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https://issues.apache.org/jira/browse/PIG-1265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pradeep Kamath updated PIG-1265:
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Assignee: Pradeep Kamath (was: Pradeep Kamath)
Status: Patch Available (was: Open)
> Change LoadMetadata and StoreMetadata to use Job instead of Configuraiton and
> add a cleanupOnFailure method to StoreFuncInterface
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIG-1265
> URL: https://issues.apache.org/jira/browse/PIG-1265
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Pradeep Kamath
> Assignee: Pradeep Kamath
> Fix For: 0.7.0
>
> Attachments: PIG-1265.patch
>
>
> Speaking to the hadoop team folks, the direction in hadoop is to use Job
> instead of Configuration - for example InputFormat/OutputFormat
> implementations use Job to store input/output location. So pig should also do
> the same in LoadMetadata and StoreMetadata to be closer to hadoop.
> Currently when a job fails, pig assumes the output locations (corresponding
> to the stores in the job) are hdfs locations and attempts to delete them.
> Since output locations could be non hdfs locations, this cleanup should be
> delegated to the StoreFuncInterface implementation - hence a new method -
> cleanupOnFailure() should be introduced in StoreFuncInterface and a default
> implementation should be provided in the StoreFunc abstract class which
> checks if the location exists on hdfs and deletes it if so.
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