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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>[SERVER-76406] Avoid querying  previous config.placementHistory documents when inserting new ones</title>
                <link>https://jira.mongodb.org/browse/SERVER-76406</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While most DDLs just insert new document into &lt;tt&gt;config.placementHistory&lt;/tt&gt; as part of their commit, &lt;tt&gt;moveChunk&lt;/tt&gt; and &lt;tt&gt;renameCollection&lt;/tt&gt; perform first a lookup into the same collection to retrieve the latest placement information and build a new document on top of it.&lt;/p&gt;

&lt;p&gt;If such behaviour were removed, it could be possible to perform arbitrary trimming of the &lt;tt&gt;config.placementHistory&lt;/tt&gt;  log without the need to block any DDL.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2320802">SERVER-76406</key>
            <summary>Avoid querying  previous config.placementHistory documents when inserting new ones</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="13201">Fixed</resolution>
                                        <assignee username="paolo.polato@mongodb.com">Paolo Polato</assignee>
                                    <reporter username="paolo.polato@mongodb.com">Paolo Polato</reporter>
                        <labels>
                    </labels>
                <created>Fri, 21 Apr 2023 13:26:28 +0000</created>
                <updated>Sun, 29 Oct 2023 21:22:41 +0000</updated>
                            <resolved>Thu, 27 Apr 2023 10:30:02 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                    <fixVersion>7.0.0-rc1</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5401493" author="xgen-internal-githook" created="Thu, 4 May 2023 17:24:44 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-76406&quot; title=&quot;Avoid querying  previous config.placementHistory documents when inserting new ones&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-76406&quot;&gt;&lt;del&gt;SERVER-76406&lt;/del&gt;&lt;/a&gt; Avoid querying previous config.placementHistory documents when inserting new ones&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fb296603f20992ef9dee1a8d483e722a702adcec)&lt;br/&gt;
Branch: v7.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b80a9bcaefc2c64c930e7a5776fba5d346c0c4e9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b80a9bcaefc2c64c930e7a5776fba5d346c0c4e9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5380497" author="xgen-internal-githook" created="Thu, 27 Apr 2023 10:28:28 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-76406&quot; title=&quot;Avoid querying  previous config.placementHistory documents when inserting new ones&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-76406&quot;&gt;&lt;del&gt;SERVER-76406&lt;/del&gt;&lt;/a&gt; Avoid querying previous config.placementHistory documents when inserting new ones&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fb296603f20992ef9dee1a8d483e722a702adcec&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fb296603f20992ef9dee1a8d483e722a702adcec&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2313604">SERVER-76045</issuekey>
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