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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-47567] Prevent incorrectly dropping oplog on 4.0</title>
                <link>https://jira.mongodb.org/browse/SERVER-47567</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38356&quot; title=&quot;Forbid dropping oplog in standalone mode on storage engines that support replSetResizeOplog&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38356&quot;&gt;&lt;del&gt;SERVER-38356&lt;/del&gt;&lt;/a&gt; requested adding guardrails to prevent users from dropping the oplog in standalone mode due to the use of an outdated procedure for resizing the oplog. In versions 4.0 and later, dropping the oplog in standalone mode can cause loss of majority-committed writes. The fix banned dropping the oplog completely for storage engines that support the &lt;tt&gt;replSetResizeOplog&lt;/tt&gt; command on versions 4.0 and later, with the suggested workaround to drop the entire local database in cases where dropping the oplog is necessary, such as restoring a replica set backup to a standalone. This was reverted on 4.0 in&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47558&quot; title=&quot;Revert SERVER-38356 on 4.0&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47558&quot;&gt;&lt;del&gt;SERVER-47558&lt;/del&gt;&lt;/a&gt; because it prevented some necessary maintenance procedures. We should consider alternative solutions on 4.0 (and perhaps on later branches), such as adding a &lt;tt&gt;force&lt;/tt&gt; option to the &lt;tt&gt;drop&lt;/tt&gt; command, or banning dropping the oplog only when there is a replica set config.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1316232">SERVER-47567</key>
            <summary>Prevent incorrectly dropping oplog on 4.0</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="evin.roesle@mongodb.com">Evin Roesle</assignee>
                                    <reporter username="tess.avitabile@mongodb.com">Tess Avitabile</reporter>
                        <labels>
                    </labels>
                <created>Wed, 15 Apr 2020 18:07:31 +0000</created>
                <updated>Thu, 4 Jun 2020 20:02:22 +0000</updated>
                            <resolved>Thu, 4 Jun 2020 15:28:19 +0000</resolved>
                                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3190129" author="evin.roesle" created="Thu, 4 Jun 2020 15:28:19 +0000"  >&lt;p&gt;Closing as Won&apos;t Do as the support team is aware of this and utilizes replSetResizeOplog effectively to mitigate this issue. &lt;/p&gt;</comment>
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