[Bugs] [Bug 1257911] New: add policy mechanism for promotion and demotion

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1257911

            Bug ID: 1257911
           Summary: add policy mechanism for promotion and demotion
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: dlambrig at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Current mechanism for driving promotion/demotion is too rigorous. Fils are
demoted automatically and the hot tier will be underutilized. Need a more
flexible system that can be tuned according to customers needs according to
various parameters. Need to gracefully handle situations where the hot tier
becomes full.

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