Ceph

11/15/2010

07:05 AM Ceph Bug #538: Write performance does not scale over multiple computers

I set 'osd heartbeat grace=120' and that got rid of the chatter. My performance is now:... Ed Burnette

11/03/2010

07:19 AM Ceph Bug #538: Write performance does not scale over multiple computers

Greg Farnum wrote:
> Just to be clear, do you have all 208 nodes running server daemons and the client? What's your ... Ed Burnette

11/02/2010

11:55 AM Ceph Bug #538: Write performance does not scale over multiple computers

I also tried setting the target pg count to 4,000 and got about the same numbers as 400, maybe a small amount faster.... Ed Burnette

11:24 AM Ceph Bug #538: Write performance does not scale over multiple computers

I set the target pg count to 400 and tried again. It helped some, up to 2x, but is still slower than I expected:
<... Ed Burnette

08:15 AM Ceph Bug #538 (Closed): Write performance does not scale over multiple computers

I have ceph0.22.1 installed on a cluster of 208 lightly loaded 64-bit Linux nodes (RHEL5.5 ext3). The configuration i... Ed Burnette

05:51 AM CephFS Bug #529: Cfuse: Software caused connection abort

I was going to apply the patch to my version but I noted that my src/client/Client.h line 516 already says "truncate_... Ed Burnette

11/01/2010

07:57 AM Ceph Bug #530 (Resolved): No way to override lock file path on RH

init-ceph checks if /var/loc/subsys exists and if it does, tries to create a lock file there. In my case for various ... Ed Burnette

07:40 AM CephFS Bug #529 (Resolved): Cfuse: Software caused connection abort

After using ceph for a few minutes it gets into a state where I can no longer access the cfuse mount point. It also s... Ed Burnette