Tino Schwarze a écrit : > [...] > I'm going to pg_restore a database dump of about 220 GiB (uncompressed, > but most data is BLOBs). The machine has 8 GiB of memory and 8 cores. > Is there any advice to speed up restoring, postgresql.conf-wise? > > I already have a script which does the data loading and index creation > in parallel. I'm looking for advice regarding shared_mem, work_mem and > maintenance_mem - shall I raise them? > You should definitely raise shared_buffers and maintenance_work_mem. > I currently have: > shared_buffers = 240MB > work_mem = 4096 # no units here, d'oh! > maintenance_work_mem = 150000 When there's no unit, work_mem and maintenance_work_mem are in KB. You didn't tell us your PostgreSQL release, but shared_buffers can be set at least to 1GB and maintenance_work_mem to 512MB. You can also raise checkpoint_segments. Regards. -- Guillaume. http://www.postgresqlfr.org http://dalibo.com -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
