[thredds] Updating an aggregation that is done through an ncml file

• To: THREDDS community <thredds@xxxxxxxxxxxxxxxx>
• Subject: [thredds] Updating an aggregation that is done through an ncml file
• From: Roy Mendelssohn - NOAA Federal <roy.mendelssohn@xxxxxxxx>
• Date: Wed, 20 Mar 2013 13:58:56 -0700

Hi All:

We are trying to aggregate some HDF4 files by using an .ncml file in the data 
directory that does all the dirty work of properly adding dimensions and 
aggregating the files, and then pointing to that file in the base catalog.xml.

So far, I have only been able to get this to work if I use a /datascan element, 
and filter for *.ncml.  Is there a better or preferred way to do this?

One reason for wanting this setup, is so we can update the aggregation info  
(we are listing all of files in the .ncml file) as new files are added, without 
having to restart the tomcat.  I have never totally understood how the scour 
and maxAge times in the threddsConfig file work, but when I change the .ncml 
file to add a new dataset, and have my scour at 5 minutes, I still do not see 
the change.  If I do a restart I see the change.  This is even if I do several 
access of the dataset.  Any help on how things should be set so that the update 
occurs in some reasonable timeframe would be appreciated.

Thanks,

-Roy M.


**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

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