On Thu, May 24, 2012 at 6:24 AM, Sergey Koposov <kopo...@ast.cam.ac.uk> wrote: > Hi, > > I've been running some tests on pg 9.2beta1 and in particular a set > of queries like ... > > And I noticed than when I run the query like the one shown above in parallel > (in multiple connections for ZZZ=0...8) the performance of each query drops > down significantly (factor of 2)(despite the fact that during the execution > of the query postgres is mostly CPU bound).
Is this a regression from previous versions (9.0, 9.1), or has the slow down always been there? Cheers, Jeff -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers