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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-81062] Update cluster parameter cache on set-/removeQuerySettings and perform single retry on failure</title>
                <link>https://jira.mongodb.org/browse/SERVER-81062</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The flow of set-/removeQuerySettings commands (on mongos) need to be modified as follows:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;upon success or failure &#8594; refresh the parameter cache &lt;a href=&quot;https://github.com/10gen/mongo/blob/e0bb873df809c28503df3d5bae8ddfb77451542e/src/mongo/idl/cluster_server_parameter_refresher.h#L75&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/e0bb873df809c28503df3d5bae8ddfb77451542e/src/mongo/idl/cluster_server_parameter_refresher.h#L75&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;upon failure, retry a single time after the parameters being refreshed&lt;/li&gt;
&lt;/ul&gt;


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

&lt;p&gt;We can also clean up the tests, as we will no longer need to update the &apos;clusterServerParameterRefreshIntervalSecs&apos; parameter.&lt;/p&gt;

&lt;p&gt;This also implies that we may remove the &apos;does_not_support_stepdowns&apos; tag, as the reason it was added is due to setting the &apos;clusterServerParameterRefreshIntervalSecs&apos; in tests&lt;/p&gt;</description>
                <environment></environment>
        <key id="2442062">SERVER-81062</key>
            <summary>Update cluster parameter cache on set-/removeQuerySettings and perform single retry on failure</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="romans.kasperovics@mongodb.com">Romans Kasperovics</assignee>
                                    <reporter username="denis.grebennicov@mongodb.com">Denis Grebennicov</reporter>
                        <labels>
                            <label>M2</label>
                    </labels>
                <created>Thu, 14 Sep 2023 10:58:50 +0000</created>
                <updated>Fri, 1 Dec 2023 18:51:31 +0000</updated>
                            <resolved>Fri, 17 Nov 2023 19:00:46 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                                                            <comments>
                            <comment id="5888157" author="xgen-internal-githook" created="Fri, 17 Nov 2023 14:15:59 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Romans Kasperovics&apos;, &apos;email&apos;: &apos;romans.kasperovics@mongodb.com&apos;, &apos;username&apos;: &apos;romanskas&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-81062&quot; title=&quot;Update cluster parameter cache on set-/removeQuerySettings and perform single retry on failure&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-81062&quot;&gt;&lt;del&gt;SERVER-81062&lt;/del&gt;&lt;/a&gt; Update cluster parameter cache before and after modifications&lt;/p&gt;

&lt;p&gt;Cluster parameter values are cached on routers = mongoS and updated (pulled)&lt;br/&gt;
from the config-servers periodically by the &apos;ClusterServerParameterRefresher&apos;&lt;br/&gt;
background job. This means, the new cluster parameter value will not be cached&lt;br/&gt;
immediately, but after some delay. This delay is problematic for the&lt;br/&gt;
&apos;querySettings&apos; cluster parameter which has read-modify-write updates, because&lt;br/&gt;
subsequent &apos;setQuerySettings&apos; or &apos;removeQuerySettings&apos; commands might have&lt;br/&gt;
a non-deterministic outcome. This change minimizes the delay by forcing&lt;br/&gt;
&apos;ClusterServerParameterRefresher&apos; iterations before and after the modification.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5fa345a76a56e50d1da4ed43d4c23a13a56d2475&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5fa345a76a56e50d1da4ed43d4c23a13a56d2475&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="2350187">SERVER-77463</issuekey>
        </issuelink>
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                            <issuelinktype id="11220">
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            <issuekey id="2482601">SERVER-82432</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="2387222">SERVER-78801</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
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                <subtasks>
                            <subtask id="2499278">SERVER-83216</subtask>
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