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[LDM #TBE-394001]: pqinsert producing pq_del_oldest(): MVRT product

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  • Subject: [LDM #TBE-394001]: pqinsert producing pq_del_oldest(): MVRT product
  • Date: Tue, 05 Apr 2011 10:30:43 -0600
Daryl,

> The LDM logs have them, they are not emitted from pqinsert.
> 
> Apr  5 11:10:52 iem60 iem-idd0.local[368] NOTE: pq_del_oldest(): MVRT
> product:     1508 20110405105848.866 NEXRAD3 134997270  SDUS71 KLWX 051055
> /pNETLWX [pq.c:4687]
> Apr  5 11:10:52 iem60 iem-idd0.local[368] NOTE: pq_del_oldest(): MVRT
> product:    13822 20110405105851.391 NEXRAD3 134997305  SDUS56 KSTO 051057
> /pN0RBBX [pq.c:4687]

OK.

I modified the product-queue library, pq(3), so that the messages in question 
are logged at the INFO level rather than the NOTICE level. This means that they 
won't appear unless you specify the verbose option, "-v", to pqinsert(1) or 
ldmd(1). This modification will be in the next release.

Since you already know where that message is emitted, you can make the same 
change to your source-code rather than wait for a new LDM release. Change the 
line

                    log_log(LOG_NOTICE);

to

                    log_log(LOG_INFO);

From the timestamps on the messages, it appears that your product-queue isn't 
large enough to guarantee rejection of duplication products: the size of your 
product-queue needs to reconciled with your maximum acceptable latency 
parameter (1 h).

> daryl
> 
> --
> /**
> * Daryl Herzmann
> * Assistant Scientist -- Iowa Environmental Mesonet
> * http://mesonet.agron.iastate.edu
> */


Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: TBE-394001
Department: Support LDM
Priority: Normal
Status: Closed