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    <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>[DRIVERS-1565] Investigate changes in PM-2130: Change the Default Write Concern to Majority</title>
                <link>https://jira.mongodb.org/browse/DRIVERS-1565</link>
                <project id="10980" key="DRIVERS">Drivers</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;Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    The current write concern default for the server is w:1. Starting 5.0, we plan to change the write concern default from w:1 to w:majority, except for limited cases involving arbiters.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-color: #cccccc;border-style: dashed;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;border-bottom-style: dashed;border-bottom-color: #cccccc;background-color: #239eb0;&quot;&gt;&lt;b&gt;Epic Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;

&lt;p&gt;The current write concern default for the server is w:1. This will change the write concern default from w:1 to w:majority.&#160;&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;

&lt;p&gt;Although MongoDB allows users to choose the right tradeoff between performance and consistency, the nuances of the system are complex and are often misused, or surprising to users. We should provide more intuitive and stronger consistency default settings out of the box.&lt;/p&gt;

&lt;p&gt;Secondly, MongoDB has battled with the customer perception that it is not reliable, durable, or intentionally chooses unsafe defaults to appear faster in benchmarks.&lt;/p&gt;

&lt;p&gt;This will allow MongoDB to push back strongly on the incorrect customer perceptions, reducing barriers and challenges for the sales team with new prospective customers and growing more usage from existing customers.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;CastofCharacters&quot;&gt;&lt;/a&gt;Cast of Characters&lt;/h4&gt;
&lt;ul&gt;
	&lt;li&gt;Product Owner: Evin Roesle&lt;/li&gt;
	&lt;li&gt;Project Lead:&lt;/li&gt;
	&lt;li&gt;Program Manager:&lt;/li&gt;
	&lt;li&gt;Drivers Contact:&lt;/li&gt;
&lt;/ul&gt;


&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;

&lt;p&gt;&lt;a href=&quot;https://tinyurl.com/y8ds22fk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope Document&lt;/a&gt;&lt;br/&gt;
 &lt;a href=&quot;https://tinyurl.com/ya6j6kqy&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design Document&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://tinyurl.com/y9fktqsp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;/p&gt;
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                <environment></environment>
        <key id="1626270">DRIVERS-1565</key>
            <summary>Investigate changes in PM-2130: Change the Default Write Concern to Majority</summary>
                <type id="11" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14707&amp;avatarType=issuetype">Epic</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Wed, 17 Feb 2021 19:14:26 +0000</created>
                <updated>Fri, 27 May 2022 01:26:12 +0000</updated>
                            <resolved>Mon, 8 Mar 2021 17:39:34 +0000</resolved>
                                                                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3652491" author="alexander.golin" created="Mon, 8 Mar 2021 17:39:34 +0000"  >&lt;p&gt;Triage: Closing as won&apos;t do, already have tests that verify we do this correctly, see &lt;a href=&quot;https://jira.mongodb.org/browse/DRIVERS-440&quot; title=&quot;Improve testing around default writeConcern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DRIVERS-440&quot;&gt;&lt;del&gt;DRIVERS-440&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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