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https://issues.apache.org/jira/browse/HDFS-17853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18036205#comment-18036205
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ASF GitHub Bot commented on HDFS-17853:
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lfxy opened a new pull request, #8064:
URL: https://github.com/apache/hadoop/pull/8064
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.
> 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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