geth --metrics

• https://geth.ethereum.org/docs/monitoring/metrics

--metrics.expensive

debug_freeOSMemory
debug_gcStats  https://pkg.go.dev/runtime/debug#GCStats
debug_memStats https://pkg.go.dev/runtime#MemStats

debug_setGCPercent

debug_verbosity

• 6060
• memsize

• geth [ account | console | snapshot | --authrpc.addr | version | --sepolia | --goerli | --pprof | --http | --syncmode | --mine ] --rpc.evmtimeout | --ethstats | --help, Geth logs, geth logs WARN, Log.Error, ports: 8551, 30303, 8547, ~/.ethereum/geth/, --verbosity, --config, geth init, devp2p, p2psim, devp2p, geth dumpconfig