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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-51629] Support lock-free reads in SBE</title>
                <link>https://jira.mongodb.org/browse/SERVER-51629</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Once lock-free reads project is complete, we will need to implement a number of changes to support lock-free reads in SBE. This ticket is created to track this work.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1515208">SERVER-51629</key>
            <summary>Support lock-free reads in SBE</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="13203">Gone away</resolution>
                                        <assignee username="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="anton.korshunov@mongodb.com">Anton Korshunov</reporter>
                        <labels>
                    </labels>
                <created>Thu, 15 Oct 2020 10:22:43 +0000</created>
                <updated>Fri, 27 Oct 2023 20:46:22 +0000</updated>
                            <resolved>Thu, 18 Feb 2021 23:02:01 +0000</resolved>
                                                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3624243" author="david.storch" created="Thu, 18 Feb 2021 23:02:01 +0000"  >&lt;p&gt;The SBE engine is already running and being tested under lock free reads, as lock free reads are enabled by default. Therefore, no further work is needed for this ticket and I am closing it as &quot;Gone away&quot;.&lt;/p&gt;

&lt;p&gt;Note, however, that there are a handful of tasks related to SBE&apos;s use of the db_raii helpers and SBE&apos;s yielding implementation that need to be resolved: see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50710&quot; title=&quot;Lock acquired in FindCmd run() method is not yielded by SBE&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50710&quot;&gt;&lt;del&gt;SERVER-50710&lt;/del&gt;&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54624&quot; title=&quot;SBE queries should fail cleanly if catalog epoch changes during yield or between getMores&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54624&quot;&gt;&lt;del&gt;SERVER-54624&lt;/del&gt;&lt;/a&gt;, and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49385&quot; title=&quot;SBE should fail cleanly if needed index is dropped during execution of SBE query&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49385&quot;&gt;&lt;del&gt;SERVER-49385&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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