On Tue, Oct 14, 2014 at 7:55 PM, Andres Freund <and...@2ndquadrant.com> wrote: > > On 2014-10-14 09:30:58 -0400, Robert Haas wrote: > > A few years ago I started working on a concurrent hash table for > > PostgreSQL. The hash table part of it worked, but I never did > > anything with it, really. Amit mentioned to me earlier this week that > > he was seeing contention inside the dynahash machinery, which inspired > > me to go back and update the patch. > > Interestingly I've benchmarked similar loads, even on the same machine > as Amit,
There is one catch here, for these profiles I am using Power-8 m/c and the load is slightly higher (5000 scale factor). With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
