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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>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-62853] Report configured chunk size in collectionBalancerStatus</title>
                <link>https://jira.mongodb.org/browse/SERVER-62853</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The chunk size for a specific collection is calculated according to the following rules in order of precedence:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;The collection specific chunk size &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0527f6a2d024a0b0b6ac6706dc82820c405dad9d/src/mongo/s/catalog/type_collection.idl#L119&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;maxChunkSizeBytes&lt;/tt&gt; field in &lt;tt&gt;config.collection&lt;/tt&gt;&lt;/a&gt; if set&lt;/li&gt;
	&lt;li&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/1a3674ef1286d8bf285b900189e5f94a10ef984d/src/mongo/s/balancer_configuration.cpp#L232&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;global chunk size setting in &lt;tt&gt;config.settings.chunkSize&lt;/tt&gt;&lt;/a&gt; if set&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/1a3674ef1286d8bf285b900189e5f94a10ef984d/src/mongo/s/balancer_configuration.cpp#L87&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;The default global chunk size setting&lt;/a&gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;So currently it is not straightforward for a user checking which is the currently configured chunk size setting for a specific collection.&#160;&lt;br/&gt;
My proposal is to expose such information in the &lt;tt&gt;collectionBalancerStatus&lt;/tt&gt; output, taking into account the 3 rules listed above.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1968210">SERVER-62853</key>
            <summary>Report configured chunk size in collectionBalancerStatus</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="paolo.polato@mongodb.com">Paolo Polato</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Fri, 21 Jan 2022 10:23:20 +0000</created>
                <updated>Sun, 29 Oct 2023 21:43:50 +0000</updated>
                            <resolved>Thu, 17 Feb 2022 08:21:05 +0000</resolved>
                                                    <fixVersion>5.3.0-rc1</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4364514" author="xgen-internal-githook" created="Fri, 18 Feb 2022 17:42:11 +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-62853&quot; title=&quot;Report configured chunk size in collectionBalancerStatus&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62853&quot;&gt;&lt;del&gt;SERVER-62853&lt;/del&gt;&lt;/a&gt; Report maxChunkSize in balancerCollectionStatus()&lt;/p&gt;

&lt;p&gt;(cherry picked from commit eee82fa3dc2b0e370a21f9855b74b30937dd859c)&lt;br/&gt;
Branch: v5.3&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/59e5dbbc35d780fb85f9e1d8c3a0a3e36ff685c6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/59e5dbbc35d780fb85f9e1d8c3a0a3e36ff685c6&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4360226" author="xgen-internal-githook" created="Wed, 16 Feb 2022 22:20:54 +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-62853&quot; title=&quot;Report configured chunk size in collectionBalancerStatus&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62853&quot;&gt;&lt;del&gt;SERVER-62853&lt;/del&gt;&lt;/a&gt; Report maxChunkSize in balancerCollectionStatus()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/eee82fa3dc2b0e370a21f9855b74b30937dd859c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/eee82fa3dc2b0e370a21f9855b74b30937dd859c&lt;/a&gt;&lt;/p&gt;</comment>
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