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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1621) Add CLI to list rows of <task attempt ID, container ID, host of container, state of container>
Date Tue, 03 Mar 2015 01:07:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-1621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344205#comment-14344205
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Naganarasimha G R commented on YARN-1621:
-----------------------------------------

Hi Bartosz Lugowski,
Overall Patch looks fine except for this few minor comments :
# instead of validations like {{id.startsWith(ApplicationId.appIdStrPrefix)}} and  {{id.startsWith(ApplicationAttemptId.appAttemptIdStrPrefix)}}
we could have {{ConverterUtils.toApplicationId(id);}} and on exception we can check for {{
ConverterUtils.toApplicationAttemptId(id)}}. 
# RM doesn't have completed containers so we can  avoid querying RM if requests is for Completed
containers only and TestClientRMService could avoid querying for completed containers 
# In most cases each application has only only 1 attempt and so can we think of displaying
similar to the output of getContainers for attemptID and for each attempt display number of
containers and attempt Id @ the top, thoughts?

> Add CLI to list rows of <task attempt ID, container ID, host of container, state of
container>
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-1621
>                 URL: https://issues.apache.org/jira/browse/YARN-1621
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.2.0
>            Reporter: Tassapol Athiapinya
>            Assignee: Bartosz Ɓugowski
>         Attachments: YARN-1621.1.patch, YARN-1621.2.patch, YARN-1621.3.patch, YARN-1621.4.patch
>
>
> As more applications are moved to YARN, we need generic CLI to list rows of <task
attempt ID, container ID, host of container, state of container>. Today if YARN application
running in a container does hang, there is no way to find out more info because a user does
not know where each attempt is running in.
> For each running application, it is useful to differentiate between running/succeeded/failed/killed
containers.
>  
> {code:title=proposed yarn cli}
> $ yarn application -list-containers -applicationId <appId> [-containerState <state
of container>]
> where containerState is optional filter to list container in given state only.
> <container state> can be running/succeeded/killed/failed/all.
> A user can specify more than one container state at once e.g. KILLED,FAILED.
> <task attempt ID> <container ID> <host of container> <state of container>

> {code}
> CLI should work with running application/completed application. If a container runs many
task attempts, all attempts should be shown. That will likely be the case of Tez container-reuse
application.



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