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From: "Carlos R. Mafra" <crmafra2@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: btrfs write behavior on idle system
Date: Mon, 18 Jan 2010 18:35:25 +0100	[thread overview]
Message-ID: <20100118173525.GA4629@Pilar.aei.mpg.de> (raw)
In-Reply-To: <20100118171756.GA4165@Pilar.aei.mpg.de>

PS:

On Mo 18.Jan'10 at 18:17:56 +0100, Carlos R. Mafra wrote:
> ...

> [ I get really worried when I 'blktrace -a write' my /home when actively
>   using chrome. Just a 2-minute experiment here while I was writing this
>   email ended up like this:
> 
...
> blktrace (4226)
>  Reads Queued:           0,        0KiB  Writes Queued:           0,        0KiB
>  Read Dispatches:        0,        0KiB  Write Dispatches:        0,        0KiB
>  Reads Requeued:         0               Writes Requeued:         0
>  Reads Completed:        0,        0KiB  Writes Completed:        8,      204KiB

This time I was inside /home taking the blktrace, but I usually do it from
inside /root which is in /dev/sda2 and uses ext4 to avoid disturbing
the result of measuring what is going on with btrfs in /dev/sda3.

  reply	other threads:[~2010-01-18 17:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-18 17:17 btrfs write behavior on idle system Carlos R. Mafra
2010-01-18 17:35 ` Carlos R. Mafra [this message]
2010-01-18 18:14 ` Ravi Pinjala
2010-01-18 19:36   ` Carlos R. Mafra
2010-01-20 21:29     ` Chris Mason

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