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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-70849] Provide a quicker way to fix document count metadata for a collection</title>
                <link>https://jira.mongodb.org/browse/SERVER-70849</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Once a replica set member terminates abruptly, a number of documents for a collection (that the db.coll.estimatedDocumentCount() returns) may be afftected. This introduces a permanent skew for that collection.&lt;/p&gt;

&lt;p&gt;The only way to fix this at the moment is to run the validate() operation or perform an initial sync.&lt;/p&gt;

&lt;p&gt;Given the widespread adoption of Kubernetes, this increases the changes of abnormal termination of mongod processes, resulting in skewed counts. Since skewed results are replica set member-unique, this introduces a challenge for applications that are using the primaryPreferred read preference and a single-DC deployment topology: the count results may &quot;flip-flop&quot; since the writes may hit different replica set members.&lt;/p&gt;

&lt;p&gt;The improvement here would be to provide a tool that fixes the affected metadata counter faster, comparing to options available today (validate() and initial sync).&lt;/p&gt;</description>
                <environment></environment>
        <key id="2166929">SERVER-70849</key>
            <summary>Provide a quicker way to fix document count metadata for a collection</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>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="andrey.brindeyev@mongodb.com">Andrey Brindeyev</reporter>
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                <created>Tue, 25 Oct 2022 20:47:47 +0000</created>
                <updated>Mon, 5 Dec 2022 20:14:44 +0000</updated>
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