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The slope was computed over the last 30m, which is the whole default run, so the start-up ramp-up of RSS looked like a leak. - analyze_stats.py: use the data after the 10m warm-up (at least the last 10m), based on the real run length from STRESS_START_EPOCH. The counter-reset check uses the real run length too. Master RSS limit is 15 KB/sec (was 10): RSS oscillates by a few hundred MB every ~6 minutes, so the fit keeps some noise. - workflow: record STRESS_START_EPOCH; shortest duration is now 20m (10m warm-up + 10m of data) - changelog entry
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dwoz
approved these changes
Nov 4, 2026
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What does this PR do?
The nightly stress test failed on the Master RSS slope (244 KB/sec, limit 10 KB/sec).
analyze_stats.pyfitted the last 30m, which is the whole default run, so the start-up ramp-up of RSS was counted as a leak.STRESS_START_EPOCH. The warm-up can be changed withSTRESS_WARMUP_SECONDS.durationoption is now20m(10m warm-up + 10m of data); it was10m.check_salt_prometheus_metricsnow uses the real run length instead of a fixed 30m.What issues does this PR fix or reference?
Fixes #70677
Notes
master.analyze_stats.pyandnightly-stress-test.ymlare identical onmasterand3008.x, so the same code applies here. I have not run this branch itself.Merge requirements satisfied?
CI only: no docs or tests.
Commits signed with GPG?
No