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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-66297] Get rid of `maxSize` for shards</title>
                <link>https://jira.mongodb.org/browse/SERVER-66297</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Get rid of &lt;a href=&quot;https://www.mongodb.com/docs/manual/tutorial/manage-sharded-cluster-balancer/#change-the-maximum-storage-size-for-a-given-shard&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;maxSize&lt;/a&gt; since it&apos;s a soft constraint and doesn&apos;t even do well what it&apos;s intended to do: it&apos;s a legacy parameter that made sense with the MMAP storage engine. Nowadays, the WT storage engine stores data in compressed form so this parameter is not honored anymore.&lt;/p&gt;


&lt;p&gt;Behavioral changes and upgrade/downgrade considerations: &lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;In versions &amp;gt;= 6.1 if you specify maxSize on addShard we will error with &#8220;InvalidOptions&#8221;&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;maxSize configuration field in config.settings will be kept until 7.0 to support dowgrade and then removed completely as part of 7.1 FCV upgrade procedure (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68430&quot; title=&quot;remove maxSizeMb entry from sharding catalog&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68430&quot;&gt;&lt;del&gt;SERVER-68430&lt;/del&gt;&lt;/a&gt;)&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2041524">SERVER-66297</key>
            <summary>Get rid of `maxSize` for shards</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="enrico.golfieri@mongodb.com">Enrico Golfieri</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                            <label>shardingemea-qw</label>
                    </labels>
                <created>Fri, 6 May 2022 19:11:00 +0000</created>
                <updated>Thu, 14 Dec 2023 17:59:55 +0000</updated>
                            <resolved>Wed, 7 Sep 2022 15:28:17 +0000</resolved>
                                                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="4808425" author="xgen-internal-githook" created="Wed, 7 Sep 2022 15:26:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Enrico Golfieri&apos;, &apos;email&apos;: &apos;enrico.golfieri@mongodb.com&apos;, &apos;username&apos;: &apos;enricogolfieri&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8e70f09df8dc3ce2cfcb1ceb8a5c880d2e5a0037&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8e70f09df8dc3ce2cfcb1ceb8a5c880d2e5a0037&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4808424" author="xgen-internal-githook" created="Wed, 7 Sep 2022 15:26:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Enrico Golfieri&apos;, &apos;email&apos;: &apos;enrico.golfieri@mongodb.com&apos;, &apos;username&apos;: &apos;enricogolfieri&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/5bfead7d6eecd3c5980134cd30e462c4bae6447c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/5bfead7d6eecd3c5980134cd30e462c4bae6447c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4799410" author="xgen-internal-githook" created="Fri, 2 Sep 2022 21:21:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sviatlana Zuiko&apos;, &apos;email&apos;: &apos;sviatlana.zuiko@mongodb.com&apos;, &apos;username&apos;: &apos;szuiko&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 22f21e6e5a8086b3766485cc323ce9673587f30c.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/56fa5811e2173dddfcb25689e15dafc680e9b0a6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/56fa5811e2173dddfcb25689e15dafc680e9b0a6&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4799409" author="xgen-internal-githook" created="Fri, 2 Sep 2022 21:21:09 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sviatlana Zuiko&apos;, &apos;email&apos;: &apos;sviatlana.zuiko@mongodb.com&apos;, &apos;username&apos;: &apos;szuiko&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit ffc968d1256179241101fe132a370c01619877dd.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/693e4ccb55c637698c5a4fff634be7daa4ae87e9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/693e4ccb55c637698c5a4fff634be7daa4ae87e9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4795336" author="xgen-internal-githook" created="Thu, 1 Sep 2022 15:04:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Enrico Golfieri&apos;, &apos;email&apos;: &apos;enrico.golfieri@mongodb.com&apos;, &apos;username&apos;: &apos;enricogolfieri&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/22f21e6e5a8086b3766485cc323ce9673587f30c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/22f21e6e5a8086b3766485cc323ce9673587f30c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4795335" author="xgen-internal-githook" created="Thu, 1 Sep 2022 15:04:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Enrico Golfieri&apos;, &apos;email&apos;: &apos;enrico.golfieri@mongodb.com&apos;, &apos;username&apos;: &apos;enricogolfieri&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66297&quot; title=&quot;Get rid of `maxSize` for shards&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66297&quot;&gt;&lt;del&gt;SERVER-66297&lt;/del&gt;&lt;/a&gt; get rid of maxSize&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/ffc968d1256179241101fe132a370c01619877dd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/ffc968d1256179241101fe132a370c01619877dd&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4728195" author="garaudy.etienne" created="Thu, 4 Aug 2022 11:19:42 +0000"  >&lt;p&gt;ping me when this is done so I can file docs ticket(s)&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="2128182">COMPASS-6095</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10320">
                    <name>Documented</name>
                                                                <inwardlinks description="is documented by">
                                        <issuelink>
            <issuekey id="2127472">DOCS-15601</issuekey>
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                            <issuelinktype id="10520">
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                                        <issuelink>
            <issuekey id="2525119">SERVER-84187</issuekey>
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                                                        </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="20786">SERVER-3566</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="2102498">SERVER-68430</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="14004">SERVER-2246</issuekey>
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                            <customfieldvalue>maxSize field from addShard command has been deprecated and InvalidOptions error is thrown in case user runs addShard{ ... , maxSize: &amp;lt;value&amp;gt; }. &lt;br/&gt;
maxSize field entry won&amp;#39;t be generated in config.shards, and in case is present because of an upgrade from previous version (we do not delete the entry when upgrade) the field is ignored. &lt;br/&gt;
Every cluster related stats printing the max size of the shard do not provide this information anymore.&lt;br/&gt;
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