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From: Henning Rohlfs <x+btrfs@xehonk.de>
To: <linux-btrfs@vger.kernel.org>
Subject: Re: Abysmal Performance
Date: Tue, 21 Jun 2011 11:26:19 +0200	[thread overview]
Message-ID: <d16814520f76be9fb5650ce47b52e2e4@localhost> (raw)
In-Reply-To: <20110621080058.GA29265@attic.humilis.net>

 On Tue, 21 Jun 2011 10:00:59 +0200, Sander wrote:
> Henning Rohlfs wrote (ao):
>> - space_cache was enabled, but it seemed to make the problem worse.
>> It's no longer in the mount options.
>
> space_cache is a one time mount option which enabled space_cache. Not
> supplying it anymore as a mount option has no effect (dmesg | grep 
> btrfs).

 I'm sure that after the first reboot after removing the flag from the 
 mount options, the system was faster for a while. That must have been a 
 coincidence (or just an error on my part).

 Anyway, I rebooted with clear_cache as mount option and there was no 
 improvement either.


 Thanks for pointing this out,
 Henning

  reply	other threads:[~2011-06-21  9:26 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-20 21:51 Abysmal Performance Henning Rohlfs
2011-06-21  0:12 ` Josef Bacik
2011-06-21  7:10   ` Henning Rohlfs
2011-06-21  8:00 ` Sander
2011-06-21  9:26   ` Henning Rohlfs [this message]
2011-06-21 15:18     ` Josef Bacik
2011-06-21 16:55       ` Henning Rohlfs
2011-06-21 15:24 ` Calvin Walton
2011-06-22 14:15   ` Henning Rohlfs
2011-06-22 15:39     ` Josef Bacik
2011-06-22 15:57       ` Calvin Walton
2011-06-22 15:58         ` Josef Bacik
  -- strict thread matches above, loose matches on Subject: below --
2011-04-29 14:46 abysmal performance John Wyzer
2011-04-29 15:01 ` Chris Mason
2011-04-30 17:33   ` Mitch Harder
2011-04-30 20:40     ` John Wyzer
2011-04-30 22:16       ` Mitch Harder
2011-04-30 22:33         ` John Wyzer
2011-05-03 11:05           ` Chris Mason
2011-05-03 11:06           ` Chris Mason
2011-04-30 23:55     ` Peter Stuge
2011-05-03 10:33       ` Bernhard Schmidt
2011-05-03 11:00         ` cwillu
2011-05-03 11:26           ` Bernhard Schmidt
2011-05-03 11:08         ` Chris Mason
2011-05-03 11:30           ` Bernhard Schmidt
2011-05-03 11:36             ` Chris Mason
2011-05-03 11:43               ` Bernhard Schmidt
2011-05-03 12:52                 ` Chris Mason
2011-05-03 13:03                   ` Bernhard Schmidt
2011-05-03 13:41                     ` Mitch Harder
2011-05-03 14:41                   ` Daniel J Blueman
2011-05-03 15:42                     ` Mitch Harder
2011-05-03 16:51                       ` Chris Mason
2011-05-03 14:54             ` Daniel J Blueman
2011-05-03 15:10               ` Bernhard Schmidt
     [not found]   ` <1304100271-sup-4177@localhost>
     [not found]     ` <1304100862-sup-1493@think>
     [not found]       ` <1304107977-sup-3815@localhost>
     [not found]         ` <1304110058-sup-7292@think>
     [not found]           ` <1304146193-sup-2200@localhost>
2011-04-30 20:51             ` John Wyzer

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