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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-71119] PriorityTicketHolder microbenchmarks cannot be directly compared to SemaphoreTicketHolder</title>
                <link>https://jira.mongodb.org/browse/SERVER-71119</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The PriorityTicketHolder will not have comparable performance to the SemaphoreTicketHolder when the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3fb052e7e6e963dc945afb662489ea14883a554d/src/mongo/util/concurrency/ticketholder_bm.cpp#L93&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;priority of operations are varied&lt;/a&gt;. This is because low priority operations will always wait for the normal priority queue to be cleared in the contended case.&#160;&lt;/p&gt;

&lt;p&gt;Since microbenchmarks are relatively cheap, one option is to have two variations of the PriorityTicketHolder benchruns:&lt;br/&gt;
(1) Where all operations are normal - this allows for a more reasonable direct comparison to SemaphoreTicketHolder performance since the SemaphoreTicketHolder disregards ticket priority&lt;br/&gt;
(2) Where operations are varied low and high - this will allow for iterative comparisons of the PriorityTicketHolder&apos;s performance when it manages a balanced load of low and high priority operations&lt;/p&gt;</description>
                <environment></environment>
        <key id="2176208">SERVER-71119</key>
            <summary>PriorityTicketHolder microbenchmarks cannot be directly compared to SemaphoreTicketHolder</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="haley.connelly@mongodb.com">Haley Connelly</assignee>
                                    <reporter username="haley.connelly@mongodb.com">Haley Connelly</reporter>
                        <labels>
                    </labels>
                <created>Mon, 7 Nov 2022 10:30:40 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:59 +0000</updated>
                            <resolved>Fri, 11 Nov 2022 15:49:58 +0000</resolved>
                                                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4974466" author="xgen-internal-githook" created="Fri, 11 Nov 2022 15:40:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Haley Connelly&apos;, &apos;email&apos;: &apos;haley.connelly@mongodb.com&apos;, &apos;username&apos;: &apos;haleyConnelly&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71119&quot; title=&quot;PriorityTicketHolder microbenchmarks cannot be directly compared to SemaphoreTicketHolder&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71119&quot;&gt;&lt;del&gt;SERVER-71119&lt;/del&gt;&lt;/a&gt; Add PriorityTicketHolder benchmark comparable to SemaphoreTicketHolder&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/48dce7079ead4ec78311132a2e2224b2512ef0d3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/48dce7079ead4ec78311132a2e2224b2512ef0d3&lt;/a&gt;&lt;/p&gt;</comment>
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