From: Hans Reiser <reiser@namesys.com>
To: Edward Shishkin <edward@namesys.com>
Cc: Jens Axboe <axboe@suse.de>, LKML <linux-kernel@vger.kernel.org>,
Reiserfs mail-list <Reiserfs-List@namesys.com>
Subject: Re: random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress)
Date: Thu, 26 Jan 2006 23:43:56 -0800 [thread overview]
Message-ID: <43D9CF3C.9070706@namesys.com> (raw)
In-Reply-To: <43D933EB.6080009@namesys.com>
Edward Shishkin wrote:
>
> I guess this is because real compression is going in background
> flush, not in sys_write->write_cryptcompress (which just copies
> user's data to page cache). So in this case we have something
> very similar to ext2. Reiser4 plain write (write_unix_file) is
> more complex, and currently we try to reduce its sys time.
>
> Edward.
>
>
>
>
Which means that only real time is a meaningful measurement.....
next prev parent reply other threads:[~2006-01-27 7:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <43D7C6BE.1010804@namesys.com>
2006-01-25 18:59 ` random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress) Hans Reiser
2006-01-26 15:33 ` Jens Axboe
2006-01-26 18:17 ` Edward Shishkin
2006-01-26 18:56 ` Jens Axboe
2006-01-26 20:41 ` Edward Shishkin
2006-01-27 7:43 ` Hans Reiser [this message]
2006-01-27 8:09 ` Jens Axboe
2006-01-27 8:06 ` Jens Axboe
2006-01-27 8:14 ` Hans Reiser
2006-01-27 8:21 ` Jens Axboe
2006-01-27 8:41 ` Hans Reiser
2006-01-28 16:53 ` Alexander Zarochentsev
2006-01-27 7:30 ` Hans Reiser
2006-01-26 17:46 ` Danny Milosavljevic
2006-01-26 18:41 ` Edward Shishkin
2006-02-17 19:12 ` Danny Milosavljevic
2006-02-20 13:11 ` Clemens Eisserer
2006-02-20 17:09 ` Hans Reiser
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