On Thu, Oct 08, 2015 at 07:35:32AM -0700, rafael.burischipfer wrote: > 1) Can I archive different databases in different directory path? > Example: > I want archive the database production 1 in '/mnt/production_1/archive' and > production 2 in '/mnt/production_2/archive' if you mean: a. archive as in "archive_command" b. database as in one of databases in given pg installation then no, you can't. wal is shared across all databases in cluster (installation). > 2) I want change the WAL location, I don't want the WAL files stay in > default location, I want for example in '/PGDATA/WAL', and Can I create > different WALs to different databases? You can move wal, and then symlink pg_xlog directory, sure. You can't have wal for different databases go to different directories. > 3) Can I improve the WAL size? the default is 16,384 KB, I want for example > 51,200 KB it is possible? First - why do you think it would be improvement? > 4) In my instance I have three databases (Production 1, Production 2 and > Production 3), and I have a role named UserProd with password 'test123', I > want the Production 1 database the password be 'passwd123' in Production 2 > database be '123-passwd' and in Production 3 database be 'test123', it is > possible? User accounts are shared across all databases in cluster. Why not use separate accounts, then? Also, while I'm asking - why do you want to move wal to another location? Best regards, depesz -- The best thing about modern society is how easy it is to avoid contact with it. http://depesz.com/ -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin