Re: overcoming netcdf3 limits

• To: Robert Latham <robl@xxxxxxxxxxx>
• Subject: Re: overcoming netcdf3 limits
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Tue, 24 Apr 2007 11:31:20 -0600

Hi Rob:

Could you give use case(s) where the limits are being hit?
I'd be interested in actual dimension sizes, number of variables, whether you 
are using a record dimension, etc.

Robert Latham wrote:

Hi

Over in Parallel-NetCDF land we're running into users who find even

the CDF-2 file format limitations, well, limiting.

http://www.unidata.ucar.edu/software/netcdf/docs/netcdf/NetCDF-64-bit-Offset-Format-Limitations.html

http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#Large%20File%20Support10

If we worked up a CDF-3 file format for parallel-netcdf (off the top
of my head, maybe a 64 bit integer instead of an unsigned 32 bit
integer could be used to describe variables), would the serial netcdf
folks be interested, or are you looking to the new netcdf-4 format to
take care of these limits?

Thanks
==rob

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