From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Nelson Subject: Re: fio rbd hang for block sizes > 1M Date: Fri, 24 Oct 2014 09:09:42 -0500 Message-ID: <544A5DA6.2010709@gmail.com> References: <5449BBB3.7090109@catalyst.net.nz> <5449E50E.7000808@kernel.dk> <5449EEF1.1060407@catalyst.net.nz> <544A51C7.40803@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <544A51C7.40803-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: fio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Kirkwood , Jens Axboe , fio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: "d.gollub-+tb+GG71Y8CELgA04lAiVw@public.gmane.org >> Daniel Gollub" , "xan.peng" , "ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: ceph-devel.vger.kernel.org More info: I went back and tested fio versions back to 2.1.10 and still encountered the issue. I then went back and tested the v0.86 release versus giant and was able to get through a 4MB read test without error. I suspect this is not an fio problem. I'll try to narrow down the commit after 0.86 that is causing this. Mark On 10/24/2014 08:19 AM, 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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Message-ID: <544A5DA6.2010709@gmail.com> Date: Fri, 24 Oct 2014 09:09:42 -0500 From: Mark Nelson MIME-Version: 1.0 Subject: Re: fio rbd hang for block sizes > 1M References: <5449BBB3.7090109@catalyst.net.nz> <5449E50E.7000808@kernel.dk> <5449EEF1.1060407@catalyst.net.nz> <544A51C7.40803@gmail.com> In-Reply-To: <544A51C7.40803@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: Mark Kirkwood , Jens Axboe , fio@vger.kernel.org Cc: "d.gollub@telekom.de >> Daniel Gollub" , "xan.peng" , "ceph-devel@vger.kernel.org" List-ID: More info: I went back and tested fio versions back to 2.1.10 and still encountered the issue. I then went back and tested the v0.86 release versus giant and was able to get through a 4MB read test without error. I suspect this is not an fio problem. I'll try to narrow down the commit after 0.86 that is causing this. Mark On 10/24/2014 08:19 AM, 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@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >