I have been trying to find information on PostgreSQL for running it on greater then 4 processors. Are there any benchmarks out there and have there been any problems or does anybody forsee any issues running PostgreSQL with more then 4 processors?
There shouldn't be any issues with running on large SMP machines. There has been some speculation that lock contention (specifically for the BufMgrLock) might hurt performance somewhat on machines with > 4 processors, but I don't know to what degree. In any case, you should certainly be able to *use* PG; how well it will perform on a many-way SMP box relative to, say, Oracle, I'm not sure.
-Neil
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
