> Hello, > > I have a RH5 machine where load is quiet inequally distributed, as > reported by sar: > > CPU %user %nice %system %iowait %steal > %idle > Average: all 3.26 0.00 1.80 0.02 0.00 > 94.92 > Average: 0 20.73 0.00 10.78 0.05 0.00 > 68.44 > Average: 1 0.68 0.00 0.53 0.00 0.00 > 98.78 > Average: 2 1.07 0.00 0.65 0.00 0.00 > 98.28 > Average: 3 0.73 0.00 0.48 0.01 0.00 > 98.78 > Average: 4 0.62 0.00 0.49 0.05 0.00 > 98.84 > Average: 5 0.70 0.00 0.50 0.04 0.00 > 98.77 > Average: 6 0.69 0.00 0.44 0.00 0.00 > 98.87 > Average: 7 0.75 0.00 0.48 0.00 0.00 > 98.76 > > The machine runs apache (prefork-mpm) which serves php pages from an > NFS mount. > > As the machine is not very loaded, it's not really a problem. But I'm > wondering what will happen when load rises. > > Should I worry about weirdness ? Is it possible to alter the way the > scheduler work ?
What problem are you trying to solve? Energy-wise it's better to have one slightly loaded core and the rest idling instead of all cores doing minimal work. -- Jussi _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
