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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-85843] A write operation may fail with NamespaceNotFound if the database has been concurrently dropped (sharding-only)</title>
                <link>https://jira.mongodb.org/browse/SERVER-85843</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When a write&#160;&lt;a href=&quot;https://github.com/10gen/mongo/blob/8f49e79b921d847d21c6a8fffc49cf52f637d93f/src/mongo/s/cluster_write.cpp#L70&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is targeted&lt;/a&gt;, the router ensures the target database is &lt;a href=&quot;https://github.com/10gen/mongo/blob/e99a49c5a6e05cba74d8d4f802f13f3e08250390/src/mongo/s/collection_routing_info_targeter.cpp#L251&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;created&lt;/a&gt; by using the cluster DDL API. However, if the database is subsequently dropped before the&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/b718dc1aa3ffb3e6df4f61a30d54cda578cf2830/src/mongo/s/collection_routing_info_targeter.cpp#L257&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;collection refresh in the insert path&lt;/a&gt;, the operation fails with &lt;tt&gt;NamespaceNotFound&lt;/tt&gt; error.&lt;/p&gt;

&lt;p&gt;A variant of this problem was already fixed in the context of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83146&quot; title=&quot;Bulk write operation might fail with NamespaceNotFound&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83146&quot;&gt;&lt;del&gt;SERVER-83146&lt;/del&gt;&lt;/a&gt;. However, there are multiple scenarios where the problem can still occur. The management of the time-series collections required multiple paths that must be reviewed in the context of this fix.&lt;/p&gt;

&lt;p&gt;The probability of the problem occurring in a real-world scenario is negligible. The cost of the fix is a couple of days at most.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2559542">SERVER-85843</key>
            <summary>A write operation may fail with NamespaceNotFound if the database has been concurrently dropped (sharding-only)</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-catalog-and-routing">Backlog - Catalog and Routing</assignee>
                                    <reporter username="antonio.fuschetto@mongodb.com">Antonio Fuschetto</reporter>
                        <labels>
                    </labels>
                <created>Mon, 29 Jan 2024 08:31:43 +0000</created>
                <updated>Thu, 1 Feb 2024 11:14:48 +0000</updated>
                                            <version>4.4.0</version>
                    <version>5.0.0</version>
                    <version>6.0.0</version>
                    <version>7.0.0</version>
                    <version>7.3.0-rc1</version>
                                                                        <votes>0</votes>
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                            <attachment id="507408" name="SERVER-85843.patch" size="5750" author="antonio.fuschetto@mongodb.com" created="Mon, 29 Jan 2024 08:38:32 +0000"/>
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