From: Torbjørn <lists@skagestad.org>
To: Kai Krakow <hurikhan77+btrfs@gmail.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Is the checkpoint interval adjustable?
Date: Sat, 03 Aug 2013 19:37:32 +0200 [thread overview]
Message-ID: <51FD3FDC.803@skagestad.org> (raw)
In-Reply-To: <17rvca-hju.ln1@hurikhan.ath.cx>
On 08/03/2013 07:28 PM, Kai Krakow wrote:
> Mike Audia <mikey_a@gmx.com> schrieb:
>
>> I believe 30 sec is the default for the checkpoint interval. Is this
>> adjustable? --
>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Just curious: What would be the benefit of increasing the checkpoint
> interval?
Laptops typically spin down disks to save power. If btrfs forces a write
every 30 second, you have to spin it back up.
--
Torbjørn
>
> As far as I understood it would not decrease write load on the drives
> because it will only update a few pointers and probably increase the
> generation number...
>
> Greetings,
> Kai
next prev parent reply other threads:[~2013-08-03 17:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 20:02 Is the checkpoint interval adjustable? Mike Audia
2013-07-31 20:54 ` Zach Brown
2013-08-03 17:28 ` Kai Krakow
2013-08-03 17:37 ` Torbjørn [this message]
2013-08-04 0:58 ` Kai Krakow
-- strict thread matches above, loose matches on Subject: below --
2013-07-31 22:10 Mike Audia
2013-07-31 22:56 ` Zach Brown
2013-08-01 15:40 ` David Sterba
2013-08-01 17:59 ` Zach Brown
[not found] ` <20130731225640.GO32145@lenny. home.zabbo.net>
2013-08-01 3:11 ` Duncan
2013-08-02 20:58 Mike Audia
2013-08-03 8:33 ` Duncan
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