commented 2026-09-29 12:43:04 +00:00
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Perf-test recheck at 14:42:44 CEST: uptime reported 2.84 / 2.71 / 2.71. No app server or #367 runner was visible, but PID 172487 docling was at 301% CPU (315% on a follow-up sample), 17.9% RAM, under a root session cgroup. I did not read its arguments. Both #409 services are stopped; no matrix request ran. Load remains above the required threshold.

Perf-test recheck at 14:42:44 CEST: `uptime` reported 2.84 / 2.71 / 2.71. No app server or #367 runner was visible, but PID 172487 `docling` was at 301% CPU (315% on a follow-up sample), 17.9% RAM, under a root session cgroup. I did not read its arguments. Both #409 services are stopped; no matrix request ran. Load remains above the required threshold.
kayg commented 2026-09-29 12:45:59 +00:00
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Perf-test recheck at 14:45:48 CEST: uptime reported 2.49 / 2.63 / 2.69. docling-rs was using 238% CPU and 25.3% RAM. No app server or #367 runner was present; both #409 units were inactive/failed. The below-1 load gate still fails, so no WebDAV request ran.

Perf-test recheck at 14:45:48 CEST: `uptime` reported 2.49 / 2.63 / 2.69. `docling-rs` was using 238% CPU and 25.3% RAM. No app server or #367 runner was present; both #409 units were inactive/failed. The below-1 load gate still fails, so no WebDAV request ran.
kayg commented 2026-09-29 12:49:08 +00:00
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Perf-test recheck at 14:49:00 CEST: one-minute load was 1.68 (5-minute 2.23, 15-minute 2.52). docling-rs remained the top process at 197% CPU and 69.7% RAM. No app server or #367 runner was present, and both #409 units remained stopped. No #409 transfer ran; the below-1 gate remains closed.

Perf-test recheck at 14:49:00 CEST: one-minute load was 1.68 (5-minute 2.23, 15-minute 2.52). `docling-rs` remained the top process at 197% CPU and 69.7% RAM. No app server or #367 runner was present, and both #409 units remained stopped. No #409 transfer ran; the below-1 gate remains closed.
kayg commented 2026-09-29 12:49:56 +00:00
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Fixture-storage decision for #409: perf-test has 89 GiB free. The 1 GB/5 GB upload samples would use about 18 GB per client per server for three repeats, so keeping outputs for build-host Rclone, Mac Rclone, and Finder together would exceed disk space once both server roots and download seeds are counted. The report uses separate single-level w409-seed-* collections for downloads/PROPFIND and per-client upload destinations; it removes each client's output before the next client, then cleans the seed collections and empties only the dedicated test User's Trash. Seed and cleanup requests are logged outside timed intervals.

Fixture-storage decision for #409: perf-test has 89 GiB free. The 1 GB/5 GB upload samples would use about 18 GB per client per server for three repeats, so keeping outputs for build-host Rclone, Mac Rclone, and Finder together would exceed disk space once both server roots and download seeds are counted. The report uses separate single-level `w409-seed-*` collections for downloads/PROPFIND and per-client upload destinations; it removes each client's output before the next client, then cleans the seed collections and empties only the dedicated test User's Trash. Seed and cleanup requests are logged outside timed intervals.
kayg commented 2026-09-29 12:51:08 +00:00
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Perf-test recheck at 14:50:59 CEST: uptime reported 1.93 / 2.16 / 2.46. docling-rs used 196% CPU and 82.7% RAM. No app-server listener was present and both #409 units remained stopped. This also leaves little memory headroom on the 7.7 GiB VM; I did not start a transfer.

Perf-test recheck at 14:50:59 CEST: `uptime` reported 1.93 / 2.16 / 2.46. `docling-rs` used 196% CPU and 82.7% RAM. No app-server listener was present and both #409 units remained stopped. This also leaves little memory headroom on the 7.7 GiB VM; I did not start a transfer.
kayg commented 2026-09-29 12:53:43 +00:00
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Perf-test check at 14:53:35 CEST: the one-minute load rose from 1.28 at 14:52 to 2.93; five-minute/15-minute averages are 2.30 / 2.45. docling-rs was at 306% CPU and 8.0% RAM. No app server is listening, and both #409 units are stopped. The load is fluctuating above the gate, so no sample ran.

Perf-test check at 14:53:35 CEST: the one-minute load rose from 1.28 at 14:52 to 2.93; five-minute/15-minute averages are 2.30 / 2.45. `docling-rs` was at 306% CPU and 8.0% RAM. No app server is listening, and both #409 units are stopped. The load is fluctuating above the gate, so no sample ran.
kayg commented 2026-09-29 12:54:36 +00:00
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Perf-test check at 14:54:27 CEST: load averages were 2.63 / 2.32 / 2.45. free -h reported 1.3 GiB free and 2.2 GiB available on the 7.7 GiB VM, with no swap. docling-rs used 212% CPU / 62.4% RAM, and pip used 81.3% CPU. No app server was listening and both #409 units were stopped; no WebDAV request ran.

Perf-test check at 14:54:27 CEST: load averages were 2.63 / 2.32 / 2.45. `free -h` reported 1.3 GiB free and 2.2 GiB available on the 7.7 GiB VM, with no swap. `docling-rs` used 212% CPU / 62.4% RAM, and `pip` used 81.3% CPU. No app server was listening and both #409 units were stopped; no WebDAV request ran.
kayg commented 2026-09-29 12:56:12 +00:00
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Perf-test recheck at 14:56:05 CEST: load averages were 1.42 / 1.93 / 2.30. Memory available was 5.1 GiB, with no swap; docling-rs was at 180% CPU / 25.5% RAM. No app server was listening and both #409 units remained stopped. The one-minute gate still fails.

Perf-test recheck at 14:56:05 CEST: load averages were 1.42 / 1.93 / 2.30. Memory available was 5.1 GiB, with no swap; `docling-rs` was at 180% CPU / 25.5% RAM. No app server was listening and both #409 units remained stopped. The one-minute gate still fails.
kayg commented 2026-09-29 12:56:46 +00:00
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Perf-test check at 14:56:29 CEST: load averages were 1.81 / 1.97 / 2.30; docling-rs was at 191% CPU / 23.1% RAM. No app server was listening and both #409 units remain stopped. I saw #367's 12:53 UTC comment that its targeted 100k Search runner is staged and waiting for a VM slot. I will hold all #409 requests until that runner releases the VM and a fresh check passes the below-1 load gate.

Perf-test check at 14:56:29 CEST: load averages were 1.81 / 1.97 / 2.30; `docling-rs` was at 191% CPU / 23.1% RAM. No app server was listening and both #409 units remain stopped. I saw #367's 12:53 UTC comment that its targeted 100k Search runner is staged and waiting for a VM slot. I will hold all #409 requests until that runner releases the VM and a fresh check passes the below-1 load gate.
kayg commented 2026-09-29 12:58:34 +00:00
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Perf-test recheck at 14:58:28 CEST: load averages were 2.17 / 2.06 / 2.29, with 4.6 GiB available RAM and no swap. docling-rs was at 188% CPU / 31.8% RAM. No app server was listening; #409 services remain stopped while #367's Search runner waits. No request ran.

Perf-test recheck at 14:58:28 CEST: load averages were 2.17 / 2.06 / 2.29, with 4.6 GiB available RAM and no swap. `docling-rs` was at 188% CPU / 31.8% RAM. No app server was listening; #409 services remain stopped while #367's Search runner waits. No request ran.
kayg commented 2026-09-29 13:00:28 +00:00
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Perf-test recheck at 15:00:20 CEST: load averages were 2.29 / 2.09 / 2.27. docling-rs was at 200% CPU / 46.4% RAM; memory available was 3.5 GiB, with no swap. No app server was listening. Both #409 units remain stopped while #367's Search runner waits; no WebDAV request ran.

Perf-test recheck at 15:00:20 CEST: load averages were 2.29 / 2.09 / 2.27. `docling-rs` was at 200% CPU / 46.4% RAM; memory available was 3.5 GiB, with no swap. No app server was listening. Both #409 units remain stopped while #367's Search runner waits; no WebDAV request ran.
kayg commented 2026-09-29 13:04:30 +00:00
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Perf-test recheck at 15:04:21 CEST: load averages were 1.06 / 1.92 / 2.19, just above the one-minute cutoff. Available memory was 7.0 GiB; no app server was listening. pdf2md was at 98.5% CPU. Both #409 services remain stopped; no request ran. #367's targeted Search run is still staged, so I am waiting for its release as well as a fresh below-1 check.

Perf-test recheck at 15:04:21 CEST: load averages were 1.06 / 1.92 / 2.19, just above the one-minute cutoff. Available memory was 7.0 GiB; no app server was listening. `pdf2md` was at 98.5% CPU. Both #409 services remain stopped; no request ran. #367's targeted Search run is still staged, so I am waiting for its release as well as a fresh below-1 check.
kayg commented 2026-09-29 13:06:26 +00:00
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Perf-test check at 15:06:18 CEST: load averages were 1.11 / 1.70 / 2.08, still just above the one-minute cutoff. Memory available was 7.0 GiB with no swap; pip was at 60.1% CPU. No app server was listening. Both #409 services remain stopped pending #367's Search slot and a below-1 recheck.

Perf-test check at 15:06:18 CEST: load averages were 1.11 / 1.70 / 2.08, still just above the one-minute cutoff. Memory available was 7.0 GiB with no swap; `pip` was at 60.1% CPU. No app server was listening. Both #409 services remain stopped pending #367's Search slot and a below-1 recheck.
kayg commented 2026-09-29 13:07:24 +00:00
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Perf-test recheck at 15:07:12 CEST: the load gate passed at 0.72 / 1.50 / 1.99, but ps shows the #424 perf:modes --runs 1 pilot has restarted with /root/modes-424/target/release/calternal-server and headless Chrome active. Both #409 services remain stopped and no WebDAV request ran. I will wait for the pilot to release the VM and recheck before starting.

Perf-test recheck at 15:07:12 CEST: the load gate passed at 0.72 / 1.50 / 1.99, but `ps` shows the #424 `perf:modes --runs 1` pilot has restarted with `/root/modes-424/target/release/calternal-server` and headless Chrome active. Both #409 services remain stopped and no WebDAV request ran. I will wait for the pilot to release the VM and recheck before starting.
kayg commented 2026-09-29 13:09:18 +00:00
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Perf-test recheck at 15:09:09 CEST: load averages were 4.89 / 2.48 / 2.27. The #424 release server remains active on loopback port 7985 with its pilot process; top processes include vips and python. Both #409 units are stopped; no WebDAV sample ran. I will wait for the pilot to release the VM.

Perf-test recheck at 15:09:09 CEST: load averages were 4.89 / 2.48 / 2.27. The #424 release server remains active on loopback port 7985 with its pilot process; top processes include `vips` and `python`. Both #409 units are stopped; no WebDAV sample ran. I will wait for the pilot to release the VM.
kayg commented 2026-09-29 13:10:17 +00:00
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Perf-test recheck at 15:10:09 CEST: uptime reported 6.32 / 3.31 / 2.57. The #424 modes pilot's release server remains on loopback port 7985 with headless Chrome; both #409 services remain inactive. No WebDAV request ran.

Perf-test recheck at 15:10:09 CEST: `uptime` reported 6.32 / 3.31 / 2.57. The #424 modes pilot's release server remains on loopback port 7985 with headless Chrome; both #409 services remain inactive. No WebDAV request ran.
kayg commented 2026-09-29 13:11:24 +00:00
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Perf-test recheck at 15:11:09 CEST: load averages were 7.41 / 4.17 / 2.91, with 779 MiB free and 5.0 GiB available RAM. The #424 server on loopback port 7985 remains active alongside its pilot; the #409 units remain inactive. No WebDAV request ran.

Perf-test recheck at 15:11:09 CEST: load averages were 7.41 / 4.17 / 2.91, with 779 MiB free and 5.0 GiB available RAM. The #424 server on loopback port 7985 remains active alongside its pilot; the #409 units remain inactive. No WebDAV request ran.
kayg commented 2026-09-29 13:12:29 +00:00
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Perf-test recheck at 15:12:19 CEST: load was 8.75 / 5.14 / 3.33. The #424 server on loopback port 7985 and headless Chrome remain active; memory reports 550 MiB free, 4.9 GiB available, no swap. Both #409 services remain inactive and no WebDAV request ran.

Perf-test recheck at 15:12:19 CEST: load was 8.75 / 5.14 / 3.33. The #424 server on loopback port 7985 and headless Chrome remain active; memory reports 550 MiB free, 4.9 GiB available, no swap. Both #409 services remain inactive and no WebDAV request ran.
kayg commented 2026-09-29 13:15:41 +00:00
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Perf-test recheck at 15:15:31 CEST: load averages were 8.68 / 6.65 / 4.26, with 5.0 GiB available RAM. The #424 pilot server on loopback port 7985 has been active for about eight minutes with headless Chrome. Both #409 services remain stopped; no transfer ran.

Perf-test recheck at 15:15:31 CEST: load averages were 8.68 / 6.65 / 4.26, with 5.0 GiB available RAM. The #424 pilot server on loopback port 7985 has been active for about eight minutes with headless Chrome. Both #409 services remain stopped; no transfer ran.
kayg commented 2026-09-29 13:17:28 +00:00
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Perf-test recheck at 15:17:20 CEST: load averages were 9.02 / 7.23 / 4.73, with 6.5 GiB available RAM. The #424 pilot server remains on loopback port 7985 with headless Chrome. Both #409 services are inactive and no matrix request ran.

Perf-test recheck at 15:17:20 CEST: load averages were 9.02 / 7.23 / 4.73, with 6.5 GiB available RAM. The #424 pilot server remains on loopback port 7985 with headless Chrome. Both #409 services are inactive and no matrix request ran.
kayg commented 2026-09-29 13:20:47 +00:00
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Perf-test recheck at 15:20:38 CEST: load averages were 3.85 / 5.72 / 4.64. The #424 server remains active on loopback port 7985; a docling process was at 241% CPU / 31.3% RAM. Both #409 units remain inactive, and no matrix request ran.

Perf-test recheck at 15:20:38 CEST: load averages were 3.85 / 5.72 / 4.64. The #424 server remains active on loopback port 7985; a `docling` process was at 241% CPU / 31.3% RAM. Both #409 units remain inactive, and no matrix request ran.
kayg commented 2026-09-29 13:22:25 +00:00
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Perf-test recheck at 15:22:18 CEST: load averages were 3.92 / 5.40 / 4.65. The #424 modes server remains active on loopback port 7985; docling was at 46% CPU. Both #409 units remain stopped and no WebDAV sample ran.

Perf-test recheck at 15:22:18 CEST: load averages were 3.92 / 5.40 / 4.65. The #424 modes server remains active on loopback port 7985; `docling` was at 46% CPU. Both #409 units remain stopped and no WebDAV sample ran.
kayg commented 2026-09-29 13:24:00 +00:00
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Perf-test recheck at 15:23:51 CEST: load averages were 2.95 / 4.75 / 4.49, with 6.4 GiB available. The #424 server remains active on loopback port 7985 after nearly 17 minutes. Both #409 units are stopped and no transfer ran.

Perf-test recheck at 15:23:51 CEST: load averages were 2.95 / 4.75 / 4.49, with 6.4 GiB available. The #424 server remains active on loopback port 7985 after nearly 17 minutes. Both #409 units are stopped and no transfer ran.
kayg commented 2026-09-29 13:26:47 +00:00
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Resumed check at 15:26 CEST: perf-test load is 2.02 / 3.63 / 4.10 and the #424 pilot server remains active on loopback port 7985. Both #409 service units are stopped; I sent no sample. I recorded the check in docs/perf/webdav-2026-09-29.md and committed it as b5f06901. I will keep the measurement gate closed until the other server exits and a fresh one-minute load check is below 1.

Resumed check at 15:26 CEST: `perf-test` load is 2.02 / 3.63 / 4.10 and the #424 pilot server remains active on loopback port 7985. Both #409 service units are stopped; I sent no sample. I recorded the check in `docs/perf/webdav-2026-09-29.md` and committed it as `b5f06901`. I will keep the measurement gate closed until the other server exits and a fresh one-minute load check is below 1.
kayg commented 2026-09-29 13:40:14 +00:00
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Finding during resumed measurement: both 10.69.69.63:8080 (Calternal) and :8081 (baseline) timed out from the build host. The client socket remained SYN-SENT for 147 seconds and no HTTP request reached either service. Inspection showed the NetBird input ACL allowed the build host only to SSH ports; the running services themselves were healthy. I stopped the attempt and excluded it from measurements. I am adding a temporary, source-restricted runtime ACL exception for only the build-host and Mac peers to ports 8080/8081, then I will verify connectivity and remove the rules during teardown.

Finding during resumed measurement: both `10.69.69.63:8080` (Calternal) and `:8081` (baseline) timed out from the build host. The client socket remained `SYN-SENT` for 147 seconds and no HTTP request reached either service. Inspection showed the NetBird input ACL allowed the build host only to SSH ports; the running services themselves were healthy. I stopped the attempt and excluded it from measurements. I am adding a temporary, source-restricted runtime ACL exception for only the build-host and Mac peers to ports 8080/8081, then I will verify connectivity and remove the rules during teardown.
kayg commented 2026-09-29 13:49:14 +00:00
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The Mac Rclone 200-file case now has 3 interleaved Calternal/baseline repeats per direction (16 transfers; 1,673,945 bytes; VM load <1 before every run). Median results: upload Calternal 18.236 s / 10.967 files/s, baseline 8.447 s / 23.677 files/s; download Calternal 5.324 s / 37.566 files/s, baseline 3.121 s / 64.082 files/s. These are throughput references only: the local Rclone baseline does not fsync each file or stage and rename it. I am continuing with Finder and the larger cases; raw per-run JSON is being saved under target/tmp before it is copied into docs/perf/.

The Mac Rclone 200-file case now has 3 interleaved Calternal/baseline repeats per direction (16 transfers; 1,673,945 bytes; VM load <1 before every run). Median results: upload Calternal 18.236 s / 10.967 files/s, baseline 8.447 s / 23.677 files/s; download Calternal 5.324 s / 37.566 files/s, baseline 3.121 s / 64.082 files/s. These are throughput references only: the local Rclone baseline does not fsync each file or stage and rename it. I am continuing with Finder and the larger cases; raw per-run JSON is being saved under `target/tmp` before it is copied into `docs/perf/`.
kayg commented 2026-09-29 13:56:07 +00:00
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Mac native mount finding: mount_webdav -S -i mounted the Calternal volume read-only. The baseline volume mounted without a read-only flag, but ls on its root also returned Operation not permitted. Timed ditto attempts failed on Calternal upload (57.363 s), baseline upload (0.584 s), and baseline download (0.301 s), all with the same error. I excluded these as samples, verified both mounts were unmounted, and recorded the diagnostics in docs/perf/. The session has no cua-driver tool for the Finder UI alternative.

Mac native mount finding: `mount_webdav -S -i` mounted the Calternal volume read-only. The baseline volume mounted without a read-only flag, but `ls` on its root also returned `Operation not permitted`. Timed `ditto` attempts failed on Calternal upload (57.363 s), baseline upload (0.584 s), and baseline download (0.301 s), all with the same error. I excluded these as samples, verified both mounts were unmounted, and recorded the diagnostics in `docs/perf/`. The session has no cua-driver tool for the Finder UI alternative.
kayg commented 2026-09-29 14:21:48 +00:00
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Mac Rclone 2,000-file results are complete: 3 interleaved repeats in both directions, 16 transfers, 17,336,616 bytes, with VM load <1 before each run. Median Calternal/baseline rates: upload 10.042 / 26.353 files/s (199.159 / 75.892 s); download 47.608 / 81.865 files/s (42.010 / 24.431 s). These are throughput references; the baseline skips Calternal's per-file fsync and staged rename. Per-run JSON, including the VM gate and Mac load, is committed in docs/perf/raw/webdav-2026-09-29-mac-rclone-small-2000.jsonl.

Mac Rclone 2,000-file results are complete: 3 interleaved repeats in both directions, 16 transfers, 17,336,616 bytes, with VM load <1 before each run. Median Calternal/baseline rates: upload 10.042 / 26.353 files/s (199.159 / 75.892 s); download 47.608 / 81.865 files/s (42.010 / 24.431 s). These are throughput references; the baseline skips Calternal's per-file fsync and staged rename. Per-run JSON, including the VM gate and Mac load, is committed in `docs/perf/raw/webdav-2026-09-29-mac-rclone-small-2000.jsonl`.
kayg commented 2026-09-29 14:25:48 +00:00
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Completed the 2,000-entry Depth: 1 PROPFIND case from the Mac with 3 interleaved repeats per server. All six responses were 207 with 2,000 child entries (2,001 response elements including the collection). Median Calternal time was 1.328149 s (1,139,358 response bytes); baseline was 1.358522 s (1,301,032 bytes). Raw runs and pre-run VM gates are in docs/perf/raw/webdav-2026-09-29-propfind-depth1-2000.jsonl.

Completed the 2,000-entry Depth: 1 PROPFIND case from the Mac with 3 interleaved repeats per server. All six responses were 207 with 2,000 child entries (2,001 response elements including the collection). Median Calternal time was 1.328149 s (1,139,358 response bytes); baseline was 1.358522 s (1,301,032 bytes). Raw runs and pre-run VM gates are in `docs/perf/raw/webdav-2026-09-29-propfind-depth1-2000.jsonl`.
kayg commented 2026-09-29 14:47:19 +00:00
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Resumed large-file checkpoint (Mac Rclone 1.75.1, one sample per endpoint, not a median):

  • 1 GB upload: Calternal 112.867 s; Rclone baseline 74.390 s.
  • 1 GB download: Calternal 24.848 s; Rclone baseline 23.049 s.
  • Interrupted 1 GB GET resumed with HTTP 206 and exact requested Content-Range on both endpoints. Calternal took 71.635 s from a 147,849,216-byte partial; baseline took 58.217 s from a 134,217,728-byte partial. Both files reached exactly 1,000,000,000 bytes.
  • First 5 GB upload: Calternal 458.750 s. The pre-run VM 1-minute load was 0.85. Post-run checks reached 1.94, so I have deferred the next sample until the VM falls below the gate.

The 1 GB service-cgroup profile averaged 16.503% of one core for Calternal upload (RSS 722,212–722,428 KiB), and 24.877% for baseline upload (90,836–98,644 KiB). The 5 GB Calternal upload averaged 20.722% (RSS 756,444–756,504 KiB). Raw timed samples and CPU/RSS summaries will be committed under docs/perf/ after the remaining gated runs.

Resumed large-file checkpoint (Mac Rclone 1.75.1, one sample per endpoint, not a median): - 1 GB upload: Calternal 112.867 s; Rclone baseline 74.390 s. - 1 GB download: Calternal 24.848 s; Rclone baseline 23.049 s. - Interrupted 1 GB GET resumed with HTTP 206 and exact requested Content-Range on both endpoints. Calternal took 71.635 s from a 147,849,216-byte partial; baseline took 58.217 s from a 134,217,728-byte partial. Both files reached exactly 1,000,000,000 bytes. - First 5 GB upload: Calternal 458.750 s. The pre-run VM 1-minute load was 0.85. Post-run checks reached 1.94, so I have deferred the next sample until the VM falls below the gate. The 1 GB service-cgroup profile averaged 16.503% of one core for Calternal upload (RSS 722,212–722,428 KiB), and 24.877% for baseline upload (90,836–98,644 KiB). The 5 GB Calternal upload averaged 20.722% (RSS 756,444–756,504 KiB). Raw timed samples and CPU/RSS summaries will be committed under docs/perf/ after the remaining gated runs.
kayg commented 2026-09-29 15:11:32 +00:00
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Finder read-only mount (from #409): on the macOS VM, Finder/mount_webdav mounted the calternal WebDAV share read-only, while the rclone baseline mounted read-write. macOS mounts WebDAV read-write only when OPTIONS advertises DAV: 1, 2 (class 2 = LOCK/UNLOCK) and LOCK works. Verify our OPTIONS DAV header and LOCK/UNLOCK on /dav/files, and fix it so Finder mounts read-write (litmus 'locks' suite passing). Then prove it on the Mac: mount, create, rename and delete files from Finder. Separately, the 'Operation not permitted' errors on both servers came from macOS privacy (TCC network-volume access for the ssh or cua session), not from the servers. Grant access through System Settings via cua-driver (the admin login is in ~/calternal-private/macos-vm/credentials.env) so Finder copies can be timed. Owner: break-dav (#457).

**Finder read-only mount (from #409):** on the macOS VM, Finder/mount_webdav mounted the calternal WebDAV share **read-only**, while the rclone baseline mounted read-write. macOS mounts WebDAV read-write only when OPTIONS advertises `DAV: 1, 2` (class 2 = LOCK/UNLOCK) and LOCK works. Verify our OPTIONS `DAV` header and LOCK/UNLOCK on /dav/files, and fix it so Finder mounts read-write (litmus 'locks' suite passing). Then prove it on the Mac: mount, create, rename and delete files from Finder. Separately, the 'Operation not permitted' errors on both servers came from macOS privacy (TCC network-volume access for the ssh or cua session), not from the servers. Grant access through System Settings via cua-driver (the admin login is in ~/calternal-private/macos-vm/credentials.env) so Finder copies can be timed. Owner: break-dav (#457).
kayg commented 2026-09-29 15:51:27 +00:00
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#409 measurement report — completed with recorded gaps

Branch: job/webdav-perf
Head: af923d5915345e5fbb01fe2dd63f979cbaca7188
Dev merge: a26580c7ae724916075c038b69f72aa87cd1f3b8 (local dev merged once)

Results

  • Mac Rclone v1.75.1: 200-file and 2,000-file upload/download matrices completed with three interleaved repeats per cell. The 2,000-entry depth-1 PROPFIND matrix completed with three repeats per server.
  • Mac 1 GB transfer matrix completed with three repeats per server/direction. Median upload: Calternal 105.321 s, baseline 74.390 s. Median download: Calternal 24.848 s, baseline 26.419 s.
  • Mac 5 GB upload/download completed with one repeat per server/direction. Upload: Calternal 458.750 s, baseline 290.696 s. Download: Calternal 114.359 s, baseline 101.015 s. These are first repeats, not medians.
  • Interrupted 1 GB GET resumed on both servers with HTTP 206, exact Content-Range offsets and 1,000,000,000 final bytes. Calternal took 71.635 s from 147,849,216 bytes; baseline took 58.217 s from 134,217,728 bytes.
  • The baseline Rclone WebDAV handler writes directly to the final path and closes it without per-file fsync or staged rename. Calternal’s durable path fsyncs the file, renames in the same directory and fsyncs the parent before success. The 30 KB Calternal PUT profile measured atomic_write_and_fsync at 131.618 ms. The raw report includes service CPU/RSS profiles and all VM load gates.
  • Finder ditto attempts failed because macOS returned Operation not permitted on both WebDAV mounts. Rclone results are complete; no Finder timing is available.

Files

  • docs/perf/webdav-2026-09-29.md
  • docs/perf/raw/webdav-2026-09-29-mac-rclone-large-files.jsonl
  • Existing committed small-file, PROPFIND and Finder-attempt sidecars under docs/perf/raw/.

Gate output

cargo fmt --check: exit 0, no output.

cargo clippy --workspace --all-targets -- -D warnings and cargo test --workspace were each started once and interrupted with exit 130 at the job time limit. The last Clippy output was:

    Checking base64 v0.22.1
    Checking icu_normalizer_data v2.3.0
    Checking icu_properties_data v2.3.0
    Checking http v1.5.0
    Checking getrandom v0.3.4
    Checking icu_normalizer v2.3.0
    Checking icu_properties v2.3.0
    Checking form_urlencoded v1.2.2
    Checking atomic-waker v1.1.2
    Checking tokio-util v0.7.19
    Checking idna_adapter v1.2.2
    Checking arrayvec v0.7.8

The last workspace test output was:

   Compiling quick-error v1.2.3
   Compiling bit-set v0.8.0
   Compiling sqlx-core v0.9.0
   Compiling mio v1.2.3
   Compiling tracing v0.1.44
   Compiling rustls v0.23.45
   Compiling sqlx-sqlite v0.9.0
   Compiling tokio v1.53.1
   Compiling tungstenite v0.29.0
   Compiling axum-core v0.5.6

apps/web bun run check:

Text sizes use shared role tokens.
Loading Svelte-check in workspace: /home/kayg/Developer/calternal-wt/webdav-perf/apps/web
Getting Svelte diagnostics...

svelte-check found 0 errors and 0 warnings

apps/web bun run test:

 Test Files  126 passed (126)
      Tests  801 passed (801)
   Start at  17:15:48
   Duration  224.59s (transform 53%, environment 20%, import 12%, tests 11%, setup 4%)

cargo clean exited 0: Removed 7740 files, 3.7GiB total.

Gaps and decisions

  • 5 GB has one repeat per cell; two more repeats are needed for medians. The 5 GB interrupted-resume case, upload interruption, build-host matrix and Finder timing are incomplete. Calternal’s file route rejects PUT Content-Range with 501 and has no PATCH, so this run measured GET/Range resume only.
  • I used deterministic 1–16 KiB files and sparse zero-filled large files for repeatability and VM disk capacity. I treated resume as a ranged GET with 206 and an exact Content-Range offset.
  • The one API-only adversarial round was time-boxed at 15 minutes and interrupted during DAV Apple probes. It reported a 502 for a 3 MiB Appearance PUT through the editor proxy; health checks were 200 afterward and the server stayed alive. I filed follow-up issue #464. SLOW findings were under host load.
  • Perf services are stopped, the temporary ACL rule is removed, and remote/local fixtures, Mac cache credentials and web build output are cleaned. No push, deploy or merge was made.
#409 measurement report — completed with recorded gaps **Branch:** `job/webdav-perf` **Head:** `af923d5915345e5fbb01fe2dd63f979cbaca7188` **Dev merge:** `a26580c7ae724916075c038b69f72aa87cd1f3b8` (local dev merged once) ## Results - Mac Rclone v1.75.1: 200-file and 2,000-file upload/download matrices completed with three interleaved repeats per cell. The 2,000-entry depth-1 PROPFIND matrix completed with three repeats per server. - Mac 1 GB transfer matrix completed with three repeats per server/direction. Median upload: Calternal 105.321 s, baseline 74.390 s. Median download: Calternal 24.848 s, baseline 26.419 s. - Mac 5 GB upload/download completed with one repeat per server/direction. Upload: Calternal 458.750 s, baseline 290.696 s. Download: Calternal 114.359 s, baseline 101.015 s. These are first repeats, not medians. - Interrupted 1 GB GET resumed on both servers with HTTP 206, exact Content-Range offsets and 1,000,000,000 final bytes. Calternal took 71.635 s from 147,849,216 bytes; baseline took 58.217 s from 134,217,728 bytes. - The baseline Rclone WebDAV handler writes directly to the final path and closes it without per-file fsync or staged rename. Calternal’s durable path fsyncs the file, renames in the same directory and fsyncs the parent before success. The 30 KB Calternal PUT profile measured `atomic_write_and_fsync` at 131.618 ms. The raw report includes service CPU/RSS profiles and all VM load gates. - Finder `ditto` attempts failed because macOS returned `Operation not permitted` on both WebDAV mounts. Rclone results are complete; no Finder timing is available. ## Files - `docs/perf/webdav-2026-09-29.md` - `docs/perf/raw/webdav-2026-09-29-mac-rclone-large-files.jsonl` - Existing committed small-file, PROPFIND and Finder-attempt sidecars under `docs/perf/raw/`. ## Gate output `cargo fmt --check`: exit 0, no output. `cargo clippy --workspace --all-targets -- -D warnings` and `cargo test --workspace` were each started once and interrupted with exit 130 at the job time limit. The last Clippy output was: ```text Checking base64 v0.22.1 Checking icu_normalizer_data v2.3.0 Checking icu_properties_data v2.3.0 Checking http v1.5.0 Checking getrandom v0.3.4 Checking icu_normalizer v2.3.0 Checking icu_properties v2.3.0 Checking form_urlencoded v1.2.2 Checking atomic-waker v1.1.2 Checking tokio-util v0.7.19 Checking idna_adapter v1.2.2 Checking arrayvec v0.7.8 ``` The last workspace test output was: ```text Compiling quick-error v1.2.3 Compiling bit-set v0.8.0 Compiling sqlx-core v0.9.0 Compiling mio v1.2.3 Compiling tracing v0.1.44 Compiling rustls v0.23.45 Compiling sqlx-sqlite v0.9.0 Compiling tokio v1.53.1 Compiling tungstenite v0.29.0 Compiling axum-core v0.5.6 ``` `apps/web bun run check`: ```text Text sizes use shared role tokens. Loading Svelte-check in workspace: /home/kayg/Developer/calternal-wt/webdav-perf/apps/web Getting Svelte diagnostics... svelte-check found 0 errors and 0 warnings ``` `apps/web bun run test`: ```text Test Files 126 passed (126) Tests 801 passed (801) Start at 17:15:48 Duration 224.59s (transform 53%, environment 20%, import 12%, tests 11%, setup 4%) ``` `cargo clean` exited 0: `Removed 7740 files, 3.7GiB total`. ## Gaps and decisions - 5 GB has one repeat per cell; two more repeats are needed for medians. The 5 GB interrupted-resume case, upload interruption, build-host matrix and Finder timing are incomplete. Calternal’s file route rejects `PUT Content-Range` with 501 and has no `PATCH`, so this run measured GET/Range resume only. - I used deterministic 1–16 KiB files and sparse zero-filled large files for repeatability and VM disk capacity. I treated resume as a ranged GET with 206 and an exact Content-Range offset. - The one API-only adversarial round was time-boxed at 15 minutes and interrupted during DAV Apple probes. It reported a 502 for a 3 MiB Appearance PUT through the editor proxy; health checks were 200 afterward and the server stayed alive. I filed follow-up issue #464. SLOW findings were under host load. - Perf services are stopped, the temporary ACL rule is removed, and remote/local fixtures, Mac cache credentials and web build output are cleaned. No push, deploy or merge was made.
kayg commented 2026-10-03 12:47:48 +00:00
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Audit against origin/dev: docs/perf/webdav-2026-09-29.md still lists the 5 GB three-repeat medians, Finder write tests, and build-host cases as incomplete; the 10,000-file A/B is also not a completed comparison. The measurement issue remains open for those acceptance gaps.

Audit against origin/dev: `docs/perf/webdav-2026-09-29.md` still lists the 5 GB three-repeat medians, Finder write tests, and build-host cases as incomplete; the 10,000-file A/B is also not a completed comparison. The measurement issue remains open for those acceptance gaps.
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kayg/calternal#409
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