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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-46631] Optimize TicketHolder::waitForTicketUntil()</title>
                <link>https://jira.mongodb.org/browse/SERVER-46631</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This function blocks on a semaphore until a timeout is reached. In the case that we are not contending with other threads to acquire the semaphore, this function need not read the clock in order to calculate its deadline. Reading the clock can be expensive, so it would be beneficial to avoid this work in the common case.&lt;/p&gt;

&lt;p&gt;This function is worth optimizing, since it&apos;s on the hot path for acquiring a global lock, which pretty much all database operations need to do.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1227743">SERVER-46631</key>
            <summary>Optimize TicketHolder::waitForTicketUntil()</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Wed, 4 Mar 2020 23:14:16 +0000</created>
                <updated>Sun, 29 Oct 2023 22:11:15 +0000</updated>
                            <resolved>Fri, 6 Mar 2020 21:17:23 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Concurrency</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2949258" author="xgen-internal-githook" created="Fri, 6 Mar 2020 20:40:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;dstorch&apos;, &apos;name&apos;: &apos;David Storch&apos;, &apos;email&apos;: &apos;david.storch@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46631&quot; title=&quot;Optimize TicketHolder::waitForTicketUntil()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46631&quot;&gt;&lt;del&gt;SERVER-46631&lt;/del&gt;&lt;/a&gt; Optimize acquiring a ticket from TicketHolder in the uncontended case&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4f1af057ed0434099fe13dbaa50b00589d84bb48&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4f1af057ed0434099fe13dbaa50b00589d84bb48&lt;/a&gt;&lt;/p&gt;</comment>
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