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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[DOCS-13208] Document driver connection pooling logic</title>
                <link>https://jira.mongodb.org/browse/DOCS-13208</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;
&lt;p&gt;Users are often confused how connection pooling in our drivers works. For example, users are not clear that connection pools are &lt;b&gt;per node&lt;/b&gt; not per cluster and will set &lt;tt&gt;minPoolSize&lt;/tt&gt; and &lt;tt&gt;maxPoolSize&lt;/tt&gt; incorrectly. Users are often unaware that there is a separate monitoring connection per node. This makes it difficult for them to reason about how many connections their application will make to their cluster.&lt;/p&gt;

&lt;p&gt;Since we have written the &lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/connection-monitoring-and-pooling/connection-monitoring-and-pooling.rst&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Connection Monitoring and Pooling (CMAP) spec&lt;/a&gt;, we should digest it down into a DOCS page similar to how &lt;a href=&quot;https://docs.mongodb.com/manual/core/read-preference-mechanics/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Server Selection Algorithm&lt;/a&gt; summarizes our &lt;a href=&quot;https://github.com/mongodb/specifications/tree/master/source/server-selection&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Server Selection spec&lt;/a&gt;.&lt;/p&gt;

&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

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                <environment></environment>
        <key id="992907">DOCS-13208</key>
            <summary>Document driver connection pooling logic</summary>
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                                            <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="12300">Won&apos;t Do</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="james.kovacs@mongodb.com">James Kovacs</reporter>
                        <labels>
                            <label>docs-administration</label>
                            <label>quick-win</label>
                    </labels>
                <created>Thu, 7 Nov 2019 19:54:28 +0000</created>
                <updated>Mon, 30 Oct 2023 20:31:58 +0000</updated>
                            <resolved>Mon, 1 Nov 2021 13:19:23 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>drivers</component>
                    <component>manual</component>
                        <due></due>
                            <votes>1</votes>
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