[Bugs] [Bug 1335818] New: Revert "features/shard: Make o-direct writes work with sharding: http://review.gluster.org/#/c/13846/"

bugzilla at redhat.com bugzilla at redhat.com
Fri May 13 09:44:00 UTC 2016


https://bugzilla.redhat.com/show_bug.cgi?id=1335818

            Bug ID: 1335818
           Summary: Revert "features/shard: Make o-direct writes work with
                    sharding: http://review.gluster.org/#/c/13846/"
           Product: GlusterFS
           Version: mainline
         Component: sharding
          Assignee: bugs at gluster.org
          Reporter: kdhananj at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
Revert this patch for two reasons:

1) It introduces high fop latencies
2) Even with the patch, there is no true odirect behavior since the workaround
in the patch doesn't reduce the caching done in kernel's page cache etc.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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