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Posted to hdfs-issues@hadoop.apache.org by "Xiangyi Zhu (Jira)" <ji...@apache.org> on 2021/05/25 06:51:00 UTC
[jira] [Commented] (HDFS-16039) RBF: Some indicators of RBFMetrics
count inaccurately
[ https://issues.apache.org/jira/browse/HDFS-16039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17350835#comment-17350835 ]
Xiangyi Zhu commented on HDFS-16039:
------------------------------------
[~elgoiri] Looking forward to your comments.
> 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
> Priority: Major
>
> 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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