On 01 Aug 2003 11:04:10 -0700, Jenny Zhang <[EMAIL PROTECTED]> wrote: >A sample OSDL-DBT3 test result report can be found at: >http://khack.osdl.org/stp/276912/ > >Your comments are welcome,
| effective_cache_size | 1000 With 4GB of memory this is definitely too low and *can* (note that I don't say *must*) lead the planner to wrong decisions. | shared_buffers | 15200 ... looks reasonable. Did you test with other values? | sort_mem | 524288 This is a bit high, IMHO, but might be ok given that DBT3 is not run with many concurrent sessions (right?). http://khack.osdl.org/stp/276912/results/plot/vmstat_swap.png shows some swapping activity towards the end of the run which could be caused by a too high sort_mem setting. Servus Manfred ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org