[jira] [Assigned] (HDDS-1572) Implement a Pipeline scrubber to maintain healthy number of pipelines in a cluster

["Li Cheng (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-1572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Li Cheng reassigned HDDS-1572:
------------------------------

    Assignee: Li Cheng

> Implement a Pipeline scrubber to maintain healthy number of pipelines in a cluster
> ----------------------------------------------------------------------------------
>
>                 Key: HDDS-1572
>                 URL: https://issues.apache.org/jira/browse/HDDS-1572
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: SCM
>            Reporter: Siddharth Wagle
>            Assignee: Li Cheng
>            Priority: Major
>
> The design document talks about initial requirements for the pipeline scrubber.
> - Maintain a datastructure for datanodes violating the pipeline membership soft upper bound.
> - Scan the pipelines that the nodes are a part of to select candidates for teardown.
> - Scan pipelines that do not have open containers currently in use and datanodes are in violation.
> - Schedule tear down operation if a candidate pipeline is found.



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