問題背景

Redis啟動報錯：

WARNING you have Transparent Huge Pages (THP) support enabled in your kernel.

This will create latency and memory usage issues with Redis.

To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root,

and add it to your /etc/rc.local in order to retain the setting after a reboot.

Redis must be restarted after THP is disabled

問題原因

內核啟用THP可能會導致內存使用問題

解決方案

將如下代碼追加到 /etc/rc.local 文件中：

if test -f /sys/kernel/mm/redhat_transparent_hugepage/enabled; then

echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled

fi

總結

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