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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-53630] Architecture Guide Lock Free Reads: update guide with the copy on write changes</title>
                <link>https://jira.mongodb.org/browse/SERVER-53630</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Explain lifetime of all objects, etc.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1583178">SERVER-53630</key>
            <summary>Architecture Guide Lock Free Reads: update guide with the copy on write changes</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="13201">Fixed</resolution>
                                        <assignee username="henrik.edin@mongodb.com">Henrik Edin</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                    </labels>
                <created>Thu, 7 Jan 2021 15:08:58 +0000</created>
                <updated>Sun, 29 Oct 2023 21:59:05 +0000</updated>
                            <resolved>Wed, 13 Jan 2021 16:26:56 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3562727" author="xgen-internal-githook" created="Wed, 13 Jan 2021 16:14:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Henrik Edin&apos;, &apos;email&apos;: &apos;henrik.edin@mongodb.com&apos;, &apos;username&apos;: &apos;henrikedin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53630&quot; title=&quot;Architecture Guide Lock Free Reads: update guide with the copy on write changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53630&quot;&gt;&lt;del&gt;SERVER-53630&lt;/del&gt;&lt;/a&gt; Archetecture guide updates for Catalog and Collection read-copy-update synchronization.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/039760ee734c3a2c6d3eb147767423e3539f3fb5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/039760ee734c3a2c6d3eb147767423e3539f3fb5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3558382" author="dianna.hohensee" created="Mon, 11 Jan 2021 19:01:01 +0000"  >&lt;p&gt;I&apos;m closing out the master ticket, &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49664&quot; title=&quot;Architecture Guide Updates for Lock free reads&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49664&quot;&gt;&lt;del&gt;SERVER-49664&lt;/del&gt;&lt;/a&gt;. Here&apos;s the remaining documentation work I&apos;ve thought of and presume this ticket will cover &#8211; or it can be split off from here to additional tickets.&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;ViewCatalog is copy on write now&lt;/li&gt;
	&lt;li&gt;Decorables are copyable now&lt;/li&gt;
	&lt;li&gt;The oplog collection is special and not copy-on-write&lt;/li&gt;
&lt;/ul&gt;
</comment>
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