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Change default parquet compression format from Snappy to LZ4 #10647

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Change default parquet compression format from Snappy to LZ4 #10647

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Commits on Nov 24, 2023

  1. Change default parquet compression format from Snappy to LZ4 

    Snappy's status as default is maybe just due to history.  Snappy had
better Java support and LZ4 wasn't always available in systems like
Spark.  Today Spark and other systems support LZ4 as well, and LZ4
generally performs a bit better, especially on decompression.

This is a significant change, but I think the only reason not to do it
is historical, which I think maybe isn't a good enough reason these
days.
    @mrocklin
    mrocklin committed Nov 24, 2023
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