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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-81352] Reintroduce check for zoning/draining when serving manual chunk migrations in v6.0+ versions</title>
                <link>https://jira.mongodb.org/browse/SERVER-81352</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Up until v5.0 , when user was issuing a &lt;tt&gt;moveChunk&lt;/tt&gt; command was being issued by a user, there was &lt;a href=&quot;https://github.com/mongodb/mongo/blob/567ad8af7677e908f352b7c17f193c17c6a86ecf/src/mongo/db/s/balancer/balancer.cpp#L338-L341&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;a check&lt;/a&gt; on the config server side ensuring that the chunk would not:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Span across multiple zones&lt;/li&gt;
	&lt;li&gt;Be moved to a draining shard&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;With the introduction of the &lt;tt&gt;moveRange&lt;/tt&gt; patch in v6.0, that check is not happening anymore.&lt;/p&gt;

&lt;p&gt;Purpose of this ticket is to evaluate if it&apos;s worth reintroducing such check for user-issued &lt;tt&gt;moveChunk&lt;/tt&gt;/&lt;tt&gt;moveRange&lt;/tt&gt; commands in v6.0+ versions. If yes, it should be reintroduced into &lt;a href=&quot;https://github.com/mongodb/mongo/blob/690d7c6e0a9cf638fc77049e6291498dc4299823/src/mongo/db/s/balancer/balancer.cpp#L442-L445&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this new balancer method&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;(Thanks &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=tommaso.tocci%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;tommaso.tocci@mongodb.com&quot;&gt;tommaso.tocci@mongodb.com&lt;/a&gt; for spotting the change in behavior)&lt;/p&gt;</description>
                <environment></environment>
        <key id="2449060">SERVER-81352</key>
            <summary>Reintroduce check for zoning/draining when serving manual chunk migrations in v6.0+ versions</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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>oldshardingemea</label>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Fri, 22 Sep 2023 13:58:25 +0000</created>
                <updated>Thu, 26 Oct 2023 10:11:02 +0000</updated>
                                            <version>7.0.1</version>
                    <version>6.0.10</version>
                    <version>7.1.0-rc3</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
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