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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-6071] TCP Keepalive on EC2 recommendation</title>
                <link>https://jira.mongodb.org/browse/DOCS-6071</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;We usually recommend cranking the TCP KeepAlive at 120, yet this doc on EC2 recommends 300: &lt;a href=&quot;http://docs.mongodb.org/ecosystem/platforms/amazon-ec2/#keepalive&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/ecosystem/platforms/amazon-ec2/#keepalive&lt;/a&gt;&lt;/p&gt;
</description>
                <environment></environment>
        <key id="226271">DOCS-6071</key>
            <summary>TCP Keepalive on EC2 recommendation</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="alison.huh@mongodb.com">Alison Huh</assignee>
                                    <reporter username="jason.mimick">Jason Mimick</reporter>
                        <labels>
                            <label>docs-mongodb-ec2</label>
                            <label>reopened</label>
                            <label>triage</label>
                    </labels>
                <created>Wed, 19 Aug 2015 17:17:07 +0000</created>
                <updated>Mon, 30 Oct 2023 19:37:46 +0000</updated>
                            <resolved>Mon, 13 Mar 2023 20:04:17 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>50</watches>
                                                                                                                <comments>
                            <comment id="5245098" author="JIRAUSER1260472" created="Thu, 2 Mar 2023 21:14:02 +0000"  >&lt;p&gt;Perfect, thanks for the clarification &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=john.murphy%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;john.murphy@mongodb.com&quot;&gt;john.murphy@mongodb.com&lt;/a&gt;!&lt;/p&gt;</comment>
                            <comment id="5242928" author="john.murphy" created="Thu, 2 Mar 2023 08:14:52 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=alison.huh%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;alison.huh@mongodb.com&quot;&gt;alison.huh@mongodb.com&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;1. 120 is the recommended setting across all cloud providers.&lt;br/&gt;
2. This section in the docs is still valid. We accept up to 5 minutes, even if it won&apos;t effectively do anything useful. The recommended setting to make keep alives useful is 2 minutes.&lt;/p&gt;</comment>
                            <comment id="5225148" author="JIRAUSER1260472" created="Thu, 23 Feb 2023 15:11:58 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=john.murphy%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;john.murphy@mongodb.com&quot;&gt;john.murphy@mongodb.com&lt;/a&gt;, I know this original ticket just mentions EC2, but I had two follow-up questions regarding this before I start editing/adding information on the docs:&#160;&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Is 120 a recommendation we&apos;re making across all VMs or is this just specific to EC2?&lt;/li&gt;
	&lt;li&gt;I&apos;m seeing that in the docs, it currently says:&#160;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Keepalive values greater than 300 seconds, (5 minutes) will be overridden on mongod and mongos sockets and set to 300 seconds.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Does this recommendation still hold up or is this supposed to be changed to 120 seconds as well?&lt;/p&gt;</comment>
                            <comment id="4951653" author="JIRAUSER1264463" created="Thu, 3 Nov 2022 12:56:41 +0000"  >&lt;p&gt;Thanks for the confirm &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=john.murphy%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;john.murphy@mongodb.com&quot;&gt;john.murphy@mongodb.com&lt;/a&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="4950580" author="john.murphy" created="Thu, 3 Nov 2022 01:57:25 +0000"  >&lt;p&gt;We still need to make sure all our publicly facing documentation has a consistent recommendation of 120.&lt;/p&gt;</comment>
                            <comment id="4943621" author="edu.bot" created="Tue, 1 Nov 2022 11:01:51 +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>
                            <comment id="1011574" author="jason.mimick" created="Fri, 21 Aug 2015 11:51:12 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dean.johnson&quot; class=&quot;user-hover&quot; rel=&quot;dean.johnson&quot;&gt;dean.johnson&lt;/a&gt; - good idea, done.&lt;/p&gt;</comment>
                            <comment id="1010297" author="dean.johnson" created="Thu, 20 Aug 2015 01:04:37 +0000"  >&lt;p&gt;If the EC2 recommendation in the docs has change, would a DOCS  jira ticket be in order?&lt;/p&gt;</comment>
                            <comment id="1009822" author="jason.mimick" created="Wed, 19 Aug 2015 17:38:35 +0000"  >&lt;p&gt;Thanks &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=james.tan&quot; class=&quot;user-hover&quot; rel=&quot;james.tan&quot;&gt;james.tan&lt;/a&gt; - that&apos;s what I was thinking, but wanted to double check before telling a customer.&lt;/p&gt;</comment>
                            <comment id="1009816" author="james.tan" created="Wed, 19 Aug 2015 17:35:53 +0000"  >&lt;p&gt;IIRC our EC2 recommendation (300) is outdated.&lt;/p&gt;</comment>
                            <comment id="1009812" author="jason.mimick" created="Wed, 19 Aug 2015 17:33:36 +0000"  >&lt;p&gt;&apos;we&apos; as in MongoDB official documentation; &lt;a href=&quot;http://docs.mongodb.org/manual/faq/diagnostics/#does-tcp-keepalive-time-affect-mongodb-deployments&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/faq/diagnostics/#does-tcp-keepalive-time-affect-mongodb-deployments&lt;/a&gt;.&lt;/p&gt;

</comment>
                            <comment id="1009800" author="alex.komyagin@10gen.com" created="Wed, 19 Aug 2015 17:24:19 +0000"  >&lt;p&gt;I&apos;m also curious where do both numbers come from. The default connection timeout for ELB&apos;s is still 60 seconds according to this: &lt;a href=&quot;https://aws.amazon.com/blogs/aws/elb-idle-timeout-control/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://aws.amazon.com/blogs/aws/elb-idle-timeout-control/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1009795" author="alex.komyagin@10gen.com" created="Wed, 19 Aug 2015 17:19:26 +0000"  >&lt;p&gt;Who are &quot;we&quot; ?&lt;/p&gt;</comment>
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