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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-74876] Evaluate which immer memory policy to use</title>
                <link>https://jira.mongodb.org/browse/SERVER-74876</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;By default it looks like immer is using reference counting, a memory allocator with an internal free list and a spinlock for locking.&lt;/p&gt;

&lt;p&gt;We should probably not use a free list and let tcmalloc handle free&apos;d memory efficiently. We should investigate what the lock is used for and determine what is the correct lock primitive for our needs.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2288750">SERVER-74876</key>
            <summary>Evaluate which immer memory policy to use</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13201">Fixed</resolution>
                                        <assignee username="henrik.edin@mongodb.com">Henrik Edin</assignee>
                                    <reporter username="henrik.edin@mongodb.com">Henrik Edin</reporter>
                        <labels>
                            <label>lib-immer</label>
                    </labels>
                <created>Wed, 15 Mar 2023 12:48:05 +0000</created>
                <updated>Thu, 18 Jan 2024 04:46:21 +0000</updated>
                            <resolved>Wed, 29 Mar 2023 12:40:40 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                    <fixVersion>5.0.25</fixVersion>
                    <fixVersion>6.0.14</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="6020530" author="xgen-internal-githook" created="Thu, 18 Jan 2024 04:16:28 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Henrik Edin&apos;, &apos;email&apos;: &apos;henrik.edin@mongodb.com&apos;, &apos;username&apos;: &apos;henrikedin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74876&quot; title=&quot;Evaluate which immer memory policy to use&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74876&quot;&gt;&lt;del&gt;SERVER-74876&lt;/del&gt;&lt;/a&gt; Set memory_policy for containers backed by immer library&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 060e4839b6f44abfedb3cd38d836095df73a7ade)&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: 63dc63ba0013e26ff678cf0b49f3ece7e7199eda&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e402d246796b8030782ad4bfeef98ce4ea49e1c3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e402d246796b8030782ad4bfeef98ce4ea49e1c3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="6017050" author="xgen-internal-githook" created="Wed, 17 Jan 2024 13:01:24 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Henrik Edin&apos;, &apos;email&apos;: &apos;henrik.edin@mongodb.com&apos;, &apos;username&apos;: &apos;henrikedin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74876&quot; title=&quot;Evaluate which immer memory policy to use&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74876&quot;&gt;&lt;del&gt;SERVER-74876&lt;/del&gt;&lt;/a&gt; Set memory_policy for containers backed by immer library&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 060e4839b6f44abfedb3cd38d836095df73a7ade)&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: f13ee1e523a8d497f08d104f92c340956e1d2ad9&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/286bec3f314b0e19bf1076c389106d90d1a4f4f7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/286bec3f314b0e19bf1076c389106d90d1a4f4f7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5307947" author="xgen-internal-githook" created="Wed, 29 Mar 2023 01:10:17 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Henrik Edin&apos;, &apos;email&apos;: &apos;henrik.edin@mongodb.com&apos;, &apos;username&apos;: &apos;henrikedin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74876&quot; title=&quot;Evaluate which immer memory policy to use&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74876&quot;&gt;&lt;del&gt;SERVER-74876&lt;/del&gt;&lt;/a&gt; Set memory_policy for containers backed by immer library&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/060e4839b6f44abfedb3cd38d836095df73a7ade&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/060e4839b6f44abfedb3cd38d836095df73a7ade&lt;/a&gt;&lt;/p&gt;</comment>
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