      9 syscall,io_getevents(libaio.so.1),LinuxAIOHandler::collect(os0file.cc:2383),LinuxAIOHandler::poll(os0file.cc:2529),os_aio_linux_handler(os0file.cc:2579),os_aio_handler(os0file.cc:6299),fil_aio_wait(fil0fil.cc:7979),io_handler_thread(srv0start.cc:250),void(srv0start.cc:250),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      3 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),os_event_wait(os0event.h:103),srv_worker_thread(srv0srv.cc:3212),void(srv0srv.cc:3212),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      2 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,native_cond_timedwait(thr_cond.h:99),my_cond_timedwait(thr_cond.h:148),inline_mysql_cond_timedwait(mysql_cond.h:242),xpl::Cond::timed_wait(cond.cc:42),ngs::Scheduler_dynamic::wait_if_idle_then_delete_worker(scheduler.cc:196),ngs::Scheduler_dynamic::worker(scheduler.cc:243),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __memmove_avx_unaligned_erms,memcpy(string_fortified.h:29),dblwr::Buffer::append(buf0dblwr.h:94),Double_write::enqueue(buf0dblwr.cc:621),Double_write::submit(buf0dblwr.cc:678),Double_write::submit(buf0dblwr.cc:671),dblwr::write(buf0dblwr.cc:2560),buf_flush_write_block_low(buf0flu.cc:1255),buf_flush_page(buf0flu.cc:1393),buf_flush_try_neighbors(buf0flu.cc:1592),buf_flush_page_and_try_neighbors(buf0flu.cc:1674),buf_do_flush_list_batch(buf0flu.cc:1924),buf_flush_batch(buf0flu.cc:1988),buf_flush_do_batch(buf0flu.cc:2093),pc_flush_slot(buf0flu.cc:3010),buf_flush_page_coordinator_thread(buf0flu.cc:3399),void(buf0flu.cc:3399),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __GI___sigtimedwait,signal_hand(mysqld.cc:3833),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __GI___poll,poll(poll2.h:39),Mysqld_socket_listener::listen_for_connection_event(socket_connection.cc:1347),Connection_acceptor::connection_event_loop(connection_acceptor.h:64),mysqld_main(mysqld.cc:8570),__libc_start_call_main,__libc_start_main_impl,_start
      1 __GI_fsync,os_file_fsync_posix(os0file.cc:2994),os_file_flush_func(os0file.cc:3137),pfs_os_file_flush_func(os0file.ic:468),Log_file_handle::fsync(log0files_io.cc:315),Log_file_handle::fsync(log0files_io.cc:304),log_flush_low(log0write.cc:2443),operator(log0write.cc:2534),os_event_wait_for<log_flusher(log_t*)::<lambda(bool)>(os0event.ic:83),Log_thread_waiting::wait<log_flusher(log_t*)::<lambda(bool)>(log0write.cc:1256),log_flusher(log0write.cc:2602),void(log0write.cc:2602),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __GI_fsync,os_file_fsync_posix(os0file.cc:2994),os_file_flush_func(os0file.cc:3137),pfs_os_file_flush_func(os0file.ic:468),Fil_shard::space_flush(fil0fil.cc:8200),Fil_shard::flush_file_spaces(fil0fil.cc:8263),Fil_system::flush_file_spaces(fil0fil.cc:8271),fil_flush_file_spaces(fil0fil.cc:8275),Double_write::write_complete(buf0dblwr.cc:2622),dblwr::write_complete(buf0dblwr.cc:2638),buf_flush_write_complete(buf0flu.cc:945),buf_page_io_complete(buf0buf.cc:5976),fil_aio_wait(fil0fil.cc:8020),io_handler_thread(srv0start.cc:250),void(srv0start.cc:250),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __GI___clock_nanosleep,__GI___nanosleep,std::this_thread::sleep_for<long,std::ratio<1l,1l>>(this_thread_sleep.h:82),srv_master_sleep(srv0srv.cc:2973),srv_master_main_loop(srv0srv.cc:3015),srv_master_thread(srv0srv.cc:3087),void(srv0srv.cc:3087),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,xpl::Synchronize::Block::wait(synchronize.h:49),xpl::Broker_task::wait_for_data_and_swap_queues(broker_task.cc:118),xpl::Broker_task::loop(broker_task.cc:92),ngs::Server::run_task(server.cc:83),operator(server.cc:148),std::__invoke_impl<void,(invoke.h:61),std::__invoke_r<void,(invoke.h:111),std::_Function_handler<void(),(std_function.h:290),std::function::operator(std_function.h:290),ngs::Scheduler_dynamic::worker(scheduler.cc:234),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),sync_array_wait_event(sync0arr.cc:338),TTASEventMutex::wait(ut0mutex.ic:222),TTASEventMutex::spin_and_try_lock(ib0mutex.h:541),TTASEventMutex<GenericPolicy>::enter(ib0mutex.h:442),PolicyMutex<TTASEventMutex<GenericPolicy>(ib0mutex.h:636),mutex_enter_inline<PolicyMutex<TTASEventMutex<GenericPolicy>(ut0mutex.h:114),buf_page_init_for_read(buf0buf.cc:4936),buf_read_page_low(buf0rea.cc:93),buf_read_page(buf0rea.cc:292),Buf_fetch::read_page(buf0buf.cc:4086),Buf_fetch_normal::get(buf0buf.cc:3709),Buf_fetch::single_page(buf0buf.cc:4281),buf_page_get_gen(buf0buf.cc:4478),btr_cur_search_to_nth_level(btr0cur.cc:975),btr_pcur_t::open_no_init(btr0pcur.h:616),row_search_mvcc(row0sel.cc:4954),ha_innobase::index_read(ha_innodb.cc:10897),handler::index_read_map(handler.h:5467),handler::ha_index_read_map(handler.cc:3393),read_(handler.cc:3393),join_read__table(handler.cc:3393),JOIN::extract_func_dependent_tables(sql_optimizer.cc:5824),JOIN::make_join_plan(sql_optimizer.cc:5352),JOIN::optimize(sql_optimizer.cc:716),Query_block::optimize(sql_select.cc:1814),Query_expression::optimize(sql_union.cc:1007),Sql_cmd_dml::execute_inner(sql_select.cc:763),Sql_cmd_dml::execute(sql_select.cc:578),mysql_execute_command(sql_parse.cc:4944),Prepared_statement::execute(sql_prepare.cc:3646),Prepared_statement::execute_loop(sql_prepare.cc:3058),mysqld_stmt_execute(sql_prepare.cc:1914),dispatch_command(sql_parse.cc:2024),do_command(sql_parse.cc:1501),handle_connection(connection_handler_per_thread.cc:308),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),sync_array_wait_event(sync0arr.cc:338),TTASEventMutex::wait(ut0mutex.ic:222),TTASEventMutex::spin_and_try_lock(ib0mutex.h:541),TTASEventMutex<GenericPolicy>::enter(ib0mutex.h:442),PolicyMutex<TTASEventMutex<GenericPolicy>(ib0mutex.h:636),mutex_enter_inline<PolicyMutex<TTASEventMutex<GenericPolicy>(ut0mutex.h:114),buf_flush_LRU_list_batch(buf0flu.cc:1813),buf_do_LRU_batch(buf0flu.cc:1874),buf_flush_batch(buf0flu.cc:1984),buf_flush_do_batch(buf0flu.cc:2093),buf_flush_LRU_list(buf0flu.cc:2272),buf_lru_manager_thread(buf0flu.cc:3763),void(buf0flu.cc:3763),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),os_event_wait(os0event.h:103),buf_resize_thread(buf0buf.cc:2667),void(buf0buf.cc:2667),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),os_event_wait(os0event.h:103),buf_dump_thread(buf0dump.cc:686),void(buf0dump.cc:686),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,native_cond_wait(thr_cond.h:108),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(mysql_cond.h:198),Per_thread_connection_handler::block_until_new_connection(connection_handler_per_thread.cc:162),handle_connection(connection_handler_per_thread.cc:340),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,native_cond_wait(thr_cond.h:108),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(mysql_cond.h:198),Event_queue::cond_wait(event_queue.cc:718),Event_queue::get_top_for_execution_if_time(event_queue.cc:556),Event_scheduler::run(event_scheduler.cc:577),event_scheduler_thread(event_scheduler.cc:280),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,native_cond_wait(thr_cond.h:108),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(mysql_cond.h:198),compress_gtid_table(rpl_gtid_persist.cc:776),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),srv_purge_coordinator_suspend(chrono:537),srv_purge_coordinator_thread(srv0srv.cc:3475),void(srv0srv.cc:3475),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),srv_error_monitor_thread(chrono:537),void(chrono:537),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_time(os0event.h:121),srv_monitor_thread(srv0srv.cc:1969),void(srv0srv.cc:1969),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_time(os0event.h:121),dict_stats_thread(dict0stats_bg.cc:365),void(dict0stats_bg.cc:365),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_time(os0event.h:121),Clone_persist_gtid::periodic_write(clone0repl.cc:608),void(clone0repl.cc:608),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_for<log_writer::<lambda>>(os0event.ic:135),Log_thread_waiting::wait<log_writer(log_t*)::<lambda(bool)>(log0write.cc:1256),log_writer(log0write.cc:2276),void(log0write.cc:2276),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_for<log_write_notifier::<lambda>>(os0event.ic:135),Log_thread_waiting::wait<log_write_notifier(log_t*)::<lambda(bool)>(log0write.cc:1256),log_write_notifier(log0write.cc:2703),void(log0write.cc:2703),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),os_event_wait_for<log_flush_notifier::<lambda>>(os0event.ic:135),Log_thread_waiting::wait<log_flush_notifier(log_t*)::<lambda(bool)>(log0write.cc:1256),log_flush_notifier(log0write.cc:2825),void(log0write.cc:2825),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),log_files_governor(chrono:537),void(chrono:537),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),log_checkpointer(log0chkp.cc:1025),void(log0chkp.cc:1025),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),lock_wait_timeout_thread(chrono:537),void(chrono:537),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,os_event::timed_wait(sync0types.h:556),os_event::wait_time_low(os0event.cc:488),os_event_wait_time_low(os0event.cc:575),ib_wqueue_timedwait(ut0wqueue.cc:128),fts_optimize_thread(chrono:537),void(chrono:537),std::__invoke<void(invoke.h:96),std::_Bind<void(functional:420),std::_Bind<void(functional:503),Detached_thread::operator()<void(os0thread-create.h:194),std::__invoke_impl<void,(invoke.h:61),std::__invoke<Detached_thread,(invoke.h:96),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:253),std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:260),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(std_thread.h:211),libstdc++::??(libstdc++.so.6),start_thread,clone3
      1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_timedwait64,native_cond_timedwait(thr_cond.h:99),my_cond_timedwait(thr_cond.h:148),inline_mysql_cond_timedwait(mysql_cond.h:242),MYSQL_BIN_LOG::wait_for_update(binlog.cc:7966),Binlog_sender::wait_with_heartbeat(rpl_binlog_sender.cc:821),Binlog_sender::wait_new_events(rpl_binlog_sender.cc:796),Binlog_sender::get_binlog_end_pos(rpl_binlog_sender.cc:539),Binlog_sender::send_binlog(rpl_binlog_sender.cc:510),Binlog_sender::run(rpl_binlog_sender.cc:413),mysql_binlog_send(rpl_source.cc:997),com_binlog_dump(rpl_source.cc:924),dispatch_command(sql_parse.cc:2349),do_command(sql_parse.cc:1501),handle_connection(connection_handler_per_thread.cc:308),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
      1 epoll_wait,epoll_dispatch(epoll.c:465),event_base_loop(event.c:1998),ngs::Server::run_task(server.cc:83),operator(server.cc:148),std::__invoke_impl<void,(invoke.h:61),std::__invoke_r<void,(invoke.h:111),std::_Function_handler<void(),(std_function.h:290),std::function::operator(std_function.h:290),ngs::Scheduler_dynamic::worker(scheduler.cc:234),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3
