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From: Mark Goodwin <markgw@sgi.com>
To: lachlan@sgi.com
Cc: xfs-dev <xfs-dev@sgi.com>, xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH] Increase the default size of the reserved blocks pool
Date: Tue, 30 Sep 2008 13:26:17 +1000	[thread overview]
Message-ID: <48E19C59.7090303@sgi.com> (raw)
In-Reply-To: <48E097B5.3010906@sgi.com>



Lachlan McIlroy wrote:
> The current default size of the reserved blocks pool is easy to deplete
> with certain workloads, in particular workloads that do lots of concurrent
> delayed allocation extent conversions.  If enough transactions are running
> in parallel and the entire pool is consumed then subsequent calls to
> xfs_trans_reserve() will fail with ENOSPC.  Also add a rate limited
> warning so we know if this starts happening again.
> 

Should we also change the semantics of the XFS_SET_RESBLKS ioctl
so that the passed in value is the minimum required by the caller,
i.e. silently succeed if the current value is more than that?

Cheers
-- Mark

  reply	other threads:[~2008-09-30  3:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-29  8:54 [PATCH] Increase the default size of the reserved blocks pool Lachlan McIlroy
2008-09-30  3:26 ` Mark Goodwin [this message]
2008-09-30  4:25   ` Dave Chinner
2008-09-30  6:08     ` Lachlan McIlroy
2008-09-30  6:37       ` Dave Chinner
2008-09-30  4:11 ` Dave Chinner
2008-09-30  4:29   ` Dave Chinner
2008-09-30  6:19   ` Lachlan McIlroy
2008-09-30  6:40     ` Dave Chinner

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