[
https://issues.apache.org/jira/browse/HIVE-15788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Murali Vemulapati updated HIVE-15788:
-------------------------------------
Attachment: HIVE-15788.patch
Please review the patch.
> 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
> Assignee: Murali Vemulapati
> Attachments: HIVE-15788.patch
>
>
> 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.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
