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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PHOENIX-5106) Avoid geting an explain plan for each query (even without tracing)
Date Mon, 21 Jan 2019 01:32:00 GMT
Lars Hofhansl created PHOENIX-5106:
--------------------------------------

             Summary: Avoid geting 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


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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