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SubjectRe: Performance of ext3 on large systems
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On Mon, 2003-02-17 at 10:29, John Bradford wrote:

> > ext3 doesn't implement noatime!? Hurg...

noatime is implemented.

> Actually, it makes sense in a way - noatime only speeds up reads, not
> writes, (access time is always updated on a write), whereas a
> journaled filesystem is presumably intended to be tuned for write
> performance. So, for it's intended usage, not implementing noatime
> shouldn't be a huge problem, although it would be useful.

But updating the access time _is_ a write, even if its due to a read.
And using 'noatime' does help, and it is implemented. I guess Andrew's
statement was just misinterpreted, because this is what he said.

Robert Love

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