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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-2949] sharding server should have multiple shard keys support</title>
                <link>https://jira.mongodb.org/browse/SERVER-2949</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I use &lt;br/&gt;
db.runCommand( { shardcollection : &quot;test.users&quot; , key : {_id:1, email : 1 ,address:1}&lt;br/&gt;
to shard&lt;/p&gt;

&lt;p&gt;but only _id can be used to route queries, query only on email and address can not be targeted the server search all the mongod processes.&lt;br/&gt;
so I think is there any possibility to specify more shard keys not used to shard but work as &quot;global indexes&quot;, used to route queries&lt;br/&gt;
this will increase the shard performance greatly &lt;/p&gt;</description>
                <environment></environment>
        <key id="16116">SERVER-2949</key>
            <summary>sharding server should have multiple shard keys support</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="dawn">davyzhang</reporter>
                        <labels>
                            <label>sharding</label>
                    </labels>
                <created>Thu, 14 Apr 2011 10:22:56 +0000</created>
                <updated>Mon, 29 Aug 2011 15:56:43 +0000</updated>
                            <resolved>Thu, 14 Apr 2011 14:28:41 +0000</resolved>
                                    <version>1.8.1</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="28959" author="eliot" created="Thu, 14 Apr 2011 14:28:41 +0000"  >&lt;p&gt;This would require keeping a global index for the secondary shard keys since the ranges are totally different.&lt;br/&gt;
This would be incredibly costly, and is not practical.&lt;/p&gt;</comment>
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