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Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/03/18 23:59:39 UTC

[jira] [Resolved] (HDFS-7369) Erasure coding: distribute recovery work for striped blocks to DataNode

     [ https://issues.apache.org/jira/browse/HDFS-7369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhe Zhang resolved HDFS-7369.
-----------------------------
    Resolution: Fixed

> Erasure coding: distribute recovery work for striped blocks to DataNode
> -----------------------------------------------------------------------
>
>                 Key: HDFS-7369
>                 URL: https://issues.apache.org/jira/browse/HDFS-7369
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-7369-000-part1.patch, HDFS-7369-000-part2.patch, HDFS-7369-001.patch, HDFS-7369-002.patch, HDFS-7369-003.patch, HDFS-7369-004.patch
>
>
> This JIRA updates NameNode to handle background / offline recovery of erasure coded blocks. It includes 2 parts:
> # Extend {{UnderReplicatedBlocks}} to recognize EC blocks and insert them to appropriate priority levels. 
> # Update {{ReplicationMonitor}} to distinguish block codec tasks and send a new DataNode command.



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