Re: FreeBSD 10 and PostgreSQL 9.3 scalability issues

2014-04-22 Thread Palle Girgensohn
> 23 apr 2014 kl. 01:04 skrev Adrian Chadd : > > Hi, > > Are you able to repeat these tests (for both 9.2 and 9.3) whilst > grabbing some performance data from lock profiling and hwpmc? I sure can, but I'd love some pointers as to how this is done. Please? :-) > > The benchmarking is great b

Re: FreeBSD 10 and PostgreSQL 9.3 scalability issues

2014-04-22 Thread Adrian Chadd
Hi, Are you able to repeat these tests (for both 9.2 and 9.3) whilst grabbing some performance data from lock profiling and hwpmc? The benchmarking is great but it doesn't tell us enough information as to "why" things behave poorly compared to Linux and why the mmap drop isn't so great. What abo