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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>
    </build-info>


<item>
            <title>[SERVER-34833] Deadlock between the logical sessions&apos; transaction reaper and MMAP V1 durability thread</title>
                <link>https://jira.mongodb.org/browse/SERVER-34833</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The logical sessions&apos; transaction reaper for sharded systems performs &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6b23bd026bb74b1e44d93951662070076e99b361/src/mongo/db/transaction_reaper.cpp#L230&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;refresh&lt;/a&gt; of the sharding catalog cache while &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6b23bd026bb74b1e44d93951662070076e99b361/src/mongo/db/transaction_reaper.cpp#L131&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;holding collection lock&lt;/a&gt; on &lt;tt&gt;config.system.sessions&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;This refresh internally may end up having to read from &lt;tt&gt;config.cache.chunks.config.system.sessions&lt;/tt&gt; in order to pick-up the locally cached routing info for the sharded sessions collection. If in the mean time the MMAP V1 durability thread runs, this would lead to deadlock.&lt;/p&gt;

&lt;p&gt;This is evident in the wait states of these three threads:&lt;/p&gt;

&lt;p&gt;Transaction reaper thread:&lt;/p&gt;
&lt;p/&gt;
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					&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;Thread 17: &quot;conn1&quot; (Thread 0x7f60c9684700 (LWP 3024))&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;&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;#0  0x00007f60c6c5a68c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0&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;&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;#1  0x00007f60cbaf586c in __gthread_cond_wait (__mutex=&amp;lt;optimized out&amp;gt;, __cond=__cond@entry=0x7f60d45c2c38) at /data/mci/f4077f70c6c50d9bf86e67716e864062/toolchain-builder/build-gcc-v2.sh-IiX/x86_64-mongodb-linux/libstdc++-v3/include/x86_64-mongodb-linu&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;&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;x/bits/gthr-default.h:864&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;&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;#2  std::condition_variable::wait (this=this@entry=0x7f60d45c2c38, __lock=...) at ../../../../../gcc-5.4.0/libstdc++-v3/src/c++11/condition_variable.cc:53&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;&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;#3  0x00007f60cb86e3ab in mongo::OperationContext::&amp;lt;lambda()&amp;gt;::operator() (__closure=&amp;lt;optimized out&amp;gt;) at src/mongo/db/operation_context.cpp:322&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;&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;#4  mongo::OperationContext::waitForConditionOrInterruptNoAssertUntil (this=0x7f60d222ea00, cv=..., m=..., deadline=...) at src/mongo/db/operation_context.cpp:326&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;&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;#5  0x00007f60cb86e540 in mongo::OperationContext::waitForConditionOrInterruptNoAssert (this=&amp;lt;optimized out&amp;gt;, cv=..., m=...) at src/mongo/db/operation_context.cpp:249&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;&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;#6  0x00007f60cb86e60d in mongo::OperationContext::waitForConditionOrInterrupt (this=this@entry=0x7f60d222ea00, cv=..., m=...) at src/mongo/db/operation_context.cpp:244&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;&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;#7  0x00007f60caa22a9e in mongo::OperationContext::waitForConditionOrInterrupt&amp;lt;mongo::Notification&amp;lt;mongo::Status&amp;gt;::get(mongo::OperationContext*)::{lambda()#1}&amp;gt;(std::condition_variable&amp;amp;, std::unique_lock&amp;lt;std::mutex&amp;gt;&amp;amp;, mongo::Notification&amp;lt;mongo::Status&amp;gt;::&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;get(mongo::OperationContext*)::{lambda()#1}) (pred=..., m=..., cv=..., this=0x7f60d222ea00) at src/mongo/db/operation_context.h:199&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;&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;#8  mongo::Notification&amp;lt;mongo::Status&amp;gt;::get (opCtx=0x7f60d222ea00, this=0x7f60d45c2c10) at src/mongo/util/concurrency/notification.h:71&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;#9  mongo::CatalogCache::&amp;lt;lambda()&amp;gt;::operator() (__closure=&amp;lt;optimized out&amp;gt;) at src/mongo/s/catalog_cache.cpp:172&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;&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;#10 mongo::CatalogCache::getCollectionRoutingInfo (this=this@entry=0x7f60cfdf0680, opCtx=opCtx@entry=0x7f60d222ea00, nss=...) at src/mongo/s/catalog_cache.cpp:176&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;&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;#11 0x00007f60caa23790 in mongo::CatalogCache::getCollectionRoutingInfo (this=0x7f60cfdf0680, opCtx=opCtx@entry=0x7f60d222ea00, ns=...) at src/mongo/s/catalog_cache.cpp:192&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;&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;#12 0x00007f60ca2ff59f in mongo::(anonymous namespace)::ShardedHandler::handleLsid (lsid=..., this=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;) at src/mongo/db/transaction_reaper.cpp:207&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;&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;#13 mongo::(anonymous namespace)::TransactionReaperImpl&amp;lt;mongo::(anonymous namespace)::ShardedHandler&amp;gt;::reap (this=&amp;lt;optimized out&amp;gt;, opCtx=&amp;lt;optimized out&amp;gt;) at src/mongo/db/transaction_reaper.cpp:138&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;#14 0x00007f60cb2a936b in mongo::LogicalSessionCacheImpl::_reap (this=0x7f60ce91c680, client=&amp;lt;optimized out&amp;gt;) at src/mongo/db/logical_session_cache_impl.cpp:192&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;&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;#15 0x00007f60cb2a9480 in mongo::LogicalSessionCacheImpl::reapNow (this=&amp;lt;optimized out&amp;gt;, client=&amp;lt;optimized out&amp;gt;) at src/mongo/db/logical_session_cache_impl.cpp:147&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;&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;#16 0x00007f60ca5228ae in mongo::(anonymous namespace)::ReapLogicalSessionCacheNowCommand::run (this=this@entry=0x7f60ce917e00, opCtx=opCtx@entry=0x7f60d222ea00, db=..., cmdObj=unowned BSONObj 107 bytes @ 0x7f60d223d29d = {...}, result=...) at src/mongo/db/commands/reap_logical_session_cache_now.cpp:77&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;&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;#17 0x00007f60cb383066 in mongo::BasicCommand::enhancedRun (this=0x7f60ce917e00, opCtx=0x7f60d222ea00, request=..., result=...) at src/mongo/db/commands.cpp:398&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;&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;#18 0x00007f60cb37da9f in mongo::Command::publicRun (this=0x7f60ce917e00, opCtx=0x7f60d222ea00, request=..., result=...) at src/mongo/db/commands.cpp:336&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;&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;#19 0x00007f60ca1fd863 in mongo::(anonymous namespace)::runCommandImpl (startOperationTime=..., replyBuilder=0x7f60ce7a87e0, request=..., command=0x7f60ce917e00, opCtx=0x7f60d222ea00) at src/mongo/db/service_entry_point_mongod.cpp:448&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;&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;#20 mongo::(anonymous namespace)::execCommandDatabase (opCtx=&amp;lt;optimized out&amp;gt;, command=command@entry=0x7f60ce917e00, request=..., replyBuilder=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;) at src/mongo/db/service_entry_point_mongod.cpp:713&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;&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;#21 0x00007f60ca1ff926 in mongo::(anonymous namespace)::&amp;lt;lambda()&amp;gt;::operator()(void) const (__closure=__closure@entry=0x7f60c9682470) at src/mongo/db/service_entry_point_mongod.cpp:829&lt;/span&gt;&lt;/pre&gt;
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					&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;#22 0x00007f60ca2006a7 in mongo::(anonymous namespace)::runCommands (message=..., opCtx=0x7f60d222ea00) at src/mongo/db/service_entry_point_mongod.cpp:836&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;Catalog cache loader thread:&lt;/p&gt;
&lt;p/&gt;
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					&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;Thread 75: &quot;ConfigServerCatalogCacheLoader-0&quot; (Thread 0x7f60845b1700 (LWP 3486))&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;#0  0x00007f60c6c5aa5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0&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;#1  0x00007f60cb40e9b8 in __gthread_cond_timedwait (__abs_timeout=0x7f60845ac3c0, __mutex=&amp;lt;optimized out&amp;gt;, __cond=0x7f60d59759d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/x86_64-mongodb-linux/bits/gthr-default.h:871&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;#2  std::condition_variable::__wait_until_impl&amp;lt;std::chrono::duration&amp;lt;long, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt; &amp;gt; (__atime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60d59759d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:165&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;#3  std::condition_variable::wait_until&amp;lt;std::chrono::duration&amp;lt;long, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt; &amp;gt; (__atime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60d59759d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:105&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;#4  std::condition_variable::wait_until&amp;lt;std::chrono::_V2::system_clock, std::chrono::duration&amp;lt;long int, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt;, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::&amp;lt;lambda()&amp;gt; &amp;gt; (__p=..., __atime=..., __lock=&amp;lt;synthetic&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;pointer&amp;gt;..., this=0x7f60d59759d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:128&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&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;#5  std::condition_variable::wait_for&amp;lt;long int, std::ratio&amp;lt;1l, 1000000000l&amp;gt;, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::&amp;lt;lambda()&amp;gt; &amp;gt; (__p=..., __rtime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60d59759d8) at /opt/mongodbtoolchain&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;/v2/include/c++/5.4.0/condition_variable:144&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;#6  mongo::CondVarLockGrantNotification::wait (this=this@entry=0x7f60d59759a8, timeout=..., timeout@entry=...) at src/mongo/db/concurrency/lock_state.cpp:226&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;#7  0x00007f60cb412e7e in mongo::LockerImpl&amp;lt;true&amp;gt;::lockComplete (this=0x7f60d5975400, resId=..., mode=&amp;lt;optimized out&amp;gt;, timeout=..., checkDeadlock=false) at src/mongo/db/concurrency/lock_state.cpp:747&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;#8  0x00007f60cb410b5b in mongo::LockerImpl&amp;lt;true&amp;gt;::lockMMAPV1Flush (this=0x7f60d5975400) at src/mongo/db/concurrency/lock_state.cpp:349&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;#9  0x00007f60cb402380 in mongo::Lock::DBLock::DBLock (this=0x7f60845ac810, opCtx=0x7f60d6bf8cc0, db=&quot;config&quot;, mode=&amp;lt;optimized out&amp;gt;) at src/mongo/db/concurrency/d_concurrency.cpp:201&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;#10 0x00007f60ca2527df in mongo::FindCmd::run (this=this@entry=0x7f60cc844540 &amp;lt;mongo::findCmd&amp;gt;, opCtx=opCtx@entry=0x7f60d6bf8cc0, dbname=..., cmdObj=unowned BSONObj 121 bytes @ 0x7f60d5981b1d = {...}, result=...) at src/mongo/db/commands/find_cmd.cpp:26&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;2&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;#11 0x00007f60cb383066 in mongo::BasicCommand::enhancedRun (this=0x7f60cc844540 &amp;lt;mongo::findCmd&amp;gt;, opCtx=0x7f60d6bf8cc0, request=..., result=...) at src/mongo/db/commands.cpp:398&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;#12 0x00007f60cb37da9f in mongo::Command::publicRun (this=0x7f60cc844540 &amp;lt;mongo::findCmd&amp;gt;, opCtx=0x7f60d6bf8cc0, request=..., result=...) at src/mongo/db/commands.cpp:336&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;#13 0x00007f60ca1fd863 in mongo::(anonymous namespace)::runCommandImpl (startOperationTime=..., replyBuilder=0x7f60d5962e60, request=..., command=0x7f60cc844540 &amp;lt;mongo::findCmd&amp;gt;, opCtx=0x7f60d6bf8cc0) at src/mongo/db/service_entry_point_mongod.cpp:448&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;#14 mongo::(anonymous namespace)::execCommandDatabase (opCtx=&amp;lt;optimized out&amp;gt;, command=command@entry=0x7f60cc844540 &amp;lt;mongo::findCmd&amp;gt;, request=..., replyBuilder=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;) at src/mongo/db/service_entry_poi&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;nt_mongod.cpp:713&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;#15 0x00007f60ca1ff926 in mongo::(anonymous namespace)::&amp;lt;lambda()&amp;gt;::operator()(void) const (__closure=__closure@entry=0x7f60845ade30) at src/mongo/db/service_entry_point_mongod.cpp:829&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;#16 0x00007f60ca2006a7 in mongo::(anonymous namespace)::runCommands (message=..., opCtx=0x7f60d6bf8cc0) at src/mongo/db/service_entry_point_mongod.cpp:836&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;#17 mongo::ServiceEntryPointMongod::handleRequest (this=&amp;lt;optimized out&amp;gt;, opCtx=0x7f60d6bf8cc0, m=...) at src/mongo/db/service_entry_point_mongod.cpp:1090&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;#18 0x00007f60cb36d7d4 in mongo::(anonymous namespace)::loopbackBuildResponse (opCtx=0x7f60d6bf8cc0, lastError=0x7f60845af2e8, toSend=...) at src/mongo/db/dbdirectclient.cpp:139&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;#19 0x00007f60cb36de54 in mongo::DBDirectClient::call (this=&amp;lt;optimized out&amp;gt;, toSend=..., response=..., assertOk=&amp;lt;optimized out&amp;gt;, actualServer=&amp;lt;optimized out&amp;gt;) at src/mongo/db/dbdirectclient.cpp:144&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;#20 0x00007f60cb448676 in mongo::DBClientCursor::init (this=this@entry=0x7f60d5987f00) at src/mongo/client/dbclientcursor.cpp:159&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;#21 0x00007f60cb428d26 in mongo::DBClientBase::query (this=0x7f60845af270, ns=..., query=..., nToReturn=1, nToSkip=0, fieldsToReturn=0x0, queryOptions=0, batchSize=0) at src/mongo/client/dbclient.cpp:1090&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;#22 0x00007f60cb36df50 in mongo::DBDirectClient::query (this=this@entry=0x7f60845af270, ns=..., query=..., nToReturn=nToReturn@entry=1, nToSkip=nToSkip@entry=0, fieldsToReturn=0x0, queryOptions=0, batchSize=0) at src/mongo/db/dbdirectclient.cpp:164&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;&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;#23 0x00007f60ca828c7f in mongo::shardmetadatautil::readShardCollectionsEntry (opCtx=opCtx@entry=0x7f60d6bf8cc0, nss=...) at src/mongo/db/s/shard_metadata_util.cpp:150&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&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;#24 0x00007f60ca8327ef in mongo::(anonymous namespace)::getPersistedMetadataSinceVersion (opCtx=opCtx@entry=0x7f60d6bf8cc0, nss=..., version=..., okToReadWhileRefreshing=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;, this=&amp;lt;optimized out&amp;gt;) at src/mongo/db/s/shar&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;d_server_catalog_cache_loader.cpp:180&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;#25 0x00007f60ca83523d in mongo::(anonymous namespace)::getIncompletePersistedMetadataSinceVersion (version=..., nss=..., opCtx=0x7f60d6bf8cc0) at src/mongo/db/s/shard_server_catalog_cache_loader.cpp:210&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;#26 mongo::ShardServerCatalogCacheLoader::_getLoaderMetadata (this=&amp;lt;optimized out&amp;gt;, opCtx=opCtx@entry=0x7f60d6bf8cc0, nss=..., catalogCacheSinceVersion=..., term=&amp;lt;optimized out&amp;gt;) at src/mongo/db/s/shard_server_catalog_cache_loader.cpp:538&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;#27 0x00007f60ca837a4c in mongo::ShardServerCatalogCacheLoader::&amp;lt;lambda(mongo::OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;)&amp;gt;::operator()(mongo::OperationContext *, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoad&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;er::CollectionAndChangedChunks&amp;gt;) const (__closure=0x7f60d5959960, opCtx=0x7f60d6bf8cc0, swCollectionAndChangedChunks=StatusWith(OK, {&amp;lt;boost::optional_detail::optional_base&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;&amp;gt; = {&amp;lt;boost::optional_detai&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;l::optional_tag&amp;gt; = {&amp;lt;No data fields&amp;gt;}, m_initialized = true, m_storage = {dummy_ = {data = &quot;Y\341\020R&amp;lt;g.\341E\347~&#1655;#9\265\b\325\300\326`\177\000\000\000\325\300\326`\177\000\000\214)\305\313`\177&quot;, &apos;\000&apos; &amp;lt;repeats 11 times&amp;gt;, &quot;\377Z\204`\177\000\000\300&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;&#1048;\325`\177\000\000h&#1112;\325`\177\000\000h&#1112;\325`\177\000&quot;, aligner_ = {&amp;lt;No data fields&amp;gt;}}}}, &amp;lt;No data fields&amp;gt;}), this=0x7f60d2249200, this=0x7f60d2249200, this=0x7f60d2249200, this=0x7f60d2249200) at src/mongo/db/s/shard_server_catalog_cache_loader.cpp:506&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;#28 0x00007f60ca838064 in std::_Function_handler&amp;lt;void(mongo::OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;), mongo::ShardServerCatalogCacheLoader::_schedulePrimaryGetChunksSince(mongo::OperationContext*, con&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;st mongo::NamespaceString&amp;amp;, const mongo::ChunkVersion&amp;amp;, long long int, std::function&amp;lt;void(mongo::OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;)&amp;gt;, std::shared_ptr&amp;lt;mongo::Notification&amp;lt;void&amp;gt; &amp;gt;)::&amp;lt;lambda(mongo::&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;OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;)&amp;gt; &amp;gt;::_M_invoke(const std::_Any_data &amp;amp;, &amp;lt;unknown type in /data/mci/3e56be335ba1cc85db897351175a89ed/src/mongod.debug, CU 0x104e001c, DIE 0x105a9508&amp;gt;, &amp;lt;unknown typ&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;e in /data/mci/3e56be335ba1cc85db897351175a89ed/src/mongod.debug, CU 0x104e001c, DIE 0x105a950d&amp;gt;) (__functor=..., __args#0=&amp;lt;optimized out&amp;gt;, __args#1=&amp;lt;optimized out&amp;gt;) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/functional:1871&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;#29 0x00007f60caa2766e in std::function&amp;lt;void (mongo::OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChunks&amp;gt;)&amp;gt;::operator()(mongo::OperationContext*, mongo::StatusWith&amp;lt;mongo::CatalogCacheLoader::CollectionAndChangedChu&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;nks&amp;gt;) const (__args#1=&amp;lt;error reading variable: access outside bounds of object referenced via synthetic pointer&amp;gt;, __args#0=0x7f60d6bf8cc0, this=0x7f60d598a7d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/functional:2267&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;#30 mongo::ConfigServerCatalogCacheLoader::&amp;lt;lambda()&amp;gt;::operator()(void) const (__closure=0x7f60d598a780) at src/mongo/s/config_server_catalog_cache_loader.cpp:172&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;#31 0x00007f60caa31d6c in std::function&amp;lt;void ()&amp;gt;::operator()() const (this=0x7f60845b05b0) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/functional:2267&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;#32 mongo::ThreadPool::_doOneTask (this=this@entry=0x7f60d5a65808, lk=lk@entry=0x7f60845b0690) at src/mongo/util/concurrency/thread_pool.cpp:347&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;#33 0x00007f60caa3226c in mongo::ThreadPool::_consumeTasks (this=this@entry=0x7f60d5a65808) at src/mongo/util/concurrency/thread_pool.cpp:299&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;#34 0x00007f60caa32c56 in mongo::ThreadPool::_workerThreadBody (pool=0x7f60d5a65808, threadName=...) at src/mongo/util/concurrency/thread_pool.cpp:247&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;#35 0x00007f60cbaf88e0 in std::execute_native_thread_routine (__p=&amp;lt;optimized out&amp;gt;) at ../../../../../gcc-5.4.0/libstdc++-v3/src/c++11/thread.cc:84&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;   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;#36 0x00007f60c6c56aa1 in start_thread () from /lib64/libpthread.so.0&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;MMAP V1 durability thread:&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;Thread 6: &quot;durability&quot; (Thread 0x7f60be40e700 (LWP 3010))&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;#0  0x00007f60c6c5aa5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0&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;#1  0x00007f60cb40e9b8 in __gthread_cond_timedwait (__abs_timeout=0x7f60be40c420, __mutex=&amp;lt;optimized out&amp;gt;, __cond=0x7f60ce7f69d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/x86_64-mongodb-linux/bits/gthr-default.h:871&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;#2  std::condition_variable::__wait_until_impl&amp;lt;std::chrono::duration&amp;lt;long, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt; &amp;gt; (__atime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60ce7f69d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:165&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;#3  std::condition_variable::wait_until&amp;lt;std::chrono::duration&amp;lt;long, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt; &amp;gt; (__atime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60ce7f69d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:105&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;#4  std::condition_variable::wait_until&amp;lt;std::chrono::_V2::system_clock, std::chrono::duration&amp;lt;long int, std::ratio&amp;lt;1l, 1000000000l&amp;gt; &amp;gt;, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::&amp;lt;lambda()&amp;gt; &amp;gt; (__p=..., __atime=..., __lock=&amp;lt;synthetic&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;pointer&amp;gt;..., this=0x7f60ce7f69d8) at /opt/mongodbtoolchain/v2/include/c++/5.4.0/condition_variable:128&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;#5  std::condition_variable::wait_for&amp;lt;long int, std::ratio&amp;lt;1l, 1000000000l&amp;gt;, mongo::CondVarLockGrantNotification::wait(mongo::Milliseconds)::&amp;lt;lambda()&amp;gt; &amp;gt; (__p=..., __rtime=..., __lock=&amp;lt;synthetic pointer&amp;gt;..., this=0x7f60ce7f69d8) at /opt/mongodbtoolchain&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;/v2/include/c++/5.4.0/condition_variable:144&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;#6  mongo::CondVarLockGrantNotification::wait (this=this@entry=0x7f60ce7f69a8, timeout=..., timeout@entry=...) at src/mongo/db/concurrency/lock_state.cpp:226&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;#7  0x00007f60cb412e7e in mongo::LockerImpl&amp;lt;true&amp;gt;::lockComplete (this=0x7f60ce7f6400, resId=..., mode=&amp;lt;optimized out&amp;gt;, timeout=..., checkDeadlock=false) at src/mongo/db/concurrency/lock_state.cpp:747&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;#8  0x00007f60cb40e67e in mongo::AutoAcquireFlushLockForMMAPV1Commit::upgradeFlushLockToExclusive (this=this@entry=0x7f60be40c7d0) at src/mongo/db/concurrency/lock_state.cpp:900&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;#9  0x00007f60ca6bb869 in mongo::dur::durThread (cs=0x7f60ce68e3c0, serverStartMs=1507921995999) at src/mongo/db/storage/mmap_v1/dur.cpp:831&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;#10 0x00007f60cbaf88e0 in std::execute_native_thread_routine (__p=&amp;lt;optimized out&amp;gt;) at ../../../../../gcc-5.4.0/libstdc++-v3/src/c++11/thread.cc:84&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;#11 0x00007f60c6c56aa1 in start_thread () from /lib64/libpthread.so.0&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="538813">SERVER-34833</key>
            <summary>Deadlock between the logical sessions&apos; transaction reaper and MMAP V1 durability thread</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="13201">Fixed</resolution>
                                        <assignee username="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Thu, 3 May 2018 21:18:29 +0000</created>
                <updated>Sun, 29 Oct 2023 22:32:05 +0000</updated>
                            <resolved>Wed, 16 May 2018 19:07:17 +0000</resolved>
                                    <version>3.6.4</version>
                                    <fixVersion>3.6.6</fixVersion>
                    <fixVersion>4.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1908253" author="xgen-internal-githook" created="Fri, 1 Jun 2018 17:12:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;jsmulrow&apos;, &apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34833&quot; title=&quot;Deadlock between the logical sessions&amp;#39; transaction reaper and MMAP V1 durability thread&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34833&quot;&gt;&lt;del&gt;SERVER-34833&lt;/del&gt;&lt;/a&gt; Sessions transaction reaper should refresh routing info before locking config.transactions&lt;/p&gt;

&lt;p&gt;(cherry picked from commit a2774d00b637d178ed593abd212b0f8e7ee38669)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6ea18d1ce908c346438776a69a5288e36a0c1a9c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6ea18d1ce908c346438776a69a5288e36a0c1a9c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1893234" author="xgen-internal-githook" created="Wed, 16 May 2018 19:06:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;, &apos;name&apos;: &apos;Jack Mulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34833&quot; title=&quot;Deadlock between the logical sessions&amp;#39; transaction reaper and MMAP V1 durability thread&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34833&quot;&gt;&lt;del&gt;SERVER-34833&lt;/del&gt;&lt;/a&gt; Sessions transaction reaper should refresh routing info before locking config.transactions&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a2774d00b637d178ed593abd212b0f8e7ee38669&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a2774d00b637d178ed593abd212b0f8e7ee38669&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1882744" author="kaloian.manassiev" created="Fri, 4 May 2018 11:16:28 +0000"  >&lt;p&gt;Yes, this is the logical sessions transaction reaper, which is the component that purges the &lt;tt&gt;config.transactions&lt;/tt&gt; collection based on expiring sessions.&lt;/p&gt;</comment>
                            <comment id="1882458" author="spencer" created="Thu, 3 May 2018 22:47:53 +0000"  >&lt;p&gt;huh, why would I mean retryable writes?&#160; The ticket description says the &apos;transaction reaper&apos;...&lt;/p&gt;

&lt;p&gt;Is this really about a sessions reaper, not a transactions reaper?&lt;/p&gt;</comment>
                            <comment id="1882447" author="kaloian.manassiev" created="Thu, 3 May 2018 22:33:10 +0000"  >&lt;p&gt;You mean retryable writes because this is 3.6. We could do that, but the fundamental problem is still that the reaper does network and (unintended) local I/O while holding a lock, which is an architectural flaw we need to fix.&lt;/p&gt;</comment>
                            <comment id="1882426" author="spencer" created="Thu, 3 May 2018 22:13:27 +0000"  >&lt;p&gt;Since transactions aren&apos;t supported on MMAPv1, presumably we could just not run the reaper at all on MMAPv1?&lt;/p&gt;</comment>
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