You could try 'strace -p <pid>', it might give a hint in terms of where it
is stuck if it is on a system call.

If it does seem to be overwhelming 2GB (strange, never had that problem
before), you could try opening /opt/xcat/sbin/xcatd and changing:
my $maxsslclients = 64; #default

To something like 16 or so to reduce the max pending process count.

On Wed, Sep 14, 2011 at 12:38 PM, Andrew Klaassen <[email protected]>wrote:

> I've tried putting a bunch of these:
>
> xCAT::MsgUtils->message("S", "getcredentials $client logpoint 3");
>
> ...into credentials.pm to see if I can spot where it's hanging, but it
> seems that only the processes that complete successfully print out their
> logs, so it hasn't helped.
>
> Is there a better way to track down what's causing the memory usage?  I'm
> not a Perl programmer, so I'll need explicit instructions.
>
> Thanks.
>
> Andrew
>
>
> --- On Wed, 9/14/11, Andrew Klaassen <[email protected]> wrote:
>
> > From: Andrew Klaassen <[email protected]>
> > Subject: Re: [xcat-user] rinstall memory usage
> > To: "xCAT Users Mailing list" <[email protected]>
> > Received: Wednesday, September 14, 2011, 7:54 AM
> > --- On Wed, 9/14/11, Jarrod B Johnson
> > <[email protected]>
> > wrote:
> >
> > > Does on particular process go away or stay?  E.g.
> > if you install
> > > just one, does it hang?
> >
> > There's no hang with just one install.  The server
> > only hangs when there are enough processes at once to push
> > it into swap.  That only happens once many
> > getcredentials processes start in parallel; the parts of the
> > install served by apache (i.e. serving out all the packages)
> > don't cause any problems.
> >
> > Andrew
> >
> >
> >
> >
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