== sanity test 398b: DIO and buffer IO race ============== 10:51:34 (1784127094) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.47095 s, 14.5 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=186121: Wed Jul 15 10:52:46 2026 read: IOPS=24, BW=98.4KiB/s (101kB/s)(5992KiB/60907msec) clat (usec): min=60, max=1085.5k, avg=22037.05, stdev=29652.19 lat (usec): min=60, max=1085.5k, avg=22037.95, stdev=29652.32 clat percentiles (usec): | 1.00th=[ 111], 5.00th=[ 7963], 10.00th=[ 9503], | 20.00th=[ 12256], 30.00th=[ 14615], 40.00th=[ 16909], | 50.00th=[ 19268], 60.00th=[ 22152], 70.00th=[ 25297], | 80.00th=[ 29754], 90.00th=[ 35390], 95.00th=[ 41681], | 99.00th=[ 57410], 99.50th=[ 62653], 99.90th=[ 85459], | 99.95th=[1082131], 99.99th=[1082131] bw ( KiB/s): min= 14, max= 206, per=25.44%, avg=98.98, stdev=33.93, samples=120 iops : min= 3, max= 51, avg=24.29, stdev= 8.49, samples=120 write: IOPS=25, BW=103KiB/s (106kB/s)(6296KiB/60907msec); 0 zone resets clat (usec): min=845, max=79878, avg=17491.35, stdev=12688.75 lat (usec): min=847, max=79879, avg=17495.52, stdev=12687.10 clat percentiles (usec): | 1.00th=[ 1893], 5.00th=[ 2900], 10.00th=[ 3785], 20.00th=[ 5997], | 30.00th=[ 8979], 40.00th=[11731], 50.00th=[14615], 60.00th=[17957], | 70.00th=[22152], 80.00th=[26870], 90.00th=[34866], 95.00th=[42730], | 99.00th=[56886], 99.50th=[59507], 99.90th=[71828], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 16, max= 200, per=25.75%, avg=104.80, stdev=36.42, samples=119 iops : min= 4, max= 50, avg=25.75, stdev= 9.08, samples=119 lat (usec) : 100=0.36%, 250=0.62%, 500=0.03%, 1000=0.10% lat (msec) : 2=0.46%, 4=4.98%, 10=17.09%, 20=35.32%, 50=38.83% lat (msec) : 100=2.18%, 2000=0.03% cpu : usr=0.08%, sys=26.67%, ctx=10646, 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=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=186123: Wed Jul 15 10:52:46 2026 read: IOPS=24, BW=96.7KiB/s (99.0kB/s)(5940KiB/61424msec) clat (usec): min=26, max=75214, avg=21806.51, stdev=11073.23 lat (usec): min=26, max=75215, avg=21807.27, stdev=11073.28 clat percentiles (usec): | 1.00th=[ 120], 5.00th=[ 7898], 10.00th=[ 9503], 20.00th=[12256], | 30.00th=[14746], 40.00th=[17433], 50.00th=[19792], 60.00th=[22938], | 70.00th=[26608], 80.00th=[30802], 90.00th=[36963], 95.00th=[42730], | 99.00th=[53740], 99.50th=[57934], 99.90th=[62653], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 7, max= 208, per=24.92%, avg=96.93, stdev=32.86, samples=121 iops : min= 1, max= 52, avg=23.77, stdev= 8.22, samples=121 write: IOPS=25, BW=103KiB/s (106kB/s)(6348KiB/61424msec); 0 zone resets clat (usec): min=816, max=1032.0k, avg=18079.39, stdev=28291.88 lat (usec): min=817, max=1033.0k, avg=18080.62, stdev=28291.77 clat percentiles (usec): | 1.00th=[ 1942], 5.00th=[ 3032], 10.00th=[ 3949], | 20.00th=[ 6390], 30.00th=[ 9110], 40.00th=[ 11994], | 50.00th=[ 15270], 60.00th=[ 18220], 70.00th=[ 22152], | 80.00th=[ 26608], 90.00th=[ 33817], 95.00th=[ 42206], | 99.00th=[ 55837], 99.50th=[ 64750], 99.90th=[ 78119], | 99.95th=[1035994], 99.99th=[1035994] bw ( KiB/s): min= 7, max= 262, per=25.39%, avg=103.32, stdev=38.06, samples=121 iops : min= 1, max= 65, avg=25.37, stdev= 9.52, samples=121 lat (usec) : 50=0.07%, 100=0.16%, 250=0.55%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=0.52%, 4=4.69%, 10=16.60%, 20=35.38%, 50=39.81% lat (msec) : 100=2.02%, 2000=0.03% cpu : usr=0.09%, sys=26.81%, ctx=10585, 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=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=186125: Wed Jul 15 10:52:46 2026 read: IOPS=24, BW=98.6KiB/s (101kB/s)(6028KiB/61136msec) clat (usec): min=54, max=100479, avg=21545.53, stdev=11612.50 lat (usec): min=54, max=100479, avg=21546.35, stdev=11612.48 clat percentiles (usec): | 1.00th=[ 163], 5.00th=[ 7898], 10.00th=[ 9503], 20.00th=[ 12125], | 30.00th=[ 14746], 40.00th=[ 16909], 50.00th=[ 19268], 60.00th=[ 21890], | 70.00th=[ 25560], 80.00th=[ 30016], 90.00th=[ 35914], 95.00th=[ 41681], | 99.00th=[ 60556], 99.50th=[ 71828], 99.90th=[ 90702], 99.95th=[100140], | 99.99th=[100140] bw ( KiB/s): min= 16, max= 199, per=25.65%, avg=99.78, stdev=32.69, samples=119 iops : min= 4, max= 49, avg=24.49, stdev= 8.17, samples=119 write: IOPS=25, BW=102KiB/s (105kB/s)(6260KiB/61136msec); 0 zone resets clat (usec): min=704, max=1067.8k, avg=18083.18, stdev=29242.47 lat (usec): min=705, max=1067.8k, avg=18084.08, stdev=29242.50 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 2868], 10.00th=[ 3982], | 20.00th=[ 6259], 30.00th=[ 9110], 40.00th=[ 11994], | 50.00th=[ 15139], 60.00th=[ 18482], 70.00th=[ 22152], | 80.00th=[ 26608], 90.00th=[ 33424], 95.00th=[ 40633], | 99.00th=[ 54789], 99.50th=[ 66323], 99.90th=[ 77071], | 99.95th=[1069548], 99.99th=[1069548] bw ( KiB/s): min= 32, max= 192, per=25.44%, avg=103.53, stdev=35.22, samples=119 iops : min= 8, max= 48, avg=25.43, stdev= 8.81, samples=119 lat (usec) : 100=0.20%, 250=0.62%, 500=0.07%, 750=0.10%, 1000=0.26% lat (msec) : 2=0.59%, 4=4.26%, 10=16.24%, 20=36.23%, 50=39.42% lat (msec) : 100=1.95%, 250=0.03%, 2000=0.03% cpu : usr=0.09%, sys=26.36%, ctx=10795, 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=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=186126: Wed Jul 15 10:52:46 2026 read: IOPS=24, BW=98.2KiB/s (101kB/s)(6052KiB/61652msec) clat (usec): min=38, max=83654, avg=21479.43, stdev=11368.93 lat (usec): min=39, max=83656, avg=21480.80, stdev=11368.58 clat percentiles (usec): | 1.00th=[ 111], 5.00th=[ 7767], 10.00th=[ 9503], 20.00th=[12518], | 30.00th=[14746], 40.00th=[17171], 50.00th=[19268], 60.00th=[21890], | 70.00th=[25560], 80.00th=[29492], 90.00th=[35914], 95.00th=[43254], | 99.00th=[57410], 99.50th=[64750], 99.90th=[70779], 99.95th=[83362], | 99.99th=[83362] bw ( KiB/s): min= 32, max= 183, per=25.40%, avg=98.81, stdev=33.00, samples=120 iops : min= 8, max= 45, avg=24.24, stdev= 8.27, samples=120 write: IOPS=25, BW=101KiB/s (104kB/s)(6236KiB/61652msec); 0 zone resets clat (usec): min=695, max=1066.5k, avg=18471.03, stdev=29511.45 lat (usec): min=696, max=1066.5k, avg=18472.26, stdev=29511.33 clat percentiles (usec): | 1.00th=[ 1565], 5.00th=[ 2999], 10.00th=[ 3785], | 20.00th=[ 6456], 30.00th=[ 8979], 40.00th=[ 12256], | 50.00th=[ 15270], 60.00th=[ 18482], 70.00th=[ 21890], | 80.00th=[ 27395], 90.00th=[ 35914], 95.00th=[ 42730], | 99.00th=[ 58459], 99.50th=[ 65274], 99.90th=[ 83362], | 99.95th=[1069548], 99.99th=[1069548] bw ( KiB/s): min= 23, max= 215, per=25.06%, avg=101.99, stdev=34.77, samples=120 iops : min= 5, max= 53, avg=25.04, stdev= 8.71, samples=120 lat (usec) : 50=0.03%, 100=0.33%, 250=0.88%, 750=0.10%, 1000=0.23% lat (msec) : 2=0.46%, 4=4.75%, 10=16.05%, 20=35.87%, 50=38.67% lat (msec) : 100=2.60%, 2000=0.03% cpu : usr=0.09%, sys=26.26%, ctx=10873, 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=389KiB/s (399kB/s), 96.7KiB/s-98.6KiB/s (99.0kB/s-101kB/s), io=23.4MiB (24.6MB), run=60907-61652msec WRITE: bw=408KiB/s (418kB/s), 101KiB/s-103KiB/s (104kB/s-106kB/s), io=24.6MiB (25.7MB), run=60907-61652msec rand-rw: (groupid=0, jobs=1): err= 0: pid=186120: Wed Jul 15 10:52:52 2026 read: IOPS=22, BW=89.5KiB/s (91.6kB/s)(5992KiB/66986msec) clat (msec): min=2, max=1092, avg=20.02, stdev=31.19 lat (msec): min=2, max=1092, avg=20.03, stdev=31.19 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 8], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 16], 60.00th=[ 20], | 70.00th=[ 23], 80.00th=[ 29], 90.00th=[ 39], 95.00th=[ 50], | 99.00th=[ 71], 99.50th=[ 79], 99.90th=[ 102], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 23, max= 360, per=25.25%, avg=90.16, stdev=61.00, samples=131 iops : min= 5, max= 90, avg=22.11, stdev=15.38, samples=131 write: IOPS=23, BW=93.0KiB/s (96.2kB/s)(6296KiB/66986msec); 0 zone resets clat (msec): min=4, max=104, avg=23.29, stdev=15.75 lat (msec): min=4, max=104, avg=23.29, stdev=15.75 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 9], | 30.00th=[ 13], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 35], 90.00th=[ 45], 95.00th=[ 54], | 99.00th=[ 73], 99.50th=[ 83], 99.90th=[ 105], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 7, max= 352, per=25.35%, avg=94.80, stdev=64.54, samples=131 iops : min= 1, max= 88, avg=23.27, stdev=16.25, samples=131 lat (msec) : 4=0.75%, 10=25.46%, 20=30.37%, 50=37.83%, 100=5.47% lat (msec) : 250=0.10%, 2000=0.03% cpu : usr=0.08%, sys=15.42%, ctx=7059, 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=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=186122: Wed Jul 15 10:52:52 2026 read: IOPS=22, BW=88.5KiB/s (90.7kB/s)(5940KiB/67085msec) clat (msec): min=3, max=1052, avg=19.90, stdev=30.48 lat (msec): min=3, max=1052, avg=19.90, stdev=30.48 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 10], 40.00th=[ 13], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 23], 80.00th=[ 29], 90.00th=[ 39], 95.00th=[ 50], | 99.00th=[ 69], 99.50th=[ 82], 99.90th=[ 100], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 15, max= 416, per=24.97%, avg=89.13, stdev=63.15, samples=131 iops : min= 3, max= 104, avg=21.85, stdev=15.90, samples=131 write: IOPS=23, BW=94.6KiB/s (96.9kB/s)(6348KiB/67085msec); 0 zone resets clat (usec): min=4371, max=99550, avg=23441.89, stdev=15782.11 lat (usec): min=4371, max=99552, avg=23442.73, stdev=15782.19 clat percentiles (usec): | 1.00th=[ 5211], 5.00th=[ 6259], 10.00th=[ 7111], 20.00th=[ 9241], | 30.00th=[12649], 40.00th=[16319], 50.00th=[20055], 60.00th=[24249], | 70.00th=[28967], 80.00th=[34866], 90.00th=[43254], 95.00th=[55313], | 99.00th=[78119], 99.50th=[86508], 99.90th=[99091], 99.95th=[99091], | 99.99th=[99091] bw ( KiB/s): min= 16, max= 376, per=25.36%, avg=94.85, stdev=62.78, samples=131 iops : min= 4, max= 94, avg=23.28, stdev=15.82, samples=131 lat (msec) : 4=0.65%, 10=25.81%, 20=30.50%, 50=37.34%, 100=5.66% lat (msec) : 2000=0.03% cpu : usr=0.09%, sys=15.26%, ctx=7114, 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=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=186124: Wed Jul 15 10:52:52 2026 read: IOPS=22, BW=89.8KiB/s (91.0kB/s)(6028KiB/67113msec) clat (usec): min=2419, max=99166, avg=19348.82, stdev=14861.58 lat (usec): min=2420, max=99167, avg=19349.54, stdev=14861.66 clat percentiles (usec): | 1.00th=[ 3818], 5.00th=[ 4621], 10.00th=[ 5276], 20.00th=[ 6849], | 30.00th=[ 9765], 40.00th=[12911], 50.00th=[15795], 60.00th=[18482], | 70.00th=[22414], 80.00th=[28443], 90.00th=[37487], 95.00th=[49021], | 99.00th=[74974], 99.50th=[86508], 99.90th=[98042], 99.95th=[99091], | 99.99th=[99091] bw ( KiB/s): min= 23, max= 360, per=25.27%, avg=90.22, stdev=64.20, samples=131 iops : min= 5, max= 90, avg=22.12, stdev=16.17, samples=131 write: IOPS=23, BW=93.3KiB/s (95.5kB/s)(6260KiB/67113msec); 0 zone resets clat (msec): min=4, max=1060, avg=24.03, stdev=30.65 lat (msec): min=4, max=1060, avg=24.04, stdev=30.65 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 9], | 30.00th=[ 13], 40.00th=[ 16], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 29], 80.00th=[ 36], 90.00th=[ 46], 95.00th=[ 53], | 99.00th=[ 81], 99.50th=[ 88], 99.90th=[ 106], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 31, max= 352, per=24.99%, avg=93.46, stdev=62.76, samples=131 iops : min= 7, max= 88, avg=22.93, stdev=15.81, samples=131 lat (msec) : 4=0.72%, 10=26.69%, 20=29.23%, 50=37.96%, 100=5.34% lat (msec) : 250=0.03%, 2000=0.03% cpu : usr=0.08%, sys=15.18%, ctx=7142, 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=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=186127: Wed Jul 15 10:52:52 2026 read: IOPS=22, BW=90.2KiB/s (92.4kB/s)(6052KiB/67075msec) clat (usec): min=2179, max=85842, avg=19405.97, stdev=14346.58 lat (usec): min=2179, max=85857, avg=19406.63, stdev=14346.69 clat percentiles (usec): | 1.00th=[ 3884], 5.00th=[ 4752], 10.00th=[ 5407], 20.00th=[ 7111], | 30.00th=[10159], 40.00th=[12649], 50.00th=[15533], 60.00th=[19006], | 70.00th=[22938], 80.00th=[28705], 90.00th=[39584], 95.00th=[49546], | 99.00th=[67634], 99.50th=[76022], 99.90th=[85459], 99.95th=[85459], | 99.99th=[85459] bw ( KiB/s): min= 15, max= 320, per=25.36%, avg=90.53, stdev=59.35, samples=131 iops : min= 3, max= 80, avg=22.20, stdev=14.96, samples=131 write: IOPS=23, BW=92.0KiB/s (95.2kB/s)(6236KiB/67075msec); 0 zone resets clat (msec): min=4, max=1056, avg=23.98, stdev=30.58 lat (msec): min=4, max=1056, avg=23.98, stdev=30.58 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 13], 40.00th=[ 16], 50.00th=[ 20], 60.00th=[ 25], | 70.00th=[ 29], 80.00th=[ 36], 90.00th=[ 46], 95.00th=[ 55], | 99.00th=[ 73], 99.50th=[ 87], 99.90th=[ 108], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 24, max= 392, per=25.02%, avg=93.58, stdev=65.83, samples=131 iops : min= 6, max= 98, avg=22.96, stdev=16.57, samples=131 lat (msec) : 4=0.52%, 10=25.91%, 20=30.34%, 50=37.43%, 100=5.70% lat (msec) : 250=0.07%, 2000=0.03% cpu : usr=0.10%, sys=15.21%, ctx=7132, 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=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=358KiB/s (366kB/s), 88.5KiB/s-90.2KiB/s (90.7kB/s-92.4kB/s), io=23.4MiB (24.6MB), run=66986-67113msec WRITE: bw=375KiB/s (384kB/s), 92.0KiB/s-94.6KiB/s (95.2kB/s-96.9kB/s), io=24.6MiB (25.7MB), run=66986-67113msec 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=186151: Wed Jul 15 10:53:13 2026 read: IOPS=24, BW=390KiB/s (400kB/s)(5920KiB/15166msec) clat (usec): min=93, max=60654, avg=20484.88, stdev=9629.09 lat (usec): min=94, max=60655, avg=20485.56, stdev=9629.10 clat percentiles (usec): | 1.00th=[ 99], 5.00th=[ 8979], 10.00th=[11076], 20.00th=[13304], | 30.00th=[15270], 40.00th=[17171], 50.00th=[19268], 60.00th=[21890], | 70.00th=[24249], 80.00th=[27132], 90.00th=[31589], 95.00th=[36439], | 99.00th=[53216], 99.50th=[60031], 99.90th=[60556], 99.95th=[60556], | 99.99th=[60556] bw ( KiB/s): min= 189, max= 605, per=24.74%, avg=390.67, stdev=96.64, samples=30 iops : min= 11, max= 37, avg=23.80, stdev= 6.26, samples=30 write: IOPS=26, BW=420KiB/s (430kB/s)(6368KiB/15166msec); 0 zone resets clat (usec): min=2787, max=74796, avg=18748.38, stdev=11060.17 lat (usec): min=2789, max=74799, avg=18749.89, stdev=11060.02 clat percentiles (usec): | 1.00th=[ 3097], 5.00th=[ 4883], 10.00th=[ 5735], 20.00th=[ 9503], | 30.00th=[11731], 40.00th=[14091], 50.00th=[16450], 60.00th=[19792], | 70.00th=[23462], 80.00th=[27395], 90.00th=[33162], 95.00th=[39060], | 99.00th=[51119], 99.50th=[62653], 99.90th=[74974], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 162, max= 576, per=25.35%, avg=421.10, stdev=112.76, samples=30 iops : min= 10, max= 36, avg=25.73, stdev= 7.06, samples=30 lat (usec) : 100=0.52%, 250=1.43% lat (msec) : 4=0.65%, 10=12.50%, 20=41.93%, 50=41.67%, 100=1.30% cpu : usr=0.09%, sys=27.84%, ctx=3231, 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=186152: Wed Jul 15 10:53:13 2026 read: IOPS=24, BW=391KiB/s (401kB/s)(5744KiB/14672msec) clat (usec): min=82, max=64108, avg=20734.19, stdev=10750.69 lat (usec): min=83, max=64108, avg=20735.07, stdev=10751.57 clat percentiles (usec): | 1.00th=[ 105], 5.00th=[ 7177], 10.00th=[10421], 20.00th=[13042], | 30.00th=[15139], 40.00th=[17433], 50.00th=[19006], 60.00th=[20841], | 70.00th=[23462], 80.00th=[27132], 90.00th=[35914], 95.00th=[42206], | 99.00th=[59507], 99.50th=[62129], 99.90th=[64226], 99.95th=[64226], | 99.99th=[64226] bw ( KiB/s): min= 221, max= 544, per=24.90%, avg=393.17, stdev=93.49, samples=29 iops : min= 13, max= 34, avg=23.97, stdev= 5.87, samples=29 write: IOPS=27, BW=446KiB/s (457kB/s)(6544KiB/14672msec); 0 zone resets clat (usec): min=3305, max=75418, avg=17563.18, stdev=11822.00 lat (usec): min=3306, max=75419, avg=17564.29, stdev=11822.02 clat percentiles (usec): | 1.00th=[ 4015], 5.00th=[ 4686], 10.00th=[ 5342], 20.00th=[ 7242], | 30.00th=[10028], 40.00th=[12256], 50.00th=[14222], 60.00th=[16909], | 70.00th=[21365], 80.00th=[26346], 90.00th=[33817], 95.00th=[41681], | 99.00th=[56886], 99.50th=[57410], 99.90th=[74974], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 286, max= 832, per=26.86%, avg=446.17, stdev=117.70, samples=29 iops : min= 17, max= 52, avg=27.28, stdev= 7.53, samples=29 lat (usec) : 100=0.39%, 250=1.69% lat (msec) : 4=0.52%, 10=17.32%, 20=41.54%, 50=36.59%, 100=1.95% cpu : usr=0.07%, sys=28.27%, ctx=3111, 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=186153: Wed Jul 15 10:53:13 2026 read: IOPS=26, BW=418KiB/s (428kB/s)(6256KiB/14984msec) clat (usec): min=36, max=64875, avg=19924.40, stdev=10172.33 lat (usec): min=37, max=64876, avg=19925.08, stdev=10172.37 clat percentiles (usec): | 1.00th=[ 96], 5.00th=[ 157], 10.00th=[ 9503], 20.00th=[12387], | 30.00th=[14091], 40.00th=[17171], 50.00th=[19530], 60.00th=[21890], | 70.00th=[23987], 80.00th=[26608], 90.00th=[32375], 95.00th=[36439], | 99.00th=[55837], 99.50th=[64226], 99.90th=[64750], 99.95th=[64750], | 99.99th=[64750] bw ( KiB/s): min= 189, max= 672, per=26.74%, avg=422.17, stdev=127.73, samples=29 iops : min= 11, max= 42, avg=25.76, stdev= 8.06, samples=29 write: IOPS=25, BW=403KiB/s (412kB/s)(6032KiB/14984msec); 0 zone resets clat (usec): min=1046, max=58659, avg=18920.21, stdev=12151.42 lat (usec): min=1047, max=58661, avg=18921.66, stdev=12152.13 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 4359], 10.00th=[ 5342], 20.00th=[ 7701], | 30.00th=[10814], 40.00th=[13173], 50.00th=[15795], 60.00th=[20317], | 70.00th=[23725], 80.00th=[30016], 90.00th=[36439], 95.00th=[42730], | 99.00th=[54789], 99.50th=[55313], 99.90th=[58459], 99.95th=[58459], | 99.99th=[58459] bw ( KiB/s): min= 216, max= 704, per=24.21%, avg=402.14, stdev=110.74, samples=29 iops : min= 13, max= 44, avg=24.52, stdev= 7.04, samples=29 lat (usec) : 50=0.13%, 100=0.65%, 250=2.08% lat (msec) : 2=0.91%, 4=0.65%, 10=14.32%, 20=37.37%, 50=42.32% lat (msec) : 100=1.56% cpu : usr=0.09%, sys=27.56%, ctx=3181, 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=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=186154: Wed Jul 15 10:53:13 2026 read: IOPS=25, BW=415KiB/s (425kB/s)(6032KiB/14532msec) clat (usec): min=84, max=73723, avg=20014.03, stdev=10546.07 lat (usec): min=84, max=73723, avg=20014.63, stdev=10546.08 clat percentiles (usec): | 1.00th=[ 95], 5.00th=[ 139], 10.00th=[ 9765], 20.00th=[12780], | 30.00th=[15008], 40.00th=[16909], 50.00th=[19006], 60.00th=[20841], | 70.00th=[23725], 80.00th=[26608], 90.00th=[32637], 95.00th=[38011], | 99.00th=[51119], 99.50th=[63701], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 254, max= 637, per=26.47%, avg=418.04, stdev=89.87, samples=28 iops : min= 15, max= 39, avg=25.50, stdev= 5.75, samples=28 write: IOPS=26, BW=430KiB/s (441kB/s)(6256KiB/14532msec); 0 zone resets clat (usec): min=1221, max=76676, avg=17813.71, stdev=11030.31 lat (usec): min=1221, max=76678, avg=17814.94, stdev=11030.38 clat percentiles (usec): | 1.00th=[ 3359], 5.00th=[ 4621], 10.00th=[ 5473], 20.00th=[ 8455], | 30.00th=[11207], 40.00th=[13304], 50.00th=[15270], 60.00th=[17433], | 70.00th=[20841], 80.00th=[26870], 90.00th=[32900], 95.00th=[39060], | 99.00th=[51119], 99.50th=[52691], 99.90th=[77071], 99.95th=[77071], | 99.99th=[77071] bw ( KiB/s): min= 255, max= 768, per=26.10%, avg=433.50, stdev=111.32, samples=28 iops : min= 15, max= 48, avg=26.46, stdev= 7.04, samples=28 lat (usec) : 100=0.52%, 250=2.86%, 750=0.13% lat (msec) : 2=0.26%, 4=0.78%, 10=13.41%, 20=43.88%, 50=37.11% lat (msec) : 100=1.04% cpu : usr=0.06%, sys=28.00%, ctx=3081, 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=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=1579KiB/s (1617kB/s), 390KiB/s-418KiB/s (400kB/s-428kB/s), io=23.4MiB (24.5MB), run=14532-15166msec WRITE: bw=1662KiB/s (1701kB/s), 403KiB/s-446KiB/s (412kB/s-457kB/s), io=24.6MiB (25.8MB), run=14532-15166msec rand-rw: (groupid=0, jobs=1): err= 0: pid=186155: Wed Jul 15 10:53:14 2026 read: IOPS=21, BW=351KiB/s (360kB/s)(5920KiB/16852msec) clat (usec): min=4793, max=68120, avg=19470.44, stdev=12840.19 lat (usec): min=4794, max=68121, avg=19471.01, stdev=12840.18 clat percentiles (usec): | 1.00th=[ 5276], 5.00th=[ 6783], 10.00th=[ 7832], 20.00th=[ 9503], | 30.00th=[10945], 40.00th=[12780], 50.00th=[14615], 60.00th=[17695], | 70.00th=[22676], 80.00th=[28443], 90.00th=[37487], 95.00th=[45351], | 99.00th=[61604], 99.50th=[67634], 99.90th=[67634], 99.95th=[67634], | 99.99th=[67634] bw ( KiB/s): min= 167, max= 896, per=24.20%, avg=343.18, stdev=152.04, samples=33 iops : min= 10, max= 56, avg=20.94, stdev= 9.57, samples=33 write: IOPS=23, BW=378KiB/s (387kB/s)(6368KiB/16852msec); 0 zone resets clat (usec): min=5934, max=95816, avg=23817.55, stdev=14264.48 lat (usec): min=5936, max=95818, avg=23819.18, stdev=14264.32 clat percentiles (usec): | 1.00th=[ 7701], 5.00th=[ 8979], 10.00th=[10028], 20.00th=[11469], | 30.00th=[13829], 40.00th=[16450], 50.00th=[19792], 60.00th=[22938], | 70.00th=[27919], 80.00th=[35390], 90.00th=[43779], 95.00th=[52691], | 99.00th=[69731], 99.50th=[84411], 99.90th=[95945], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 111, max= 928, per=25.03%, avg=373.48, stdev=169.58, samples=33 iops : min= 6, max= 58, avg=22.82, stdev=10.70, samples=33 lat (msec) : 10=16.93%, 20=39.58%, 50=38.41%, 100=5.08% cpu : usr=0.08%, sys=15.33%, ctx=1839, 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=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=186156: Wed Jul 15 10:53:14 2026 read: IOPS=21, BW=341KiB/s (350kB/s)(5744KiB/16826msec) clat (usec): min=4783, max=70949, avg=19903.79, stdev=13207.93 lat (usec): min=4783, max=70949, avg=19904.45, stdev=13207.92 clat percentiles (usec): | 1.00th=[ 6259], 5.00th=[ 7635], 10.00th=[ 8291], 20.00th=[ 9634], | 30.00th=[10814], 40.00th=[12518], 50.00th=[13960], 60.00th=[17171], | 70.00th=[23200], 80.00th=[32637], 90.00th=[40109], 95.00th=[46924], | 99.00th=[59507], 99.50th=[70779], 99.90th=[70779], 99.95th=[70779], | 99.99th=[70779] bw ( KiB/s): min= 55, max= 864, per=23.90%, avg=338.88, stdev=142.82, samples=33 iops : min= 3, max= 54, avg=20.67, stdev= 9.06, samples=33 write: IOPS=24, BW=389KiB/s (398kB/s)(6544KiB/16826msec); 0 zone resets clat (usec): min=6543, max=80670, avg=23237.67, stdev=13427.53 lat (usec): min=6544, max=80672, avg=23239.01, stdev=13427.55 clat percentiles (usec): | 1.00th=[ 7963], 5.00th=[ 9110], 10.00th=[ 9896], 20.00th=[11469], | 30.00th=[13435], 40.00th=[16057], 50.00th=[19006], 60.00th=[23462], | 70.00th=[29230], 80.00th=[34341], 90.00th=[42730], 95.00th=[48497], | 99.00th=[65274], 99.50th=[67634], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 127, max= 1056, per=25.63%, avg=382.45, stdev=193.71, samples=33 iops : min= 7, max= 66, avg=23.39, stdev=12.12, samples=33 lat (msec) : 10=17.32%, 20=41.28%, 50=37.37%, 100=4.04% cpu : usr=0.14%, sys=15.17%, ctx=1780, 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=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=186157: Wed Jul 15 10:53:14 2026 read: IOPS=23, BW=374KiB/s (383kB/s)(6256KiB/16736msec) clat (usec): min=4703, max=62341, avg=18895.77, stdev=12011.33 lat (usec): min=4704, max=62342, avg=18896.40, stdev=12011.32 clat percentiles (usec): | 1.00th=[ 5604], 5.00th=[ 7373], 10.00th=[ 8029], 20.00th=[ 9110], | 30.00th=[10683], 40.00th=[12387], 50.00th=[14746], 60.00th=[17433], | 70.00th=[21627], 80.00th=[28181], 90.00th=[38011], 95.00th=[45351], | 99.00th=[55313], 99.50th=[60556], 99.90th=[62129], 99.95th=[62129], | 99.99th=[62129] bw ( KiB/s): min= 158, max= 1088, per=26.52%, avg=376.12, stdev=204.92, samples=33 iops : min= 9, max= 68, avg=23.00, stdev=12.89, samples=33 write: IOPS=22, BW=360KiB/s (369kB/s)(6032KiB/16736msec); 0 zone resets clat (msec): min=6, max=104, avg=24.71, stdev=14.88 lat (msec): min=6, max=105, avg=24.71, stdev=14.88 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 36], 90.00th=[ 46], 95.00th=[ 54], | 99.00th=[ 79], 99.50th=[ 88], 99.90th=[ 106], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 127, max= 798, per=23.88%, avg=356.24, stdev=145.26, samples=33 iops : min= 7, max= 49, avg=21.76, stdev= 9.16, samples=33 lat (msec) : 10=17.71%, 20=39.84%, 50=37.89%, 100=4.43%, 250=0.13% cpu : usr=0.08%, sys=15.35%, ctx=1906, 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=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=186158: Wed Jul 15 10:53:14 2026 read: IOPS=22, BW=357KiB/s (366kB/s)(6032KiB/16886msec) clat (usec): min=2703, max=85447, avg=19434.12, stdev=12895.56 lat (usec): min=2703, max=85448, avg=19434.76, stdev=12895.50 clat percentiles (usec): | 1.00th=[ 3097], 5.00th=[ 6652], 10.00th=[ 7701], 20.00th=[ 9241], | 30.00th=[10683], 40.00th=[12649], 50.00th=[14746], 60.00th=[17695], | 70.00th=[23462], 80.00th=[29754], 90.00th=[39584], 95.00th=[45876], | 99.00th=[55837], 99.50th=[63177], 99.90th=[85459], 99.95th=[85459], | 99.99th=[85459] bw ( KiB/s): min= 31, max= 864, per=24.40%, avg=346.03, stdev=181.25, samples=33 iops : min= 1, max= 54, avg=21.12, stdev=11.40, samples=33 write: IOPS=23, BW=370KiB/s (379kB/s)(6256KiB/16886msec); 0 zone resets clat (msec): min=4, max=105, avg=24.19, stdev=14.71 lat (msec): min=4, max=105, avg=24.20, stdev=14.70 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 30], 80.00th=[ 37], 90.00th=[ 46], 95.00th=[ 53], | 99.00th=[ 65], 99.50th=[ 75], 99.90th=[ 106], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 159, max= 800, per=24.23%, avg=361.52, stdev=156.35, samples=33 iops : min= 9, max= 50, avg=22.09, stdev= 9.90, samples=33 lat (msec) : 4=0.91%, 10=17.19%, 20=39.06%, 50=38.41%, 100=4.30% lat (msec) : 250=0.13% cpu : usr=0.11%, sys=15.16%, ctx=1777, 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=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=1418KiB/s (1452kB/s), 341KiB/s-374KiB/s (350kB/s-383kB/s), io=23.4MiB (24.5MB), run=16736-16886msec WRITE: bw=1492KiB/s (1528kB/s), 360KiB/s-389KiB/s (369kB/s-398kB/s), io=24.6MiB (25.8MB), run=16736-16886msec 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=186171: Wed Jul 15 10:53:24 2026 read: IOPS=2, BW=2178KiB/s (2230kB/s)(7168KiB/3291msec) clat (msec): min=26, max=1116, avg=276.47, stdev=379.49 lat (msec): min=26, max=1116, avg=276.47, stdev=379.49 clat percentiles (msec): | 1.00th=[ 27], 5.00th=[ 27], 10.00th=[ 27], 20.00th=[ 46], | 30.00th=[ 128], 40.00th=[ 128], 50.00th=[ 155], 60.00th=[ 213], | 70.00th=[ 213], 80.00th=[ 253], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 1976, max= 3871, per=38.33%, avg=2379.60, stdev=834.26, samples=5 iops : min= 1, max= 3, avg= 1.60, stdev= 0.89, samples=5 write: IOPS=1, BW=1556KiB/s (1593kB/s)(5120KiB/3291msec); 0 zone resets clat (msec): min=132, max=327, avg=251.73, stdev=74.77 lat (msec): min=132, max=327, avg=251.79, stdev=74.76 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 133], 10.00th=[ 133], 20.00th=[ 133], | 30.00th=[ 249], 40.00th=[ 249], 50.00th=[ 251], 60.00th=[ 251], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 330], 95.00th=[ 330], | 99.00th=[ 330], 99.50th=[ 330], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 2023, max= 3953, per=30.77%, avg=2674.67, stdev=1107.14, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 lat (msec) : 50=16.67%, 250=41.67%, 500=33.33%, 2000=8.33% cpu : usr=0.00%, sys=17.81%, ctx=246, 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=186172: Wed Jul 15 10:53:24 2026 read: IOPS=0, BW=621KiB/s (636kB/s)(2048KiB/3298msec) clat (msec): min=22, max=436, avg=229.37, stdev=292.76 lat (msec): min=22, max=436, avg=229.37, stdev=292.76 clat percentiles (msec): | 1.00th=[ 23], 5.00th=[ 23], 10.00th=[ 23], 20.00th=[ 23], | 30.00th=[ 23], 40.00th=[ 23], 50.00th=[ 23], 60.00th=[ 439], | 70.00th=[ 439], 80.00th=[ 439], 90.00th=[ 439], 95.00th=[ 439], | 99.00th=[ 439], 99.50th=[ 439], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 2048, max= 2048, per=32.98%, avg=2048.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3105KiB/s (3179kB/s)(10.0MiB/3298msec); 0 zone resets clat (msec): min=79, max=1026, avg=273.53, stdev=276.95 lat (msec): min=79, max=1026, avg=273.60, stdev=276.95 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 81], 10.00th=[ 81], 20.00th=[ 99], | 30.00th=[ 144], 40.00th=[ 148], 50.00th=[ 169], 60.00th=[ 201], | 70.00th=[ 249], 80.00th=[ 279], 90.00th=[ 342], 95.00th=[ 1028], | 99.00th=[ 1028], 99.50th=[ 1028], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1028] bw ( KiB/s): min= 2023, max= 6144, per=46.64%, avg=4054.00, stdev=1683.75, samples=4 iops : min= 1, max= 6, avg= 3.50, stdev= 2.08, samples=4 lat (msec) : 50=8.33%, 100=16.67%, 250=41.67%, 500=25.00%, 2000=8.33% cpu : usr=0.03%, sys=22.08%, ctx=155, 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=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=186173: Wed Jul 15 10:53:24 2026 read: IOPS=1, BW=1878KiB/s (1923kB/s)(6144KiB/3272msec) clat (msec): min=61, max=363, avg=169.69, stdev=112.28 lat (msec): min=61, max=363, avg=169.69, stdev=112.28 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 62], 10.00th=[ 62], 20.00th=[ 81], | 30.00th=[ 81], 40.00th=[ 118], 50.00th=[ 118], 60.00th=[ 169], | 70.00th=[ 226], 80.00th=[ 226], 90.00th=[ 363], 95.00th=[ 363], | 99.00th=[ 363], 99.50th=[ 363], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 2023, max= 3953, per=40.55%, avg=2518.00, stdev=956.74, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 write: IOPS=1, BW=1878KiB/s (1923kB/s)(6144KiB/3272msec); 0 zone resets clat (msec): min=88, max=996, avg=326.82, stdev=338.85 lat (msec): min=88, max=996, avg=326.88, stdev=338.85 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 89], 10.00th=[ 89], 20.00th=[ 138], | 30.00th=[ 138], 40.00th=[ 167], 50.00th=[ 167], 60.00th=[ 243], | 70.00th=[ 330], 80.00th=[ 330], 90.00th=[ 995], 95.00th=[ 995], | 99.00th=[ 995], 99.50th=[ 995], 99.90th=[ 995], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 1815, max= 4096, per=34.19%, avg=2971.75, stdev=1219.97, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 100=25.00%, 250=50.00%, 500=16.67%, 1000=8.33% cpu : usr=0.00%, sys=15.71%, ctx=139, 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=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=186174: Wed Jul 15 10:53:24 2026 read: IOPS=1, BW=1610KiB/s (1649kB/s)(5120KiB/3180msec) clat (msec): min=48, max=290, avg=141.50, stdev=102.77 lat (msec): min=48, max=290, avg=141.50, stdev=102.77 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 48], 10.00th=[ 48], 20.00th=[ 48], | 30.00th=[ 55], 40.00th=[ 55], 50.00th=[ 116], 60.00th=[ 116], | 70.00th=[ 199], 80.00th=[ 199], 90.00th=[ 292], 95.00th=[ 292], | 99.00th=[ 292], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 3953, max= 4047, per=64.42%, avg=4000.00, stdev=66.47, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2254KiB/s (2308kB/s)(7168KiB/3180msec); 0 zone resets clat (msec): min=56, max=1192, avg=340.91, stdev=391.57 lat (msec): min=56, max=1192, avg=340.97, stdev=391.57 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 57], 10.00th=[ 57], 20.00th=[ 114], | 30.00th=[ 124], 40.00th=[ 124], 50.00th=[ 228], 60.00th=[ 313], | 70.00th=[ 313], 80.00th=[ 363], 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= 1976, max= 4096, per=28.85%, avg=2508.00, stdev=1058.67, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 lat (msec) : 50=8.33%, 100=16.67%, 250=41.67%, 500=25.00%, 2000=8.33% cpu : usr=0.00%, sys=14.22%, ctx=104, 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=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=6210KiB/s (6359kB/s), 621KiB/s-2178KiB/s (636kB/s-2230kB/s), io=20.0MiB (20.0MB), run=3180-3298msec WRITE: bw=8694KiB/s (8902kB/s), 1556KiB/s-3105KiB/s (1593kB/s-3179kB/s), io=28.0MiB (29.4MB), run=3180-3298msec rand-rw: (groupid=0, jobs=1): err= 0: pid=186166: Wed Jul 15 10:53:24 2026 read: IOPS=2, BW=2097KiB/s (2147kB/s)(7168KiB/3419msec) clat (usec): min=628, max=1646.6k, avg=302530.00, stdev=595397.85 lat (usec): min=629, max=1646.6k, avg=302531.15, stdev=595397.83 clat percentiles (usec): | 1.00th=[ 627], 5.00th=[ 627], 10.00th=[ 627], | 20.00th=[ 9896], 30.00th=[ 93848], 40.00th=[ 93848], | 50.00th=[ 94897], 60.00th=[ 106431], 70.00th=[ 106431], | 80.00th=[ 164627], 90.00th=[1652556], 95.00th=[1652556], | 99.00th=[1652556], 99.50th=[1652556], 99.90th=[1652556], | 99.95th=[1652556], 99.99th=[1652556] bw ( KiB/s): min= 2048, max= 5137, per=67.89%, avg=3760.33, stdev=1571.62, samples=3 iops : min= 2, max= 5, avg= 3.67, stdev= 1.53, samples=3 write: IOPS=1, BW=1498KiB/s (1533kB/s)(5120KiB/3419msec); 0 zone resets clat (msec): min=92, max=543, avg=258.04, stdev=172.76 lat (msec): min=92, max=543, avg=258.08, stdev=172.74 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 93], | 30.00th=[ 157], 40.00th=[ 157], 50.00th=[ 243], 60.00th=[ 243], | 70.00th=[ 257], 80.00th=[ 257], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 1712, max= 6144, per=50.65%, avg=3928.00, stdev=3133.90, samples=2 iops : min= 1, max= 6, avg= 3.50, stdev= 3.54, samples=2 lat (usec) : 750=8.33% lat (msec) : 10=8.33%, 100=25.00%, 250=33.33%, 500=8.33%, 750=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=34.35%, ctx=1110, 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=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=186167: Wed Jul 15 10:53:24 2026 read: IOPS=0, BW=554KiB/s (567kB/s)(2048KiB/3697msec) clat (msec): min=131, max=133, avg=132.69, stdev= 1.80 lat (msec): min=131, max=133, avg=132.69, stdev= 1.80 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 132], 10.00th=[ 132], 20.00th=[ 132], | 30.00th=[ 132], 40.00th=[ 132], 50.00th=[ 132], 60.00th=[ 134], | 70.00th=[ 134], 80.00th=[ 134], 90.00th=[ 134], 95.00th=[ 134], | 99.00th=[ 134], 99.50th=[ 134], 99.90th=[ 134], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 1729, max= 2048, per=34.09%, avg=1888.50, stdev=225.57, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2770KiB/s (2836kB/s)(10.0MiB/3697msec); 0 zone resets clat (msec): min=144, max=904, avg=339.27, stdev=232.27 lat (msec): min=144, max=904, avg=339.34, stdev=232.26 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 159], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 222], 60.00th=[ 309], | 70.00th=[ 330], 80.00th=[ 426], 90.00th=[ 514], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 2043, max= 4096, per=47.37%, avg=3673.80, stdev=911.80, samples=5 iops : min= 1, max= 4, avg= 3.00, stdev= 1.22, samples=5 lat (msec) : 250=58.33%, 500=25.00%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=42.78%, ctx=364, 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=186168: Wed Jul 15 10:53:24 2026 read: IOPS=1, BW=1769KiB/s (1811kB/s)(6144KiB/3474msec) clat (usec): min=548, max=465262, avg=173037.91, stdev=158131.29 lat (usec): min=549, max=465263, avg=173038.92, stdev=158131.01 clat percentiles (usec): | 1.00th=[ 545], 5.00th=[ 545], 10.00th=[ 545], 20.00th=[101188], | 30.00th=[101188], 40.00th=[111674], 50.00th=[111674], 60.00th=[158335], | 70.00th=[200279], 80.00th=[200279], 90.00th=[463471], 95.00th=[463471], | 99.00th=[463471], 99.50th=[463471], 99.90th=[463471], 99.95th=[463471], | 99.99th=[463471] bw ( KiB/s): min= 2039, max= 4096, per=46.15%, avg=2556.50, stdev=1026.34, samples=4 iops : min= 1, max= 4, avg= 2.00, stdev= 1.41, samples=4 write: IOPS=1, BW=1769KiB/s (1811kB/s)(6144KiB/3474msec); 0 zone resets clat (msec): min=108, max=1068, avg=400.42, stdev=345.68 lat (msec): min=108, max=1068, avg=400.48, stdev=345.69 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 109], 10.00th=[ 109], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 253], 50.00th=[ 253], 60.00th=[ 305], | 70.00th=[ 447], 80.00th=[ 447], 90.00th=[ 1070], 95.00th=[ 1070], | 99.00th=[ 1070], 99.50th=[ 1070], 99.90th=[ 1070], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 2039, max= 4096, per=41.11%, avg=3188.33, stdev=1049.58, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=50.00%, 500=33.33%, 2000=8.33% cpu : usr=0.00%, sys=34.03%, ctx=1032, 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=186169: Wed Jul 15 10:53:24 2026 read: IOPS=1, BW=1675KiB/s (1716kB/s)(5120KiB/3056msec) clat (usec): min=320, max=327104, avg=86309.53, stdev=141791.22 lat (usec): min=321, max=327104, avg=86310.19, stdev=141791.28 clat percentiles (usec): | 1.00th=[ 322], 5.00th=[ 322], 10.00th=[ 322], 20.00th=[ 322], | 30.00th=[ 359], 40.00th=[ 359], 50.00th=[ 478], 60.00th=[ 478], | 70.00th=[103285], 80.00th=[103285], 90.00th=[325059], 95.00th=[325059], | 99.00th=[325059], 99.50th=[325059], 99.90th=[325059], 99.95th=[325059], | 99.99th=[325059] 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=2, BW=2346KiB/s (2402kB/s)(7168KiB/3056msec); 0 zone resets clat (msec): min=71, max=1397, avg=373.24, stdev=463.77 lat (msec): min=71, max=1397, avg=373.29, stdev=463.78 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 71], 10.00th=[ 71], 20.00th=[ 150], | 30.00th=[ 176], 40.00th=[ 176], 50.00th=[ 184], 60.00th=[ 218], | 70.00th=[ 218], 80.00th=[ 418], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 1750, max= 6144, per=51.46%, avg=3991.00, stdev=2198.32, samples=3 iops : min= 1, max= 6, avg= 3.33, stdev= 2.52, samples=3 lat (usec) : 500=25.00% lat (msec) : 100=8.33%, 250=41.67%, 500=16.67%, 2000=8.33% cpu : usr=0.00%, sys=28.81%, ctx=86, 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=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=5540KiB/s (5673kB/s), 554KiB/s-2097KiB/s (567kB/s-2147kB/s), io=20.0MiB (20.0MB), run=3056-3697msec WRITE: bw=7755KiB/s (7942kB/s), 1498KiB/s-2770KiB/s (1533kB/s-2836kB/s), io=28.0MiB (29.4MB), run=3056-3697msec 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=186185: Wed Jul 15 10:53:34 2026 read: IOPS=1, BW=4398KiB/s (4504kB/s)(12.0MiB/2794msec) clat (msec): min=359, max=1681, avg=907.85, stdev=689.32 lat (msec): min=359, max=1681, avg=907.85, stdev=689.32 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 359], | 30.00th=[ 359], 40.00th=[ 684], 50.00th=[ 684], 60.00th=[ 684], | 70.00th=[ 1687], 80.00th=[ 1687], 90.00th=[ 1687], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 8159, max= 8175, per=100.00%, avg=8167.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=12.96%, ctx=100, 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=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=186186: Wed Jul 15 10:53:34 2026 read: IOPS=0, BW=1407KiB/s (1440kB/s)(4096KiB/2912msec) clat (nsec): min=1956.0M, max=1956.0M, avg=1956969572.00, stdev= 0.00 lat (nsec): min=1956.0M, max=1956.0M, avg=1956971592.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1955], 5.00th=[ 1955], 10.00th=[ 1955], 20.00th=[ 1955], | 30.00th=[ 1955], 40.00th=[ 1955], 50.00th=[ 1955], 60.00th=[ 1955], | 70.00th=[ 1955], 80.00th=[ 1955], 90.00th=[ 1955], 95.00th=[ 1955], | 99.00th=[ 1955], 99.50th=[ 1955], 99.90th=[ 1955], 99.95th=[ 1955], | 99.99th=[ 1955] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2813KiB/s (2881kB/s)(8192KiB/2912msec); 0 zone resets clat (msec): min=335, max=534, avg=434.82, stdev=140.92 lat (msec): min=335, max=534, avg=435.08, stdev=140.93 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 334], 10.00th=[ 334], 20.00th=[ 334], | 30.00th=[ 334], 40.00th=[ 334], 50.00th=[ 334], 60.00th=[ 535], | 70.00th=[ 535], 80.00th=[ 535], 90.00th=[ 535], 95.00th=[ 535], | 99.00th=[ 535], 99.50th=[ 535], 99.90th=[ 535], 99.95th=[ 535], | 99.99th=[ 535] bw ( KiB/s): min= 8175, max= 8175, per=73.08%, avg=8175.00, 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=0.00%, sys=10.37%, 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=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=186187: Wed Jul 15 10:53:34 2026 write: IOPS=1, BW=4195KiB/s (4296kB/s)(12.0MiB/2929msec); 0 zone resets clat (msec): min=273, max=2256, avg=956.16, stdev=1126.69 lat (msec): min=273, max=2256, avg=956.39, stdev=1126.62 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 275], 10.00th=[ 275], 20.00th=[ 275], | 30.00th=[ 275], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 338], | 70.00th=[ 2265], 80.00th=[ 2265], 90.00th=[ 2265], 95.00th=[ 2265], | 99.00th=[ 2265], 99.50th=[ 2265], 99.90th=[ 2265], 99.95th=[ 2265], | 99.99th=[ 2265] bw ( KiB/s): min=16351, max=16351, per=100.00%, avg=16351.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, >=2000=33.33% cpu : usr=0.03%, sys=15.47%, ctx=118, 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=0,3,0,0 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=186188: Wed Jul 15 10:53:34 2026 write: IOPS=1, BW=4430KiB/s (4536kB/s)(12.0MiB/2774msec); 0 zone resets clat (msec): min=691, max=1290, avg=901.33, stdev=337.76 lat (msec): min=691, max=1291, avg=901.57, stdev=337.81 clat percentiles (msec): | 1.00th=[ 693], 5.00th=[ 693], 10.00th=[ 693], 20.00th=[ 693], | 30.00th=[ 693], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 726], | 70.00th=[ 1284], 80.00th=[ 1284], 90.00th=[ 1284], 95.00th=[ 1284], | 99.00th=[ 1284], 99.50th=[ 1284], 99.90th=[ 1284], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 8159, max= 8192, per=73.08%, avg=8175.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.00%, sys=13.09%, ctx=98, majf=0, minf=8 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=5626KiB/s (5761kB/s), 1407KiB/s-4398KiB/s (1440kB/s-4504kB/s), io=16.0MiB (16.8MB), run=2794-2912msec WRITE: bw=10.9MiB/s (11.5MB/s), 2813KiB/s-4430KiB/s (2881kB/s-4536kB/s), io=32.0MiB (33.6MB), run=2774-2929msec rand-rw: (groupid=0, jobs=1): err= 0: pid=186181: Wed Jul 15 10:53:34 2026 read: IOPS=1, BW=5418KiB/s (5548kB/s)(12.0MiB/2268msec) clat (msec): min=475, max=1250, avg=752.41, stdev=432.67 lat (msec): min=475, max=1250, avg=752.41, stdev=432.67 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 531], 50.00th=[ 531], 60.00th=[ 531], | 70.00th=[ 1250], 80.00th=[ 1250], 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=16384, max=16384, per=100.00%, avg=16384.00, stdev= 0.00, samples=1 iops : min= 4, max= 4, avg= 4.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=40.05%, ctx=2410, majf=0, minf=8 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=186182: Wed Jul 15 10:53:34 2026 read: IOPS=0, BW=1442KiB/s (1476kB/s)(4096KiB/2841msec) clat (nsec): min=1264.7M, max=1264.7M, avg=1264657994.00, stdev= 0.00 lat (nsec): min=1264.7M, max=1264.7M, avg=1264660504.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1267], 5.00th=[ 1267], 10.00th=[ 1267], 20.00th=[ 1267], | 30.00th=[ 1267], 40.00th=[ 1267], 50.00th=[ 1267], 60.00th=[ 1267], | 70.00th=[ 1267], 80.00th=[ 1267], 90.00th=[ 1267], 95.00th=[ 1267], | 99.00th=[ 1267], 99.50th=[ 1267], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2883KiB/s (2953kB/s)(8192KiB/2841msec); 0 zone resets clat (msec): min=413, max=1126, avg=770.46, stdev=504.18 lat (msec): min=414, max=1127, avg=770.75, stdev=504.22 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 414], 10.00th=[ 414], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 414], 50.00th=[ 414], 60.00th=[ 1133], | 70.00th=[ 1133], 80.00th=[ 1133], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 7892, max= 7892, per=68.43%, avg=7892.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=24.89%, ctx=997, 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=186183: Wed Jul 15 10:53:34 2026 write: IOPS=1, BW=6440KiB/s (6595kB/s)(12.0MiB/1908msec); 0 zone resets clat (msec): min=259, max=917, avg=626.78, stdev=335.84 lat (msec): min=259, max=918, avg=627.01, stdev=335.82 clat percentiles (msec): | 1.00th=[ 259], 5.00th=[ 259], 10.00th=[ 259], 20.00th=[ 259], | 30.00th=[ 259], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 919], 80.00th=[ 919], 90.00th=[ 919], 95.00th=[ 919], | 99.00th=[ 919], 99.50th=[ 919], 99.90th=[ 919], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 8192, max= 8192, per=71.03%, avg=8192.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=16.68%, ctx=169, majf=0, minf=8 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=186184: Wed Jul 15 10:53:34 2026 write: IOPS=1, BW=4755KiB/s (4870kB/s)(12.0MiB/2584msec); 0 zone resets clat (msec): min=683, max=960, avg=850.53, stdev=147.12 lat (msec): min=683, max=961, avg=850.88, stdev=147.11 clat percentiles (msec): | 1.00th=[ 684], 5.00th=[ 684], 10.00th=[ 684], 20.00th=[ 684], | 30.00th=[ 684], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 961], 80.00th=[ 961], 90.00th=[ 961], 95.00th=[ 961], | 99.00th=[ 961], 99.50th=[ 961], 99.90th=[ 961], 99.95th=[ 961], | 99.99th=[ 961] bw ( KiB/s): min= 8192, max= 8192, per=71.03%, avg=8192.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.08%, sys=15.83%, ctx=87, 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=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=5767KiB/s (5905kB/s), 1442KiB/s-5418KiB/s (1476kB/s-5548kB/s), io=16.0MiB (16.8MB), run=2268-2841msec WRITE: bw=11.3MiB/s (11.8MB/s), 2883KiB/s-6440KiB/s (2953kB/s-6595kB/s), io=32.0MiB (33.6MB), run=1908-2841msec