W0731 21:36:10.921273  3404 data_stream_sender.cpp:141] failed to send brpc batch, error=Host is down, error_text=[E110]Fail to connect Socket{id=256 addr=172.26.92.139:8760} (0x0x7cd4000): Connection timed out [R1][E112]Not connec
ted to 172.26.92.139:8760 yet, server_id=256 [R2][E112]Not connected to 172.26.92.139:8760 yet, server_id=256 [R3][E112]Not connected to 172.26.92.139:8760 yet, server_id=256
W0731 21:36:10.921330  3404 data_stream_sender.cpp:141] failed to send brpc batch, error=Host is down, error_text=[E110]Fail to connect Socket{id=256 addr=172.26.92.139:8760} (0x0x7cd4000): Connection timed out [R1][E112]Not connec
ted to 172.26.92.139:8760 yet, server_id=256 [R2][E112]Not connected to 172.26.92.139:8760 yet, server_id=256 [R3][E112]Not connected to 172.26.92.139:8760 yet, server_id=256
I0731 21:36:11.014581  3512 socket.cpp:2260] Checking Socket{id=256 addr=172.26.92.139:8760} (0x7cd4000)
I0731 21:36:11.015164  3555 socket.cpp:2322] Revived Socket{id=256 addr=172.26.92.139:8760} (0x7cd4000)