[Bugs] [Bug 1272452] Data Tiering:heat counters not getting reset and also internal ops seem to be heating the files

bugzilla at redhat.com bugzilla at redhat.com
Sun Nov 8 17:09:03 UTC 2015


https://bugzilla.redhat.com/show_bug.cgi?id=1272452

Dan Lambright <dlambrig at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|POST                        |MODIFIED



--- Comment #5 from Dan Lambright <dlambrig at redhat.com> ---
Patch 61017 fixed a bug in which the heat measure was not being cleared until 3
promotion cycles elapsed, which accounts for the failure at step 10.

Tiering does a best effort to promote and demote files such that statistically
/ in aggregate, a large number of files will migrate to the hot or cold tier
based on access frequency, over time. The feature does not guarantee individual
files will be promoted or demoted based on single accesses.

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