geth --db.engine

• https://geth.ethereum.org/docs/fundamentals/databases

--db.engine=pebble
--db.engine=leveldb

GETH_DATA_DIR

Allocated cache and file handles
geth --datadir
geth db

See also

• geth db [ inspect | inspect-history | check-state-content | stats | metadata | dumptrie | get | --help ] geth db --datadir, geth --db.engine