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Yes, 1024 for a proxy server is too few. Make it 2048. We start 
over-riding the soft limit in 3.3.6 as we run into this problem way too 
often.

Andy

On Thu, 16 Jan 2014, Matevz Tadel wrote:

> Hi Brian,
>
> On 01/16/14 11:18, Brian Bockelman wrote:
>> Hi Matevz,
>> 
>> I've seen this happen before, but never tracked it down.  Two thoughts:
>> 
>> 1) Did the process run out of file descriptors?
>> 2) Did you hit the thread limit?
>
> Don't really think so ... if anything, it would be a thread limit. I have 
> (from /proc/xxx/limits on current redirector, I stopped the old one before 
> massaging the log):
> Max processes             1024                 514545               processes
> Max open files            65536                65536                files
>
> Matevz
>
>> Many daemons (in general, don't know about Xrootd) tend to hit weird error 
>> conditions when this happens.
>> 
>> Brian
>> 
>> On Jan 16, 2014, at 1:15 PM, Matevz Tadel <[log in to unmask]> wrote:
>> 
>>> Hi,
>>> 
>>> I got the disk filled up during the night on the UCSD redirector with 
>>> stuff like this:
>>> ...
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> 140116 04:08:34 109203 XrdPoll: Sever event occured for 
>>> nagios.14319:[log in to unmask]
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> 140116 04:08:34 109203 XrdPoll: Sever event occured for 
>>> nagios.14319:[log in to unmask]
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> 140116 04:08:34 109203 XrdPoll: Sever event occured for 
>>> nagios.14319:[log in to unmask]
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> 140116 04:08:34 109203 XrdPoll: Sever event occured for 
>>> nagios.14319:[log in to unmask]
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> 140116 04:08:34 109203 XrdPoll: Sever event occured for 
>>> nagios.14319:[log in to unmask]
>>> 140116 04:08:34 109203 XrdPoll: Unable to exclude link 
>>> nagios.14319:[log in to unmask]; bad file descriptor
>>> ...
>>> 
>>> Any ideas? :) This was with 3.3.3.
>>> 
>>> Cheers,
>>> Matevz
>>> 
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>> 
>
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