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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-6847] one file per table (or files per table)</title>
                <link>https://jira.mongodb.org/browse/SERVER-6847</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, we have one set of files for a database. &lt;br/&gt;
Doing a database repair on 1 TB of data can take a long time, as well as double diskspace required.&lt;/p&gt;

&lt;p&gt;Operations on one table should not affect the other in a database. &lt;br/&gt;
Locking a small table up because a big table needs repaired hurts. &lt;br/&gt;
Also, there may be times where a big table becomes emptied and you would like to reclaim the space of TableA without locking TableB. &lt;br/&gt;
Corrupted data might only affect one table, and repairing one table should not affect other tables ideally. &lt;/p&gt;

&lt;p&gt;So, a little history. For MySQL, one-file-per-table was resisted a lot until it finally got pushed in, and it made a BIG difference. You could reclaim diskspace for a specific table without having to reload your entire database to free up the diskspace. one-file-per-table as a huge benefit to operations. &lt;/p&gt;

&lt;p&gt;Something like this for Mongo would be great. &lt;/p&gt;

&lt;p&gt;The other solution is to do one table per database, but practically that just isn&apos;t going to happen and programmers don&apos;t think like that. &lt;/p&gt;

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        <key id="48072">SERVER-6847</key>
            <summary>one file per table (or files per table)</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="mark.nielsen@reputation.com">mark nielsen</reporter>
                        <labels>
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                <created>Fri, 24 Aug 2012 18:39:31 +0000</created>
                <updated>Tue, 6 Dec 2022 05:30:07 +0000</updated>
                            <resolved>Wed, 12 Apr 2017 20:44:04 +0000</resolved>
                                                                    <component>Internal Code</component>
                                        <votes>2</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1547571" author="milkie" created="Wed, 12 Apr 2017 20:44:04 +0000"  >&lt;p&gt;The default storage engine, WiredTiger, now has one file per collection (or rather, multiple files per collection and associated indexes).&lt;/p&gt;</comment>
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