On Wed, 2004-02-11 at 09:23, [EMAIL PROTECTED] wrote: > my data base is very slow. The machine is a processor Xeon 2GB with > 256 MB of RAM DDR. My archive of configuration is this:
I'm not surprised. New values below old. > sort_mem = 131072 # min 64, size in KB sort_mem = 8192. > fsync = false Are you aware of the potential for data corruption during a hardware, power or software failure? > enable_seqscan = false > enable_indexscan = false > enable_tidscan = false > enable_sort = false > enable_nestloop = false > enable_mergejoin = false > enable_hashjoin = false You want all of these set to true, not false. > effective_cache_size = 170000 # typically 8KB each effective_cache_size = 16384. > random_page_cost = 1000000000 # units are one sequential page fetch cost random_page_cost = 3 > cpu_tuple_cost = 0.3 # (same) cpu_tuple_cost = 0.01 > cpu_index_tuple_cost = 0.6 # (same) cpu_index_tuple_cost = 0.001 > cpu_operator_cost = 0.7 # (same) cpu_operator_cost = 0.0025 > default_statistics_target = 1 # range 1-1000 default_statistics_target = 10 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster