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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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-42901] Use LockerImpl for the startup code path instead of LockerNoop</title>
                <link>https://jira.mongodb.org/browse/SERVER-42901</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26879&quot; title=&quot;Get rid of LockerNoop&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26879&quot;&gt;&lt;del&gt;SERVER-26879&lt;/del&gt;&lt;/a&gt; proposes getting rid of LockerNoop and de-virtualizing the Locker class.&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35970&quot; title=&quot;Use regular Locker during storage engine initialization&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35970&quot;&gt;&lt;del&gt;SERVER-35970&lt;/del&gt;&lt;/a&gt; proposes a similar task to this ticket in the comments; and in the description it proposes a 3rd Locker implementation for startup.&lt;/p&gt;

&lt;p&gt;OperationContextNoop should be looked into as well. The only place it appears to be used in production is the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/1fb4a3171364014aeff218257334fb1120062c6a/src/mongo/db/storage/storage_engine_impl.cpp#L81&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;StorageEngineImpl constructor&lt;/a&gt;, otherwise just testing.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35970&quot; title=&quot;Use regular Locker during storage engine initialization&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35970&quot;&gt;&lt;del&gt;SERVER-35970&lt;/del&gt;&lt;/a&gt; alludes to the lock manager needing to be initialized earlier during startup in order for the storage engine initialization to use LockerImpls. I have not investigated whether this would be difficult, but there is no known impediment.&lt;/p&gt;</description>
                <environment></environment>
        <key id="900254">SERVER-42901</key>
            <summary>Use LockerImpl for the startup code path instead of LockerNoop</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="13203">Gone away</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                            <label>groomed</label>
                    </labels>
                <created>Mon, 19 Aug 2019 18:01:49 +0000</created>
                <updated>Fri, 27 Oct 2023 20:42:43 +0000</updated>
                            <resolved>Wed, 5 Jul 2023 13:16:54 +0000</resolved>
                                                                    <component>Storage</component>
                                        <votes>1</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5544209" author="kaloian.manassiev" created="Wed, 5 Jul 2023 13:16:54 +0000"  >&lt;p&gt;Gone away as a result of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35970&quot; title=&quot;Use regular Locker during storage engine initialization&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35970&quot;&gt;&lt;del&gt;SERVER-35970&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="2377620" author="dianna.hohensee" created="Mon, 19 Aug 2019 18:05:18 +0000"  >&lt;p&gt;I recommend trying to do this, and if anything surprising arises to consider spinning off additional tickets and re-schedule this with the new information.&lt;/p&gt;</comment>
                            <comment id="2377618" author="dianna.hohensee" created="Mon, 19 Aug 2019 18:04:04 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35970&quot; title=&quot;Use regular Locker during storage engine initialization&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35970&quot;&gt;&lt;del&gt;SERVER-35970&lt;/del&gt;&lt;/a&gt; and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26879&quot; title=&quot;Get rid of LockerNoop&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26879&quot;&gt;&lt;del&gt;SERVER-26879&lt;/del&gt;&lt;/a&gt; should be closed after this ticket is complete.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-30771&quot; title=&quot;investigate oplog stones initialization&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-30771&quot;&gt;&lt;del&gt;SERVER-30771&lt;/del&gt;&lt;/a&gt; and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42221&quot; title=&quot;Add concurrency control to checkpoint requests and expose it to the validation code layer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42221&quot;&gt;&lt;del&gt;SERVER-42221&lt;/del&gt;&lt;/a&gt; both encountered investigative and solution difficulties because of LockerNoop usage during startup.&lt;/p&gt;</comment>
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            <issuekey id="1298170">SERVER-47204</issuekey>
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