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https://issues.apache.org/jira/browse/HDFS-8619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14596932#comment-14596932
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Zhe Zhang commented on HDFS-8619:
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Thanks Jing! I meant to say all changes, including the main
{{CorruptReplicasMap}} change LGTM overall and look applicable for trunk.
Should we just retarget the JIRA to trunk?
> Erasure Coding: revisit replica counting for striped blocks
> -----------------------------------------------------------
>
> Key: HDFS-8619
> URL: https://issues.apache.org/jira/browse/HDFS-8619
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-8619.000.patch
>
>
> Currently we use the same {{BlockManager#countNodes}} method for striped
> blocks, which simply treat each internal block as a replica. However, for a
> striped block, we may have more complicated scenario, e.g., we have multiple
> replicas of the first internal block while we miss some other internal
> blocks. Using the current {{countNodes}} methods can lead to wrong decision
> in these scenarios.
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