Oracle Linux - Transparent Huge Pages (THP) and Memory Compaction Causing Processes to Get Unresponsive on UEK2 (Doc ID 1606759.1)

Last updated on AUGUST 22, 2016

Applies to:

Linux OS - Version Oracle Linux 5.8 with Unbreakable Enterprise Kernel [2.6.39] and later
Linux x86-64
Linux x86
Reviewing currency at 22th.Aug. 2016

Symptoms

The server response is seen to be slow for almost every operation. And the system load average is reported as high.

There is almost no running process that is consuming high CPU time and "%wa" under the top output is seen to be high.

And there is no memory pressure observed.

Cause

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