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Posted to hdfs-issues@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2015/03/17 23:38:39 UTC
[jira] [Issue Comment Deleted] (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 ]
Jing Zhao updated HDFS-7369:
----------------------------
Comment: was deleted
(was: Please tell me how i can use batch file HDFS-1783
https://issues.apache.org/jira/browse/HDFS-1783
Please)
> 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
>
>
> 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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