On Tue, 2009-05-12 at 11:30 -0700, Scott Carey wrote: > the fact is there is no evidence that a connection pooler will fix the > scalability from 16 > 32 cores.
There has been much analysis over a number of years of the effects of the ProcArrayLock, specifically the O(N^2) effect of increasing numbers of connections on GetSnapshotData(). Most discussion has been on -hackers, not -perform. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
