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Posted to hdfs-dev@hadoop.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2020/03/27 07:01:00 UTC
[jira] [Resolved] (HDFS-15244) Make Decommission related
configurations runtime refreshable
[ https://issues.apache.org/jira/browse/HDFS-15244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ayush Saxena resolved HDFS-15244.
---------------------------------
Resolution: Duplicate
> Make Decommission related configurations runtime refreshable
> ------------------------------------------------------------
>
> Key: HDFS-15244
> URL: https://issues.apache.org/jira/browse/HDFS-15244
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
>
> There are certain configurations that can be tuned to increase the speed of Decommissioning, But restarting namenode for it seems to be a heavy operation.
> Propose to make these configurations, reconfigurable during runtime in order to speed-up decommissioning as per need.
> Proposed Configs :
> * {{dfs.namenode.replication.work.multiplier.per.iteration}}
> * {{dfs.namenode.replication.max-streams-hard-limit}}
> * {{dfs.namenode.replication.max-streams}}
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