IBM 170 Servers Manual page 223

10
1
0.1
0.01
0.001
0
The chart above shows some basic performance scaling for 1, 2, 3 and 4 processors. For this
comparison both partition measurements were done with the processors set up as shared, and
with the IBM i operating system partition set to capped. The rest of the resources stay constant,
which consists of 90 RAID1 DDMs in a DS4800 under 16 LUNs 2 GB of memory assigned to
VIOS and 28 GB assigned to the IBM i operating system partition. Note that only 1 LPAR is
running at the time of the experiment.
0.031
0.021
0.011
0.001
0 500 1000
IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
©
Copyright IBM Corp. 2008
VIOS/IBM i operating system JS22 Express
DS4800 (90 DDMs)
Commercial Performance Workload
IBM i operating system .8 Processor VIOS .2 Processor
IBM i operating system 1.7 Processor VIOS .3 Processor
IBM i operating system 2.6 Processors VIOS .4 Processors
IBM i operating system 3.5 Processors VIOS .5 Processors
10000 20000
Transactions/Minute
VIOS/IBM i operating system JS22 Blade
DS4800 (90 DDMs)
Commercial Performance Workload
1500 2000 2500 3000 3500 4000
ASP Throughput OP/S
i5OS .8 Processor VIOS .2 Processor
i5OS 1.7 Processor VIOS .3 Processor
i5OS 2.6 Processors VIOS .4 Processors
i5OS 3.5 Processors VIOS .5 Processors
Chapter 14 DASD Performance
30000 40000
4500 5000 5500 6000 6500 7000
50000 60000
7500 8000 8500 9000
223