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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>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-14974] [Server]  REP-32: Replicator: Basic Support for Sharded Clusters</title>
                <link>https://jira.mongodb.org/browse/DOCS-14974</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    This project includes implementation that is depended on by REP-33.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
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&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;
&lt;p&gt;Basic mongosync support for sharded clusters with like-like topologies&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;
&lt;p&gt;As part of the Cluster to Cluster Replication Initiative, we will support replicating between two sharded clusters for both migration and continuous replication (disaster recovery) use cases. We will start with basic support for replicating between two sharded clusters with like-like topologies. This basic support does not include supporting concurrent chunk migrations, concurrent resharding, or changes in document shard key values on the source cluster during replication. Not having to worry about concurrent document move between source shards makes it an easier problem to solve. And this also allows us to create a foundation of sharded cluster support upon which REP-33 can be implemented.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;CastofCharacters&quot;&gt;&lt;/a&gt;Cast of Characters&lt;/h4&gt;
&lt;ul&gt;
	&lt;li&gt;Product Owner:&lt;/li&gt;
	&lt;li&gt;Project Lead:&lt;/li&gt;
	&lt;li&gt;Program Manager:&lt;/li&gt;
&lt;/ul&gt;



&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;
&lt;p&gt;&lt;a href=&quot;https://tinyurl.com/ydlsvjke&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://tinyurl.com/yjgjyxfc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope Document&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://tinyurl.com/ydjo7b8x&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design Document&lt;/a&gt;&lt;/p&gt;
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                <environment></environment>
        <key id="1945144">DOCS-14974</key>
            <summary>[Server]  REP-32: Replicator: Basic Support for Sharded Clusters</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="dave.cuthbert@mongodb.com">Dave Cuthbert</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                            <label>c2c-ga-required</label>
                    </labels>
                <created>Wed, 8 Dec 2021 16:42:38 +0000</created>
                <updated>Mon, 13 Nov 2023 17:46:18 +0000</updated>
                            <resolved>Fri, 15 Jul 2022 15:13:16 +0000</resolved>
                                                    <fixVersion>1.0.0</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="4641660" author="lingzhi.deng" created="Mon, 27 Jun 2022 13:38:04 +0000"  >&lt;p&gt;REP-32 implemented how users would use multiple mongosync processes to replicate a sharded cluster.&lt;/p&gt;</comment>
                            <comment id="4572597" author="JIRAUSER1264463" created="Wed, 25 May 2022 15:39:35 +0000"  >&lt;p&gt;I added the mdb-world-required label to this and moved it to the 6.0 Upcoming epic, based on prioritization feedback from &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=christopher.harris%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;christopher.harris@mongodb.com&quot;&gt;christopher.harris@mongodb.com&lt;/a&gt;.&#160;Please of course feel free to change it to one of the c2c epics as required.&#160;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dave.cuthbert%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;dave.cuthbert@mongodb.com&quot;&gt;dave.cuthbert@mongodb.com&lt;/a&gt;, if this is a lot before World, it is fine to get to it shortly after MDBW as well. Please holler if you want help shuffling work!&#160;&lt;/p&gt;</comment>
                            <comment id="4237585" author="JIRAUSER1262311" created="Wed, 8 Dec 2021 20:17:15 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=melissa.mahoney&quot; class=&quot;user-hover&quot; rel=&quot;melissa.mahoney&quot;&gt;melissa.mahoney&lt;/a&gt; this came through the capn queue. I am assigning this to you for triage because I think it is an Atlas ticket. Looks like feature work but I&apos;m unclear from the linked docs and the description.&lt;/p&gt;</comment>
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