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https://issues.apache.org/jira/browse/HDFS-16810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haiyang Hu resolved HDFS-16810.
-------------------------------
    Resolution: Won't Do

> Support to make 
> dfs.namenode.decommission.backoff.monitor.pending.blocks.per.lock 
> reconfigurable 
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16810
>                 URL: https://issues.apache.org/jira/browse/HDFS-16810
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haiyang Hu
>            Assignee: Haiyang Hu
>            Priority: Major
>
> When the Backoff monitor is enabled, the parameter 
> dfs.namenode.decommission.backoff.monitor.pending.blocks.per.lock can be 
> dynamically adjusted to determines release the namenode write lock after the 
> numbe of blocks to process when moving blocks to pendingReplication .



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