Messages in this thread | | | Subject | Re: Performance of ext3 on large systems | From | Robert Love <> | Date | 17 Feb 2003 10:56:14 -0500 |
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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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