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            <title>[SERVER-85371] [4.4] Enable wiredTigerPrefixSearchForUniqueIndexes by default</title>
                <link>https://jira.mongodb.org/browse/SERVER-85371</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61185&quot; title=&quot;Use prefix_search for unique index lookup&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61185&quot;&gt;&lt;del&gt;SERVER-61185&lt;/del&gt;&lt;/a&gt;, we backported a default-off performance improvement for unique index insertion. We disabled it by default out of an abundance of caution because a previous iteration required us to issue a CA.&lt;/p&gt;

&lt;p&gt;As this is enabled by default in 5.0, we should have some confidence that this behavior works correctly, and we can enable it by default in 4.4, as the consequences are pretty severe perf degradation.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2549750">SERVER-85371</key>
            <summary>[4.4] Enable wiredTigerPrefixSearchForUniqueIndexes by default</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
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                                    <resolution id="12300">Won&apos;t Do</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
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                <created>Thu, 18 Jan 2024 13:47:04 +0000</created>
                <updated>Thu, 25 Jan 2024 17:17:56 +0000</updated>
                            <resolved>Thu, 25 Jan 2024 17:15:50 +0000</resolved>
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