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https://issues.apache.org/jira/browse/CHUKWA-5?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718673#action_12718673
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Mac Yang commented on CHUKWA-5:
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+1 on getting this into 0.2
> AdaptorId should be persistent even after an agent restart
> ----------------------------------------------------------
>
> Key: CHUKWA-5
> URL: https://issues.apache.org/jira/browse/CHUKWA-5
> Project: Hadoop Chukwa
> Issue Type: Bug
> Components: data collection
> Reporter: Jerome Boulon
> Assignee: Ari Rabkin
> Attachments: CHUKWA-5.patch
>
>
> In case of agent restart, an adaptor may not get the same adaptorId.
> 1)The adaptorId is sent back to the remote application after the Add command.
> Now, let suppose the agent dies and restarts.
> Each new adaptor created from the checkpoint will now have another adaptorId
> .
> If the remote application tries to stop/shutdown only using the adaptorId
> received in step (1), the command may be sent to the wrong adaptor.
> if the adaptorId in for example an MD5 of the command line we don't need to
> save any additional information inside the checkpoint.
> This will change the current API from int to String.
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