write: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 randwrite: (g=1): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1 fio-3.39 Starting 2 processes write: (groupid=0, jobs=1): err= 0: pid=12418: Sat Apr 12 18:34:15 2025 write: IOPS=33.1k, BW=129MiB/s (136MB/s)(64.0MiB/495msec); 0 zone resets clat (usec): min=18, max=2971, avg=29.41, stdev=26.49 lat (usec): min=19, max=2972, avg=29.55, stdev=26.49 clat percentiles (usec): | 1.00th=[ 24], 5.00th=[ 26], 10.00th=[ 26], 20.00th=[ 27], | 30.00th=[ 27], 40.00th=[ 28], 50.00th=[ 28], 60.00th=[ 28], | 70.00th=[ 29], 80.00th=[ 31], 90.00th=[ 32], 95.00th=[ 32], | 99.00th=[ 118], 99.50th=[ 131], 99.90th=[ 208], 99.95th=[ 225], | 99.99th=[ 619] lat (usec) : 20=0.01%, 50=98.83%, 100=0.10%, 250=1.01%, 500=0.03% lat (usec) : 750=0.01% lat (msec) : 4=0.01% cpu : usr=3.04%, sys=36.44%, ctx=37026, majf=0, minf=6 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 rwts: total=0,16384,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 randwrite: (groupid=1, jobs=1): err= 0: pid=12423: Sat Apr 12 18:34:15 2025 write: IOPS=39.7k, BW=155MiB/s (162MB/s)(64.0MiB/413msec); 0 zone resets clat (usec): min=16, max=33415, avg=24.41, stdev=261.81 lat (usec): min=16, max=33415, avg=24.53, stdev=261.81 clat percentiles (usec): | 1.00th=[ 18], 5.00th=[ 22], 10.00th=[ 22], 20.00th=[ 23], | 30.00th=[ 23], 40.00th=[ 23], 50.00th=[ 23], 60.00th=[ 23], | 70.00th=[ 23], 80.00th=[ 23], 90.00th=[ 23], 95.00th=[ 23], | 99.00th=[ 25], 99.50th=[ 25], 99.90th=[ 28], 99.95th=[ 31], | 99.99th=[ 2835] lat (usec) : 20=3.01%, 50=96.97%, 250=0.01% lat (msec) : 4=0.01%, 50=0.01% cpu : usr=4.13%, sys=31.55%, ctx=16389, majf=0, minf=7 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 rwts: total=0,16384,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs): WRITE: bw=129MiB/s (136MB/s), 129MiB/s-129MiB/s (136MB/s-136MB/s), io=64.0MiB (67.1MB), run=495-495msec Run status group 1 (all jobs): WRITE: bw=155MiB/s (162MB/s), 155MiB/s-155MiB/s (162MB/s-162MB/s), io=64.0MiB (67.1MB), run=413-413msec