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Write bandwidth

[kindr@nano8 projects.link]$ fio --name=write_bandwidth_test --filename=/mnt/projects/grp_202/kindr/test --filesize=2000G  --time_based --ramp_time=2s --runtime=1m  --ioengine=libaio --direct=0 --verify=0 --randrepeat=0 --bs=1M --iodepth=32 --rw=randwrite
write_bandwidth_test: (g=0): rw=randwrite, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=32
fio-3.1
Starting 1 process
write_bandwidth_test: Laying out IO file (1 file / 2048000MiB)
fio: native_fallocate call failed: Operation not supported
Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=490MiB/s][r=0,w=490 IOPS][eta 00m:00s]
write_bandwidth_test: (groupid=0, jobs=1): err= 0: pid=18556: Wed Jul 25 10:43:41 2018
  write: IOPS=455, BW=456MiB/s (478MB/s)(26.7GiB/60003msec)
    slat (usec): min=1094, max=236543, avg=2189.88, stdev=4388.83
    clat (usec): min=8, max=425501, avg=68070.66, stdev=30008.93
     lat (msec): min=3, max=427, avg=70.26, stdev=30.59
    clat percentiles (msec):
     |  1.00th=[   47],  5.00th=[   52], 10.00th=[   53], 20.00th=[   55],
     | 30.00th=[   56], 40.00th=[   58], 50.00th=[   60], 60.00th=[   63],
     | 70.00th=[   66], 80.00th=[   71], 90.00th=[   84], 95.00th=[  131],
     | 99.00th=[  184], 99.50th=[  222], 99.90th=[  418], 99.95th=[  422],
     | 99.99th=[  426]
   bw (  KiB/s): min=153082, max=652955, per=100.00%, avg=470188.13, stdev=94818.54, samples=120
   iops        : min=  149, max=  637, avg=458.71, stdev=92.60, samples=120
  lat (usec)   : 10=0.01%
  lat (msec)   : 4=0.01%, 10=0.01%, 20=0.02%, 50=3.53%, 100=90.16%
  lat (msec)   : 250=5.98%, 500=0.40%
  cpu          : usr=3.84%, sys=14.89%, ctx=27906, majf=0, minf=3038
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=103.4%, >=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=0.1%, 64=0.0%, >=64=0.0%
     issued rwt: total=0,27309,0, short=0,0,0, dropped=0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
  WRITE: bw=456MiB/s (478MB/s), 456MiB/s-456MiB/s (478MB/s-478MB/s), io=26.7GiB (28.7GB), run=60003-60003msec

Write IOPS

[kindr@nano8 projects.link]$ fio --name=write_iops_test --filename=/mnt/projects/grp_202/kindr/test1 --filesize=2000G   --time_based --ramp_time=2s --runtime=1m  --ioengine=libaio --direct=0 --verify=0 --randrepeat=0 --bs=4K --iodepth=64 --rw=randwrite
write_iops_test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.1
Starting 1 process
write_iops_test: Laying out IO file (1 file / 2048000MiB)
fio: native_fallocate call failed: Operation not supported
Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=9313KiB/s][r=0,w=2328 IOPS][eta 00m:00s]
write_iops_test: (groupid=0, jobs=1): err= 0: pid=25697: Wed Jul 25 10:50:35 2018
  write: IOPS=2323, BW=9298KiB/s (9521kB/s)(545MiB/60001msec)
    slat (usec): min=123, max=115243, avg=423.60, stdev=1272.53
    clat (usec): min=7, max=171943, avg=27109.88, stdev=11071.71
     lat (usec): min=1147, max=172299, avg=27534.34, stdev=11167.70
    clat percentiles (msec):
     |  1.00th=[   20],  5.00th=[   22], 10.00th=[   23], 20.00th=[   24],
     | 30.00th=[   25], 40.00th=[   26], 50.00th=[   26], 60.00th=[   27],
     | 70.00th=[   28], 80.00th=[   28], 90.00th=[   30], 95.00th=[   33],
     | 99.00th=[   80], 99.50th=[  127], 99.90th=[  133], 99.95th=[  146],
     | 99.99th=[  163]
   bw (  KiB/s): min= 6188, max=12248, per=100.00%, avg=9368.40, stdev=1169.87, samples=120
   iops        : min= 1547, max= 3062, avg=2341.74, stdev=292.46, samples=120
  lat (usec)   : 10=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%, 20=2.04%, 50=96.12%
  lat (msec)   : 100=0.92%, 250=0.95%
  cpu          : usr=1.89%, sys=9.31%, ctx=139786, majf=0, minf=3454
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=103.5%
     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=0.1%, >=64=0.0%
     issued rwt: total=0,139411,0, short=0,0,0, dropped=0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs):
  WRITE: bw=9298KiB/s (9521kB/s), 9298KiB/s-9298KiB/s (9521kB/s-9521kB/s), io=545MiB (571MB), run=60001-60001msec

Write latency

[kindr@nano8 projects.link]$ fio --name=write_latency_test --filename=/mnt/projects/grp_202/kindr/test2 --filesize=2000G  --time_based --ramp_time=2s --runtime=1m  --ioengine=libaio --direct=0 --verify=0 --randrepeat=0 --bs=4K --iodepth=4 --rw=randwrite
write_latency_test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4
fio-3.1
Starting 1 process
write_latency_test: Laying out IO file (1 file / 2048000MiB)
fio: native_fallocate call failed: Operation not supported
Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=9376KiB/s][r=0,w=2344 IOPS][eta 00m:00s]
write_latency_test: (groupid=0, jobs=1): err= 0: pid=26266: Wed Jul 25 10:58:34 2018
  write: IOPS=2319, BW=9276KiB/s (9499kB/s)(544MiB/60001msec)
    slat (usec): min=127, max=109715, avg=424.57, stdev=1227.60
    clat (usec): min=4, max=113436, avg=1295.70, stdev=2139.78
     lat (usec): min=442, max=114090, avg=1721.16, stdev=2476.65
    clat percentiles (usec):
     |  1.00th=[   775],  5.00th=[   898], 10.00th=[   971], 20.00th=[  1057],
     | 30.00th=[  1106], 40.00th=[  1172], 50.00th=[  1221], 60.00th=[  1270],
     | 70.00th=[  1319], 80.00th=[  1385], 90.00th=[  1500], 95.00th=[  1614],
     | 99.00th=[  2245], 99.50th=[  2966], 99.90th=[ 10159], 99.95th=[ 21627],
     | 99.99th=[102237]
   bw (  KiB/s): min= 5629, max=11214, per=100.00%, avg=9346.92, stdev=1072.46, samples=119
   iops        : min= 1407, max= 2803, avg=2336.46, stdev=268.10, samples=119
  lat (usec)   : 10=0.01%, 500=0.01%, 750=0.70%, 1000=12.56%
  lat (msec)   : 2=85.33%, 4=1.09%, 10=0.21%, 20=0.05%, 50=0.01%
  lat (msec)   : 250=0.04%
  cpu          : usr=1.87%, sys=9.31%, ctx=139633, majf=0, minf=1604
  IO depths    : 1=0.1%, 2=0.1%, 4=103.3%, 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 rwt: total=0,139144,0, short=0,0,0, dropped=0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=4
Run status group 0 (all jobs):
  WRITE: bw=9276KiB/s (9499kB/s), 9276KiB/s-9276KiB/s (9499kB/s-9499kB/s), io=544MiB (570MB), run=60001-60001msec

 

 

 

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