On Wed 14-05-14 16:46:32, Rogier Wolff wrote: [...] > Kernel: from Ubuntu 14.04, 3.13.0-19-generic
The kernel is 64b right? > 32-bit userspace > 16Gb RAM installed. > Disks: 3x 3T in RAID5 > > ganglia shows the server memory graph as follows: > http://prive.bitwizard.nl/server_mem.png This shows that the memory usage didn't go over 5G. That is suspicious. Is this a NUMA machine? Is it possible that zone_reclaim_mode is enabled (cat /proc/sys/vm/zone_reclaim_mode)? > All other computers have a "nice" filled graph there. > > So, is there a bug in my kernel or am I missing an important tuning > parameter? > > > Roger. > > -- > ** [email protected] ** http://www.BitWizard.nl/ ** +31-15-2600998 ** > ** Delftechpark 26 2628 XH Delft, The Netherlands. KVK: 27239233 ** > *-- BitWizard writes Linux device drivers for any device you may have! --* > The plan was simple, like my brother-in-law Phil. But unlike > Phil, this plan just might work. > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
