On Mon, Aug 09, 2010 at 03:25:23PM -0400, Tom Lane wrote: > Peter Eisentraut <pete...@gmx.net> writes: > > Here is a patch for host name support in pg_hba.conf. > > My recollection is that the previous discussions got stuck on the cost > of doing DNS lookups for every connect; and the obvious solution of > trying to cache the names was shot down on the basis of not knowing when > to flush the cache. Have you decided that people who want this feature > will just have to pay that cost? If so, I think the documentation needs > to be a bit more explicit about names being more expensive than IP > addresses in pg_hba.conf.
I am also a bit scared of the startup cost for each connection. In which order are things evaluated? What if I only include IP addresses in my pg_hba, will it still cost me a DNS lookup or two? Kind regards, Kristian. -- Kristian Larsson KLL-RIPE +46 704 264511 k...@spritelink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
