1. create "seaweedfs" database

export PGHOME=/Library/PostgreSQL/10 $PGHOME/bin/createdb --username=postgres --password seaweedfs

2. create "filemeta" table $PGHOME/bin/psql --username=postgres --password seaweedfs

CREATE TABLE IF NOT EXISTS filemeta ( dirhash BIGINT, name VARCHAR(65535), directory VARCHAR(65535), meta bytea, PRIMARY KEY (dirhash, name) );