[Bugs] [Bug 1202212] New: Performance enhancement for RDMA

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1202212

            Bug ID: 1202212
           Summary: Performance enhancement for RDMA
           Product: GlusterFS
           Version: 3.6.0
         Component: rdma
          Keywords: Triaged
          Severity: medium
          Priority: high
          Assignee: bugs at gluster.org
          Reporter: rkavunga at redhat.com
                CC: aavati at redhat.com, bugs at gluster.org,
                    gluster-bugs at redhat.com, hchiramm at redhat.com,
                    nlevinki at redhat.com, rwheeler at redhat.com,
                    storage-qa-internal at redhat.com, vagarwal at redhat.com
        Depends On: 1186127, 1187456



+++ This bug was initially created as a clone of Bug #1187456 +++

+++ This bug was initially created as a clone of Bug #1186127 +++

Description of problem:


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


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

--- Additional comment from Anand Avati on 2015-01-30 00:12:39 EST ---

REVIEW: http://review.gluster.org/9506 (rdma: pre-register iobuf_pool with rdma
devices.) posted (#1) for review on master by mohammed rafi  kc
(rkavunga at redhat.com)

--- Additional comment from Anand Avati on 2015-02-17 09:50:59 EST ---

REVIEW: http://review.gluster.org/9506 (rdma: pre-register iobuf_pool with rdma
devices.) posted (#2) for review on master by Raghavendra G
(rgowdapp at redhat.com)

--- Additional comment from Anand Avati on 2015-02-17 10:57:52 EST ---

REVIEW: http://review.gluster.org/9506 (rdma: pre-register iobuf_pool with rdma
devices.) posted (#3) for review on master by Raghavendra G
(rgowdapp at redhat.com)

--- Additional comment from Anand Avati on 2015-02-17 23:10:03 EST ---

COMMIT: http://review.gluster.org/9506 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit abcb2017b07b0706aef0d9eeb729115ca605ad6d
Author: Mohammed Rafi KC <rkavunga at redhat.com>
Date:   Tue Feb 17 20:17:58 2015 +0530

    rdma: pre-register iobuf_pool with rdma devices.

    registring buffers with rdma device is a time consuming
    operation. So performing registration in code path will
    decrease the performance.
    Using a pre registered memory will give a bettor performance,
    ie, register iobuf_pool during rdma initialization. For
    dynamically created arena, we can register with all the
    device.

    Change-Id: Ic79183e2efd014c43faf5911fdb6d5cfbcee64ca
    BUG: 1187456
    Signed-off-by: Mohammed Rafi KC <rkavunga at redhat.com>
    Reviewed-on: http://review.gluster.org/9506
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>
    Tested-by: Raghavendra G <rgowdapp at redhat.com>

--- Additional comment from Anand Avati on 2015-02-19 06:47:49 EST ---

REVIEW: http://review.gluster.org/9697 (rdma: Free resources related to iobuf
in fini) posted (#3) for review on master by mohammed rafi  kc
(rkavunga at redhat.com)

--- Additional comment from Anand Avati on 2015-02-19 08:55:33 EST ---

REVIEW: http://review.gluster.org/9697 (rdma: Free resources related to iobuf
in fini) posted (#4) for review on master by mohammed rafi  kc
(rkavunga at redhat.com)

--- Additional comment from Anand Avati on 2015-03-10 22:28:40 EDT ---

COMMIT: http://review.gluster.org/9697 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit 219512c5014e9a13081d6a9981ae02b54586d801
Author: Mohammed Rafi KC <rkavunga at redhat.com>
Date:   Thu Feb 19 15:52:28 2015 +0530

    rdma: Free resources related to iobuf in fini

    If rdma transport is destroyed because of any reason,
    then rdma.so will be unloaded. But we are not setting
    iobuf registeration function to null. After this, if
    an iobuf request is came, then we will try to call a
    function which is not loaded.

    Change-Id: I3293f9974e16d8e865131785ee697ea02be8cdfc
    BUG: 1187456
    Signed-off-by: Mohammed Rafi KC <rkavunga at redhat.com>
    Reviewed-on: http://review.gluster.org/9697
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra Talur <rtalur at redhat.com>
    Reviewed-by: Vijay Bellur <vbellur at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1186127
[Bug 1186127] Performance enhancement for RDMA
https://bugzilla.redhat.com/show_bug.cgi?id=1187456
[Bug 1187456] Performance enhancement for RDMA
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