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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-38651] Config collections other than `config.system.sessions` are allowed to become sharded</title>
                <link>https://jira.mongodb.org/browse/SERVER-38651</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;For testing purposes, currently the config server allows any collection under the config database to become sharded when the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0991709cf60677b183cc0362e432c095d9ed185f/src/mongo/db/s/config/configsvr_shard_collection_command.cpp#L712&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;testCommands&lt;/tt&gt;&lt;/a&gt; flag has been enabled.&lt;/p&gt;

&lt;p&gt;The collection filtering metadata logic however expects config collections to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0991709cf60677b183cc0362e432c095d9ed185f/src/mongo/db/s/collection_sharding_runtime.cpp#L93&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;never be sharded&lt;/a&gt; and because of this invariants.&lt;/p&gt;

&lt;p&gt;We should prohibit any config collections other than the known system ones to ever become sharded, regardless of whether the &lt;tt&gt;testCommands&lt;/tt&gt; flag is enabled.&lt;/p&gt;</description>
                <environment></environment>
        <key id="654778">SERVER-38651</key>
            <summary>Config collections other than `config.system.sessions` are allowed to become sharded</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="13201">Fixed</resolution>
                                        <assignee username="janna.golden@mongodb.com">Janna Golden</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                            <label>newgrad</label>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Fri, 14 Dec 2018 20:06:31 +0000</created>
                <updated>Sun, 29 Oct 2023 22:25:40 +0000</updated>
                            <resolved>Mon, 14 Jan 2019 23:00:56 +0000</resolved>
                                    <version>3.6.9</version>
                    <version>4.0.4</version>
                    <version>4.1.6</version>
                                    <fixVersion>4.1.7</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2115057" author="janna.golden" created="Tue, 15 Jan 2019 00:09:53 +0000"  >&lt;p&gt;This was committed under the wrong ticket.&lt;/p&gt;

&lt;p&gt;Author:&lt;/p&gt;

{&apos;username&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;name&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38734&quot; title=&quot;POC for change the document shard key&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38734&quot;&gt;&lt;del&gt;SERVER-38734&lt;/del&gt;&lt;/a&gt; Config collections other than config.system.sessions should not be allowed to be sharded&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/aaec89134a7ce96573f06d48307a244cb1da6733&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/aaec89134a7ce96573f06d48307a244cb1da6733&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2114739" author="janna.golden" created="Mon, 14 Jan 2019 20:48:39 +0000"  >&lt;p&gt;Code review url: &lt;a href=&quot;http://mongodbcr.appspot.com/216570001&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://mongodbcr.appspot.com/216570001&lt;/a&gt;&lt;/p&gt;</comment>
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