seaweedfs/weed/filer/postgres

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)
);