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Posted to issues@ozone.apache.org by "Aswin Shakil Balasubramanian (Jira)" <ji...@apache.org> on 2022/08/10 21:13:00 UTC
[jira] [Commented] (HDDS-7022) EC: DN reported Open EC container may not get closed if SCM container was already closed state?
[ https://issues.apache.org/jira/browse/HDDS-7022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17578151#comment-17578151 ]
Aswin Shakil Balasubramanian commented on HDDS-7022:
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When a DN is Shutdown, SCM closes the pipeline and the containers associated with the DN. The {{NodeManager}} sends {{closePipeline}} and {{closeContainer}} commands to the DNs when it comes back as a response to DN heartbeat. In the event the commands on the NodeManager are gone (eg: SCM restart, SCM Leader Change). The EC Container is left OPEN forever. With the patch, the Replication Manager closes these OPEN replicas.
> EC: DN reported Open EC container may not get closed if SCM container was already closed state?
> -----------------------------------------------------------------------------------------------
>
> Key: HDDS-7022
> URL: https://issues.apache.org/jira/browse/HDDS-7022
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Uma Maheswara Rao G
> Assignee: Aswin Shakil Balasubramanian
> Priority: Major
> Labels: pull-request-available
>
> Recently when I am testing, I figured out some of the DN report container still present in Open state even though SCM side container is already closed. DN was shutdown before actually container close propagated to DN. And later DN restarted and that DN reported the container in Open state.
> I am not sure whether I am mossing something here, but it's worth to analyze.
>
> [~sodonnell]
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