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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:
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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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