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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-71660] Add a term/generation counter/version for the CollectionCatalog</title>
                <link>https://jira.mongodb.org/browse/SERVER-71660</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/507288cdeed26adbdab4eccd66cb48b73d96559e/src/mongo/db/db_raii.cpp#L219&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;use pointer values to check whether the CollectionCatalog has been updated&lt;/a&gt; when trying to acquire a consistent catalog and snapshot. This is fine most of the time but it&apos;s technically possible that the memory address could be reused for the new version of the catalog, so the pointer values could be the same even if the catalog has actually been updated. We should consider adding a counter/catalog version that gets updated whenever a new version of the catalog is created, so that we can reliably compare two versions of the catalog.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2196696">SERVER-71660</key>
            <summary>Add a term/generation counter/version for the CollectionCatalog</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-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="matthew.saltz@mongodb.com">Matthew Saltz</reporter>
                        <labels>
                    </labels>
                <created>Mon, 28 Nov 2022 20:29:56 +0000</created>
                <updated>Tue, 14 Feb 2023 19:33:31 +0000</updated>
                            <resolved>Mon, 13 Feb 2023 16:50:31 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5193730" author="henrik.edin" created="Mon, 13 Feb 2023 16:50:18 +0000"  >&lt;p&gt;We are holding &lt;tt&gt;shared_ptr&lt;/tt&gt; to the &lt;tt&gt;CollectionCatalog&lt;/tt&gt; instances so it is not possible that the instance may have been free&apos;d and re-used. &lt;/p&gt;</comment>
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