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From: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>
To: xfs@oss.sgi.com
Subject: Re: 4k sector drives
Date: Fri, 23 Jul 2010 18:02:11 +0300	[thread overview]
Message-ID: <201007231802.11491.eye.of.the.8eholder@gmail.com> (raw)

> What MAY hurt, also for large writes, are the meta-data operations while 
> writing the file. (e.g. the file-size changes, journaling ...)

> But i haven't tested that and can't say for sure how much that hurts.

It hurts a lot. On my 1TB EARS when i was benchmarking unaligned
partitions, untarring a linux kernel for example took ages. (tar output
finished quickly but then you had to wait a long time till the shell
prompt returns)

With aligned partition, performance is normal.



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             reply	other threads:[~2010-07-23 14:59 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-23 15:02 Khelben Blackstaff [this message]
2010-07-23 15:28 ` 4k sector drives Emmanuel Florac
  -- strict thread matches above, loose matches on Subject: below --
2010-07-23  9:19 Khelben Blackstaff
2010-07-21 10:33 Khelben Blackstaff
2010-07-21 12:21 ` Michael Monnerie
2010-07-23  6:09 ` Michael Monnerie
2010-07-23  9:58   ` Christoph Hellwig
2010-07-23 10:42     ` Stan Hoeppner
2010-07-23 10:47       ` Christoph Hellwig
2010-07-23 12:41         ` Stan Hoeppner
2010-07-23 10:59     ` Michael Monnerie
2010-07-23 12:56       ` Emmanuel Florac
2010-07-23 13:10       ` Stan Hoeppner
2010-07-23 13:38         ` Matthias Schniedermeyer
2010-07-23 13:50           ` Emmanuel Florac
2010-07-23 14:13             ` Matthias Schniedermeyer
2010-07-24  8:47       ` Christoph Hellwig
2010-07-24 21:07         ` Eric Sandeen
2010-07-24 22:35           ` Michael Monnerie
2010-07-25 15:33             ` Christoph Hellwig
2010-07-21  7:53 Khelben Blackstaff
2010-07-21  9:14 ` Michael Monnerie
2010-07-21 10:33   ` Emmanuel Florac
2010-07-20 18:58 Michael Monnerie
2010-07-20 20:30 ` Stan Hoeppner
2010-07-20 20:39 ` Emmanuel Florac
2010-07-20 21:34   ` Michael Monnerie

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