On Thu, May 24, 2012 at 1:42 PM, Sergey Koposov <kopo...@ast.cam.ac.uk> wrote: > I guess there is nothing catastrophically wrong with that, but still I'm > very suprised that you get severe locking problems (factor of two slow-down) > when running parallel read-only transactions.
Me, too. How many concurrent connections are you running, and does your working set exceed shared_buffers? Can you provide a self-contained reproducible test case? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
