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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31015] Investigate if GetMoreRequest must include readConcern for tailable cursors</title>
                <link>https://jira.mongodb.org/browse/SERVER-31015</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The scenario that fails is described in BF-6485,&lt;br/&gt;
the core symptom is that the getMore sent to a secondary returns operation time that is less than the afterClusterTime set in the client request.&lt;br/&gt;
The reason of this is mongos parses the getMore cmdObj into the GetMoreRequest which does not include readConcern and therefore can not satisfy the request to wait.&lt;/p&gt;

&lt;p&gt;the cursors are  consistent because because the cursor is the find and getMore is an implementation detail. However the tailable cursors may need the support of readConcern&lt;/p&gt;</description>
                <environment></environment>
        <key id="425680">SERVER-31015</key>
            <summary>Investigate if GetMoreRequest must include readConcern for tailable cursors</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="13202">Works as Designed</resolution>
                                        <assignee username="backlog-server-query">Backlog - Query Team</assignee>
                                    <reporter username="misha.tyulenev@mongodb.com">Misha Tyulenev</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 Sep 2017 21:27:38 +0000</created>
                <updated>Fri, 27 Oct 2023 13:54:16 +0000</updated>
                            <resolved>Thu, 14 Sep 2017 14:47:16 +0000</resolved>
                                                                    <component>Querying</component>
                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1669939" author="schwerin" created="Mon, 11 Sep 2017 23:06:06 +0000"  >&lt;p&gt;getmore operations don&apos;t need read concern because they inherit the concern from the cursor. All we promised was that the cursor contents are from after the time sent on the find or aggregate.&lt;/p&gt;

&lt;p&gt;This is normally fine because getmore is an implement detail, invisible below the driver. Maybe get more should reject rather than ignore read concern.&lt;/p&gt;

&lt;p&gt;I&apos;d welcome argument on why tailable cursors are special.&lt;/p&gt;</comment>
                            <comment id="1669712" author="charlie.swanson" created="Mon, 11 Sep 2017 19:13:42 +0000"  >&lt;p&gt;This sounds like a legit bug to me. Is this also a bug with readConcern &quot;majority&quot; where a getMore might see operations that aren&apos;t majority committed? That would be a problem...&lt;/p&gt;

&lt;p&gt;cc &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=david.storch&quot; class=&quot;user-hover&quot; rel=&quot;david.storch&quot;&gt;david.storch&lt;/a&gt; - this looks like another bug where we fail to serialize some of the options sent to mongos, not sure if this should move over to the query team.&lt;/p&gt;</comment>
                            <comment id="1668548" author="misha.tyulenev" created="Fri, 8 Sep 2017 21:44:05 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=charlie.swanson&quot; class=&quot;user-hover&quot; rel=&quot;charlie.swanson&quot;&gt;charlie.swanson&lt;/a&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; what do you think? &lt;/p&gt;</comment>
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