yabola opened a new pull request, #1023:
URL: https://github.com/apache/parquet-mr/pull/1023
Bloomfilter needs to load from filesystem, it may costs time and space. If
we can exactly determine the existence/nonexistence of the value from other
filters , then we can avoid using Bloomfilter to Improve performance.
When the minMax values in StatisticsFilter is same, we can exactly
determine the existence/nonexistence of the value.
When we have page dictionaries, we can also determine the
existence/nonexistence of the value.
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