Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Victor de Buen
Thank a lot, Merlin. I will try to fill a sample of grids in a new table with different sizes of subgrids in order to get the better relation between space and speed. Regards 2009/7/22 Merlin Moncure > On Tue, Jul 21, 2009 at 7:43 PM, Victor de Buen > (Bayes) wrote: > > Hi > > > > I'm storing

Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Merlin Moncure
On Tue, Jul 21, 2009 at 7:43 PM, Victor de Buen (Bayes) wrote: > Hi > > I'm storing historical meteorological gridded data from GFS > (http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a > table like this: > > CREATE TABLE grid_f_data_i2 ( >   //Specifies the variable and other

Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Victor de Buen (Bayes)
Thank you very much, Tom I will try vector 'parallel' and 'vertical' strategies. Regards 2009/7/22 Tom Lane > "Victor de Buen (Bayes)" writes: > > I'm storing historical meteorological gridded data from GFS ( > > http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a > > tab

Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Victor de Buen
Thank you very much, Tom I will try vector 'parallel' and 'vertical' strategies. Regards 2009/7/22 Tom Lane > "Victor de Buen (Bayes)" writes: > > I'm storing historical meteorological gridded data from GFS ( > > http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a > > tab

Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Tom Lane
"Victor de Buen (Bayes)" writes: > I'm storing historical meteorological gridded data from GFS ( > http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a > table like this: > vl_grid smallint[361][720], >- It's posible to tune some TOAST parameters to get faster atomic ac

Re: [PERFORM] Atomic access to large arrays

2009-07-22 Thread Victor de Buen
Hi I'm storing historical meteorological gridded data from GFS ( http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a table like this: CREATE TABLE grid_f_data_i2 ( //Specifies the variable and other features of data id_inventory integer REFERENCES grid_d_inventory(id_inve

Re: [PERFORM] Atomic access to large arrays

2009-07-21 Thread Oleg Bartunov
Victor, Just wondering why do you use array ? Oleg On Wed, 22 Jul 2009, Victor de Buen (Bayes) wrote: Hi I'm storing historical meteorological gridded data from GFS ( http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a table like this: CREATE TABLE grid_f_data_i2 ( //Sp

[PERFORM] Atomic access to large arrays

2009-07-21 Thread Victor de Buen (Bayes)
Hi I'm storing historical meteorological gridded data from GFS ( http://www.nco.ncep.noaa.gov/pmb/products/gfs/) into an array field in a table like this: CREATE TABLE grid_f_data_i2 ( //Specifies the variable and other features of data id_inventory integer REFERENCES grid_d_inventory(id_inve