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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>[COMPASS-7142] Investigate changes in PM-2966: All MongoDB clusters are sharded clusters (existing RS, standalones and new clusters)</title>
                <link>https://jira.mongodb.org/browse/COMPASS-7142</link>
                <project id="13182" key="COMPASS">Compass </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;    Summary&lt;/p&gt;

&lt;p&gt;In version 8.0 of MongoDB we&#8217;ll make it so that new sharded clusters can be created and existing clusters can be expanded by running new instances of mongod without any required command line arguments.&lt;/p&gt;

&lt;p&gt;To do so we&#8217;ll make the following changes:&lt;/p&gt;

&lt;p&gt;The --router flag (router role) is always enabled and cannot be disabled.&lt;br/&gt;
The --replSet argument becomes an implicitly provided (enabled) argument.&lt;br/&gt;
The --shardsvr,&#160; --configsvr flags (and roles) default to being enabled.&lt;br/&gt;
If you specify any one of them individually then they default to being disabled in order to let users selectively designate a mongod as a dedicated shard server or a dedicated config server replica set member.&lt;/p&gt;

&lt;p&gt;Additional details about Bootstrapping New Clusters, growing clusters, and upgrading clusters can be found in the architecture document.&#160;&lt;/p&gt;

&lt;p&gt;Motivation&lt;/p&gt;

&lt;p&gt;We want to provide a way for non-Atlas users to start a 1 shard cluster by default when they spin up a new mongodb cluster by running a ./mongod. This will provide them the same default experience as Atlas users.&#160;&lt;/p&gt;


&lt;p&gt;Most teams have been informed in the PD for this epic: &lt;a href=&quot;https://jira.mongodb.org/browse/WRITING-11413&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/WRITING-11413&lt;/a&gt; &lt;br/&gt;
however, I wanted to make sure I click the downstream changes summary buttons as a friendly reminder about the change. &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;    &lt;b&gt;Summary&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;In version 8.0 of MongoDB we&#8217;ll make it so that new sharded clusters can be created and existing clusters can be expanded by running new instances of mongod without &lt;b&gt;any&lt;/b&gt; required command line arguments.&lt;/p&gt;

&lt;p&gt;To do so we&#8217;ll make the following changes:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;The --router flag (router role) is &lt;b&gt;always enabled&lt;/b&gt; and cannot be disabled.&lt;/li&gt;
	&lt;li&gt;The --replSet argument becomes an implicitly provided (enabled) argument.&lt;/li&gt;
	&lt;li&gt;The --shardsvr,&#160; --configsvr flags (and roles) default to being enabled.&lt;/li&gt;
	&lt;li&gt;If you specify any one of them individually then they default to being disabled in order to let users selectively designate a mongod as a dedicated shard server or a dedicated config server replica set member.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Additional details about Bootstrapping New Clusters, growing clusters, and upgrading clusters can be found in the &lt;a href=&quot;https://docs.google.com/document/d/1JZ3MqIPQYYn0dTcIzxFry1uR4AuKd3IG53IAmdkryY8/edit#heading=h.sov49lu3cv5p&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;architecture document&lt;/a&gt;.&#160;&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Motivation&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;We want to provide a way for non-Atlas users to start a 1 shard cluster by default when they spin up a new mongodb cluster by running a ./mongod. This will provide them the same default experience as Atlas users.&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2424826">COMPASS-7142</key>
            <summary>Investigate changes in PM-2966: All MongoDB clusters are sharded clusters (existing RS, standalones and new clusters)</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Wed, 23 Aug 2023 20:42:27 +0000</created>
                <updated>Thu, 11 Jan 2024 21:14:31 +0000</updated>
                            <resolved>Fri, 1 Sep 2023 17:23:14 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="6005454" author="dbeng-pm-bot" created="Thu, 11 Jan 2024 21:14:31 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-2966:&lt;/em&gt; &lt;br/&gt;
8.0 Release Blocker&lt;/p&gt;</comment>
                            <comment id="5896701" author="dbeng-pm-bot" created="Tue, 21 Nov 2023 20:23:42 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-2966:&lt;/em&gt; &lt;br/&gt;
8.0 Required&lt;/p&gt;</comment>
                            <comment id="5756017" author="dbeng-pm-bot" created="Thu, 5 Oct 2023 15:43:48 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-2966:&lt;/em&gt; &lt;br/&gt;
7.3 Targeted&lt;/p&gt;</comment>
                            <comment id="5675377" author="rhys.howell" created="Fri, 1 Sep 2023 17:23:14 +0000"  >&lt;p&gt;Shouldn&apos;t need any devtools work. We might want to investigate updating some of the help docs around rs.initiate after 8.0 is released as it won&apos;t be necesse. This also will cause some changes in telemetry as all post 8.0 previously standalone clusters will now be sharded replica sets (with 1 member). cc &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=julia.oppenheim%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;julia.oppenheim@mongodb.com&quot;&gt;julia.oppenheim@mongodb.com&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=massimiliano.marcon%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;massimiliano.marcon@mongodb.com&quot;&gt;massimiliano.marcon@mongodb.com&lt;/a&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="5675359" author="dbeng-pm-bot" created="Fri, 1 Sep 2023 17:15:42 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-2966:&lt;/em&gt; &lt;br/&gt;
7.2 Targeted&lt;/p&gt;</comment>
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