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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11284) [SPS]: Avoid running SPS under safemode and fix issues in target node choosing.
Date Sat, 07 Jan 2017 20:19:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15808082#comment-15808082
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Uma Maheswara Rao G commented on HDFS-11284:
--------------------------------------------

BTW, do you have a testcase for #3?  If yes, could you attach testcase alone as patch here?
As per the above discussions, after retry item should be removed as it should have satisfied
already.

> [SPS]: Avoid running SPS under safemode and fix issues in target node choosing.
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-11284
>                 URL: https://issues.apache.org/jira/browse/HDFS-11284
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Yuanbo Liu
>            Assignee: Yuanbo Liu
>         Attachments: TestSatisfier.java
>
>
> Recently I've found in some conditions, SPS is not stable:
> * SPS runs under safe mode.
> * There're some overlap nodes in the chosen target nodes.
> * The real replication number of block doesn't match the replication factor. For example,
the real replication is 2 while the replication factor is 3.



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