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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-80251] Re-evaluate condition for reading at last applied for the oplog</title>
                <link>https://jira.mongodb.org/browse/SERVER-80251</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd65dfd6e1ac1a442c65ed8cafbafdfdbc6cacdf/src/mongo/db/storage/snapshot_helper.cpp#L75-L127&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;shouldReadAtLastApplied&lt;/tt&gt; function&lt;/a&gt; returns whether the current operation should read at the last applied timestamp based on several criteria including namespace and replication state. One of the conditions is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd65dfd6e1ac1a442c65ed8cafbafdfdbc6cacdf/src/mongo/db/storage/snapshot_helper.cpp#L78-L80&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;if we are reading from the oplog on a secondary, we return &lt;tt&gt;true&lt;/tt&gt;&lt;/a&gt; (indicating that we &lt;em&gt;should&lt;/em&gt; read at the last applied timestamp). However, it&apos;s not immediately clear what this means since writes to the oplog collection are not timestamped. We should re-evaluate this condition.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2421331">SERVER-80251</key>
            <summary>Re-evaluate condition for reading at last applied for the oplog</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="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="gregory.noma@mongodb.com">Gregory Noma</assignee>
                                    <reporter username="gregory.noma@mongodb.com">Gregory Noma</reporter>
                        <labels>
                    </labels>
                <created>Fri, 18 Aug 2023 19:29:11 +0000</created>
                <updated>Tue, 6 Feb 2024 16:42:52 +0000</updated>
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