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https://issues.apache.org/jira/browse/HDFS-17853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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caozhiqiang updated HDFS-17853:
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Summary: Support to make dfs.namenode.fs-limits.max-directory-items
reconfigurable (was: Support to make
dfs.namenode.fs-limits.max-directory-items reconfigureable)
> Support to make dfs.namenode.fs-limits.max-directory-items reconfigurable
> -------------------------------------------------------------------------
>
> Key: HDFS-17853
> URL: https://issues.apache.org/jira/browse/HDFS-17853
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.5.0
> Reporter: caozhiqiang
> Assignee: caozhiqiang
> Priority: Major
>
> Sometimes, certain directories—such as temporary library directories—contain
> too many subdirectories and files, exceeding the limit defined by the
> {{dfs.namenode.fs-limits.max-directory-items}} configuration. This causes
> many jobs to fail.
> To quickly restore job execution, we need to temporarily adjust this
> configuration. However, since it currently requires to restart NameNode to
> take effect, we need to make it dynamically reconfigurable without restarting
> the NameNode.
>
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