Hi,
1024 is nothing for a serious server. I never found any good reason to
limit it. Just to give an example, all the 60-70 ALICE sites use 65500,
and that problem never appears.
Fabrizio
Patrick McGuigan ha scritto:
> Hi,
>
> I am having an issue with one of our data servers and it may be getting
> overloaded with requests from clients.
>
> The symptoms are that the load on the SRM machine will get very large
> because threads there are talking through XrootdFS for various
> connections to the dataserver. Various activities related to Xrootd
> will fail (SRM get's hung, gridftp servers won't send data).
>
> When logged into the dataserver and running strace on the xrootd service
> I see that it has a problem in accept() because of too many open files.
>
> If I do a netstat I see that xrootd is holding a large number of sockets
> in a CLOSE_WAIT state.
>
> I am trying to understand if the problems that I am seeing are because
> the limits (1024 open FD's) given to xrootd are too small or if the
> problem with xrootd is that the service is too overloaded and this is
> causing xrootd to hang on to too many sockets.
>
> Regards,
>
> Patrick
>
>
>
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