From: Martin Steigerwald <Martin@lichtvoll.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: fio@vger.kernel.org
Subject: Re: Measuring IOPS (solved, I think)
Date: Tue, 2 Aug 2011 23:28:52 +0200 [thread overview]
Message-ID: <201108022328.52415.Martin@lichtvoll.de> (raw)
In-Reply-To: <4E38549F.5080601@kernel.dk>
Am Dienstag, 2. August 2011 schrieben Sie:
> That's a long email! The stonewall should be put in the job section
> that has to wait for previous jobs. So, ala:
>
> [job1]
> something
>
> [job2]
> stonewall # will wait for job1 to finish
> something
>
> [job3]
> something # will run in parallel with job2
>
> [job4]
> stonewall # will run when job2+3 are finished
> something
>
> If that's not the case, something is broken. A quick test here seems to
> show that it works.
Its documented. From the manpage that I read several times by now:
Wait for preceding jobs in the job file to exit before starting this one.
stonewall implies new_group.
Somehow despite my reading of manpage, README, HOWTO I came to the thought
that it tells fio to wait for the current job to finish, thus I had the
stonewall options misordered.
I expect that it works exactly as you said and try it this way. Instead of
omitting the last stonewall option in my iops job file I could omit the
first for the first job. Cause the first job does not need to wait for a
previous job.
Thanks,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
next prev parent reply other threads:[~2011-08-02 21:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-29 15:37 Measuring IOPS Martin Steigerwald
2011-07-29 16:14 ` Martin Steigerwald
2011-08-02 14:32 ` Measuring IOPS (solved, I think) Martin Steigerwald
2011-08-02 19:48 ` Jens Axboe
2011-08-02 21:28 ` Martin Steigerwald [this message]
2011-08-03 7:17 ` Jens Axboe
2011-08-03 9:03 ` Martin Steigerwald
2011-08-03 10:34 ` Jens Axboe
2011-08-03 19:31 ` Measuring IOPS Martin Steigerwald
2011-08-03 20:22 ` Jeff Moyer
2011-08-03 20:33 ` Martin Steigerwald
2011-08-04 7:50 ` Jens Axboe
2011-08-03 20:42 ` Martin Steigerwald
2011-08-03 20:50 ` Martin Steigerwald
2011-08-04 8:51 ` Martin Steigerwald
2011-08-04 8:58 ` Jens Axboe
2011-08-04 9:34 ` Martin Steigerwald
2011-08-04 10:02 ` Jens Axboe
2011-08-04 10:23 ` Martin Steigerwald
2011-08-05 7:28 ` Jens Axboe
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