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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[DOCS-1761] Add explanation of &quot;multi&quot; and &quot;reverse&quot; cursors in Explain Output</title>
                <link>https://jira.mongodb.org/browse/DOCS-1761</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/btreecursor.cpp#L265&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/master/src/mongo/db/btreecursor.cpp#L265&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="84004">DOCS-1761</key>
            <summary>Add explanation of &quot;multi&quot; and &quot;reverse&quot; cursors in Explain Output</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="9">Done</resolution>
                                        <assignee username="sam.kleinman">Sam Kleinman</assignee>
                                    <reporter username="sam.kleinman">Sam Kleinman</reporter>
                        <labels>
                    </labels>
                <created>Tue, 30 Jul 2013 16:35:28 +0000</created>
                <updated>Wed, 11 Jan 2017 22:42:43 +0000</updated>
                            <resolved>Wed, 21 Aug 2013 22:33:33 +0000</resolved>
                                                    <fixVersion>01112017-cleanup</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="408627" author="auto" created="Wed, 21 Aug 2013 22:33:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;tychoish&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-1761&quot; title=&quot;Add explanation of &amp;quot;multi&amp;quot; and &amp;quot;reverse&amp;quot; cursors in Explain Output&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-1761&quot;&gt;&lt;del&gt;DOCS-1761&lt;/del&gt;&lt;/a&gt;: cursor string lookups&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/7115df05681665d44e7367955f9d14db8b7511d6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/7115df05681665d44e7367955f9d14db8b7511d6&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="392127" author="asya" created="Tue, 30 Jul 2013 20:36:24 +0000"  >&lt;p&gt;This would be for the line showing index being used:&lt;/p&gt;

&lt;p&gt;&quot;BtreeCursor xxxx   multi&quot; means that multiple entries were looked up during index traversal (individual entries) - simplest way to see this is do db.foo.find({_id:{$in:&lt;span class=&quot;error&quot;&gt;&amp;#91;1, 100&amp;#93;&lt;/span&gt;}}).explain()&lt;/p&gt;

&lt;p&gt;&quot;BtreeCursor xxxx   reverse&quot; means the index was traversed right to left instead of left to right.  Easiest way to see that one is to do db.foo.find().sort({_id:-1}).explain()&lt;/p&gt;</comment>
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