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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-77135] Avoid keeping references to `_doc` attribute on DDL Coordinators</title>
                <link>https://jira.mongodb.org/browse/SERVER-77135</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The aim of this ticket is to reduce the error-prone code on sharding DDL coordinators by avoiding keeping references to the &lt;a href=&quot;https://github.com/10gen/mongo/blob/8896b5ba5a84d1b6b63953b9009ca16eda69d3c6/src/mongo/db/s/sharding_ddl_coordinator.h#L262&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_doc&lt;/a&gt; attribute, which is very likely &lt;a href=&quot;https://github.com/10gen/mongo/blob/8896b5ba5a84d1b6b63953b9009ca16eda69d3c6/src/mongo/db/s/sharding_ddl_coordinator.h#LL371C17-L371C17&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;to get freed&lt;/a&gt; while a reference is taken.&lt;/p&gt;

&lt;p&gt;This is a list of some of the places where we take and keep references to &lt;tt&gt;_doc&lt;/tt&gt;:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/78b7f73488d6d77aa02ae4d59846074c8396179e/src/mongo/db/s/sharding_ddl_coordinator.h#LL110C25-L110C25&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ShardingDDLCoordinator::nss()&lt;/a&gt; when namespace is time-series&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/78b7f73488d6d77aa02ae4d59846074c8396179e/src/mongo/db/s/drop_database_coordinator.cpp#LL356C22-L356C22&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;DropDatabaseCoordinator::_runImpl&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/5e9606da4202e02995e88d845294b06dc0b78ccc/src/mongo/db/s/drop_database_coordinator.h#L47&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;DropDatabaseCoordinator::_dbName attribute&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/78b7f73488d6d77aa02ae4d59846074c8396179e/src/mongo/db/s/rename_collection_coordinator.cpp#LL744C37-L744C37&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;RenameCollectionCoordinator::renameIndexMetadataInShards&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;

</description>
                <environment></environment>
        <key id="2341171">SERVER-77135</key>
            <summary>Avoid keeping references to `_doc` attribute on DDL Coordinators</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="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="silvia.surroca@mongodb.com">Silvia Surroca</reporter>
                        <labels>
                            <label>oldshardingemea</label>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Mon, 15 May 2023 15:36:05 +0000</created>
                <updated>Thu, 26 Oct 2023 10:01:58 +0000</updated>
                                                                                                <votes>1</votes>
                                    <watches>3</watches>
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