Andrew Dunstan <[EMAIL PROTECTED]> writes: > Joshua D. Drake wrote: >> I would also question the 64KB at a time. Why not a 1024KB (arbitrary) >> at a time? Is it a resource issue? In the old days when we actually >> had people trying to run postgresql on 128 and 256 megs of ram, o.k. >> but now?
> It would be simple enough to change. Try it and see if it actually makes > a difference. All you have to change is the define of RAW_BUF_SIZE. Seems unlikely that making it bigger than (a fraction of) L2 cache would be a smart move. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match