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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[DOCS-5314] WriteConcern: clarify that &apos;w&apos; and &apos;j&apos; are orthogonal</title>
                <link>https://jira.mongodb.org/browse/DOCS-5314</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;RE: &lt;a href=&quot;http://docs.mongodb.org/manual/core/write-concern/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/core/write-concern/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;The above page may induce confusion due to the mixed use of &lt;tt&gt;w&lt;/tt&gt; and &lt;tt&gt;j&lt;/tt&gt; options to produce overall effects. I think the different levels would be OK but we should clarify that &lt;tt&gt;w&lt;/tt&gt; and &lt;tt&gt;j&lt;/tt&gt; are having different effects and do not directly collude.&lt;/p&gt;

&lt;p&gt;This page does a better job of making this distinction clearer: &lt;a href=&quot;http://docs.mongodb.org/manual/reference/write-concern/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/reference/write-concern/&lt;/a&gt;&lt;br/&gt;
Perhaps direct links to this page from the first one, regarding the individual options may be enough.&lt;/p&gt;

&lt;p&gt;&lt;tt&gt;w&lt;/tt&gt; is effectively a &quot;network level&quot; setting, specifying how commands can be acknowledged by members within a set (1, default, meaning only the one you are connected to).&lt;/p&gt;

&lt;p&gt;&lt;tt&gt;j&lt;/tt&gt; is effectively a &quot;local&quot; setting, specifying how commands must be durably written to the instance one is connected to but has no impact on the write-concern except in the case where w:0 is zero (&lt;tt&gt;j&lt;/tt&gt; overrides &lt;tt&gt;w&lt;/tt&gt;).&lt;/p&gt;

&lt;p&gt;In combination, this means that &lt;tt&gt;w&lt;/tt&gt; set to &quot;majority&quot; and &lt;tt&gt;j&lt;/tt&gt; set to &lt;tt&gt;true&lt;/tt&gt; &lt;b&gt;is&lt;/b&gt; meaningful. Though the linked page gives the impression that perhaps it isn&apos;t.&lt;/p&gt;

&lt;p&gt;&lt;tt&gt;w&lt;/tt&gt; and &lt;tt&gt;j&lt;/tt&gt; are orthogonal.&lt;/p&gt;</description>
                <environment></environment>
        <key id="201179">DOCS-5314</key>
            <summary>WriteConcern: clarify that &apos;w&apos; and &apos;j&apos; are orthogonal</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="andrew.ryder@mongodb.com">Andrew Ryder</reporter>
                        <labels>
                    </labels>
                <created>Thu, 30 Apr 2015 03:09:31 +0000</created>
                <updated>Mon, 30 Oct 2023 21:45:49 +0000</updated>
                            <resolved>Tue, 1 Nov 2022 11:02:47 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4943677" author="edu.bot" created="Tue, 1 Nov 2022 11:02:44 +0000"  >&lt;p&gt;Hello! This ticket has been closed due to inactivity. If you believe this ticket is still important, please reopen it and leave a comment to explain why. Thank you!&lt;/p&gt;</comment>
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