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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-75635] Pre 7.0 dropDatabase implementation releases the critical section too early</title>
                <link>https://jira.mongodb.org/browse/SERVER-75635</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This issue was recently introduced in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73391&quot; title=&quot;Use recoverable critical section for drop database&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73391&quot;&gt;&lt;del&gt;SERVER-73391&lt;/del&gt;&lt;/a&gt;.&#160; Depending on the version of the coordinator we might use the &lt;tt&gt;Recoverable Critical Section&lt;/tt&gt;&#160; (7.0 or newer) or the just in-memory critical section (pre 7.0). The implementation of the latter one was refactored on &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73391&quot; title=&quot;Use recoverable critical section for drop database&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73391&quot;&gt;&lt;del&gt;SERVER-73391&lt;/del&gt;&lt;/a&gt; and we introduced an issue &lt;a href=&quot;https://github.com/mongodb/mongo/blob/39f7c9035ab26b15b95625e016da51be946374a2/src/mongo/db/s/drop_database_coordinator.cpp#L420-L421&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;in this statement&lt;/a&gt;: rather than directly emplacing the &lt;tt&gt;ScopedDatabaseCriticalSection&lt;/tt&gt;&#160; in the &lt;tt&gt;boost::optional&lt;/tt&gt; what we are actually doing is building a temporary object and then copy construct it to perform the emplacement. Thus, when the temporary &lt;tt&gt;ScopedDatabaseCriticalSection&lt;/tt&gt; is destroyed, the critical section is released. Note that the destruction of the &#160;&lt;tt&gt;boost::optional&lt;/tt&gt; will also call &lt;tt&gt;~ScopedDatabaseCriticalSection&lt;/tt&gt;, which will realize that the critical section was already released and do nothing.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2305934">SERVER-75635</key>
            <summary>Pre 7.0 dropDatabase implementation releases the critical section too early</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="sergi.mateo-bellido@mongodb.com">Sergi Mateo Bellido</assignee>
                                    <reporter username="sergi.mateo-bellido@mongodb.com">Sergi Mateo Bellido</reporter>
                        <labels>
                    </labels>
                <created>Tue, 4 Apr 2023 07:33:46 +0000</created>
                <updated>Sun, 29 Oct 2023 21:23:41 +0000</updated>
                            <resolved>Tue, 4 Apr 2023 14:37:02 +0000</resolved>
                                    <version>7.0.0-rc0</version>
                                    <fixVersion>7.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5323257" author="xgen-internal-githook" created="Tue, 4 Apr 2023 14:19:14 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Sergi Mateo Bellido&apos;, &apos;email&apos;: &apos;sergi.mateo-bellido@mongodb.com&apos;, &apos;username&apos;: &apos;smateo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-75635&quot; title=&quot;Pre 7.0 dropDatabase implementation releases the critical section too early&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-75635&quot;&gt;&lt;del&gt;SERVER-75635&lt;/del&gt;&lt;/a&gt; DropDb was releasing the critical section too soon&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fca575743d1ffbc2b478b651eb387f2195f25b72&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fca575743d1ffbc2b478b651eb387f2195f25b72&lt;/a&gt;&lt;/p&gt;</comment>
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