== sanity test 398b: DIO and buffer IO race ============== 01:27:22 (1780810042) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 2.89873 s, 17.4 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=183174: Sun Jun 7 01:28:22 2026 read: IOPS=29, BW=117KiB/s (120kB/s)(5992KiB/51305msec) clat (usec): min=44, max=695367, avg=18375.56, stdev=20576.06 lat (usec): min=44, max=695367, avg=18376.23, stdev=20576.11 clat percentiles (usec): | 1.00th=[ 104], 5.00th=[ 6128], 10.00th=[ 8356], 20.00th=[ 10159], | 30.00th=[ 11731], 40.00th=[ 13698], 50.00th=[ 15664], 60.00th=[ 18220], | 70.00th=[ 21103], 80.00th=[ 24773], 90.00th=[ 30540], 95.00th=[ 36439], | 99.00th=[ 56361], 99.50th=[ 63701], 99.90th=[149947], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 14, max= 192, per=24.78%, avg=115.99, stdev=35.60, samples=102 iops : min= 3, max= 48, avg=28.56, stdev= 8.91, samples=102 write: IOPS=30, BW=123KiB/s (126kB/s)(6296KiB/51305msec); 0 zone resets clat (usec): min=780, max=108460, avg=14978.07, stdev=11723.24 lat (usec): min=780, max=108460, avg=14978.87, stdev=11723.31 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 2835], 10.00th=[ 3425], 20.00th=[ 4752], | 30.00th=[ 7046], 40.00th=[ 9896], 50.00th=[ 12256], 60.00th=[ 14746], | 70.00th=[ 18744], 80.00th=[ 23462], 90.00th=[ 30540], 95.00th=[ 35914], | 99.00th=[ 53216], 99.50th=[ 61080], 99.90th=[103285], 99.95th=[108528], | 99.99th=[108528] bw ( KiB/s): min= 31, max= 239, per=25.15%, avg=123.26, stdev=36.89, samples=101 iops : min= 7, max= 59, avg=30.38, stdev= 9.26, samples=101 lat (usec) : 50=0.03%, 100=0.39%, 250=1.24%, 500=0.07%, 1000=0.33% lat (msec) : 2=0.91%, 4=6.67%, 10=20.64%, 20=39.62%, 50=28.55% lat (msec) : 100=1.43%, 250=0.10%, 750=0.03% cpu : usr=0.08%, sys=29.22%, ctx=9620, majf=0, minf=17 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=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183176: Sun Jun 7 01:28:22 2026 read: IOPS=29, BW=117KiB/s (119kB/s)(5940KiB/50960msec) clat (usec): min=29, max=124362, avg=17839.36, stdev=10548.11 lat (usec): min=30, max=124363, avg=17842.15, stdev=10547.03 clat percentiles (usec): | 1.00th=[ 109], 5.00th=[ 6915], 10.00th=[ 8586], 20.00th=[ 10552], | 30.00th=[ 11994], 40.00th=[ 13960], 50.00th=[ 16188], 60.00th=[ 17957], | 70.00th=[ 20579], 80.00th=[ 23725], 90.00th=[ 29492], 95.00th=[ 35914], | 99.00th=[ 54264], 99.50th=[ 71828], 99.90th=[116917], 99.95th=[124257], | 99.99th=[124257] bw ( KiB/s): min= 7, max= 192, per=24.79%, avg=116.04, stdev=37.06, samples=101 iops : min= 1, max= 48, avg=28.56, stdev= 9.25, samples=101 write: IOPS=31, BW=125KiB/s (128kB/s)(6348KiB/50960msec); 0 zone resets clat (usec): min=811, max=693288, avg=15288.42, stdev=20351.89 lat (usec): min=811, max=693288, avg=15289.16, stdev=20351.92 clat percentiles (usec): | 1.00th=[ 1303], 5.00th=[ 3064], 10.00th=[ 3490], 20.00th=[ 4686], | 30.00th=[ 7177], 40.00th=[ 10159], 50.00th=[ 12387], 60.00th=[ 15139], | 70.00th=[ 18482], 80.00th=[ 22938], 90.00th=[ 29492], 95.00th=[ 35914], | 99.00th=[ 51119], 99.50th=[ 58459], 99.90th=[ 90702], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 47, max= 248, per=25.51%, avg=124.98, stdev=37.73, samples=100 iops : min= 11, max= 62, avg=30.80, stdev= 9.49, samples=100 lat (usec) : 50=0.07%, 100=0.33%, 250=1.27%, 500=0.03%, 1000=0.39% lat (msec) : 2=0.42%, 4=7.03%, 10=18.75%, 20=43.10%, 50=27.41% lat (msec) : 100=1.11%, 250=0.07%, 750=0.03% cpu : usr=0.11%, sys=29.46%, ctx=9537, majf=0, minf=18 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=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183179: Sun Jun 7 01:28:22 2026 read: IOPS=29, BW=118KiB/s (121kB/s)(6028KiB/51098msec) clat (usec): min=32, max=111812, avg=17772.96, stdev=10880.24 lat (usec): min=32, max=111813, avg=17774.27, stdev=10880.45 clat percentiles (usec): | 1.00th=[ 109], 5.00th=[ 6718], 10.00th=[ 8356], 20.00th=[ 10159], | 30.00th=[ 11731], 40.00th=[ 13566], 50.00th=[ 15401], 60.00th=[ 17957], | 70.00th=[ 20055], 80.00th=[ 23725], 90.00th=[ 30540], 95.00th=[ 37487], | 99.00th=[ 57410], 99.50th=[ 69731], 99.90th=[ 86508], 99.95th=[111674], | 99.99th=[111674] bw ( KiB/s): min= 55, max= 176, per=25.35%, avg=118.65, stdev=30.76, samples=100 iops : min= 13, max= 44, avg=29.22, stdev= 7.71, samples=100 write: IOPS=30, BW=123KiB/s (125kB/s)(6260KiB/51098msec); 0 zone resets clat (usec): min=813, max=693762, avg=15384.55, stdev=20737.26 lat (usec): min=814, max=693763, avg=15385.45, stdev=20737.27 clat percentiles (usec): | 1.00th=[ 1713], 5.00th=[ 3032], 10.00th=[ 3458], 20.00th=[ 4490], | 30.00th=[ 6652], 40.00th=[ 10028], 50.00th=[ 12256], 60.00th=[ 15270], | 70.00th=[ 19268], 80.00th=[ 23462], 90.00th=[ 30016], 95.00th=[ 35390], | 99.00th=[ 55313], 99.50th=[ 66847], 99.90th=[ 91751], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 23, max= 231, per=25.10%, avg=122.97, stdev=43.20, samples=100 iops : min= 5, max= 57, avg=30.30, stdev=10.82, samples=100 lat (usec) : 50=0.03%, 100=0.33%, 250=1.37%, 500=0.10%, 1000=0.13% lat (msec) : 2=0.65%, 4=7.29%, 10=19.86%, 20=40.89%, 50=27.83% lat (msec) : 100=1.46%, 250=0.03%, 750=0.03% cpu : usr=0.09%, sys=29.07%, ctx=9607, majf=0, minf=17 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=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183180: Sun Jun 7 01:28:22 2026 read: IOPS=29, BW=119KiB/s (121kB/s)(6052KiB/51067msec) clat (usec): min=31, max=83891, avg=17201.48, stdev=9575.69 lat (usec): min=31, max=83892, avg=17202.13, stdev=9575.73 clat percentiles (usec): | 1.00th=[ 103], 5.00th=[ 4817], 10.00th=[ 8455], 20.00th=[10159], | 30.00th=[11731], 40.00th=[13566], 50.00th=[15533], 60.00th=[17695], | 70.00th=[20055], 80.00th=[23725], 90.00th=[28967], 95.00th=[34866], | 99.00th=[47449], 99.50th=[51119], 99.90th=[77071], 99.95th=[84411], | 99.99th=[84411] bw ( KiB/s): min= 32, max= 192, per=25.40%, avg=118.89, stdev=34.07, samples=100 iops : min= 8, max= 48, avg=29.28, stdev= 8.53, samples=100 write: IOPS=30, BW=122KiB/s (125kB/s)(6236KiB/51067msec); 0 zone resets clat (usec): min=789, max=686463, avg=15941.46, stdev=20693.53 lat (usec): min=790, max=686464, avg=15943.16, stdev=20694.27 clat percentiles (usec): | 1.00th=[ 1467], 5.00th=[ 2966], 10.00th=[ 3523], 20.00th=[ 4817], | 30.00th=[ 7570], 40.00th=[ 10421], 50.00th=[ 13042], 60.00th=[ 16188], | 70.00th=[ 19268], 80.00th=[ 23725], 90.00th=[ 30802], 95.00th=[ 38536], | 99.00th=[ 54789], 99.50th=[ 71828], 99.90th=[ 85459], 99.95th=[683672], | 99.99th=[683672] bw ( KiB/s): min= 32, max= 223, per=25.06%, avg=122.80, stdev=37.35, samples=100 iops : min= 8, max= 55, avg=30.26, stdev= 9.33, samples=100 lat (usec) : 50=0.03%, 100=0.39%, 250=1.63%, 500=0.10%, 1000=0.23% lat (msec) : 2=0.68%, 4=7.06%, 10=18.65%, 20=41.67%, 50=28.52% lat (msec) : 100=1.01%, 750=0.03% cpu : usr=0.11%, sys=28.94%, ctx=9550, majf=0, minf=17 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=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=468KiB/s (479kB/s), 117KiB/s-119KiB/s (119kB/s-121kB/s), io=23.4MiB (24.6MB), run=50960-51305msec WRITE: bw=490KiB/s (502kB/s), 122KiB/s-125KiB/s (125kB/s-128kB/s), io=24.6MiB (25.7MB), run=50960-51305msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183173: Sun Jun 7 01:28:43 2026 read: IOPS=20, BW=83.1KiB/s (85.1kB/s)(5992KiB/72080msec) clat (msec): min=2, max=698, avg=14.45, stdev=22.31 lat (msec): min=2, max=698, avg=14.45, stdev=22.31 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 5], | 30.00th=[ 6], 40.00th=[ 6], 50.00th=[ 9], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 22], 90.00th=[ 33], 95.00th=[ 40], | 99.00th=[ 66], 99.50th=[ 82], 99.90th=[ 142], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 23, max= 200, per=25.08%, avg=83.27, stdev=44.41, samples=142 iops : min= 5, max= 50, avg=20.54, stdev=11.26, samples=142 write: IOPS=21, BW=87.3KiB/s (89.4kB/s)(6296KiB/72080msec); 0 zone resets clat (msec): min=13, max=153, avg=31.92, stdev=15.78 lat (msec): min=13, max=153, avg=31.92, stdev=15.78 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 17], 10.00th=[ 18], 20.00th=[ 21], | 30.00th=[ 23], 40.00th=[ 25], 50.00th=[ 28], 60.00th=[ 31], | 70.00th=[ 36], 80.00th=[ 43], 90.00th=[ 52], 95.00th=[ 60], | 99.00th=[ 91], 99.50th=[ 114], 99.90th=[ 153], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 24, max= 168, per=25.18%, avg=87.39, stdev=42.20, samples=142 iops : min= 6, max= 42, avg=21.56, stdev=10.72, samples=142 lat (msec) : 4=5.92%, 10=19.82%, 20=21.84%, 50=45.61%, 100=6.38% lat (msec) : 250=0.39%, 750=0.03% cpu : usr=0.07%, sys=11.04%, ctx=6137, majf=0, minf=14 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=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183175: Sun Jun 7 01:28:43 2026 read: IOPS=20, BW=82.1KiB/s (84.1kB/s)(5940KiB/72310msec) clat (msec): min=2, max=663, avg=14.32, stdev=21.93 lat (msec): min=2, max=663, avg=14.32, stdev=21.93 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 5], | 30.00th=[ 6], 40.00th=[ 6], 50.00th=[ 9], 60.00th=[ 13], | 70.00th=[ 16], 80.00th=[ 22], 90.00th=[ 31], 95.00th=[ 42], | 99.00th=[ 70], 99.50th=[ 88], 99.90th=[ 130], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 8, max= 224, per=24.86%, avg=82.53, stdev=47.74, samples=143 iops : min= 2, max= 56, avg=20.35, stdev=12.07, samples=143 write: IOPS=21, BW=87.8KiB/s (89.9kB/s)(6348KiB/72310msec); 0 zone resets clat (msec): min=11, max=157, avg=32.04, stdev=16.31 lat (msec): min=11, max=157, avg=32.04, stdev=16.31 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 17], 10.00th=[ 18], 20.00th=[ 20], | 30.00th=[ 22], 40.00th=[ 24], 50.00th=[ 27], 60.00th=[ 31], | 70.00th=[ 36], 80.00th=[ 43], 90.00th=[ 54], 95.00th=[ 63], | 99.00th=[ 93], 99.50th=[ 110], 99.90th=[ 153], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 24, max= 192, per=25.39%, avg=88.12, stdev=43.83, samples=143 iops : min= 6, max= 48, avg=21.75, stdev=11.13, samples=143 lat (msec) : 4=7.81%, 10=18.29%, 20=22.30%, 50=43.91%, 100=7.13% lat (msec) : 250=0.52%, 750=0.03% cpu : usr=0.06%, sys=11.08%, ctx=6074, majf=0, minf=16 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=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183177: Sun Jun 7 01:28:43 2026 read: IOPS=20, BW=83.4KiB/s (85.4kB/s)(6028KiB/72264msec) clat (msec): min=2, max=111, avg=14.71, stdev=15.05 lat (msec): min=2, max=111, avg=14.71, stdev=15.05 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 5], | 30.00th=[ 6], 40.00th=[ 6], 50.00th=[ 9], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 23], 90.00th=[ 34], 95.00th=[ 47], | 99.00th=[ 75], 99.50th=[ 84], 99.90th=[ 100], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 23, max= 232, per=25.28%, avg=83.92, stdev=45.51, samples=143 iops : min= 5, max= 58, avg=20.70, stdev=11.54, samples=143 write: IOPS=21, BW=86.6KiB/s (88.7kB/s)(6260KiB/72264msec); 0 zone resets clat (msec): min=13, max=679, avg=31.89, stdev=22.50 lat (msec): min=13, max=679, avg=31.89, stdev=22.50 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 17], 10.00th=[ 18], 20.00th=[ 20], | 30.00th=[ 22], 40.00th=[ 25], 50.00th=[ 27], 60.00th=[ 31], | 70.00th=[ 35], 80.00th=[ 42], 90.00th=[ 53], 95.00th=[ 60], | 99.00th=[ 88], 99.50th=[ 104], 99.90th=[ 171], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 31, max= 184, per=25.09%, avg=87.06, stdev=44.02, samples=143 iops : min= 7, max= 46, avg=21.48, stdev=11.17, samples=143 lat (msec) : 4=7.00%, 10=19.08%, 20=22.66%, 50=43.68%, 100=7.23% lat (msec) : 250=0.33%, 750=0.03% cpu : usr=0.07%, sys=11.13%, ctx=6163, majf=0, minf=14 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=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183178: Sun Jun 7 01:28:43 2026 read: IOPS=21, BW=84.3KiB/s (86.3kB/s)(6052KiB/71782msec) clat (msec): min=2, max=139, avg=14.07, stdev=14.27 lat (msec): min=2, max=139, avg=14.07, stdev=14.27 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 5], | 30.00th=[ 5], 40.00th=[ 6], 50.00th=[ 9], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 22], 90.00th=[ 31], 95.00th=[ 41], | 99.00th=[ 78], 99.50th=[ 88], 99.90th=[ 115], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 15, max= 248, per=25.54%, avg=84.80, stdev=48.80, samples=142 iops : min= 3, max= 62, avg=20.92, stdev=12.34, samples=142 write: IOPS=21, BW=86.9KiB/s (88.0kB/s)(6236KiB/71782msec); 0 zone resets clat (msec): min=13, max=677, avg=32.27, stdev=22.02 lat (msec): min=13, max=677, avg=32.27, stdev=22.02 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 17], 10.00th=[ 18], 20.00th=[ 21], | 30.00th=[ 23], 40.00th=[ 25], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 37], 80.00th=[ 43], 90.00th=[ 52], 95.00th=[ 60], | 99.00th=[ 87], 99.50th=[ 107], 99.90th=[ 125], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 31, max= 168, per=25.17%, avg=87.33, stdev=41.84, samples=142 iops : min= 7, max= 42, avg=21.55, stdev=10.65, samples=142 lat (msec) : 4=7.16%, 10=18.95%, 20=21.48%, 50=45.57%, 100=6.45% lat (msec) : 250=0.36%, 750=0.03% cpu : usr=0.09%, sys=11.08%, ctx=6051, majf=0, minf=15 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=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=332KiB/s (340kB/s), 82.1KiB/s-84.3KiB/s (84.1kB/s-86.3kB/s), io=23.4MiB (24.6MB), run=71782-72310msec WRITE: bw=348KiB/s (356kB/s), 86.6KiB/s-87.8KiB/s (88.7kB/s-89.9kB/s), io=24.6MiB (25.7MB), run=71782-72310msec mix direct rw 16384 by fio with 4 jobs... mix buffer rw 16384 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=183209: Sun Jun 7 01:29:01 2026 read: IOPS=29, BW=468KiB/s (479kB/s)(5920KiB/12644msec) clat (usec): min=33, max=74888, avg=17142.86, stdev=9552.51 lat (usec): min=34, max=74889, avg=17143.47, stdev=9552.51 clat percentiles (usec): | 1.00th=[ 84], 5.00th=[ 123], 10.00th=[ 8356], 20.00th=[11076], | 30.00th=[12387], 40.00th=[14091], 50.00th=[15926], 60.00th=[17957], | 70.00th=[20055], 80.00th=[22938], 90.00th=[27395], 95.00th=[32637], | 99.00th=[45876], 99.50th=[65274], 99.90th=[74974], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 288, max= 638, per=24.48%, avg=460.04, stdev=95.46, samples=24 iops : min= 18, max= 39, avg=28.21, stdev= 6.04, samples=24 write: IOPS=31, BW=504KiB/s (516kB/s)(6368KiB/12644msec); 0 zone resets clat (usec): min=1228, max=59543, avg=15669.21, stdev=10138.03 lat (usec): min=1228, max=59544, avg=15670.19, stdev=10138.04 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[ 4424], 10.00th=[ 5014], 20.00th=[ 5932], | 30.00th=[ 8455], 40.00th=[11207], 50.00th=[13304], 60.00th=[16057], | 70.00th=[19530], 80.00th=[24249], 90.00th=[29754], 95.00th=[35390], | 99.00th=[49021], 99.50th=[55837], 99.90th=[59507], 99.95th=[59507], | 99.99th=[59507] bw ( KiB/s): min= 318, max= 667, per=25.16%, avg=497.38, stdev=103.89, samples=24 iops : min= 19, max= 41, avg=30.58, stdev= 6.49, samples=24 lat (usec) : 50=0.26%, 100=0.65%, 250=2.86% lat (msec) : 2=0.52%, 4=0.91%, 10=20.44%, 20=44.66%, 50=29.04% lat (msec) : 100=0.65% cpu : usr=0.09%, sys=31.64%, ctx=2821, majf=0, minf=14 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=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183210: Sun Jun 7 01:29:01 2026 read: IOPS=28, BW=457KiB/s (468kB/s)(5744KiB/12580msec) clat (usec): min=93, max=65261, avg=16989.51, stdev=9374.04 lat (usec): min=93, max=65262, avg=16990.05, stdev=9374.04 clat percentiles (usec): | 1.00th=[ 101], 5.00th=[ 137], 10.00th=[ 7963], 20.00th=[10945], | 30.00th=[12911], 40.00th=[14615], 50.00th=[16188], 60.00th=[18220], | 70.00th=[19792], 80.00th=[23462], 90.00th=[27132], 95.00th=[31589], | 99.00th=[48497], 99.50th=[60556], 99.90th=[65274], 99.95th=[65274], | 99.99th=[65274] bw ( KiB/s): min= 154, max= 608, per=24.38%, avg=458.08, stdev=115.95, samples=24 iops : min= 9, max= 38, avg=28.08, stdev= 7.39, samples=24 write: IOPS=32, BW=520KiB/s (533kB/s)(6544KiB/12580msec); 0 zone resets clat (usec): min=1163, max=95939, avg=15800.54, stdev=11307.87 lat (usec): min=1164, max=95940, avg=15807.87, stdev=11308.61 clat percentiles (usec): | 1.00th=[ 2343], 5.00th=[ 4359], 10.00th=[ 5014], 20.00th=[ 6063], | 30.00th=[ 8356], 40.00th=[11076], 50.00th=[13566], 60.00th=[16057], | 70.00th=[19530], 80.00th=[23725], 90.00th=[30802], 95.00th=[35390], | 99.00th=[54789], 99.50th=[57410], 99.90th=[95945], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 320, max= 731, per=26.08%, avg=515.67, stdev=108.97, samples=24 iops : min= 20, max= 45, avg=31.71, stdev= 6.79, samples=24 lat (usec) : 100=0.39%, 250=3.26%, 500=0.26% lat (msec) : 2=0.52%, 4=1.30%, 10=21.22%, 20=44.66%, 50=27.08% lat (msec) : 100=1.30% cpu : usr=0.06%, sys=31.45%, ctx=2756, majf=0, minf=15 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=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183211: Sun Jun 7 01:29:01 2026 read: IOPS=32, BW=518KiB/s (531kB/s)(6256KiB/12074msec) clat (usec): min=36, max=55868, avg=16149.20, stdev=9398.15 lat (usec): min=36, max=55869, avg=16149.81, stdev=9398.14 clat percentiles (usec): | 1.00th=[ 74], 5.00th=[ 109], 10.00th=[ 149], 20.00th=[10028], | 30.00th=[11863], 40.00th=[13566], 50.00th=[15795], 60.00th=[17957], | 70.00th=[20055], 80.00th=[23200], 90.00th=[27657], 95.00th=[30802], | 99.00th=[42730], 99.50th=[48497], 99.90th=[55837], 99.95th=[55837], | 99.99th=[55837] bw ( KiB/s): min= 382, max= 766, per=27.76%, avg=521.52, stdev=108.56, samples=23 iops : min= 23, max= 47, avg=32.09, stdev= 6.64, samples=23 write: IOPS=31, BW=500KiB/s (512kB/s)(6032KiB/12074msec); 0 zone resets clat (usec): min=1166, max=86571, avg=15032.63, stdev=10890.84 lat (usec): min=1166, max=86572, avg=15033.66, stdev=10890.82 clat percentiles (usec): | 1.00th=[ 2311], 5.00th=[ 4228], 10.00th=[ 4752], 20.00th=[ 5538], | 30.00th=[ 7177], 40.00th=[ 9765], 50.00th=[12125], 60.00th=[14746], | 70.00th=[19006], 80.00th=[23987], 90.00th=[29230], 95.00th=[34866], | 99.00th=[47449], 99.50th=[60031], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] bw ( KiB/s): min= 287, max= 731, per=24.69%, avg=488.04, stdev=102.67, samples=23 iops : min= 17, max= 45, avg=29.96, stdev= 6.48, samples=23 lat (usec) : 50=0.26%, 100=1.56%, 250=3.91%, 500=0.39% lat (msec) : 2=0.26%, 4=1.43%, 10=22.53%, 20=41.54%, 50=27.60% lat (msec) : 100=0.52% cpu : usr=0.06%, sys=31.48%, ctx=2648, majf=0, minf=14 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=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183212: Sun Jun 7 01:29:01 2026 read: IOPS=29, BW=473KiB/s (485kB/s)(6032KiB/12743msec) clat (usec): min=27, max=73842, avg=17247.33, stdev=10362.57 lat (usec): min=27, max=73842, avg=17248.03, stdev=10362.39 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 118], 10.00th=[ 180], 20.00th=[10814], | 30.00th=[12649], 40.00th=[14877], 50.00th=[16712], 60.00th=[18744], | 70.00th=[20841], 80.00th=[23725], 90.00th=[28181], 95.00th=[32637], | 99.00th=[55837], 99.50th=[60031], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 254, max= 800, per=24.66%, avg=463.36, stdev=112.34, samples=25 iops : min= 15, max= 50, avg=28.44, stdev= 7.05, samples=25 write: IOPS=30, BW=491KiB/s (503kB/s)(6256KiB/12743msec); 0 zone resets clat (usec): min=990, max=55281, avg=15833.67, stdev=10586.95 lat (usec): min=990, max=55282, avg=15838.16, stdev=10585.25 clat percentiles (usec): | 1.00th=[ 1680], 5.00th=[ 4228], 10.00th=[ 4948], 20.00th=[ 6194], | 30.00th=[ 8848], 40.00th=[10683], 50.00th=[13173], 60.00th=[16057], | 70.00th=[19268], 80.00th=[24511], 90.00th=[31327], 95.00th=[37487], | 99.00th=[48497], 99.50th=[53740], 99.90th=[55313], 99.95th=[55313], | 99.99th=[55313] bw ( KiB/s): min= 224, max= 736, per=24.36%, avg=481.52, stdev=104.08, samples=25 iops : min= 14, max= 46, avg=29.60, stdev= 6.52, samples=25 lat (usec) : 50=0.52%, 100=0.91%, 250=3.78%, 1000=0.13% lat (msec) : 2=0.52%, 4=1.56%, 10=19.53%, 20=41.41%, 50=30.60% lat (msec) : 100=1.04% cpu : usr=0.10%, sys=30.94%, ctx=2732, majf=0, minf=14 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=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1880KiB/s (1925kB/s), 457KiB/s-518KiB/s (468kB/s-531kB/s), io=23.4MiB (24.5MB), run=12074-12743msec WRITE: bw=1978KiB/s (2025kB/s), 491KiB/s-520KiB/s (503kB/s-533kB/s), io=24.6MiB (25.8MB), run=12074-12743msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183204: Sun Jun 7 01:29:07 2026 read: IOPS=20, BW=322KiB/s (330kB/s)(5920KiB/18364msec) clat (msec): min=2, max=128, avg=14.84, stdev=14.38 lat (msec): min=2, max=128, avg=14.84, stdev=14.38 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 10], 60.00th=[ 13], | 70.00th=[ 16], 80.00th=[ 22], 90.00th=[ 33], 95.00th=[ 44], | 99.00th=[ 68], 99.50th=[ 74], 99.90th=[ 129], 99.95th=[ 129], | 99.99th=[ 129] bw ( KiB/s): min= 128, max= 768, per=24.42%, avg=315.28, stdev=158.65, samples=36 iops : min= 8, max= 48, avg=19.31, stdev=10.12, samples=36 write: IOPS=21, BW=347KiB/s (355kB/s)(6368KiB/18364msec); 0 zone resets clat (msec): min=11, max=102, avg=32.29, stdev=14.91 lat (msec): min=11, max=102, avg=32.29, stdev=14.91 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 17], 10.00th=[ 20], 20.00th=[ 21], | 30.00th=[ 23], 40.00th=[ 26], 50.00th=[ 29], 60.00th=[ 32], | 70.00th=[ 36], 80.00th=[ 42], 90.00th=[ 52], 95.00th=[ 64], | 99.00th=[ 84], 99.50th=[ 90], 99.90th=[ 104], 99.95th=[ 104], | 99.99th=[ 104] bw ( KiB/s): min= 64, max= 608, per=25.17%, avg=342.06, stdev=153.66, samples=36 iops : min= 4, max= 38, avg=21.00, stdev= 9.84, samples=36 lat (msec) : 4=3.26%, 10=22.01%, 20=19.79%, 50=47.92%, 100=6.77% lat (msec) : 250=0.26% cpu : usr=0.07%, sys=11.96%, ctx=1698, majf=0, minf=15 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=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183205: Sun Jun 7 01:29:07 2026 read: IOPS=19, BW=310KiB/s (317kB/s)(5744KiB/18541msec) clat (usec): min=3155, max=99687, avg=14904.76, stdev=15292.87 lat (usec): min=3155, max=99687, avg=14905.38, stdev=15292.85 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 12], | 70.00th=[ 15], 80.00th=[ 22], 90.00th=[ 39], 95.00th=[ 51], | 99.00th=[ 67], 99.50th=[ 85], 99.90th=[ 101], 99.95th=[ 101], | 99.99th=[ 101] bw ( KiB/s): min= 95, max= 640, per=23.64%, avg=305.22, stdev=173.01, samples=36 iops : min= 5, max= 40, avg=18.69, stdev=11.06, samples=36 write: IOPS=22, BW=353KiB/s (361kB/s)(6544KiB/18541msec); 0 zone resets clat (msec): min=12, max=113, avg=32.14, stdev=16.38 lat (msec): min=12, max=113, avg=32.14, stdev=16.38 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 18], 20.00th=[ 20], | 30.00th=[ 22], 40.00th=[ 25], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 36], 80.00th=[ 42], 90.00th=[ 54], 95.00th=[ 65], | 99.00th=[ 89], 99.50th=[ 108], 99.90th=[ 114], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 159, max= 640, per=25.13%, avg=341.53, stdev=153.73, samples=36 iops : min= 9, max= 40, avg=20.94, stdev= 9.86, samples=36 lat (msec) : 4=4.56%, 10=21.88%, 20=21.88%, 50=42.45%, 100=8.85% lat (msec) : 250=0.39% cpu : usr=0.06%, sys=12.11%, ctx=1693, majf=0, minf=14 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=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183206: Sun Jun 7 01:29:07 2026 read: IOPS=21, BW=347KiB/s (355kB/s)(6256KiB/18048msec) clat (usec): min=3196, max=99918, avg=14224.85, stdev=13438.04 lat (usec): min=3197, max=99918, avg=14225.52, stdev=13438.03 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 10], 60.00th=[ 13], | 70.00th=[ 16], 80.00th=[ 20], 90.00th=[ 32], 95.00th=[ 42], | 99.00th=[ 71], 99.50th=[ 91], 99.90th=[ 101], 99.95th=[ 101], | 99.99th=[ 101] bw ( KiB/s): min= 96, max= 1056, per=26.77%, avg=345.57, stdev=209.92, samples=35 iops : min= 6, max= 66, avg=21.20, stdev=13.28, samples=35 write: IOPS=20, BW=334KiB/s (342kB/s)(6032KiB/18048msec); 0 zone resets clat (msec): min=14, max=115, avg=33.03, stdev=15.57 lat (msec): min=14, max=115, avg=33.03, stdev=15.57 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 19], 10.00th=[ 20], 20.00th=[ 22], | 30.00th=[ 24], 40.00th=[ 26], 50.00th=[ 28], 60.00th=[ 31], | 70.00th=[ 37], 80.00th=[ 44], 90.00th=[ 56], 95.00th=[ 66], | 99.00th=[ 84], 99.50th=[ 100], 99.90th=[ 115], 99.95th=[ 115], | 99.99th=[ 115] bw ( KiB/s): min= 95, max= 608, per=24.07%, avg=327.17, stdev=137.50, samples=35 iops : min= 5, max= 38, avg=20.06, stdev= 8.86, samples=35 lat (msec) : 4=3.12%, 10=23.31%, 20=21.35%, 50=43.88%, 100=8.20% lat (msec) : 250=0.13% cpu : usr=0.05%, sys=12.31%, ctx=1613, majf=0, minf=13 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=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183207: Sun Jun 7 01:29:07 2026 read: IOPS=20, BW=331KiB/s (339kB/s)(6032KiB/18217msec) clat (msec): min=3, max=102, avg=15.45, stdev=14.75 lat (msec): min=3, max=102, avg=15.45, stdev=14.75 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 11], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 23], 90.00th=[ 36], 95.00th=[ 43], | 99.00th=[ 80], 99.50th=[ 102], 99.90th=[ 104], 99.95th=[ 104], | 99.99th=[ 104] bw ( KiB/s): min= 127, max= 864, per=25.40%, avg=327.97, stdev=164.70, samples=36 iops : min= 7, max= 54, avg=20.11, stdev=10.47, samples=36 write: IOPS=21, BW=343KiB/s (352kB/s)(6256KiB/18217msec); 0 zone resets clat (msec): min=14, max=108, avg=31.59, stdev=14.99 lat (msec): min=14, max=108, avg=31.59, stdev=14.99 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 18], 10.00th=[ 19], 20.00th=[ 21], | 30.00th=[ 23], 40.00th=[ 25], 50.00th=[ 27], 60.00th=[ 30], | 70.00th=[ 33], 80.00th=[ 40], 90.00th=[ 52], 95.00th=[ 66], | 99.00th=[ 85], 99.50th=[ 100], 99.90th=[ 109], 99.95th=[ 109], | 99.99th=[ 109] bw ( KiB/s): min= 127, max= 640, per=25.27%, avg=343.44, stdev=157.12, samples=36 iops : min= 7, max= 40, avg=21.08, stdev=10.08, samples=36 lat (msec) : 4=1.82%, 10=22.40%, 20=21.48%, 50=47.27%, 100=6.64% lat (msec) : 250=0.39% cpu : usr=0.08%, sys=12.02%, ctx=1611, majf=0, minf=12 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=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1292KiB/s (1323kB/s), 310KiB/s-347KiB/s (317kB/s-355kB/s), io=23.4MiB (24.5MB), run=18048-18541msec WRITE: bw=1359KiB/s (1392kB/s), 334KiB/s-353KiB/s (342kB/s-361kB/s), io=24.6MiB (25.8MB), run=18048-18541msec mix direct rw 1048576 by fio with 4 jobs... mix buffer rw 1048576 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=183221: Sun Jun 7 01:29:17 2026 read: IOPS=2, BW=2658KiB/s (2722kB/s)(7168KiB/2697msec) clat (msec): min=45, max=737, avg=282.85, stdev=315.64 lat (msec): min=45, max=737, avg=282.85, stdev=315.64 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 46], 10.00th=[ 46], 20.00th=[ 49], | 30.00th=[ 91], 40.00th=[ 91], 50.00th=[ 97], 60.00th=[ 226], | 70.00th=[ 226], 80.00th=[ 735], 90.00th=[ 735], 95.00th=[ 735], | 99.00th=[ 735], 99.50th=[ 735], 99.90th=[ 735], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 2048, max= 5120, per=75.70%, avg=3692.00, stdev=1547.35, samples=3 iops : min= 2, max= 5, avg= 3.33, stdev= 1.53, samples=3 write: IOPS=1, BW=1898KiB/s (1944kB/s)(5120KiB/2697msec); 0 zone resets clat (msec): min=82, max=184, avg=138.48, stdev=41.89 lat (msec): min=82, max=184, avg=138.53, stdev=41.89 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 83], 10.00th=[ 83], 20.00th=[ 83], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 144], 60.00th=[ 144], | 70.00th=[ 171], 80.00th=[ 171], 90.00th=[ 186], 95.00th=[ 186], | 99.00th=[ 186], 99.50th=[ 186], 99.90th=[ 186], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 1706, max= 3908, per=35.55%, avg=2427.50, stdev=1000.08, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (msec) : 50=16.67%, 100=25.00%, 250=41.67%, 750=16.67% cpu : usr=0.00%, sys=12.46%, ctx=91, majf=0, minf=11 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=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183222: Sun Jun 7 01:29:17 2026 read: IOPS=0, BW=488KiB/s (499kB/s)(2048KiB/4199msec) clat (usec): min=57801, max=76528, avg=67164.94, stdev=13241.73 lat (usec): min=57803, max=76528, avg=67166.40, stdev=13240.61 clat percentiles (usec): | 1.00th=[57934], 5.00th=[57934], 10.00th=[57934], 20.00th=[57934], | 30.00th=[57934], 40.00th=[57934], 50.00th=[57934], 60.00th=[76022], | 70.00th=[76022], 80.00th=[76022], 90.00th=[76022], 95.00th=[76022], | 99.00th=[76022], 99.50th=[76022], 99.90th=[76022], 99.95th=[76022], | 99.99th=[76022] bw ( KiB/s): min= 1712, max= 2048, per=38.55%, avg=1880.00, stdev=237.59, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2439KiB/s (2497kB/s)(10.0MiB/4199msec); 0 zone resets clat (msec): min=60, max=1702, avg=402.49, stdev=495.78 lat (msec): min=60, max=1702, avg=402.55, stdev=495.79 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 61], 10.00th=[ 61], 20.00th=[ 69], | 30.00th=[ 94], 40.00th=[ 138], 50.00th=[ 155], 60.00th=[ 363], | 70.00th=[ 372], 80.00th=[ 414], 90.00th=[ 659], 95.00th=[ 1703], | 99.00th=[ 1703], 99.50th=[ 1703], 99.90th=[ 1703], 99.95th=[ 1703], | 99.99th=[ 1703] bw ( KiB/s): min= 1712, max= 6144, per=52.52%, avg=3586.00, stdev=1788.79, samples=5 iops : min= 1, max= 6, avg= 3.20, stdev= 1.92, samples=5 lat (msec) : 100=41.67%, 250=16.67%, 500=25.00%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=13.05%, ctx=125, majf=0, minf=12 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=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183223: Sun Jun 7 01:29:17 2026 read: IOPS=1, BW=1788KiB/s (1831kB/s)(6144KiB/3436msec) clat (msec): min=63, max=226, avg=120.99, stdev=61.36 lat (msec): min=63, max=226, avg=120.99, stdev=61.36 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 64], 10.00th=[ 64], 20.00th=[ 66], | 30.00th=[ 66], 40.00th=[ 107], 50.00th=[ 107], 60.00th=[ 113], | 70.00th=[ 153], 80.00th=[ 153], 90.00th=[ 228], 95.00th=[ 228], | 99.00th=[ 228], 99.50th=[ 228], 99.90th=[ 228], 99.95th=[ 228], | 99.99th=[ 228] bw ( KiB/s): min= 3908, max= 6144, per=100.00%, avg=5026.00, stdev=1581.09, samples=2 iops : min= 3, max= 6, avg= 4.50, stdev= 2.12, samples=2 write: IOPS=1, BW=1788KiB/s (1831kB/s)(6144KiB/3436msec); 0 zone resets clat (msec): min=78, max=1201, avg=450.11, stdev=490.13 lat (msec): min=79, max=1201, avg=450.17, stdev=490.14 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 80], 10.00th=[ 80], 20.00th=[ 101], | 30.00th=[ 101], 40.00th=[ 155], 50.00th=[ 155], 60.00th=[ 228], | 70.00th=[ 936], 80.00th=[ 936], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 1954, max= 3424, per=34.69%, avg=2368.50, stdev=705.06, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (msec) : 100=33.33%, 250=50.00%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=10.33%, ctx=84, majf=0, minf=11 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=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183224: Sun Jun 7 01:29:17 2026 read: IOPS=1, BW=1389KiB/s (1422kB/s)(5120KiB/3686msec) clat (msec): min=71, max=906, avg=257.35, stdev=363.34 lat (msec): min=71, max=906, avg=257.35, stdev=363.34 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 72], 10.00th=[ 72], 20.00th=[ 72], | 30.00th=[ 96], 40.00th=[ 96], 50.00th=[ 99], 60.00th=[ 99], | 70.00th=[ 115], 80.00th=[ 115], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 4096, max= 4096, per=83.99%, avg=4096.00, stdev= 0.00, samples=2 iops : min= 4, max= 4, avg= 4.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1945KiB/s (1991kB/s)(7168KiB/3686msec); 0 zone resets clat (msec): min=83, max=1179, avg=338.03, stdev=389.73 lat (msec): min=83, max=1179, avg=338.10, stdev=389.73 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 84], 10.00th=[ 84], 20.00th=[ 110], | 30.00th=[ 111], 40.00th=[ 111], 50.00th=[ 161], 60.00th=[ 338], | 70.00th=[ 338], 80.00th=[ 384], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 1706, max= 5862, per=49.60%, avg=3386.50, stdev=1918.26, samples=4 iops : min= 1, max= 5, avg= 2.75, stdev= 1.71, samples=4 lat (msec) : 100=33.33%, 250=33.33%, 500=16.67%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=12.10%, ctx=205, majf=0, minf=13 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=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4877KiB/s (4994kB/s), 488KiB/s-2658KiB/s (499kB/s-2722kB/s), io=20.0MiB (20.0MB), run=2697-4199msec WRITE: bw=6828KiB/s (6992kB/s), 1788KiB/s-2439KiB/s (1831kB/s-2497kB/s), io=28.0MiB (29.4MB), run=2697-4199msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183226: Sun Jun 7 01:29:17 2026 read: IOPS=1, BW=1903KiB/s (1949kB/s)(7168KiB/3767msec) clat (usec): min=500, max=941110, avg=321274.29, stdev=392618.35 lat (usec): min=501, max=941111, avg=321275.26, stdev=392618.30 clat percentiles (usec): | 1.00th=[ 502], 5.00th=[ 502], 10.00th=[ 502], 20.00th=[ 15926], | 30.00th=[133694], 40.00th=[133694], 50.00th=[149947], 60.00th=[179307], | 70.00th=[179307], 80.00th=[826278], 90.00th=[943719], 95.00th=[943719], | 99.00th=[943719], 99.50th=[943719], 99.90th=[943719], 99.95th=[943719], | 99.99th=[943719] bw ( KiB/s): min= 1750, max= 4096, per=60.88%, avg=2993.25, stdev=1269.39, samples=4 iops : min= 1, max= 4, avg= 2.50, stdev= 1.29, samples=4 write: IOPS=1, BW=1359KiB/s (1392kB/s)(5120KiB/3767msec); 0 zone resets clat (msec): min=153, max=419, avg=285.04, stdev=107.02 lat (msec): min=153, max=419, avg=285.08, stdev=107.02 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 155], | 30.00th=[ 239], 40.00th=[ 239], 50.00th=[ 247], 60.00th=[ 247], | 70.00th=[ 368], 80.00th=[ 368], 90.00th=[ 422], 95.00th=[ 422], | 99.00th=[ 422], 99.50th=[ 422], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 2048, max= 6144, per=49.58%, avg=3413.33, stdev=2364.83, samples=3 iops : min= 2, max= 6, avg= 3.33, stdev= 2.31, samples=3 lat (usec) : 750=8.33% lat (msec) : 20=8.33%, 250=50.00%, 500=16.67%, 1000=16.67% cpu : usr=0.00%, sys=35.10%, ctx=1162, majf=0, minf=13 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=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183227: Sun Jun 7 01:29:17 2026 read: IOPS=0, BW=492KiB/s (504kB/s)(2048KiB/4165msec) clat (msec): min=144, max=158, avg=151.29, stdev= 9.88 lat (msec): min=144, max=158, avg=151.29, stdev= 9.88 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 144], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 144], 60.00th=[ 159], | 70.00th=[ 159], 80.00th=[ 159], 90.00th=[ 159], 95.00th=[ 159], | 99.00th=[ 159], 99.50th=[ 159], 99.90th=[ 159], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 1768, max= 2048, per=38.80%, avg=1908.00, stdev=197.99, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2459KiB/s (2518kB/s)(10.0MiB/4165msec); 0 zone resets clat (msec): min=54, max=1791, avg=382.05, stdev=533.47 lat (msec): min=55, max=1791, avg=382.12, stdev=533.47 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 55], 10.00th=[ 55], 20.00th=[ 71], | 30.00th=[ 78], 40.00th=[ 85], 50.00th=[ 130], 60.00th=[ 130], | 70.00th=[ 368], 80.00th=[ 558], 90.00th=[ 558], 95.00th=[ 1787], | 99.00th=[ 1787], 99.50th=[ 1787], 99.90th=[ 1787], 99.95th=[ 1787], | 99.99th=[ 1787] bw ( KiB/s): min= 1768, max= 6144, per=46.62%, avg=3209.40, stdev=1875.86, samples=5 iops : min= 1, max= 6, avg= 2.80, stdev= 1.92, samples=5 lat (msec) : 100=33.33%, 250=33.33%, 500=8.33%, 750=16.67%, 2000=8.33% cpu : usr=0.02%, sys=25.07%, ctx=291, majf=0, minf=11 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=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183228: Sun Jun 7 01:29:17 2026 read: IOPS=1, BW=1588KiB/s (1626kB/s)(6144KiB/3870msec) clat (usec): min=447, max=175193, avg=123667.93, stdev=71793.53 lat (usec): min=449, max=175195, avg=123669.01, stdev=71793.45 clat percentiles (usec): | 1.00th=[ 449], 5.00th=[ 449], 10.00th=[ 449], 20.00th=[ 71828], | 30.00th=[ 71828], 40.00th=[156238], 50.00th=[156238], 60.00th=[168821], | 70.00th=[170918], 80.00th=[170918], 90.00th=[175113], 95.00th=[175113], | 99.00th=[175113], 99.50th=[175113], 99.90th=[175113], 99.95th=[175113], | 99.99th=[175113] bw ( KiB/s): min= 2048, max= 4096, per=69.42%, avg=3413.33, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 3.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1588KiB/s (1626kB/s)(6144KiB/3870msec); 0 zone resets clat (msec): min=192, max=1247, avg=519.03, stdev=453.20 lat (msec): min=192, max=1247, avg=519.08, stdev=453.19 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 192], 10.00th=[ 192], 20.00th=[ 194], | 30.00th=[ 194], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 363], | 70.00th=[ 919], 80.00th=[ 919], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 2048, max= 3459, per=34.87%, avg=2400.75, stdev=705.50, samples=4 iops : min= 2, max= 3, avg= 2.25, stdev= 0.50, samples=4 lat (usec) : 500=8.33% lat (msec) : 100=8.33%, 250=58.33%, 500=8.33%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=30.81%, ctx=917, majf=0, minf=12 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=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183229: Sun Jun 7 01:29:17 2026 read: IOPS=1, BW=1312KiB/s (1344kB/s)(5120KiB/3902msec) clat (usec): min=452, max=197257, avg=117874.73, stdev=71740.55 lat (usec): min=453, max=197258, avg=117875.60, stdev=71740.47 clat percentiles (usec): | 1.00th=[ 453], 5.00th=[ 453], 10.00th=[ 453], 20.00th=[ 453], | 30.00th=[128451], 40.00th=[128451], 50.00th=[130548], 60.00th=[130548], | 70.00th=[133694], 80.00th=[133694], 90.00th=[198181], 95.00th=[198181], | 99.00th=[198181], 99.50th=[198181], 99.90th=[198181], 99.95th=[198181], | 99.99th=[198181] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 8, max= 8, avg= 8.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1837KiB/s (1881kB/s)(7168KiB/3902msec); 0 zone resets clat (msec): min=164, max=1212, avg=458.21, stdev=412.15 lat (msec): min=164, max=1212, avg=458.45, stdev=412.05 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 165], 10.00th=[ 165], 20.00th=[ 169], | 30.00th=[ 192], 40.00th=[ 192], 50.00th=[ 251], 60.00th=[ 363], | 70.00th=[ 363], 80.00th=[ 852], 90.00th=[ 1217], 95.00th=[ 1217], | 99.00th=[ 1217], 99.50th=[ 1217], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 1753, max= 2048, per=28.87%, avg=1987.20, stdev=130.98, samples=5 iops : min= 1, max= 2, avg= 1.60, stdev= 0.55, samples=5 lat (usec) : 500=8.33% lat (msec) : 250=58.33%, 500=16.67%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=31.22%, ctx=593, majf=0, minf=13 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=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4917KiB/s (5035kB/s), 492KiB/s-1903KiB/s (504kB/s-1949kB/s), io=20.0MiB (20.0MB), run=3767-4165msec WRITE: bw=6884KiB/s (7049kB/s), 1359KiB/s-2459KiB/s (1392kB/s-2518kB/s), io=28.0MiB (29.4MB), run=3767-4165msec mix direct rw 4194304 by fio with 4 jobs... mix buffer rw 4194304 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=183235: Sun Jun 7 01:29:26 2026 read: IOPS=1, BW=6970KiB/s (7137kB/s)(12.0MiB/1763msec) clat (msec): min=99, max=880, avg=569.42, stdev=413.78 lat (msec): min=99, max=880, avg=569.42, stdev=413.78 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 101], 10.00th=[ 101], 20.00th=[ 101], | 30.00th=[ 101], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 726], | 70.00th=[ 877], 80.00th=[ 877], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 7922, max= 8143, per=86.44%, avg=8032.50, stdev=156.27, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 100=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=12.88%, ctx=69, majf=0, minf=9 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=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183237: Sun Jun 7 01:29:26 2026 read: IOPS=0, BW=2675KiB/s (2740kB/s)(4096KiB/1531msec) clat (nsec): min=307446k, max=307446k, avg=307445802.00, stdev= 0.00 lat (nsec): min=307449k, max=307449k, avg=307449475.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 309], 80.00th=[ 309], 90.00th=[ 309], 95.00th=[ 309], | 99.00th=[ 309], 99.50th=[ 309], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 6023, max= 6023, per=64.81%, avg=6023.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=5351KiB/s (5479kB/s)(8192KiB/1531msec); 0 zone resets clat (msec): min=517, max=628, avg=572.89, stdev=78.91 lat (msec): min=517, max=628, avg=573.17, stdev=78.89 clat percentiles (msec): | 1.00th=[ 518], 5.00th=[ 518], 10.00th=[ 518], 20.00th=[ 518], | 30.00th=[ 518], 40.00th=[ 518], 50.00th=[ 518], 60.00th=[ 625], | 70.00th=[ 625], 80.00th=[ 625], 90.00th=[ 625], 95.00th=[ 625], | 99.00th=[ 625], 99.50th=[ 625], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 7922, max= 7922, per=50.31%, avg=7922.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=66.67% cpu : usr=0.00%, sys=20.07%, ctx=79, majf=0, minf=11 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=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183239: Sun Jun 7 01:29:26 2026 write: IOPS=1, BW=5905KiB/s (6047kB/s)(12.0MiB/2081msec); 0 zone resets clat (msec): min=281, max=1026, avg=669.64, stdev=373.66 lat (msec): min=281, max=1026, avg=669.97, stdev=373.65 clat percentiles (msec): | 1.00th=[ 284], 5.00th=[ 284], 10.00th=[ 284], 20.00th=[ 284], | 30.00th=[ 284], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 1028], 80.00th=[ 1028], 90.00th=[ 1028], 95.00th=[ 1028], | 99.00th=[ 1028], 99.50th=[ 1028], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1028] bw ( KiB/s): min= 7922, max= 7922, per=50.31%, avg=7922.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.10%, sys=20.91%, ctx=79, majf=0, minf=10 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=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183241: Sun Jun 7 01:29:26 2026 write: IOPS=1, BW=7054KiB/s (7223kB/s)(12.0MiB/1742msec); 0 zone resets clat (msec): min=304, max=751, avg=542.54, stdev=224.74 lat (msec): min=305, max=751, avg=542.79, stdev=224.74 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 575], 50.00th=[ 575], 60.00th=[ 575], | 70.00th=[ 751], 80.00th=[ 751], 90.00th=[ 751], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 5720, max= 8143, per=44.02%, avg=6931.50, stdev=1713.32, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=20.33%, ctx=89, majf=0, minf=10 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=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=9293KiB/s (9516kB/s), 2675KiB/s-6970KiB/s (2740kB/s-7137kB/s), io=16.0MiB (16.8MB), run=1531-1763msec WRITE: bw=15.4MiB/s (16.1MB/s), 5351KiB/s-7054KiB/s (5479kB/s-7223kB/s), io=32.0MiB (33.6MB), run=1531-2081msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183236: Sun Jun 7 01:29:26 2026 read: IOPS=1, BW=7857KiB/s (8045kB/s)(12.0MiB/1564msec) clat (msec): min=444, max=553, avg=499.74, stdev=54.44 lat (msec): min=444, max=553, avg=499.74, stdev=54.44 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 443], 10.00th=[ 443], 20.00th=[ 443], | 30.00th=[ 443], 40.00th=[ 502], 50.00th=[ 502], 60.00th=[ 502], | 70.00th=[ 550], 80.00th=[ 550], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 6215, max= 8062, per=84.53%, avg=7138.50, stdev=1306.03, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=66.67% cpu : usr=0.00%, sys=51.57%, ctx=2550, majf=0, minf=9 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=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183238: Sun Jun 7 01:29:26 2026 read: IOPS=0, BW=2111KiB/s (2162kB/s)(4096KiB/1940msec) clat (nsec): min=546431k, max=546431k, avg=546430707.00, stdev= 0.00 lat (nsec): min=546432k, max=546432k, avg=546431889.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 550], 5.00th=[ 550], 10.00th=[ 550], 20.00th=[ 550], | 30.00th=[ 550], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 550], 80.00th=[ 550], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 6159, max= 6159, per=72.93%, avg=6159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=4223KiB/s (4324kB/s)(8192KiB/1940msec); 0 zone resets clat (msec): min=495, max=821, avg=658.36, stdev=230.55 lat (msec): min=495, max=821, avg=658.62, stdev=230.58 clat percentiles (msec): | 1.00th=[ 498], 5.00th=[ 498], 10.00th=[ 498], 20.00th=[ 498], | 30.00th=[ 498], 40.00th=[ 498], 50.00th=[ 498], 60.00th=[ 818], | 70.00th=[ 818], 80.00th=[ 818], 90.00th=[ 818], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 8062, max= 8062, per=53.81%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.05%, sys=18.00%, ctx=721, majf=0, minf=12 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=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183240: Sun Jun 7 01:29:26 2026 write: IOPS=1, BW=5619KiB/s (5754kB/s)(12.0MiB/2187msec); 0 zone resets clat (msec): min=80, max=1146, avg=707.21, stdev=557.27 lat (msec): min=80, max=1147, avg=707.51, stdev=557.31 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 81], 10.00th=[ 81], 20.00th=[ 81], | 30.00th=[ 81], 40.00th=[ 894], 50.00th=[ 894], 60.00th=[ 894], | 70.00th=[ 1150], 80.00th=[ 1150], 90.00th=[ 1150], 95.00th=[ 1150], | 99.00th=[ 1150], 99.50th=[ 1150], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 8159, max= 8159, per=54.46%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=10.34%, ctx=112, majf=0, minf=10 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=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183242: Sun Jun 7 01:29:26 2026 write: IOPS=1, BW=8026KiB/s (8219kB/s)(12.0MiB/1531msec); 0 zone resets clat (msec): min=226, max=926, avg=490.46, stdev=380.14 lat (msec): min=226, max=926, avg=490.71, stdev=380.15 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 226], 10.00th=[ 226], 20.00th=[ 226], | 30.00th=[ 226], 40.00th=[ 321], 50.00th=[ 321], 60.00th=[ 321], | 70.00th=[ 927], 80.00th=[ 927], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min=12190, max=12190, per=81.36%, avg=12190.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.00%, sys=21.31%, ctx=82, majf=0, minf=10 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=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=8445KiB/s (8648kB/s), 2111KiB/s-7857KiB/s (2162kB/s-8045kB/s), io=16.0MiB (16.8MB), run=1564-1940msec WRITE: bw=14.6MiB/s (15.3MB/s), 4223KiB/s-8026KiB/s (4324kB/s-8219kB/s), io=32.0MiB (33.6MB), run=1531-2187msec