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https://issues.apache.org/jira/browse/HIVE-18910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deepak Jaiswal updated HIVE-18910:
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Issue Type: Task (was: Bug)
> 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
>
> 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.
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