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
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