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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-64171] Split chunks when downgrading from v6.0</title>
                <link>https://jira.mongodb.org/browse/SERVER-64171</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;With the introduction of ranges in v6.0, chunks will have different sizes by design. This implies that when downgrading to pre-v6.0 versions, it will be needed to split again chunks according to the configured chunk size.&lt;/p&gt;

&lt;p&gt;The idea is to run &lt;a href=&quot;https://github.com/mongodb/mongo/blob/212e9839ba0de9f85b1cebe9ae13f6b7a40aa85d/src/mongo/db/s/auto_split_vector.h#L108-L113&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;autoSplitVector&lt;/a&gt; on all the existing ranges in order to split them (if needed).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1994053">SERVER-64171</key>
            <summary>Split chunks when downgrading from v6.0</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Thu, 3 Mar 2022 17:13:30 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:40 +0000</updated>
                            <resolved>Tue, 12 Apr 2022 07:54:12 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4475449" author="xgen-internal-githook" created="Tue, 12 Apr 2022 02:17:14 +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-64171&quot; title=&quot;Split chunks when downgrading from v6.0&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64171&quot;&gt;&lt;del&gt;SERVER-64171&lt;/del&gt;&lt;/a&gt; Resize Cluster Chunks when downgrading to 5.x&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bc35bf347362573c1d6c4b7d3bf5a92ac5839c8e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bc35bf347362573c1d6c4b7d3bf5a92ac5839c8e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4406680" author="JIRAUSER1259531" created="Fri, 11 Mar 2022 15:46:13 +0000"  >&lt;p&gt;Moving the ticket back to open, after identifying &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64437&quot; title=&quot;Improve the logic to consume streaming actions on the Balancer secondary thread&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64437&quot;&gt;&lt;del&gt;SERVER-64437&lt;/del&gt;&lt;/a&gt; as an unsolved dependency.&lt;/p&gt;</comment>
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            <issuekey id="1999520">SERVER-64437</issuekey>
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            <issuekey id="2006269">SERVER-64779</issuekey>
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