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Re: Questions regarding journal replay
- From: Ralf Hildebrandt <Ralf Hildebrandt charite de>
- To: ext3-users redhat com
- Subject: Re: Questions regarding journal replay
- Date: Wed, 25 Feb 2009 22:47:14 +0100
* Theodore Tso <tytso mit edu>:
> On Wed, Feb 25, 2009 at 08:01:31PM +0100, Ralf Hildebrandt wrote:
> > * Theodore Tso <tytso mit edu>:
> >
> > > Increasing the journal size may speed up certain filesystem workloads
> > > which are causing the journal to wrap very frequently. However,
> > > increasing the journal *will* increase the time to replay the journal....
> >
> > Indeed. This is a Maildir-style mailbox server. Many small writes,
> > reads and deletes.
> >
> > > How long did the journal replay take when you were using the 128MB
> > > internal inode?
> >
> > 800s
>
> So maybe I missed it, but about how long did it take with your 32GB
> external journal?
One hour
:(
--
Ralf Hildebrandt Ralf Hildebrandt charite de
Charite - Universitätsmedizin Berlin Tel. +49 (0)30-450 570-155
Geschäftsbereich IT | Abt. Netzwerk Fax. +49 (0)30-450 570-962
Hindenburgdamm 30 | 12200 Berlin
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