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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-55502] Investigate capped collection tailing behavior on local collections</title>
                <link>https://jira.mongodb.org/browse/SERVER-55502</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Capped collections on the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/89c8196081827a4e918d6446046fbf756e0f1d55/src/mongo/db/catalog/collection_impl.cpp#L223&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;local database&lt;/a&gt; don&apos;t use so-called &quot;metadata lock&quot; that serializes write operations. This may be a problem for tailable cursors, which could skip over &quot;holes&quot;. That is, the tailable cursors may skip over records that have not yet committed or are committed in a later snapshot.&lt;/p&gt;

&lt;p&gt;The oplog solves this problem by only showing records that are guaranteed to have no uncommitted writes before them. &lt;/p&gt;</description>
                <environment></environment>
        <key id="1658077">SERVER-55502</key>
            <summary>Investigate capped collection tailing behavior on local collections</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>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
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                <created>Wed, 24 Mar 2021 19:06:05 +0000</created>
                <updated>Tue, 6 Dec 2022 01:29:12 +0000</updated>
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