Re: [ceph-users] Number of threads for osd processes

2013-11-27 Thread Kasper Dieter
On Wed, Nov 27, 2013 at 04:34:00PM +0100, Gregory Farnum wrote: > On Wed, Nov 27, 2013 at 7:28 AM, Mark Nelson wrote: > > On 11/27/2013 09:25 AM, Gregory Farnum wrote: > >> > >> On Wed, Nov 27, 2013 at 1:31 AM, Jens-Christian Fischer > >> wrote: > > The largest group of threads is those

Re: [ceph-users] Number of threads for osd processes

2013-11-27 Thread Gregory Farnum
On Wed, Nov 27, 2013 at 7:28 AM, Mark Nelson wrote: > On 11/27/2013 09:25 AM, Gregory Farnum wrote: >> >> On Wed, Nov 27, 2013 at 1:31 AM, Jens-Christian Fischer >> wrote: The largest group of threads is those from the network messenger — in the current implementation it creates tw

Re: [ceph-users] Number of threads for osd processes

2013-11-27 Thread Mark Nelson
On 11/27/2013 09:25 AM, Gregory Farnum wrote: On Wed, Nov 27, 2013 at 1:31 AM, Jens-Christian Fischer wrote: The largest group of threads is those from the network messenger — in the current implementation it creates two threads per process the daemon is communicating with. That's two threads f

Re: [ceph-users] Number of threads for osd processes

2013-11-27 Thread Gregory Farnum
On Wed, Nov 27, 2013 at 1:31 AM, Jens-Christian Fischer wrote: >> The largest group of threads is those from the network messenger — in >> the current implementation it creates two threads per process the >> daemon is communicating with. That's two threads for each OSD it >> shares PGs with, and t

Re: [ceph-users] Number of threads for osd processes

2013-11-27 Thread Jens-Christian Fischer
> The largest group of threads is those from the network messenger — in > the current implementation it creates two threads per process the > daemon is communicating with. That's two threads for each OSD it > shares PGs with, and two threads for each client which is accessing > any data on that OSD

Re: [ceph-users] Number of threads for osd processes

2013-11-26 Thread Gregory Farnum
The largest group of threads is those from the network messenger — in the current implementation it creates two threads per process the daemon is communicating with. That's two threads for each OSD it shares PGs with, and two threads for each client which is accessing any data on that OSD. -Greg So

[ceph-users] Number of threads for osd processes

2013-11-26 Thread Jens-Christian Fischer
Hi all we have a ceph 0.67.4 cluster with 24 OSDs I have noticed that the two servers that have 9 OSD each, have around 10'000 threads running - a number that went up significantly 2 weeks ago. Looking at the threads: root@h2:/var/log/ceph# ps -efL | grep ceph-osd | awk '{ print $2 }' | uniq