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Created May 1, 2009 08:31
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root@r4-8-a20:/var/lib/mysql/data# tiobench --size 32768 --threads 1 --threads 4 --threads 8
Run #1: /usr/bin/tiotest -t 8 -f 4096 -r 500 -b 4096 -d . -TTT
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
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.6.29.1-wikia 32768 4096 1 501.26 41.92% 0.008 9.89 0.00000 0.00000 1195
2.6.29.1-wikia 32768 4096 4 582.76 194.7% 0.027 15.89 0.00000 0.00000 299
2.6.29.1-wikia 32768 4096 8 580.95 408.3% 0.054 25.36 0.00000 0.00000 142
Random Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.6.29.1-wikia 32768 4096 1 31.13 11.95% 0.125 9.63 0.00000 0.00000 260
2.6.29.1-wikia 32768 4096 4 74.50 122.0% 0.197 0.82 0.00000 0.00000 61
2.6.29.1-wikia 32768 4096 8 148.74 251.3% 0.201 0.83 0.00000 0.00000 59
Sequential Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.6.29.1-wikia 32768 4096 1 195.33 24.16% 0.019 654.19 0.00000 0.00000 808
2.6.29.1-wikia 32768 4096 4 193.72 110.5% 0.074 29513.60 0.00002 0.00001 175
2.6.29.1-wikia 32768 4096 8 192.86 215.2% 0.148 20598.71 0.00008 0.00004 90
Random Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.6.29.1-wikia 32768 4096 1 129.42 43.07% 0.004 0.02 0.00000 0.00000 300
2.6.29.1-wikia 32768 4096 4 156.59 228.5% 0.006 0.13 0.00000 0.00000 69
2.6.29.1-wikia 32768 4096 8 125.19 307.6% 0.008 1.61 0.00000 0.00000 41
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