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Posted to issues@ozone.apache.org by "Xiaoyu Yao (Jira)" <ji...@apache.org> on 2019/12/13 05:23:00 UTC

[jira] [Updated] (HDDS-2176) Add new pipeline state “CLOSING” and new CLOSE_PIPELINE_STATUS command

     [ https://issues.apache.org/jira/browse/HDDS-2176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoyu Yao updated HDDS-2176:
-----------------------------
        Parent:     (was: HDDS-1564)
    Issue Type: Improvement  (was: Sub-task)

> Add new pipeline state “CLOSING” and new CLOSE_PIPELINE_STATUS command
> ----------------------------------------------------------------------
>
>                 Key: HDDS-2176
>                 URL: https://issues.apache.org/jira/browse/HDDS-2176
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Sammi Chen
>            Assignee: Sammi Chen
>            Priority: Major
>
> Currrent pipeline has 3 states,  ALLOCATED, OPEN and CLOSED. 
> When create pipeline command is sent out to datanodes from SCM, this pipeline is marked as ALLOCATED in SCM.  Once SCM received all 3 datanodes confirmation of pipelinee creation, SCM will change pipeline's state from ALLOCATED to OPEN.  
> Close pipeline process is similar.  Add a new CLOSING state to pipeline. When close pipeline command is sent out to datanodes, pipeline will be marked as CLOSING.  When all 3 datanode confirmed,  change pipeline state from CLOSING to CLOSED.



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