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Posted to issues@ozone.apache.org by "maobaolong (Jira)" <ji...@apache.org> on 2020/06/01 12:59:00 UTC

[jira] [Created] (HDDS-3695) Ozone support key label and datanode group

maobaolong created HDDS-3695:
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             Summary: Ozone support key label and datanode group
                 Key: HDDS-3695
                 URL: https://issues.apache.org/jira/browse/HDDS-3695
             Project: Hadoop Distributed Data Store
          Issue Type: New Feature
          Components: om, SCM
            Reporter: maobaolong
             Fix For: 0.7.0
         Attachments: screenshot-1.png

Ozone should support Label, tag or group feature, then we can put key into a pipeline of specify datanode group. For the under replicated container replica, it should chooseDatanodes within a same datanode group too.

With this feature, we can put specify key into specify datanode group, for example, we have 100 new datanodes join the exist ozone cluster, so we want to put some test dataset into these datanode. Another side, we don't want to let important data store to the new coming datanode. 




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