From: Jens Axboe <axboe@kernel.dk>
To: flash yan <flashyan83@gmail.com>, fio@vger.kernel.org
Subject: Re: Linux OS killed fio process because fio invoked oom_killer
Date: Tue, 22 Mar 2016 10:30:30 -0600 [thread overview]
Message-ID: <56F17326.3000908@kernel.dk> (raw)
In-Reply-To: <CADvrUP8gH3S-fLnHU4QXJLO87YzUge8MxKt3WdffN+9uiVpH3w@mail.gmail.com>
On 03/22/2016 08:06 AM, flash yan wrote:
> Hi all,
>
> I have run fio-2.7 to test iscsi device, one unusual issue happened.
> If I set the io_size to 4096, queue_depth to 16 ,rw to randwrite and
> run_time to 3000,
> the fio would invoke oom_killer and the Linux OS would kill the fio process.
> The machine have about 11 GB memory and I have tried the machine with
> 23GB, the issue also happened.
> I think fio have problem when dealing with 4KB io_size then used too
> many memory.
When did this happen - shortly after the job is started, or long after?
How big is the iscsi device? Did you have verify= options enabled?
--
Jens Axboe
next prev parent reply other threads:[~2016-03-22 16:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-22 14:06 Linux OS killed fio process because fio invoked oom_killer flash yan
2016-03-22 16:30 ` Jens Axboe [this message]
2016-03-22 23:12 ` flash yan
2016-03-23 0:42 ` Jens Axboe
2016-03-23 15:10 ` flash yan
2016-03-23 19:29 ` Jeff Furlong
2016-03-23 22:51 ` flash yan
2016-03-23 23:32 ` Jeff Furlong
2016-03-24 12:50 ` flash yan
2016-03-24 14:06 ` Jens Axboe
2016-03-24 19:39 ` Jens Axboe
2016-03-24 23:33 ` flash yan
2016-03-25 15:03 ` flash yan
2016-03-25 15:10 ` Jens Axboe
2016-03-27 12:00 ` flash yan
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