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https://issues.apache.org/jira/browse/HBASE-15267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146829#comment-15146829
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Elliott Clark commented on HBASE-15267:
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Seems like the metric is correct. It's all about how many gets were issued. It
doesn't say gets that returned things. Just number of gets.
The get could have done a lot of IO so we shouldn't ignore that.
> Read requests count metric is increased when Get operation does not return
> any record
> -------------------------------------------------------------------------------------
>
> Key: HBASE-15267
> URL: https://issues.apache.org/jira/browse/HBASE-15267
> Project: HBase
> Issue Type: Bug
> Reporter: Eungsop Yoo
> Priority: Minor
> Attachments: HBASE-15267.patch
>
>
> Read requests count is increased when Get operation returns no record by
> filtering out. In such cases, Get for deleted record, Get for TTL expired
> record and Get for filtering out.
> So I fixed the bug and added some more test cases for read metrics.
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