But work memory is for each process (connection) rt? so if i keep more then 10MB will not affect the overall performance ?
Arvind S
2009/10/12 Grzegorz Jaśkiewicz <gryzman@xxxxxxxxx>
btw, what's the version of db ?
what's the work_mem setting ?
try setting work_mem to higher value. As postgresql will fallback to disc sorting if the content doesn't fit in work_mem, which it probably doesn't (8.4+ show the memory usage for sorting, which your explain doesn't have).
