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https://issues.apache.org/jira/browse/HDFS-8652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615674#comment-14615674
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Jing Zhao commented on HDFS-8652:
---------------------------------
Looks like the test
TestFileTruncate#testTruncateWithDataNodesRestartImmediately has a higher
chance to fail with the patch. I will do some more debugging.
> Track BlockInfo instead of Block in CorruptReplicasMap
> ------------------------------------------------------
>
> Key: HDFS-8652
> URL: https://issues.apache.org/jira/browse/HDFS-8652
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-8652.000.patch, HDFS-8652.001.patch
>
>
> Currently {{CorruptReplicasMap}} uses {{Block}} as its key and records the
> list of DataNodes with corrupted replicas. For Erasure Coding since a striped
> block group contains multiple internal blocks with different block ID, we
> should use {{BlockInfo}} as the key.
> HDFS-8619 is the jira to fix this for EC. To ease merging we will use jira to
> first make changes in trunk/branch-2.
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