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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-36716] GlobalCursorIdCache::visitAllCursorManagers should not uassert on encountering a view</title>
                <link>https://jira.mongodb.org/browse/SERVER-36716</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When iterating over collection CursorManager instances &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5e461534b339c957d2e6dcf16015949a496a1110/src/mongo/db/cursor_manager.cpp#L307-L330&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;we will&lt;/a&gt;:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Build a list of namespaces from the CursorManager::_idToNss map under the CursorManager::_mutex.&lt;/li&gt;
	&lt;li&gt;Release the CursorManager::_mutex and then iterate over the namespaces.&lt;/li&gt;
	&lt;li&gt;MODE_IS lock each namespace using AutoGetCollection&lt;/li&gt;
	&lt;li&gt;Under the lock, perform an operation on the collection&apos;s CursorManager.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;It is possible that in between releasing CursorManager::_mutex and locking the collection namespace that a collection is dropped and recreated as a view. If this occurs, the call to AutoGetCollection &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/catalog_raii.cpp#L140-L142&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;will uassert when encountering the view&lt;/a&gt;. Instead we should change our collection locking mechanism to recognize that a namespace is now a view and skip the namespace, rather than uassert.&lt;/p&gt;</description>
                <environment></environment>
        <key id="589887">SERVER-36716</key>
            <summary>GlobalCursorIdCache::visitAllCursorManagers should not uassert on encountering a view</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="backlog-server-query">Backlog - Query Team</assignee>
                                    <reporter username="james.wahlin@mongodb.com">James Wahlin</reporter>
                        <labels>
                            <label>read-only-views</label>
                    </labels>
                <created>Fri, 17 Aug 2018 14:39:32 +0000</created>
                <updated>Fri, 27 Oct 2023 20:43:18 +0000</updated>
                            <resolved>Tue, 5 Feb 2019 17:19:16 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2138352" author="david.storch" created="Tue, 5 Feb 2019 17:19:16 +0000"  >&lt;p&gt;The changes in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39065&quot; title=&quot;Delete withCursorManager() and visitAllCursorManagers()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39065&quot;&gt;&lt;del&gt;SERVER-39065&lt;/del&gt;&lt;/a&gt; deleted the problematic code in GlobalCursorIdCache::visitAllCursorManagers(). Therefore, this issue no longer exists as of &lt;a href=&quot;https://github.com/mongodb/mongo/commit/5ee0b3805e9116bf0f4655d5ee5cd5b108e7a7e4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;5ee0b3805e&lt;/a&gt;. Closing as Gone Away.&lt;/p&gt;</comment>
                            <comment id="2001977" author="ian@10gen.com" created="Thu, 13 Sep 2018 15:57:04 +0000"  >&lt;p&gt;this should be reviewed prior to closing the related project to confirm it has gone away.&lt;/p&gt;</comment>
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