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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31404] getMore commands should return an error when the caller specifies a read concern</title>
                <link>https://jira.mongodb.org/browse/SERVER-31404</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It is not generally meaningful for client drivers to attach a readConcern argument to getMore commands. The purpose of readConcern is to set the isolation and consistency behavior for a newly issued query, and the purpose of getMore is to fetch a batch of documents from a cursor established by a previously issued query. Furthermore, the getMore command is an implementation detail of the driver and servers, rather than an interface presented to client applications. As such, mongodb servers must either ignore readConcern on getMore commands or reject getMore commands with readConcern arguments as malformed when such commands come from external clients.&lt;/p&gt;

&lt;p&gt;Returning an error is less subject to misinterpretation by driver authors, and so is the suggested approach.&lt;/p&gt;</description>
                <environment></environment>
        <key id="440972">SERVER-31404</key>
            <summary>getMore commands should return an error when the caller specifies a read concern</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="schwerin@mongodb.com">Andy Schwerin</reporter>
                        <labels>
                            <label>gm-ack</label>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Thu, 5 Oct 2017 14:01:43 +0000</created>
                <updated>Tue, 6 Dec 2022 03:50:11 +0000</updated>
                                                                            <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1786264" author="greg.mckeon" created="Fri, 26 Jan 2018 19:15:25 +0000"  >&lt;p&gt;Sending to Query for triage.&lt;/p&gt;</comment>
                            <comment id="1690960" author="charlie.swanson" created="Thu, 5 Oct 2017 22:32:33 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spencer&quot; class=&quot;user-hover&quot; rel=&quot;spencer&quot;&gt;spencer&lt;/a&gt; see the conversation on the BF, there was an idea to allow it exclusively from mongos to mongod.&lt;/p&gt;</comment>
                            <comment id="1690924" author="spencer" created="Thu, 5 Oct 2017 21:54:59 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=schwerin&quot; class=&quot;user-hover&quot; rel=&quot;schwerin&quot;&gt;schwerin&lt;/a&gt;, this change would preclude our current plan to use afterClusterTime readConcern to decrease change stream latency in the presence of an idle shard, by using the afterClusterTime machinery to generate no-op writes (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29258&quot; title=&quot;Use &amp;#39;afterClusterTime&amp;#39; with the highest notification timestamp seen on any shard when sending $changeNotification aggs and getmores to shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29258&quot;&gt;SERVER-29258&lt;/a&gt;).&lt;/p&gt;</comment>
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                                            <outwardlinks description="related to">
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            <issuekey id="464735">SERVER-32102</issuekey>
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                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="444552">DRIVERS-415</issuekey>
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