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https://issues.apache.org/jira/browse/HBASE-5717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247521#comment-13247521
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[email protected] commented on HBASE-5717:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/4640/
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(Updated 2012-04-05 18:52:50.133346)
Review request for hbase.
Changes
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Added test cases.
Summary
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Fix for persistence of scan metrics when the scanner doesn't run to exhaustion.
This addresses bug HBASE-5717.
https://issues.apache.org/jira/browse/HBASE-5717
Diffs (updated)
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/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java 1309585
/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java 1309585
Diff: https://reviews.apache.org/r/4640/diff
Testing
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Altered the scan metrics unit test to show this problem (now fails without
changes to ClientScanner.java).
Thanks,
Ian
> Scanner metrics are only reported if you get to the end of a scanner
> --------------------------------------------------------------------
>
> Key: HBASE-5717
> URL: https://issues.apache.org/jira/browse/HBASE-5717
> Project: HBase
> Issue Type: Bug
> Components: client, metrics
> Reporter: Ian Varley
> Priority: Minor
> Attachments: ClientScanner_HBASE_5717-v2.patch,
> ClientScanner_HBASE_5717-v3.patch, ClientScanner_HBASE_5717.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> When you turn on Scanner Metrics, the metrics are currently only made
> available if you run over all records available in the scanner. If you stop
> iterating before the end, the values are never flushed into the metrics
> object (in the Scan attribute).
> Will supply a patch with fix and test.
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