系统运行的好好的，但是某个be节点突然挂掉了。日志如下，请帮忙分析下原因

be.out日志

*** Aborted at 1622855293 (unix time) try "date -d @1622855293" if you are using GNU date ***
PC: @ 0x1c55a70 brpc::Socket::Write()
*** SIGSEGV (@0x2) received by PID 49179 (TID 0x7fb989f7d700) from PID 2; stack trace: ***
@ 0x7fb9dd209520 (unknown)
@ 0x1c55a70 brpc::Socket::Write()
@ 0x1b8264e brpc::Controller::IssueRPC()
@ 0x1b794d7 brpc::Channel::CallMethod()
@ 0x134298f palo::PInternalService_Stub::transmit_data()
@ 0x15dede1 doris::DataStreamSender::Channel::send_batch()
@ 0x15df0b4 doris::DataStreamSender::Channel::send_current_batch()
@ 0x15df900 doris::DataStreamSender::Channel::close_internal()
@ 0x15dfa85 doris::DataStreamSender::close()
@ 0x100011b doris::PlanFragmentExecutor::open_internal()
@ 0x10002dc doris::PlanFragmentExecutor::open()
@ 0xf97a17 doris::FragmentExecState::execute()
@ 0xf99256 doris::FragmentMgr::exec_actual()
@ 0xf9fd84 boost::detail::function::void_function_obj_invoker0<>::invoke()
@ 0xf6caf5 doris::PriorityThreadPool::work_thread()
@ 0x1a158fd thread_proxy
@ 0x7fb9dd200d14 start_thread
@ 0x7fb9dc82bbfd clone

be.INFO 日志

I0605 09:08:13.889211 49710 tablets_channel.cpp:121] close tablets channel: (id=a247a531b071275d-b987017b4eccd58c,index_id=4752007), sender id: 0
I0605 09:08:13.889467 49710 txn_manager.cpp:239] commit transaction to engine successfully. partition_id: 4752005, transaction_id: 120201110, tablet: 4752269.939468807.cf443620e125a
293-a28f858710d8caa5, rowsetid: 0200000000553c1faa4353b164866ab8a68e2a2b77ce7f9d, version: 0
I0605 09:08:13.889487 49710 delta_writer.cpp:270] close delta writer for tablet: 4752269, stats: (flush time(ms)=0, flush count=1)
I0605 09:08:13.889526 49710 load_channel_mgr.cpp:148] removing load channel a247a531b071275d-b987017b4eccd58c because it's finished
I0605 09:08:13.889533 49710 load_channel.cpp:37] load channel mem peak usage=4096, info=limit: 2147483648; consumption: 0; label: a247a531b071275d-b987017b4eccd58c; all tracker size
: 2; limit trackers size: 2; parent is null: false; , load_id=a247a531b071275d-b987017b4eccd58c
I0605 10:10:16.438009 28420 daemon.cpp:252] version 0.12.0-rc03 RELEASE (build file:///home/disk1/gengjun/apache-doris-0.12.0-incubating-src@Unknown)