On Thu, Jun 26, 2014 at 11:18 AM, Kohei KaiGai <kai...@kaigai.gr.jp> wrote: > One thing I concern is, it may conflict with numa-balancing > features that is supported in the recent Linux kernel; that > migrates physical pages according to the location of tasks > which references the page beyond the numa zone. > # I'm not sure whether it is applied on shared memory region. > # Please correct me if I misunderstood. But it looks to me > # physical page in shared memory is also moved. > http://events.linuxfoundation.org/sites/events/files/slides/summit2014_riel_chegu_w_0340_automatic_numa_balancing_0.pdf
Sadly, it excludes the OS cache explicitly (when it mentions libc.so), which is one of the hottest sources of memory bandwidth consumption in a database. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
