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    <title>MongoDB Jira</title>
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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>[COMPASS-6742] Investigate changes in PM-3231: Test and Integrate TCMalloc Upgrade Fleet-Wide</title>
                <link>https://jira.mongodb.org/browse/COMPASS-6742</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    If the new TCMalloc version is integrated as part of this project, certain $serverStatus stats related to TCMalloc will no longer be available. Full details to follow if this projects decides to integrate new TCMalloc.&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
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&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;

&lt;p&gt;Test TCMalloc on the Atlas fleet, and if criteria is met to upgrade, integrate TCMalloc into the MongoDB codebase.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;

&lt;p&gt;Some power users of MongoDB run into trouble with the current tcmalloc memory allocator, where it can either severely bottleneck performance or instances can run out of free heap memory due to inefficiencies in allocation strategy. The new version of tcmalloc is used internally by Google and has the potential to fix these issues as well as improve performance for all Linux users.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;

&lt;p&gt;&lt;a href=&quot;https://docs.google.com/document/d/1bOxl-Q_AbWD2d56UbI4aSctsIrsWdmig8I42KVsy4-w/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/15ARcvg6SJngxWnJrp7VoOqJeI-xFzATX662PRCgfcp8/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1AlIYUpV-RrORncCT8ce_-fO0CV6uV0UN1WF9rpXFAJs/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1oG379tJqbwqEkBAtmqyYjROPJPFF--J7AimOR2vMBws/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Docs Update&lt;/a&gt;&lt;/p&gt;
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                <environment></environment>
        <key id="2318501">COMPASS-6742</key>
            <summary>Investigate changes in PM-3231: Test and Integrate TCMalloc Upgrade Fleet-Wide</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</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="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
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                <created>Wed, 19 Apr 2023 13:49:15 +0000</created>
                <updated>Mon, 1 May 2023 19:12:55 +0000</updated>
                            <resolved>Mon, 1 May 2023 19:12:55 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5391873" author="rhys.howell" created="Mon, 1 May 2023 19:12:55 +0000"  >&lt;p&gt;No devtools product impact&lt;/p&gt;</comment>
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