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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-15745] Investigate changes in SERVER-68576: We need to know how many sharded collections exist in a cluster</title>
                <link>https://jira.mongodb.org/browse/DOCS-15745</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;    Added a new field to server status &lt;br/&gt;
&lt;tt&gt;shardingStatistics.numShardedCollections&lt;/tt&gt; that will be only present in the config server output and will represent total number of sharded collection in the cluster.&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
&lt;p&gt;    We have made a lot of changes to the balancer. As a result, clusters with a high number of sharded collections may see slower balancing. In trying to find how many clusters have a high number of sharded collections, we realize that &lt;a href=&quot;https://www.mongodb.com/docs/manual/reference/command/serverStatus/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;serverStatus&lt;/a&gt; doesn&apos;t give us this information. &lt;/p&gt;

&lt;p&gt;We should track the number of sharded collections in a cluster and place that information in serverStatus. It would help to backport this to all the versions. &lt;/p&gt;

&lt;p&gt;something like &quot;&lt;em&gt;numShardedCollections&lt;/em&gt;&quot; or &quot;&lt;em&gt;catalogStatus.shardedCollections&lt;/em&gt;&quot; may suffice.&lt;/p&gt;

&lt;p&gt;This can be a lazy/slow count, aka can we do this in a way that doesn&apos;t impact customer workloads?&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2188510">DOCS-15745</key>
            <summary>Investigate changes in SERVER-68576: We need to know how many sharded collections exist in a cluster</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="ian.fogelman@mongodb.com">Ian Fogelman</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                            <label>ready-for-work</label>
                    </labels>
                <created>Thu, 17 Nov 2022 10:03:00 +0000</created>
                <updated>Mon, 13 Nov 2023 17:37:10 +0000</updated>
                            <resolved>Mon, 23 Jan 2023 16:11:50 +0000</resolved>
                                                    <fixVersion>6.0.4</fixVersion>
                    <fixVersion>6.3.0-rc0</fixVersion>
                    <fixVersion>5.0.15</fixVersion>
                    <fixVersion>6.2.0-rc2</fixVersion>
                    <fixVersion>4.4.19</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="5133390" author="xgen-internal-githook" created="Mon, 23 Jan 2023 16:08:09 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;ianf-mongodb&apos;, &apos;email&apos;: &apos;85948430+ianf-mongodb@users.noreply.github.com&apos;, &apos;username&apos;: &apos;ianf-mongodb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15745&quot; title=&quot;Investigate changes in SERVER-68576: We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15745&quot;&gt;&lt;del&gt;DOCS-15745&lt;/del&gt;&lt;/a&gt; v6.2 (#2422)&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15745&quot; title=&quot;Investigate changes in SERVER-68576: We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15745&quot;&gt;&lt;del&gt;DOCS-15745&lt;/del&gt;&lt;/a&gt; Adding numShardedCollections to serverStatus&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;code block&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;brackets&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;version added&lt;br/&gt;
Branch: v6.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/docs-mongodb-internal/commit/25a7f78845027885f280ba8989ae7b09fa9c653e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/docs-mongodb-internal/commit/25a7f78845027885f280ba8989ae7b09fa9c653e&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</comment>
                            <comment id="5091236" author="garaudy.etienne" created="Wed, 4 Jan 2023 21:20:28 +0000"  >&lt;p&gt;Please make &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=matt.panton%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;matt.panton@mongodb.com&quot;&gt;matt.panton@mongodb.com&lt;/a&gt; the external reviewer, please&lt;/p&gt;</comment>
                            <comment id="5014393" author="edu.bot" created="Tue, 29 Nov 2022 11:32:28 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68576&quot; title=&quot;We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68576&quot;&gt;&lt;del&gt;SERVER-68576&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.3.0-rc0, 6.0.4, 4.4.19, 6.2.0-rc2, 5.0.15&lt;/p&gt;</comment>
                            <comment id="5014184" author="edu.bot" created="Tue, 29 Nov 2022 09:47:29 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68576&quot; title=&quot;We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68576&quot;&gt;&lt;del&gt;SERVER-68576&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.3.0-rc0, 6.0.4, 6.2.0-rc2, 5.0.15&lt;/p&gt;</comment>
                            <comment id="5014050" author="edu.bot" created="Tue, 29 Nov 2022 08:47:29 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68576&quot; title=&quot;We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68576&quot;&gt;&lt;del&gt;SERVER-68576&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.3.0-rc0, 6.2.0-rc2, 5.0.15&lt;/p&gt;</comment>
                            <comment id="5014049" author="edu.bot" created="Tue, 29 Nov 2022 08:47:21 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68576&quot; title=&quot;We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68576&quot;&gt;&lt;del&gt;SERVER-68576&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.3.0-rc0, 5.0.15&lt;/p&gt;</comment>
                            <comment id="5005827" author="edu.bot" created="Thu, 24 Nov 2022 08:55:01 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68576&quot; title=&quot;We need to know how many sharded collections exist in a cluster&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68576&quot;&gt;&lt;del&gt;SERVER-68576&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.3.0-rc0&lt;/p&gt;</comment>
                            <comment id="4990618" author="garaudy.etienne" created="Thu, 17 Nov 2022 18:46:56 +0000"  >&lt;p&gt;right now, it&apos;s in code review for the master branch. we will backport it and link the releases once it&apos;s done. Assume 5.0 and newer.&lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="2197030">DOCS-15764</issuekey>
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            <issuekey id="2197117">DOCS-15766</issuekey>
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