Deepak Jaiswal updated HIVE-18910:
    Attachment: HIVE-18910.5.patch

> Migrate to Murmur hash for shuffle and bucketing
> ------------------------------------------------
>                 Key: HIVE-18910
>                 URL: https://issues.apache.org/jira/browse/HIVE-18910
>             Project: Hive
>          Issue Type: Task
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>            Priority: Major
>         Attachments: HIVE-18910.1.patch, HIVE-18910.2.patch, 
> HIVE-18910.3.patch, HIVE-18910.4.patch, HIVE-18910.5.patch
> Hive uses JAVA hash which is not as good as murmur for better distribution 
> and efficiency in bucketing a table.
> Migrate to murmur hash but still keep backward compatibility for existing 
> users so that they dont have to reload the existing tables.

This message was sent by Atlassian JIRA

Reply via email to