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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>
    </build-info>


<item>
            <title>[SERVER-83625] LookupQuerySettingsForFind should not be checking the node&apos;s sharding recovery state</title>
                <link>https://jira.mongodb.org/browse/SERVER-83625</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-77079&quot; title=&quot;Introduce query settings into explain output for find&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-77079&quot;&gt;&lt;del&gt;SERVER-77079&lt;/del&gt;&lt;/a&gt;, the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/30f90103d356c0d2d26efa2f9f8599ebbf980a01/src/mongo/db/commands/find_cmd.cpp#L203&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;lookupQuerySettingsForFind&lt;/tt&gt;&lt;/a&gt; was made to rely on the intialisation status of sharding in order to decide from where to pick up the query settings for a find.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Instead of relying on ShardingState API, we should check if the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e4f411f089d825af8aa0d77fe05657cc27e297fe/src/mongo/db/service_entry_point_common.cpp#L207-L209&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;request comes from the internal Client&lt;/a&gt;. There are already similar checks throughout the codebase, such as:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;bool isInternalClient(OperationContext* opCtx) {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    &lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;return&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; opCtx-&amp;gt;getClient()-&amp;gt;session() &amp;amp;&amp;amp; opCtx-&amp;gt;getClient()-&amp;gt;isInternalClient();&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;} &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;p/&gt;
&lt;p&gt;We should do the same as part of this ticket.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Apart from that we should prioritize the IDHACK check, before anything else. This would speed up some of the industry workloads which run IDHACK queries, by not doing any unnecessary work (such as ShardingState check). (see screenshot)&lt;/p&gt;

&lt;p&gt;We should also put the serializationContext, right before the lookup call&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;auto serializationContext = parsedFind.findCommandRequest-&amp;gt;getSerializationContext(); &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="2510589">SERVER-83625</key>
            <summary>LookupQuerySettingsForFind should not be checking the node&apos;s sharding recovery state</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="13201">Fixed</resolution>
                                        <assignee username="catalin.sumanaru@mongodb.com">Catalin Sumanaru</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                            <label>M3</label>
                    </labels>
                <created>Tue, 28 Nov 2023 13:42:29 +0000</created>
                <updated>Wed, 17 Jan 2024 15:17:53 +0000</updated>
                            <resolved>Wed, 17 Jan 2024 15:17:52 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="6017057" author="xgen-internal-githook" created="Wed, 17 Jan 2024 13:03:17 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Catalin Sumanaru&apos;, &apos;email&apos;: &apos;catalin.sumanaru@mongodb.com&apos;, &apos;username&apos;: &apos;csum112&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83625&quot; title=&quot;LookupQuerySettingsForFind should not be checking the node&amp;#39;s sharding recovery state&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83625&quot;&gt;&lt;del&gt;SERVER-83625&lt;/del&gt;&lt;/a&gt; Make `lookupQuerySettingsForFind()` not check the node&apos;s sharding recovery state (#17760)&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: 070059e14703d2140f50fb4d3fa23770f1796c60&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bb199a8460a0e301f7e21779fe2c24def4a66c48&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bb199a8460a0e301f7e21779fe2c24def4a66c48&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="497344" name="Screenshot 2023-12-15 at 14.34.02.png" size="85656" author="denis.grebennicov@mongodb.com" created="Fri, 15 Dec 2023 13:34:10 +0000"/>
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