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why does /proc/sys/fs/file-nr not match total of /proc/<pid>/fd entries?

DISCUSSION Chris Friesen 1 participant 1 message Jan 20, 2011

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Someone asked me a question that I couldn't answer, so I'm passing it on to you.

Why do the values in /proc/sys/fs/file-nr not match up with the value given by "ls -al /proc/[0-9]*/fd/ | grep '>' | wc -l" ?

For instance, on my desktop /proc/sys/fs/file-nr gives "9728 0
306699" but the other command gives "2894".

Where is the discrepancy coming from?

Thanks,
Chris

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Chris Friesen
Software Developer
GENBAND
[email protected]
www.genband.com