From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH 3/8] xfs: make the log ticket transaction id random
Date: Tue, 13 Apr 2010 14:12:25 -0400 [thread overview]
Message-ID: <20100413181225.GB5043@infradead.org> (raw)
In-Reply-To: <20100405233910.GA11036@dastard>
On Tue, Apr 06, 2010 at 09:39:10AM +1000, Dave Chinner wrote:
> Ideally, yes. However, I didn't want to introduce a global
> monatomically increasing counter into the transaction code. I'm
> seeing upwards of 50-60k transactions/s on my test box - that's
> getting into the range where reliable global counters become
> scalability limitations. I know this can be solved, but it is
> somewhat complex and I'm not sure at this point that the complexity
> is necessary. What do you think?
I think making log revoery absolutely fail proof is nessecary, but for
now your version defintively is an improvment over the current version,
so ACK.
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next prev parent reply other threads:[~2010-04-13 18:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-01 12:41 [PATCH 0/8] xfs: bug fixes, cleanups and tracing Dave Chinner
2010-04-01 12:41 ` [PATCH 2/8] xfs: don't warn on EAGAIN in inode reclaim Dave Chinner
2010-04-03 9:25 ` Christoph Hellwig
2010-04-01 12:41 ` [PATCH 3/8] xfs: make the log ticket transaction id random Dave Chinner
2010-04-03 9:31 ` Christoph Hellwig
2010-04-05 23:39 ` Dave Chinner
2010-04-13 18:12 ` Christoph Hellwig [this message]
2010-04-01 12:41 ` [PATCH 4/8] xfs: add log item recovery tracing Dave Chinner
2010-04-03 9:36 ` Christoph Hellwig
2010-04-05 23:40 ` Dave Chinner
2010-04-01 12:41 ` [PATCH 5/8] xfs: convert the per-mount dquot list to use list heads Dave Chinner
2010-04-03 9:59 ` Christoph Hellwig
2010-04-01 12:41 ` [PATCH 6/8] xfs: remove duplicate code from dquot reclaim Dave Chinner
2010-04-03 10:00 ` Christoph Hellwig
2010-04-01 12:41 ` [PATCH 7/8] xfs: convert the dquot hash list to use list heads Dave Chinner
2010-04-03 10:00 ` Christoph Hellwig
2010-04-01 12:41 ` [PATCH 8/8] xfs: convert the dquot free " Dave Chinner
2010-04-03 10:00 ` Christoph Hellwig
2010-04-03 10:02 ` [PATCH 9/8] xfs: remove xfs_dqmarker Christoph Hellwig
2010-04-05 23:20 ` Dave Chinner
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