[Bugs] [Bug 1140844] Read/write speed on a dispersed volume is poor

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1140844



--- Comment #2 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/8746 committed in release-3.6 by Vijay Bellur
(vbellur at redhat.com) 
------
commit b224dd14b75fb993eec4f44ecf11edce8a6fc42f
Author: Xavier Hernandez <xhernandez at datalab.es>
Date:   Mon Jul 14 17:34:04 2014 +0200

    ec: Optimize read/write performance

    This patch significantly improves performance of read/write
    operations on a dispersed volume by reusing previous inodelk/
    entrylk operations on the same inode/entry. This reduces the
    latency of each individual operation considerably.

    Inode version and size are also updated when needed instead
    of on each request. This gives an additional boost.

    This is a backport of http://review.gluster.org/8369/

    Change-Id: I4b98d5508c86b53032e16e295f72a3f83fd8fcac
    BUG: 1140844
    Signed-off-by: Xavier Hernandez <xhernandez at datalab.es>
    Reviewed-on: http://review.gluster.org/8746
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Jeff Darcy <jdarcy at redhat.com>
    Reviewed-by: Dan Lambright <dlambrig at redhat.com>

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