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From: "Alexey Polyakov" <alexey.polyakov@gmail.com>
To: "Łukasz Mierzwa" <prymitive@pcserwis.net>
Cc: "reiserfs-list@namesys.com" <reiserfs-list@namesys.com>
Subject: Re: reiser4 resize
Date: Wed, 20 Sep 2006 13:00:20 +0400	[thread overview]
Message-ID: <b5d90b2a0609200200s5838456bm618093395356390a@mail.gmail.com> (raw)
In-Reply-To: <op.tf52pansd4os1z@localhost>

On 9/20/06, £ukasz Mierzwa <prymitive@pcserwis.net> wrote:

> It's been proven that flushes are doing much more job then they should.
> Not so long ago someone send a trace of block device io accesess during
> reiser4 work and someone anylized it and said that some files or parts of
> file where written over and over 200 times or so.  Bittottent downloads on
> a few months old filesystem that had been used often just shows a week
> spot in reiser4, while downloading files with azureus with only 64KB of
> data per second I got disk lid on almost all the time, swithcing to
> rtorrent helped as it does not seem to call fsync ( I think I disabled
> fsync in azureus).

Ah, I see, if bittorrent calls fsync often, it's no wonder that
reiser4 behaves badly. I had to preload libnosync for some of my
programs that do fsync to avoid this.

-- 
Alexey Polyakov

  parent reply	other threads:[~2006-09-20  9:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-19  1:12 reiser4 resize Jack Byer
2006-09-19 13:23 ` Vladimir V. Saveliev
2006-09-19 17:54   ` David Masover
2006-09-20  7:39     ` Alexey Polyakov
     [not found]       ` <op.tf52pansd4os1z@localhost>
2006-09-20  9:00         ` Alexey Polyakov [this message]
2006-09-21  7:30           ` David Masover
2006-09-21  7:49             ` Łukasz Mierzwa
2006-09-21  7:52             ` Łukasz Mierzwa
2006-09-21  7:48       ` David Masover
2006-09-20  1:09   ` Jack Byer
  -- strict thread matches above, loose matches on Subject: below --
2008-01-25 14:38 Reiser4 resize Oleg Osovitskiy
2008-01-30 20:40 ` Edward Shishkin
2008-03-02 22:39 No space left on rfs4 Christopher Sawtell
2008-03-03 20:59 ` Reiser4 resize John

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