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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-37992] Exchange may deadlock when consumers do not exhaust their input cursors.</title>
                <link>https://jira.mongodb.org/browse/SERVER-37992</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Once any one consumer has stopped consuming results from an exchange (AKA it has called Exchange::dispose()), it&apos;s possible for any other consumer to hang indefinitely, since it would possibly need to wait for that consumer to consume the results in its buffer.&lt;/p&gt;</description>
                <environment></environment>
        <key id="630330">SERVER-37992</key>
            <summary>Exchange may deadlock when consumers do not exhaust their input cursors.</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="martin.neupauer@mongodb.com">Martin Neupauer</assignee>
                                    <reporter username="martin.neupauer@mongodb.com">Martin Neupauer</reporter>
                        <labels>
                    </labels>
                <created>Wed, 7 Nov 2018 19:26:55 +0000</created>
                <updated>Sun, 29 Oct 2023 22:26:46 +0000</updated>
                            <resolved>Wed, 21 Nov 2018 19:57:23 +0000</resolved>
                                                    <fixVersion>4.1.6</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2069404" author="xgen-internal-githook" created="Wed, 21 Nov 2018 19:56:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Martin Neupauer&apos;, &apos;email&apos;: &apos;martin.neupauer@mongodb.com&apos;, &apos;username&apos;: &apos;MartinNeupauer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37992&quot; title=&quot;Exchange may deadlock when consumers do not exhaust their input cursors.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37992&quot;&gt;&lt;del&gt;SERVER-37992&lt;/del&gt;&lt;/a&gt; Exchange may deadlock when consumers do not exhaust their input cursors.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/756f8e070b5fbf6728ecefbd625601f3dd7e75a0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/756f8e070b5fbf6728ecefbd625601f3dd7e75a0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2057268" author="ian@10gen.com" created="Fri, 9 Nov 2018 16:23:13 +0000"  >&lt;p&gt;a related improvement would be to have an exchange consumer waiting on the condition variable able to be killed.&lt;/p&gt;</comment>
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