Is the java app cpu bound? > > Also watch "vmstat 3" for a minute or two. The last two numbers (wa > & id) (some vmstat's have a steal, ignore that) will tell you if you > are io bound. > > -Andy > > During COPY, with autovaccume off (server restarted, manual vacuum to get things going). Immediately hit the "too frequently" gripe. checkpoint_segments still at 12. Not cpu bound, so waiting for IO, but surely one expects that? vmstat 3 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 2 100148 3317248 763264 33731032 0 0 0 33355 10555 20122 1 1 84 14 0 1 0 100148 3311040 763272 33736972 0 0 0 18128 11118 20601 5 1 87 6 0 1 0 100148 3277808 763272 33769008 0 0 0 12536 11373 20551 7 2 90 1 0 1 1 100148 3267020 763272 33778732 0 0 0 43125 10968 20848 5 2 90 3 0 0 1 100148 3250528 763272 33792804 0 0 0 63567 10467 20121 2 1 81 16 0 0 1 100148 3258584 763276 33784308 0 0 0 17121 10553 20146 1 1 86 12 0 1 2 100148 3237616 763276 33802024 0 0 0 36327 11198 20151 4 2 85 9 0 1 0 100148 3223224 763276 33816556 0 0 0 32189 10763 19900 2 1 84 13 0 0 0 100148 3206740 763276 33831580 0 0 0 13233 11080 20469 7 3 89 1 0 0 2 100148 3204872 763276 33829580 0 0 0 75205 10500 20912 2 1 84 13 0 0 2 100148 3188256 763276 33847544 0 0 0 35448 11028 20788 3 2 86 9 0 0 2 100148 3190248 763276 33844888 0 0 0 21808 11938 20848 2 1 82 15 0 0 1 100148 3184656 763280 33848968 0 0 0 18592 11562 20574 1 1 84 14 0 |