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https://issues.apache.org/jira/browse/HADOOP-7722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hitesh Shah updated HADOOP-7722:
--------------------------------
Status: Patch Available (was: Open)
> Support a stop command in ShellCommandExecutor
> -----------------------------------------------
>
> Key: HADOOP-7722
> URL: https://issues.apache.org/jira/browse/HADOOP-7722
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.23.0
> Reporter: Hitesh Shah
> Priority: Minor
> Fix For: 0.23.0
>
> Attachments: HADOOP-7722.1.patch
>
>
> Add a stop function call to Shell so as to either stop the process from
> getting started if not already done so or destroy the process if it already
> has started.
> Context of usage:
> There can be race conditions when trying to kill an execution as the
> shell::execute call is blocking and using the getProcess call is not a
> feasible option as there can be a delay between the execute call and when the
> process object is actually created ( after which it can be used to kill the
> running sub-process ).
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