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    <language>en-us</language>    <build-info>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-57641] Legacy renameCollection may proceed renaming a sharded collection</title>
                <link>https://jira.mongodb.org/browse/SERVER-57641</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The legacy-path renameCollection must fail if either the source or the destination collections are sharded. &lt;br/&gt;
It does so by &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a93e160436297f2a853b59e40eeb8c186b1879cf/src/mongo/db/s/shardsvr_rename_collection_command.cpp#L54-L58&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;checking if the filtering metadata has the collection as sharded or not&lt;/a&gt;.  &lt;/p&gt;

&lt;p&gt;There is a situation where after a shardCollection operations has completed writing the config.chunks and config.collections documents, but then steps down &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a93e160436297f2a853b59e40eeb8c186b1879cf/src/mongo/db/s/shard_collection_legacy.cpp#L478&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;before refreshing the filtering metadata&lt;/a&gt;, where the new primary may be left with filtering metadata as unsharded. Under that scenario, a legacy-path rename may succeed in renaming a sharded collection.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1777209">SERVER-57641</key>
            <summary>Legacy renameCollection may proceed renaming a sharded collection</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="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</assignee>
                                    <reporter username="jordi.serra-torrens@mongodb.com">Jordi Serra Torrens</reporter>
                        <labels>
                    </labels>
                <created>Fri, 11 Jun 2021 14:41:25 +0000</created>
                <updated>Sun, 29 Oct 2023 21:52:18 +0000</updated>
                            <resolved>Tue, 15 Jun 2021 08:09:11 +0000</resolved>
                                    <version>5.0.0-rc1</version>
                                    <fixVersion>5.0.0-rc3</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4107644" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:32:13 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3881978" author="xgen-internal-githook" created="Wed, 16 Jun 2021 18:12:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Serra Torrens&apos;, &apos;email&apos;: &apos;jordi.serra-torrens@mongodb.com&apos;, &apos;username&apos;: &apos;jordist&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57641&quot; title=&quot;Legacy renameCollection may proceed renaming a sharded collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57641&quot;&gt;&lt;del&gt;SERVER-57641&lt;/del&gt;&lt;/a&gt; Legacy renameCollection may proceed renaming a sharded collection&lt;/p&gt;

&lt;p&gt;(cherry picked from commit d5ab25a22cdfd7d60aedae5fb3e455502e330bdb)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d337b8db00509ecc8eeb8f9002ffd92778ed8bbe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d337b8db00509ecc8eeb8f9002ffd92778ed8bbe&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3877823" author="xgen-internal-githook" created="Tue, 15 Jun 2021 07:53:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Serra Torrens&apos;, &apos;email&apos;: &apos;jordi.serra-torrens@mongodb.com&apos;, &apos;username&apos;: &apos;jordist&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57641&quot; title=&quot;Legacy renameCollection may proceed renaming a sharded collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57641&quot;&gt;&lt;del&gt;SERVER-57641&lt;/del&gt;&lt;/a&gt; Legacy renameCollection may proceed renaming a sharded collection&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d5ab25a22cdfd7d60aedae5fb3e455502e330bdb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d5ab25a22cdfd7d60aedae5fb3e455502e330bdb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3873292" author="JIRAUSER1257318" created="Fri, 11 Jun 2021 14:58:36 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kaloian.manassiev&quot; class=&quot;user-hover&quot; rel=&quot;kaloian.manassiev&quot;&gt;kaloian.manassiev&lt;/a&gt; no, most likely this situation exists prior to 5.0&lt;/p&gt;</comment>
                            <comment id="3873289" author="kaloian.manassiev" created="Fri, 11 Jun 2021 14:57:48 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jordi.serra-torrens&quot; class=&quot;user-hover&quot; rel=&quot;jordi.serra-torrens&quot;&gt;jordi.serra-torrens&lt;/a&gt;, this is not something new to 5.0, right?&lt;/p&gt;</comment>
                            <comment id="3873288" author="JIRAUSER1257318" created="Fri, 11 Jun 2021 14:57:46 +0000"  >&lt;p&gt;To address this, in legacy-rename, instead of &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a93e160436297f2a853b59e40eeb8c186b1879cf/src/mongo/db/s/shardsvr_rename_collection_command.cpp#L54-L58&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;assessing if the collections are sharded using the CollectionShardingState&lt;/a&gt;, we could do it by refreshing and checking the catalog metadata from the configsvr.&lt;/p&gt;</comment>
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