On Nov 6, 2012, at 4:56 PM, Deron wrote: > Yes, I can't really find a good use case for it. I am meeting with some of > them in the next few days to find out exactly what they are using it for. If > there is a legitimate use case for this, I will forward that information. > > Thanks for the suggestions. I will pass this information along as well if > they really need the behavior.
From the docs, half a page down: Inserts into a BLACKHOLE table do not store any data, but if the binary log is enabled, the SQL statements are logged (and replicated to slave servers). This can be useful as a repeater or filter mechanism. Suppose that your application requires slave-side filtering rules, but transferring all binary log data to the slave first results in too much traffic. In such a case, it is possible to set up on the master host a “dummy” slave process whose default storage engine is BLACKHOLE -- Scott Ribe scott_r...@elevated-dev.com http://www.elevated-dev.com/ (303) 722-0567 voice -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
