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Posted to hdfs-issues@hadoop.apache.org by "Deepak Majeti (JIRA)" <ji...@apache.org> on 2017/10/26 20:33:00 UTC
[jira] [Updated] (HDFS-12724) Add retry logic when data node block
moves while reading
[ https://issues.apache.org/jira/browse/HDFS-12724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Deepak Majeti updated HDFS-12724:
---------------------------------
Status: Patch Available (was: Open)
> Add retry logic when data node block moves while reading
> --------------------------------------------------------
>
> Key: HDFS-12724
> URL: https://issues.apache.org/jira/browse/HDFS-12724
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Deepak Majeti
> Assignee: Deepak Majeti
>
> It is possible for a data node block to move due to re-balance.
> Libhdfs++ must try a replica block when a block re-balance happens while reading data from that block.
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