Alvaro Herrera <alvherre@xxxxxxxxxxxxxxxxx> writes: > Tom Lane wrote: >> ... I don't remember exactly what we do with the >> flat-file contents. > Maybe what we need is not to get rid of the flat files, but to speed > them up. If we're worried about speed in the pg_authid flatfile, and > come up with a solution to that problem, what will we do with the > pg_database flatfile when it grows too large? We can't just get rid of > it, because autovacuum needs to access it. Well, one of the components of the TODO would have to be to figure out a way to fix autovacuum to avoid that. Or we could consider getting rid of the pg_auth flatfile while keeping the pg_database one, which would fix the issue for role names anyway... but it's certainly an ugly compromise. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance