From: Pat Regan <thehead@patshead.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: some issues with lots of snapshots
Date: Tue, 26 Oct 2010 15:15:28 -0400 [thread overview]
Message-ID: <20101026151528.555ccee9@zaphod> (raw)
In-Reply-To: <20101026102853.GX13205@jeru.org>
On Tue, 26 Oct 2010 12:28:53 +0200
Xavier Nicollet <nicollet@jeru.org> wrote:
> I can't reproduce this right know, but it seems that creating lots of
> snapshots, one per minute (keeping only a dozens of them) may block
> the system. Every btrfs snap processes stay idle and the load
> skyrockets to 900.
>
> I use an old version: 2.6.34.5 kernel, and the system is still very
> responsive (web and mysql server).
I had the same thing happen with a 2.6.36-rc6 kernel on my laptop. My
cron jobs were creating snapshots and 5 minute intervals and keeping 12
of them active.
I turned off the 5-minute snapshots and I'm now just keeping 4 weekly, 7
daily, and 24 hourly snapshots alive.
Pat
next prev parent reply other threads:[~2010-10-26 19:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-26 10:28 some issues with lots of snapshots Xavier Nicollet
2010-10-26 19:15 ` Pat Regan [this message]
2010-10-27 8:39 ` Xavier Nicollet
2010-10-28 22:03 ` Pat Regan
2010-10-29 6:31 ` Roman Kapusta
2010-10-30 19:12 ` Pat Regan
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