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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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>[SERVER-8871] Support admin hints per query pattern</title>
                <link>https://jira.mongodb.org/browse/SERVER-8871</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The query optimizer currently generates a query plan which is cached and re-used based on the normalized &quot;shape&quot; of the query predicate and sort criteria.  &lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;Querying&lt;br/&gt;
DBA&apos;s should be able to hint a query by plan id.  This should be able to be set by a DBA on the server-side in addition to the current technique of putting the hint into the application itself.&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="67516">SERVER-8871</key>
            <summary>Support admin hints per query pattern</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="9">Done</resolution>
                                        <assignee username="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="dan@mongodb.com">Daniel Pasette</reporter>
                        <labels>
                            <label>query_triage</label>
                    </labels>
                <created>Wed, 6 Mar 2013 18:08:10 +0000</created>
                <updated>Tue, 27 Oct 2015 14:23:00 +0000</updated>
                            <resolved>Wed, 15 Jan 2014 21:41:07 +0000</resolved>
                                                    <fixVersion>2.5.5</fixVersion>
                                    <component>Admin</component>
                    <component>Diagnostics</component>
                    <component>Logging</component>
                    <component>Querying</component>
                                        <votes>2</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="482764" author="xgen-internal-githook" created="Wed, 15 Jan 2014 21:38:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8871&quot; title=&quot;Support admin hints per query pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8871&quot;&gt;&lt;del&gt;SERVER-8871&lt;/del&gt;&lt;/a&gt; admin hints&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9b94912fe8847977c4d23a12604cb900e6f426b7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9b94912fe8847977c4d23a12604cb900e6f426b7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="478267" author="xgen-internal-githook" created="Tue, 7 Jan 2014 16:02:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8871&quot; title=&quot;Support admin hints per query pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8871&quot;&gt;&lt;del&gt;SERVER-8871&lt;/del&gt;&lt;/a&gt; derive plan cache key from query, sort and projection&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/57364a7de52c030af0d305c918de7180d0459ed1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/57364a7de52c030af0d305c918de7180d0459ed1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="473191" author="xgen-internal-githook" created="Thu, 19 Dec 2013 17:00:08 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8871&quot; title=&quot;Support admin hints per query pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8871&quot;&gt;&lt;del&gt;SERVER-8871&lt;/del&gt;&lt;/a&gt; removed default switch case from encodeMatchType&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9a34ccdde43942a4095c7a5b7285096993ed4860&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9a34ccdde43942a4095c7a5b7285096993ed4860&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="472672" author="xgen-internal-githook" created="Wed, 18 Dec 2013 19:18:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8871&quot; title=&quot;Support admin hints per query pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8871&quot;&gt;&lt;del&gt;SERVER-8871&lt;/del&gt;&lt;/a&gt; added sorting of cacheable queries and plan cache key generation&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e2a66c54f5ae80f0055ed3b09799b717842e4f25&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e2a66c54f5ae80f0055ed3b09799b717842e4f25&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="282979" author="aaron" created="Wed, 6 Mar 2013 23:06:06 +0000"  >&lt;p&gt;The ability to configure a persistent hint based on the query pattern sounds useful and I believe is unique to this ticket.&lt;/p&gt;

&lt;p&gt;Adding reporting info for the query optimizer&apos;s plan selection behavior also sounds useful.  I think there is some overlap between this and the three other tickets listed in the &quot;related to&quot; section which also describe ways of accessing this information.  When we spec out what we want to implement, we may want to consolidate these tickets.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="71266">SERVER-9306</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="35194">SERVER-5470</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="107783">DOCS-2595</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="11364">SERVER-666</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="66239">SERVER-8692</issuekey>
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            <issuekey id="106024">SERVER-12358</issuekey>
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