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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>
    </build-info>


<item>
            <title>[SERVER-23391] Improve behavior when running under WiredTiger on machines with little memory</title>
                <link>https://jira.mongodb.org/browse/SERVER-23391</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If mongod is run on a machine with a very small amount of memory, for example &amp;lt;1 GB, it still configures a default 1 GB cache. This will almost certainly result in eventual failure of mongod when cache usage approaches the configured maximum and memory is exhausted. We could improve the user experience by either&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;fail early - refuse to start up in such a configuration&lt;/li&gt;
	&lt;li&gt;configure WT with a smaller cache by default&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="275704">SERVER-23391</key>
            <summary>Improve behavior when running under WiredTiger on machines with little memory</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="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="bruce.lucas@mongodb.com">Bruce Lucas</reporter>
                        <labels>
                    </labels>
                <created>Tue, 29 Mar 2016 12:44:17 +0000</created>
                <updated>Tue, 6 Dec 2022 04:29:30 +0000</updated>
                            <resolved>Sat, 16 Apr 2016 02:21:26 +0000</resolved>
                                                    <fixVersion>3.3.5</fixVersion>
                                    <component>Admin</component>
                    <component>WiredTiger</component>
                                        <votes>0</votes>
                                    <watches>14</watches>
                                                                                                                <comments>
                            <comment id="1237810" author="xgen-internal-githook" created="Sat, 16 Apr 2016 02:20:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;monkey101&apos;, u&apos;name&apos;: u&apos;Dan Pasette&apos;, u&apos;email&apos;: u&apos;dan@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23391&quot; title=&quot;Improve behavior when running under WiredTiger on machines with little memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23391&quot;&gt;&lt;del&gt;SERVER-23391&lt;/del&gt;&lt;/a&gt; Lower WiredTiger cache size floor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9406722720821f7152f44ddcfd12a6447ec58ae4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9406722720821f7152f44ddcfd12a6447ec58ae4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1237808" author="xgen-internal-githook" created="Sat, 16 Apr 2016 02:20:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;monkey101&apos;, u&apos;name&apos;: u&apos;Dan Pasette&apos;, u&apos;email&apos;: u&apos;dan@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23391&quot; title=&quot;Improve behavior when running under WiredTiger on machines with little memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23391&quot;&gt;&lt;del&gt;SERVER-23391&lt;/del&gt;&lt;/a&gt; Lower WiredTiger cache size floor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/b268e0b8bcf8a99dce40bab71077ab355df71227&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/b268e0b8bcf8a99dce40bab71077ab355df71227&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1231197" author="xgen-internal-githook" created="Sat, 9 Apr 2016 19:00:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;GeertBosch&apos;, u&apos;name&apos;: u&apos;Geert Bosch&apos;, u&apos;email&apos;: u&apos;geert@mongodb.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23391&quot; title=&quot;Improve behavior when running under WiredTiger on machines with little memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23391&quot;&gt;&lt;del&gt;SERVER-23391&lt;/del&gt;&lt;/a&gt; Lower WiredTiger cache size floor&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 5ee7b56b5b625dc62ef80ce4f5742ab837097567.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c5fcd8a55623a97e34879ec36d47dc1b1d675de5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c5fcd8a55623a97e34879ec36d47dc1b1d675de5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1230785" author="xgen-internal-githook" created="Fri, 8 Apr 2016 20:52:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;monkey101&apos;, u&apos;name&apos;: u&apos;Dan Pasette&apos;, u&apos;email&apos;: u&apos;dan@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23391&quot; title=&quot;Improve behavior when running under WiredTiger on machines with little memory&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23391&quot;&gt;&lt;del&gt;SERVER-23391&lt;/del&gt;&lt;/a&gt; Lower WiredTiger cache size floor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5ee7b56b5b625dc62ef80ce4f5742ab837097567&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5ee7b56b5b625dc62ef80ce4f5742ab837097567&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1218455" author="dan@10gen.com" created="Tue, 29 Mar 2016 17:30:38 +0000"  >&lt;p&gt;I think our initial assumption that WT needed at least 1GB cache for proper operation was misguided.  We can simply remove the 1GB floor here without any risk IMO:&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/storage/wiredtiger/wiredtiger_init.cpp#L74-L76&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/master/src/mongo/db/storage/wiredtiger/wiredtiger_init.cpp#L74-L76&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                            <outwardlinks description="depends on">
                                        <issuelink>
            <issuekey id="279118">SERVER-23658</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="277588">SERVER-23538</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                            <issuelinktype id="10320">
                    <name>Documented</name>
                                                                <inwardlinks description="is documented by">
                                        <issuelink>
            <issuekey id="280191">DOCS-7669</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="333111">SERVER-27131</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="278546">SERVER-23624</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="275283">SERVER-23362</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
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