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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-4459] Explicitly call out that moveChunk with &apos;find&apos; should _not_ be used with hashed shard keys</title>
                <link>https://jira.mongodb.org/browse/DOCS-4459</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;There are two variants to the &apos;moveChunk&apos; command, one using &apos;find&apos; and the other using &apos;bounds&apos;. On &lt;a href=&quot;http://docs.mongodb.org/manual/reference/command/moveChunk/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/reference/command/moveChunk/&lt;/a&gt; we state that the bounds variant should be used for hashed shard keys. We don&apos;t say anything similar for the find variant. We should either:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;state that this form should &lt;em&gt;not&lt;/em&gt; be used for hashed shard keys (balancing the statement in the bounds variant), or (optionally / additionally)&lt;/li&gt;
	&lt;li&gt;state that the document supplied to the find in the case of a hashed shard key should use the hashed value of the shard key, not the raw value of the shard key (problem is that to get the hash you need to use the internal &lt;a href=&quot;http://docs.mongodb.org/manual/reference/command/hashBSONElement/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_hasBSONElement command&lt;/a&gt;)&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="172179">DOCS-4459</key>
            <summary>Explicitly call out that moveChunk with &apos;find&apos; should _not_ be used with hashed shard keys</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="9">Done</resolution>
                                        <assignee username="sam.kleinman">Sam Kleinman</assignee>
                                    <reporter username="ronan.bohan@mongodb.com">Ronan Bohan</reporter>
                        <labels>
                    </labels>
                <created>Tue, 2 Dec 2014 09:58:37 +0000</created>
                <updated>Mon, 16 Mar 2015 23:54:07 +0000</updated>
                            <resolved>Thu, 11 Dec 2014 21:38:45 +0000</resolved>
                                                    <fixVersion>v1.3.15</fixVersion>
                                    <component>manual</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="784267" author="xgen-internal-githook" created="Thu, 11 Dec 2014 21:38:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;tychoish&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-4459&quot; title=&quot;Explicitly call out that moveChunk with &amp;#39;find&amp;#39; should _not_ be used with hashed shard keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-4459&quot;&gt;&lt;del&gt;DOCS-4459&lt;/del&gt;&lt;/a&gt;: clarify move chunk and hashed shard key&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/c9382cac7161aef843eb5501f10ae6e31242d659&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/c9382cac7161aef843eb5501f10ae6e31242d659&lt;/a&gt;&lt;/p&gt;</comment>
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