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tomfanning/resolve-mongodb-warnings.sh

Last active December 11, 2016 20:24
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Fix mongodb startup warnings on RHEL
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resolve-mongodb-warnings.sh
# run once
sed -i -e '/^readahead=/s/^.*$/readahead=32/' /usr/lib/tuned/throughput-performance/tuned.conf
echo "mongod soft nproc 64000" > /etc/security/limits.d/90-nproc.conf
echo '#!/bin/sh -e
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo never > /sys/kernel/mm/transparent_hugepage/enabled' > /usr/local/sbin/mongodb-prep.sh
chmod +x /usr/local/sbin/mongodb-prep.sh
echo '[Unit]
Description=mongodb prep
Before=mongod.service
[Service]
Type=simple
ExecStart=/usr/local/sbin/mongodb-prep.sh
TimeoutStartSec=0
[Install]
WantedBy=default.target' > /etc/systemd/system/mongodb-prep.service
systemctl enable mongodb-prep.service
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