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https://issues.apache.org/jira/browse/PHOENIX-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243657#comment-14243657
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James Taylor commented on PHOENIX-1115:
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FWIW, [~jesse_yates] came up with a clever way in Java code of allocating a
trace ID, then running the query which would then use that trace ID so you
could pretty easily look up the metrics for it in the SYSTEM.TRACING table. I
can't seem to find the email with the example, though.
> Provide a SQL command to turn tracing on/off
> --------------------------------------------
>
> Key: PHOENIX-1115
> URL: https://issues.apache.org/jira/browse/PHOENIX-1115
> Project: Phoenix
> Issue Type: Sub-task
> Affects Versions: 5.0.0, 4.1
> Reporter: James Taylor
> Assignee: Jeffrey Zhong
> Attachments: Screen Shot 2014-11-21 at 3.41.41 PM.png
>
>
> Provide a SQL command that turns tracing on and off. For example, Oracle has
> this:
> {code}
> ALTER SESSION SET sql_trace = true;
> ALTER SESSION SET sql_trace = false;
> {code}
> We might consider allowing the sampling rate to be set as well.
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