Too many open files

[Prabhpal S. Mavi]

Hello Shane,

thanks for your valuable response, this is brilliant. this is what i was
exactly looking for. very good command indeed.

Grateful for your kind assistance

Thanks / Regards

> On 26/03/2012 02:19, C. P. Ghost wrote:
>> On Sun, Mar 25, 2012 at 6:46 PM, Prabhpal S. Mavi
>> <prabhpal at digital-infotech.net>  wrote:
>>> Greetings Friends,
>>>
>>> have anyone has come across this warning / error? This occurs when i
>>> ssh
>>> to my FreeBSD 9.0 System. any help would be greatly appreciated.
>>>
>>> Warning:
>>> /usr/share/games/fortune/freebsd-tips.dat: Too many open files in
>>> system
>>> [mavi at titan ~]$ su
>>> su: pam_start: system error
>>>
>>> Thanks / Regards
>>> Prabhpal
>>
>> What does this command say on your system?
>>
>> % sysctl kern.maxfiles kern.maxfilesperproc kern.openfiles
>>
>> You may have exceeded the maximum number of open files
>> in the system. Maybe some ill-conceived program that doesn't
>> close non-needed connections, files, etc is at fault? It's easy
>> to open more and more files, and to gradually fill the open
>> files descriptor table in the kernel this way.
>>
>> -cpghost.
>>
>
>  From knowing that you have too many files open you can increase the
> maxfile numbers - but if you want to know what uses them try this -
>
> lsof -n | awk '{print $2 "\t" $1}' | sort | uniq -c | sort
>
> lsof outputs open file info, awk then gives us the PID and proc name
> which gets sorted and uniq gives a count of each which we sort to have
> the largest file count at the bottom of the list. What you end up with
> is a list of two numbers and a name - count of files open followed by
> the PID and proc name that has them open.
>
> The catch is that it also includes network connections (I know how to
> list only network but not sure how to exclude them)
>
> ps ax | grep PID
>
> will show you the full program name if it has been shortened.
>
> lsof -p PID
>
> will show all the open files for PID
>
> Not sure if this is the best way but it works for me.
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