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    <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-83631] Create collection coordinator must rollback if it finds an error when recreating chunk distribution</title>
                <link>https://jira.mongodb.org/browse/SERVER-83631</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The new create collection coordinator (feature flag protected) is creating one chunk on the db primary shard when finding any error.&lt;/p&gt;

&lt;p&gt;This could be triggered by potentially concurrent addZones that do not respect the shards where the critical section was entered.&lt;/p&gt;

&lt;p&gt;The current handling of this situation is misleading and it may make succeed the operation (shardCollection) letting garbage in some shards (collection created) and not respecting zones.&lt;/p&gt;

&lt;p&gt;The goal of this ticket is to, at the commit phase, the operation is permitted to skip the mustAlwaysMakeProgress and be rolled back, i.e. trigger the clean-up procedure, if it is re-calculating the parameters to execute the commit.&lt;/p&gt;

&lt;p&gt;Involved code &lt;a href=&quot;https://github.com/10gen/mongo/blob/c727e0e0111c6db9de81e816213179506ad03c4b/src/mongo/db/s/create_collection_coordinator.cpp#L1819-L1848&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2510690">SERVER-83631</key>
            <summary>Create collection coordinator must rollback if it finds an error when recreating chunk distribution</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="pol.pinol@mongodb.com">Pol Pinol</assignee>
                                    <reporter username="pol.pinol@mongodb.com">Pol Pinol</reporter>
                        <labels>
                            <label>robust-create-collection</label>
                    </labels>
                <created>Tue, 28 Nov 2023 15:10:11 +0000</created>
                <updated>Tue, 2 Jan 2024 14:15:32 +0000</updated>
                            <resolved>Tue, 2 Jan 2024 14:15:32 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5979304" author="xgen-internal-githook" created="Tue, 2 Jan 2024 13:41:20 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Pol Pi&#241;ol Castuera&apos;, &apos;email&apos;: &apos;67922619+PolPinol@users.noreply.github.com&apos;, &apos;username&apos;: &apos;PolPinol&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83631&quot; title=&quot;Create collection coordinator must rollback if it finds an error when recreating chunk distribution&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83631&quot;&gt;&lt;del&gt;SERVER-83631&lt;/del&gt;&lt;/a&gt; Create collection coordinator must rollback if it finds an error when recreating chunk distribution (#17227)&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: edd6a46b55c7e2b7eeaafbbba9552a5e28e113dc&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/626e92f2dcdf629df43a3fd964e6873fa1c367f8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/626e92f2dcdf629df43a3fd964e6873fa1c367f8&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2502975">SERVER-83386</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2436441">SERVER-80857</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2418582">SERVER-80135</issuekey>
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            <issuekey id="2390644">SERVER-78918</issuekey>
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