> I'm a bit puzzled as to how you managed to get so much free space at the > start of the table. Did the replication work on the second try? It actually worked on third try, I guess. > OK, so you might well be getting the vacuum writing one page, then WAL, > then vacuum, etc. That will mean the disk spends most of its time > seeking back and fore. How many disks do you have, and is the WAL on a > separate set of disks? It is 2 spindles software RAID1 . Till now there were no performance problems with this machine that would mandate trying anything more fancy, this machine is low traffic. Greetings Marcin Mańk
