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...to 102MB/s. Is there anything I can do to optimize more? Or is it last stop? Note: I deleted all files again and reformat then re-create volume with shard then mount it. Tried with 16MB, 32MB and 512MB shard sizes. Results are equal. Thanks, Gencer. From: Krutika Dhananjay [mailto:kdhananj at redhat.com] Sent: Thursday, July 6, 2017 3:30 AM To: gencer at gencgiyen.com Cc: gluster-user <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS What if you disabled eager lock and run your test again on the sharded configuration alo...

Great, thanks! Il 5 giu 2017 6:49 AM, "Krutika Dhananjay" <kdhananj at redhat.com> ha scritto: > The fixes are already available in 3.10.2, 3.8.12 and 3.11.0 > > -Krutika > > On Sun, Jun 4, 2017 at 5:30 PM, Gandalf Corvotempesta < > gandalf.corvotempesta at gmail.com> wrote: > >> Great news. >> Is this planned to be publis...

...s. I just want to make sure that I provided correct results for the tests. Thanks, Gencer. From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of gencer at gencgiyen.com Sent: Thursday, July 6, 2017 10:34 AM To: 'Krutika Dhananjay' <kdhananj at redhat.com> Cc: 'gluster-user' <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS Krutika, I?m sorry I forgot to add logs. I attached them now. Thanks, Gencer. From: gluster-users-bounces at gluster.org <m...

Krutika, I?m sorry I forgot to add logs. I attached them now. Thanks, Gencer. From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of gencer at gencgiyen.com Sent: Thursday, July 6, 2017 10:27 AM To: 'Krutika Dhananjay' <kdhananj at redhat.com> Cc: 'gluster-user' <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS Ki Krutika, After that setting: $ dd if=/dev/zero of=/mnt/ddfile bs=1G count=1 1+0 records in 1+0 records out 1073741824 bytes (1....

...pologies for the ping :) > > > > -Gencer. > > > > *From:* gluster-users-bounces at gluster.org [mailto:gluster-users-bounces@ > gluster.org] *On Behalf Of *gencer at gencgiyen.com > *Sent:* Thursday, July 6, 2017 11:06 AM > > *To:* 'Krutika Dhananjay' <kdhananj at redhat.com> > *Cc:* 'gluster-user' <gluster-users at gluster.org> > *Subject:* Re: [Gluster-users] Very slow performance on Sharded GlusterFS > > > > Hi Krutika, > > > > I also did one more test. I re-created another volume (single volume. Old >...

...may? I am awaiting your reply with four eyes :) Apologies for the ping :) -Gencer. From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of gencer at gencgiyen.com Sent: Thursday, July 6, 2017 11:06 AM To: 'Krutika Dhananjay' <kdhananj at redhat.com> Cc: 'gluster-user' <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS Hi Krutika, I also did one more test. I re-created another volume (single volume. Old one destroyed-deleted) then do 2 dd tests. One for...

Hi, Sorry i did't confirm the results sooner. Yes, it's working fine without issues for me. If anyone else can confirm so we can be sure it's 100% resolved. -- Respectfully Mahdi A. Mahdi ________________________________ From: Krutika Dhananjay <kdhananj at redhat.com> Sent: Tuesday, June 6, 2017 9:17:40 AM To: Mahdi Adnan Cc: gluster-user; Gandalf Corvotempesta; Lindsay Mathieson; Kevin Lemonnier Subject: Re: Rebalance + VM corruption - current status and request for feedback Hi Mahdi, Did you get a chance to verify this fix again? If this fi...

What if you disabled eager lock and run your test again on the sharded configuration along with the profile output? # gluster volume set <VOL> cluster.eager-lock off -Krutika On Tue, Jul 4, 2017 at 9:03 PM, Krutika Dhananjay <kdhananj at redhat.com> wrote: > Thanks. I think reusing the same volume was the cause of lack of IO > distribution. > The latest profile output looks much more realistic and in line with i > would expect. > > Let me analyse the numbers a bit and get back. > > -Krutika > >...

...a087-dc51fc21412e) [No such file or directory] > > > > Although the process went smooth, i will run another extensive test > tomorrow just to be sure. > > -- > > Respectfully > *Mahdi A. Mahdi* > > ------------------------------ > *From:* Krutika Dhananjay <kdhananj at redhat.com> > *Sent:* Monday, May 29, 2017 9:20:29 AM > > *To:* Mahdi Adnan > *Cc:* gluster-user; Gandalf Corvotempesta; Lindsay Mathieson; Kevin > Lemonnier > *Subject:* Re: Rebalance + VM corruption - current status and request for > feedback > > Hi, > > I t...

...t; > > > > And this example have generated a profile which I also attached to this > e-mail. > > > > Is there anything that I can try? I am open to all kind of suggestions. > > > > Thanks, > > Gencer. > > > > *From:* Krutika Dhananjay [mailto:kdhananj at redhat.com] > *Sent:* Tuesday, July 4, 2017 9:39 AM > > *To:* gencer at gencgiyen.com > *Cc:* gluster-user <gluster-users at gluster.org> > *Subject:* Re: [Gluster-users] Very slow performance on Sharded GlusterFS > > > > Hi Gencer, > > I just checked the v...

.../s but shard gives 77mb. I attached two logs (shard and stripe logs) Note: I also noticed that you said ?order?. Do you mean when we create via volume set we have to make an order for bricks? I thought gluster handles (and do the math) itself. Gencer From: Krutika Dhananjay [mailto:kdhananj at redhat.com] Sent: Friday, June 30, 2017 3:50 PM To: gencer at gencgiyen.com Cc: gluster-user <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS Just noticed that the way you have configured your brick order during volume-create makes...

Great news. Is this planned to be published in next release? Il 29 mag 2017 3:27 PM, "Krutika Dhananjay" <kdhananj at redhat.com> ha scritto: > Thanks for that update. Very happy to hear it ran fine without any issues. > :) > > Yeah so you can ignore those 'No such file or directory' errors. They > represent a transient state where DHT in the client process is yet to > figure out t...

...eady available in 3.10.2, 3.8.12 and 3.11.0 -Krutika On Sun, Jun 4, 2017 at 5:30 PM, Gandalf Corvotempesta < gandalf.corvotempesta at gmail.com> wrote: > Great news. > Is this planned to be published in next release? > > Il 29 mag 2017 3:27 PM, "Krutika Dhananjay" <kdhananj at redhat.com> ha > scritto: > >> Thanks for that update. Very happy to hear it ran fine without any >> issues. :) >> >> Yeah so you can ignore those 'No such file or directory' errors. They >> represent a transient state where DHT in the client proces...

----- Original Message ----- > From: "Abi Askushi" <rightkicktech at gmail.com> > To: "Ben Turner" <bturner at redhat.com> > Cc: "Krutika Dhananjay" <kdhananj at redhat.com>, "gluster-user" <gluster-users at gluster.org> > Sent: Monday, September 11, 2017 1:40:42 AM > Subject: Re: [Gluster-users] Slow performance of gluster volume > > Did not upgrade yet gluster. I am still using 3.8.12. Only the mentioned > changes di...

Great to hear! ----- Original Message ----- > From: "Abi Askushi" <rightkicktech at gmail.com> > To: "Krutika Dhananjay" <kdhananj at redhat.com> > Cc: "gluster-user" <gluster-users at gluster.org> > Sent: Friday, September 8, 2017 7:01:00 PM > Subject: Re: [Gluster-users] Slow performance of gluster volume > > Following changes resolved the perf issue: > > Added the option > /etc/g...

..., Sep 11, 2017 at 9:55 AM, Ben Turner <bturner at redhat.com> wrote: > ----- Original Message ----- > > From: "Abi Askushi" <rightkicktech at gmail.com> > > To: "Ben Turner" <bturner at redhat.com> > > Cc: "Krutika Dhananjay" <kdhananj at redhat.com>, "gluster-user" < > gluster-users at gluster.org> > > Sent: Monday, September 11, 2017 1:40:42 AM > > Subject: Re: [Gluster-users] Slow performance of gluster volume > > > > Did not upgrade yet gluster. I am still using 3.8.12. Only the...

...much much more worse. Default values are better on sharded volume. -Gencer. From: gencer at gencgiyen.com [mailto:gencer at gencgiyen.com] Sent: Saturday, July 1, 2017 9:49 AM To: 'Gandalf Corvotempesta' <gandalf.corvotempesta at gmail.com> Cc: 'Krutika Dhananjay' <kdhananj at redhat.com>; 'gluster-user' <gluster-users at gluster.org> Subject: RE: [Gluster-users] Very slow performance on Sharded GlusterFS I did the changes (one brick from 09th server and one replica from 10th server and continued with this order) and re-test. Nothing changed. Stil...

...oost? I will try to upgrade and check difference also. On Sep 11, 2017 2:45 AM, "Ben Turner" <bturner at redhat.com> wrote: Great to hear! ----- Original Message ----- > From: "Abi Askushi" <rightkicktech at gmail.com> > To: "Krutika Dhananjay" <kdhananj at redhat.com> > Cc: "gluster-user" <gluster-users at gluster.org> > Sent: Friday, September 8, 2017 7:01:00 PM > Subject: Re: [Gluster-users] Slow performance of gluster volume > > Following changes resolved the perf issue: > > Added the option > /etc/glu...

...nt/testfile bs=5G count=1 This also gives same result. (bs and count reversed) And this example have generated a profile which I also attached to this e-mail. Is there anything that I can try? I am open to all kind of suggestions. Thanks, Gencer. From: Krutika Dhananjay [mailto:kdhananj at redhat.com] Sent: Tuesday, July 4, 2017 9:39 AM To: gencer at gencgiyen.com Cc: gluster-user <gluster-users at gluster.org> Subject: Re: [Gluster-users] Very slow performance on Sharded GlusterFS Hi Gencer, I just checked the volume-profile attachments. Things that seem really odd t...

...On Mon, Jul 3, 2017 at 8:42 PM, <gencer at gencgiyen.com> wrote: > Hi Krutika, > > > > Have you be able to look out my profiles? Do you have any clue, idea or > suggestion? > > > > Thanks, > > -Gencer > > > > *From:* Krutika Dhananjay [mailto:kdhananj at redhat.com] > *Sent:* Friday, June 30, 2017 3:50 PM > > *To:* gencer at gencgiyen.com > *Cc:* gluster-user <gluster-users at gluster.org> > *Subject:* Re: [Gluster-users] Very slow performance on Sharded GlusterFS > > > > Just noticed that the way you have config...