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From "Nandakumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12616) Ozone: SCM: Open containers are not reused for block allocation after restart
Date Sat, 07 Oct 2017 16:58:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195791#comment-16195791
] 

Nandakumar commented on HDFS-12616:
-----------------------------------

My understanding was that  HDFS-12521 is for improving the performance by caching container
info in {{ContainerMapping}} during startup, my bad. I'm ok with closing either one of them.

> Ozone: SCM: Open containers are not reused for block allocation after restart
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-12616
>                 URL: https://issues.apache.org/jira/browse/HDFS-12616
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Nandakumar
>            Assignee: Nandakumar
>
> When SCM is restarted, previously opened containers are not loaded by {{ContainerStateManager}}.
This causes creation of new container for {{BlockManangerImpl#allocateBlock}} call.



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