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[IDV #ESN-459441]: "Always cache to disk" setting

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  • Subject: [IDV #ESN-459441]: "Always cache to disk" setting
  • Date: Fri, 12 Sep 2008 08:20:33 -0600
> Hello again,
> 
> Sorry to be bothering you guys all the time.
> 
No problem. 
> I am having trouble with using remote GFS data through the
> http://www.unidata.ucar.edu/georesources/idvcatalog.xml cataloge (IDV
> catalog/Unidata IDD Model Data/NFS-ATM/Global Forecast System
> Model/NCEP GFS Global 0.5 degree).
> 
> After having added a few fields to be plotted, IDV loses it completely,
> and starts generating an endless stream of "java.lang.OutOfMemoryError"
> messages. This never happens using a locally stored GFS GRIB2 file for
> plotting the same fields.
> 
> I think I have narrowed it down to the "Always cache to disk" setting
> for the data source (right-click/properties/properties), which I
> thought meant that downloaded data would be cached the specified time,
> allowing it to be reused for additional plots within the specified
> delay time without having it to be downloaded again (?). Enabling the
> "Always cache to disk" and setting the "Delay" number often leads to
> the out of memory error (large "Delay" values), sometimes to other
> interesting errors (small "Delay" errors). Disabling it and the errors
> do not occur, it seems.
> 

Can you send in a bundle that exhibits this behavior? If anything the 
cache-to-disk
flag would reduce memory use but it might be buggy.

-Jeff


Ticket Details
===================
Ticket ID: ESN-459441
Department: Support IDV
Priority: Normal
Status: Open