Sent: Tuesday, November 18, 2014 7:02 PM
To: Lindsay Mathieson; gluster-users
Subject: Re: [Gluster-users] glusterfsd process thrashing CPU
On 11/18/2014 04:14 PM, Lindsay Mathieson wrote:
On Tue, 18 Nov 2014 02:36:19 PM Pranith Kumar Karampuri wrote:
On 11/18/2014 01:17 PM, Lindsay
On 18 November 2014 17:46, Franco Broi franco.b...@iongeo.com wrote:
Try strace -Ff -e file -p 'glusterfsd pid'
Thanks, Attached
Process 27115 attached with 25 threads - interrupt to quit
[pid 27122] stat(/mnt/gluster-brick1/datastore, {st_mode=S_IFDIR|0755,
st_size=4, ...}) = 0
[pid 11840]
Can't see how any of that could account for 1000% cpu unless it's just
stuck in a loop.
On Tue, 2014-11-18 at 18:00 +1000, Lindsay Mathieson wrote:
On 18 November 2014 17:46, Franco Broi franco.b...@iongeo.com wrote:
Try strace -Ff -e file -p 'glusterfsd pid'
Thanks, Attached
On 18 November 2014 18:05, Franco Broi franco.b...@iongeo.com wrote:
Can't see how any of that could account for 1000% cpu unless it's just
stuck in a loop.
Currently still varying between 400% to 950%
Can glusterfsd be killed without effecting the lgfapi clients? (KVM's)
On 11/18/2014 01:17 PM, Lindsay Mathieson wrote:
On 18 November 2014 17:40, Pranith Kumar Karampuri pkara...@redhat.com wrote:
Sorry didn't see this one. I think this is happening because of 'diff' based
self-heal which does full file checksums, that I believe is the root cause.
Could you
On Tue, 18 Nov 2014 02:36:19 PM Pranith Kumar Karampuri wrote:
On 11/18/2014 01:17 PM, Lindsay Mathieson wrote:
On 18 November 2014 17:40, Pranith Kumar Karampuri pkara...@redhat.com
wrote:
However given the files are tens of GB in size, won't it thrash my
network?
Yes you are right.
On 11/18/2014 04:14 PM, Lindsay Mathieson wrote:
On Tue, 18 Nov 2014 02:36:19 PM Pranith Kumar Karampuri wrote:
On 11/18/2014 01:17 PM, Lindsay Mathieson wrote:
On 18 November 2014 17:40, Pranith Kumar Karampuri pkara...@redhat.com
wrote:
However given the files are tens of GB in size,
2 Node replicate setup,
Everything has been stable for days untill I had occasion to reboot
one of the nodes. Since then (past hour) glusterfsd has been pegging
the CPU(s), utilization ranging from 1% to 1000% !
On average its around 500%
This is a vm server, so there are only 27 VM images for
ps. There is very little network traffic happening
--
Lindsay
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And its happening on both nodes now, they have become near unusable.
On 18 November 2014 17:03, Lindsay Mathieson
lindsay.mathie...@gmail.com wrote:
ps. There is very little network traffic happening
--
Lindsay
--
Lindsay
___
Gluster-users
glusterfsd is the filesystem daemon. You could trace strace'ing it to
see what it's doing.
On Tue, 2014-11-18 at 17:09 +1000, Lindsay Mathieson wrote:
And its happening on both nodes now, they have become near unusable.
On 18 November 2014 17:03, Lindsay Mathieson
On 11/18/2014 12:32 PM, Lindsay Mathieson wrote:
2 Node replicate setup,
Everything has been stable for days untill I had occasion to reboot
one of the nodes. Since then (past hour) glusterfsd has been pegging
the CPU(s), utilization ranging from 1% to 1000% !
On average its around 500%
This
On 11/18/2014 01:05 PM, Pranith Kumar Karampuri wrote:
On 11/18/2014 12:32 PM, Lindsay Mathieson wrote:
2 Node replicate setup,
Everything has been stable for days untill I had occasion to reboot
one of the nodes. Since then (past hour) glusterfsd has been pegging
the CPU(s), utilization
Gluster 3.5.2
Very few files - its purely a VM image host, 27 files, 10 - 60GB in size.
seems to be undergoing a heal:
root@vnb:~# gluster volume heal datastore1 info
Brick vnb:/mnt/gluster-brick1/datastore/
/images/108/vm-108-disk-1.qcow2 - Possibly undergoing heal
Sorry, meant to send to the list. strace attached.
On 18 November 2014 17:35, Pranith Kumar Karampuri pkara...@redhat.com wrote:
On 11/18/2014 12:32 PM, Lindsay Mathieson wrote:
2 Node replicate setup,
Everything has been stable for days untill I had occasion to reboot
one of the nodes.
Try strace -Ff -e file -p 'glusterfsd pid'
On Tue, 2014-11-18 at 17:42 +1000, Lindsay Mathieson wrote:
Sorry, meant to send to the list. strace attached.
On 18 November 2014 17:35, Pranith Kumar Karampuri pkara...@redhat.com
wrote:
On 11/18/2014 12:32 PM, Lindsay Mathieson wrote:
On 18 November 2014 17:40, Pranith Kumar Karampuri pkara...@redhat.com wrote:
Sorry didn't see this one. I think this is happening because of 'diff' based
self-heal which does full file checksums, that I believe is the root cause.
Could you execute 'gluster volume set volname
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