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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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-6763] Investigate changes in PM-1835: Approximate Median and Percentile Accumulators</title>
                <link>https://jira.mongodb.org/browse/COMPASS-6763</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;    TBD once we are further with scoping.&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: #c2d2c2;border-color: #cccccc;border-style: dashed;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;border-bottom-style: dashed;border-bottom-color: #cccccc;background-color: #239eb0;&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;Provide the ability to calculate the approximate median and percentile of the numeric values in the $group stage of the aggregation pipeline.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;

&lt;p&gt;Percentile (and median, as its special case) are common statistical metrics. The absence of these accumulators makes MongoDB very unattractive for analytical use cases. Moreover, MongoDB Charts are struggling to provide essential data exploration functionality to their users without these metrics available from the server.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;CastofCharacters&quot;&gt;&lt;/a&gt;Cast of Characters&lt;/h4&gt;
&lt;ul&gt;
	&lt;li&gt;Product Owner: Katya Kamenineva&lt;/li&gt;
	&lt;li&gt;Project Lead: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=irina.yatsenko%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;irina.yatsenko@mongodb.com&quot;&gt;irina.yatsenko@mongodb.com&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Program Manager: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=brenda.rodriguez%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;brenda.rodriguez@mongodb.com&quot;&gt;brenda.rodriguez@mongodb.com&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Drivers Contact: TBD&lt;/li&gt;
&lt;/ul&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;http://tinyurl.com/tdo4upy&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope Document&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1NVQ6hiD3rvt03Eegb9JZj5mtWMHnX1ueumAbejwdOWY/edit#heading=h.wtq2vbtosuas&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Syntax Document&lt;/a&gt;&lt;br/&gt;
 &lt;a href=&quot;http://tinyurl.com/wqkgwdj&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design Document&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1DCXY6gRa9qCakYIHJCaeJwXms7JYdm_rd4BfT2N7e-M/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="2322766">COMPASS-6763</key>
            <summary>Investigate changes in PM-1835: Approximate Median and Percentile Accumulators</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</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="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Mon, 24 Apr 2023 18:22:34 +0000</created>
                <updated>Tue, 16 May 2023 14:38:47 +0000</updated>
                            <resolved>Tue, 16 May 2023 14:38:47 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5428400" author="JIRAUSER1261456" created="Tue, 16 May 2023 14:38:47 +0000"  >&lt;p&gt;Closing this because we already added tickets for the work.&lt;/p&gt;</comment>
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