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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-62271] Checkpoint the vector clock when discovering new shard versions</title>
                <link>https://jira.mongodb.org/browse/SERVER-62271</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Persisting the vector clock before setting the filtering metadata discovered after refreshing ensures causal consistency in the following scenario:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Node A is primary and refreshes, discovering shard version X&lt;/li&gt;
	&lt;li&gt;Step-down&lt;/li&gt;
	&lt;li&gt;Node B becomes primary and refreshes, discovering shard version X - 1 because reading from the (stale) nearest CSRS node&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;In order to not block the shard for too long of a time, the checkpoint must be done only with local write concern.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1956304">SERVER-62271</key>
            <summary>Checkpoint the vector clock when discovering new shard versions</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                            <label>PM-2144-Milestone-0</label>
                            <label>oldshardingemea</label>
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                <created>Fri, 24 Dec 2021 15:25:39 +0000</created>
                <updated>Thu, 26 Oct 2023 10:10:37 +0000</updated>
                                                                            <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="5533797" author="JIRAUSER1257318" created="Thu, 29 Jun 2023 14:01:19 +0000"  >&lt;p&gt;Moved this ticket to PM-2948 since this will no longer be needed once shards are authoritative for what they own.&lt;/p&gt;</comment>
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