Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/3488#issuecomment-64907664
Have you seen any performance benefits from GZIP vs LZF on real workloads?
I don't think we should necessarily include a lot of codecs here because the
fragmentation leads to more support burden (we've in the past had issues that
only affected on codec and not another). Snappy was added because on a bunch of
profiled workloads it improved performance.
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