On Thu, May 24, 2012 at 1:42 PM, Sergey Koposov <koposov@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
