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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-51051] ReadThroughCache might not shut down properly with concurrent invalidate</title>
                <link>https://jira.mongodb.org/browse/SERVER-51051</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If a refresh started and just after that, a shutdown occurs, there is a conflict with any concurrent &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d466890377b3a36206a98b621486d455873c7e66/src/mongo/util/read_through_cache.h#L659&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invalidate&lt;/a&gt;&#160;that might happen, because it will&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/d466890377b3a36206a98b621486d455873c7e66/src/mongo/util/read_through_cache.h#L466&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;cancel&#160;the ongoing refresh&lt;/a&gt;&#160;and in turn, will hit &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d466890377b3a36206a98b621486d455873c7e66/src/mongo/util/read_through_cache.h#L626&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;an invariant&lt;/a&gt; that checks if the entry is valid before removing all outstanding operations. Make a unit test to check this behavior.&lt;/p&gt;

&lt;p&gt;It is safe to remove that invariant, this scenario only happens when shutting down.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1480183">SERVER-51051</key>
            <summary>ReadThroughCache might not shut down properly with concurrent invalidate</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                            <label>PM-1645-Milestone-2</label>
                    </labels>
                <created>Fri, 18 Sep 2020 16:24:10 +0000</created>
                <updated>Sun, 29 Oct 2023 22:02:57 +0000</updated>
                            <resolved>Wed, 23 Sep 2020 15:50:40 +0000</resolved>
                                                    <fixVersion>4.8.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3407478" author="xgen-internal-githook" created="Wed, 23 Sep 2020 15:20:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Marcos Jos&#233; Grillo Ram&#237;rez&apos;, &apos;email&apos;: &apos;marcos.grillo@mongodb.com&apos;, &apos;username&apos;: &apos;m4nti5&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-51051&quot; title=&quot;ReadThroughCache might not shut down properly with concurrent invalidate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-51051&quot;&gt;&lt;del&gt;SERVER-51051&lt;/del&gt;&lt;/a&gt; Make ReadThroughCache handle canceled lookups on shutdown&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bd47e945b2f9d892be5f119adfa1937555e67c80&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bd47e945b2f9d892be5f119adfa1937555e67c80&lt;/a&gt;&lt;/p&gt;</comment>
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	&lt;li&gt;A refresh starts, marking the entry as valid&lt;/li&gt;
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