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pingcap / tidb-ansible

Apache License 2.0
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Disable THP when bootstrap #1078

Closed zhouqiang-cl closed 4 years ago

zhouqiang-cl commented 4 years ago

There are many customers enable THP and cause many problem. we should disable it refer: https://www.percona.com/blog/2019/03/06/settling-the-myth-of-transparent-hugepages-for-databases/

ethercflow commented 4 years ago

Hi @liubo0127 please make sure THP is disable or always disable by:

echo never > /sys/kernel/mm/transparent_hugepage/enable
echo never > /sys/kernel/mm/transparent_hugepage/defrag

before deploy, no reboot need