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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>[DOCS-12704] Update jumbo chunk definition</title>
                <link>https://jira.mongodb.org/browse/DOCS-12704</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;

&lt;p&gt;The page &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/clear-jumbo-flag/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/manual/tutorial/clear-jumbo-flag/&lt;/a&gt;&#160;mentions:&lt;/p&gt;
&lt;blockquote&gt;&lt;p&gt;If MongoDB cannot split a chunk that exceeds the specified chunk size or contains a number of documents that exceeds the max, MongoDB labels the chunk as jumbo.&lt;/p&gt;&lt;/blockquote&gt;
&lt;p&gt;It&apos;s not clear what &lt;tt&gt;max&lt;/tt&gt; is. I think this limitation was removed by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19919&quot; title=&quot;Chunks that exceed 250000 docs but are under half chunk size get marked as jumbo&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19919&quot;&gt;&lt;del&gt;SERVER-19919&lt;/del&gt;&lt;/a&gt;, so this is outdated?&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;
&lt;ul&gt;
	&lt;li&gt;Sync with Sharding team to understand what the impact of the linked server ticket is&lt;/li&gt;
	&lt;li&gt;Validate what the behavior was before that ticket&lt;/li&gt;
	&lt;li&gt;Update documentation for 4.2, 4.0, 3.6 (if necessary)&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="769583">DOCS-12704</key>
            <summary>Update jumbo chunk definition</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="nathan.contino@mongodb.com">Nathan Contino</assignee>
                                    <reporter username="kevin.adistambha@mongodb.com">Kevin Adistambha</reporter>
                        <labels>
                            <label>docs-onboarding-candidate</label>
                    </labels>
                <created>Thu, 16 May 2019 02:10:36 +0000</created>
                <updated>Mon, 30 Oct 2023 20:41:29 +0000</updated>
                            <resolved>Tue, 1 Oct 2019 22:43:27 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2444476" author="xgen-internal-githook" created="Tue, 1 Oct 2019 22:43:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;nathan-contino-mongo&apos;, &apos;username&apos;: &apos;nathan-contino-mongo&apos;, &apos;email&apos;: &apos;nathan.contino@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12704&quot; title=&quot;Update jumbo chunk definition&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12704&quot;&gt;&lt;del&gt;DOCS-12704&lt;/del&gt;&lt;/a&gt;: remove jumbo chunk reference to maximum document count&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/98c4b666469288993847d8d60d2de4bc57b43d3b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/98c4b666469288993847d8d60d2de4bc57b43d3b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2444475" author="xgen-internal-githook" created="Tue, 1 Oct 2019 22:42:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;nathan-contino-mongo&apos;, &apos;email&apos;: &apos;nathan.contino@mongodb.com&apos;, &apos;name&apos;: &apos;nathan-contino-mongo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12704&quot; title=&quot;Update jumbo chunk definition&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12704&quot;&gt;&lt;del&gt;DOCS-12704&lt;/del&gt;&lt;/a&gt;: remove jumbo chunk reference to maximum document count&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/30b17b6d97dd921acd846e7748cfdaf18fc5b600&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/30b17b6d97dd921acd846e7748cfdaf18fc5b600&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2444474" author="xgen-internal-githook" created="Tue, 1 Oct 2019 22:42:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;nathan-contino-mongo&apos;, &apos;username&apos;: &apos;nathan-contino-mongo&apos;, &apos;email&apos;: &apos;nathan.contino@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12704&quot; title=&quot;Update jumbo chunk definition&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12704&quot;&gt;&lt;del&gt;DOCS-12704&lt;/del&gt;&lt;/a&gt;: remove jumbo chunk reference to maximum document count&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/d0066c62f41c9d334627570e5d5db5a7d248c36a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/d0066c62f41c9d334627570e5d5db5a7d248c36a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2428250" author="xgen-internal-githook" created="Mon, 23 Sep 2019 15:30:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;nathan-contino-mongo&apos;, &apos;email&apos;: &apos;nathan.contino@mongodb.com&apos;, &apos;name&apos;: &apos;nathan-contino-mongo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12704&quot; title=&quot;Update jumbo chunk definition&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12704&quot;&gt;&lt;del&gt;DOCS-12704&lt;/del&gt;&lt;/a&gt;: remove jumbo chunk reference to maximum document count&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/8b445318b02aebb98687d7edf6b3de6074dadbc4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/8b445318b02aebb98687d7edf6b3de6074dadbc4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2248391" author="kevin.adistambha" created="Thu, 16 May 2019 03:59:13 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kay.kim&quot; class=&quot;user-hover&quot; rel=&quot;kay.kim&quot;&gt;kay.kim&lt;/a&gt;, I had a chat with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=linda.qin&quot; class=&quot;user-hover&quot; rel=&quot;linda.qin&quot;&gt;linda.qin&lt;/a&gt; about that max, and she didn&apos;t think it&apos;s referring to the Max number of documents per chunk to migrate. We were thinking that the original intention of the text was referring to the 250,000 max documents per chunk (which the balancer would try to split, failed, and mark the chunk as jumbo), but this was changed in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19919&quot; title=&quot;Chunks that exceed 250000 docs but are under half chunk size get marked as jumbo&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19919&quot;&gt;&lt;del&gt;SERVER-19919&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;I really don&apos;t know if the &quot;max&quot; mention be removed, or should it link to the &quot;max number of documents per chunk to migrate&quot;.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="903529">DOCS-12978</issuekey>
        </issuelink>
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