On Mon, Feb 22, 2010 at 1:13 PM, Pavel Stehule <pavel.stehule@xxxxxxxxx> wrote: > hello > > the speed depends on setting of working_memory. Try to increase a working_memory > > set working_memory to '10MB'; It's already at tpcc=# show work_mem; work_mem ---------- 20000kB (1 row) I also wouldn't have imagined an external merge-sort as being very memory-intensive--wouldn't it only enough buffer space to read 2x and write 1x in big-enough chunks for mostly-sequential access? -- Yang Zhang http://www.mit.edu/~y_z/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
