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Posted to hdfs-issues@hadoop.apache.org by "Felix N (Jira)" <ji...@apache.org> on 2025/12/23 03:01:00 UTC

[jira] [Created] (HDFS-17865) Prevent updateNameDirSize() from blocking rollEditLog()

Felix N created HDFS-17865:
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             Summary: Prevent updateNameDirSize() from blocking rollEditLog()
                 Key: HDFS-17865
                 URL: https://issues.apache.org/jira/browse/HDFS-17865
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Felix N
            Assignee: Felix N


updateNameDirSize() has only metrics functionality (i.e. not very critical) but has a fair bit of performance impact in one of the more critical methods (rollEditLog). It's better to either reduce the metrics update frequency or make it update asynchronously to avoid interference with rollEditLog().



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