-------------------------------------------------------------
test 2.5.54 (as compared to
2.5.53) APPROXIMATE % change
-------------------------------------------------------------
rate (megabytes per second) 20% decrease
CPU % utilization 15% decrease
Average Latency 40% increase
Maximum latency 20+ % increase
CPU efficiency less than 15% decrease
-------------------------------------------------------------
Here are the complete results.
No size specified, using 252 MB
Unit information
================
File size = megabytes
Blk Size = bytes
Rate = megabytes per second
CPU% = percentage of CPU used during the test
Latency = milliseconds
Lat% = percent of requests that took longer than X seconds
CPU Eff = Rate divided by CPU% - throughput per cpu load
Sequential Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.54 252 4096 10 7.83 5.349% 14.620 1226.26 0.00000 0.00000 146
Random Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.54 252 4096 10 0.36 1.050% 305.312 1363.70 0.00000 0.00000 35
Sequential Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.54 252 4096 10 18.42 37.67% 4.242 10048.16 0.05000 0.00000 49
Random Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.54 252 4096 10 0.78 1.251% 2.243 1400.69 0.00000 0.00000 63
Regards,
Aniruddha Marathe
WIPRO Technologies, India
aniruddha.marathe@wipro.com
+91-80-5502001 to 2008 extn 5092
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