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From: "Francisco J Ballesteros" <nemo@lsub.org>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] Why are some apps so slow?
Date: Sat, 23 Sep 2006 15:47:20 +0200	[thread overview]
Message-ID: <8ccc8ba40609230647p4445affar3ca7969bbe9a869@mail.gmail.com> (raw)
In-Reply-To: <ee9e417a0609230632q6913251cx57dba00b17adc3f1@mail.gmail.com>

But in many cases the files read are small, and keeping the
fd open would not help. Just curiosity, anyway.

On 9/23/06, Russ Cox <rsc@swtch.com> wrote:
> > Anyone actually studied this? Anyone considered replacing this with, say,
> > put/get rpcs that do it all? In some cases there are multiple read (or write),
> > rounds, but many times, I see the 4 rpcs just to get a bunch of bytes.
> > This was a concern for us while using omero across slow network links.
>
> Of course, one easy solution to this is to keep the file descriptor
> open for more than one read or write.  Then it's just one round trip.
>
> Russ
>
>


  reply	other threads:[~2006-09-23 13:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-22  5:31 John Floren
2006-09-22  5:54 ` Skip Tavakkolian
2006-09-22  6:08 ` Anselm R. Garbe
2006-09-22 11:43 ` erik quanstrom
2006-09-22 13:49 ` jmk
2006-09-22 15:02   ` C H Forsyth
2006-09-22 20:21   ` Francisco J Ballesteros
2006-09-23 13:32     ` Russ Cox
2006-09-23 13:47       ` Francisco J Ballesteros [this message]
2006-09-23 14:55         ` Russ Cox
2006-09-23 15:00           ` Francisco J Ballesteros

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