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https://issues.apache.org/jira/browse/HBASE-24831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17172944#comment-17172944
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Yechao Chen commented on HBASE-24831:
-------------------------------------
more details please see [GitHub Pull Request
#2209|https://github.com/apache/hbase/pull/2209]
> Avoid invoke Counter using reflection in SnapshotInputFormat
> -------------------------------------------------------------
>
> Key: HBASE-24831
> URL: https://issues.apache.org/jira/browse/HBASE-24831
> Project: HBase
> Issue Type: Improvement
> Reporter: Yechao Chen
> Assignee: Yechao Chen
> Priority: Major
>
> In TableRecordReaderImpl we invoke Counter increment by reflection
> This will be called nextKeyValue() in TableSnapshotInputFormat
> reflection invoke is very slower than normal method call
> we can avoid these to improve the read performance
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