# VTKHDF proposal: Support splitting datasets in multiple files

**URL:** https://discourse.vtk.org/t/vtkhdf-proposal-support-splitting-datasets-in-multiple-files/13797
**Category:** Development
**Tags:** proposal, file-formats
**Created:** [April 26, 2024, 8:47am UTC](https://discourse.vtk.org/t/vtkhdf-proposal-support-splitting-datasets-in-multiple-files/13797 "2024-04-26T08:47:26Z")
**Posts on this page:** 1
**Showing post:** 15

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### Author: ![Jacques-Bernard](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/j/f05b48/32.png) [@Jacques-Bernard](https://discourse.vtk.org/u/Jacques-Bernard)
#### Post date: [May 3, 2024, 1:46pm UTC](https://discourse.vtk.org/t/vtkhdf-proposal-support-splitting-datasets-in-multiple-files/13797/15 "2024-05-03T13:46:51Z")

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> [@Louis\_Gombert](#):
>
> The VTKHDF reader currently does not use HDF/MPI-IO, but the VTK MPI implementation, which makes sense as a VTK filter and is easier to integrate with the rest of the VTK API.

I completely understand, functionality above all.  
It could be interesting in an HPC context to have a reader using HDF/MPI-IO (this nevertheless remains to be verified).

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