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https://issues.apache.org/jira/browse/HBASE-4117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086071#comment-13086071
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Andrew Purtell commented on HBASE-4117:
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bq. This information resides in the TaskMonitor singleton, which can then be
exposed any way you like. I think this design makes a lot of sense; historical
information goes in the main log, while current status information can be
queried from a clean interface and exposed any way you like.
Fair enough. I stand corrected / mollified.
> Slow Query Log
> --------------
>
> Key: HBASE-4117
> URL: https://issues.apache.org/jira/browse/HBASE-4117
> Project: HBase
> Issue Type: New Feature
> Components: ipc
> Reporter: Riley Patterson
> Assignee: Riley Patterson
> Priority: Minor
> Labels: client, ipc
> Attachments: HBASE-4117.patch
>
>
> Produce log messages for slow queries. The RPC server will decide what is
> slow based on a configurable "warn response time" parameter. Queries
> designated as slow will then output a "response too slow" message followed by
> a fingerprint of the query, and a summary limited in size by another
> configurable parameter (to limit log spamming).
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