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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <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-33473] Make WT ticket acquisition interruptible</title>
                <link>https://jira.mongodb.org/browse/SERVER-33473</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33289&quot; title=&quot;Release WT tickets when stashing RecoveryUnit&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33289&quot;&gt;&lt;del&gt;SERVER-33289&lt;/del&gt;&lt;/a&gt; causes WT tickets to be released when transaction resources are stashed and reacquired when transaction resources are unstashed. This has the potential to introduce a deadlock, since we are acquiring a WT ticket while holding locks. We do not believe it is possible to introduce a deadlock today, since we are only holding intent locks in transactions (with the exception of &lt;tt&gt;$isolated&lt;/tt&gt; updates or deletes), but we could introduce a deadlock in the future if transactions can take strong locks. For this reason, we would like to make WT ticket acquisition interruptible, so that it can be interrupted by &lt;tt&gt;killOp&lt;/tt&gt; or &lt;tt&gt;maxTimeMS&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="501783">SERVER-33473</key>
            <summary>Make WT ticket acquisition interruptible</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="louis.williams@mongodb.com">Louis Williams</assignee>
                                    <reporter username="tess.avitabile@mongodb.com">Tess Avitabile</reporter>
                        <labels>
                    </labels>
                <created>Fri, 23 Feb 2018 20:27:49 +0000</created>
                <updated>Sun, 29 Oct 2023 22:34:28 +0000</updated>
                            <resolved>Tue, 6 Mar 2018 16:56:38 +0000</resolved>
                                                    <fixVersion>3.7.3</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1824583" author="xgen-internal-githook" created="Tue, 6 Mar 2018 16:18:17 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;louis.williams@mongodb.com&apos;, &apos;name&apos;: &apos;Louis Williams&apos;, &apos;username&apos;: &apos;louiswilliams&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33473&quot; title=&quot;Make WT ticket acquisition interruptible&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33473&quot;&gt;&lt;del&gt;SERVER-33473&lt;/del&gt;&lt;/a&gt; Make WT ticket acquisition interruptible&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c919de588502045e41e3801d86a688981e01d223&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c919de588502045e41e3801d86a688981e01d223&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1817670" author="milkie" created="Tue, 27 Feb 2018 20:28:23 +0000"  >&lt;p&gt;If it isn&apos;t much work, we should do it.  The fuzzer could possibly try this and fail, if we do not prohibit it.&lt;/p&gt;</comment>
                            <comment id="1817665" author="tess.avitabile" created="Tue, 27 Feb 2018 20:26:08 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=milkie&quot; class=&quot;user-hover&quot; rel=&quot;milkie&quot;&gt;milkie&lt;/a&gt;, do you think we should ban &lt;tt&gt;$isolated&lt;/tt&gt;/&lt;tt&gt;$atomic&lt;/tt&gt; in local snapshot reads / multi-statement transactions even though we are doing this work? It would be unfortunate to have a deadlock until the &lt;tt&gt;maxTimeMS&lt;/tt&gt; expires (or forever, if there is no &lt;tt&gt;maxTimeMS&lt;/tt&gt; on the operation).&lt;/p&gt;</comment>
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