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-rw-r--r--.cirrus.yml5
1 files changed, 4 insertions, 1 deletions
diff --git a/.cirrus.yml b/.cirrus.yml
index fe8da021eda..638850a0fec 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -226,7 +226,10 @@ task:
env:
CPUS: 12 # always get that much for cirrusci macOS instances
BUILD_JOBS: $CPUS
- TEST_JOBS: $CPUS # already fast enough to not be worth tuning
+ # Test performance regresses noticably when using all cores. 8 seems to
+ # work OK. See
+ # https://postgr.es/m/20220927040208.l3shfcidovpzqxfh%40awork3.anarazel.de
+ TEST_JOBS: 8
CIRRUS_WORKING_DIR: ${HOME}/pgsql/
CCACHE_DIR: ${HOME}/ccache