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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-43955] Cleanup all data from Cluster</title>
                <link>https://jira.mongodb.org/browse/SERVER-43955</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi&lt;/p&gt;

&lt;p&gt;I wonder if you have a functionality that completely resets the data from a MongoDB cluster.&lt;br/&gt;
I ask especially for the data which is stored in the &quot;config&quot; database.&lt;br/&gt;
Since version 4 the metadata of deleted databases is also deleted but many of the collections still contain data although all databases have been deleted from the cluster.&lt;br/&gt;
Therefore it would be nice to have a script to delete all data/locks/action logs/chunks etc. properly.&lt;/p&gt;

&lt;p&gt;Is there such a possibility without having to perform a new installation?&lt;/p&gt;

&lt;p&gt;As I have seen, if I simply delete the entries from the config database, the &quot;tags&quot;, for example, will not be cleanly deleted on all shards.&#160;Or is it safe to just flush out these collections?&#160;&lt;/p&gt;

&lt;p&gt;Thank you very much!&lt;/p&gt;</description>
                <environment></environment>
        <key id="967442">SERVER-43955</key>
            <summary>Cleanup all data from Cluster</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="carl.champain@mongodb.com">Carl Champain</assignee>
                                    <reporter username="florian.hulliger@gmail.com">Florian Hulliger</reporter>
                        <labels>
                    </labels>
                <created>Fri, 11 Oct 2019 12:19:06 +0000</created>
                <updated>Fri, 11 Oct 2019 17:48:31 +0000</updated>
                            <resolved>Fri, 11 Oct 2019 17:48:31 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2478283" author="carl.champain" created="Fri, 11 Oct 2019 17:20:14 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=florian.hulliger%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;florian.hulliger@gmail.com&quot;&gt;florian.hulliger@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;The only recommended way to reset the data from a MongoDB cluster is to create a new cluster. Importantly, deleting sharding metadata will likely cause the cluster to start failing in strange ways.&lt;/p&gt;

&lt;p&gt;That said, the SERVER project is for bugs and feature suggestions for the MongoDB server. As this ticket does not appear to be a bug, I will now close it. If you need further assistance, I encourage you to ask our community by posting on the &lt;a href=&quot;https://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-user group&lt;/a&gt; or on &lt;a href=&quot;https://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Kind regards,&lt;br/&gt;
 Carl&lt;/p&gt;</comment>
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