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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-73058] QueryStageCollectionScanTest acquires global IX lock and then calls AutoGetCollectionForRead</title>
                <link>https://jira.mongodb.org/browse/SERVER-73058</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;After acquiring the IX lock on the collection level we can use AutoGetCollection instead of AutoGetCollectionForRead: &lt;a href=&quot;https://github.com/10gen/mongo/blob/c8f6bd7b917856060fdfb2d78dab17b734fc4848/src/mongo/dbtests/query_stage_collscan.cpp#L777-L778&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/c8f6bd7b917856060fdfb2d78dab17b734fc4848/src/mongo/dbtests/query_stage_collscan.cpp#L777-L778&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;AutoGetCollectionForRead acquires an IS lock which should be covered under the IX lock but oddly enough I ran into an issue with upgrading locks. Could be due to the way I was prohibiting lock upgrades described in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73040&quot; title=&quot;Ban all lock upgrades&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73040&quot;&gt;&lt;del&gt;SERVER-73040&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2237726">SERVER-73058</key>
            <summary>QueryStageCollectionScanTest acquires global IX lock and then calls AutoGetCollectionForRead</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="fausto.leyva@mongodb.com">Fausto Leyva</assignee>
                                    <reporter username="fausto.leyva@mongodb.com">Fausto Leyva</reporter>
                        <labels>
                    </labels>
                <created>Thu, 19 Jan 2023 19:07:15 +0000</created>
                <updated>Thu, 11 May 2023 20:35:50 +0000</updated>
                            <resolved>Thu, 11 May 2023 20:35:49 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5419068" author="JIRAUSER1253362" created="Thu, 11 May 2023 20:35:50 +0000"  >&lt;p&gt;During my initial investigation, I thought there was something wrong with this behaviour but MODE_IS and MODE_IX locks are compatible, so this should be a non-issue. Therefore I am closing this ticket out since it has no real significance.&lt;/p&gt;</comment>
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