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https://issues.apache.org/jira/browse/HBASE-13054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329191#comment-14329191
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Elliott Clark commented on HBASE-13054:
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+1 from me.
> Provide more tracing information for locking/latching events.
> -------------------------------------------------------------
>
> Key: HBASE-13054
> URL: https://issues.apache.org/jira/browse/HBASE-13054
> Project: HBase
> Issue Type: Improvement
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Rajeshbabu Chintaguntla
> Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
> Attachments: HBASE-13054.patch, HBASE-13054_v2.patch,
> HBASE-13054_v3.patch
>
>
> Currently not much tracing information available for locking and latching
> events like row level locking during do mini batch mutations, region level
> locking during flush, close and so on. It will be better to add the trace
> information for such events so that it will be useful for finding time spent
> on locking and waiting time on locks while analyzing performance issues in
> queries using trace information.
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