Thanks Grzegorz,
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 <gryz...@gmail.com> > 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). > >
