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            <title>[SERVER-21591] Support more than 64 indexes per collection (at least 200)</title>
                <link>https://jira.mongodb.org/browse/SERVER-21591</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We&apos;re regularly running into the limitation on 64 indexes per collection. Due to the nature in which we store our customer data, which is highly dynamic, we often run into the need to individually index more than 64 fields. &lt;/p&gt;

&lt;p&gt;This is greatly impacting performance capabilities for our use case.&lt;/p&gt;

&lt;p&gt;Given the type of metadata we store with each record, the indexes have been a great way for us to ensure absolute performance when the users are filtering their dynamic content.&lt;/p&gt;

&lt;p&gt;Due to the above, when we fully index every sortable and filterable field for users, we end up having an index size that is 6-10% of the collection size. &lt;/p&gt;

&lt;p&gt;Realizing that we can&apos;t do compound indexes past 2, there&apos;s still tons of value for us in creating significantly more indexes when needed.&lt;/p&gt;

&lt;p&gt;Please up the limit from 64 to at least 256, possibly 512.&lt;/p&gt;</description>
                <environment></environment>
        <key id="240479">SERVER-21591</key>
            <summary>Support more than 64 indexes per collection (at least 200)</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="sallgeud">Chad Kreimendahl</reporter>
                        <labels>
                    </labels>
                <created>Fri, 20 Nov 2015 17:03:23 +0000</created>
                <updated>Thu, 8 Mar 2018 09:46:17 +0000</updated>
                            <resolved>Fri, 20 Nov 2015 17:31:49 +0000</resolved>
                                    <version>2.6.11</version>
                    <version>3.0.7</version>
                    <version>3.2.0-rc3</version>
                                                    <component>Index Maintenance</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1827042" author="shenghu" created="Thu, 8 Mar 2018 09:46:17 +0000"  >&lt;p&gt;When is possible to remove MMAPV1 and support arbitrary numbers of indexes?&lt;/p&gt;</comment>
                            <comment id="1094464" author="scotthernandez" created="Fri, 20 Nov 2015 17:31:49 +0000"  >&lt;p&gt;Dup of your previously filed issue: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-12250&quot; title=&quot;support arbitrary numbers of indexes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-12250&quot;&gt;SERVER-12250&lt;/a&gt;&lt;/p&gt;</comment>
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