task1: (g=0): rw=randread, bs=(R) 256KiB-256KiB, (W) 256KiB-256KiB, (T) 256KiB-256KiB, ioengine=libaio, iodepth=4 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=15505: Sat Jul 20 22:42:36 2024 read: IOPS=11.0k, BW=2751MiB/s (2885MB/s)(80.6GiB/30001msec) slat (nsec): min=9867, max=236292, avg=12149.36, stdev=968.14 clat (usec): min=184, max=1899, avg=350.94, stdev= 9.75 lat (usec): min=255, max=1910, avg=363.09, stdev= 9.84 clat percentiles (usec): | 1.00th=[ 347], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 351], 60.00th=[ 351], | 70.00th=[ 351], 80.00th=[ 351], 90.00th=[ 351], 95.00th=[ 355], | 99.00th=[ 355], 99.50th=[ 359], 99.90th=[ 461], 99.95th=[ 490], | 99.99th=[ 652] bw ( MiB/s): min= 2739, max= 2754, per=100.00%, avg=2751.77, stdev= 2.61, samples=59 iops : min=10958, max=11016, avg=11007.08, stdev=10.42, samples=59 lat (usec) : 250=0.01%, 500=99.96%, 750=0.04%, 1000=0.01% lat (msec) : 2=0.01% cpu : usr=1.06%, sys=14.67%, ctx=330163, majf=0, minf=264 IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 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=330174,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=4 Run status group 0 (all jobs): READ: bw=2751MiB/s (2885MB/s), 2751MiB/s-2751MiB/s (2885MB/s-2885MB/s), io=80.6GiB (86.6GB), run=30001-30001msec