On Fri, Nov 02, 2012 at 04:56:55PM -0400, Francesc Alted wrote: > Hmm, that's strange. Using lzo or zlib works for you?
Well, it seems that switching compression algorithms could be a nightmare (or can I do this with ptrepack?). However, I may have a workaround: I now open the HDF5 file with tables.openFile at the start of each process rather than inherit the file descriptor from the parent. That works, since it's just concurrent file I/O on the same read-only file, and the start-up overhead is acceptable in this case. Happy to try lzo or zlib, though, if you like. Cheers, Ben
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