From: Paolo Bonzini <pbonzini@redhat.com>
To: "Chris Friesen" <chris.friesen@windriver.com>,
qemu-devel@nongnu.org, "Benoît Canet" <benoit@irqsave.net>
Subject: Re: [Qemu-devel] is there a limit on the number of in-flight I/O operations?
Date: Sat, 19 Jul 2014 09:23:50 +0200 [thread overview]
Message-ID: <53CA1D06.9090601@redhat.com> (raw)
In-Reply-To: <53CA0FC4.8080802@windriver.com>
Il 19/07/2014 08:27, Chris Friesen ha scritto:
> Does it track in-flight operations though? Or just how many operations
> can be requested in a given amount of time?
It should track in flight operations. However, I'm not sure it supports
the iops=0 case properly, since I do not see anything in
tracked_request_end that ceases the accounting of the current operation.
Benoit, can you answer?
Paolo
> If it tracks how many operations can be requested, then if the "iops"
> parameter is larger than what the server can maintain then the number of
> in-flight operations could still grow indefinitely.
>
> I suppose I'll have to check the code. :)
next prev parent reply other threads:[~2014-07-19 7:24 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-18 14:58 [Qemu-devel] is there a limit on the number of in-flight I/O operations? Chris Friesen
2014-07-18 15:24 ` Paolo Bonzini
2014-07-18 16:22 ` Chris Friesen
2014-07-18 20:13 ` Paolo Bonzini
2014-07-18 22:48 ` Chris Friesen
2014-07-19 5:49 ` Paolo Bonzini
2014-07-19 6:27 ` Chris Friesen
2014-07-19 7:23 ` Paolo Bonzini [this message]
2014-07-19 8:45 ` Benoît Canet
2014-07-21 14:59 ` Chris Friesen
2014-07-21 15:15 ` Benoît Canet
2014-07-21 15:35 ` Chris Friesen
2014-07-21 15:54 ` Benoît Canet
2014-07-21 16:10 ` Benoît Canet
2014-08-23 0:59 ` Chris Friesen
2014-08-23 7:56 ` Benoît Canet
2014-08-25 15:12 ` Chris Friesen
2014-08-25 17:43 ` Chris Friesen
2015-08-27 16:37 ` Stefan Hajnoczi
2015-08-27 16:33 ` Stefan Hajnoczi
2014-08-25 21:50 ` Chris Friesen
2014-08-27 5:43 ` Chris Friesen
2015-05-14 13:42 ` Andrey Korolyov
2015-08-26 17:10 ` Andrey Korolyov
2015-08-26 23:31 ` Josh Durgin
2015-08-26 23:47 ` Andrey Korolyov
2015-08-27 0:56 ` Josh Durgin
2015-08-27 16:48 ` Stefan Hajnoczi
2015-08-27 17:05 ` Stefan Hajnoczi
2015-08-27 16:49 ` Stefan Hajnoczi
2015-08-28 0:31 ` Josh Durgin
2015-08-28 8:31 ` Andrey Korolyov
2014-07-21 19:47 ` Benoît Canet
2014-07-21 21:12 ` Chris Friesen
2014-07-21 22:04 ` Benoît Canet
2014-07-18 15:54 ` Andrey Korolyov
2014-07-18 16:26 ` Chris Friesen
2014-07-18 16:30 ` Andrey Korolyov
2014-07-18 16:46 ` Chris Friesen
[not found] <1000957815.25879188.1441820902018.JavaMail.zimbra@redhat.com>
2015-09-09 18:51 ` Jason Dillaman
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