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https://issues.apache.org/jira/browse/HADOOP-5912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788644#action_12788644
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Vinod K V commented on HADOOP-5912:
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bq. Can you elaborate on the issue as well as why a documentation bug is a
blocker ?
On linux, for the sake of security and for running the tasks as the user
themselves, TaskTracker uses LinuxTaskController binary. This can err out in
various scenarious and the exit codes reflect the reason for failure. Currently
the binary has a lot of exit codes(see
_src/c++/task-controller/task-controller.h_), each signifying a particular type
of error, but the exit codes are not yet documented. This issue should address
this.
It is usual around here to fix documentation bugs as blockers as they won't add
any new feature per se.
> Document exit codes and their meanings used by linux task controller
> --------------------------------------------------------------------
>
> Key: HADOOP-5912
> URL: https://issues.apache.org/jira/browse/HADOOP-5912
> Project: Hadoop Common
> Issue Type: Improvement
> Components: documentation
> Reporter: Sreekanth Ramakrishnan
> Priority: Blocker
> Fix For: 0.21.0
>
>
> Currently, linux task controller binary uses a set of exit code, which is not
> documented. These should be documented.
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