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    <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>[SERVER-68492] Test CE accuracy based on the JS golden-test framework</title>
                <link>https://jira.mongodb.org/browse/SERVER-68492</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Test the accuracy of cardinality estimation via end-to-end tests against real data in mongod collections. The tests should be implemented via the golden-test framework developed by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-67415&quot; title=&quot;Expose golden-test framework to jstests&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-67415&quot;&gt;&lt;del&gt;SERVER-67415&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This task should consider how to generate the dataset(s) used for the test. So far the most likely approach is to use the Python framework developed by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-84998&quot; title=&quot;Synthetic Data Generator&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-84998&quot;&gt;&lt;del&gt;WRITING-11332&lt;/del&gt;&lt;/a&gt; to pre-generate datasets, and commit to master only the JS tests with their dataset(s).&lt;/p&gt;

&lt;p&gt;In more detail:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;generate a variety of datasets similar to the ones in the hist-ce tests,&lt;/li&gt;
	&lt;li&gt;evaluate and decide whether to pre-record the generated datasets, or generate them dynamically,&lt;/li&gt;
	&lt;li&gt;evaluate the cumulative accuracy results, and compare them to the hist-ce results,&lt;/li&gt;
	&lt;li&gt;record expected results using the golden test framework,&lt;/li&gt;
	&lt;li&gt;the testing framework should compute a baseline for each test either via running a separate count query, or explain(&quot;executionStats&quot;) and pick the actual counts from there.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2104455">SERVER-68492</key>
            <summary>Test CE accuracy based on the JS golden-test framework</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="timour.katchaounov@mongodb.com">Timour Katchaounov</reporter>
                        <labels>
                            <label>M7</label>
                    </labels>
                <created>Tue, 2 Aug 2022 13:20:59 +0000</created>
                <updated>Fri, 17 Feb 2023 08:59:07 +0000</updated>
                            <resolved>Fri, 17 Feb 2023 08:59:07 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5206912" author="JIRAUSER1258247" created="Fri, 17 Feb 2023 08:59:07 +0000"  >&lt;p&gt;This task has been split into multiple sub-tasks implemented in the scope of milestone 7.&lt;/p&gt;</comment>
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