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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-27783] Remove unnecessary lock in SyncSourceFeedback</title>
                <link>https://jira.mongodb.org/browse/SERVER-27783</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We currently &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c91b93d2786342505fd9e151c8aa6b68ee03a1fb/src/mongo/db/repl/sync_source_feedback.cpp#L88&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;take a lock&lt;/a&gt; to get the ReplicationCoordinator and then prepare a ReplSetUpdatePosition command. None of these things need a lock and it appears to mostly be a vestige of old code that needed it. This will also help the backport of the LastVote work to 3.2.&lt;/p&gt;</description>
                <environment></environment>
        <key id="347966">SERVER-27783</key>
            <summary>Remove unnecessary lock in SyncSourceFeedback</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="9">Done</resolution>
                                        <assignee username="judah.schvimer@mongodb.com">Judah Schvimer</assignee>
                                    <reporter username="judah.schvimer@mongodb.com">Judah Schvimer</reporter>
                        <labels>
                    </labels>
                <created>Mon, 23 Jan 2017 15:12:10 +0000</created>
                <updated>Wed, 5 Apr 2017 11:42:15 +0000</updated>
                            <resolved>Mon, 23 Jan 2017 19:37:19 +0000</resolved>
                                                    <fixVersion>3.2.12</fixVersion>
                    <fixVersion>3.4.3</fixVersion>
                    <fixVersion>3.5.2</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1492817" author="xgen-internal-githook" created="Mon, 6 Feb 2017 15:32:02 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;judahschvimer&apos;, u&apos;name&apos;: u&apos;Judah Schvimer&apos;, u&apos;email&apos;: u&apos;judah@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27783&quot; title=&quot;Remove unnecessary lock in SyncSourceFeedback&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27783&quot;&gt;&lt;del&gt;SERVER-27783&lt;/del&gt;&lt;/a&gt; Removed unnecessary lock in SyncSourceFeedback&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 52f8f4d7639219f12bf696f0538bc13af04a3708)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/26cf18218abab11ab09be79cbfafc0f9882de8af&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/26cf18218abab11ab09be79cbfafc0f9882de8af&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1483785" author="xgen-internal-githook" created="Tue, 24 Jan 2017 14:56:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;judahschvimer&apos;, u&apos;name&apos;: u&apos;Judah Schvimer&apos;, u&apos;email&apos;: u&apos;judah@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27783&quot; title=&quot;Remove unnecessary lock in SyncSourceFeedback&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27783&quot;&gt;&lt;del&gt;SERVER-27783&lt;/del&gt;&lt;/a&gt; removed SyncSourceFeedback lock around preparing ReplSetUpdatePosition commands&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a89275be8ed3401c3f00357b90720fcee94e3f79&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a89275be8ed3401c3f00357b90720fcee94e3f79&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1483032" author="benety.goh" created="Mon, 23 Jan 2017 20:20:12 +0000"  >&lt;p&gt;This lock became unnecessary when we removed the _handshakeNeeded field in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15698&quot; title=&quot;Remove support for RIDs in slave tracking&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15698&quot;&gt;&lt;del&gt;SERVER-15698&lt;/del&gt;&lt;/a&gt;:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7ed5259ea72ad18e6b56450d7e23a269191b424a#diff-35adcec92a9510aef189e95a6ccd74d8L206&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7ed5259ea72ad18e6b56450d7e23a269191b424a#diff-35adcec92a9510aef189e95a6ccd74d8L206&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1482965" author="xgen-internal-githook" created="Mon, 23 Jan 2017 19:36:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;judahschvimer&apos;, u&apos;name&apos;: u&apos;Judah Schvimer&apos;, u&apos;email&apos;: u&apos;judah@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27783&quot; title=&quot;Remove unnecessary lock in SyncSourceFeedback&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27783&quot;&gt;&lt;del&gt;SERVER-27783&lt;/del&gt;&lt;/a&gt; Removed unnecessary lock in SyncSourceFeedback&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/52f8f4d7639219f12bf696f0538bc13af04a3708&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/52f8f4d7639219f12bf696f0538bc13af04a3708&lt;/a&gt;&lt;/p&gt;</comment>
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