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    <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-14239] Investigate changes in SERVER-53852: MongoDB hangs randomly</title>
                <link>https://jira.mongodb.org/browse/DOCS-14239</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;    Bug has been fixed which could cause mongod to hang up when there is a failure to write to log file.&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;    I am running MongoDB 4.4.2 cluster with one Primary, one Secondary and one hidden Secondary. On the hidden Secondary, sometimes (like once every 2 days or so) MongoDB just hangs (once it also happened on the Primary). By &quot;hangs&quot;, I mean:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;I am not able to connect to mongod via mongoshell&lt;/li&gt;
	&lt;li&gt;Secondary stops replicating, and starts lagging (until I restart it manually)&lt;/li&gt;
	&lt;li&gt;but running `rs.status()` on the Primary server shows that hung Secondary is reachable&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;I referred to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34190&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/SERVER-34190&lt;/a&gt; which looked like a similar issue (but it was fixed in 3.6.4). So I have attached the files that were requested in that issue:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Output of the gdb command: &lt;font color=&quot;#000000&quot;&gt;gdb &lt;del&gt;p $(pidof mongod) -batch -ex &apos;thread apply all bt&apos; &amp;gt; gdb_`date +&quot;%Y&lt;/del&gt;%m-%d_%H-%M-%S&quot;`.txt&lt;/font&gt;&lt;/li&gt;
	&lt;li&gt;Last 500 lines of mongod.log&lt;/li&gt;
	&lt;li&gt;I have provided the latest files in diagnostic.data folder&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Please let me know if you need anything else or you want me to try running some commands.&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="1628677">DOCS-14239</key>
            <summary>Investigate changes in SERVER-53852: MongoDB hangs randomly</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="andrew.feierabend@mongodb.com">Andrew Feierabend</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Fri, 19 Feb 2021 18:09:12 +0000</created>
                <updated>Mon, 13 Nov 2023 17:58:03 +0000</updated>
                            <resolved>Mon, 22 Mar 2021 17:33:31 +0000</resolved>
                                                    <fixVersion>4.4.6</fixVersion>
                    <fixVersion>5.0.0-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>2</watches>
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