Description of problem: We are not distinguishing internal vs external FOPs in tiering. So when we migrate a file, it appears an IO hit it, which breaks the caching policies.
REVIEW: http://review.gluster.org/10080 (Fix for heating of files during promotion/demotion) posted (#3) for review on master by Dan Lambright (dlambrig)
REVIEW: http://review.gluster.org/10080 (Fix for heating of files during promotion/demotion) posted (#4) for review on master by Joseph Fernandes (josferna)
REVIEW: http://review.gluster.org/10080 (Fix for heating of files during promotion/demotion) posted (#5) for review on master by Joseph Fernandes (josferna)
REVIEW: http://review.gluster.org/10080 (Fix for heating of files during promotion/demotion) posted (#6) for review on master by Joseph Fernandes (josferna)
REVIEW: http://review.gluster.org/10080 (CTR XLATOR : Fix for heating of files during promotion/demotion) posted (#7) for review on master by Joseph Fernandes (josferna)
REVIEW: http://review.gluster.org/10080 (ctr : Fix for heating of files during promotion/demotion) posted (#8) for review on master by Joseph Fernandes (josferna)
COMMIT: http://review.gluster.org/10080 committed in master by Kaleb KEITHLEY (kkeithle) ------ commit 097795df7ebab48515d75e95a2c29e5ab42ac5ee Author: Joseph Fernandes <josferna> Date: Wed Apr 1 02:56:23 2015 +0530 ctr : Fix for heating of files during promotion/demotion This fix will solve the heating of the files during the promotion or demotion. Promotion: ~~~~~~~~~ When a file gets promoted it get the current time stamp during creation only, but following writes or reads during the migration wont heat the file. Demotion: ~~~~~~~~ When a file gets demoted it get the wind/unwind time stamp is set to zero. The following writes or reads during the migration wont heat the file. What is remaining ? ~~~~~~~~~~~~~~~~~ Bug 1209129 ( https://bugzilla.redhat.com/show_bug.cgi?id=1209129 ) Inspite of this fix there is still a issue remaining, i.e the heat of the file is not keep intact during a internal rebalance activity i.e a rebalance within a tier. Change-Id: I01e82dc226355599732d40e699062cee7960b0a5 BUG: 1207867 Signed-off-by: Joseph Fernandes <josferna> Signed-off-by: Dan Lambright <dlambrig> Signed-off-by: Joseph Fernandes <josferna> Reviewed-on: http://review.gluster.org/10080 Reviewed-by: Shyamsundar Ranganathan <srangana> Tested-by: Gluster Build System <jenkins.com>
This bug is getting closed because a release has been made available that should address the reported issue. In case the problem is still not fixed with glusterfs-3.7.0, please open a new bug report. glusterfs-3.7.0 has been announced on the Gluster mailinglists [1], packages for several distributions should become available in the near future. Keep an eye on the Gluster Users mailinglist [2] and the update infrastructure for your distribution. [1] http://thread.gmane.org/gmane.comp.file-systems.gluster.devel/10939 [2] http://thread.gmane.org/gmane.comp.file-systems.gluster.user