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2017 Sep 28
2
Bandwidth and latency requirements
Interesting table Karan!, Could you please tell us how you did the benchmark? fio or iozone orsimilar? thanks Arman. On Wed, Sep 27, 2017 at 1:20 PM, Karan Sandha <ksandha at redhat.com> wrote: > Hi Collin, > > During our arbiter latency testing for completion of ops we found the > below results:- an arbiter node in another data centre and both the data > bricks in the same data centre, > > 1) File-size 1 KB (10000 files ) > 2...
2017 Oct 12
0
Bandwidth and latency requirements
.../gv_fileshare dc2srv1:/gv_fileshare dc1srv2:/gv_fileshare dc2srv2:/gv_fileshare (replica 2) How do I ensure that clients in dc1 prefer dc1srv1 and dc1srv2 while clients in dc2 prefer the dc2 servers? Is it simply a matter of ordering in /etc/fstab? Thanks On Fri, Sep 29, 2017 at 2:29 PM, Karan Sandha <ksandha at redhat.com> wrote: > It was simple emulation of network packets on the port of the server node > using tc tool tc qdisc add dev <port> root netem delay <time>ms. The > files were created using dd tool (in-built in linux) and mkdir. Post the > IO's we v...
2017 Jul 29
0
Not possible to stop geo-rep after adding arbiter to replica 2
Adding Rahul and Kothresh who are SME on geo replication Thanks & Regards Karan Sandha On Sat, Jul 29, 2017 at 3:37 PM, mabi <mabi at protonmail.ch> wrote: > Hello > > To my two node replica volume I have added an arbiter node for safety > purpose. On that volume I also have geo replication running and would like > to stop it is status "Faulty" and ke...
2017 Jul 29
1
Not possible to stop geo-rep after adding arbiter to replica 2
...I would like to avoid that if possible. Any other solutions? Thanks, M. > -------- Original Message -------- > Subject: Re: [Gluster-users] Not possible to stop geo-rep after adding arbiter to replica 2 > Local Time: July 29, 2017 12:32 PM > UTC Time: July 29, 2017 10:32 AM > From: ksandha at redhat.com > To: mabi <mabi at protonmail.ch>, Rahul Hinduja <rhinduja at redhat.com>, Kotresh Hiremath Ravishankar <khiremat at redhat.com> > Gluster Users <gluster-users at gluster.org> > > Adding Rahul and Kothresh who are SME on geo replication > Thanks...
2017 Jul 29
2
Not possible to stop geo-rep after adding arbiter to replica 2
Hello To my two node replica volume I have added an arbiter node for safety purpose. On that volume I also have geo replication running and would like to stop it is status "Faulty" and keeps trying over and over to sync without success. I am using GlusterFS 3.8.11. So in order to stop geo-rep I use: gluster volume geo-replication myvolume gfs1geo.domain.tld::myvolume-geo stop but it
2017 Sep 29
0
Bandwidth and latency requirements
...& Regards On Thu, Sep 28, 2017 at 2:06 PM, Arman Khalatyan <arm2arm at gmail.com> wrote: > Interesting table Karan!, > Could you please tell us how you did the benchmark? fio or iozone > orsimilar? > > thanks > Arman. > > On Wed, Sep 27, 2017 at 1:20 PM, Karan Sandha <ksandha at redhat.com> wrote: > >> Hi Collin, >> >> During our arbiter latency testing for completion of ops we found the >> below results:- an arbiter node in another data centre and both the data >> bricks in the same data centre, >> >> 1) File...
2017 Sep 27
0
Bandwidth and latency requirements
...lly don't want to do the geo-replication in its current form. > > Thanks > > CC > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-users > -- KARAN SANDHA ASSOCIATE QUALITY ENGINEER Red Hat Bangalore <https://www.redhat.com/> ksandha at redhat.com M: 9888009555 IM: Karan on @irc <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> @redhatnews <https://twitter.com/redhatnews> Red Hat <https:/...
2017 Sep 25
2
Bandwidth and latency requirements
Hi all I've googled but can't find an answer to my question. I have two data centers. Currently, I have a replica (count of 2 plus arbiter) in one data center but is used by both. I want to change this to be a distributed replica across the two data centers. There is a 20Mbps pipe and approx 22 ms latency. Is this sufficient? I really don't want to do the geo-replication in its
2017 Oct 30
0
Poor gluster performance on large files.
...event-threads 8 (default?) > client.event-threads 8 > > Any help given is appreciated! > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-users > -- KARAN SANDHA QUALITY ENGINEER Red Hat Bangalore <https://www.redhat.com/> ksandha at redhat.com M: 9888009555 IM: Karan on @irc <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> @redhatnews <https://twitter.com/redhatnews> Red Hat <https://www.linke...
2017 Oct 27
5
Poor gluster performance on large files.
Hi gluster users, I've spent several months trying to get any kind of high performance out of gluster. The current XFS/samba array is used for video editing and 300-400MB/s for at least 4 clients is minimum (currently a single windows client gets at least 700/700 for a single client over samba, peaking to 950 at times using blackmagic speed test). Gluster has been getting me as low as
2017 Oct 10
2
small files performance
2017-10-10 8:25 GMT+02:00 Karan Sandha <ksandha at redhat.com>: > Hi Gandalf, > > We have multiple tuning to do for small-files which decrease the time for > negative lookups , meta-data caching, parallel readdir. Bumping the server > and client event threads will help you out in increasing the small file > perf...
2017 Oct 10
0
small files performance
...a fuse mount. The files and directories were there, however, if you accessed them directly. Server are 3.10.5 and the clients are 3.10 and 3.12. Any ideas? On 10 October 2017 at 10:53, Gandalf Corvotempesta < gandalf.corvotempesta at gmail.com> wrote: > 2017-10-10 8:25 GMT+02:00 Karan Sandha <ksandha at redhat.com>: > >> Hi Gandalf, >> >> We have multiple tuning to do for small-files which decrease the time for >> negative lookups , meta-data caching, parallel readdir. Bumping the server >> and client event threads will help you out in increasing...
2017 Jul 11
2
Gluster native mount is really slow compared to nfs
...--- From:Soumya Koduri <skoduri at redhat.com> Sent:Tue 11-07-2017 11:16 Subject:Re: [Gluster-users] Gluster native mount is really slow compared to nfs To:Jo Goossens <jo.goossens at hosted-power.com>; gluster-users at gluster.org; CC:Ambarish Soman <asoman at redhat.com>; Karan Sandha <ksandha at redhat.com>; + Ambarish On 07/11/2017 02:31 PM, Jo Goossens wrote: > Hello, > > > > > > We tried tons of settings to get a php app running on a native gluster > mount: > > > > e.g.: 192.168.140.41:/www /var/www glusterfs > defaults,_netdev,...
2017 Jul 11
0
Gluster native mount is really slow compared to nfs
+ Ambarish On 07/11/2017 02:31 PM, Jo Goossens wrote: > Hello, > > > > > > We tried tons of settings to get a php app running on a native gluster > mount: > > > > e.g.: 192.168.140.41:/www /var/www glusterfs > defaults,_netdev,backup-volfile-servers=192.168.140.42:192.168.140.43,direct-io-mode=disable > 0 0 > > > > I tried some mount variants
2017 Jul 11
0
Gluster native mount is really slow compared to nfs
...--- From:Soumya Koduri <skoduri at redhat.com> Sent:Tue 11-07-2017 11:16 Subject:Re: [Gluster-users] Gluster native mount is really slow compared to nfs To:Jo Goossens <jo.goossens at hosted-power.com>; gluster-users at gluster.org; CC:Ambarish Soman <asoman at redhat.com>; Karan Sandha <ksandha at redhat.com>; + Ambarish On 07/11/2017 02:31 PM, Jo Goossens wrote: > Hello, > > > > > > We tried tons of settings to get a php app running on a native gluster > mount: > > > > e.g.: 192.168.140.41:/www /var/www glusterfs > defaults,_netdev,...
2017 Jul 11
2
Gluster native mount is really slow compared to nfs
...--- From:Soumya Koduri <skoduri at redhat.com> Sent:Tue 11-07-2017 11:16 Subject:Re: [Gluster-users] Gluster native mount is really slow compared to nfs To:Jo Goossens <jo.goossens at hosted-power.com>; gluster-users at gluster.org; CC:Ambarish Soman <asoman at redhat.com>; Karan Sandha <ksandha at redhat.com>; + Ambarish On 07/11/2017 02:31 PM, Jo Goossens wrote: > Hello, > > > > > > We tried tons of settings to get a php app running on a native gluster > mount: > > > > e.g.: 192.168.140.41:/www /var/www glusterfs > defaults,_netdev,...
2017 Jul 11
0
Gluster native mount is really slow compared to nfs
...*Subject:* Re: [Gluster-users] Gluster native mount is > really slow compared to nfs > *To:* Jo Goossens <jo.goossens at hosted-power.com>; > gluster-users at gluster.org; > *CC:* Ambarish Soman <asoman at redhat.com>; Karan Sandha > <ksandha at redhat.com>; > + Ambarish > > On 07/11/2017 02:31 PM, Jo Goossens wrote: > > Hello, > > > > > > > > > > > &g...
2017 Jul 11
2
Gluster native mount is really slow compared to nfs
...lly slow compared to nfs To: Jo Goossens <jo.goossens at hosted-power.com> <mailto:jo.goossens at hosted-power.com> ; gluster-users at gluster.org <mailto:gluster-users at gluster.org> ; CC: Ambarish Soman <asoman at redhat.com> <mailto:asoman at redhat.com> ; Karan Sandha <ksandha at redhat.com> <mailto:ksandha at redhat.com> ; + Ambarish On 07/11/2017 02:31 PM, Jo Goossens wrote: > Hello, > > > > > > We tried tons of settings to get a php app running on a native gluster > mount: > > > > e.g.: 192.168....
2017 Jul 11
0
Gluster native mount is really slow compared to nfs
...oossens at hosted-power.com>; >> gluster-users at gluster.org >> <mailto:gluster-users at gluster.org>; >> *CC:* Ambarish Soman <asoman at redhat.com> >> <mailto:asoman at redhat.com>; Karan Sandha >> <ksandha at redhat.com> <mailto:ksandha at redhat.com>; >> + Ambarish >> >> On 07/11/2017 02:31 PM, Jo Goossens wrote: >> > Hello, >> > >> &...
2017 Jul 11
3
Gluster native mount is really slow compared to nfs
Hello, ? ? We tried tons of settings to get a php app running on a native gluster mount: ? e.g.:?192.168.140.41:/www /var/www glusterfs defaults,_netdev,backup-volfile-servers=192.168.140.42:192.168.140.43,direct-io-mode=disable 0 0 ? I tried some mount variants in order to speed up things without luck. ? ? After that I tried nfs (native gluster nfs 3 and ganesha nfs 4), it was a crazy