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    <title>MongoDB Jira</title>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[DOCS-5937] Production notes about WiredTiger</title>
                <link>https://jira.mongodb.org/browse/DOCS-5937</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;This statement in the current prouction notes is incorrect: &quot;The WiredTiger storage engine also ensures that the operating system does not store MongoDB data in swap space.&quot;&lt;/p&gt;

&lt;p&gt;We make no such guarantee: data stored in WiredTiger may be stored in swap space if there is sufficient memory pressure.&lt;/p&gt;

&lt;p&gt;Further, the statements &quot;The MMAPv1 storage engine is not CPU bound...&quot; and &quot;The WiredTiger storage engine is CPU bound&quot; are misleading.&lt;/p&gt;

&lt;p&gt;I think the intent is to say &quot;the MMAPv1 storage engine does not require many CPU cores&quot; and &quot;the WiredTiger storage engine is multithreaded and may require (can take advantage of) many CPU cores&quot;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="223552">DOCS-5937</key>
            <summary>Production notes about WiredTiger</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="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="michael.cahill@mongodb.com">Michael Cahill</reporter>
                        <labels>
                    </labels>
                <created>Fri, 31 Jul 2015 06:29:48 +0000</created>
                <updated>Wed, 11 Jan 2017 22:35:08 +0000</updated>
                            <resolved>Mon, 3 Aug 2015 13:25:03 +0000</resolved>
                                                    <fixVersion>01112017-cleanup</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="994931" author="kay.kim@10gen.com" created="Mon, 3 Aug 2015 13:24:46 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=michael.cahill&quot; class=&quot;user-hover&quot; rel=&quot;michael.cahill&quot;&gt;michael.cahill&lt;/a&gt; &amp;#8211; in truth, I should be thanking you since I just used your words : )&lt;/p&gt;</comment>
                            <comment id="994685" author="michael.cahill" created="Mon, 3 Aug 2015 00:38:25 +0000"  >&lt;p&gt;Thanks, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kay.kim%4010gen.com&quot; class=&quot;user-hover&quot; rel=&quot;kay.kim@10gen.com&quot;&gt;kay.kim@10gen.com&lt;/a&gt;, lgtm!&lt;/p&gt;</comment>
                            <comment id="994154" author="xgen-internal-githook" created="Fri, 31 Jul 2015 19:00:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kay-kim&apos;, u&apos;name&apos;: u&apos;kay&apos;, u&apos;email&apos;: u&apos;kay.kim@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-5937&quot; title=&quot;Production notes about WiredTiger&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-5937&quot;&gt;&lt;del&gt;DOCS-5937&lt;/del&gt;&lt;/a&gt; WT production notes cpu and swap space&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/277d9705e86084185c1fa5d2ed7f3fe908106280&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/277d9705e86084185c1fa5d2ed7f3fe908106280&lt;/a&gt;&lt;/p&gt;</comment>
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