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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12521) Ozone: SCM should read all Container info into memory when booting up
Date Thu, 26 Oct 2017 20:03:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anu Engineer updated HDFS-12521:
--------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7240
           Status: Resolved  (was: Patch Available)

[~linyiqun] and [~xyao] Thanks for the code reviews. 

[~ljain] Thanks for the contribution. I have committed this patch to the feature branch.


> Ozone: SCM should read all Container info into memory when booting up
> ---------------------------------------------------------------------
>
>                 Key: HDFS-12521
>                 URL: https://issues.apache.org/jira/browse/HDFS-12521
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Anu Engineer
>            Assignee: Lokesh Jain
>              Labels: ozoneMerge
>             Fix For: HDFS-7240
>
>         Attachments: HDFS-12521-HDFS-7240.001.patch, HDFS-12521-HDFS-7240.002.patch,
HDFS-12521-HDFS-7240.003.patch, HDFS-12521-HDFS-7240.004.patch, HDFS-12521-HDFS-7240.005.patch,
HDFS-12521-HDFS-7240.006.patch, HDFS-12521-HDFS-7240.007.patch, HDFS-12521-HDFS-7240.007.patch
>
>
> When SCM boots up it should read all containers into memory. This is a performance optimization
that allows delays on SCM side. This JIRA tracks that issue.



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