Messages in this thread | | | Date | Thu, 27 Sep 2012 12:20:50 +0200 | From | Borislav Petkov <> | Subject | Re: 20% performance drop on PostgreSQL 9.2 from kernel 3.5.3 to 3.6-rc5 on AMD chipsets - bisected |
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On Thu, Sep 27, 2012 at 12:17:22AM -0700, david@lang.hm wrote: > It seems to me that trying to figure out if you are going to > overload the L2 is an impossible task, so just assume that it will > all fit, and the worst case is you have one balancing cycle where > you can't do as much work and then the normal balancing will kick in > and move something anyway.
Right, and this implies that when the load balancer runs, it will definitely move the task away from the L2. But what do I do in the cases where the two tasks don't overload the L2 and it is actually beneficial to keep them there? How does the load balancer know that?
-- Regards/Gruss, Boris.
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