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https://issues.apache.org/jira/browse/PHOENIX-5106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated PHOENIX-5106:
-----------------------------------
Summary: Avoid getting an explain plan for each query (even without
tracing) (was: Avoid geting an explain plan for each query (even without
tracing))
> Avoid getting an explain plan for each query (even without tracing)
> -------------------------------------------------------------------
>
> Key: PHOENIX-5106
> URL: https://issues.apache.org/jira/browse/PHOENIX-5106
> Project: Phoenix
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Major
> Labels: performance
> Attachments: 5106.txt
>
>
> See this code fragment in BaseQueryPlan.iterator(...):
> {code}
> // wrap the iterator so we start/end tracing as we expect
> TraceScope scope =
> Tracing.startNewSpan(context.getConnection(), "Creating basic
> query for "
> + getPlanSteps(iterator));
> return (scope.getSpan() != null) ? new TracingIterator(scope,
> iterator) : iterator;
> {code}
> This will get the plan steps for each and every call to iterator, whether
> we're tracing or not.
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