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https://issues.apache.org/jira/browse/HDFS-14169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16728203#comment-16728203
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Surendra Singh Lilhore commented on HDFS-14169:
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[~ayushtkn], Default value for metrics should be 0 not -1.
> RBF: Correct the returned value in case of IOException in
> NamenodeBeanMetrics#getFederationMetrics
> --------------------------------------------------------------------------------------------------
>
> Key: HDFS-14169
> URL: https://issues.apache.org/jira/browse/HDFS-14169
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-14169-HDFS-13891-01.patch
>
>
> Presently in case of IOException the the metrics value returned is 0 which is
> a legal entry.Better to change to a value which could indicate that the value
> hasn't been actually fetched.
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