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Posted to hdfs-dev@hadoop.apache.org by "Xiangyi Zhu (Jira)" <ji...@apache.org> on 2021/05/25 06:41:00 UTC

[jira] [Created] (HDFS-16039) RBF: Some indicators of RBFMetrics count inaccurately

Xiangyi Zhu created HDFS-16039:
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             Summary: RBF:  Some indicators of RBFMetrics count inaccurately
                 Key: HDFS-16039
                 URL: https://issues.apache.org/jira/browse/HDFS-16039
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: rbf
    Affects Versions: 3.4.0
            Reporter: Xiangyi Zhu
            Assignee: Xiangyi Zhu


RBFMetrics#getNumLiveNodes, getNumNamenodes, getTotalCapacity
The current statistical algorithm is to accumulate all Nn indicators, which will lead to inaccurate counting. I think that the same ClusterID only needs to take one Max and then do the accumulation.



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