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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-19135] Tune default cache size settings for WiredTiger</title>
                <link>https://jira.mongodb.org/browse/SERVER-19135</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Want to adjust the default number we use at startup to set the WiredTiger cache size.  This is settable using the &lt;tt&gt;--cacheSizeGB&lt;/tt&gt; startup parameter and is currently set to 1/2 of available memory with a 1GB floor.  We need to account for smaller machines/VMs as well as account for TCMalloc cache, file system cache, OS.&lt;/p&gt;</description>
                <environment></environment>
        <key id="213059">SERVER-19135</key>
            <summary>Tune default cache size settings for WiredTiger</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="dan@mongodb.com">Daniel Pasette</reporter>
                        <labels>
                    </labels>
                <created>Thu, 25 Jun 2015 16:42:50 +0000</created>
                <updated>Sat, 19 Sep 2015 00:05:41 +0000</updated>
                            <resolved>Mon, 29 Jun 2015 16:44:09 +0000</resolved>
                                                    <fixVersion>3.1.5</fixVersion>
                                    <component>WiredTiger</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="951698" author="xgen-internal-githook" created="Fri, 26 Jun 2015 12:22:35 +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-19135&quot; title=&quot;Tune default cache size settings for WiredTiger&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19135&quot;&gt;&lt;del&gt;SERVER-19135&lt;/del&gt;&lt;/a&gt;: Autoscale WT cache size as 60% of RAM -1GB&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3fa33903f4707e80a05b6e1a29d82f595ddb8531&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3fa33903f4707e80a05b6e1a29d82f595ddb8531&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="950958" author="eitan.klein" created="Thu, 25 Jun 2015 18:25:17 +0000"  >&lt;p&gt;More data points related to this issue &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-18675&quot; title=&quot;WiredTiger default configuration should be adjusted for laptop (e.g. default cache size should be &amp;lt;2G)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-18675&quot;&gt;&lt;del&gt;SERVER-18675&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="225488">SERVER-19932</issuekey>
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            <issuekey id="206754">SERVER-18675</issuekey>
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