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    <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-46879] Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled</title>
                <link>https://jira.mongodb.org/browse/SERVER-46879</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The profiler query that read_pref_cmd.js currently uses could match profiler docs for failed executions (e.g. due to StaleDbVersion) and for $out aggregation stage that the secondary routes to the primary for non-inline mapreduce. So the test sometimes overcounts the number nodes that the command successfully runs on (see the comment in BF-16548). To fix this, we need to include &quot;ns&quot; and &quot;errCode&quot; in the query.&#160;&lt;/p&gt;

&lt;p&gt;Also, the test assumes that when hedging is enabled, the additional request always gets sent successfully and runs to completion on the other eligible node. This is not true since&#160;the AsyncRequestSender detaches the SubBaton for the command request as soon as the command finishes, after that the&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/ed023e8734948ebf89e87d7aa7ff4f1cbf4332fa/src/mongo/executor/connection_pool.cpp#L791&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;connection is returned&lt;/a&gt;&#160;so the additional request cannot be sent. So it should assert that the command runs on at least one node.&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1274785">SERVER-46879</key>
            <summary>Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled</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="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</reporter>
                        <labels>
                    </labels>
                <created>Mon, 16 Mar 2020 01:15:01 +0000</created>
                <updated>Sun, 29 Oct 2023 22:10:45 +0000</updated>
                            <resolved>Mon, 16 Mar 2020 15:29:29 +0000</resolved>
                                                    <fixVersion>4.4.0-rc0</fixVersion>
                    <fixVersion>4.7.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2985902" author="xgen-internal-githook" created="Wed, 18 Mar 2020 20:31:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46879&quot; title=&quot;Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46879&quot;&gt;&lt;del&gt;SERVER-46879&lt;/del&gt;&lt;/a&gt; Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 86550d35274473e6aee443c8fa2e4544c043941d)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d3557c5e90827b274dff3bcf91a5a4246ed10b38&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d3557c5e90827b274dff3bcf91a5a4246ed10b38&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2981400" author="xgen-internal-githook" created="Mon, 16 Mar 2020 15:28:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;username&apos;: &apos;cheahuychou&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46879&quot; title=&quot;Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46879&quot;&gt;&lt;del&gt;SERVER-46879&lt;/del&gt;&lt;/a&gt; Fix profiler query in read_pref_cmd.js and not assert that the command runs on two nodes when hedging is enabled&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/86550d35274473e6aee443c8fa2e4544c043941d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/86550d35274473e6aee443c8fa2e4544c043941d&lt;/a&gt;&lt;/p&gt;</comment>
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