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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-41085] Mongo swallowed all the server memory until crashing</title>
                <link>https://jira.mongodb.org/browse/SERVER-41085</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We encountered a mongo memory burst this night until the mongo instance just crashed. The hosting server is running with 256 GB, by default WT cache should take 127GB max (50% - 1GB) but took more than 230GB before the crash&#160; (06:20:07 AM).&lt;/p&gt;

&lt;p&gt;Here is the last line of log including the crash stack trace:&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;   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;2019-05-10T06:20:07.453+0200 I - [conn3747849] Invariant failure _scope-&amp;gt;exec( &quot;$arr = [];&quot;, &quot;group reduce init 2&quot;, false, true, false , 2 * 1000) src/mongo/db/exec/group.cpp 113&lt;/span&gt;&lt;/pre&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;   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;2019-05-10T06:20:07.453+0200 I - [conn3747849] &lt;/span&gt;&lt;/pre&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&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;***aborting after invariant() failure&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&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;&amp;nbsp;&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;2019-05-10T06:20:07.463+0200 I COMMAND [conn3617951] command engagement_console_production.mtn_gha#tasks command: find { find: &quot;mtn_gha#tasks&quot;, filter: { queue: &quot;global&quot;, $where: CodeWScope( this.sla_expires_at&lt;/span&gt;&lt;/pre&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;&amp;amp;&amp;amp; (!this.last_prioritized_at || this.last_prioritized_at &amp;lt;= this.sla_expires_at), {}) }, sort: { priority: -1, created_at: 1 } } planSummary: IXSCAN { queue: 1, priority: -1, created_at: 1 } keysExamined:0 doc&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;sExamined:0 cursorExhausted:1 numYields:0 nreturned:0 reslen:131 locks:{ Global: { acquireCount: { r: 4 } }, Database: { acquireCount: { r: 2 } }, Collection: { acquireCount: { r: 2 } } } protocol:op_query 1771m&lt;/span&gt;&lt;/pre&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;s&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;2019-05-10T06:20:07.470+0200 I NETWORK [conn3770955] received client metadata from 10.10.11.17:27959 conn3770955: { driver: { name: &quot;mongo-ruby-driver&quot;, version: &quot;2.4.3&quot; }, os: { type: &quot;linux&quot;, name: &quot;linux-gnu&lt;/span&gt;&lt;/pre&gt;
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		&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;&quot;, architecture: &quot;x86_64&quot; }, platform: &quot;mongoid-5.2.1, 2.5.3, x86_64-linux, x86_64-pc-linux-gnu&quot; }&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;2019-05-10T06:20:07.473+0200 I NETWORK [conn3770957] received client metadata from 10.10.11.17:27962 conn3770957: { driver: { name: &quot;mongo-ruby-driver&quot;, version: &quot;2.4.3&quot; }, os: { type: &quot;linux&quot;, name: &quot;linux-gnu&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;&quot;, architecture: &quot;x86_64&quot; }, platform: &quot;mongoid-5.2.1, 2.5.3, x86_64-linux, x86_64-pc-linux-gnu&quot; }&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;2019-05-10T06:20:07.555+0200 F - [conn3747849] Got signal: 6 (Aborted).&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&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;0x55d929283171 0x55d929282389 0x55d92928286d 0x7fe6bee870e0 0x7fe6beb09fff 0x7fe6beb0b42a 0x55d9285241be 0x55d928899808 0x55d92889b0da 0x55d9288af5c3 0x55d928bb896a 0x55d928bb928b 0x55d9287b5bb1 0x55d9287729af &lt;/span&gt;&lt;/pre&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;   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;0x55d9287740aa 0x55d928d8f480 0x55d928990f52 0x55d928992f56 0x55d92859497d 0x55d9285952ad 0x55d9291e90d1 0x7fe6bee7d4a4 0x7fe6bebbfd0f&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;----- BEGIN BACKTRACE -----&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;{&quot;backtrace&quot;:[{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;157B171&quot;,&quot;s&quot;:&quot;_ZN5mongo15printStackTraceERSo&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;157A389&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;157A86D&quot;},{&quot;b&quot;:&quot;7FE6BEE76000&quot;,&quot;o&quot;:&quot;110E0&quot;},{&quot;b&quot;:&quot;7FE6BEAD7000&quot;,&quot;o&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;&quot;:&quot;32FFF&quot;,&quot;s&quot;:&quot;gsignal&quot;},{&quot;b&quot;:&quot;7FE6BEAD7000&quot;,&quot;o&quot;:&quot;3442A&quot;,&quot;s&quot;:&quot;abort&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;81C1BE&quot;,&quot;s&quot;:&quot;_ZN5mongo17invariantOKFailedEPKcRKNS_6StatusES1_j&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;B91808&quot;,&quot;s&quot;:&quot;_ZN5mongo10Gr&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;oupStage18initGroupScriptingEv&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;B930DA&quot;,&quot;s&quot;:&quot;_ZN5mongo10GroupStage6doWorkEPm&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;BA75C3&quot;,&quot;s&quot;:&quot;_ZN5mongo9PlanStage4workEPm&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;EB096A&quot;,&quot;s&quot;:&quot;&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;_ZN5mongo12PlanExecutor11getNextImplEPNS_11SnapshottedINS_7BSONObjEEEPNS_8RecordIdE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;EB128B&quot;,&quot;s&quot;:&quot;_ZN5mongo12PlanExecutor7getNextEPNS_7BSONObjEPNS_8RecordIdE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;&lt;/span&gt;&lt;/pre&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;   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;AADBB1&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;A6A9AF&quot;,&quot;s&quot;:&quot;_ZN5mongo7Command3runEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS3_21ReplyBuilderInterfaceE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;A6C0AA&quot;,&quot;s&quot;:&quot;_ZN5mongo7Command11ex&lt;/span&gt;&lt;/pre&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;ecCommandEPNS_16OperationContextEPS0_RKNS_3rpc16RequestInterfaceEPNS4_21ReplyBuilderInterfaceE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;1087480&quot;,&quot;s&quot;:&quot;_ZN5mongo11runCommandsEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS2_21ReplyBuilderInterfaceE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;C88F52&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;C8AF56&quot;,&quot;s&quot;:&quot;_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;88C97D&quot;,&quot;s&quot;:&quot;_ZN5mongo23ServiceEntryPointMongod12_sessionLoopERKSt10shared_ptrINS_9transport7SessionEE&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;88D2AD&quot;},{&quot;b&quot;:&quot;55D927D08000&quot;,&quot;o&quot;:&quot;14E10D1&quot;},{&quot;b&quot;:&quot;7FE6BEE76000&quot;,&quot;o&quot;:&quot;74A4&quot;},{&quot;b&quot;:&quot;7FE6BEAD7000&quot;,&quot;o&quot;:&quot;E8D0F&quot;,&quot;s&quot;:&quot;clone&quot;}],&quot;processInfo&quot;:{ &quot;mongodbVersion&quot; : &quot;3.4.16&quot;, &quot;gitVersion&quot; : &quot;0d6a9242c11b99ddadcfb6e86a850b6ba487530a&quot;, &quot;compiledModules&quot; : [], &quot;uname&quot; : { &quot;sysname&quot; : &quot;Linux&quot;, &quot;release&quot; : &quot;4.9.0-8-amd64&quot;, &quot;version&quot; : &quot;#1 SMP Debian 4.9.144-3 (2019-02-02)&quot;, &quot;machine&quot; : &quot;x86_64&quot; }, &quot;somap&quot; : [ { &quot;b&quot; : &quot;55D927D08000&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;36452F27FE7A41D0E57DDE38A17B3FAE9980B0BE&quot; }, { &quot;b&quot; : &quot;7FFCE2DCE000&quot;, &quot;path&quot; : &quot;linux-vdso.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;BEC7DDC38F3120E790C01B2A8A67C441C9B915CF&quot; }, { &quot;b&quot; : &quot;7FE6BFDB6000&quot;, &quot;path&quot; : &quot;/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;90275AC4DD8167F60BC7C599E0DBD63741D8F191&quot; }, { &quot;b&quot; : &quot;7FE6BF9BA000&quot;, &quot;path&quot; : &quot;/opt/dell/srvadmin/lib64/libcrypto.so.1.0.0&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;FD6376149047833953B0269E84DE181CA45DBE90&quot; }, { &quot;b&quot; : &quot;7FE6BF7B2000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/librt.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;86B35D63FACD97D22973E99EE9863F7714C4F53A&quot; }, { &quot;b&quot; : &quot;7FE6BF5AE000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/libdl.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;DB2CAEEEC37482A98AB1416D0A9AFE2944930DE9&quot; }, { &quot;b&quot; : &quot;7FE6BF2AA000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/libm.so.6&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;4E49714C557CE0472C798F39365CA10F9C0E1933&quot; }, { &quot;b&quot; : &quot;7FE6BF093000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/libgcc_s.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;51AD5FD294CD6C813BED40717347A53434B80B7A&quot; }, { &quot;b&quot; : &quot;7FE6BEE76000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/libpthread.so.0&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;16D609487BCC4ACBAC29A4EAA2DDA0D2F56211EC&quot; }, { &quot;b&quot; : &quot;7FE6BEAD7000&quot;, &quot;path&quot; : &quot;/lib/x86_64-linux-gnu/libc.so.6&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;775143E680FF0CD4CD51CCE1CE8CA216E635A1D6&quot; }, { &quot;b&quot; : &quot;7FE6C0017000&quot;, &quot;path&quot; : &quot;/lib64/ld-linux-x86-64.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;606DF9C355103E82140D513BC7A25A635591C153&quot; } ] }}&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;mongod(_ZN5mongo15printStackTraceERSo+0x41) [0x55d929283171]&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;mongod(+0x157A389) [0x55d929282389]&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;mongod(+0x157A86D) [0x55d92928286d]&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;libpthread.so.0(+0x110E0) [0x7fe6bee870e0]&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;libc.so.6(gsignal+0xCF) [0x7fe6beb09fff]&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;mongod(_ZN5mongo17invariantOKFailedEPKcRKNS_6StatusES1_j+0x0) [0x55d9285241be]&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;mongod(_ZN5mongo10GroupStage18initGroupScriptingEv+0x418) [0x55d928899808]&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;mongod(_ZN5mongo10GroupStage6doWorkEPm+0x14A) [0x55d92889b0da]&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;mongod(_ZN5mongo9PlanStage4workEPm+0x63) [0x55d9288af5c3]&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;mongod(_ZN5mongo12PlanExecutor11getNextImplEPNS_11SnapshottedINS_7BSONObjEEEPNS_8RecordIdE+0x19A) [0x55d928bb896a]&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;mongod(_ZN5mongo12PlanExecutor7getNextEPNS_7BSONObjEPNS_8RecordIdE+0x4B) [0x55d928bb928b]&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;mongod(+0xAADBB1) [0x55d9287b5bb1]&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;mongod(_ZN5mongo7Command3runEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS3_21ReplyBuilderInterfaceE+0x4FF) [0x55d9287729af]&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;mongod(_ZN5mongo7Command11execCommandEPNS_16OperationContextEPS0_RKNS_3rpc16RequestInterfaceEPNS4_21ReplyBuilderInterfaceE+0xF6A) [0x55d9287740aa]&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;mongod(_ZN5mongo11runCommandsEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS2_21ReplyBuilderInterfaceE+0x240) [0x55d928d8f480]&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;mongod(+0xC88F52) [0x55d928990f52]&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;mongod(_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x746) [0x55d928992f56]&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;mongod(_ZN5mongo23ServiceEntryPointMongod12_sessionLoopERKSt10shared_ptrINS_9transport7SessionEE+0x1FD) [0x55d92859497d]&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;mongod(+0x88D2AD) [0x55d9285952ad]&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;mongod(+0x14E10D1) [0x55d9291e90d1]&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;libpthread.so.0(+0x74A4) [0x7fe6bee7d4a4]&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;libc.so.6(clone+0x3F) [0x7fe6bebbfd0f]&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;----- END BACKTRACE -----&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;Last 5 days memory usage:&lt;br/&gt;
 &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/216519/216519_mongo_memory_usage.png&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Memory usage some hours before the crash:&lt;br/&gt;
 &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/216518/216518_Screenshot+from+2019-05-10+18-07-45.png&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Last 5 days operation counter:&lt;br/&gt;
 &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/216517/216517_mongo_operations_counter.png&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Operations counter before the crash:&lt;br/&gt;
 &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/216516/216516_Screenshot+from+2019-05-10+18-10-08.png&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;I&apos;ve prepared an archive with the last 5 days of diagnostic data, can you give me a portal link ?&lt;/p&gt;

&lt;p&gt;Mongo version: 3.4.16&lt;br/&gt;
 There is some similarity with this ticket: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37795&quot; title=&quot;WiredTiger again uses way more memory than instructed by cache limit in 3.6&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37795&quot;&gt;&lt;del&gt;SERVER-37795&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="763932">SERVER-41085</key>
            <summary>Mongo swallowed all the server memory until crashing</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="3">Duplicate</resolution>
                                        <assignee username="eric.sedor@mongodb.com">Eric Sedor</assignee>
                                    <reporter username="spuyet@gmail.com">S&#233;bastien Puyet</reporter>
                        <labels>
                    </labels>
                <created>Fri, 10 May 2019 16:18:50 +0000</created>
                <updated>Tue, 16 Nov 2021 16:55:15 +0000</updated>
                            <resolved>Thu, 11 Jul 2019 23:13:06 +0000</resolved>
                                    <version>3.4.16</version>
                                                    <component>Performance</component>
                    <component>Stability</component>
                    <component>WiredTiger</component>
                                        <votes>2</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="2322137" author="eric.sedor" created="Thu, 11 Jul 2019 23:13:06 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;, I am going to close this ticket as a duplicate of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34515&quot; title=&quot;Invariant failure _scope-&amp;gt;exec( &amp;quot;$arr = [];&amp;quot;, &amp;quot;group clean up&amp;quot;, false, true, false , 2 * 1000) &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34515&quot;&gt;&lt;del&gt;SERVER-34515&lt;/del&gt;&lt;/a&gt; as I believe that is the issue causing the crash you&apos;re seeing.&lt;/p&gt;

&lt;p&gt;By way of summary: To avoid this issue, I recommend upgrading to MongoDB 3.6 which contains the fix, or converting group commands to aggregation framework operations.&lt;/p&gt;</comment>
                            <comment id="2295078" author="eric.sedor" created="Mon, 24 Jun 2019 17:08:16 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;, I wanted to check in to see avoiding group has had an impact.&lt;/p&gt;</comment>
                            <comment id="2272719" author="eric.sedor" created="Wed, 5 Jun 2019 17:37:46 +0000"  >&lt;p&gt;Yes &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;, we do see the group command being used several times leading up to the crash at A below:&lt;/p&gt;

&lt;p&gt; &lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://jira.mongodb.org/secure/attachment/219153/219153_Screen+Shot+2019-06-05+at+10.31.37+AM.png&quot; width=&quot;100%&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;</comment>
                            <comment id="2270212" author="spuyet@gmail.com" created="Tue, 4 Jun 2019 12:26:25 +0000"  >&lt;p&gt;Hello Eric,&lt;/p&gt;

&lt;p&gt;Thanks for your time. It looks that we&apos;re not using group directly but always with the aggregation pipeline and the stack trace seems to confirm that:&lt;/p&gt;

&lt;p&gt;&lt;tt&gt;mongod(_ZN5mongo10GroupStage18initGroupScriptingEv+0x418) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x55d928899808&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;mongod(_ZN5mongo10GroupStage6doWorkEPm+0x14A) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x55d92889b0da&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;br/&gt;
&lt;tt&gt;mongod(_ZN5mongo9PlanStage4workEPm+0x63) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x55d9288af5c3&amp;#93;&lt;/span&gt;&lt;/tt&gt;&lt;/p&gt;

&lt;p&gt;Did you see any queries using group in the diagnostic data files ?&lt;/p&gt;</comment>
                            <comment id="2269762" author="eric.sedor" created="Mon, 3 Jun 2019 22:39:14 +0000"  >&lt;p&gt;Thanks for your patience, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=bigbourin%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;bigbourin@gmail.com&quot;&gt;bigbourin@gmail.com&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This looks like this could be a case of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34515&quot; title=&quot;Invariant failure _scope-&amp;gt;exec( &amp;quot;$arr = [];&amp;quot;, &amp;quot;group clean up&amp;quot;, false, true, false , 2 * 1000) &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34515&quot;&gt;&lt;del&gt;SERVER-34515&lt;/del&gt;&lt;/a&gt;, which was backported to MongoDB 3.6 but not 3.4.&lt;/p&gt;

&lt;p&gt;It&apos;s also worth noting that &lt;a href=&quot;https://docs.mongodb.com/manual/reference/method/db.collection.group/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;group&lt;/a&gt; is deprecated in MongoDB 3.4 in favor of the Aggregation Framework &lt;a href=&quot;https://docs.mongodb.com/manual/reference/operator/aggregation/group/#pipe._S_group&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;$group&lt;/a&gt; stage.&lt;/p&gt;

&lt;p&gt;Is upgrading to 3.6 or moving to $group an option for you?&lt;/p&gt;</comment>
                            <comment id="2262854" author="eric.sedor" created="Wed, 29 May 2019 00:05:37 +0000"  >&lt;p&gt;Sorry for any confusion, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=bigbourin%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;bigbourin@gmail.com&quot;&gt;bigbourin@gmail.com&lt;/a&gt;; we have begun analyzing the provided diagnostic data. Initially the memory seems associated with open cursors and in-memory sorts, both of which would use memory outside of the wiredTiger cache. We don&apos;t have more detail yet on whether we suspect a bug is involved. We appreciate your patience.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;, a feature request to cap all memory use by mongod has been discussed before, most recently in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14777&quot; title=&quot;Option to limit physical memory used by a MongoD process&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14777&quot;&gt;&lt;del&gt;SERVER-14777&lt;/del&gt;&lt;/a&gt;, so our intention is to determine if this crash results from a bug or not.&lt;/p&gt;</comment>
                            <comment id="2260550" author="bigbourin@gmail.com" created="Mon, 27 May 2019 07:21:21 +0000"  >&lt;p&gt;Hi, we saw the chart uploaded but no comment, is there an un-submitted message somewhere? &#9786;&lt;/p&gt;</comment>
                            <comment id="2251973" author="spuyet@gmail.com" created="Mon, 20 May 2019 08:22:09 +0000"  >&lt;p&gt;Hello Eric,&lt;/p&gt;

&lt;p&gt;I&apos;ve uploaded the diagnostic data on the portal. There is two issues here:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Mongo took the whole server RAM and MUST NOT if we don&apos;t allow it, I understand that for internal usage mongo needs a bit of RAM, but probably not 128GB (added to the 127GB for caching)&lt;/li&gt;
	&lt;li&gt;Mongo crashed and we had to restart the node manually&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;The second is most probably a consequence from the first bullet &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="2244823" author="eric.sedor" created="Mon, 13 May 2019 17:58:30 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=spuyet&quot; class=&quot;user-hover&quot; rel=&quot;spuyet&quot;&gt;spuyet&lt;/a&gt;; MongoDB will use memory outside of the wiredTiger cache but we will be happy to look and see if we suspect a bug is contributing to this memory use.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://10gen-httpsupload.s3.amazonaws.com/upload_forms/261bd3a9-4298-4805-8808-081b29eae551.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Here is a link&lt;/a&gt; to a private upload portal for this issue.&lt;/p&gt;

&lt;p&gt;Additional mongod log files preceding the stack trace may also help.&lt;/p&gt;
</comment>
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                            <attachment id="217379" name="Screen Shot 2019-05-20 at 4.49.10 PM.png" size="156306" author="eric.sedor@mongodb.com" created="Mon, 20 May 2019 23:50:39 +0000"/>
                            <attachment id="219153" name="Screen Shot 2019-06-05 at 10.31.37 AM.png" size="32896" author="eric.sedor@mongodb.com" created="Wed, 5 Jun 2019 17:32:21 +0000"/>
                            <attachment id="216518" name="Screenshot from 2019-05-10 18-07-45.png" size="22276" author="spuyet" created="Fri, 10 May 2019 16:08:03 +0000"/>
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