GPA Manual for G-series RVUs

Guardian Performance Analyzer (GPA) Manual – (544977-001) Page 47 of 106
Example 3-9. Cache Performance Analysis
CACHE PERFORMANCE ANALYSIS
1 2 3
LOGICAL | ALLOCATED CACHE | CACHE HIT RATES | REQUEST RATES
VOLUME | 512 1024 2048 4096 | 512 1024 2048 4096 | CACHE BLOCK/SECOND
| BLKS BLKS BLKS BLKS | | 512 1024 2048 4096
| | |
$SYSTEM | 24 22 21 64 | 25 84 20 66 | .4 13.2
$NSMS | 24 22 21 64 | 99 | 5.5
$ClO | 24 22 21 64 | 55 58 90 | 4.8
$PROJEC | 24 22 21 64 | 99 | 1.6
$DRIVER | 24 22 21 64 | 42 85 90 | .1 .9
$XPRESS | 24 22 21 64 | 6 99 | .6 .5
$MEAS | 24 22 21 64 | 78 |
$B40 | 24 22 21 64 | 80 |
$X42 | 24 22 21 64 | 85 |
(1)
ALLOCATED CACHE: Number of blocks allocated.
(2)
CACHE HIT RATES: Percentage of cache hits.
(3)
REQUEST RATES CACHE BLOCK/SECOND: Number of requests
per second.
Disk Subprocess Analysis and Recommendations
Disk Subprocess Analysis and Recommendations (Example 3-13) is a summary of the
disk subprocesses associated with each logical disk volume in the system.
Example 3-13. Disk Subprocess Analysis and Recommendations
1 2 3 4 5
Logical DP PIN#1 PIN#2 PIN#3 PIN#4 PIN#5 PIN#6 PIN#7 PIN#8 NC NP
Disk II Net Net Net Net Net Net Net Net EH EI
Volume SN Msg Msg Msg Msg Msg Msg Msg Msg TN WN
Name KS Rate Rate Rate Rate Rate Rate Rate Rate G S
------- -- ------ ------ ------ ------ ------ ------ ------ -------- --
$AUDIT 4 5.960 8.370 2.530 .390 4
$DATA 3 53.180 4.050 3.150 +1 4
$DATA1 3 .410 -1 2
$SYSTEM 3 2.100 .910 .160 3
(1)
LOGICAL DISK VOLUME NAME: The name of each logical disk volume.
(2)
DISK PINS: The number of disk subprocesses configured for the volume at
the last SYSGEN.
(3)
Net Msg Rate: A measure of the workload handled by each subprocess.