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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-21967] mongodb regex without prefix performance issue</title>
                <link>https://jira.mongodb.org/browse/SERVER-21967</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I have performance issue when I try to use regex to do search for part of name&lt;br/&gt;
example: db.names.find({name: { $regex: &quot;ALEXANDER&quot; }})&lt;br/&gt;
(RDBMS: where name like %ALEXANDER%)&lt;/p&gt;

&lt;p&gt;What is the best practice to do similar search.&lt;/p&gt;</description>
                <environment></environment>
        <key id="244659">SERVER-21967</key>
            <summary>mongodb regex without prefix performance issue</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="-1">Unassigned</assignee>
                                    <reporter username="shaker.shady">shaker</reporter>
                        <labels>
                    </labels>
                <created>Mon, 21 Dec 2015 10:28:20 +0000</created>
                <updated>Mon, 21 Dec 2015 16:56:25 +0000</updated>
                            <resolved>Mon, 21 Dec 2015 16:56:25 +0000</resolved>
                                    <version>3.2.0</version>
                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1119590" author="thomas.schubert" created="Mon, 21 Dec 2015 16:56:25 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=shaker.shady&quot; class=&quot;user-hover&quot; rel=&quot;shaker.shady&quot;&gt;shaker.shady&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thanks for your report. Please note that SERVER project is for reporting bugs or feature suggestions for the MongoDB server. For MongoDB-related support discussion please post on the &lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-users group&lt;/a&gt; or &lt;a href=&quot;http://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;. A question like this involving more discussion would be best posted on the mongodb-users group.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
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