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https://issues.apache.org/jira/browse/HBASE-26479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-26479.
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Fix Version/s: 2.5.0
Resolution: Fixed
Reapplied after fixing the compile issue.
Thanks [~apurtell].
> Print too slow/big scan's operation_id in region server log
> -----------------------------------------------------------
>
> Key: HBASE-26479
> URL: https://issues.apache.org/jira/browse/HBASE-26479
> Project: HBase
> Issue Type: Improvement
> Components: regionserver, scan
> Reporter: Xuesen Liang
> Assignee: Xuesen Liang
> Priority: Minor
> Fix For: 2.5.0, 3.0.0-alpha-2
>
> Attachments: HBASE-26479.patch
>
>
> Tracing is very important in large-scale distributed systems.
> The attribute *__operation.attributes.id_* of a scan request can be used as
> trace id between hbase client and region server.
> We should print operation id in region server's log if the scan request is
> too slow or too big.
> It will be very helpful for finding problematic requests.
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