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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <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-54203] [causal consistency] Ensure copied keys have replicated to every donor node before tenant migration commits</title>
                <link>https://jira.mongodb.org/browse/SERVER-54203</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;To ensure that a request signed with a cluster time by the recipient can be processed by a stale donor node, the external validation keys copied from the recipient to the donor must have replicated to each donor node and been cached in-memory before the migration commits.&lt;/p&gt;

&lt;p&gt;This can be done by waiting for the opTime of the last key insert to replicate to each voting node. Keys are copied at the beginning of a migration but this can be waited for near the end to improve performance.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1608996">SERVER-54203</key>
            <summary>[causal consistency] Ensure copied keys have replicated to every donor node before tenant migration commits</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="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="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                            <label>pm-1791_alpha2</label>
                            <label>pm-1791_milestone-F</label>
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                <created>Tue, 2 Feb 2021 15:06:05 +0000</created>
                <updated>Sun, 29 Oct 2023 21:58:07 +0000</updated>
                            <resolved>Mon, 8 Mar 2021 23:45:43 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3653449" author="xgen-internal-githook" created="Mon, 8 Mar 2021 23:31:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54203&quot; title=&quot;[causal consistency] Ensure copied keys have replicated to every donor node before tenant migration commits&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54203&quot;&gt;&lt;del&gt;SERVER-54203&lt;/del&gt;&lt;/a&gt; Tenant migration donor should wait for external keys to replicate to all its nodes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/421ddfa11b6eb4b38f676a0c4da3560fcf63713d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/421ddfa11b6eb4b38f676a0c4da3560fcf63713d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3594722" author="jack.mulrow" created="Tue, 2 Feb 2021 15:20:52 +0000"  >&lt;p&gt;Note that because of&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54204&quot; title=&quot;[causal consistency] Load external validation keys with local read concern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54204&quot;&gt;&lt;del&gt;SERVER-54204&lt;/del&gt;&lt;/a&gt;, the keys only need to replicate with local read concern. Also note that this is related to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54205&quot; title=&quot;[causal consistency] Proactively load external keys into the keys cache on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54205&quot;&gt;&lt;del&gt;SERVER-54205&lt;/del&gt;&lt;/a&gt; because that ticket will affect how secondaries load the replicated keys into their in-memory caches.&#160;&lt;/p&gt;</comment>
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