Ambari集群安装部署问题

  • THP可能对hadoop有潜在的性能影响：
The following hosts have Transparent Huge Pages (THP) enabled. THP should be disabled to avoid potential Hadoop performance issues.
解决办法：
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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原文地址：https://www.cnblogs.com/wang--lei/p/8047006.html