HP Data Protector Software Performance White Paper

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Figure 61 shows that a higher concurrency caused a higher CPU load. However, this slight
increase can be disregarded when compared with the remarkable increase of the performance
as shown in the previous Figure 60.
Figure 61. CPU load of MS Exchange Server 2003 local backup to Ultrium 960 with concurrency 1 - 4
MS Exchange Server 2003
Concurrency 1 - 4
CPU Load of Local Backup to Ultrium 960
20%
17%
12%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
conc=1, drive(s)=1 conc=2, drive(s)=1 conc=4, drive(s)=2
CPU Load