HP-UX Encrypted Volume and File System Performance and Tuning

Figure 15: Direct I/O Random Writes with VxFS Tuning
Figure 16: Direct I/O Sequential Reads with VxFS Tuning
64k Block Sequential Read - 100mb File Size
3%
4%
5% 5%
5%
5%
18%
29%
28%
30%
1
IOZone Threads
CPU Utilization %
Throughput KBs -
Scale1
Clear CPU EVFS CPU Clear read EVFS read
64k Block Random Write - 100mb File Size
2%
3%
4%
4% 4%4%
15%
23%
22%
24%
1 10 25 50 100
IOZone Threads
CPU Utilization %
Throughput KBs -
Scale1
Clear CPU EVFS CPU Clear Random Write EVFS Random Write