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    <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-15395] Remove &quot;last 100 write lock%&quot; &amp; &quot;write locked now&quot; from HTTP console</title>
                <link>https://jira.mongodb.org/browse/SERVER-15395</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The HTTP console has a section that displays:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Last 100 write lock %&lt;/li&gt;
	&lt;li&gt;A &quot;write locked now&quot; boolean&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;The first displays all zeros as the metric that captures is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r2.7.6/src/mongo/db/stats/snapshots.cpp#L47&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;commented out&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The second was arguably useful prior to database locks but less so once document level locking is in place.&lt;/p&gt;

&lt;p&gt;Removing these statistics will allow for reduction in the volume of statistics we gather and a lower memory footprint. Especially for mongod instances with a large # of collections, as we store stat snapshots at the collection level.&lt;/p&gt;</description>
                <environment></environment>
        <key id="160177">SERVER-15395</key>
            <summary>Remove &quot;last 100 write lock%&quot; &amp; &quot;write locked now&quot; from HTTP console</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="james.wahlin@mongodb.com">James Wahlin</assignee>
                                    <reporter username="james.wahlin@mongodb.com">James Wahlin</reporter>
                        <labels>
                    </labels>
                <created>Thu, 25 Sep 2014 13:27:02 +0000</created>
                <updated>Wed, 28 Sep 2016 18:34:05 +0000</updated>
                            <resolved>Fri, 3 Apr 2015 17:01:11 +0000</resolved>
                                    <version>2.7.6</version>
                                    <fixVersion>3.1.1</fixVersion>
                                    <component>HTTP Console</component>
                    <component>Performance</component>
                    <component>Usability</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="872396" author="xgen-internal-githook" created="Fri, 3 Apr 2015 16:57:20 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;name&apos;: u&apos;James Wahlin&apos;, u&apos;email&apos;: u&apos;james.wahlin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15395&quot; title=&quot;Remove &amp;quot;last 100 write lock%&amp;quot; &amp;amp; &amp;quot;write locked now&amp;quot; from HTTP console&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15395&quot;&gt;&lt;del&gt;SERVER-15395&lt;/del&gt;&lt;/a&gt; Remove lock stats from web interface&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/998cf155edc16019758d163e8f844c0986996bcf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/998cf155edc16019758d163e8f844c0986996bcf&lt;/a&gt;&lt;/p&gt;</comment>
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                <issuelinks>
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                                                                <inwardlinks description="is documented by">
                                        <issuelink>
            <issuekey id="319632">DOCS-8993</issuekey>
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                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="153928">SERVER-14978</issuekey>
        </issuelink>
                            </outwardlinks>
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                                        <issuelink>
            <issuekey id="171590">SERVER-16342</issuekey>
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