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Posted to hdfs-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2016/10/20 15:35:58 UTC
[jira] [Updated] (HDFS-11034) Provide a command line tool to clear
decommissioned DataNode information from the NameNode without restarting.
[ https://issues.apache.org/jira/browse/HDFS-11034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Nauroth updated HDFS-11034:
---------------------------------
Assignee: Gergely Novák
> Provide a command line tool to clear decommissioned DataNode information from the NameNode without restarting.
> --------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-11034
> URL: https://issues.apache.org/jira/browse/HDFS-11034
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Chris Nauroth
> Assignee: Gergely Novák
>
> Information about decommissioned DataNodes remains tracked in the NameNode for the entire NameNode process lifetime. Currently, the only way to clear this information is to restart the NameNode. This issue proposes to add a way to clear this information online, without requiring a process restart.
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