Canvas and multiplexer at the system terminal limits #120
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opened 2026-10-09 04:58:23 +00:00 by kayg
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kayg/infraternal#120
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Owner (2026-10-09): after the current round, test canvas responsiveness and performance at the system limits. Linux defaults: kernel.pty.max 4096 (hard ceiling 2^20), containers max - reserve (3072); per-process open files (monitor01 ulimit -n 1024). Plan: on the perf VM (lock via calternal), open terminals in steps (200 = D170 design point, 1,000, 4,096, then raise pty.max) across one canvas and across several devices; measure input latency p50/p99, frame times (zoom/pan/flight), server and infraternal agent CPU/RSS, browser memory, and where it first degrades. Also: infraternal agent raises LimitNOFILE and checks pty.max at start; running out of terminals shows a plain sentence.
kayg referenced this issue2026-10-28 17:53:56 +00:00