From: Mark Nelson <mark.a.nelson@gmail.com>
To: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>,
Jens Axboe <axboe@kernel.dk>,
fio@vger.kernel.org
Cc: "d.gollub@telekom.de >> Daniel Gollub" <d.gollub@telekom.de>,
"xan.peng" <xanpeng@gmail.com>
Subject: Re: fio rbd hang for block sizes > 1M
Date: Fri, 24 Oct 2014 17:38:51 -0500 [thread overview]
Message-ID: <544AD4FB.2060107@gmail.com> (raw)
In-Reply-To: <544AD2F7.9070909@catalyst.net.nz>
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@vger.kernel.org
>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
>
next prev parent reply other threads:[~2014-10-24 22:38 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-24 2:38 fio rbd hang for block sizes > 1M Mark Kirkwood
2014-10-24 5:35 ` Jens Axboe
2014-10-24 6:17 ` Mark Kirkwood
2014-10-24 13:19 ` Mark Nelson
[not found] ` <544A51C7.40803-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-24 14:09 ` Mark Nelson
2014-10-24 14:09 ` Mark Nelson
[not found] ` <544A5DA6.2010709-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-10-24 14:30 ` Jens Axboe
2014-10-24 14:30 ` Jens Axboe
2014-10-24 22:45 ` Mark Kirkwood
2014-10-24 22:45 ` Mark Kirkwood
[not found] ` <544AD67D.4030603-6STWZtX7tXAqAMOr+u8IRA@public.gmane.org>
2014-10-25 0:12 ` Mark Nelson
2014-10-25 0:12 ` Mark Nelson
[not found] ` <544AEAE7.6080603-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-10-25 0:37 ` Mark Kirkwood
2014-10-25 0:37 ` Mark Kirkwood
[not found] ` <544AF0D2.1050405-6STWZtX7tXAqAMOr+u8IRA@public.gmane.org>
2014-10-25 2:35 ` Mark Kirkwood
2014-10-25 2:35 ` Mark Kirkwood
2014-10-25 3:47 ` Jens Axboe
2014-10-25 4:50 ` fio rbd completions (Was: fio rbd hang for block sizes > 1M) Mark Kirkwood
2014-10-25 19:20 ` Jens Axboe
[not found] ` <544BF808.2090800-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2014-10-25 22:25 ` Mark Kirkwood
2014-10-25 22:25 ` Mark Kirkwood
2014-10-27 9:27 ` Ketor D
[not found] ` <CAM9_UU_S7qhenZW34Lw3r=RHoVa1__610RRsFScgt0adi1dpFw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-27 10:25 ` Ketor D
2014-10-27 10:25 ` Ketor D
2014-10-27 14:19 ` Jens Axboe
2014-10-27 14:15 ` Jens Axboe
[not found] ` <544C2371.1020403-6STWZtX7tXAqAMOr+u8IRA@public.gmane.org>
2014-10-27 14:19 ` Jens Axboe
2014-10-27 14:19 ` Jens Axboe
[not found] ` <544E547C.30009-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2014-10-27 15:12 ` Ketor D
2014-10-27 15:12 ` Ketor D
2014-10-27 15:22 ` Jens Axboe
2014-10-27 15:25 ` Jens Axboe
2014-10-27 15:29 ` Ketor D
[not found] ` <CAM9_UU-35i9uRu9EDQSM-b7CjmxrKYV2Gz8ocrykOYk+2q++hw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-27 15:36 ` Jens Axboe
2014-10-27 15:36 ` Jens Axboe
2014-10-27 15:45 ` Ketor D
2014-10-27 15:53 ` Jens Axboe
2014-10-27 16:20 ` Ketor D
[not found] ` <CAM9_UU8x2uZZUWaPPoy+LH mUhC_3sqKZ9GPsEqDwKUkprg4kdQ@mail.gmail.com>
[not found] ` <CAM9_UU8x2uZZUWaPPoy+LHmUhC_3sqKZ9GPsEqDwKUkprg4kdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-27 16:55 ` Jens Axboe
2014-10-27 16:55 ` Jens Axboe
2014-10-27 21:59 ` Mark Kirkwood
2014-10-27 21:59 ` Mark Kirkwood
2014-10-27 22:32 ` Jens Axboe
2014-10-27 22:32 ` Jens Axboe
[not found] ` <544EC7F1.6010900-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2014-10-27 23:21 ` Mark Kirkwood
2014-10-27 23:21 ` Mark Kirkwood
[not found] ` <544ED37D.6060800-6STWZtX7tXAqAMOr+u8IRA@public.gmane.org>
2014-10-28 3:23 ` Ketor D
2014-10-28 3:23 ` Ketor D
[not found] ` <CAM9_UU8MHdj+mjAWBziETxPDnwTt0JBuHrQp2Fu9YtF=msae3w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-28 4:01 ` Mark Kirkwood
2014-10-28 4:01 ` Mark Kirkwood
2014-10-28 4:05 ` Jens Axboe
2014-10-28 4:49 ` Ketor D
[not found] ` <CAM9_UU9G5vQ68UxMakte-Wb5B9_KBo24ov7=hNHpYqEtko2nQg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-28 15:14 ` Jens Axboe
2014-10-28 15:14 ` Jens Axboe
2014-10-28 15:49 ` Ketor D
[not found] ` <CAM9_UU_o8kS1wJnDKTvd8+qkm9=93yfW3THr_8ni8C+5=TH6tg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-28 15:53 ` Jens Axboe
2014-10-28 15:53 ` Jens Axboe
2014-10-28 17:09 ` Jens Axboe
2014-10-28 17:09 ` Jens Axboe
2014-10-28 18:43 ` Ketor D
2014-10-29 7:15 ` Ketor D
[not found] ` <CAM9_UU8=MtUnQiembBfr8YQiDOD7TNey=mp8_H6gySenRVHy6A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-29 14:31 ` Jens Axboe
2014-10-29 14:31 ` Jens Axboe
[not found] ` <5450FA47.2030203-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2014-10-30 2:50 ` Ketor D
2014-10-30 2:50 ` Ketor D
2014-10-30 2:55 ` Jens Axboe
2014-10-30 2:55 ` Jens Axboe
2014-10-30 5:29 ` Ketor D
2014-10-30 7:44 ` Mark Kirkwood
2014-10-30 7:44 ` Mark Kirkwood
2014-10-30 8:04 ` Ketor D
2014-10-31 8:54 ` Mark Kirkwood
2014-10-31 8:54 ` Mark Kirkwood
2014-10-24 22:30 ` fio rbd hang for block sizes > 1M Mark Kirkwood
2014-10-24 22:38 ` Mark Nelson [this message]
2014-10-24 14:11 ` Danny Al-Gaaf
2014-10-24 14:31 ` Jens Axboe
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