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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-22204] Tests should lower WT cache size</title>
                <link>https://jira.mongodb.org/browse/SERVER-22204</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently each mongod gets the default of 60% of total memory. This causes a problem when running tests in parallel since 2 mongods are told they can use over 100% of ram. This is exacerbated by test that spawn many mongods (eg tests of sharded replica sets).&lt;/p&gt;</description>
                <environment></environment>
        <key id="258919">SERVER-22204</key>
            <summary>Tests should lower WT cache size</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="michael.grundy">Michael Grundy</assignee>
                                    <reporter username="mathias@mongodb.com">Mathias Stearn</reporter>
                        <labels>
                            <label>test-only</label>
                    </labels>
                <created>Fri, 15 Jan 2016 20:38:06 +0000</created>
                <updated>Wed, 31 May 2017 03:09:02 +0000</updated>
                            <resolved>Mon, 13 Jun 2016 20:37:30 +0000</resolved>
                                                    <fixVersion>3.2.8</fixVersion>
                    <fixVersion>3.3.9</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="1296993" author="xgen-internal-githook" created="Thu, 16 Jun 2016 18:57:02 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;mgrundy&apos;, u&apos;name&apos;: u&apos;Mike Grundy&apos;, u&apos;email&apos;: u&apos;michael.grundy@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22204&quot; title=&quot;Tests should lower WT cache size&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22204&quot;&gt;&lt;del&gt;SERVER-22204&lt;/del&gt;&lt;/a&gt; Tests should lower WT cache size&lt;/p&gt;

&lt;p&gt;(cherry picked from commit dd3d9e3077094a7a19943c8973175725276348db)&lt;/p&gt;

&lt;p&gt;Conflicts:&lt;br/&gt;
	etc/evergreen.yml&lt;br/&gt;
	src/mongo/shell/utils.js&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f353b945a5fb1e02fa27818dcde89e658f16a91f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f353b945a5fb1e02fa27818dcde89e658f16a91f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1292756" author="michael.grundy@10gen.com" created="Mon, 13 Jun 2016 20:37:30 +0000"  >&lt;p&gt;mongod will now be launched with --wiredTigerCacheSizeGB=1 by resmoke.py&lt;/p&gt;</comment>
                            <comment id="1292750" author="xgen-internal-githook" created="Mon, 13 Jun 2016 20:34:52 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;mgrundy&apos;, u&apos;name&apos;: u&apos;Mike Grundy&apos;, u&apos;email&apos;: u&apos;michael.grundy@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22204&quot; title=&quot;Tests should lower WT cache size&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22204&quot;&gt;&lt;del&gt;SERVER-22204&lt;/del&gt;&lt;/a&gt; Tests should lower WT cache size&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/dd3d9e3077094a7a19943c8973175725276348db&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/dd3d9e3077094a7a19943c8973175725276348db&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1282854" author="robert.guo" created="Thu, 2 Jun 2016 20:12:07 +0000"  >&lt;p&gt;rocks has a similar server option called &quot;rocksdbCacheSizeGB&quot;&lt;/p&gt;

&lt;p&gt;See this commit for some more detail: &lt;a href=&quot;https://github.com/mongodb-partners/mongo-rocks/commit/982c182382fdb0de1ebd1c9770bc9fa79372f893&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb-partners/mongo-rocks/commit/982c182382fdb0de1ebd1c9770bc9fa79372f893&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1145538" author="redbeard0531" created="Fri, 15 Jan 2016 20:43:31 +0000"  >&lt;p&gt;We could remove the workaround committed under &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21752&quot; title=&quot;slow2_wt fails by exhausting host machine&amp;#39;s memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21752&quot;&gt;&lt;del&gt;SERVER-21752&lt;/del&gt;&lt;/a&gt; if this is implemented.&lt;/p&gt;</comment>
                    </comments>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="238082">SERVER-21752</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="299411">SERVER-24946</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="300119">SERVER-24990</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="386699">SERVER-29366</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="292221">SERVER-24456</issuekey>
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