THP Transparent HugePages关闭

时间：2021-09-12 02:56:31

ambari 安装Hortonworks HDP 时在检测host异常

The following hosts have Transparent Huge Pages (THP) enabled。THP should be disabled to avoid potential Hadoop performance issues.

关闭Transparent HugePages的办法：

在linux下执行

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

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

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

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

　　

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