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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>[SERVER-14905] mongod crashes without any error message</title>
                <link>https://jira.mongodb.org/browse/SERVER-14905</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On a 1GB RAM Ubuntu server running on Digital Ocean, a single-instance mongod crashes silently.&lt;/p&gt;

&lt;p&gt;&lt;tt&gt;uname -a&lt;/tt&gt;:&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;
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						&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;Linux stockbase 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux&lt;/span&gt;&lt;/pre&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;last lines of &lt;tt&gt;/var/mongodb/log&lt;/tt&gt;:&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;2014-08-14T12:46:13.486-0700 [conn5] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0001307617&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/1307617/000130761714000004/0001307617-14-000004-index.htm&quot;, pubDate: new Date(1408045202000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:0 locks(micros) r:704798 reslen:48 704ms&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2014-08-14T12:46:14.114-0700 [conn2] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0001167507&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/1167507/000114036114032723/0001140361-14-032723-index.htm&quot;, pubDate: new Date(1408045175000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:0 locks(micros) r:622573 reslen:48 622ms&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;2014-08-14T12:46:14.799-0700 [conn4] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0000859804&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/859804/000085980414000005/0000859804-14-000005-index.htm&quot;, pubDate: new Date(1408045167000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:1 locks(micros) r:1082196 reslen:48 679ms&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2014-08-14T12:46:15.407-0700 [conn3] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0001538375&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/1538375/000104746914007004/0001047469-14-007004-index.htm&quot;, pubDate: new Date(1408045158000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:0 locks(micros) r:602606 reslen:48 602ms&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;2014-08-14T12:46:16.065-0700 [conn5] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0001492224&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/1492224/000108514614001748/0001085146-14-001748-index.htm&quot;, pubDate: new Date(1408045126000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:1 locks(micros) r:792784 reslen:48 653ms&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;2014-08-14T12:47:20.622-0700 [clientcursormon] mem (MB) res:281 virt:8691&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;2014-08-14T12:47:20.622-0700 [clientcursormon]  mapped (incl journal view):8254&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;2014-08-14T12:47:20.622-0700 [clientcursormon]  connections:10&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;2014-08-14T12:48:27.858-0700 [conn4] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0000811831&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/811831/000081183114000003/0000811831-14-000003-index.htm&quot;, pubDate: new Date(1408045304000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:33 locks(micros) r:5274901 reslen:48 3324ms&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;2014-08-14T12:48:28.303-0700 [conn5] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0000943034&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/943034/000089710114001151/0000897101-14-001151-index.htm&quot;, pubDate: new Date(1408045124000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:24 locks(micros) r:5982433 reslen:48 3454ms&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2014-08-14T12:48:29.390-0700 [conn3] command stockbase-prod.$cmd command: count { count: &quot;content&quot;, query: { ct: &quot;filing&quot;, cik: &quot;0000943034&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/943034/000089710114001151/0000897101-14-001151-index.htm&quot;, pubDate: new Date(1408045124000) }, fields: null } planSummary: IXSCAN { ct: 1 }, IXSCAN { pubDate: -1, title: 1 } keyUpdates:0 numYields:56 locks(micros) r:6455049 reslen:48 4445ms&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;2014-08-14T13:41:23.639-0700 ***** SERVER RESTARTED *****&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;I&apos;ve run the application code again several times, and one time, the log file did show that mongod was running out of memory:&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;2014-08-14T13:41:51.054-0700 [conn9] insert stockbase-prod.content query: { ct: &quot;filing&quot;, formNumber: &quot;6-K&quot;, filerName: &quot;WOORI FINANCE HOLDINGS CO LTD&quot;, cik: &quot;0001264136&quot;, filerType: &quot;Filer&quot;, url: &quot;http://www.sec.gov/Archives/edgar/data/1264136/000119312514310069/0001193125-14-310069-index.htm&quot;, summary: &quot;&amp;lt;b&amp;gt;Filed:&amp;lt;/b&amp;gt; 2014-08-14 &amp;lt;b&amp;gt;AccNo:&amp;lt;/b&amp;gt; 0001193125-14-310069 &amp;lt;b&amp;gt;Size:&amp;lt;/b&amp;gt; 4 MB&quot;, accessionNumber: &quot;0001193125-14-310069&quot;, size: &quot;4&quot;, pubDate: new Date(1408046048000), score: 0, type: &quot;investor&quot;, _id: &quot;SKKrhjDxgiuGzewkt&quot; } ninserted:1 keyUpdates:0 numYields:0 locks(micros) w:12606 1324ms&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;2014-08-14T13:41:51.055-0700 [conn9] command stockbase-prod.$cmd command: insert { $msg: &quot;query not recording (too large)&quot; } keyUpdates:0 numYields:0 locks(micros) w:284 reslen:40 1334ms&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;2014-08-14T13:41:51.296-0700 [conn8] query stockbase-prod.feedParsing.jobs query: { $query: { type: { $in: [ &quot;parseFeed&quot; ] }, status: &quot;ready&quot;, runId: null, after: { $lte: new Date(1408048907796) }, retries: { $gt: 0 } }, orderby: { priority: 1, retryUntil: 1, after: 1 } } planSummary: COLLSCAN, COLLSCAN ntoreturn:1 ntoskip:0 keyUpdates:0 numYields: 9 locks(micros) r:101699 nreturned:0 reslen:20 107ms&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;2014-08-14T13:41:57.421-0700 [conn10] Assertion: 10000:out of memory BufBuilder&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;2014-08-14T13:41:57.439-0700 [conn8] Assertion: 10000:out of memory BufBuilder&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;2014-08-14T13:41:57.446-0700 [conn9] Assertion: 10000:out of memory BufBuilder&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;2014-08-14T13:41:57.736-0700 [conn6] SEVERE: out of memory, printing stack and exiting:&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;0x11e6111 0x11e5408 0x1239bfd 0x1643270 0x7f7b7e4043b9 0x7f7b7e404f7b 0x7f7b7e405014 0x7f7b7e3e3386 0x7f7b7e3e75a6 0x7f7b7e3dedb5 0x7f7b7e3df077 0x11e61c4 0x11e5408 0x1239bfd&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;0x1643270 0x7f7b7e4043b9 0x7f7b7e404f7b 0x7f7b7e405014 0x7f7b7e3e3386 0x7f7b7e3e75a6&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&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;Unable to collect backtrace symbols (errno:12 Cannot allocate memory)&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;2014-08-14T13:41:57.736-0700 [conn7] SEVERE: out of memory, printing stack and exiting:&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;0x11e6111 0x11e5408 0x1239bfd 0x1643270 0x7f7b7e4043b9 0x7f7b7e404f7b 0x7f7b7e405014 0x7f7b7e3e3386 0x7f7b7e3e75a6 0x7f7b7e3dedb5 0x7f7b7e3df077 0x11e61c4 0x11e5408 0x1239bfd&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&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;0x1643270 0x7f7b7e4043b9 0x7f7b7e404f7b 0x7f7b7e405014 0x7f7b7e3e3386 0x7f7b7e3e75a6&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;Unable to collect backtrace symbols (errno:12 Cannot allocate memory)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Would it be possible to dump to the log the cause of &lt;b&gt;every&lt;/b&gt; crash?&lt;/p&gt;</description>
                <environment></environment>
        <key id="152718">SERVER-14905</key>
            <summary>mongod crashes without any error message</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="ramon.fernandez@mongodb.com">Ramon Fernandez Marina</assignee>
                                    <reporter username="dandv">Dan Dascalescu</reporter>
                        <labels>
                    </labels>
                <created>Thu, 14 Aug 2014 20:52:35 +0000</created>
                <updated>Wed, 10 Dec 2014 23:10:12 +0000</updated>
                            <resolved>Sat, 16 Aug 2014 12:52:28 +0000</resolved>
                                    <version>2.6.4</version>
                                                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="692547" author="ramon.fernandez" created="Sat, 16 Aug 2014 12:51:42 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dandv&quot; class=&quot;user-hover&quot; rel=&quot;dandv&quot;&gt;dandv&lt;/a&gt;, it appears that the &lt;tt&gt;mongod&lt;/tt&gt; process is not crashing, but it&apos;s being killed by the OOM (Out Of Memory) killer. When that happens, it is not possible to write anything to the log.&lt;/p&gt;

&lt;p&gt;You can check wether this was the case by looking at your system logs; if you run&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;   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;grep -i kill /var/log/messages /var/log/syslog&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;you may see messages like:&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;   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;Out of memory: Kill process 1234 (mongod) ...&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;As for the second log, the &lt;tt&gt;Assertion&lt;/tt&gt; line indicates that &lt;tt&gt;mongod&lt;/tt&gt; found a critical problem, namely not being able to get more memory from the system, and shuts down as it can&apos;t continue to run.&lt;/p&gt;

&lt;p&gt;I&apos;d recommend you increase the RAM of the machine, as 1GB is a very low amount these days.&lt;/p&gt;</comment>
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