builders: limit cpu pressure to make dynamic scheduler more effective
Down from 75%, which overcommits the host too much. Interation on the host becomes sluggish and that certainly also affects latency sensitive builds/tests.
Martin Weinelt committed
Jul 9, 2026 at 01:08 UTC
910f962e7be59b7e098d11b4c360533a1164e1ae
1 file changed
+2
builders/common/hydra-queue-builder.nix
+2
@@ -24,5 +24,7 @@
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useSubstitutes = true;
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# Align this with what our GC settings
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storeAvailThreshold = 5.0;
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+ # Tolerate only minimal contention before we stop scheduling new jobs
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+ cpuPsiThreshold = 15.0;
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};
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}