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bazel_3: use less resources when building Bazel (#95214)

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Limit the resources Bazel is allowed to use during the build to 1/2 the
available RAM and 3/4 the available CPU cores. This should help avoid
overwhelming the build machine.
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Wael Nasreddine 2020-08-12 10:47:01 -07:00 committed by GitHub
parent 4fc4fe539b
commit 866eedcb69
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1 changed files with 6 additions and 0 deletions
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6
pkgs/development/tools/build-managers/bazel/bazel_3/default.nix
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@ -419,6 +419,12 @@ stdenv.mkDerivation rec {
# add nix environment vars to .bazelrc # add nix environment vars to .bazelrc
cat >> .bazelrc <<EOF cat >> .bazelrc <<EOF
# Limit the resources Bazel is allowed to use during the build to 1/2 the
# available RAM and 3/4 the available CPU cores. This should help avoid
# overwhelming the build machine.
build --local_ram_resources=HOST_RAM*.5
build --local_cpu_resources=HOST_CPUS*.75
build --distdir=${distDir} build --distdir=${distDir}
fetch --distdir=${distDir} fetch --distdir=${distDir}
build --copt="$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt="/g')" build --copt="$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt="/g')"