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Add a warning for non-AVX (amd64) systems #491

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Aug 3, 2021
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Add a warning for non-AVX (amd64) systems #491

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11 changes: 11 additions & 0 deletions 4.0/docker-entrypoint.sh
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11 changes: 11 additions & 0 deletions 4.4-rc/docker-entrypoint.sh
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11 changes: 11 additions & 0 deletions docker-entrypoint.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,17 @@ if [[ "$originalArgOne" == mongo* ]] && [ "$(id -u)" = '0' ]; then
exec gosu mongodb "$BASH_SOURCE" "$@"
fi

if dpkgArch="$(dpkg --print-architecture)" && [ "$dpkgArch" = 'amd64' ] && ! grep -qE '^flags.* avx( .*|$)' /proc/cpuinfo; then
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# https://github.com/docker-library/mongo/issues/485#issuecomment-891991814
{
echo
echo 'WARNING: MongoDB 5.0+ requires a CPU with AVX support, and your current system does not appear to have that!'
echo ' see https://www.mongodb.com/community/forums/t/mongodb-5-0-cpu-intel-g4650-compatibility/116610/2'
echo ' see also https://github.com/docker-library/mongo/issues/485#issuecomment-891991814'
echo
} >&2
fi

# you should use numactl to start your mongod instances, including the config servers, mongos instances, and any clients.
# https://docs.mongodb.com/manual/administration/production-notes/#configuring-numa-on-linux
if [[ "$originalArgOne" == mongo* ]]; then
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