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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-65818] [5.0] Initial sync uses hybrid index building</title>
                <link>https://jira.mongodb.org/browse/SERVER-65818</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;TLDR: Update the CollectionBulkLoader to build indexes in the foreground in server releases prior to 6.0.&lt;/p&gt;

&lt;p&gt;One of the improvements made in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57432&quot; title=&quot;Prevent MODE_X and MODE_S locks from being yielded and reacquired&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57432&quot;&gt;&lt;del&gt;SERVER-57432&lt;/del&gt;&lt;/a&gt; was to change the index build method during &lt;a href=&quot;https://github.com/mongodb/mongo/commit/a0eb65c457a250baada836c0b6165e93449cd079#diff-e13ca7629e66fc643aa3a25fac57cc935043d671f5bac0b9f79392774fb5dbe7R78-R84&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;initial sync from hybrid to foreground&lt;/a&gt;. This has been shown to improve initial sync latency in our performance test suites. Additionally, foreground index builds do not consume additional disk resources that hybrid index builds require to handle concurrent user writes.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2028885">SERVER-65818</key>
            <summary>[5.0] Initial sync uses hybrid index building</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>
                        <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-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
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                <created>Wed, 20 Apr 2022 13:19:15 +0000</created>
                <updated>Tue, 6 Dec 2022 00:12:24 +0000</updated>
                            <resolved>Mon, 11 Jul 2022 15:10:52 +0000</resolved>
                                                                                        <votes>0</votes>
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