Leigh Orf wrote:
> My concern - perhaps unfounded - is that the very small bits of what I
> call
> metadata (integers, lists of what variables are in the file, and other
> very
> small bits of data I write which describe stuff like the 3D data and is
> necessary for my reader code) will be placed after the huge 3d data such
> that accessing it will require long seeks through 3d data. The only reason
> I
> am worried about this is I noticed doing a h5dump on one of my small
> metadata datasets that it took more than 10 seconds to output data on one
> of
> my files. I got the impression that perhaps h5dump was having to make its
> way through the 3d arrays before getting to the metadata. However, my C
> code
> seemed to access the metadata quickly; perhaps it's an issue with h5dump.

I hit the same issue when inspecting metadata in some files.  `h5dump -H`
was what I needed.

- Daniel


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