From: Padraig Brady (padraig.brady at domain corvil.com)
Date: Thu 05 Sep 2002 - 11:18:42 IST
John P. Looney wrote:
> On Thu, Sep 05, 2002 at 10:44:40AM +0100, kevin lyda mentioned:
>
>>On Thu, Sep 05, 2002 at 09:55:16AM +0100, John P. Looney wrote:
>>
>>> I've a server running a lightly-loaded postgres install.
>>>
>>> Though lsof reckons only 1197 filehandles are in use, file-nr says
>>>differently.
>>>
>>>[root at domain jny06 /root]# lsof|wc -l
>>
>>i'm trying to work out how this message matches it's subject. anytime
>>i've had to debug fd leaks, i've looked in a specific /proc/<pid>/fd
>>dir to figure out why. wouldn't it be best to figure out exactly which
>>process is hogging fd's and try to rectify that issue?
>
>
> That's the wierd thing...
>
> [root at domain jny06 /proc]# ls -l /proc/*/fd/*|wc -l
> 231
> [root at domain jny06 /proc]#
>
> Which is *way* off.
That seems way too low. How many processes are you running?
I've:
# echo /proc/[1-9]*/ | wc -w
92
My file numbers seem much more sensible:
# echo /proc/[1-9]*/fd/* | wc -w
1190
# cat /proc/sys/fs/file-nr
2911 1019 52271
Note the above doesn't handle threads.
I.E. if you have a few nautilus threads for e.g.
their file handles will be counted multiple
times. I really wish Linux handled threads
better. Maybe with NGPT...
Padraig.
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