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https://issues.apache.org/jira/browse/HDFS-12521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221120#comment-16221120
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Anu Engineer commented on HDFS-12521:
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+1, I will commit this shortly. I have applied this patch and tested this
locally.
> 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
> 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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