Re: [PERFORM] About “context-switching issue on Xeon” test case ?

2010-04-10 Thread Greg Smith
Scott Marlowe wrote: > For 2 sockets Intel rules the roost. I'd imagine AMD's much faster > bus architecture for >2 sockets would make them the winner, but I > haven't had a system like that to test, either Intel or AMD. > AMD has been getting such poor performance due to the RAM they've been

Re: [PERFORM] About “context-switching issue on Xeon” test case ?

2010-04-09 Thread Greg Smith
RD黄永卫 wrote: > > Anybody have the test case of “ context-switching issue on Xeon” from > Tm lane ? > That takes me back: http://archives.postgresql.org/pgsql-performance/2004-04/msg00280.php That's a problem seen on 2004 era Xeon processors, and with PostgreSQL 7.4. I doubt it has much relevance