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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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            <title>[SERVER-12368] Do not reacquire collection* in recoverFromYield during Update</title>
                <link>https://jira.mongodb.org/browse/SERVER-12368</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;After fixing the underlying issue in update some defensive code was left in recoveryFromYield (update.cpp) which is (probably) no longer needed and will only degrade performance because of the mutexes needed to reacquire the collection*.&lt;/p&gt;</description>
                <environment></environment>
        <key id="106217">SERVER-12368</key>
            <summary>Do not reacquire collection* in recoverFromYield during Update</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="9">Done</resolution>
                                        <assignee username="scotthernandez">Scott Hernandez</assignee>
                                    <reporter username="scotthernandez">Scott Hernandez</reporter>
                        <labels>
                            <label>mutex</label>
                            <label>perfomance</label>
                            <label>update</label>
                    </labels>
                <created>Wed, 15 Jan 2014 18:14:43 +0000</created>
                <updated>Fri, 12 Jun 2015 15:07:58 +0000</updated>
                            <resolved>Fri, 12 Jun 2015 15:07:58 +0000</resolved>
                                                                    <component>Internal Code</component>
                    <component>Performance</component>
                    <component>Write Ops</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="938953" author="scotthernandez" created="Fri, 12 Jun 2015 15:07:58 +0000"  >&lt;p&gt;After the rewrite of update into a (query system) stage the collection* is now valid for the lifetime of the update, and the update cannot resume from a yield if the collection changes because the update will be killed, from the query side of things, resulting in the update ending during/before yield recovery.&lt;/p&gt;</comment>
                            <comment id="938332" author="schwerin" created="Thu, 11 Jun 2015 21:33:36 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=scotthernandez&quot; class=&quot;user-hover&quot; rel=&quot;scotthernandez&quot;&gt;scotthernandez&lt;/a&gt;, is this still a problem?&lt;/p&gt;</comment>
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