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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-28742] Assign and persist a table/index key prefix for grouped collections</title>
                <link>https://jira.mongodb.org/browse/SERVER-28742</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When wiredtiger is running in &lt;tt&gt;&amp;#45;&amp;#45;groupCollections&lt;/tt&gt; mode, a prefix must be assigned to each new collection and index to correctly disambiguate and order keys passed to WT sharing the same table.&lt;/p&gt;

&lt;p&gt;These prefixes should be persisted (to the catalog or an internal WT table invisible to above layers) as well added to WiredTigerRecordStore and WiredTigerIndex objects at construction. Prefixes must be unique for all live collections and indexes. Reusing a prefix can result in records in different collections colliding. If convenient, a prefix may be used once for a record store and once for an index.&lt;/p&gt;

&lt;p&gt;The oplog collection and its index(es) should reside in their own table and not be prefixed.&lt;/p&gt;</description>
                <environment></environment>
        <key id="373142">SERVER-28742</key>
            <summary>Assign and persist a table/index key prefix for grouped collections</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="daniel.gottlieb@mongodb.com">Daniel Gottlieb</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                    </labels>
                <created>Tue, 11 Apr 2017 21:16:44 +0000</created>
                <updated>Thu, 12 Oct 2017 20:56:09 +0000</updated>
                            <resolved>Mon, 15 May 2017 18:21:10 +0000</resolved>
                                                    <fixVersion>3.5.8</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1571430" author="xgen-internal-githook" created="Mon, 15 May 2017 18:20:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dgottlieb&apos;, u&apos;name&apos;: u&apos;Daniel Gottlieb&apos;, u&apos;email&apos;: u&apos;daniel.gottlieb@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28742&quot; title=&quot;Assign and persist a table/index key prefix for grouped collections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28742&quot;&gt;&lt;del&gt;SERVER-28742&lt;/del&gt;&lt;/a&gt;: Assign prefixes to collections/indexes when --groupCollections is engaged&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b69aed9d10ef66de42880fd379b0a593419b6e47&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b69aed9d10ef66de42880fd379b0a593419b6e47&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1565902" author="xgen-internal-githook" created="Fri, 5 May 2017 18:43:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dgottlieb&apos;, u&apos;name&apos;: u&apos;Daniel Gottlieb&apos;, u&apos;email&apos;: u&apos;daniel.gottlieb@10gen.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28742&quot; title=&quot;Assign and persist a table/index key prefix for grouped collections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28742&quot;&gt;&lt;del&gt;SERVER-28742&lt;/del&gt;&lt;/a&gt;: Assign prefixes to collections/indexes when --groupCollections is engaged&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 867eda89f5451408c9ba96eaa1035c89f3401bb1.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e6d9d9722c86626c86a157be45f721ed49267863&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e6d9d9722c86626c86a157be45f721ed49267863&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1565470" author="xgen-internal-githook" created="Fri, 5 May 2017 13:50:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dgottlieb&apos;, u&apos;name&apos;: u&apos;Daniel Gottlieb&apos;, u&apos;email&apos;: u&apos;daniel.gottlieb@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28742&quot; title=&quot;Assign and persist a table/index key prefix for grouped collections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28742&quot;&gt;&lt;del&gt;SERVER-28742&lt;/del&gt;&lt;/a&gt;: Assign prefixes to collections/indexes when --groupCollections is engaged&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/867eda89f5451408c9ba96eaa1035c89f3401bb1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/867eda89f5451408c9ba96eaa1035c89f3401bb1&lt;/a&gt;&lt;/p&gt;</comment>
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