# \#h5

**URL:** https://discourse.scverse.org/tag/h5/30.md

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## [Reading in a 1.1 million cell HDF5 dataset](https://discourse.scverse.org/t/reading-in-a-1-1-million-cell-hdf5-dataset/375)

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**Author:** [@salwanbutrus](https://discourse.scverse.org/u/salwanbutrus)\
**Replies:** 4\
**Last updated:** [March 26, 2022, 11:54pm UTC](https://discourse.scverse.org/t/reading-in-a-1-1-million-cell-hdf5-dataset/375 "2022-03-26T23:54:20Z")

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Hello, I am trying to read in a huge dataset from the Allen atlas. File name is Gene expression matrix (HDF5) 5.3 GB. I tried the following script but even on UC Berkeley’s Savio computational cluster, I’m pausing it af…