[jira] [Created] (PARQUET-1495) Perform encoding before bloom filters write out

[Junjie Chen (JIRA)]

Junjie Chen created PARQUET-1495:
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             Summary: Perform encoding before bloom filters write out
                 Key: PARQUET-1495
                 URL: https://issues.apache.org/jira/browse/PARQUET-1495
             Project: Parquet
          Issue Type: Sub-task
          Components: parquet-cpp, parquet-mr
            Reporter: Junjie Chen


When entropy of bloom filter is low say nearly all 0 or all 1, we may want to 
consider to use encoding to save space.



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