Dale, what are your upstream hosts?
gerry
On Wed, Apr 24, 2013 at 12:13 PM, Morris, Dale A. <dmorris@xxxxxx> wrote:
> We are having an unusual problem with LDM. We are running the AWIPS-2
> version of LDM that is redistributed by Raytheon and the NWS (the versions
> are based on ldm-6.8.1).
>
> We have an upstream LDM box that feeds two downstream LDMs with similar
> pqact.conf and ldmd.conf files. One box simply writes files out for an
> archive, while the other box writes data in the same structure, but also is
> connected to AWIPS-2 (using edexBridge) sending messages for ingest and
> processing. When running a pqutil command (e.g., pqutil -w -f NIMAGE
> ldm.pq) on both downstream boxes we verify that each product queue is
> updated very nearly simultaneously. However, we see one box write out its
> data instantaneously while the other may be delayed by 20 or more minutes .
> Yesterday the ldm that fed AWIPS-2 was behind, and today the archive box
> is behind. We made a hardware configuration change on the AWIPS-2 box
> today but no change whatsoever was made to the archive box.
>
> Does anyone have any ideas what could cause this behavior?
>
> Thanks,
>
> Dale Morris
> CIMMS/OU
> NWS/Warning Decision Training Branch
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--
Gerry Creager
NSSL/CIMMS
405.325.6371
++++++++++++++++++++++
“Big whorls have little whorls,
That feed on their velocity;
And little whorls have lesser whorls,
And so on to viscosity.”
Lewis Fry Richardson (1881-1953)
