Support Hadoop 4mc file format
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core
java
new feature
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Description
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 - thus queries can be fast and reads from client applications can be very pointed to small compressed files stored on GCS.
Imported from Jira [BEAM-14452](https://issues.apache.org/jira/browse/BEAM-14452). Original Jira may contain additional context.
Reported by: meetdestiny@gmail.com.
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