[ 
https://issues.apache.org/jira/browse/HIVE-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Liyin Tang resolved HIVE-1702.
------------------------------

      Resolution: Won't Fix
    Release Note: JDBM will be removed from Hive

> optimize JDBM to make mapjoin faster
> ------------------------------------
>
>                 Key: HIVE-1702
>                 URL: https://issues.apache.org/jira/browse/HIVE-1702
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Liyin Tang
>
> Htree.get() cost 70% total time. It could help a lot if there is bloom filter 
> here to avoid unneeded get() if we know for sure the given key is not in 
> JDBM. (we can generate the bloom filter when doing the jdbm sink, and read 
> into memory when doing read. )
> Copied from https://issues.apache.org/jira/browse/HIVE-1700

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Reply via email to