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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-13506] Investigate changes in SERVER-46567: Update shell methods Mongo.setReadPref and cursor.readPref to support hedging</title>
                <link>https://jira.mongodb.org/browse/DOCS-13506</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;

    &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;    Mongo.setReadPref and Cursor.readPref now take in an additional argument hedgeOptions.&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;p&gt;    Change Mongo.setReadPref(mode, tagSet) to Mongo.setReadPref(mode, tagSet, hedgeOptions) and cursor.readPref(mode, tagSet) to cursor.readPref(mode, tagSet, hedgeOptions), where hedgeOptions is an optional argument of the form {enabled: &amp;lt;bool&amp;gt;}.&lt;/p&gt;

&lt;p&gt;Similar to the $readPreference subkey {hedge: {enabled: &amp;lt;bool&amp;gt;}}, passing {} is equivalent to passing&lt;/p&gt;

{enabled: true}

&lt;p&gt;since &apos;enabled&apos; defaults to true.&lt;/p&gt;


&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;MVP%28WorkandDate%29&quot;&gt;&lt;/a&gt;MVP (Work and Date)&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;Resources%28ScopeorDesignDocs%2CInvision%2Cetc.%29&quot;&gt;&lt;/a&gt;Resources (Scope or Design Docs, Invision, etc.)&lt;/h2&gt;
</description>
                <environment></environment>
        <key id="1259631">DOCS-13506</key>
            <summary>Investigate changes in SERVER-46567: Update shell methods Mongo.setReadPref and cursor.readPref to support hedging</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="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Tue, 10 Mar 2020 18:22:22 +0000</created>
                <updated>Mon, 13 Nov 2023 18:08:22 +0000</updated>
                            <resolved>Wed, 18 Mar 2020 15:07:49 +0000</resolved>
                                                    <fixVersion>4.4.0-rc0</fixVersion>
                    <fixVersion>4.7.0</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>Fri, 20 Mar 2020 00:00:00 +0000</due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2985097" author="xgen-internal-githook" created="Wed, 18 Mar 2020 15:00:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kay Kim&apos;, &apos;username&apos;: &apos;kay-kim&apos;, &apos;email&apos;: &apos;kay.kim@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-13506&quot; title=&quot;Investigate changes in SERVER-46567: Update shell methods Mongo.setReadPref and cursor.readPref to support hedging&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-13506&quot;&gt;&lt;del&gt;DOCS-13506&lt;/del&gt;&lt;/a&gt;: forgot to save file&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/34796fea9b6cbc4385f22c0bf7a02d92bf863d71&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/34796fea9b6cbc4385f22c0bf7a02d92bf863d71&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2985092" author="xgen-internal-githook" created="Wed, 18 Mar 2020 15:00:01 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kay.kim@10gen.com&apos;, &apos;name&apos;: &apos;Kay Kim&apos;, &apos;username&apos;: &apos;kay-kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-13506&quot; title=&quot;Investigate changes in SERVER-46567: Update shell methods Mongo.setReadPref and cursor.readPref to support hedging&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-13506&quot;&gt;&lt;del&gt;DOCS-13506&lt;/del&gt;&lt;/a&gt;: 4.4 mongo shell readPref helper methods take hedge read params&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/f73fb846c2dd2456de48e6b6bcad3801097da612&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/f73fb846c2dd2456de48e6b6bcad3801097da612&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2982638" author="kay.kim@10gen.com" created="Tue, 17 Mar 2020 02:43:44 +0000"  >&lt;p&gt;Because we currently don&apos;t document $readPreference for runCommand and for the shell, only document through cursor.readPref and Mongo.setReadPref() method.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Will revisit decision to document $readPreference option though &#8211; as the readPref doc need to be redone in the summer.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="1082479">SERVER-45439</issuekey>
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            <issuekey id="1114900">DOCS-13369</issuekey>
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