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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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>[DOCS-8871] MMAPv1 re-use of space after dropping a collection</title>
                <link>https://jira.mongodb.org/browse/DOCS-8871</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;In Docs: &lt;a href=&quot;https://docs.mongodb.com/manual/faq/storage/#how-do-i-reclaim-disk-space&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;How do I reclaim disk space?&lt;/a&gt; when I &lt;b&gt;drop a collection from a database&lt;/b&gt;&lt;/p&gt;

&lt;blockquote&gt;&lt;p&gt;You do not need to reclaim disk space for MongoDB to reuse freed space.&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;Further in the &lt;a href=&quot;https://docs.mongodb.com/manual/faq/storage/#empty-records&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Empty Records section&lt;/a&gt; section:&lt;/p&gt;

&lt;blockquote&gt;&lt;p&gt;MongoDB maintains lists of empty records in data files as it deletes documents and collections. MongoDB can reuse this space, but will not, by default, return this space to the operating system. &lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;&lt;b&gt;Improvement Required&lt;/b&gt;:&lt;/p&gt;

&lt;p&gt;We need to explicitly mention that:&lt;/p&gt;

&lt;p&gt;&quot;The space will be reused by other collections in the &lt;b&gt;same database&lt;/b&gt; only and not by the collections in the other databases as each database in MMAPv1 has a separate file.&quot;&lt;/p&gt;</description>
                <environment></environment>
        <key id="319078">DOCS-8871</key>
            <summary>MMAPv1 re-use of space after dropping 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="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="stephen.steneker@mongodb.com">Stennie Steneker</assignee>
                                    <reporter username="ankur.raina@mongodb.com">Ankur Raina</reporter>
                        <labels>
                    </labels>
                <created>Tue, 27 Sep 2016 10:56:22 +0000</created>
                <updated>Mon, 30 Oct 2023 21:27:44 +0000</updated>
                            <resolved>Tue, 17 Oct 2017 18:46:12 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1701241" author="xgen-internal-githook" created="Tue, 17 Oct 2017 14:50:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;stennie@cpan.org&apos;, &apos;name&apos;: &apos;Stephen Steneker&apos;, &apos;username&apos;: &apos;stennie&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-8871&quot; title=&quot;MMAPv1 re-use of space after dropping a collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-8871&quot;&gt;&lt;del&gt;DOCS-8871&lt;/del&gt;&lt;/a&gt;: MMAPv1 re-use of space after dropping a collection&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/61d99f42d15b67d9ca94408564ac184eb698ae27&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/61d99f42d15b67d9ca94408564ac184eb698ae27&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1701239" author="xgen-internal-githook" created="Tue, 17 Oct 2017 14:49:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;stennie@cpan.org&apos;, &apos;name&apos;: &apos;Stephen Steneker&apos;, &apos;username&apos;: &apos;stennie&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-8871&quot; title=&quot;MMAPv1 re-use of space after dropping a collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-8871&quot;&gt;&lt;del&gt;DOCS-8871&lt;/del&gt;&lt;/a&gt;: MMAPv1 re-use of space after dropping a collection&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/bee9e790f4539fb7e0cd00692d988ee40a915909&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/bee9e790f4539fb7e0cd00692d988ee40a915909&lt;/a&gt;&lt;/p&gt;</comment>
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