On Friday 16 Sep 2011 16:23:19 Andi Kleen wrote: > > I sent an email containing benchmarks from Robert Haas regarding the > > Subject. Looking at lkml.org I can't see it right now, Will recheck when > > I am at home. > I never saw that. Hm. Not good. I see message in my imap folder marked as replied. I don't keep mail-server logs that long though... > Thanks for the data. Thats Roberts work though. > > You likely won't be able to see the bottlenecks with any of the released > > postgres versions as there are bottlenecks fixed in HEAD that throttle > > way before that. > FWIW we did some postgres testing on a 4 socket, but only with the heavily > patched MOSBENCH version, which fixes various locking problems. Didn't run > it with that patchkit though. I don't really now what MOSBENCH changed but I think some of the fixes Robert are unlikely to be contained in there because they are more than just a rework of locking itself but algorithmic changes on another level. (Should it interest you its its likely to be 84e37126770dd6de903dad88ce150a49b63b5ef9, b4fbe392f8ff6ff1a66b488eb7197eef9e1770a4, 3cba8999b343648c4c528432ab3d51400194e93b 8e5ac74c1249820ca55481223a95b9124b4a4f95, ...) I also think youre only likely to notice those problems if youre running a readonly test. The write-path is currently far to slow to see problems in that area. Greetings, Andres -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
