[Gluster-users] [Gluster-devel] 3.7.8 client is slow
david.robinson at corvidtec.com
Mon Feb 22 19:10:35 UTC 2016
------ Original Message ------
From: "Oleksandr Natalenko" <oleksandr at natalenko.name>
To: gluster-users at gluster.org; "David Robinson"
<drobinson at corvidtec.com>
Cc: "Gluster Devel" <gluster-devel at gluster.org>
Sent: 2/22/2016 1:12:01 PM
Subject: Re: [Gluster-devel] 3.7.8 client is slow
>could you please cross-post your observations to the following
>It seems you have faced similar issue.
>On понеділок, 22 лютого 2016 р. 16:46:01 EET David Robinson wrote:
>> The 3.7.8 FUSE client is significantly slower than 3.7.6. Is this
>> related to some of the fixes that were done to correct memory leaks?
>> there anything that I can do to recover the performance of 3.7.6?
>> My testing involved creating a "bigfile" that is 20GB. I then
>> the 3.6.6 FUSE client and tested the copy of the bigfile from one
>> gluster machine to another. The test was repeated 2x to make sure
>> wasn't affect performance.
>> Using Centos7.1
>> FUSE 3.6.6 took 47-seconds and 38-seconds.
>> FUSE 3.7.6 took 43-seconds and 34-seconds.
>> FUSE 3.7.8 took 205-seconds and 224-seconds
>> I repeated the test on another machine that is running centos 6.7 and
>> the results were even worse. 98-seconds for FUSE 3.6.6 versus
>> 575-seconds for FUSE 3.7.8.
>> My server setup is:
>> Volume Name: gfsbackup
>> Type: Distribute
>> Volume ID: 29b8fae9-dfbf-4fa4-9837-8059a310669a
>> Status: Started
>> Number of Bricks: 2
>> Transport-type: tcp
>> Brick1: ffib01bkp:/data/brick01/gfsbackup
>> Brick2: ffib01bkp:/data/brick02/gfsbackup
>> Options Reconfigured:
>> performance.readdir-ahead: on
>> cluster.rebal-throttle: aggressive
>> diagnostics.client-log-level: WARNING
>> diagnostics.brick-log-level: WARNING
>> changelog.changelog: off
>> client.event-threads: 8
>> server.event-threads: 8
>> David F. Robinson, Ph.D.
>> President - Corvid Technologies
>> 145 Overhill Drive
>> Mooresville, NC 28117
>> 704.799.6944 x101 [Office]
>> 704.252.1310 [Cell]
>> 704.799.7974 [Fax]
>> david.robinson at corvidtec.com
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