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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-67325] Collection creation must be disallowed for collections undergoing a rename</title>
                <link>https://jira.mongodb.org/browse/SERVER-67325</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The RenameCollectionCoordinator does the following:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Disallow all other DDL operations (excluding create) for the same db&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/s/rename_collection_coordinator.cpp#L227-L228&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Check&lt;/a&gt; that the options are valid (e.g. make sure &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c4ba4a3e074bcf6e5c64cbedf90e92ba0e0353c2/src/mongo/db/s/sharding_ddl_util.cpp#L380-L383&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;that the target collection does not exist if dropTarget = true&lt;/a&gt;).
	&lt;ol&gt;
		&lt;li&gt;If checks are passing, the coordinator is not flagged as &quot;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/c4ba4a3e074bcf6e5c64cbedf90e92ba0e0353c2/src/mongo/db/s/rename_collection_coordinator.cpp#L240&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;complete on error&lt;/a&gt;&quot;.&lt;/li&gt;
	&lt;/ol&gt;
	&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/c4ba4a3e074bcf6e5c64cbedf90e92ba0e0353c2/src/mongo/db/s/rename_collection_coordinator.cpp#L305-L307&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Rename participant commandss are invoked on each shard&lt;/a&gt;, the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c4ba4a3e074bcf6e5c64cbedf90e92ba0e0353c2/src/mongo/db/s/rename_collection_participant_service.cpp#L315-L323&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;critical section is acquired&lt;/a&gt; for both collections.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;This flow is faulty because if an explicit/implicit create sneaks in between bullets 2 and 3, this causes the rename participant that is executing on the shard primary to hang indefinitely. &lt;/p&gt;</description>
                <environment></environment>
        <key id="2070330">SERVER-67325</key>
            <summary>Collection creation must be disallowed for collections undergoing a rename</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="silvia.surroca@mongodb.com">Silvia Surroca</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Thu, 16 Jun 2022 08:09:57 +0000</created>
                <updated>Sun, 29 Oct 2023 21:36:46 +0000</updated>
                            <resolved>Mon, 27 Jun 2022 09:00:58 +0000</resolved>
                                    <version>5.0.10</version>
                    <version>5.3.3</version>
                    <version>6.0.0-rc11</version>
                    <version>6.1.0-rc0</version>
                                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4640981" author="xgen-internal-githook" created="Mon, 27 Jun 2022 08:10:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Silvia Surroca&apos;, &apos;email&apos;: &apos;silvia.surroca@mongodb.com&apos;, &apos;username&apos;: &apos;silviasuhu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-67325&quot; title=&quot;Collection creation must be disallowed for collections undergoing a rename&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-67325&quot;&gt;&lt;del&gt;SERVER-67325&lt;/del&gt;&lt;/a&gt; Collection creation must be disallowed for collections undergoing a rename&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/08f1e1401f2d527d98f7c5c6f384e28f63a75989&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/08f1e1401f2d527d98f7c5c6f384e28f63a75989&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2245307">SERVER-73385</issuekey>
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                            <issuelinktype id="10012">
                    <name>Related</name>
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            <issuekey id="2084523">SERVER-67845</issuekey>
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