From: Pat Regan <thehead@patshead.com>
To: Roman Kapusta <roman.kapusta@gmail.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: some issues with lots of snapshots
Date: Sat, 30 Oct 2010 15:12:03 -0400 [thread overview]
Message-ID: <20101030151203.44790cdb@zaphod> (raw)
In-Reply-To: <AANLkTi=r+Q4Q8wEC9SB6wG9zFF1nmTwQ=qQ7=6vxbu2Z@mail.gmail.com>
On Fri, 29 Oct 2010 08:31:05 +0200
Roman Kapusta <roman.kapusta@gmail.com> wrote:
> On Fri, Oct 29, 2010 at 00:03, Pat Regan <thehead@patshead.com> wrote=
:
> > On Wed, 27 Oct 2010 10:39:48 +0200
> > Xavier Nicollet <nicollet@jeru.org> wrote:
> >
> >> Le 26 octobre 2010 =E0 15:15, Pat Regan a =E9crit:
> >> > I turned off the 5-minute snapshots and I'm now just keeping 4
> >> > weekly, 7 daily, and 24 hourly snapshots alive.
> >>
> >> I have just rebooted and I am going with /15 minutes interval.
> >>
> >
> > I'm just replying so this is documented somewhere.
> >
> > After I read your message I decided to turn on snaphots at 15 minut=
e
> > intervals yesterday. =A0This morning I had snapshot processing
> > filling up my process list again.
>=20
> I think there is no problem with snapshot creation every 5 or 15
> minutes, but problem is with deleting old snapshots every 5 or 15
> minutes. Can you try to run cleanup of old snapshots only once per da=
y
> to check if it will improve?
Reducing the frequency of snapshot removal sure did work. I started
with a pretty large amount of time between snapshot removal jobs and I
have been decreasing that number. I have been running with a 1 hour
delay between snapshot removals for almost 24 hours so far with no
problems.
Pat
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prev parent reply other threads:[~2010-10-30 19:12 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
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 [this message]
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