From: Paolo Bonzini <pbonzini@redhat.com>
To: ronnie sahlberg <ronniesahlberg@gmail.com>, Peter Lieven <pl@kamp.de>
Cc: Kevin Wolf <kwolf@redhat.com>, Michael Tokarev <mjt@tls.msk.ru>,
qemu-devel <qemu-devel@nongnu.org>,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] block/iscsi: use 16 byte CDBs only when necessary
Date: Wed, 03 Sep 2014 16:18:55 +0200 [thread overview]
Message-ID: <5407234F.4060003@redhat.com> (raw)
In-Reply-To: <CAN05THTqcvmcQfkQZwtkRhr+yy_kd9VDzQwamtnkPtGkQwSxpw@mail.gmail.com>
Il 03/09/2014 16:17, ronnie sahlberg ha scritto:
> I think (a) would be best.
> But I would suggest some small modifications:
>
> Set the default max to something even smaller, like 256 sectors. This
> should not have much effect on throughput since the client/initiator
> can just send several concurrent i/os instead of one large i/o.
I disagree. 256 sectors are 128k, that's a fairly normal I/O size.
Paolo
next prev parent reply other threads:[~2014-09-03 14:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-04 13:47 [Qemu-devel] [PATCH] block/iscsi: use 16 byte CDBs only when necessary Peter Lieven
2014-06-04 14:00 ` ronnie sahlberg
2014-06-04 14:43 ` Peter Lieven
2014-06-04 14:54 ` ronnie sahlberg
2014-06-05 9:12 ` Michael Tokarev
2014-06-05 9:27 ` Peter Lieven
2014-06-17 6:14 ` Peter Lieven
2014-06-17 11:15 ` Paolo Bonzini
2014-06-17 11:37 ` Peter Lieven
2014-06-17 11:46 ` Paolo Bonzini
2014-06-17 11:50 ` Peter Lieven
2014-06-17 13:45 ` Peter Lieven
2014-09-01 15:21 ` Peter Lieven
2014-09-02 15:28 ` ronnie sahlberg
2014-09-02 18:14 ` Peter Lieven
2014-09-02 19:30 ` Peter Lieven
2014-09-03 8:09 ` Peter Lieven
2014-09-03 12:31 ` Stefan Hajnoczi
2014-09-03 13:13 ` Peter Lieven
2014-09-03 14:17 ` ronnie sahlberg
2014-09-03 14:18 ` Paolo Bonzini [this message]
2014-09-03 14:48 ` ronnie sahlberg
2014-09-03 19:29 ` Peter Lieven
2014-06-04 15:31 ` Paolo Bonzini
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