> >> On Tue, Apr 4, 2017 at 9:46 AM, Tom DalPozzo <t.dalpozzo@gmail.com> > >> wrote: > >> > Hi, > >> > I have a very big table (10GB). > >> > I noticed that many WAL segments are being written when elaborating read > >> > only transactions like this: > >> > select * from dati25600000000 where id >43000000 limit 1000000; > >> > I don't understand why are there WAL writings during read only > >> transactions.