2019-10-31T20:05:50.378+0000 I ASIO     [NetworkInterfaceASIO-TaskExecutorPool-9-0] Dropping all pooled connections to <SHARD9_SECONDARY1>:27017 due to failed operation on a connection
2019-10-31T20:05:50.380+0000 I -        [NetworkInterfaceASIO-TaskExecutorPool-9-0] Assertion: 13548:BufBuilder attempted to grow() to 1751919127 bytes, past the 64MB limit. src/mongo/bson/util/builder.h 326
2019-10-31T20:05:50.381+0000 F EXECUTOR [NetworkInterfaceASIO-TaskExecutorPool-9-0] Exception escaped task in network interface thread pool
2019-10-31T20:05:50.381+0000 F -        [NetworkInterfaceASIO-TaskExecutorPool-9-0] terminate() called. An exception is active; attempting to gather more information
2019-10-31T20:05:50.412+0000 F -        [NetworkInterfaceASIO-TaskExecutorPool-9-0] DBException::toString(): 13548 BufBuilder attempted to grow() to 1751919127 bytes, past the 64MB limit.
Actual exception type: mongo::MsgAssertionException
 0x56266821cda1 0x56266821c7a5 0x5626685ec6d6 0x5626685ec721 0x562667f6d789 0x562667f6e32e 0x562667f75596 0x562667f75ded 0x562667f7662e 0x562667f52331 0x562667f530b1 0x562667f3c767 0x562667f3d43e 0x562667f42b99 
0x562667f3f4c8 0x562667f6a9c4 0x562667f5c4e4 0x562667f5a3d6 0x562667f5a62e 0x562667f5a834 0x562667f326dc 0x562667f352f8 0x562667f35942 0x5626682fa0d4 0x5626682fa2d1 0x562667f4c339 0x562668655f40 0x7f7b12d11de5 0
x7f7b12a3bbad
----- BEGIN BACKTRACE -----
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terfaceThreadPool8scheduleESt8functionIFvvEE"},{"b":"562667652000","o":"923596","s":"_ZN5mongo8executor22ThreadPoolTaskExecutor23scheduleIntoPool_inlockEPNSt7__cxx114listISt10shared_ptrINS1_13CallbackStateEESaIS
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ackStateEESaIS6_EEERKSt14_List_iteratorIS6_ESt11unique_lockISt5mutexE"},{"b":"562667652000","o":"92462E"},{"b":"562667652000","o":"900331"},{"b":"562667652000","o":"9010B1"},{"b":"562667652000","o":"8EA767","s":
"_ZN5mongo8executor14ConnectionPool12SpecificPool14processFailureERKNS_6StatusESt11unique_lockISt5mutexE"},{"b":"562667652000","o":"8EB43E"},{"b":"562667652000","o":"8F0B99"},{"b":"562667652000","o":"8ED4C8"},{"
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l14strand_service8dispatchINS0_7binder2IRSt8functionIFvSt10error_codemEES5_mEEEEvRPNS1_11strand_implERT_"},{"b":"562667652000","o":"8E32F8","s":"_ZN4asio6detail14strand_service8dispatchINS0_17rewrapped_handlerIN
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 mongos(_ZN5mongo15printStackTraceERSo+0x41) [0x56266821cda1]
 mongos(+0xBCA7A5) [0x56266821c7a5]
 mongos(_ZN10__cxxabiv111__terminateEPFvvE+0x6) [0x5626685ec6d6]
 mongos(+0xF9A721) [0x5626685ec721]
 mongos(_ZN5mongo8executor26NetworkInterfaceThreadPool12consumeTasksESt11unique_lockISt5mutexE+0x349) [0x562667f6d789]
 mongos(_ZN5mongo8executor26NetworkInterfaceThreadPool8scheduleESt8functionIFvvEE+0x14E) [0x562667f6e32e]
 mongos(_ZN5mongo8executor22ThreadPoolTaskExecutor23scheduleIntoPool_inlockEPNSt7__cxx114listISt10shared_ptrINS1_13CallbackStateEESaIS6_EEERKSt14_List_iteratorIS6_ESD_St11unique_lockISt5mutexE+0x226) [0x562667f75596]
 mongos(_ZN5mongo8executor22ThreadPoolTaskExecutor23scheduleIntoPool_inlockEPNSt7__cxx114listISt10shared_ptrINS1_13CallbackStateEESaIS6_EEERKSt14_List_iteratorIS6_ESt11unique_lockISt5mutexE+0x4D) [0x562667f75ded]
 mongos(+0x92462E) [0x562667f7662e]
 mongos(+0x900331) [0x562667f52331]
 mongos(+0x9010B1) [0x562667f530b1]
 mongos(_ZN5mongo8executor14ConnectionPool12SpecificPool14processFailureERKNS_6StatusESt11unique_lockISt5mutexE+0x357) [0x562667f3c767]
 mongos(+0x8EB43E) [0x562667f3d43e]
 mongos(+0x8F0B99) [0x562667f42b99]
 mongos(+0x8ED4C8) [0x562667f3f4c8]
 mongos(_ZN5mongo8executor20NetworkInterfaceASIO7AsyncOp6finishEONS0_21RemoteCommandResponseE+0x1D4) [0x562667f6a9c4]
 mongos(_ZN5mongo8executor20NetworkInterfaceASIO18_completeOperationEPNS1_7AsyncOpENS0_21RemoteCommandResponseE+0x4E4) [0x562667f5c4e4]
 mongos(+0x9083D6) [0x562667f5a3d6]
 mongos(+0x90862E) [0x562667f5a62e]
 mongos(+0x908834) [0x562667f5a834]
 mongos(_ZN4asio6detail14strand_service8dispatchINS0_7binder2IRSt8functionIFvSt10error_codemEES5_mEEEEvRPNS1_11strand_implERT_+0x8C) [0x562667f326dc]
 mongos(_ZN4asio6detail14strand_service8dispatchINS0_17rewrapped_handlerINS0_7binder2INS0_7read_opINS_19basic_stream_socketINS_2ip3tcpENS_21stream_socket_serviceIS8_EEEENS_17mutable_buffers_1ENS0_14transfer_all_tENS0_15wrapped_handlerINS_10io_service6strandESt8functionIFvSt10error_codemEENS0_26is_continuation_if_runningEEEEESI_mEESK_EEEEvRPNS1_11strand_implERT_+0x6D8) [0x562667f352f8]
 mongos(_ZN4asio6detail23reactive_socket_recv_opINS_17mutable_buffers_1ENS0_7read_opINS_19basic_stream_socketINS_2ip3tcpENS_21stream_socket_serviceIS6_EEEES2_NS0_14transfer_all_tENS0_15wrapped_handlerINS_10io_service6strandESt8functionIFvSt10error_codemEENS0_26is_continuation_if_runningEEEEEE11do_completeEPvPNS0_19scheduler_operationERKSF_m+0x202) [0x562667f35942]
 mongos(_ZN4asio6detail9scheduler10do_run_oneERNS0_11scoped_lockINS0_11posix_mutexEEERNS0_21scheduler_thread_infoERKSt10error_code+0x324) [0x5626682fa0d4]
 mongos(_ZN4asio6detail9scheduler3runERSt10error_code+0xD1) [0x5626682fa2d1]
 mongos(+0x8FA339) [0x562667f4c339]
 mongos(+0x1003F40) [0x562668655f40]
 libpthread.so.0(+0x7DE5) [0x7f7b12d11de5]
 libc.so.6(clone+0x6D) [0x7f7b12a3bbad]
-----  END BACKTRACE  -----