Csaba Ringhofer created HIVE-24831:
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Summary: Support writing bloom filters in Parquet
Key: HIVE-24831
URL: https://issues.apache.org/jira/browse/HIVE-24831
Project: Hive
Issue Type: New Feature
Components: Parquet
Reporter: Csaba Ringhofer
Parquet-mr 1.12.0 will add support for reading and writing Bloom filters.
Reading doesn't need any action from Hive side, as it will be applied
automatically if there is an Eq predicate on a column and the file contains a
bloom filter.
Writing needs some configuration, as Parquet-mr doesn't write bloom filters by
default.
Similar table properties could be used as in ORC, e.g.
'orc.bloom.filter.columns' to set the columns where Parquet-mr should write
bloom filters. The same table property could be used by both Hive and Impala
for the same purpose.
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