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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-37728] Disabling majority reads negates some goals of filesystem backups</title>
                <link>https://jira.mongodb.org/browse/SERVER-37728</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The mechanism for reducing history (enableMajorityReads=false) was forward ported from 3.6. In 3.6, MongoDB didn&apos;t fully timestamp all writes and thus relied on logging all table writes and performing rollback via refetch.&lt;/p&gt;

&lt;p&gt;The forward port to 4.0 and master also ported the functionality of enabling logging of all tables. This impacts the goal of filesystem backups to be able to 1) copy majority committed data and 2) the ability to control, via replication recovery, playing data to a specific time T in the oplog.&lt;/p&gt;

&lt;p&gt;This ticket is a placeholder to make sure we understand the limitations this introduces and discuss, with the backup team/product, what we can do as a whole to reduce the limitations for the least amount of effort.&lt;/p&gt;</description>
                <environment></environment>
        <key id="623460">SERVER-37728</key>
            <summary>Disabling majority reads negates some goals of filesystem backups</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="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="9">Done</resolution>
                                        <assignee username="william.schultz@mongodb.com">William Schultz</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 Oct 2018 13:47:26 +0000</created>
                <updated>Wed, 14 Nov 2018 22:48:58 +0000</updated>
                            <resolved>Wed, 14 Nov 2018 22:48:34 +0000</resolved>
                                                                    <component>Replication</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2056498" author="william.schultz" created="Thu, 8 Nov 2018 20:26:38 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=daniel.gottlieb&quot; class=&quot;user-hover&quot; rel=&quot;daniel.gottlieb&quot;&gt;daniel.gottlieb&lt;/a&gt; Going to close this since &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37897&quot; title=&quot;Disable table logging for data files when enableMajorityReadConcern=false&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37897&quot;&gt;&lt;del&gt;SERVER-37897&lt;/del&gt;&lt;/a&gt; has been filed. Ok with you?&lt;/p&gt;</comment>
                            <comment id="2045259" author="greg.mckeon" created="Mon, 29 Oct 2018 18:04:47 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=alyson.cabral&quot; class=&quot;user-hover&quot; rel=&quot;alyson.cabral&quot;&gt;alyson.cabral&lt;/a&gt; so she&apos;s aware.  &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=william.schultz&quot; class=&quot;user-hover&quot; rel=&quot;william.schultz&quot;&gt;william.schultz&lt;/a&gt; to follow up with backup/storage and product.&lt;/p&gt;</comment>
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