Gopal V created HIVE-15788:
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Summary: Implement FastBloomFilter to use RoaringBitmap instead of
long[]
Key: HIVE-15788
URL: https://issues.apache.org/jira/browse/HIVE-15788
Project: Hive
Issue Type: Improvement
Components: UDF
Reporter: Gopal V
Currently, a bloom filter which is all 1s occupies the exact amount of space as
a bloom filter which is sparse.
This is an entire waste of space and produces memory pressure and generate a
massive number of cache misses.
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