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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-3582] Mongo Windows Service locks up CPU when computer reboots after a crash.</title>
                <link>https://jira.mongodb.org/browse/SERVER-3582</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I have MongoDB set up as a Windows Service. If Windows crashes, MongoDB has a lock file in the data directory that causes the server to use 100% CPU and write continuously to the log file. This happens even if Mongo was never used. Currently the only solution is to disable the service and delete the lock file.&lt;/p&gt;</description>
                <environment>Windows 7 64 bit, Mongo 64 bit</environment>
        <key id="20898">SERVER-3582</key>
            <summary>Mongo Windows Service locks up CPU when computer reboots after a crash.</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="tad">Tad Marshall</assignee>
                                    <reporter username="iamic">Ian Campbell</reporter>
                        <labels>
                            <label>crash</label>
                            <label>logging</label>
                    </labels>
                <created>Thu, 11 Aug 2011 21:09:37 +0000</created>
                <updated>Mon, 11 Jul 2016 18:33:52 +0000</updated>
                            <resolved>Sat, 26 Nov 2011 19:10:42 +0000</resolved>
                                    <version>1.8.2</version>
                                    <fixVersion>2.1.0</fixVersion>
                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="69017" author="tad" created="Sat, 26 Nov 2011 20:05:00 +0000"  >&lt;p&gt;I posted bug &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-4373&quot; title=&quot;Windows service should &amp;quot;do the right thing&amp;quot; after a crash&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-4373&quot;&gt;&lt;del&gt;SERVER-4373&lt;/del&gt;&lt;/a&gt; &amp;#8211; Windows service should &quot;do the right thing&quot; after a crash &amp;#8211; to address the need to recover better after a system crash.&lt;/p&gt;</comment>
                            <comment id="69003" author="tad" created="Sat, 26 Nov 2011 19:10:42 +0000"  >&lt;p&gt;Fixed by commit 03cfbb50629b32c58db1cfef7e9e08e30d0c9fe6 .&lt;br/&gt;
We were setting the MongoDB Windows service to auto-restart, but this is doomed to failure after a crash because the mongod.lock file will cause us to fail on restart, leading to an endless loop.&lt;br/&gt;
We need to have a better solution to this, so that we restart in recovery mode or notify an administrator of the need for manual intervention somehow.  I&apos;ll post a separate bug asking for that.&lt;/p&gt;</comment>
                            <comment id="69001" author="auto" created="Sat, 26 Nov 2011 19:02:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;&apos;, u&apos;name&apos;: u&apos;Tad Marshall&apos;, u&apos;email&apos;: u&apos;tad@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3582&quot; title=&quot;Mongo Windows Service locks up CPU when computer reboots after a crash.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3582&quot;&gt;&lt;del&gt;SERVER-3582&lt;/del&gt;&lt;/a&gt; &amp;#8211; Mongo Windows Service locks up CPU when computer reboots after a crash&lt;/p&gt;

&lt;p&gt;Remove (put on the wrong side of #if 1, actually) the code that was setting&lt;br/&gt;
up automatic restarts (forever) after a &quot;failure&quot;.  Anything other than a&lt;br/&gt;
clean exit would cause automatic restart, and anything other than a clean&lt;br/&gt;
exit would leave the mongod.lock file set, which would cause another failure.&lt;br/&gt;
We need to have a better scheme for having the Windows service &quot;do the right&lt;br/&gt;
thing&quot; after a power failure or system crash, looping forever in failure mode&lt;br/&gt;
is not good behavior.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/03cfbb50629b32c58db1cfef7e9e08e30d0c9fe6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/03cfbb50629b32c58db1cfef7e9e08e30d0c9fe6&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="49238" author="ianrc72" created="Thu, 18 Aug 2011 08:35:52 +0000"  >&lt;p&gt;The tail end of the log file + the lock file. You can see the server infinitely keeps restarting.&lt;/p&gt;</comment>
                            <comment id="48360" author="cwestin" created="Fri, 12 Aug 2011 14:45:34 +0000"  >&lt;p&gt;Do you still have the log file?  It might be helpful to see what mongod is writing, even just the tail end of it, if you have it.  If you do, please attach it here.&lt;/p&gt;</comment>
                    </comments>
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                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="22781">SERVER-3942</issuekey>
        </issuelink>
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                                                        </outwardlinks>
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                                        <issuelink>
            <issuekey id="25530">SERVER-4373</issuekey>
        </issuelink>
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                <attachments>
                            <attachment id="12719" name="log" size="6867" author="ianrc72" created="Thu, 18 Aug 2011 08:35:52 +0000"/>
                            <attachment id="12720" name="mongod.lock" size="5" author="ianrc72" created="Thu, 18 Aug 2011 08:35:52 +0000"/>
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