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test: automatically lower Ginkgo parallelism when using race detection

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When race detection is enabled, merely running 25 e2e.test instances was too much
and the OOM killer shut down the Prow test pod because of the memory overhead.

A CI job could control that via GINKGO_PARALLEL_NODES, but we should also have
saner defaults which take this into account.
This commit is contained in:
Patrick Ohly 2025-09-16 15:59:52 +02:00
parent 7a62519b36
commit aefd2effc5
1 changed files with 10 additions and 1 deletions
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11
hack/ginkgo-e2e.sh
View file

@ -181,7 +181,16 @@ case "${E2E_TEST_DEBUG_TOOL:-ginkgo}" in
if [[ -n "${GINKGO_PARALLEL_NODES:-}" ]]; then
program+=("--nodes=${GINKGO_PARALLEL_NODES}")
elif [[ ${GINKGO_PARALLEL} =~ ^[yY]$ ]]; then
program+=("--nodes=25")
if [[ "${KUBE_RACE:-}" == "-race" ]]; then
# When race detection is enabled, merely running 25 e2e.test instances was too much
# and the OOM killer shut down the Prow test pod because of the memory overhead.
#
# A CI job could control that via GINKGO_PARALLEL_NODES, but we should also have
# saner defaults which take this into account.
program+=("--nodes=10")
else
program+=("--nodes=25")
fi
fi
program+=("${ginkgo_args[@]:+${ginkgo_args[@]}}")
;;