FIO的再学习-不同Raid性能验证


背景

发现自己对iodepth的和num_jobs的理解存在偏差
找了一些资料才发现自己很多地方做的不对.
这里找到一个新资料可以进行模拟数据库的测试

测试配置文件

# R/W: 8/2
# ThreadPool Num: 64
# IO ThreadNum: 32 [global]
runtime=120
time_based
group_reporting
directory=/fiotest
refill_buffers [innodb-trxlog]
filename=test-innodb.log
bsrange=512-2048
ioengine=sync
rw=write
size=2G
fsync=1
overwrite=1
rate_iops=64
invalidate=1
numjobs=64 [mysql-binlog]
filename=test-mysql-bin.log
bsrange=512-1024
ioengine=sync
rw=write
size=12G
sync=1
rw=write
overwrite=1
fsync=100
rate_iops=64
invalidate=1
numjobs=64 [innodb-data]
filename=test-innodb.dat
bs=16K
ioengine=psync
rw=randrw
size=20G
direct=1
rwmixread=80
numjobs=32 #thinktime=600
#thinktime_spin=200
#thinktime_blocks=2

鲲鹏下Raid卡的性能说明


测试方式

fio patch/to/mysql.conf

鲲鹏下Raid卡的性能说明

配置信息: SAS3508
内存: 2GB
设备类型:LSI SAS3508
RAID5 256KB条带 7.633TB容量
Write back 等写策略
8块 硬盘 SAS 1.2TB 10Krpm
希捷: ST1200MM0009

测试结果验证

Raid卡配置 读IOPS 写IOPS
Write through 1972 498
Write back 2185 6976
Write back enable disk cache 2232 6932

不同Raid级别的验证

Raid卡配置 读IOPS 写IOPS
8块SSD Raid5 45.7k 15.1k
12块SSD Raid10 80.5k 26.5k
8块10k HDD Raid5 2.2k 6.9k

华为的BMC配置界面

  • 注意华为的服务器可以直接在线修改raid卡的设置不需要重启
  • 浪潮的服务器需要在bios界面中进行修改. 我验证了下好像修改还存在问题. 性能测试结果不是很正常.

12块盘RAID10 SSD的测试结果为:

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=19168: Mon Jun 26 13:55:14 2023
read: IOPS=80.5k, BW=1258MiB/s (1319MB/s)(147GiB/120002msec)
clat (usec): min=81, max=4071, avg=336.16, stdev=114.42
lat (usec): min=81, max=4071, avg=336.21, stdev=114.42
clat percentiles (usec):
| 1.00th=[ 184], 5.00th=[ 206], 10.00th=[ 223], 20.00th=[ 245],
| 30.00th=[ 269], 40.00th=[ 289], 50.00th=[ 314], 60.00th=[ 338],
| 70.00th=[ 371], 80.00th=[ 412], 90.00th=[ 478], 95.00th=[ 545],
| 99.00th=[ 693], 99.50th=[ 766], 99.90th=[ 996], 99.95th=[ 1254],
| 99.99th=[ 2311]
bw ( KiB/s): min=34368, max=42400, per=3.12%, avg=40245.47, stdev=781.54, samples=7653
iops : min= 2148, max= 2650, avg=2515.31, stdev=48.84, samples=7653
write: IOPS=26.5k, BW=318MiB/s (334MB/s)(37.3GiB/120032msec)
clat (nsec): min=1737, max=21641k, avg=874824.91, stdev=1517747.37
lat (nsec): min=1818, max=21641k, avg=874909.49, stdev=1517778.19
clat percentiles (usec):
| 1.00th=[ 60], 5.00th=[ 135], 10.00th=[ 151], 20.00th=[ 176],
| 30.00th=[ 200], 40.00th=[ 225], 50.00th=[ 253], 60.00th=[ 289],
| 70.00th=[ 351], 80.00th=[ 873], 90.00th=[ 3032], 95.00th=[ 4686],
| 99.00th=[ 6521], 99.50th=[ 7177], 99.90th=[10290], 99.95th=[12256],
| 99.99th=[16057]
bw ( KiB/s): min= 28, max=12160, per=0.62%, avg=2033.61, stdev=4015.57, samples=38329
iops : min= 24, max= 760, avg=165.67, stdev=232.07, samples=38329
lat (usec) : 2=0.01%, 4=0.06%, 10=0.14%, 20=0.02%, 50=0.02%
lat (usec) : 100=0.04%, 250=28.44%, 500=59.71%, 750=6.01%, 1000=0.68%
lat (msec) : 2=1.32%, 4=1.85%, 10=1.67%, 20=0.03%, 50=0.01%
fsync/fdatasync/sync_file_range:
sync (nsec): min=1170, max=5787.9k, avg=680462.27, stdev=346724.54
sync percentiles (usec):
| 1.00th=[ 202], 5.00th=[ 285], 10.00th=[ 334], 20.00th=[ 412],
| 30.00th=[ 478], 40.00th=[ 545], 50.00th=[ 611], 60.00th=[ 685],
| 70.00th=[ 783], 80.00th=[ 898], 90.00th=[ 1090], 95.00th=[ 1303],
| 99.00th=[ 1893], 99.50th=[ 2180], 99.90th=[ 2933], 99.95th=[ 3294],
| 99.99th=[ 4424]
cpu : usr=0.24%, sys=1.79%, ctx=17381473, majf=0, minf=4971
IO depths : 1=102.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=9659384,3185632,0,285399 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=1258MiB/s (1319MB/s), 1258MiB/s-1258MiB/s (1319MB/s-1319MB/s), io=147GiB (158GB), run=120002-120002msec
WRITE: bw=318MiB/s (334MB/s), 318MiB/s-318MiB/s (334MB/s-334MB/s), io=37.3GiB (40.1GB), run=120032-120032msec Disk stats (read/write):
dm-0: ios=9660460/3275091, merge=0/0, ticks=3119334/703370, in_queue=3879614, util=100.00%, aggrios=9667470/3277750, aggrmerge=0/112, aggrticks=3119830/702969, aggrin_queue=3836192, aggrutil=100.00%
sda: ios=9667470/3277750, merge=0/112, ticks=3119830/702969, in_queue=3836192, util=100.00%

八块盘Raid5 的结果为

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=3349911: Mon Jun 26 14:05:22 2023
read: IOPS=45.7k, BW=714MiB/s (749MB/s)(83.7GiB/120002msec)
clat (usec): min=68, max=15400, avg=462.16, stdev=379.33
lat (usec): min=68, max=15400, avg=462.27, stdev=379.34
clat percentiles (usec):
| 1.00th=[ 159], 5.00th=[ 184], 10.00th=[ 204], 20.00th=[ 237],
| 30.00th=[ 269], 40.00th=[ 306], 50.00th=[ 347], 60.00th=[ 396],
| 70.00th=[ 461], 80.00th=[ 570], 90.00th=[ 824], 95.00th=[ 1205],
| 99.00th=[ 2147], 99.50th=[ 2507], 99.90th=[ 3195], 99.95th=[ 3458],
| 99.99th=[ 4113]
bw ( KiB/s): min=444651, max=1057870, per=99.99%, avg=730974.33, stdev=5257.83, samples=7616
iops : min=27777, max=66094, avg=45672.03, stdev=328.64, samples=7616
write: IOPS=15.1k, BW=182MiB/s (191MB/s)(21.3GiB/120047msec); 0 zone resets
clat (nsec): min=1652, max=286234k, avg=6657898.82, stdev=13742171.43
lat (nsec): min=1764, max=286235k, avg=6658109.58, stdev=13742230.93
clat percentiles (usec):
| 1.00th=[ 23], 5.00th=[ 396], 10.00th=[ 453], 20.00th=[ 537],
| 30.00th=[ 619], 40.00th=[ 709], 50.00th=[ 832], 60.00th=[ 1057],
| 70.00th=[ 1696], 80.00th=[ 5014], 90.00th=[ 28181], 95.00th=[ 36439],
| 99.00th=[ 59507], 99.50th=[ 68682], 99.90th=[ 93848], 99.95th=[114820],
| 99.99th=[185598]
bw ( KiB/s): min=107089, max=280602, per=99.96%, avg=186070.58, stdev=598.45, samples=38080
iops : min= 7764, max=23201, avg=14992.59, stdev=37.86, samples=38080
lat (usec) : 2=0.01%, 4=0.01%, 10=0.08%, 20=0.14%, 50=0.07%
lat (usec) : 100=0.01%, 250=18.07%, 500=41.23%, 750=17.55%, 1000=7.23%
lat (msec) : 2=7.68%, 4=2.62%, 10=1.05%, 20=0.59%, 50=3.18%
lat (msec) : 100=0.46%, 250=0.02%, 500=0.01%
fsync/fdatasync/sync_file_range:
sync (usec): min=2, max=411881, avg=2104.76, stdev=3465.30
sync percentiles (usec):
| 1.00th=[ 416], 5.00th=[ 594], 10.00th=[ 701], 20.00th=[ 865],
| 30.00th=[ 1012], 40.00th=[ 1188], 50.00th=[ 1385], 60.00th=[ 1631],
| 70.00th=[ 1958], 80.00th=[ 2474], 90.00th=[ 3785], 95.00th=[ 5604],
| 99.00th=[ 12387], 99.50th=[ 17957], 99.90th=[ 47449], 99.95th=[ 63177],
| 99.99th=[101188]
cpu : usr=0.13%, sys=0.60%, ctx=9090894, majf=0, minf=2337
IO depths : 1=102.7%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=5482753,1814540,0,198984 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=714MiB/s (749MB/s), 714MiB/s-714MiB/s (749MB/s-749MB/s), io=83.7GiB (89.8GB), run=120002-120002msec
WRITE: bw=182MiB/s (191MB/s), 182MiB/s-182MiB/s (191MB/s-191MB/s), io=21.3GiB (22.9GB), run=120047-120047msec Disk stats (read/write):
dm-2: ios=5474810/1862492, merge=0/0, ticks=2473069/2652106, in_queue=5125175, util=99.96%, aggrios=5502046/1930566, aggrmerge=261/6520, aggrticks=2488430/2851668, aggrin_queue=5340099, aggrutil=99.96%
sda: ios=5502046/1930566, merge=261/6520, ticks=2488430/2851668, in_queue=5340099, util=99.96%

鲲鹏 8块1.2T HDD raid5 (write back)

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=302295: Mon Jun 26 14:10:12 2023
read: IOPS=2241, BW=35.0MiB/s (36.7MB/s)(4203MiB/120021msec)
clat (usec): min=27, max=1504.3k, avg=14220.39, stdev=33655.76
lat (usec): min=27, max=1504.3k, avg=14220.55, stdev=33655.76
clat percentiles (usec):
| 1.00th=[ 36], 5.00th=[ 1401], 10.00th=[ 2147], 20.00th=[ 3490],
| 30.00th=[ 4686], 40.00th=[ 5800], 50.00th=[ 6915], 60.00th=[ 8979],
| 70.00th=[ 11469], 80.00th=[ 15795], 90.00th=[ 25560], 95.00th=[ 40633],
| 99.00th=[147850], 99.50th=[221250], 99.90th=[446694], 99.95th=[549454],
| 99.99th=[876610]
bw ( KiB/s): min= 31, max= 2592, per=3.16%, avg=1131.76, stdev=724.80, samples=7603
iops : min= 1, max= 162, avg=70.69, stdev=45.31, samples=7603
write: IOPS=6989, BW=12.8MiB/s (13.4MB/s)(1532MiB/120032msec)
clat (nsec): min=1700, max=917451k, avg=1934473.82, stdev=12258242.35
lat (nsec): min=1890, max=917451k, avg=1934709.17, stdev=12258242.07
clat percentiles (usec):
| 1.00th=[ 5], 5.00th=[ 7], 10.00th=[ 37], 20.00th=[ 112],
| 30.00th=[ 293], 40.00th=[ 537], 50.00th=[ 906], 60.00th=[ 1450],
| 70.00th=[ 1827], 80.00th=[ 2311], 90.00th=[ 2900], 95.00th=[ 4080],
| 99.00th=[ 8848], 99.50th=[ 34341], 99.90th=[139461], 99.95th=[229639],
| 99.99th=[574620]
bw ( KiB/s): min= 7, max= 1056, per=0.64%, avg=83.59, stdev=137.92, samples=37492
iops : min= 1, max= 110, avg=44.65, stdev=18.72, samples=37492
lat (usec) : 2=0.01%, 4=0.75%, 10=4.16%, 20=0.72%, 50=5.44%
lat (usec) : 100=4.37%, 250=6.45%, 500=8.22%, 750=5.95%, 1000=3.94%
lat (msec) : 2=18.04%, 4=19.59%, 10=12.97%, 20=5.36%, 50=2.83%
lat (msec) : 100=0.66%, 250=0.41%, 500=0.10%, 750=0.02%, 1000=0.01%
fsync/fdatasync/sync_file_range:
sync (nsec): min=990, max=100194k, avg=185808.60, stdev=373956.00
sync percentiles (usec):
| 1.00th=[ 55], 5.00th=[ 73], 10.00th=[ 87], 20.00th=[ 119],
| 30.00th=[ 133], 40.00th=[ 143], 50.00th=[ 151], 60.00th=[ 163],
| 70.00th=[ 194], 80.00th=[ 229], 90.00th=[ 285], 95.00th=[ 363],
| 99.00th=[ 766], 99.50th=[ 1057], 99.90th=[ 2057], 99.95th=[ 2573],
| 99.99th=[ 3032]
cpu : usr=0.04%, sys=0.27%, ctx=4245205, majf=0, minf=1136
IO depths : 1=125.8%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=268975,839013,0,285399 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=35.0MiB/s (36.7MB/s), 35.0MiB/s-35.0MiB/s (36.7MB/s-36.7MB/s), io=4203MiB (4407MB), run=120021-120021msec
WRITE: bw=12.8MiB/s (13.4MB/s), 12.8MiB/s-12.8MiB/s (13.4MB/s-13.4MB/s), io=1532MiB (1606MB), run=120032-120032msec Disk stats (read/write):
dm-0: ios=270740/770085, merge=0/0, ticks=3826990/58840, in_queue=3885830, util=99.67%, aggrios=270904/770460, aggrmerge=0/182, aggrticks=3832669/63246, aggrin_queue=2604470, aggrutil=99.65%
sda: ios=270904/770460, merge=0/182, ticks=3832669/63246, in_queue=2604470, util=99.65%

鲲鹏 8块1.2T HDD raid5 (write through)

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=1455700: Mon Jun 26 14:28:00 2023
read: IOPS=1972, BW=30.8MiB/s (32.3MB/s)(3700MiB/120072msec)
clat (usec): min=82, max=282886, avg=10274.05, stdev=11258.46
lat (usec): min=82, max=282886, avg=10274.19, stdev=11258.46
clat percentiles (usec):
| 1.00th=[ 1172], 5.00th=[ 1745], 10.00th=[ 2278], 20.00th=[ 3326],
| 30.00th=[ 4359], 40.00th=[ 5407], 50.00th=[ 6390], 60.00th=[ 8160],
| 70.00th=[ 10814], 80.00th=[ 14615], 90.00th=[ 22414], 95.00th=[ 31327],
| 99.00th=[ 56361], 99.50th=[ 67634], 99.90th=[101188], 99.95th=[114820],
| 99.99th=[152044]
bw ( KiB/s): min= 288, max= 1856, per=3.13%, avg=986.52, stdev=212.14, samples=7678
iops : min= 18, max= 116, avg=61.62, stdev=13.26, samples=7678
write: IOPS=498, BW=7851KiB/s (8039kB/s)(926MiB/120845msec)
clat (usec): min=9, max=31655k, avg=270620.34, stdev=2362223.42
lat (usec): min=9, max=31655k, avg=270620.47, stdev=2362223.44
clat percentiles (msec):
| 1.00th=[ 5], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13],
| 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 24],
| 70.00th=[ 28], 80.00th=[ 33], 90.00th=[ 45], 95.00th=[ 58],
| 99.00th=[12818], 99.50th=[17113], 99.90th=[17113], 99.95th=[17113],
| 99.99th=[17113]
bw ( KiB/s): min= 0, max= 512, per=2.81%, avg=220.72, stdev=102.73, samples=8591
iops : min= 1, max= 32, avg=13.96, stdev= 6.00, samples=8591
lat (usec) : 10=0.01%, 20=0.01%, 50=0.01%, 100=0.07%, 250=0.14%
lat (usec) : 500=0.03%, 750=0.02%, 1000=0.14%
lat (msec) : 2=5.53%, 4=15.37%, 10=34.20%, 20=24.74%, 50=17.10%
lat (msec) : 100=2.20%, 250=0.17%, 500=0.01%, 750=0.01%, 1000=0.01%
fsync/fdatasync/sync_file_range:
sync (msec): min=30, max=2175, avg=914.03, stdev=463.71
sync percentiles (msec):
| 1.00th=[ 69], 5.00th=[ 224], 10.00th=[ 334], 20.00th=[ 489],
| 30.00th=[ 592], 40.00th=[ 735], 50.00th=[ 885], 60.00th=[ 1036],
| 70.00th=[ 1150], 80.00th=[ 1334], 90.00th=[ 1552], 95.00th=[ 1670],
| 99.00th=[ 2022], 99.50th=[ 2072], 99.90th=[ 2165], 99.95th=[ 2165],
| 99.99th=[ 2165]
cpu : usr=0.01%, sys=0.01%, ctx=303494, majf=0, minf=1193
IO depths : 1=100.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=236803,60298,0,524 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=30.8MiB/s (32.3MB/s), 30.8MiB/s-30.8MiB/s (32.3MB/s-32.3MB/s), io=3700MiB (3880MB), run=120072-120072msec
WRITE: bw=7851KiB/s (8039kB/s), 7851KiB/s-7851KiB/s (8039kB/s-8039kB/s), io=926MiB (971MB), run=120845-120845msec Disk stats (read/write):
dm-0: ios=236809/60734, merge=0/0, ticks=2431830/1618260, in_queue=4050090, util=99.71%, aggrios=236809/60705, aggrmerge=0/55, aggrticks=2431516/1613287, aggrin_queue=2657140, aggrutil=99.69%
sda: ios=236809/60705, merge=0/55, ticks=2431516/1613287, in_queue=2657140, util=99.69%

鲲鹏 8块1.2T HDD raid5 (write back+direct io + no disk cache)

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=1477293: Mon Jun 26 14:32:11 2023
read: IOPS=2185, BW=34.1MiB/s (35.8MB/s)(4098MiB/120026msec)
clat (usec): min=29, max=1423.1k, avg=14527.46, stdev=33170.85
lat (usec): min=30, max=1423.1k, avg=14527.61, stdev=33170.85
clat percentiles (usec):
| 1.00th=[ 46], 5.00th=[ 1532], 10.00th=[ 2147], 20.00th=[ 3261],
| 30.00th=[ 4359], 40.00th=[ 5473], 50.00th=[ 6521], 60.00th=[ 8717],
| 70.00th=[ 11600], 80.00th=[ 16450], 90.00th=[ 27132], 95.00th=[ 43779],
| 99.00th=[156238], 99.50th=[227541], 99.90th=[413139], 99.95th=[526386],
| 99.99th=[784335]
bw ( KiB/s): min= 31, max= 2656, per=3.15%, avg=1100.84, stdev=737.40, samples=7622
iops : min= 1, max= 166, avg=68.75, stdev=46.09, samples=7622
write: IOPS=6976, BW=12.6MiB/s (13.2MB/s)(1507MiB/120032msec)
clat (nsec): min=1850, max=1390.3M, avg=2069893.13, stdev=16192105.74
lat (nsec): min=1970, max=1390.3M, avg=2070098.30, stdev=16192104.65
clat percentiles (usec):
| 1.00th=[ 6], 5.00th=[ 34], 10.00th=[ 48], 20.00th=[ 206],
| 30.00th=[ 404], 40.00th=[ 627], 50.00th=[ 848], 60.00th=[ 1205],
| 70.00th=[ 1565], 80.00th=[ 2089], 90.00th=[ 2868], 95.00th=[ 4359],
| 99.00th=[ 11863], 99.50th=[ 30802], 99.90th=[219153], 99.95th=[295699],
| 99.99th=[683672]
bw ( KiB/s): min= 6, max= 992, per=0.64%, avg=82.70, stdev=136.87, samples=37264
iops : min= 1, max= 178, avg=44.82, stdev=19.86, samples=37264
lat (usec) : 2=0.01%, 4=0.28%, 10=2.00%, 20=0.68%, 50=5.14%
lat (usec) : 100=3.56%, 250=6.55%, 500=8.35%, 750=8.79%, 1000=7.06%
lat (msec) : 2=19.66%, 4=15.83%, 10=12.83%, 20=5.05%, 50=2.96%
lat (msec) : 100=0.65%, 250=0.45%, 500=0.12%, 750=0.03%, 1000=0.01%
fsync/fdatasync/sync_file_range:
sync (nsec): min=1000, max=277945k, avg=198556.84, stdev=866895.51
sync percentiles (usec):
| 1.00th=[ 62], 5.00th=[ 85], 10.00th=[ 109], 20.00th=[ 126],
| 30.00th=[ 137], 40.00th=[ 147], 50.00th=[ 155], 60.00th=[ 174],
| 70.00th=[ 208], 80.00th=[ 241], 90.00th=[ 302], 95.00th=[ 371],
| 99.00th=[ 570], 99.50th=[ 1029], 99.90th=[ 2540], 99.95th=[ 2835],
| 99.99th=[11207]
cpu : usr=0.03%, sys=0.25%, ctx=4292295, majf=0, minf=1002
IO depths : 1=126.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=262275,837396,0,285399 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=34.1MiB/s (35.8MB/s), 34.1MiB/s-34.1MiB/s (35.8MB/s-35.8MB/s), io=4098MiB (4297MB), run=120026-120026msec
WRITE: bw=12.6MiB/s (13.2MB/s), 12.6MiB/s-12.6MiB/s (13.2MB/s-13.2MB/s), io=1507MiB (1580MB), run=120032-120032msec Disk stats (read/write):
dm-0: ios=263736/757311, merge=0/0, ticks=3813920/70820, in_queue=3884740, util=99.76%, aggrios=264200/758124, aggrmerge=0/257, aggrticks=3820039/76217, aggrin_queue=2659180, aggrutil=99.74%
sda: ios=264200/758124, merge=0/257, ticks=3820039/76217, in_queue=2659180, util=99.74%

鲲鹏 8块1.2T HDD raid5 (write back+cache io + no disk cache)

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=1501287: Mon Jun 26 14:36:49 2023
read: IOPS=2191, BW=34.2MiB/s (35.9MB/s)(4110MiB/120041msec)
clat (usec): min=28, max=1318.2k, avg=14510.05, stdev=34303.84
lat (usec): min=28, max=1318.2k, avg=14510.20, stdev=34303.84
clat percentiles (usec):
| 1.00th=[ 40], 5.00th=[ 1500], 10.00th=[ 2114], 20.00th=[ 3228],
| 30.00th=[ 4359], 40.00th=[ 5473], 50.00th=[ 6521], 60.00th=[ 8717],
| 70.00th=[ 11600], 80.00th=[ 16319], 90.00th=[ 26608], 95.00th=[ 42730],
| 99.00th=[158335], 99.50th=[235930], 99.90th=[446694], 99.95th=[549454],
| 99.99th=[834667]
bw ( KiB/s): min= 31, max= 2560, per=3.16%, avg=1106.45, stdev=741.17, samples=7604
iops : min= 1, max= 160, avg=69.11, stdev=46.33, samples=7604
write: IOPS=6977, BW=12.6MiB/s (13.2MB/s)(1509MiB/120041msec)
clat (nsec): min=1800, max=978028k, avg=2261211.40, stdev=11157179.78
lat (nsec): min=1940, max=978028k, avg=2261416.15, stdev=11157179.26
clat percentiles (usec):
| 1.00th=[ 8], 5.00th=[ 36], 10.00th=[ 60], 20.00th=[ 334],
| 30.00th=[ 734], 40.00th=[ 1074], 50.00th=[ 1434], 60.00th=[ 1893],
| 70.00th=[ 2442], 80.00th=[ 2966], 90.00th=[ 3458], 95.00th=[ 4424],
| 99.00th=[ 11076], 99.50th=[ 32637], 99.90th=[132645], 99.95th=[187696],
| 99.99th=[408945]
bw ( KiB/s): min= 7, max= 960, per=0.64%, avg=82.30, stdev=137.38, samples=37513
iops : min= 1, max= 114, avg=44.55, stdev=18.71, samples=37513
lat (usec) : 2=0.01%, 4=0.12%, 10=1.38%, 20=0.76%, 50=4.93%
lat (usec) : 100=2.84%, 250=3.82%, 500=5.01%, 750=4.95%, 1000=5.52%
lat (msec) : 2=20.11%, 4=27.97%, 10=13.34%, 20=5.09%, 50=2.98%
lat (msec) : 100=0.67%, 250=0.41%, 500=0.10%, 750=0.01%, 1000=0.01%
fsync/fdatasync/sync_file_range:
sync (nsec): min=1040, max=159656k, avg=208481.78, stdev=666477.05
sync percentiles (usec):
| 1.00th=[ 68], 5.00th=[ 94], 10.00th=[ 115], 20.00th=[ 133],
| 30.00th=[ 143], 40.00th=[ 149], 50.00th=[ 159], 60.00th=[ 176],
| 70.00th=[ 217], 80.00th=[ 249], 90.00th=[ 318], 95.00th=[ 396],
| 99.00th=[ 627], 99.50th=[ 1205], 99.90th=[ 2704], 99.95th=[ 2900],
| 99.99th=[17695]
cpu : usr=0.06%, sys=0.27%, ctx=4375889, majf=0, minf=1002
IO depths : 1=125.9%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=263033,837539,0,285399 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=34.2MiB/s (35.9MB/s), 34.2MiB/s-34.2MiB/s (35.9MB/s-35.9MB/s), io=4110MiB (4310MB), run=120041-120041msec
WRITE: bw=12.6MiB/s (13.2MB/s), 12.6MiB/s-12.6MiB/s (13.2MB/s-13.2MB/s), io=1509MiB (1583MB), run=120041-120041msec Disk stats (read/write):
dm-0: ios=264337/765358, merge=0/0, ticks=3816800/65680, in_queue=3882480, util=99.85%, aggrios=264955/766243, aggrmerge=0/213, aggrticks=3822876/71015, aggrin_queue=2657900, aggrutil=99.85%
sda: ios=264955/766243, merge=0/213, ticks=3822876/71015, in_queue=2657900, util=99.85%


鲲鹏 8块1.2T HDD raid5 (write back + cache io + enable disk cache + Read ahead)

innodb-trxlog: (groupid=0, jobs=160): err= 0: pid=1519318: Mon Jun 26 14:40:18 2023
read: IOPS=2232, BW=34.9MiB/s (36.6MB/s)(4224MiB/121077msec)
clat (usec): min=28, max=1658.1k, avg=14167.62, stdev=37311.51
lat (usec): min=28, max=1658.1k, avg=14167.77, stdev=37311.51
clat percentiles (usec):
| 1.00th=[ 40], 5.00th=[ 1516], 10.00th=[ 2147], 20.00th=[ 3326],
| 30.00th=[ 4424], 40.00th=[ 5538], 50.00th=[ 6587], 60.00th=[ 8455],
| 70.00th=[ 11076], 80.00th=[ 15270], 90.00th=[ 24249], 95.00th=[ 38011],
| 99.00th=[164627], 99.50th=[256902], 99.90th=[501220], 99.95th=[641729],
| 99.99th=[943719]
bw ( KiB/s): min= 31, max= 2624, per=3.20%, avg=1141.98, stdev=751.19, samples=7573
iops : min= 1, max= 164, avg=71.31, stdev=46.96, samples=7573
write: IOPS=6932, BW=12.7MiB/s (13.3MB/s)(1538MiB/121077msec)
clat (nsec): min=1520, max=1309.9M, avg=2552096.10, stdev=22269813.50
lat (nsec): min=1640, max=1309.9M, avg=2552301.84, stdev=22269811.90
clat percentiles (usec):
| 1.00th=[ 5], 5.00th=[ 10], 10.00th=[ 40],
| 20.00th=[ 117], 30.00th=[ 269], 40.00th=[ 545],
| 50.00th=[ 873], 60.00th=[ 1237], 70.00th=[ 1762],
| 80.00th=[ 2343], 90.00th=[ 3228], 95.00th=[ 4555],
| 99.00th=[ 22152], 99.50th=[ 57934], 99.90th=[ 198181],
| 99.95th=[ 526386], 99.99th=[1149240]
bw ( KiB/s): min= 2, max= 1088, per=0.66%, avg=85.24, stdev=141.79, samples=36917
iops : min= 1, max= 196, avg=45.37, stdev=20.55, samples=36917
lat (usec) : 2=0.01%, 4=0.75%, 10=3.23%, 20=0.65%, 50=5.23%
lat (usec) : 100=5.25%, 250=7.31%, 500=7.35%, 750=5.84%, 1000=5.46%
lat (msec) : 2=16.57%, 4=18.20%, 10=14.78%, 20=5.26%, 50=2.81%
lat (msec) : 100=0.64%, 250=0.46%, 500=0.13%, 750=0.04%, 1000=0.01%
fsync/fdatasync/sync_file_range:
sync (nsec): min=990, max=1305.8M, avg=193673.42, stdev=3519837.34
sync percentiles (usec):
| 1.00th=[ 57], 5.00th=[ 77], 10.00th=[ 92], 20.00th=[ 123],
| 30.00th=[ 135], 40.00th=[ 143], 50.00th=[ 151], 60.00th=[ 161],
| 70.00th=[ 196], 80.00th=[ 233], 90.00th=[ 289], 95.00th=[ 355],
| 99.00th=[ 482], 99.50th=[ 562], 99.90th=[ 2606], 99.95th=[ 2900],
| 99.99th=[ 5669]
cpu : usr=0.04%, sys=0.24%, ctx=4136917, majf=0, minf=1002
IO depths : 1=125.7%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=270336,839330,0,285325 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs):
READ: bw=34.9MiB/s (36.6MB/s), 34.9MiB/s-34.9MiB/s (36.6MB/s-36.6MB/s), io=4224MiB (4429MB), run=121077-121077msec
WRITE: bw=12.7MiB/s (13.3MB/s), 12.7MiB/s-12.7MiB/s (13.3MB/s-13.3MB/s), io=1538MiB (1613MB), run=121077-121077msec Disk stats (read/write):
dm-0: ios=272258/775885, merge=0/0, ticks=3842570/60820, in_queue=3903390, util=99.21%, aggrios=272258/775661, aggrmerge=0/235, aggrticks=3844979/62942, aggrin_queue=2622190, aggrutil=99.02%
sda: ios=272258/775661, merge=0/235, ticks=3844979/62942, in_queue=2622190, util=99.02%

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