Alex, I am sorry, I was wrong. HDF5 1.8.8 should support attributes bigger than 64KB. Could you please send the example of failing program to [email protected]?
Thank you! Elena On Jan 3, 2012, at 11:03 PM, Elena Pourmal wrote: > Alex, > > HDF5 doesn't support attributes bigger than 64K. Dense storage was introduced > to handle large numbers of attributes, but not a bigger size. > > Are you saying that you cannot create an attribute bigger than 16KB (and less > than 64K)? If so, an example program that demonstrates the issue will be > highly appreciated. > > Thank you! > > Elena > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Elena Pourmal The HDF Group http://hdfgroup.org > 1800 So. Oak St., Suite 203, Champaign IL 61820 > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > On Dec 28, 2011, at 1:17 PM, AV wrote: > >> I tried to enable dense attribute storage by using >> H5Pset_attr_phase_change() with both max_compact and min_dense set to zero. >> However it did not work and attributes are still stored in the object >> header. That causes the application to fail when attribute size reaches 64K. >> Analyzing the HDF5 codes I found that since the latest_format property is >> set (by default) to false the dense storage request is simply ignored. I >> tried to set it to true by using H5Pset_libver_bounds(id, H5F_LIBVER_LATEST, >> H5F_LIBVER_LATEST). As a result however the application started to crash. I >> use 1.8.6. If anybody was able to use dense storage for attributes larger >> than 16K please share your thoughts. Thanks, Alex >> View this message in context: Dense storage for large attributes in 1.8 >> Sent from the hdf-forum mailing list archive at Nabble.com. >> _______________________________________________ >> Hdf-forum is for HDF software users discussion. >> [email protected] >> http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
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