[Bugs] [Bug 1596020] Introduce database group profile

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1596020



--- Comment #4 from Atin Mukherjee <amukherj at redhat.com> ---
This is what Elko updated:


Environment

    Openshift Container Platform - 3.7
    Openshift Container Platform - 3.9
    Red Hat Gluster Storage-3.X

Issue

    The pgbench perf benchmark for PGSQL does not complete
    Issue with open-behind and write-behind xlators in Red Hat Gluster Storage
when gluster-file is being used for containerized DB workload.

Resolution

    Adapt performance translators per below recommendation in Red Hat Gluster
Storage / CNS

    Follow the steps below to adapt performance translators

Note : In case of Container Native Storage (CNS), below commands should be be
executed inside one CNS pod

 # gluster volume set VOLUME performance.open-behind off
 # gluster volume set VOLUME performance.write-behind off
 # gluster volume set VOLUME performance.stat-prefetch off 
 # gluster volume set VOLUME  performance.quick-read off 
 # gluster volume set VOLUME performance.strict-o-direct on 
 # gluster volume set VOLUME  performance.read-ahead off
 # gluster volume set VOLUME performance.io-cache off
 # gluster volume set VOLUME performance.readdir-ahead off

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