task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=8484: Sat Jul 20 21:20:28 2024 read: IOPS=51.2k, BW=200MiB/s (210MB/s)(6001MiB/30001msec) slat (nsec): min=1036, max=51884, avg=2315.40, stdev=617.92 clat (usec): min=582, max=8159, avg=1247.14, stdev=249.41 lat (usec): min=584, max=8161, avg=1249.46, stdev=249.40 clat percentiles (usec): | 1.00th=[ 799], 5.00th=[ 889], 10.00th=[ 947], 20.00th=[ 1037], | 30.00th=[ 1106], 40.00th=[ 1172], 50.00th=[ 1221], 60.00th=[ 1287], | 70.00th=[ 1352], 80.00th=[ 1434], 90.00th=[ 1565], 95.00th=[ 1680], | 99.00th=[ 1958], 99.50th=[ 2089], 99.90th=[ 2409], 99.95th=[ 2540], | 99.99th=[ 2966] bw ( KiB/s): min=179120, max=228048, per=100.00%, avg=205050.71, stdev=10787.58, samples=59 iops : min=44780, max=57012, avg=51262.71, stdev=2696.90, samples=59 lat (usec) : 750=0.24%, 1000=15.42% lat (msec) : 2=83.55%, 4=0.79%, 10=0.01% cpu : usr=3.43%, sys=14.40%, ctx=466956, majf=0, minf=73 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1%, >=64=0.0% issued rwts: total=1536331,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=200MiB/s (210MB/s), 200MiB/s-200MiB/s (210MB/s-210MB/s), io=6001MiB (6293MB), run=30001-30001msec