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Posted to hdfs-issues@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2017/04/19 22:10:42 UTC
[jira] [Updated] (HDFS-11493) Ozone: SCM: Add the ability to
handle container reports
[ https://issues.apache.org/jira/browse/HDFS-11493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anu Engineer updated HDFS-11493:
--------------------------------
Attachment: HDFS-11493-HDFS-7240.001.patch
container-replication-storage.pdf
[~szetszwo], [~xyao], [~cheersyang], [~yuanbo], [~linyiqun], [~vagarychen], [~msingh] This is the document that discusses how SCM will use pools for replication. The first part of the patch will be uploaded soon. I am breaking up the patches into multiple patches to make it easy to code review.
I still have to create the part that actually issues commands for replication, this patch simple finds containers that are either over replicated or under replicated. But the attached document gives an end-to-end view of what we want to achieve. Please do leave me comments on the doc. I would be extremely thankful if you can take some time to code review this patch, since this is a critical part of SCM.
> Ozone: SCM: Add the ability to handle container reports
> ---------------------------------------------------------
>
> Key: HDFS-11493
> URL: https://issues.apache.org/jira/browse/HDFS-11493
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Anu Engineer
> Assignee: Anu Engineer
> Attachments: container-replication-storage.pdf, HDFS-11493-HDFS-7240.001.patch
>
>
> Once a datanode sends the container report it is SCM's responsibility to determine if the replication levels are acceptable. If it is not, SCM should initiate a replication request to another datanode. This JIRA tracks how SCM handles a container report.
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