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    <title>question Re: Is there a rule based optimizer in Hive ? in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152934#M52970</link>
    <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/15223/pmohan.html" nodeid="15223"&gt;@Prabhu M&lt;/A&gt; Prior to Hive 0.13, Hive relied on rule-based optimization and in Hive 0.14 we introduced CBO with Calcite. Please see slide 5&lt;/P&gt;&lt;P&gt;&lt;A href="http://www.slideshare.net/julianhyde/w-435phyde-3" target="_blank"&gt;http://www.slideshare.net/julianhyde/w-435phyde-3&lt;/A&gt;&lt;/P&gt;</description>
    <pubDate>Tue, 31 Jan 2017 02:21:20 GMT</pubDate>
    <dc:creator>aervits</dc:creator>
    <dc:date>2017-01-31T02:21:20Z</dc:date>
    <item>
      <title>Is there a rule based optimizer in Hive ?</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152931#M52967</link>
      <description>&lt;P&gt;Hive is using Apache Calcite's cost based optimizer (CBO).. similarly i am wondering if there is a rule based optimizer for hive ?&lt;/P&gt;</description>
      <pubDate>Fri, 16 Sep 2022 10:59:09 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152931#M52967</guid>
      <dc:creator>pmohan</dc:creator>
      <dc:date>2022-09-16T10:59:09Z</dc:date>
    </item>
    <item>
      <title>Re: Is there a rule based optimizer in Hive ?</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152932#M52968</link>
      <description>&lt;A rel="user" href="https://community.cloudera.com/users/15223/pmohan.html" nodeid="15223"&gt;@Prabhu M&lt;/A&gt;&lt;P&gt;we have CBO for hive as well. here is the link &lt;A href="https://cwiki.apache.org/confluence/display/Hive/Cost-based+optimization+in+Hive" target="_blank"&gt;https://cwiki.apache.org/confluence/display/Hive/Cost-based+optimization+in+Hive&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Tue, 31 Jan 2017 01:40:53 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152932#M52968</guid>
      <dc:creator>divakarreddy_a</dc:creator>
      <dc:date>2017-01-31T01:40:53Z</dc:date>
    </item>
    <item>
      <title>Re: Is there a rule based optimizer in Hive ?</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152933#M52969</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/2348/divakarreddya.html" nodeid="2348"&gt;@Divakar Annapureddy&lt;/A&gt; thanks for the response., i was wondering if hive has a Rule Based Optimizer (RBO) ?&lt;/P&gt;</description>
      <pubDate>Tue, 31 Jan 2017 01:43:14 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152933#M52969</guid>
      <dc:creator>pmohan</dc:creator>
      <dc:date>2017-01-31T01:43:14Z</dc:date>
    </item>
    <item>
      <title>Re: Is there a rule based optimizer in Hive ?</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152934#M52970</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/15223/pmohan.html" nodeid="15223"&gt;@Prabhu M&lt;/A&gt; Prior to Hive 0.13, Hive relied on rule-based optimization and in Hive 0.14 we introduced CBO with Calcite. Please see slide 5&lt;/P&gt;&lt;P&gt;&lt;A href="http://www.slideshare.net/julianhyde/w-435phyde-3" target="_blank"&gt;http://www.slideshare.net/julianhyde/w-435phyde-3&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Tue, 31 Jan 2017 02:21:20 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152934#M52970</guid>
      <dc:creator>aervits</dc:creator>
      <dc:date>2017-01-31T02:21:20Z</dc:date>
    </item>
    <item>
      <title>Re: Is there a rule based optimizer in Hive ?</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152935#M52971</link>
      <description>&lt;P&gt;thx this helps&lt;/P&gt;</description>
      <pubDate>Tue, 31 Jan 2017 02:33:59 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/Is-there-a-rule-based-optimizer-in-Hive/m-p/152935#M52971</guid>
      <dc:creator>pmohan</dc:creator>
      <dc:date>2017-01-31T02:33:59Z</dc:date>
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