Yeah, we reverted the commit that we think was causing it earlier today.
Should be able to confirm things are working again in the next hour or
two.
Mark
On 10/24/2014 05:30 PM, Mark Kirkwood wrote:
It looks like it is an rbd cache issue:
http://tracker.ceph.com/issues/9854
If I disable the rbd ccahe:
$ tail /etc/ceph/ceph.conf
...
[client]
rbd cache = false
then the 2-4M reads work fine (no invalid reads in valgrind either).
Regards
Mark
On 25/10/14 02:19, Mark Nelson wrote:
FWIW we are seeing this at Redhat/Inktank with recent fio from master
and ceph giant branch as well.
Mark
On 10/24/2014 01:17 AM, Mark Kirkwood wrote:
On 24/10/14 18:35, Jens Axboe wrote:
CC'ing relevant parties, leaving email intact.
Note that the 'Killed' is because I killed the run - it hangs and
appears to be non interruptable. I missed that when pasting, sorry!
$ fio read-test.fio # attached
rbd_thread: (g=0): rw=read, bs=2M-2M/2M-2M/2M-2M, ioengine=rbd,
iodepth=32
fio-2.1.13-88-gb2ee7
Starting 1 process
rbd engine: RBD version: 0.1.8
Killed1 (f=1): [R(1)] [inf% done] [0KB/0KB/0KB /s] [0/0/0 iops] [eta
1158050441d:06h:59m:33s]
--
To unsubscribe from this list: send the line "unsubscribe fio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe fio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
