docs/build/plain-html/topics/impala_runtime_filter_wait_time_ms.html - impala - Git at Google

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   <h1 class="title topictitle1" id="ariaid-title1">RUNTIME_FILTER_WAIT_TIME_MS Query Option (<span class="keyword">Impala 2.5</span> or higher only)</h1>


   <div class="body conbody">

     <p class="p">

       The <code class="ph codeph">RUNTIME_FILTER_WAIT_TIME_MS</code> query option
       adjusts the settings for the runtime filtering feature.
       It specifies a time in milliseconds that each scan node waits for
       runtime filters to be produced by other plan fragments.
     </p>


     <p class="p">
         <strong class="ph b">Type:</strong> integer
       </p>


     <p class="p">
       <strong class="ph b">Default:</strong> 0 (meaning use the value from the corresponding <span class="keyword cmdname">impalad</span> startup option)
     </p>


     <p class="p">
         <strong class="ph b">Added in:</strong> <span class="keyword">Impala 2.5.0</span>
       </p>


     <p class="p">
         <strong class="ph b">Usage notes:</strong>
       </p>


     <p class="p">
         Because the runtime filtering feature applies mainly to resource-intensive and
         long-running queries, only adjust this query option when tuning long-running queries
         involving some combination of large partitioned tables and joins involving large tables.
       </p>


     <p class="p">
         <strong class="ph b">Related information:</strong>
       </p>

     <p class="p">
       <a class="xref" href="impala_runtime_filtering.html">Runtime Filtering for Impala Queries (Impala 2.5 or higher only)</a>,
       <a class="xref" href="impala_runtime_filter_mode.html#runtime_filter_mode">RUNTIME_FILTER_MODE Query Option (Impala 2.5 or higher only)</a>

     </p>


   </div>

 <div class="related-links">
 <div class="familylinks">
 <div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../topics/impala_set.html">SET Statement</a></div>
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	<title>RUNTIME_FILTER_WAIT_TIME_MS Query Option (Impala 2.5 or higher only)</title>
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	<body id="runtime_filter_wait_time_ms">


	<h1 class="title topictitle1" id="ariaid-title1">RUNTIME_FILTER_WAIT_TIME_MS Query Option (<span class="keyword">Impala 2.5</span> or higher only)</h1>




	<div class="body conbody">

	<p class="p">

	The <code class="ph codeph">RUNTIME_FILTER_WAIT_TIME_MS</code> query option
	adjusts the settings for the runtime filtering feature.
	It specifies a time in milliseconds that each scan node waits for
	runtime filters to be produced by other plan fragments.
	</p>


	<p class="p">
	<strong class="ph b">Type:</strong> integer
	</p>


	<p class="p">
	<strong class="ph b">Default:</strong> 0 (meaning use the value from the corresponding <span class="keyword cmdname">impalad</span> startup option)
	</p>


	<p class="p">
	<strong class="ph b">Added in:</strong> <span class="keyword">Impala 2.5.0</span>
	</p>


	<p class="p">
	<strong class="ph b">Usage notes:</strong>
	</p>


	<p class="p">
	Because the runtime filtering feature applies mainly to resource-intensive and
	long-running queries, only adjust this query option when tuning long-running queries
	involving some combination of large partitioned tables and joins involving large tables.
	</p>


	<p class="p">
	<strong class="ph b">Related information:</strong>
	</p>

	<p class="p">
	<a class="xref" href="impala_runtime_filtering.html">Runtime Filtering for Impala Queries (Impala 2.5 or higher only)</a>,
	<a class="xref" href="impala_runtime_filter_mode.html#runtime_filter_mode">RUNTIME_FILTER_MODE Query Option (Impala 2.5 or higher only)</a>

	</p>


	</div>

	<div class="related-links">
	<div class="familylinks">
	<div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../topics/impala_set.html">SET Statement</a></div>
	</div>
	</div></body>
	</html>