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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-55746] Validate inserts into the oplog of a standalone for stale timestamps</title>
                <link>https://jira.mongodb.org/browse/SERVER-55746</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It can be convenient to allow MDB nodes to allow inserts into the oplog (and is even necessary for some current restore procedures). But oplog entries being inserted with a bad (stale) timestamp &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a36cc452e1e49305eb4f2505eae770b75fe08d5f/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp#L1291&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;trip this fassert&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The fassert is important for correctness of the typical writes replication performs against the oplog (that are still on behalf of a user operation). But there is hopefully a path for validating these timestamps. &lt;/p&gt;

&lt;p&gt;Perhaps a strict validation that an oplog entry&apos;s &lt;tt&gt;ts&lt;/tt&gt; field is larger than the current top of oplog? With an exception for an explicit &lt;tt&gt;`ts: Timestamp(0, 0)`&lt;/tt&gt; as I expect the server to be choosing TopOfOplog + 1.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1669723">SERVER-55746</key>
            <summary>Validate inserts into the oplog of a standalone for stale timestamps</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                    </labels>
                <created>Fri, 2 Apr 2021 14:50:55 +0000</created>
                <updated>Tue, 6 Dec 2022 01:27:19 +0000</updated>
                                                                            <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="3698606" author="daniel.gottlieb@10gen.com" created="Fri, 2 Apr 2021 14:51:35 +0000"  >&lt;p&gt;I put this on storage as its their fassert, but I could just as easily see this being for replication to do.&lt;/p&gt;</comment>
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