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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[COMPASS-7123] Investigate changes in PM-3294: Introduce $vectorSearch aggregation stage</title>
                <link>https://jira.mongodb.org/browse/COMPASS-7123</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    We&apos;ve added a $vectorSearch stage&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
    &lt;div class=&quot;panel&quot; style=&quot;background-color: #e3fcf7;border-color: #00684a;border-style: solid;border-width: 2px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 2px;border-bottom-style: solid;border-bottom-color: #00684a;background-color: #00684a;color: #fff;&quot;&gt;&lt;b&gt;Epic Summary&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;
&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;
&lt;p&gt;Vector search is a feature in Lucene that users are excited about and want to begin using with Atlas Search. However, some aspects of the syntax and query behavior do not mesh well with MQL and sharding. This project is a catch-all for the work needed to be done by Query to both define behaviors in the grey areas of sharding/vector search  intersection and do the work needed to implement it.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;
&lt;p&gt;Partially taken from the original vector search PD&lt;br/&gt;
Today, issuing an Atlas Search query for &#8220;shoes&#8221; does not match (and return) a value of &#8220;sneakers&#8221; unless a synonym is defined. With the appropriate language model and dense vector search, a query for shoes could return sneakers as relevant documents because of their proximity in vector space. Vector search is currently becoming popular in the industry and with customers, this project encompasses the minimum work required to ship something to address this customer need.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;
&lt;p&gt;&lt;a href=&quot;https://docs.google.com/document/d/1pFrO3zMEJ0kjY_3YrbOhydBp7-4--jSJbmg6zWinkgs/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1oDPlzMBalhF3PdSBgZazbCWtmqr-2G4usgTjfQyS7sY/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1Kg0OOLDspi2lA9sEeEG9bAeh44MMgfq4-fUnfTNV5hI/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/13Oz3rk0VtfCKVL3GPd6clqU-mJH0SXUcUwUvUmSo42w/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Docs Update&lt;/a&gt;&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
</description>
                <environment></environment>
        <key id="2420148">COMPASS-7123</key>
            <summary>Investigate changes in PM-3294: Introduce $vectorSearch aggregation stage</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Thu, 17 Aug 2023 17:41:12 +0000</created>
                <updated>Fri, 6 Oct 2023 15:08:57 +0000</updated>
                            <resolved>Fri, 6 Oct 2023 15:08:49 +0000</resolved>
                                                    <fixVersion>1.40.0</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5759282" author="JIRAUSER1256529" created="Fri, 6 Oct 2023 15:08:49 +0000"  >&lt;p&gt;Handled by &lt;a href=&quot;https://jira.mongodb.org/browse/COMPASS-7064&quot; title=&quot;Introduce $vectorSearch aggregation stage to 7.1 and 7.0.x&quot; class=&quot;issue-link&quot; data-issue-key=&quot;COMPASS-7064&quot;&gt;&lt;del&gt;COMPASS-7064&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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