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Thanks much, I am checking<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> lavd.copylove@gmail.com <lavd.copylove@gmail.com> on behalf of Vlad Kopylov <vladkopy@gmail.com><br>
<b>Sent:</b> Thursday, March 8, 2018 10:38 PM<br>
<b>To:</b> Sherin George<br>
<b>Cc:</b> gluster-users@gluster.org<br>
<b>Subject:</b> Re: [Gluster-users] Write speed of gluster volume reduced</font>
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<div class="PlainText"><a href="http://lists.gluster.org/pipermail/gluster-users/2017-July/031788.html">http://lists.gluster.org/pipermail/gluster-users/2017-July/031788.html</a><br>
<a href="http://lists.gluster.org/pipermail/gluster-users/2017-September/032385.html">http://lists.gluster.org/pipermail/gluster-users/2017-September/032385.html</a><br>
also try disperse.eager-lock off<br>
<br>
On Tue, Mar 6, 2018 at 7:40 AM, Sherin George <allmyforums@outlook.in> wrote:<br>
> Hi Guys,<br>
><br>
> I have a gluster volume with the following configuration.<br>
> ~~~~~~~~~~~~~~~~~~~~~<br>
> Number of Bricks: 9<br>
> Transport-type: tcp<br>
><br>
> Hot Tier :<br>
> Hot Tier Type : Replicate<br>
> Number of Bricks: 1 x 3 = 3<br>
><br>
> Cold Tier:<br>
> Cold Tier Type : Distributed-Replicate<br>
> Number of Bricks: 2 x 3 = 6<br>
><br>
> performance.flush-behind: on<br>
> performance.cache-max-file-size: 128MB<br>
> performance.cache-size: 25GB<br>
><br>
> diagnostics.count-fop-hits: off<br>
> diagnostics.latency-measurement: off<br>
> cluster.tier-mode: cache<br>
> features.ctr-enabled: on<br>
> transport.address-family: inet<br>
> nfs.disable: on<br>
> performance.client-io-threads: off<br>
> ~~~~~~~~~~~~~~~~~~~~~<br>
><br>
> Without write cache, bricks in hot tier got around 1.5 GB/s write speed and<br>
> bricks in cold tier got 700 MB/s. However, I am getting only around 35 MB/s<br>
> write speed in gluster volume mounted in glusterfs.<br>
><br>
> I checked and confirmed that I can get network throughput as much as 1.4<br>
> Gbits/sec.<br>
><br>
> The volume had around 175 MB/s write speed initially, however, speed reduced<br>
> as more data stored in the volume. I also implemented a second volume with<br>
> similar configuration, and I am getting write speed around 175 MB/s again.<br>
><br>
> Could someone please advise on what could be done to improve write speed.<br>
><br>
> Is NFS Ganesha a solution to improve write speed?<br>
><br>
> Thanks in advance.<br>
> --<br>
> Kind Regards,<br>
> Sherin<br>
><br>
><br>
> _______________________________________________<br>
> Gluster-users mailing list<br>
> Gluster-users@gluster.org<br>
> <a href="http://lists.gluster.org/mailman/listinfo/gluster-users">http://lists.gluster.org/mailman/listinfo/gluster-users</a><br>
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