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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2015/07/13 20:47:05 UTC

[jira] [Reopened] (HDFS-8652) Track BlockInfo instead of Block in CorruptReplicasMap

     [ https://issues.apache.org/jira/browse/HDFS-8652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao reopened HDFS-8652:
-----------------------------

> 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, HDFS-8652.002.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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