-------------------------------------------------------------
test 2.5.56 (as compared to
2.5.55) APPROXIMATE % change
-------------------------------------------------------------
rate (megabytes per second) no much change
CPU % utilization less than 5% change
Average Latency less than 5% decrease
Maximum latency less than 5% increase
CPU efficiency 5-10% decrease
-------------------------------------------------------------
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
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 9.42 5.755% 10.404 1371.29 0.00000 0.00000 164
Random Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 0.53 0.871% 195.144 756.86 0.00000 0.00000 60
Sequential Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 17.81 29.78% 3.704 23828.73 0.06562 0.00000 60
Random Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.56 252 4096 10 0.78 1.015% 1.188 1933.62 0.00000 0.00000 77
Aniruddha Marathe
WIPRO Technologies, India
aniruddha.marathe@wipro.com
+91-80-5502001 to 2008 extn 5092
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