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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-7492) Enhance SparkCollector
Date Wed, 30 Jul 2014 01:25:38 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuefu Zhang reassigned HIVE-7492:
---------------------------------

    Assignee: Venki Korukanti

Assign to Venki to move this forward. Preferrably, use existing Hive's classes.

> Enhance SparkCollector
> ----------------------
>
>                 Key: HIVE-7492
>                 URL: https://issues.apache.org/jira/browse/HIVE-7492
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Venki Korukanti
>
> SparkCollector is used to collect the rows generated by HiveMapFunction or HiveReduceFunction.
It currently is backed by a ArrayList, and thus has unbounded memory usage. Ideally, the collector
should have a bounded memory usage, and be able to spill to disc when its quota is reached.



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