From: Steve Snyder <swsnyder@insightbb.com>
To: ReiserFS Mailing List <reiserfs-list@namesys.com>
Subject: ReiserFS on a flash device?
Date: Sat, 26 Jul 2003 16:40:13 -0700 [thread overview]
Message-ID: <200307261640.13629.swsnyder@insightbb.com> (raw)
I was taken aback by Yury Umanets' recent suggestion
(http://groups.google.com/groups?hl=en&lr=lang_en&ie=UTF-8&safe=off&th=d50aa0bf6c7f26d0&seekm=1059231274.28094.40.camel%40haron.namesys.com.lucky.linux.kernel#link11)
that ReiserFS is not an appropriate for a flash device.
I am currently using it (via Linux kernel v2.4.21) on an E-Disk
(http://www.bitmicro.com/products_edisk_35_scsiw.php) flash device as the
front-end of a low-traffic Squid Web cache. The Squid experts recommend
the use of ReiserFS (with the notail option) for it's superior
performance in handling lots of small files. I understand that flash has
a finite number of write cycles, but for this application performance is
critical, and disk I/O (access times, not STR) is the bottleneck in Squid
performance.
A quote from the post referred to above:
>But, if you are still want to use reiserfs for flash device, you should
>do at least the following:
>
>(1) Make the journal substantial smaller of size.
>(2) Don't turn tails off. This is useful to prolong flash live.
More detail, please? How is journal size a factor? How does notails
reduce flash longevity?
Thanks.
next reply other threads:[~2003-07-26 23:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-26 23:40 Steve Snyder [this message]
2003-07-27 0:03 ` ReiserFS on a flash device? Shawn Rutledge
2003-07-27 11:03 ` Yury Umanets
2003-07-27 10:55 ` Yury Umanets
2003-07-28 2:33 ` Mike Fedyk
2003-07-28 4:53 ` Yury Umanets
2003-07-28 7:05 ` Shawn Rutledge
2003-07-28 7:31 ` Yury Umanets
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