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    <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-85845] Remove vector clock checkpoint before deleting DDL coordinator documents</title>
                <link>https://jira.mongodb.org/browse/SERVER-85845</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Starting from &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61004&quot; title=&quot;Checkpoint the vector clock before removing DDL coordinator documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61004&quot;&gt;&lt;del&gt;SERVER-61004&lt;/del&gt;&lt;/a&gt; the vector clock is checkpointed before removing DDL coordinator documents. That change was aimed at ensuring causal consistency with the sharding catalog by persisting the config time so that it could be recovered on step-up.&lt;/p&gt;

&lt;p&gt;That&apos;s not enough because the only way to ensure causal consistency is to persist the vector clock before exiting the critical section (aka before allowing refreshes to hit again the config server). Considering that, we should probably get rid of the changes introduced by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61004&quot; title=&quot;Checkpoint the vector clock before removing DDL coordinator documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61004&quot;&gt;&lt;del&gt;SERVER-61004&lt;/del&gt;&lt;/a&gt;: persisting the vector clock is not an issue, but it&apos;s not useful either in that point of the code.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2559563">SERVER-85845</key>
            <summary>Remove vector clock checkpoint before deleting DDL coordinator documents</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="10033" iconUrl="https://jira.mongodb.org/images/icons/statuses/information.png" description="Status for tickets that need to be escalated and unblocked on our team.">Blocked</status>
                    <statusCategory id="4" key="indeterminate" colorName="inprogress"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-catalog-and-routing">Backlog - Catalog and Routing</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
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                <created>Mon, 29 Jan 2024 09:25:39 +0000</created>
                <updated>Thu, 1 Feb 2024 11:16:39 +0000</updated>
                                            <version>6.0.9</version>
                    <version>7.2.0</version>
                    <version>7.0.6</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
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