Shutdown takes too long

[Lusitaniae]

Server doesn't shutdown on it's own and gets forcefully killed by systemd after 5 mins

https://github.com/grpc/grpc-go/blob/master/examples/features/gracefulstop/server/main.go

We can manage it from app side, kill after 30s ?

Oct 18 12:59:12 faithful-staging1 systemd[1]: Stopping faithful-rpc.service - Yellowstone Old Faithful RPC server...
Oct 18 12:59:12 faithful-staging1 faithful-cli[7201]: I1018 12:59:12.282900    7201 main.go:32] received interrupt signal
Oct 18 12:59:12 faithful-staging1 faithful-cli[7201]: ctx done, shutting down bigcache cleanup routine
Oct 18 12:59:12 faithful-staging1 faithful-cli[7201]: I1018 12:59:12.283116    7201 multiepoch.go:249] RPC server shutting down...
Oct 18 12:59:12 faithful-staging1 faithful-cli[7201]: I1018 12:59:12.283655    7201 multiepoch.go:254] RPC server shut down
Oct 18 13:04:12 faithful-staging1 systemd[1]: faithful-rpc.service: State 'stop-sigterm' timed out. Killing.
Oct 18 13:04:12 faithful-staging1 systemd[1]: faithful-rpc.service: Killing process 7201 (faithful-cli) with signal SIGKILL.
Oct 18 13:04:12 faithful-staging1 systemd[1]: faithful-rpc.service: Failed to kill control group /system.slice/faithful-rpc.service, ignoring: Invalid argument
Oct 18 13:04:16 faithful-staging1 systemd[1]: faithful-rpc.service: Main process exited, code=killed, status=9/KILL
Oct 18 13:04:16 faithful-staging1 systemd[1]: faithful-rpc.service: Failed with result 'timeout'.
Oct 18 13:04:16 faithful-staging1 systemd[1]: Stopped faithful-rpc.service - Yellowstone Old Faithful RPC server.