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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-20161] Change snapshot thread notification to CappedInserterNotifier</title>
                <link>https://jira.mongodb.org/browse/SERVER-20161</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This removes contention on the newOptime mutex, and uses the common capped insert notifier (from collection) instead of requiring the snapshot thread be in the oplog cpp unit.&lt;/p&gt;

&lt;p&gt;This is part of the ongoing performance work for writes and replication on the primary.&lt;/p&gt;</description>
                <environment></environment>
        <key id="227302">SERVER-20161</key>
            <summary>Change snapshot thread notification to CappedInserterNotifier</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="spencer@mongodb.com">Spencer Brody</assignee>
                                    <reporter username="scotthernandez">Scott Hernandez</reporter>
                        <labels>
                    </labels>
                <created>Thu, 27 Aug 2015 13:02:40 +0000</created>
                <updated>Fri, 18 Nov 2016 20:50:44 +0000</updated>
                            <resolved>Fri, 18 Nov 2016 20:50:44 +0000</resolved>
                                    <version>3.1.7</version>
                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="1040359" author="xgen-internal-githook" created="Tue, 22 Sep 2015 22:13:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;scotthernandez&apos;, u&apos;name&apos;: u&apos;Scott Hernandez&apos;, u&apos;email&apos;: u&apos;scotthernandez@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20572&quot; title=&quot;Investigate snapshot thread performance for read committed queries on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20572&quot;&gt;&lt;del&gt;SERVER-20572&lt;/del&gt;&lt;/a&gt;: revert snapshot thread using cappedInsertNotifier for performance evaluation (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20161&quot; title=&quot;Change snapshot thread notification to CappedInserterNotifier&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20161&quot;&gt;&lt;del&gt;SERVER-20161&lt;/del&gt;&lt;/a&gt;)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9eeac28ad54382ddf3fa46dddbc704a36da7a5ac&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9eeac28ad54382ddf3fa46dddbc704a36da7a5ac&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1039803" author="xgen-internal-githook" created="Tue, 22 Sep 2015 15:07:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;scotthernandez&apos;, u&apos;name&apos;: u&apos;Scott Hernandez&apos;, u&apos;email&apos;: u&apos;scotthernandez@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20161&quot; title=&quot;Change snapshot thread notification to CappedInserterNotifier&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20161&quot;&gt;&lt;del&gt;SERVER-20161&lt;/del&gt;&lt;/a&gt;: mutex must be declared first&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e7135319261dbe267027e450b3a23ded1495575a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e7135319261dbe267027e450b3a23ded1495575a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1039579" author="xgen-internal-githook" created="Tue, 22 Sep 2015 12:01:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;scotthernandez&apos;, u&apos;name&apos;: u&apos;Scott Hernandez&apos;, u&apos;email&apos;: u&apos;scotthernandez@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20161&quot; title=&quot;Change snapshot thread notification to CappedInserterNotifier&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20161&quot;&gt;&lt;del&gt;SERVER-20161&lt;/del&gt;&lt;/a&gt;: move snapshot notification to capped collection notifier&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/87a5a53a3b3e6d6d30657a846434811da8ecee6c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/87a5a53a3b3e6d6d30657a846434811da8ecee6c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1027758" author="xgen-internal-githook" created="Fri, 11 Sep 2015 18:49:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;scotthernandez&apos;, u&apos;name&apos;: u&apos;Scott Hernandez&apos;, u&apos;email&apos;: u&apos;scotthernandez@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20161&quot; title=&quot;Change snapshot thread notification to CappedInserterNotifier&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20161&quot;&gt;&lt;del&gt;SERVER-20161&lt;/del&gt;&lt;/a&gt;: allow capped collection insert notifier to externally notified&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e582523ba15d9fae2af2318e1f2c5e23f82c40ff&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e582523ba15d9fae2af2318e1f2c5e23f82c40ff&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="231059">SERVER-20572</issuekey>
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