我订购了一台新服务器,因为我必须换到性能更高的服务器。然而,这台新服务器简直糟透了。我尝试使用 fio 进行基准测试,结果如下。
[root@s206716 ~]# fio --filename=/var/lib/mysql/fio.tmp --size=1m --bs=512 --name=go --rw=write --fdatasync=1
go: (g=0): rw=write, bs=(R) 512B-512B, (W) 512B-512B, (T) 512B-512B, ioengine=psync, iodepth=1
fio-3.19
Starting 1 process
^Cbs: 1 (f=1): [W(1)][39.3%][w=3KiB/s][w=7 IOPS][eta 01m:08s]
fio: terminating on signal 2
go: (groupid=0, jobs=1): err= 0: pid=108048: Thu Apr 20 18:32:15 2023
write: IOPS=18, BW=9401B/s (9401B/s)(397KiB/43242msec); 0 zone resets
clat (usec): min=5, max=126657, avg=951.49, stdev=9446.81
lat (usec): min=5, max=126658, avg=951.94, stdev=9446.80
clat percentiles (usec):
| 1.00th=[ 6], 5.00th=[ 6], 10.00th=[ 9], 20.00th=[ 10],
| 30.00th=[ 13], 40.00th=[ 14], 50.00th=[ 20], 60.00th=[ 22],
| 70.00th=[ 23], 80.00th=[ 25], 90.00th=[ 157], 95.00th=[ 297],
| 99.00th=[ 8094], 99.50th=[102237], 99.90th=[126354], 99.95th=[126354],
| 99.99th=[126354]
bw ( KiB/s): min= 2, max= 118, per=100.00%, avg= 9.21, stdev=20.45, samples=86
iops : min= 4, max= 236, avg=18.43, stdev=40.89, samples=86
lat (usec) : 10=24.43%, 20=30.23%, 50=32.75%, 250=6.55%, 500=3.02%
lat (usec) : 750=0.63%, 1000=0.76%
lat (msec) : 2=0.25%, 4=0.13%, 10=0.38%, 100=0.38%, 250=0.50%
fsync/fdatasync/sync_file_range:
sync (msec): min=2, max=233, avg=53.50, stdev=65.67
sync percentiles (msec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 68],
| 70.00th=[ 97], 80.00th=[ 107], 90.00th=[ 132], 95.00th=[ 199],
| 99.00th=[ 226], 99.50th=[ 228], 99.90th=[ 234], 99.95th=[ 234],
| 99.99th=[ 234]
cpu : usr=0.02%, sys=0.09%, ctx=2445, majf=0, minf=17
IO depths : 1=200.0%, 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=0,794,0,0 short=794,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
WRITE: bw=9401B/s (9401B/s), 9401B/s-9401B/s (9401B/s-9401B/s), io=397KiB (407kB), run=43242-43242msec
Disk stats (read/write):
dm-0: ios=104/2979, merge=0/0, ticks=971/141634, in_queue=142605, util=96.36%, aggrios=104/2973, aggrmerge=0/22, aggrticks=974/143011, aggrin_queue=143985, aggrutil=95.40%
sda: ios=104/2973, merge=0/22, ticks=974/143011, in_queue=143985, util=95.40%
我不知道为什么速度过程如此缓慢。这不是生产服务器。我刚刚导入了所有文件并进行了测试。所以,还没有流量。我已经要求提供商进行硬件测试,他们说没有问题。
我该怎么处理这个东西?我做了很多事情。比如尝试移动到我拥有的另一台服务器(低规格服务器),而且没有问题。但是,使用这台高性能服务器甚至比其他服务器还要低。