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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11716) Ozone: SCM: CLI: Revisit delete container API
Date Fri, 28 Apr 2017 02:13:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988058#comment-15988058
] 

Weiwei Yang commented on HDFS-11716:
------------------------------------

Oops .. forgot the add the ozone label.. thanks for fixing that [~anu].

> Ozone: SCM: CLI: Revisit delete container API
> ---------------------------------------------
>
>                 Key: HDFS-11716
>                 URL: https://issues.apache.org/jira/browse/HDFS-11716
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>
> Current delete container API seems can be possibly running into inconsistent state. SCM
maintains a mapping of container to nodes, datanode maintains the actual container's data.
When deletes a container, we need to make sure db is removed as well as the mapping in SCM
also gets updated. What if the datanode failed to remove stuff for a container, do we update
the mapping? We need to revisit the implementation and get these issues addressed. See more
discussion [here|https://issues.apache.org/jira/browse/HDFS-11675?focusedCommentId=15987798&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15987798].



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