The negative effects of Transparent Huge Pages (THP) on RHDS

THP and RHDS

Transparent Huge Pages (THP) Linux memory management feature is enabled by default on RHEL. While it does benefit some workloads in terms of performnace gains, it has been found to be counter productive when used with RHDS and the JEMALLOC memory allocator that ships with it.

THP works best with large, contigious allocation patterns but can actually degrade the per...