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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>[SERVER-24625] Monitor Silent Process Exit on Windows hosts</title>
                <link>https://jira.mongodb.org/browse/SERVER-24625</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We should configure the Windows hosts to monitor silent process exits, which could catch processes that exit abnormally.&lt;/p&gt;

&lt;p&gt;This requires some changes to the registry.&lt;br/&gt;
&lt;a href=&quot;https://msdn.microsoft.com/en-us/library/windows/hardware/jj602791(v=vs.85).aspx&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://msdn.microsoft.com/en-us/library/windows/hardware/jj602791(v=vs.85).aspx&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Additionally, we could configure the silent process exit monitor to generate minidumps, which might resolve an issue where no minidump is generated on a segfault.&lt;/p&gt;</description>
                <environment></environment>
        <key id="294545">SERVER-24625</key>
            <summary>Monitor Silent Process Exit on Windows hosts</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="9">Done</resolution>
                                        <assignee username="robert.guo@mongodb.com">Robert Guo</assignee>
                                    <reporter username="robert.guo@mongodb.com">Robert Guo</reporter>
                        <labels>
                    </labels>
                <created>Thu, 16 Jun 2016 19:06:55 +0000</created>
                <updated>Fri, 2 Sep 2016 00:29:08 +0000</updated>
                            <resolved>Tue, 16 Aug 2016 14:51:09 +0000</resolved>
                                    <version>3.3.8</version>
                                    <fixVersion>3.3.12</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1358279" author="xgen-internal-githook" created="Tue, 16 Aug 2016 14:49:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;guoyr&apos;, u&apos;name&apos;: u&apos;Robert Guo&apos;, u&apos;email&apos;: u&apos;robertguo@me.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-24625&quot; title=&quot;Monitor Silent Process Exit on Windows hosts&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-24625&quot;&gt;&lt;del&gt;SERVER-24625&lt;/del&gt;&lt;/a&gt; monitor silent process exits on windows&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f5c94de1eeaa2da2c66749dc80558228ae6ad314&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f5c94de1eeaa2da2c66749dc80558228ae6ad314&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1332599" author="mark.benvenuto" created="Fri, 22 Jul 2016 16:01:01 +0000"  >&lt;p&gt;Here are the correct registry keys to enable silent process exit.&lt;/p&gt;

&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\mongod.exe&quot;  /v GlobalFlag /t REG_DWORD /d 0x200   /f || true&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v LocalDumpFolder /t REG_SZ /d $(cygpath -w `pwd`)   /f || true&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v DumpType    /t REG_DWORD /d 0x121   /f || true&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v MaxNumberOfDumpFiles /t REG_DWORD /d 0x2710 /f || true&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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-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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v ReportingMode    /t REG_DWORD /d 0x6 /f || true&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;p&gt;Note: The files end with &quot;.dmp&quot;. &lt;/p&gt;

&lt;p&gt;I have used this to successfully catch a deadlock in a mongod that was being killed by mongo shell (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25210&quot; title=&quot;Deadlock in Master/Slave Startup on Windows 2008 R2&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25210&quot;&gt;&lt;del&gt;SERVER-25210&lt;/del&gt;&lt;/a&gt;).&lt;/p&gt;</comment>
                            <comment id="1297117" author="milkie" created="Thu, 16 Jun 2016 20:18:20 +0000"  >&lt;p&gt;&quot;Ignore Self Exits&quot; would mean we would only log processes that were externally killed, and the only time we do that is when the kill_helper runs in the shell.  And that&apos;s usually due to a slow or deadlocked process anyway.&lt;/p&gt;</comment>
                            <comment id="1297113" author="robert.guo" created="Thu, 16 Jun 2016 20:16:20 +0000"  >&lt;p&gt;I was thinking about initially setting &quot;Ignore Self Exits&quot; to &quot;true&quot;, which should cut down on some noise.&lt;/p&gt;

&lt;p&gt;But it doesn&apos;t seem to work all the time for me, even though it should, according to that docs page...&lt;/p&gt;</comment>
                            <comment id="1297053" author="milkie" created="Thu, 16 Jun 2016 19:29:49 +0000"  >&lt;p&gt;Also, I take &quot;exit on the main thread&quot; to mean, exactly, that we return from main() or wmain() prior to calling exit() (or friends) on any other thread.&lt;/p&gt;</comment>
                            <comment id="1297045" author="mark.benvenuto" created="Thu, 16 Jun 2016 19:23:29 +0000"  >&lt;p&gt;If you wanted to enable it, here is an example of evergreen changes I experimented with:&lt;/p&gt;

&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v LocalDumpFolder /t REG_SZ /d $(cygpath -w `pwd`)   /f&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v DumpType    /t REG_DWORD /d 0x121   /f&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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-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;REG ADD &quot;HKLM\\SOFTWARE\\MICROSOFT\\Windows NT\\CurrentVersion\\SilentProcessExit\\mongod.exe&quot;  /v ReportingMode    /t REG_DWORD /d 0x2 /f&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</comment>
                            <comment id="1297041" author="mark.benvenuto" created="Thu, 16 Jun 2016 19:21:29 +0000"  >&lt;p&gt;Since we do not exit on the main thread, yes, we are silently exiting.&lt;/p&gt;</comment>
                            <comment id="1297020" author="milkie" created="Thu, 16 Jun 2016 19:11:40 +0000"  >&lt;p&gt;I&apos;m not sure.  Isn&apos;t normal server exit going to be treated as &quot;silent&quot;, according to the criteria on that docs page?&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="301261">SERVER-25079</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="310818">SERVER-25726</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="311800">SERVER-25797</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="294543">SERVER-24624</issuekey>
        </issuelink>
                            </inwardlinks>
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