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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (Reopened) (JIRA)" <ji...@apache.org> on 2012/04/01 00:48:26 UTC
[jira] [Reopened] (HDFS-2609)
DataNode.getDNRegistrationByMachineName can probably be removed or
simplified
[ https://issues.apache.org/jira/browse/HDFS-2609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon reopened HDFS-2609:
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> DataNode.getDNRegistrationByMachineName can probably be removed or simplified
> -----------------------------------------------------------------------------
>
> Key: HDFS-2609
> URL: https://issues.apache.org/jira/browse/HDFS-2609
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Eli Collins
>
> I noticed this while working on HDFS-1971: The {{getDNRegistrationByMachineName}} iterates over block pools to return a given block pool's registration object based on its {{machineName}} field. But, the machine name for every BPOfferService is identical - they're always constructed by just calling {{DataNode.getName}}. All of the call sites for this function are from tests, as well. So, maybe it's not necessary, or at least it might be able to be simplified or moved to a test method.
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