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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-21464] tcmalloc seems to suffer more from fragmentation in 3.2.0-rc2 than 3.0.x</title>
                <link>https://jira.mongodb.org/browse/SERVER-21464</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Extended runs with large numbers of threads seem to lead to tcmalloc thrashing for memory. &lt;/p&gt;</description>
                <environment></environment>
        <key id="239459">SERVER-21464</key>
            <summary>tcmalloc seems to suffer more from fragmentation in 3.2.0-rc2 than 3.0.x</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="martin.bligh">Martin Bligh</assignee>
                                    <reporter username="martin.bligh">Martin Bligh</reporter>
                        <labels>
                    </labels>
                <created>Sun, 15 Nov 2015 21:26:43 +0000</created>
                <updated>Tue, 17 Nov 2015 18:34:24 +0000</updated>
                            <resolved>Tue, 17 Nov 2015 14:59:19 +0000</resolved>
                                                    <fixVersion>3.2.0-rc3</fixVersion>
                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1088810" author="xgen-internal-githook" created="Sun, 15 Nov 2015 21:28:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;martinbligh&apos;, u&apos;name&apos;: u&apos;Martin Bligh&apos;, u&apos;email&apos;: u&apos;mbligh@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21464&quot; title=&quot;tcmalloc seems to suffer more from fragmentation in 3.2.0-rc2 than 3.0.x&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21464&quot;&gt;&lt;del&gt;SERVER-21464&lt;/del&gt;&lt;/a&gt;: Return all threaed-local memory to tcmalloc central cache when a thread goes idle&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7790034b4b1cba68d44a8df920edd64cc05ccdd9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7790034b4b1cba68d44a8df920edd64cc05ccdd9&lt;/a&gt;&lt;/p&gt;</comment>
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