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https://issues.apache.org/jira/browse/PIG-138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olga Natkovich resolved PIG-138.
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Resolution: Won't Fix
Not clear that we need it and it will add complexity to the code
> Support for Multiple tmp directories and clean up
> -------------------------------------------------
>
> Key: PIG-138
> URL: https://issues.apache.org/jira/browse/PIG-138
> Project: Pig
> Issue Type: Improvement
> Environment: Pig Local
> Reporter: Amir Youssefi
> Assignee: Pi Song
>
> This is to separate additional improvements and original requirement on
> PIG-129 issue.
> Pasting comments of Pi Song.
> "I think the concept of multi-dir temp file creator (LocalDirAllocator in
> Hadoop) should be adopted to Pig. What it does is:-
> * You can set up a set of tmp file dirs in configuration (They can be on
> different physical drives so you can utilize more disk space)
> * When a temp file is being created, the system will probe the given temp
> dirs in round-robin fashion
> * For a selected temp dir, if it exists and you have permission to write,
> temp file will be created
> * For a selected temp dir, it it doesn't exist or you don't have
> permission to write, the temp dir will be kept in the black list, thus not
> being used later on.
> * For the next temp file, move on to the next temp dir
> "
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