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[LDM #XDI-772585]: Problems hanging our server possibly related to LDM?

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  • Subject: [LDM #XDI-772585]: Problems hanging our server possibly related to LDM?
  • Date: Tue, 23 Oct 2007 11:15:19 -0600
Greg,

What type of OS is running on ingest?  My first suspect for a problem
occurring at :45 after is cron.  Assuming linux, look in /etc/*cron*,
probably mrtg or the like...

mike

> Greg,
> 
> > Our problems continue with LDM and our server hanging/ Today the
> > load reached 6.o and ssh logins weren't working. ldm services had the
> > top 3 in the "TOP" command list.
> 
> What was the CPU usage of the LDM processes?
> 
> > We rebooted the machine. For odd
> > reasons, ldm is also not auto restarting when the machine comes up - I
> > had to delete the ldmd.pid file and the queue before I could restart.
> 
> That makes sense.  If the file "ldmd.pid" exists, then another LDM
> is likely running.  An "ldmadmin clean" removes this file.
> 
> > The last item in the ldmd.log file before the problem was:
> >
> > Oct 22 22:17:17 ingest usgodae3.fnmoc.navy.mil[20200] WARN: Future
> > product from "usgodae3.fnmoc.navy.mil".  Fix local or ingest clock.
> > 73413 20071022221801.297   FNMOC 000
> > US058GMET-GR1mdl.0058_0240_00000F0OF2007102218_0105_000100-000000wnd_ucmp
> 
> Either your clock is slow or the clock on usgodae3 is fast, or both.
> In any case, they should be fixed.
> 
> > Any ideas how ldm could get so busy? The problem occurred at ~1645 this
> > afternoon. When this problem occurs it always seem to be at :45. . .
> 
> The only thing I can think of is that a bunch of data arrives at that
> time.  Is a bunch of data being created on usgodae3 at that time?
> 
> > Greg
> >
> > ~~N~A~T~I~O~N~A~L~~C~E~N~T~E~R~~F~O~R~~A~T~M~O~S~.~~R~E~S~E~A~R~C~H
> > Greg Stossmeister                      e-mail: address@hidden
> > NCAR/EOL                               phone: (303)497-8692
> > P.O. Box 3000                          web: http://www.eol.ucar.edu
> > Boulder, CO 80307-3000
> > ~~~~~~~~E~A~R~T~H~~~O~B~S~E~R~V~I~N~G~~~L~A~B~O~R~A~T~O~R~Y~~~~~~~~
> 
> 
> Regards,
> Steve Emmerson


Ticket Details
===================
Ticket ID: XDI-772585
Department: Support LDM
Priority: Normal
Status: Closed