lake.properties buffers name=lake connector.class=com.tidbcloud.kafka.connect.lake.LakeSinkConnector connection.url=jdbc:lake://localhost:8000 connection.user=lake connection.password=lake connection.attempts=5 connection.backoff.ms=10000 connection.database=default table.name.format=default.${topic} max.retries=10 batch.size=1 auto.create=true auto.evolve=true insert.mode=upsert pk.mode=record_value pk.fields=id topics=products errors.tolerance=all