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-rwxr-xr-xtools/run_tests/artifacts/build_artifact_python.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/run_tests/artifacts/build_artifact_python.sh b/tools/run_tests/artifacts/build_artifact_python.sh
index 2878005bb2..9a2e0f739f 100755
--- a/tools/run_tests/artifacts/build_artifact_python.sh
+++ b/tools/run_tests/artifacts/build_artifact_python.sh
@@ -22,6 +22,10 @@ export PYTHON=${PYTHON:-python}
export PIP=${PIP:-pip}
export AUDITWHEEL=${AUDITWHEEL:-auditwheel}
+# Allow build_ext to build C/C++ files in parallel
+# by enabling a monkeypatch. It speeds up the build a lot.
+export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS=2
+
mkdir -p "${ARTIFACTS_OUT}"
ARTIFACT_DIR="$PWD/${ARTIFACTS_OUT}"