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From: Hans Reiser <reiser@namesys.com>
To: George Beshers <gbeshers@comcast.net>
Cc: ReiserFS List <reiserfs-list@namesys.com>
Subject: Re: iozone reality check: was zam, please discuss this
Date: Thu, 24 Jun 2004 00:11:20 -0700	[thread overview]
Message-ID: <40DA7E98.1070707@namesys.com> (raw)
In-Reply-To: <40D9CDC0.30503@comcast.net>

George Beshers wrote:

>
>
> Hans Reiser wrote:
>
>>
>> When you say lots, do you mean close to or more than physical ram?
>>
> My recollection is that it was on the order of 70% of physical ram; there
> was significant other activity on the system so it was getting flushed to
> disk some of the time, but I was not actually measuring that.  I was 
> looking
> at cache-coherency across processor nodes and noticed that most of
> the pages in the mmap'd area were touched (modified).
>
>
>
>
>
Ok, this qualifies as an app where it matters.

      reply	other threads:[~2004-06-24  7:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-23  2:29 zam, please discuss this Hans Reiser
2004-06-23  6:30 ` Alex Zarochentsev
2004-06-24  3:33   ` Hans Reiser
2004-06-24  4:29   ` Hans Reiser
2004-06-23 18:03     ` iozone reality check: was " George Beshers
2004-06-24  5:13       ` Hans Reiser
2004-06-23 18:36         ` George Beshers
2004-06-24  7:11           ` Hans Reiser [this message]

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