[Bugs] [Bug 1169317] rmtab file is a bottleneck when lot of clients are accessing a volume through NFS

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1169317



--- Comment #5 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/9223 committed in master by Niels de Vos
(ndevos at redhat.com) 
------
commit 331ef6e1a86bfc0a93f8a9dec6ad35c417873849
Author: Niels de Vos <ndevos at redhat.com>
Date:   Tue Dec 2 10:54:53 2014 +0100

    nfs: make it possible to disable nfs.mount-rmtab

    When there are many NFS-clients doing very often mount/unmount actions,
    the updating of the 'rmtab' can become a bottleneck and cause delays. In
    these situations, the output of 'showmount' may be less important than
    the responsiveness of the (un)mounting.

    By setting 'nfs.mount-rmtab' to the value "/-", the cache file is not
    updated anymore, and the entries are only kept in memory.

    BUG: 1169317
    Change-Id: I40c4d8d754932f86fb2b1b2588843390464c773d
    Reported-by: Cyril Peponnet <cyril at peponnet.fr>
    Signed-off-by: Niels de Vos <ndevos at redhat.com>
    Reviewed-on: http://review.gluster.org/9223
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: soumya k <skoduri at redhat.com>
    Reviewed-by: jiffin tony Thottan <jthottan at redhat.com>
    Reviewed-by: Kaleb KEITHLEY <kkeithle at redhat.com>

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