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

20031121: LDM and viability of multiple instances of pqact

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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: 20031121: LDM and viability of multiple instances of pqact
  • Date: Fri, 21 Nov 2003 14:53:32 -0700
Art,

Chiz wrote:

> When pqact starts up, it is looking at the end of the product queue
> (unless the -o option is used). So, if you restart the LDM, and pqact
> had fallen behind in its processing of the queue, you would lose that
> state information on restart- eg, your pqact output would be skipping
> those products bewteen where it was when it was shut down and where
> the end of the queue is when it restarts. This would happen anytime
> pqact was behind on processing (single or multiple pqact instances).
>
> I'll CC Steve Emmerson in case he has a different view.

I think Chiz is ritht on.

This is a good argument for restarting the LDM only during data lulls.

--Steve Emmerson