[jira] [Created] (HDFS-15244) Make Decommission related configurations runtime refreshable

["Ayush Saxena (Jira)" <ji...@apache.org>]

Ayush Saxena created HDFS-15244:
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             Summary: 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


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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