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        <build-number>970001</build-number>
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<item>
            <title>[SERVER-34427] Aggregation Query With $in for large Datasets Index not considered via spark</title>
                <link>https://jira.mongodb.org/browse/SERVER-34427</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While passing large arguments in $in block like 100K to 200k for match pipeline the index is not considered. For the same query if we reduce the parameters in 1000 it is considering index.&lt;br/&gt;
We are running it in Spark 2.2 and mongo version 3.4.9 and code is written in scala to execute it as spark-submit command.&lt;/p&gt;</description>
                <environment></environment>
        <key id="525876">SERVER-34427</key>
            <summary>Aggregation Query With $in for large Datasets Index not considered via spark</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="4">Incomplete</resolution>
                                        <assignee username="kelsey.schubert@mongodb.com">Kelsey Schubert</assignee>
                                    <reporter username="badrinarayanan_p@infosys.com">Badrinarayanan P</reporter>
                        <labels>
                    </labels>
                <created>Thu, 12 Apr 2018 04:42:05 +0000</created>
                <updated>Mon, 23 Jul 2018 09:29:12 +0000</updated>
                            <resolved>Thu, 21 Jun 2018 00:50:12 +0000</resolved>
                                                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1926967" author="thomas.schubert" created="Thu, 21 Jun 2018 00:50:12 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=badrinarayanan_p%40infosys.com&quot; class=&quot;user-hover&quot; rel=&quot;badrinarayanan_p@infosys.com&quot;&gt;badrinarayanan_p@infosys.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;We haven&#8217;t heard back from you for some time, so I&#8217;m going to mark this ticket as resolved. If this is still an issue for you, please provide additional information and we will reopen the ticket.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Kelsey&lt;/p&gt;</comment>
                            <comment id="1884205" author="ramon.fernandez" created="Sun, 6 May 2018 23:00:53 +0000"  >&lt;p&gt;Apologies for the long delay in getting back to you &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=badrinarayanan_p%40infosys.com&quot; class=&quot;user-hover&quot; rel=&quot;badrinarayanan_p@infosys.com&quot;&gt;badrinarayanan_p@infosys.com&lt;/a&gt;. We&apos;re not aware of considering a different query plan depending of the number of elements in a &lt;tt&gt;$in&lt;/tt&gt; clause, so can you please provide:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Output of the queries run with &lt;a href=&quot;https://docs.mongodb.com/manual/reference/method/cursor.explain/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;explain&lt;/a&gt; so we can see what the query planner is doing with small and large number of clauses&lt;/li&gt;
	&lt;li&gt;The log files (preferably at &lt;a href=&quot;https://docs.mongodb.com/manual/reference/method/db.setLogLevel/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;loglevel&lt;/a&gt; 1) during the time you run those queries?&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Thanks,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
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