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https://issues.apache.org/jira/browse/PIG-1447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12900435#action_12900435
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Thejas M Nair commented on PIG-1447:
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I am wrong about multi-query being a big cause for concern in raising this
parameter value - the sub-plans for each query in multi-query are executed one
at a time for a given tuple with large bags. So the number of large bags that
can't be garbage collected would be similar to that of single query. 15%
default value seems to be reasonably safe.
> Tune memory usage of InternalCachedBag
> --------------------------------------
>
> Key: PIG-1447
> URL: https://issues.apache.org/jira/browse/PIG-1447
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: 0.7.0
> Reporter: Daniel Dai
> Assignee: Thejas M Nair
> Fix For: 0.8.0
>
> Attachments: L15_modified.pig, L15_modified2.pig
>
>
> We need to find a better value for "pig.cachedbag.memusage".
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