[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[LDM #MMY-812358]: Possible memory leak in ldm

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.


  • Subject: [LDM #MMY-812358]: Possible memory leak in ldm
  • Date: Wed, 08 Apr 2009 14:44:11 -0600

Bill,

> We are running version 6.6.5.
> 
> The files are not inserted into the queue at once.  There are never more
> than 2 of the 200-300 mb files in the queue at once.
> 
> I have tried queue sizes of 2GB.  That did not make any difference.  The
> entry for pqact on this product is to write it to disk.
> This doesn't seem to take very long.
> 
> We have more physical memory than the queue size.
> 
> > What operating system is running on the affected machine?  What version?
> 
> RedHat Enterprise Linux WS Release 4 (Nahant update 2)
> 
> > You should remove the "EXEC pqexpire" entry from the LDM configuration
> > file, ldmd.conf.  That program is deprecated (assuming you're using a
> > recent version of the LDM).
> 
> Thanks.  I will take that line out. Could this be causing the problem?

It's hard to say whether or not the pqexpire(1) process could be
causing the problem.  I would, however, definitely remove the entry
to see if that fixes the problem.  Let me know.

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: MMY-812358
Department: Support LDM
Priority: Normal
Status: Closed