[CentOS] Measuring memory bandwidth utilization
Stuart Barkley
stuartb at 4gh.netWed Feb 3 02:40:14 UTC 2016
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On Tue, 2 Feb 2016 at 20:34 -0000, Benjamin Smith wrote: > Any idea? Wild guessing...How old a system? ~5 year old Nehalem? If so try: echo 0 > /proc/sys/vm/zone_reclaim_mode For some memory performance diagnosing try 'sar': sar -B 10 There are lots of other sar options which might be useful. Stuart -- I've never been lost; I was once bewildered for three days, but never lost! -- Daniel Boone
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