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https://issues.apache.org/jira/browse/HBASE-16493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashish Singhi resolved HBASE-16493.
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Resolution: Duplicate
Duplicate of HBASE-16678
> MapReduce counters not updated with ScanMetrics
> ------------------------------------------------
>
> Key: HBASE-16493
> URL: https://issues.apache.org/jira/browse/HBASE-16493
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 1.0.0, 2.0.0, 1.1.0
> Reporter: Jacobo Coll
>
> ScanMetrics were introduced in the [HBASE-4145]. These metrics were able to
> work even in a parallel environment such as MapReduce.
> The TableRecordReader creates a Scanner with a copy of the given "scan",
> called "currentScan". The ScanMetrics are captured by the Scanner and
> modifies the given Scan instance, "currentScan". The TableRecordReader, after
> reading the last value, updates the job counters to aggregate them.
> But since [HBASE-13030], the TableRecordReader reads the scanMetrics from the
> object "scan" instead of using the "currentScan"
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