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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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<item>
            <title>[SERVER-22464] Is it possible to make mongo reload data files without restart?</title>
                <link>https://jira.mongodb.org/browse/SERVER-22464</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I&apos;ve created a backup process for the mongo dbdir. The restoration process takes one of the backups created by rsync and copies it to a new disk and mounts it on the data dir.&lt;/p&gt;

&lt;p&gt;After the process I still see collections and databases (databases appear as empty) that existed before the restoration process, until I restart mongo. I would like to avoid this restart if possible,&lt;/p&gt;

&lt;p&gt;is there any way to cause mongo reload its data files on the fly? (I didn&apos;t use mongodump because it for some reason inflated the db from 4GB to 40GB after mongorestore, but that is a different issue)&lt;/p&gt;</description>
                <environment></environment>
        <key id="263086">SERVER-22464</key>
            <summary>Is it possible to make mongo reload data files without restart?</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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>
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                                    <resolution id="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="nadavreichler">nadav reichler</reporter>
                        <labels>
                    </labels>
                <created>Thu, 4 Feb 2016 13:39:59 +0000</created>
                <updated>Thu, 4 Feb 2016 13:50:17 +0000</updated>
                            <resolved>Thu, 4 Feb 2016 13:50:17 +0000</resolved>
                                    <version>3.0.3</version>
                                                    <component>Admin</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1163515" author="ramon.fernandez" created="Thu, 4 Feb 2016 13:49:44 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=nadavreichler&quot; class=&quot;user-hover&quot; rel=&quot;nadavreichler&quot;&gt;nadavreichler&lt;/a&gt;, modifying the files in &lt;tt&gt;dbpath&lt;/tt&gt; of a running &lt;tt&gt;mongod&lt;/tt&gt; is not supported, the behavior is undefined and may lead to data loss. Please read the &lt;a href=&quot;https://docs.mongodb.org/manual/core/backups/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;documentation about backup&lt;/a&gt; for more information.&lt;/p&gt;

&lt;p&gt;Please note that the SERVER project is for reporting bugs or feature suggestions for the MongoDB server. For MongoDB-related support discussion please post on the &lt;a href=&quot;http://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 &lt;a href=&quot;http://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;, where your question will reach a larger audience. A question like this involving more discussion would be best posted on the &lt;a href=&quot;http://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;. See also our &lt;a href=&quot;https://www.mongodb.org/about/support/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Support page&lt;/a&gt; for additional support resources.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
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