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Posted to hdfs-issues@hadoop.apache.org by "Hanisha Koneru (JIRA)" <ji...@apache.org> on 2017/10/12 21:13:01 UTC
[jira] [Assigned] (HDFS-12648) DN should provide feedback to NN for
throttling commands
[ https://issues.apache.org/jira/browse/HDFS-12648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hanisha Koneru reassigned HDFS-12648:
-------------------------------------
Assignee: Hanisha Koneru
> DN should provide feedback to NN for throttling commands
> --------------------------------------------------------
>
> Key: HDFS-12648
> URL: https://issues.apache.org/jira/browse/HDFS-12648
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.8.0
> Reporter: Daryn Sharp
> Assignee: Hanisha Koneru
>
> The NN should avoid sending commands to a DN with a high number of outstanding commands. The heartbeat could provide this feedback via perhaps a simple count of the commands or rate of processing.
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