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<channel>
    <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>
    </build-info>


<item>
            <title>[DOCS-15230] Investigate changes in SERVER-61802: Document changeStreamOptions parameter</title>
                <link>https://jira.mongodb.org/browse/DOCS-15230</link>
                <project id="10380" key="DOCS">Documentation</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;    This PR introduces a new cluster-wide server parameter, which will be the first one supported by the server. The parameter is called changeStreamOptions and will look as follows in 6.0:&lt;/p&gt;

&lt;p&gt;changeStreamOptions: {preAndPostImages: {expireAfterSeconds: &amp;lt;&apos;off&apos; | &amp;lt;integer&amp;gt;&amp;gt;}}&lt;/p&gt;

&lt;p&gt;By default, changeStreamOptions.preAndPostImages.expireAfterSeconds is &apos;off&apos;, meaning that the pre-image time-based retention policy is not active. It can be set to an integer, which turns on the time-based policy such that pre-images are kept on the server for &apos;expireAfterSeconds&apos; seconds.&lt;/p&gt;

&lt;p&gt;Ex: to retain pre-images for change streams for 30 seconds each, invoke setClusterParameter as follows:&lt;br/&gt;
db.runCommand({setClusterParameter: {changeStreamOptions: {preAndPostImages: {expireAfterSeconds: 30}}}})&lt;br/&gt;
This only should be run on a mongos in a sharded cluster or on a replica set primary on a non-sharded replica set. The value will be set cluster-wide.&lt;/p&gt;

&lt;p&gt;To retrieve any cluster node&apos;s value for changeStreamOptions, run the following command:&lt;br/&gt;
db.runCommand(&lt;/p&gt;
{getClusterParameter: &quot;changeStreamOptions&quot;}
&lt;p&gt;)&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;    In PM-1944&#160;a cluster-wide configuration parameter was added to provide control on how much time can pass after the change event occurrence when the system can purge any state required to provide pre- and post-images for the change event. Implement&#160;propagation throughout the cluster and persistence aspects of that parameter by leveraging mechanisms provided by PM-2502 (Mechanism for Specifying Cluster-Wide Configuration Options).&lt;/p&gt;

&lt;p&gt;Additional scope:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Enable the feature flag that guards the configuration parameter, so the time-based change stream pre-image retention policy becomes accessible to the users.&lt;/li&gt;
	&lt;li&gt;Create a task to remove the feature flag referred to above.&lt;/li&gt;
&lt;/ul&gt;




&lt;p&gt;The parameter was introduced by&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58692&quot; title=&quot;Introduce cluster-wide pre-image expiration parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58692&quot;&gt;&lt;del&gt;SERVER-58692&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2022815">DOCS-15230</key>
            <summary>Investigate changes in SERVER-61802: Document changeStreamOptions parameter</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="jocelyn.mendez@mongodb.com">Jocelyn Mendez</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                            <label>mdb-world-required</label>
                    </labels>
                <created>Tue, 12 Apr 2022 02:48:04 +0000</created>
                <updated>Mon, 13 Nov 2023 17:43:00 +0000</updated>
                            <resolved>Thu, 7 Jul 2022 16:24:40 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</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></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4674320" author="xgen-internal-githook" created="Tue, 12 Jul 2022 17:32:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jocelyn-mendez1&apos;, &apos;email&apos;: &apos;91144778+jocelyn-mendez1@users.noreply.github.com&apos;, &apos;username&apos;: &apos;jocelyn-mendez1&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; changeStreamOptions cluster parameter (#1149)&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; changeStreamOptions cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; added release note&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; fixed accidental deletion&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; internal feedback&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; rearranging description&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; nit change&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; mongos &amp;amp; mongod&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; add replace&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; zoom changes&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; correcting to mongos&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; tech feedback&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Co-authored-by: Jocelyn Mendez &amp;lt;jocelyn.mendez@Jocelyns-MacBook-Pro.local&amp;gt;&lt;br/&gt;
Branch: v6.1&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/docs-mongodb-internal/commit/df35f1f57ccf41dfbfc40b0c730a5d122957223c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/docs-mongodb-internal/commit/df35f1f57ccf41dfbfc40b0c730a5d122957223c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4650650" author="xgen-internal-githook" created="Thu, 30 Jun 2022 15:25:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jocelyn-mendez1&apos;, &apos;email&apos;: &apos;91144778+jocelyn-mendez1@users.noreply.github.com&apos;, &apos;username&apos;: &apos;jocelyn-mendez1&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; changeStreamOptions cluster parameter (#1149)&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; changeStreamOptions cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; added release note&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; fixed accidental deletion&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; internal feedback&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; rearranging description&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; cluster parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; nit change&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; restructuring parameter&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; mongos &amp;amp; mongod&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; add replace&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; zoom changes&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; correcting to mongos&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; tech feedback&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref link&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-15230&quot; title=&quot;Investigate changes in SERVER-61802: Document changeStreamOptions parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-15230&quot;&gt;&lt;del&gt;DOCS-15230&lt;/del&gt;&lt;/a&gt; updating ref&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Co-authored-by: Jocelyn Mendez &amp;lt;jocelyn.mendez@Jocelyns-MacBook-Pro.local&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/docs-mongodb-internal/commit/df35f1f57ccf41dfbfc40b0c730a5d122957223c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/docs-mongodb-internal/commit/df35f1f57ccf41dfbfc40b0c730a5d122957223c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4475471" author="JIRAUSER1257477" created="Tue, 12 Apr 2022 02:48:11 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61802&quot; title=&quot;Implement pre-image expiration configuration parameter propagation and persistence using Mechanism for Specifying Cluster-Wide Configuration Options&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61802&quot;&gt;&lt;del&gt;SERVER-61802&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
6.0.0-rc0&lt;/p&gt;</comment>
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                            <customfieldvalue>This PR introduces a new cluster-wide server parameter, which will be the first one supported by the server. The parameter is called changeStreamOptions and will look as follows in 6.0:&lt;br/&gt;
&lt;br/&gt;
changeStreamOptions: {preAndPostImages: {expireAfterSeconds: &amp;lt;&amp;#39;off&amp;#39; | &amp;lt;integer&amp;gt;&amp;gt;}}&lt;br/&gt;
&lt;br/&gt;
By default, changeStreamOptions.preAndPostImages.expireAfterSeconds is &amp;#39;off&amp;#39;, meaning that the pre-image time-based retention policy is not active. It can be set to an integer, which turns on the time-based policy such that pre-images are kept on the server for &amp;#39;expireAfterSeconds&amp;#39; seconds.&lt;br/&gt;
&lt;br/&gt;
Ex: to retain pre-images for change streams for 30 seconds each, invoke setClusterParameter as follows:&lt;br/&gt;
db.runCommand({setClusterParameter: {changeStreamOptions: {preAndPostImages: {expireAfterSeconds: 30}}}})&lt;br/&gt;
This only should be run on a mongos in a sharded cluster or on a replica set primary on a non-sharded replica set. The value will be set cluster-wide.&lt;br/&gt;
&lt;br/&gt;
To retrieve any cluster node&amp;#39;s value for changeStreamOptions, run the following command:&lt;br/&gt;
db.runCommand({getClusterParameter: &amp;quot;changeStreamOptions&amp;quot;})</customfieldvalue>

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