Re: [Gluster-users] Slow performance of gluster volume

2017-09-12 Thread Abi Askushi
re your current transfer speeds after you made the > change? > > Thank you. > > On Mon, Sep 11, 2017 at 9:55 AM, Ben Turner wrote: > >> ----- Original Message - >> > From: "Abi Askushi" >> > To: "Ben Turner" >> > Cc:

Re: [Gluster-users] Slow performance of gluster volume

2017-09-10 Thread Abi Askushi
te: Great to hear! - Original Message ----- > From: "Abi Askushi" > To: "Krutika Dhananjay" > Cc: "gluster-user" > Sent: Friday, September 8, 2017 7:01:00 PM > Subject: Re: [Gluster-users] Slow performance of gluster volume > > Follow

Re: [Gluster-users] Slow performance of gluster volume

2017-09-08 Thread Abi Askushi
good. Did not upgrade the glusterd. As a next try I am thinking to upgrade gluster to 3.12 + test libgfapi integration of qemu by upgrading to ovirt 4.1.5 and check vm perf. On Sep 6, 2017 1:20 PM, "Abi Askushi" wrote: I tried to follow step from https://wiki.centos.org/ SpecialInt

Re: [Gluster-users] Slow performance of gluster volume

2017-09-06 Thread Abi Askushi
; Do you see any improvement with 3.11.1 as that has a patch that improves > perf for this kind of a workload > > Also, could you disable eager-lock and check if that helps? I see that max > time is being spent in acquiring locks. > > -Krutika > > On Wed, Sep 6, 2017 at 1:

Re: [Gluster-users] Slow performance of gluster volume

2017-09-06 Thread Abi Askushi
Hi Krutika, Is it anything in the profile indicating what is causing this bottleneck? In case i can collect any other info let me know. Thanx On Sep 5, 2017 13:27, "Abi Askushi" wrote: Hi Krutika, Attached the profile stats. I enabled profiling then ran some dd tests. Also 3 Windo

Re: [Gluster-users] Slow performance of gluster volume

2017-09-05 Thread Abi Askushi
utika > > [1] - https://gluster.readthedocs.io/en/latest/Administrator% > 20Guide/Monitoring%20Workload/#running-glusterfs-volume-profile-command > > On Tue, Sep 5, 2017 at 2:32 PM, Abi Askushi > wrote: > >> Hi Krutika, >> >> I already have a preallocated disk on VM. >> Now I

Re: [Gluster-users] Slow performance of gluster volume

2017-09-05 Thread Abi Askushi
Third, keep stat-prefetch enabled. We've found that qemu sends quite a lot > of [f]stats which can be served from the (md)cache to improve performance. > So enable that. > > Also, could you also enable client-io-threads and see if that improves > performance? > > Which vers

[Gluster-users] Slow performance of gluster volume

2017-09-04 Thread Abi Askushi
Hi all, I have a gluster volume used to host several VMs (managed through oVirt). The volume is a replica 3 with arbiter and the 3 servers use 1 Gbit network for the storage. When testing with dd (dd if=/dev/zero of=testfile bs=1G count=1 oflag=direct) out of the volume (e.g. writing at /root/) t