2017-06-30 15:42 GMT+02:00 Alex K <kondratov.alek...@gmail.com>: > On Fri, Jun 30, 2017 at 3:35 PM, Pavel Stehule <pavel.steh...@gmail.com> > wrote: > > > > > > 2017-06-30 14:23 GMT+02:00 Alex K <kondratov.alek...@gmail.com>: > >> > >> Thus, it results in a ~60% performance boost per each x2 multiplication > of > >> parallel processes, which is consistent with the initial estimation. > >> > > > > the important use case is big table with lot of indexes. Did you test > > similar case? > > Not yet, I will try it, thank you for a suggestion. But how much is it > 'big table' and 'lot of indexes' in numbers approximately? >
the size is about 1/3 RAM size, 60 columns, 30 indexes Regards Pavel > > Also, index updates and constraint checks performance are what I cannot > control during COPY execution, so probably I have not to care too much > about that. But of course, it is interesting, how does COPY perform in > that case. > > > Alexey >
