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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-24863] mongo db balancer when there is 1,76,000 entries in tags collection of config database?</title>
                <link>https://jira.mongodb.org/browse/SERVER-24863</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt; am trying tag based sharding in mongo db with tag ranges .Since i do have a range for my shard key .I came up with an idea of adding range for each value of shard key.&lt;/p&gt;

&lt;p&gt;ex:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;sh.addTagRange( &quot;.&quot;,{ shardKey: 1 },{ shardKey: 2 },&quot;tag_name&quot;)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Since value 2 of shardKey in the above command is excluded in in the range .The range will cover only 1 value. I do this for all the documents(doc size : 1,76000 docs) . I have 2 tags and 2 shards .Each has only 1 node ie primary node.&lt;/p&gt;

&lt;p&gt;When i do this and do sh.startBalancer() .The data is not getting distributed across the shards as per the tag .&lt;/p&gt;

&lt;p&gt;Is this approach correct or having such large number of ranges in tags collection of config db is not supported or recommended ?&lt;/p&gt;</description>
                <environment></environment>
        <key id="297962">SERVER-24863</key>
            <summary>mongo db balancer when there is 1,76,000 entries in tags collection of config database?</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="abhiullals">Abhishek</reporter>
                        <labels>
                    </labels>
                <created>Fri, 1 Jul 2016 13:42:20 +0000</created>
                <updated>Thu, 14 Jul 2016 16:04:58 +0000</updated>
                            <resolved>Tue, 5 Jul 2016 20:23:04 +0000</resolved>
                                    <version>3.2.6</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1314479" author="ramon.fernandez" created="Tue, 5 Jul 2016 20:22:52 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=abhiullals&quot; class=&quot;user-hover&quot; rel=&quot;abhiullals&quot;&gt;abhiullals&lt;/a&gt;, please note that the SERVER project is for reporting bugs or feature suggestions for the MongoDB server. For MongoDB-related support discussion, questions are best posted on &lt;a href=&quot;http://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt; as you already did, or on the &lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-user group&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
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