Add column job_id to translation table and create index on job_id an translation_id columns -- View this message in context: http://postgresql.1045698.n5.nabble.com/ORDER-BY-performance-deteriorates-very-quickly-as-dataset-grows-tp5776965p5776974.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance