正文
申威下单盘SSD与四块盘RAID5的性能测试结果
背景
背景不在说了 申威服务器..
结论
天坑
做了raid写入性能下降明显.
充分怀疑驱动不行.
四快盘的raid5 跟单盘的读几乎没区别.
感觉这个设置太失败了.
总体的结果为:
读的情况合计都为 70k
但是写入的情况 RAID卡不足30K的IOPS
单盘可以达到 66k.
另外也加急验证了一把sysbench:
单盘比raid卡要好.
读的测试结果
| 测试项目 |
Raid卡 |
单SSD盘 |
| read128k |
8801 |
3914 |
| randread128k |
2575 |
2768 |
| read16k |
13800 |
13600 |
| randread16k |
5331 |
6272 |
| read8k |
13300 |
14600 |
| randread8k |
6556 |
7411 |
| read1k |
14400 |
14400 |
| randread1k |
7425 |
8366 |
写的测试结果
| 测试项目 |
Raid卡 |
单SSD盘 |
| write128k |
1530 |
2586 |
| randwrite128k |
1172 |
2670 |
| write16k |
3528 |
8607 |
| randwrite16k |
2991 |
8623 |
| write8k |
4413 |
10500 |
| randwrite8k |
3729 |
10100 |
| write1k |
5692 |
11900 |
| randwrite1k |
4189 |
11200 |
sysbench的测试结果
| 硬盘方式 |
测试结果 |
| Raid卡 |
1040 |
| 单盘SSD |
1114 |
性能测试-单盘SSD验证
write128k
write: IOPS=2586, BW=323MiB/s (339MB/s)(4096MiB/12669msec)
read128k
read: IOPS=3914, BW=489MiB/s (513MB/s)(4096MiB/8371msec)
randwrite128k
write: IOPS=2670, BW=334MiB/s (350MB/s)(4096MiB/12272msec)
randread128k
read: IOPS=2768, BW=346MiB/s (363MB/s)(4096MiB/11835msec)
write16k
write: IOPS=8607, BW=134MiB/s (141MB/s)(4035MiB/30001msec)
read16k
read: IOPS=13.6k, BW=213MiB/s (223MB/s)(4096MiB/19265msec)
randwrite16k
write: IOPS=8623, BW=135MiB/s (141MB/s)(4042MiB/30001msec)
randread16k
read: IOPS=6272, BW=98.0MiB/s (103MB/s)(2940MiB/30001msec)
write8k
write: IOPS=10.5k, BW=81.0MiB/s (85.0MB/s)(2460MiB/30001msec)
read8k
read: IOPS=14.6k, BW=114MiB/s (119MB/s)(3414MiB/30001msec)
randwrite8k
write: IOPS=10.1k, BW=78.9MiB/s (82.7MB/s)(2366MiB/30001msec)
randread8k
read: IOPS=7411, BW=57.9MiB/s (60.7MB/s)(1737MiB/30001msec)
write1k
write: IOPS=11.9k, BW=11.6MiB/s (12.1MB/s)(348MiB/30001msec)
read1k
read: IOPS=14.4k, BW=14.1MiB/s (14.8MB/s)(423MiB/30001msec)
randwrite1k
write: IOPS=11.2k, BW=10.9MiB/s (11.4MB/s)(327MiB/30001msec)
randread1k
read: IOPS=8366, BW=8366KiB/s (8567kB/s)(245MiB/30001msec)
性能测试-四SSD 9361 8i Raid5验证
write128k
write: IOPS=1530, BW=191MiB/s (201MB/s)(4096MiB/21414msec)
read128k
read: IOPS=8801, BW=1100MiB/s (1154MB/s)(4096MiB/3723msec)
randwrite128k
write: IOPS=1172, BW=147MiB/s (154MB/s)(4096MiB/27944msec)
randread128k
read: IOPS=2575, BW=322MiB/s (338MB/s)(4096MiB/12725msec)
write16k
write: IOPS=3528, BW=55.1MiB/s (57.8MB/s)(1654MiB/30001msec)
read16k
read: IOPS=13.8k, BW=215MiB/s (225MB/s)(4096MiB/19056msec)
randwrite16k
write: IOPS=2991, BW=46.7MiB/s (49.0MB/s)(1402MiB/30001msec)
randread16k
read: IOPS=5331, BW=83.3MiB/s (87.4MB/s)(2499MiB/30001msec)
write8k
write: IOPS=4413, BW=34.5MiB/s (36.2MB/s)(1034MiB/30001msec)
read8k
read: IOPS=13.3k, BW=104MiB/s (109MB/s)(3124MiB/30001msec)
randwrite8k
write: IOPS=3729, BW=29.1MiB/s (30.6MB/s)(874MiB/30001msec)
randread8k
read: IOPS=6556, BW=51.2MiB/s (53.7MB/s)(1537MiB/30001msec)
write1k
write: IOPS=5692, BW=5692KiB/s (5829kB/s)(167MiB/30001msec)
read1k
read: IOPS=14.4k, BW=14.1MiB/s (14.8MB/s)(423MiB/30001msec)
randwrite1k
write: IOPS=4189, BW=4189KiB/s (4290kB/s)(123MiB/30001msec)
randread1k
read: IOPS=7425, BW=7426KiB/s (7604kB/s)(218MiB/30001msec)
单盘SSD的sysbench
SQL statistics:
queries performed:
read: 936796
write: 267656
other: 133828
total: 1338280
transactions: 66914 (1114.91 per sec.)
queries: 1338280 (22298.23 per sec.)
ignored errors: 0 (0.00 per sec.)
reconnects: 0 (0.00 per sec.)
General statistics:
total time: 60.0116s
total number of events: 66914
Latency (ms):
min: 7.76
avg: 8.96
max: 160.74
99th percentile: 14.21
sum: 599690.88
Threads fairness:
events (avg/stddev): 6691.4000/68.50
execution time (avg/stddev): 59.9691/0.00
Raid卡 四块SSD的 sysbench
SQL statistics:
queries performed:
read: 1748964
write: 499698
other: 249854
total: 2498516
transactions: 124924 (1040.88 per sec.)
queries: 2498516 (20817.94 per sec.)
ignored errors: 2 (0.02 per sec.)
reconnects: 0 (0.00 per sec.)
General statistics:
total time: 120.0118s
total number of events: 124924
Latency (ms):
min: 8.02
avg: 9.60
max: 176.96
99th percentile: 19.29
sum: 1199283.15
Threads fairness:
events (avg/stddev): 12492.4000/82.12
execution time (avg/stddev): 119.9283/0.00
