Hi Manny,
What is the limit on the number of file descriptors? Was that not also
raised beyond the default (1024)?
Pete
On Mon, Dec 13, 2004 at 02:34:03PM -0800, Emmanuel Olaiya wrote:
> Hi Andy
>
> Here is some more information on the problem we are seeing at RAL
> regarding the creation of worker threads.
>
> The number of allowed processes on both the redirector and the server is
> set to 29000 with the max number allowed set to 30000
>
> /afs/slac.stanford.edu/u/br/olaiya/tmp/proc.txt
>
> Starting 448 jobs (2 jobs on each batch machine), accessing data via
> xrootd we start to see the following output in the server log:
>
> 041205 02:57:58 24692 XrdScheduler: Unable to create worker thread ;
> resource temporarily unavailable
> 041205 02:58:02 24600 XrdScheduler: Unable to create worker thread ;
> resource temporarily unavailable
>
> ( The full log is here:
> /afs/slac.stanford.edu/u/br/olaiya/tmp/xrdlog.20041205 )
>
> This happens when the number of opens file reaches ~340. At the same
> time when listing the open files we see some of the connections are
> flagged with (CLOSE_WAIT).
>
> The output of lsof on the server can be found here:
>
> /afs/slac.stanford.edu/u/br/olaiya/tmp/server_lsof.txt
>
> Is there some other setting I should tweak in order to allow the
> creation of more worker threads?
>
> cheers
>
> Manny
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Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644
Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland
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