All of lore.kernel.org
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=51FD3FDC.803@skagestad.org \
    --to=lists@skagestad.org \
    --cc=hurikhan77+btrfs@gmail.com \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.