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Posted to hdfs-dev@hadoop.apache.org by "Tao Li (Jira)" <ji...@apache.org> on 2022/11/07 01:56:00 UTC

[jira] [Resolved] (HDFS-16811) Support DecommissionBackoffMonitor parameters reconfigurable

     [ https://issues.apache.org/jira/browse/HDFS-16811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tao Li resolved HDFS-16811.
---------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

> Support DecommissionBackoffMonitor parameters reconfigurable 
> -------------------------------------------------------------
>
>                 Key: HDFS-16811
>                 URL: https://issues.apache.org/jira/browse/HDFS-16811
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haiyang Hu
>            Assignee: Haiyang Hu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> When the Backoff monitor is enabled, decommissionBackoffMonitor Parameters to reconfigurable
> 1.the parameter dfs.namenode.decommission.backoff.monitor.pending.limit can be dynamically adjusted to determines the maximum number of blocks related to decommission and maintenance operations that can be loaded into the replication queue.
> 2.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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