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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2016/05/12 21:06:13 UTC

[jira] [Updated] (PIG-4874) Remove schema tuple reference overhead for replicate join hashmap

     [ https://issues.apache.org/jira/browse/PIG-4874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rohini Palaniswamy updated PIG-4874:
------------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Committed to trunk. Thanks for the review Daniel.

> Remove schema tuple reference overhead for replicate join hashmap
> -----------------------------------------------------------------
>
>                 Key: PIG-4874
>                 URL: https://issues.apache.org/jira/browse/PIG-4874
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Rohini Palaniswamy
>            Assignee: Rohini Palaniswamy
>             Fix For: 0.16.0
>
>         Attachments: PIG-4874-1.patch, PIG-4874-2.patch
>
>
> Currently even if pig.schematuple is set to false which is the default, the usage of TupleToMapKey and TuplesToSchemaTupleList instead of plain HashMap<Object, ArrayList<Tuple>> costs a lot of memory.  Also key is currently converted to a tuple which is unnecessary. 



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