convore.json/groups/postgres/what-is-the-best-way-to-backup-a-postgres-90-database/messages.json

[{"user_id": 17654, "stars": [], "topic_id": 37386, "date_created": 1306761298.9952869, "message": "if I use the pg_dump approach what are the best flag combination to be able to restore it on another server?", "group_id": 1895, "id": 1227014}, {"user_id": 17654, "stars": [], "topic_id": 37386, "date_created": 1306761233.8338301, "message": "Should I \"tar xcvf $PG_DATA\"  or pg_dump ?", "group_id": 1895, "id": 1226999}]