In <[EMAIL PROTECTED]> on 27 Feb 2004,
Mark Maunder <[EMAIL PROTECTED]> wrote:
> Anyone know if the linux filesystem cache caches directory
> information. I.e., does a stat by apache guarantee disk access?
This is almost certainly filesystem dependent; but for the usual
filesystems (ext2, ext3, reiserfs, . . .) and options, yes, stat
uses the cache.
This is easily verified by doing
perl -e 'for (;;) { stat("filename"); };'
and using 'vmstat 1' or other tools to monitor the resultant disk
activity.
-ccwf
--
Charles C. Fu
Founder
Web i18n, LLC
www.web-i18n.net
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