• fio 测试磁盘


    root@rook-test:/# ceph osd status
    +----+-----------------------------+-------+-------+--------+---------+--------+---------+----------------+
    | id |             host            |  used | avail | wr ops | wr data | rd ops | rd data |     state      |
    +----+-----------------------------+-------+-------+--------+---------+--------+---------+----------------+
    | 0  |  rook-ceph-osd-k8s-m3-gprhn | 2055M | 3348G |    0   |     0   |    0   |     0   |   exists,up    |
    | 1  |  rook-ceph-osd-k8s-n2-k86cz |    0  |    0  |    0   |     0   |    0   |     0   | autoout,exists |
    | 2  | rook-ceph-osd-ceph-t1-6c72x | 2055M | 7607M |    0   |     0   |    0   |     0   |   exists,up    |
    | 3  | rook-ceph-osd-ceph-t2-jqr6g | 2055M | 7607M |    0   |     0   |    0   |     0   |   exists,up    |
    | 4  | rook-ceph-osd-ceph-t3-rctg9 | 2055M | 7607M |    0   |     0   |    0   |     0   |   exists,up    |
    +----+-----------------------------+-------+-------+--------+---------+--------+---------+----------------+

    fio 测试容器在k8s-m3 上

    fio -filename=/data/test_randread -direct=1 -iodepth 1 -thread -rw=randread -ioengine=psync -bs=16k -size=500m -numjobs=10 -runtime=60 -group_reporting -name=test1

    test1: (g=0): rw=randread, bs=16K-16K/16K-16K/16K-16K, ioengine=psync, iodepth=1
    ...
    fio-2.1.11
    Starting 10 threads
    test1: Laying out IO file(s) (1 file(s) / 500MB)
    Jobs: 10 (f=10): [r(10)] [100.0% done] [21034KB/0KB/0KB /s] [1314/0/0 iops] [eta 00m:00s]
    test1: (groupid=0, jobs=10): err= 0: pid=119: Tue May  8 05:28:19 2018
      read : io=1910.2MB, bw=32575KB/s, iops=2035, runt= 60047msec
        clat (usec): min=250, max=85801, avg=4907.11, stdev=15717.35
         lat (usec): min=251, max=85813, avg=4907.44, stdev=15717.34
        clat percentiles (usec):
         |  1.00th=[  820],  5.00th=[  956], 10.00th=[ 1020], 20.00th=[ 1096],
         | 30.00th=[ 1176], 40.00th=[ 1240], 50.00th=[ 1304], 60.00th=[ 1384],
         | 70.00th=[ 1480], 80.00th=[ 1624], 90.00th=[ 1896], 95.00th=[ 2736],
         | 99.00th=[76288], 99.50th=[78336], 99.90th=[81408], 99.95th=[83456],
         | 99.99th=[85504]
        bw (KB  /s): min= 1842, max= 3904, per=10.03%, avg=3267.40, stdev=397.75
        lat (usec) : 500=0.16%, 750=0.43%, 1000=7.72%
        lat (msec) : 2=83.68%, 4=3.09%, 10=0.01%, 50=0.01%, 100=4.91%
      cpu          : usr=0.14%, sys=0.51%, ctx=122339, majf=0, minf=120
      IO depths    : 1=100.0%, 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    : total=r=122251/w=0/d=0, short=r=0/w=0/d=0
         latency   : target=0, window=0, percentile=100.00%, depth=1

    Run status group 0 (all jobs):
       READ: io=1910.2MB, aggrb=32574KB/s, minb=32574KB/s, maxb=32574KB/s, mint=60047msec, maxt=60047msec

    Disk stats (read/write):
      rbd1: ios=122051/8, merge=0/6, ticks=593825/1688, in_queue=595645, util=99.98%

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  • 原文地址:https://www.cnblogs.com/mhc-fly/p/9008030.html
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