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https://issues.apache.org/jira/browse/PIG-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruchir updated PIG-3866:
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Attachment: diff
> Create ThreadLocal classloader per PigContext
> ---------------------------------------------
>
> Key: PIG-3866
> URL: https://issues.apache.org/jira/browse/PIG-3866
> Project: Pig
> Issue Type: Wish
> Components: impl
> Affects Versions: 0.12.0
> Reporter: Ruchir
> Fix For: 0.13.0
>
> Attachments: diff
>
>
> For shared Hadoop environment, where there are large number of customers who
> submit PIG jobs for execution, it becomes very cumbersome to handle all
> support issue (ex providing access to CLI machine to every user, limiting
> user for submission etc).
> There is need to provide REST based interface for submitting PIG job/view PIG
> job status/view PIG request output, so that there is single entry point to
> cluster. With this, users are abstracted of Hadoop configuration and need to
> get access on machine. Also given it is hosted service, it is possible to
> provide rate limiting, QoS etc to user.
> We have designed such PIG self-service which provide REST APIs for all
> operations and this webapp runs under web container. In order to run multiple
> requests in same JVM, we need to create classloader per request thread.
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