meetdestiny opened a new pull request, #17599:
URL: https://github.com/apache/beam/pull/17599
**Please** add a meaningful description for your change here
The 4MC (4 More Compression) is a library for hadoop providing a new
splittable compressed file format (4mc) which lets you leverage the power of
LZ4 and ZSTD algorithms.
It differs from other compressed file formats in a way that the output files
can be read using HIVE partitioning. This PR allows Dataflow to write files in
4MC compression format.
------------------------
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