When I turned on logging for PostgreSQL during testing, I see that the number of fetches goes up dramatically for tables with a large number of rows. For example - 2013-12-17 19:08:03 IST [19893]: [791-1] user=myserrhpa,db=everest1 LOG: duration: 0.093 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [792-1] user=myserrhpa,db=everest1 LOG: duration: 0.137 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [793-1] user=myserrhpa,db=everest1 LOG: duration: 0.093 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [794-1] user=myserrhpa,db=everest1 LOG: duration: 0.096 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [795-1] user=myserrhpa,db=everest1 LOG: duration: 0.063 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [796-1] user=myserrhpa,db=everest1 LOG: duration: 0.091 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [797-1] user=myserrhpa,db=everest1 LOG: duration: 0.064 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [798-1] user=myserrhpa,db=everest1 LOG: duration: 0.094 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt 2013-12-17 19:08:03 IST [19893]: [799-1] user=myserrhpa,db=everest1 LOG: duration: 0.068 ms execute fetch from <unnamed>/pg8000_portal_10: select * from myt Is this normal? How can we control the number of fetches - some parameter to set like array_size?
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