== sanity test 398b: DIO and buffer IO race ============== 09:26:08 (1787145968) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.32048 s, 9.5 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=144821: Wed Aug 19 09:28:42 2026 read: IOPS=11, BW=44.8KiB/s (45.9kB/s)(5992KiB/133809msec) clat (usec): min=35, max=940874, avg=44643.46, stdev=40565.51 lat (usec): min=35, max=940875, avg=44648.01, stdev=40566.91 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 8291], 20.00th=[ 20055], | 30.00th=[ 25822], 40.00th=[ 30540], 50.00th=[ 36439], 60.00th=[ 43254], | 70.00th=[ 53216], 80.00th=[ 66323], 90.00th=[ 89654], 95.00th=[111674], | 99.00th=[152044], 99.50th=[175113], 99.90th=[320865], 99.95th=[943719], | 99.99th=[943719] bw ( KiB/s): min= 7, max= 111, per=25.32%, avg=44.56, stdev=19.93, samples=262 iops : min= 1, max= 27, avg=10.50, stdev= 5.01, samples=262 write: IOPS=11, BW=47.1KiB/s (48.2kB/s)(6296KiB/133809msec); 0 zone resets clat (usec): min=968, max=480200, avg=42232.44, stdev=46635.81 lat (usec): min=970, max=480201, avg=42235.40, stdev=46635.43 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1172], 10.00th=[ 1336], 20.00th=[ 3720], | 30.00th=[ 8455], 40.00th=[ 17433], 50.00th=[ 30016], 60.00th=[ 41681], | 70.00th=[ 54789], 80.00th=[ 72877], 90.00th=[102237], 95.00th=[130548], | 99.00th=[204473], 99.50th=[235930], 99.90th=[446694], 99.95th=[480248], | 99.99th=[480248] bw ( KiB/s): min= 7, max= 111, per=25.65%, avg=47.20, stdev=22.00, samples=260 iops : min= 1, max= 27, avg=11.16, stdev= 5.55, samples=260 lat (usec) : 50=0.42%, 100=3.74%, 250=0.33%, 500=0.07%, 750=0.10% lat (usec) : 1000=0.13% lat (msec) : 2=7.39%, 4=3.29%, 10=6.05%, 20=9.57%, 50=36.04% lat (msec) : 100=24.12%, 250=8.50%, 500=0.23%, 1000=0.03% cpu : usr=0.07%, sys=4.82%, ctx=6325, 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=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=144823: Wed Aug 19 09:28:42 2026 read: IOPS=10, BW=43.8KiB/s (44.8kB/s)(5940KiB/135649msec) clat (usec): min=30, max=397149, avg=43613.20, stdev=35344.41 lat (usec): min=31, max=397150, avg=43614.62, stdev=35344.23 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 60], 10.00th=[ 379], 20.00th=[ 20055], | 30.00th=[ 25035], 40.00th=[ 29754], 50.00th=[ 35390], 60.00th=[ 42730], | 70.00th=[ 52691], 80.00th=[ 64750], 90.00th=[ 84411], 95.00th=[105382], | 99.00th=[166724], 99.50th=[196084], 99.90th=[270533], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 7, max= 136, per=24.73%, avg=43.53, stdev=21.94, samples=266 iops : min= 1, max= 34, avg=10.24, stdev= 5.52, samples=266 write: IOPS=11, BW=46.8KiB/s (47.9kB/s)(6348KiB/135649msec); 0 zone resets clat (usec): min=956, max=940602, avg=44373.97, stdev=51941.98 lat (usec): min=957, max=940604, avg=44377.23, stdev=51940.92 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1205], 10.00th=[ 1467], 20.00th=[ 4113], | 30.00th=[ 7570], 40.00th=[ 19006], 50.00th=[ 29492], 60.00th=[ 42730], | 70.00th=[ 57934], 80.00th=[ 78119], 90.00th=[105382], 95.00th=[135267], | 99.00th=[204473], 99.50th=[250610], 99.90th=[367002], 99.95th=[943719], | 99.99th=[943719] bw ( KiB/s): min= 7, max= 168, per=25.36%, avg=46.66, stdev=23.15, samples=265 iops : min= 1, max= 42, avg=11.03, stdev= 5.83, samples=265 lat (usec) : 50=0.52%, 100=4.13%, 250=0.10%, 500=0.10%, 750=0.13% lat (usec) : 1000=0.16% lat (msec) : 2=6.12%, 4=3.81%, 10=6.87%, 20=9.08%, 50=35.35% lat (msec) : 100=24.51%, 250=8.79%, 500=0.29%, 1000=0.03% cpu : usr=0.09%, sys=4.88%, ctx=6314, 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=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=144824: Wed Aug 19 09:28:42 2026 read: IOPS=11, BW=44.3KiB/s (45.4kB/s)(6028KiB/136037msec) clat (usec): min=15, max=284918, avg=42226.91, stdev=33044.18 lat (usec): min=15, max=284919, avg=42228.95, stdev=33045.02 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 61], 10.00th=[ 668], 20.00th=[ 18482], | 30.00th=[ 24249], 40.00th=[ 29230], 50.00th=[ 34341], 60.00th=[ 41681], | 70.00th=[ 51119], 80.00th=[ 62653], 90.00th=[ 83362], 95.00th=[104334], | 99.00th=[152044], 99.50th=[181404], 99.90th=[231736], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 7, max= 141, per=25.44%, avg=44.77, stdev=22.94, samples=263 iops : min= 1, max= 35, avg=10.55, stdev= 5.78, samples=263 write: IOPS=11, BW=46.0KiB/s (47.1kB/s)(6260KiB/136037msec); 0 zone resets clat (usec): min=837, max=950053, avg=45993.15, stdev=55722.82 lat (usec): min=837, max=950055, avg=46000.04, stdev=55721.01 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1188], 10.00th=[ 1582], 20.00th=[ 4113], | 30.00th=[ 7963], 40.00th=[ 16909], 50.00th=[ 30802], 60.00th=[ 44303], | 70.00th=[ 60031], 80.00th=[ 78119], 90.00th=[108528], 95.00th=[141558], | 99.00th=[250610], 99.50th=[274727], 99.90th=[367002], 99.95th=[952108], | 99.99th=[952108] bw ( KiB/s): min= 7, max= 159, per=24.98%, avg=45.96, stdev=21.50, samples=266 iops : min= 1, max= 39, avg=10.85, stdev= 5.42, samples=266 lat (usec) : 20=0.03%, 50=0.78%, 100=3.61%, 250=0.29%, 500=0.13% lat (usec) : 750=0.07%, 1000=0.20% lat (msec) : 2=6.32%, 4=3.65%, 10=7.13%, 20=9.96%, 50=34.05% lat (msec) : 100=24.97%, 250=8.27%, 500=0.52%, 1000=0.03% cpu : usr=0.08%, sys=4.69%, ctx=6420, 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=144827: Wed Aug 19 09:28:42 2026 read: IOPS=11, BW=45.0KiB/s (46.1kB/s)(6052KiB/134430msec) clat (usec): min=32, max=395968, avg=42953.96, stdev=35738.34 lat (usec): min=32, max=395969, avg=42956.32, stdev=35738.49 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 97], 20.00th=[ 19268], | 30.00th=[ 24249], 40.00th=[ 28967], 50.00th=[ 35390], 60.00th=[ 42206], | 70.00th=[ 52691], 80.00th=[ 65274], 90.00th=[ 84411], 95.00th=[100140], | 99.00th=[168821], 99.50th=[210764], 99.90th=[367002], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 7, max= 120, per=25.56%, avg=44.98, stdev=21.20, samples=262 iops : min= 1, max= 30, avg=10.61, stdev= 5.35, samples=262 write: IOPS=11, BW=46.4KiB/s (47.5kB/s)(6236KiB/134430msec); 0 zone resets clat (usec): min=718, max=941136, avg=44269.73, stdev=53220.64 lat (usec): min=719, max=941137, avg=44272.65, stdev=53220.53 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1188], 10.00th=[ 1401], 20.00th=[ 3785], | 30.00th=[ 8094], 40.00th=[ 19006], 50.00th=[ 30802], 60.00th=[ 42206], | 70.00th=[ 56886], 80.00th=[ 77071], 90.00th=[105382], 95.00th=[135267], | 99.00th=[198181], 99.50th=[246416], 99.90th=[446694], 99.95th=[943719], | 99.99th=[943719] bw ( KiB/s): min= 7, max= 131, per=25.07%, avg=46.14, stdev=21.79, samples=263 iops : min= 1, max= 32, avg=10.89, stdev= 5.48, samples=263 lat (usec) : 50=0.62%, 100=4.39%, 250=0.46%, 500=0.16%, 750=0.13% lat (usec) : 1000=0.26% lat (msec) : 2=6.77%, 4=3.68%, 10=5.79%, 20=8.76%, 50=35.74% lat (msec) : 100=24.93%, 250=7.94%, 500=0.33%, 1000=0.03% cpu : usr=0.09%, sys=4.88%, ctx=6216, 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=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=177KiB/s (181kB/s), 43.8KiB/s-45.0KiB/s (44.8kB/s-46.1kB/s), io=23.4MiB (24.6MB), run=133809-136037msec WRITE: bw=185KiB/s (189kB/s), 46.0KiB/s-47.1KiB/s (47.1kB/s-48.2kB/s), io=24.6MiB (25.7MB), run=133809-136037msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144820: Wed Aug 19 09:31:19 2026 read: IOPS=5, BW=20.4KiB/s (20.9kB/s)(5992KiB/293089msec) clat (msec): min=5, max=944, avg=39.43, stdev=47.35 lat (msec): min=5, max=944, avg=39.43, stdev=47.35 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 42], 80.00th=[ 55], 90.00th=[ 80], 95.00th=[ 109], | 99.00th=[ 209], 99.50th=[ 253], 99.90th=[ 558], 99.95th=[ 944], | 99.99th=[ 944] bw ( KiB/s): min= 7, max= 95, per=29.41%, avg=23.82, stdev=15.73, samples=485 iops : min= 1, max= 23, avg= 5.33, stdev= 3.98, samples=485 write: IOPS=5, BW=21.5KiB/s (21.0kB/s)(6296KiB/293089msec); 0 zone resets clat (msec): min=33, max=618, avg=148.43, stdev=74.72 lat (msec): min=33, max=618, avg=148.44, stdev=74.72 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 61], 10.00th=[ 72], 20.00th=[ 88], | 30.00th=[ 102], 40.00th=[ 116], 50.00th=[ 132], 60.00th=[ 148], | 70.00th=[ 171], 80.00th=[ 201], 90.00th=[ 253], 95.00th=[ 296], | 99.00th=[ 388], 99.50th=[ 439], 99.90th=[ 600], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 7, max= 56, per=25.09%, avg=21.33, stdev=10.27, samples=566 iops : min= 1, max= 14, avg= 4.69, stdev= 2.63, samples=566 lat (msec) : 10=3.42%, 20=13.96%, 50=21.48%, 100=21.58%, 250=34.05% lat (msec) : 500=5.31%, 750=0.16%, 1000=0.03% cpu : usr=0.05%, sys=1.08%, ctx=5328, 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=144822: Wed Aug 19 09:31:19 2026 read: IOPS=5, BW=20.4KiB/s (20.8kB/s)(5940KiB/291854msec) clat (msec): min=5, max=863, avg=39.42, stdev=43.91 lat (msec): min=5, max=863, avg=39.42, stdev=43.91 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 42], 80.00th=[ 56], 90.00th=[ 83], 95.00th=[ 111], | 99.00th=[ 197], 99.50th=[ 275], 99.90th=[ 426], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 7, max= 95, per=29.23%, avg=23.67, stdev=16.23, samples=484 iops : min= 1, max= 23, avg= 5.29, stdev= 4.08, samples=484 write: IOPS=5, BW=21.8KiB/s (22.3kB/s)(6348KiB/291854msec); 0 zone resets clat (msec): min=36, max=589, avg=146.78, stdev=74.27 lat (msec): min=36, max=590, avg=146.78, stdev=74.27 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 62], 10.00th=[ 71], 20.00th=[ 86], | 30.00th=[ 99], 40.00th=[ 113], 50.00th=[ 131], 60.00th=[ 148], | 70.00th=[ 169], 80.00th=[ 201], 90.00th=[ 245], 95.00th=[ 292], | 99.00th=[ 380], 99.50th=[ 456], 99.90th=[ 542], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 7, max= 63, per=25.35%, avg=21.55, stdev=10.54, samples=566 iops : min= 1, max= 15, avg= 4.75, stdev= 2.70, samples=566 lat (msec) : 10=3.78%, 20=14.26%, 50=19.82%, 100=23.50%, 250=33.53% lat (msec) : 500=4.95%, 750=0.13%, 1000=0.03% cpu : usr=0.04%, sys=1.03%, ctx=5247, 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=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=144825: Wed Aug 19 09:31:19 2026 read: IOPS=5, BW=20.6KiB/s (21.1kB/s)(6028KiB/292219msec) clat (msec): min=4, max=565, avg=40.73, stdev=41.68 lat (msec): min=4, max=565, avg=40.73, stdev=41.68 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 18], 40.00th=[ 23], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 45], 80.00th=[ 58], 90.00th=[ 87], 95.00th=[ 118], | 99.00th=[ 186], 99.50th=[ 222], 99.90th=[ 558], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 7, max= 112, per=29.20%, avg=23.65, stdev=17.01, samples=491 iops : min= 1, max= 28, avg= 5.28, stdev= 4.29, samples=491 write: IOPS=5, BW=21.4KiB/s (21.9kB/s)(6260KiB/292219msec); 0 zone resets clat (msec): min=29, max=931, avg=147.26, stdev=79.10 lat (msec): min=29, max=931, avg=147.26, stdev=79.10 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 61], 10.00th=[ 73], 20.00th=[ 86], | 30.00th=[ 100], 40.00th=[ 113], 50.00th=[ 129], 60.00th=[ 146], | 70.00th=[ 165], 80.00th=[ 197], 90.00th=[ 253], 95.00th=[ 292], | 99.00th=[ 405], 99.50th=[ 485], 99.90th=[ 600], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7, max= 56, per=25.06%, avg=21.30, stdev=10.72, samples=563 iops : min= 1, max= 14, avg= 4.69, stdev= 2.75, samples=563 lat (msec) : 10=4.46%, 20=13.02%, 50=19.86%, 100=24.09%, 250=33.11% lat (msec) : 500=5.21%, 750=0.23%, 1000=0.03% cpu : usr=0.04%, sys=1.05%, ctx=5251, 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=144826: Wed Aug 19 09:31:19 2026 read: IOPS=5, BW=20.8KiB/s (21.3kB/s)(6052KiB/291032msec) clat (msec): min=4, max=538, avg=39.47, stdev=41.37 lat (msec): min=4, max=538, avg=39.47, stdev=41.37 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 34], | 70.00th=[ 42], 80.00th=[ 55], 90.00th=[ 84], 95.00th=[ 116], | 99.00th=[ 188], 99.50th=[ 251], 99.90th=[ 518], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 7, max= 96, per=29.07%, avg=23.55, stdev=16.12, samples=495 iops : min= 1, max= 24, avg= 5.25, stdev= 4.06, samples=495 write: IOPS=5, BW=21.4KiB/s (21.9kB/s)(6236KiB/291032msec); 0 zone resets clat (msec): min=32, max=992, avg=148.14, stdev=76.62 lat (msec): min=32, max=992, avg=148.14, stdev=76.62 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 62], 10.00th=[ 71], 20.00th=[ 87], | 30.00th=[ 103], 40.00th=[ 117], 50.00th=[ 132], 60.00th=[ 150], | 70.00th=[ 169], 80.00th=[ 199], 90.00th=[ 243], 95.00th=[ 296], | 99.00th=[ 388], 99.50th=[ 443], 99.90th=[ 592], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 7, max= 64, per=24.93%, avg=21.19, stdev=10.19, samples=564 iops : min= 1, max= 16, avg= 4.66, stdev= 2.61, samples=564 lat (msec) : 10=4.10%, 20=14.23%, 50=19.99%, 100=22.23%, 250=34.70% lat (msec) : 500=4.52%, 750=0.20%, 1000=0.03% cpu : usr=0.04%, sys=1.05%, ctx=5281, 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=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=81.9KiB/s (83.9kB/s), 20.4KiB/s-20.8KiB/s (20.8kB/s-21.3kB/s), io=23.4MiB (24.6MB), run=291032-293089msec WRITE: bw=85.8KiB/s (87.8kB/s), 21.4KiB/s-21.8KiB/s (21.9kB/s-22.3kB/s), io=24.6MiB (25.7MB), run=291032-293089msec 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=144887: Wed Aug 19 09:31:58 2026 read: IOPS=13, BW=219KiB/s (224kB/s)(5920KiB/27029msec) clat (usec): min=24, max=164614, avg=33956.11, stdev=33546.75 lat (usec): min=24, max=164616, avg=33957.61, stdev=33546.71 clat percentiles (usec): | 1.00th=[ 39], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 67], | 30.00th=[ 155], 40.00th=[ 24511], 50.00th=[ 31065], 60.00th=[ 36963], | 70.00th=[ 42730], 80.00th=[ 56361], 90.00th=[ 69731], 95.00th=[102237], | 99.00th=[149947], 99.50th=[162530], 99.90th=[164627], 99.95th=[164627], | 99.99th=[164627] bw ( KiB/s): min= 62, max= 416, per=24.82%, avg=219.66, stdev=84.68, samples=53 iops : min= 3, max= 26, avg=13.02, stdev= 5.40, samples=53 write: IOPS=14, BW=236KiB/s (241kB/s)(6368KiB/27029msec); 0 zone resets clat (usec): min=1347, max=272860, avg=35713.47, stdev=40342.10 lat (usec): min=1348, max=272863, avg=35716.71, stdev=40342.72 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1647], 10.00th=[ 2073], 20.00th=[ 3916], | 30.00th=[ 6587], 40.00th=[ 11207], 50.00th=[ 17957], 60.00th=[ 31851], | 70.00th=[ 45351], 80.00th=[ 67634], 90.00th=[ 91751], 95.00th=[112722], | 99.00th=[189793], 99.50th=[204473], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 28, max= 480, per=25.38%, avg=236.32, stdev=97.14, samples=53 iops : min= 1, max= 30, avg=14.08, stdev= 6.12, samples=53 lat (usec) : 50=1.56%, 100=12.24%, 250=0.65%, 500=0.13%, 750=0.13% lat (msec) : 2=5.08%, 4=5.60%, 10=9.38%, 20=8.72%, 50=30.08% lat (msec) : 100=20.31%, 250=5.99%, 500=0.13% cpu : usr=0.07%, sys=5.90%, ctx=1307, 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=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=144888: Wed Aug 19 09:31:58 2026 read: IOPS=13, BW=212KiB/s (217kB/s)(5744KiB/27054msec) clat (usec): min=35, max=187143, avg=38248.21, stdev=34316.17 lat (usec): min=35, max=187145, avg=38249.28, stdev=34316.22 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 52], 10.00th=[ 61], 20.00th=[ 91], | 30.00th=[ 19268], 40.00th=[ 27132], 50.00th=[ 33162], 60.00th=[ 41681], | 70.00th=[ 50070], 80.00th=[ 62129], 90.00th=[ 81265], 95.00th=[102237], | 99.00th=[152044], 99.50th=[181404], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 31, max= 669, per=24.13%, avg=213.57, stdev=111.86, samples=53 iops : min= 1, max= 41, avg=12.62, stdev= 7.05, samples=53 write: IOPS=15, BW=242KiB/s (248kB/s)(6544KiB/27054msec); 0 zone resets clat (usec): min=1235, max=320639, avg=32418.23, stdev=40802.41 lat (usec): min=1238, max=320642, avg=32420.77, stdev=40802.11 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1663], 10.00th=[ 1860], 20.00th=[ 3458], | 30.00th=[ 6063], 40.00th=[ 9372], 50.00th=[ 17171], 60.00th=[ 26608], | 70.00th=[ 36963], 80.00th=[ 56886], 90.00th=[ 83362], 95.00th=[112722], | 99.00th=[166724], 99.50th=[189793], 99.90th=[320865], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 62, max= 475, per=25.94%, avg=241.53, stdev=93.56, samples=53 iops : min= 3, max= 29, avg=14.40, stdev= 5.92, samples=53 lat (usec) : 50=1.69%, 100=7.94%, 250=1.04%, 500=0.26% lat (msec) : 2=5.99%, 4=6.38%, 10=9.77%, 20=10.42%, 50=30.21% lat (msec) : 100=19.92%, 250=6.12%, 500=0.26% cpu : usr=0.07%, sys=6.18%, ctx=1372, 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=144889: Wed Aug 19 09:31:58 2026 read: IOPS=15, BW=244KiB/s (250kB/s)(6256KiB/25659msec) clat (usec): min=31, max=267267, avg=34692.00, stdev=34185.08 lat (usec): min=31, max=267269, avg=34693.06, stdev=34185.08 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 50], 10.00th=[ 59], 20.00th=[ 71], | 30.00th=[ 1565], 40.00th=[ 23725], 50.00th=[ 31589], 60.00th=[ 39584], | 70.00th=[ 45876], 80.00th=[ 57410], 90.00th=[ 73925], 95.00th=[ 94897], | 99.00th=[164627], 99.50th=[217056], 99.90th=[267387], 99.95th=[267387], | 99.99th=[267387] bw ( KiB/s): min= 62, max= 506, per=27.78%, avg=245.86, stdev=94.35, samples=50 iops : min= 3, max= 31, avg=14.66, stdev= 5.92, samples=50 write: IOPS=14, BW=235KiB/s (241kB/s)(6032KiB/25659msec); 0 zone resets clat (usec): min=1347, max=220749, avg=31526.63, stdev=34146.94 lat (usec): min=1350, max=220751, avg=31534.61, stdev=34157.57 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1647], 10.00th=[ 1975], 20.00th=[ 3621], | 30.00th=[ 6259], 40.00th=[ 10814], 50.00th=[ 18744], 60.00th=[ 29492], | 70.00th=[ 42206], 80.00th=[ 57934], 90.00th=[ 80217], 95.00th=[105382], | 99.00th=[145753], 99.50th=[164627], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 63, max= 509, per=25.19%, avg=234.54, stdev=105.69, samples=50 iops : min= 3, max= 31, avg=13.94, stdev= 6.64, samples=50 lat (usec) : 50=2.86%, 100=10.68%, 250=0.91%, 500=0.26%, 750=0.39% lat (msec) : 2=5.21%, 4=5.60%, 10=8.59%, 20=8.85%, 50=31.12% lat (msec) : 100=20.70%, 250=4.69%, 500=0.13% cpu : usr=0.07%, sys=6.17%, ctx=1304, 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=144890: Wed Aug 19 09:31:58 2026 read: IOPS=15, BW=241KiB/s (246kB/s)(6032KiB/25081msec) clat (usec): min=23, max=187239, avg=33698.00, stdev=31718.11 lat (usec): min=23, max=187240, avg=33708.92, stdev=31715.93 clat percentiles (usec): | 1.00th=[ 36], 5.00th=[ 45], 10.00th=[ 58], 20.00th=[ 68], | 30.00th=[ 848], 40.00th=[ 24773], 50.00th=[ 31065], 60.00th=[ 36963], | 70.00th=[ 46924], 80.00th=[ 54789], 90.00th=[ 70779], 95.00th=[ 90702], | 99.00th=[141558], 99.50th=[181404], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 31, max= 512, per=27.14%, avg=240.18, stdev=92.54, samples=49 iops : min= 1, max= 32, avg=14.33, stdev= 5.82, samples=49 write: IOPS=15, BW=249KiB/s (255kB/s)(6256KiB/25081msec); 0 zone resets clat (usec): min=1020, max=262287, avg=30889.56, stdev=39293.13 lat (usec): min=1021, max=262289, avg=30893.42, stdev=39292.61 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1631], 10.00th=[ 2040], 20.00th=[ 3392], | 30.00th=[ 5473], 40.00th=[ 8717], 50.00th=[ 13698], 60.00th=[ 23462], | 70.00th=[ 36963], 80.00th=[ 55837], 90.00th=[ 83362], 95.00th=[106431], | 99.00th=[181404], 99.50th=[256902], 99.90th=[263193], 99.95th=[263193], | 99.99th=[263193] bw ( KiB/s): min= 95, max= 479, per=27.00%, avg=251.39, stdev=103.71, samples=49 iops : min= 5, max= 29, avg=15.02, stdev= 6.50, samples=49 lat (usec) : 50=2.99%, 100=10.55%, 250=0.78%, 500=0.26%, 1000=0.26% lat (msec) : 2=4.69%, 4=7.55%, 10=9.38%, 20=8.59%, 50=30.08% lat (msec) : 100=20.44%, 250=4.17%, 500=0.26% cpu : usr=0.09%, sys=6.00%, ctx=1297, 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=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=885KiB/s (907kB/s), 212KiB/s-244KiB/s (217kB/s-250kB/s), io=23.4MiB (24.5MB), run=25081-27054msec WRITE: bw=931KiB/s (954kB/s), 235KiB/s-249KiB/s (241kB/s-255kB/s), io=24.6MiB (25.8MB), run=25081-27054msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144891: Wed Aug 19 09:32:44 2026 read: IOPS=5, BW=81.9KiB/s (83.9kB/s)(5920KiB/72264msec) clat (msec): min=5, max=214, avg=37.80, stdev=35.69 lat (msec): min=5, max=214, avg=37.80, stdev=35.69 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 30], | 70.00th=[ 36], 80.00th=[ 50], 90.00th=[ 80], 95.00th=[ 121], | 99.00th=[ 184], 99.50th=[ 190], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 30, max= 414, per=29.58%, avg=97.01, stdev=66.71, samples=120 iops : min= 1, max= 25, avg= 5.32, stdev= 4.26, samples=120 write: IOPS=5, BW=88.1KiB/s (90.2kB/s)(6368KiB/72264msec); 0 zone resets clat (msec): min=38, max=570, avg=146.11, stdev=71.28 lat (msec): min=38, max=570, avg=146.11, stdev=71.28 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 70], 10.00th=[ 79], 20.00th=[ 93], | 30.00th=[ 103], 40.00th=[ 115], 50.00th=[ 129], 60.00th=[ 144], | 70.00th=[ 163], 80.00th=[ 190], 90.00th=[ 236], 95.00th=[ 292], | 99.00th=[ 443], 99.50th=[ 472], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 30, max= 191, per=25.74%, avg=88.80, stdev=37.84, samples=141 iops : min= 1, max= 11, avg= 4.79, stdev= 2.47, samples=141 lat (msec) : 10=1.82%, 20=14.84%, 50=22.92%, 100=19.14%, 250=36.59% lat (msec) : 500=4.56%, 750=0.13% cpu : usr=0.04%, sys=1.21%, ctx=1364, 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=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=144892: Wed Aug 19 09:32:44 2026 read: IOPS=4, BW=78.7KiB/s (80.6kB/s)(5744KiB/72962msec) clat (msec): min=5, max=201, avg=39.75, stdev=35.38 lat (msec): min=5, max=201, avg=39.76, stdev=35.38 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 41], 80.00th=[ 59], 90.00th=[ 88], 95.00th=[ 122], | 99.00th=[ 169], 99.50th=[ 188], 99.90th=[ 203], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 29, max= 318, per=28.61%, avg=93.85, stdev=62.13, samples=119 iops : min= 1, max= 19, avg= 5.14, stdev= 3.93, samples=119 write: IOPS=5, BW=89.7KiB/s (91.8kB/s)(6544KiB/72962msec); 0 zone resets clat (msec): min=28, max=534, avg=142.80, stdev=67.03 lat (msec): min=28, max=534, avg=142.81, stdev=67.03 clat percentiles (msec): | 1.00th=[ 38], 5.00th=[ 63], 10.00th=[ 71], 20.00th=[ 89], | 30.00th=[ 105], 40.00th=[ 120], 50.00th=[ 132], 60.00th=[ 150], | 70.00th=[ 165], 80.00th=[ 186], 90.00th=[ 222], 95.00th=[ 266], | 99.00th=[ 380], 99.50th=[ 397], 99.90th=[ 535], 99.95th=[ 535], | 99.99th=[ 535] bw ( KiB/s): min= 30, max= 222, per=25.95%, avg=89.51, stdev=37.94, samples=142 iops : min= 1, max= 13, avg= 4.85, stdev= 2.44, samples=142 lat (msec) : 10=3.12%, 20=11.59%, 50=22.53%, 100=19.92%, 250=39.71% lat (msec) : 500=2.99%, 750=0.13% cpu : usr=0.03%, sys=1.11%, ctx=1262, 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=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=144893: Wed Aug 19 09:32:44 2026 read: IOPS=5, BW=89.2KiB/s (91.3kB/s)(6256KiB/70144msec) clat (msec): min=5, max=212, avg=36.14, stdev=31.22 lat (msec): min=5, max=212, avg=36.14, stdev=31.22 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 37], 80.00th=[ 47], 90.00th=[ 81], 95.00th=[ 101], | 99.00th=[ 174], 99.50th=[ 178], 99.90th=[ 213], 99.95th=[ 213], | 99.99th=[ 213] bw ( KiB/s): min= 29, max= 288, per=30.15%, avg=98.89, stdev=66.24, samples=125 iops : min= 1, max= 18, avg= 5.47, stdev= 4.21, samples=125 write: IOPS=5, BW=85.0KiB/s (88.1kB/s)(6032KiB/70144msec); 0 zone resets clat (msec): min=53, max=567, avg=147.78, stdev=65.22 lat (msec): min=53, max=567, avg=147.78, stdev=65.22 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 73], 10.00th=[ 81], 20.00th=[ 96], | 30.00th=[ 109], 40.00th=[ 121], 50.00th=[ 134], 60.00th=[ 153], | 70.00th=[ 169], 80.00th=[ 190], 90.00th=[ 226], 95.00th=[ 264], | 99.00th=[ 414], 99.50th=[ 443], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 30, max= 160, per=24.96%, avg=86.12, stdev=33.48, samples=137 iops : min= 1, max= 10, avg= 4.65, stdev= 2.18, samples=137 lat (msec) : 10=1.69%, 20=16.02%, 50=23.83%, 100=18.23%, 250=37.11% lat (msec) : 500=2.99%, 750=0.13% cpu : usr=0.04%, sys=1.20%, ctx=1427, 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=144894: Wed Aug 19 09:32:44 2026 read: IOPS=5, BW=85.2KiB/s (87.3kB/s)(6032KiB/70779msec) clat (msec): min=6, max=269, avg=36.74, stdev=35.38 lat (msec): min=6, max=269, avg=36.74, stdev=35.38 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 29], | 70.00th=[ 37], 80.00th=[ 46], 90.00th=[ 73], 95.00th=[ 106], | 99.00th=[ 180], 99.50th=[ 230], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 31, max= 284, per=30.26%, avg=99.26, stdev=62.24, samples=119 iops : min= 1, max= 17, avg= 5.47, stdev= 3.96, samples=119 write: IOPS=5, BW=88.4KiB/s (90.5kB/s)(6256KiB/70779msec); 0 zone resets clat (msec): min=44, max=475, avg=144.60, stdev=69.99 lat (msec): min=44, max=475, avg=144.60, stdev=69.99 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 69], 10.00th=[ 80], 20.00th=[ 90], | 30.00th=[ 101], 40.00th=[ 117], 50.00th=[ 129], 60.00th=[ 144], | 70.00th=[ 159], 80.00th=[ 188], 90.00th=[ 226], 95.00th=[ 300], | 99.00th=[ 409], 99.50th=[ 472], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 21, max= 192, per=25.81%, avg=89.04, stdev=38.80, samples=138 iops : min= 1, max= 12, avg= 4.83, stdev= 2.49, samples=138 lat (msec) : 10=2.60%, 20=14.58%, 50=23.44%, 100=20.31%, 250=34.90% lat (msec) : 500=4.17% cpu : usr=0.04%, sys=1.12%, ctx=1245, 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=328KiB/s (336kB/s), 78.7KiB/s-89.2KiB/s (80.6kB/s-91.3kB/s), io=23.4MiB (24.5MB), run=70144-72962msec WRITE: bw=345KiB/s (354kB/s), 85.0KiB/s-89.7KiB/s (88.1kB/s-91.8kB/s), io=24.6MiB (25.8MB), run=70144-72962msec 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=144918: Wed Aug 19 09:32:59 2026 read: IOPS=1, BW=1357KiB/s (1389kB/s)(7168KiB/5283msec) clat (msec): min=106, max=856, avg=325.95, stdev=311.53 lat (msec): min=106, max=856, avg=325.96, stdev=311.53 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 107], 10.00th=[ 107], 20.00th=[ 132], | 30.00th=[ 155], 40.00th=[ 155], 50.00th=[ 159], 60.00th=[ 180], | 70.00th=[ 180], 80.00th=[ 693], 90.00th=[ 860], 95.00th=[ 860], | 99.00th=[ 860], 99.50th=[ 860], 99.90th=[ 860], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 1980, max= 4071, per=76.45%, avg=2520.50, stdev=1033.92, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=0, BW=969KiB/s (992kB/s)(5120KiB/5283msec); 0 zone resets clat (msec): min=201, max=946, avg=483.83, stdev=317.88 lat (msec): min=201, max=946, avg=484.01, stdev=317.95 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 203], 10.00th=[ 203], 20.00th=[ 203], | 30.00th=[ 249], 40.00th=[ 249], 50.00th=[ 347], 60.00th=[ 347], | 70.00th=[ 676], 80.00th=[ 676], 90.00th=[ 944], 95.00th=[ 944], | 99.00th=[ 944], 99.50th=[ 944], 99.90th=[ 944], 99.95th=[ 944], | 99.99th=[ 944] bw ( KiB/s): min= 2007, max= 2027, per=43.68%, avg=2016.33, stdev=10.07, samples=3 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=3 lat (msec) : 250=58.33%, 500=8.33%, 750=16.67%, 1000=16.67% cpu : usr=0.04%, sys=2.65%, ctx=78, 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=144919: Wed Aug 19 09:32:59 2026 read: IOPS=0, BW=330KiB/s (338kB/s)(2048KiB/6211msec) clat (usec): min=222599, max=222838, avg=222718.67, stdev=169.19 lat (usec): min=222602, max=222839, avg=222720.78, stdev=167.73 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 224], 10.00th=[ 224], 20.00th=[ 224], | 30.00th=[ 224], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 224], | 70.00th=[ 224], 80.00th=[ 224], 90.00th=[ 224], 95.00th=[ 224], | 99.00th=[ 224], 99.50th=[ 224], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 1368, max= 2015, per=51.30%, avg=1691.50, stdev=457.50, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1649KiB/s (1688kB/s)(10.0MiB/6211msec); 0 zone resets clat (msec): min=233, max=1814, avg=560.77, stdev=468.83 lat (msec): min=233, max=1814, avg=560.87, stdev=468.83 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 234], 10.00th=[ 234], 20.00th=[ 279], | 30.00th=[ 334], 40.00th=[ 334], 50.00th=[ 342], 60.00th=[ 380], | 70.00th=[ 527], 80.00th=[ 651], 90.00th=[ 718], 95.00th=[ 1821], | 99.00th=[ 1821], 99.50th=[ 1821], 99.90th=[ 1821], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 1980, max= 4087, per=56.23%, avg=2595.43, stdev=1008.19, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 250=25.00%, 500=41.67%, 750=25.00%, 2000=8.33% cpu : usr=0.03%, sys=1.88%, ctx=56, 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=144920: Wed Aug 19 09:32:59 2026 read: IOPS=0, BW=1001KiB/s (1025kB/s)(6144KiB/6139msec) clat (msec): min=98, max=1126, avg=318.23, stdev=398.55 lat (msec): min=98, max=1126, avg=318.24, stdev=398.55 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 99], 10.00th=[ 99], 20.00th=[ 126], | 30.00th=[ 126], 40.00th=[ 148], 50.00th=[ 148], 60.00th=[ 180], | 70.00th=[ 234], 80.00th=[ 234], 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= 2011, max= 4079, per=100.00%, avg=3371.00, stdev=1178.13, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=0, BW=1001KiB/s (1025kB/s)(6144KiB/6139msec); 0 zone resets clat (msec): min=186, max=1201, avg=689.12, stdev=388.22 lat (msec): min=186, max=1201, avg=689.22, stdev=388.22 clat percentiles (msec): | 1.00th=[ 188], 5.00th=[ 188], 10.00th=[ 188], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 659], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 1045], 80.00th=[ 1045], 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= 2011, max= 4063, per=52.77%, avg=2435.80, stdev=909.72, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 100=8.33%, 250=41.67%, 500=8.33%, 750=16.67%, 2000=25.00% cpu : usr=0.00%, sys=1.71%, ctx=85, 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=144921: Wed Aug 19 09:32:59 2026 read: IOPS=0, BW=919KiB/s (941kB/s)(5120KiB/5572msec) clat (msec): min=132, max=254, avg=181.91, stdev=51.06 lat (msec): min=132, max=254, avg=181.91, stdev=51.06 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 133], 10.00th=[ 133], 20.00th=[ 133], | 30.00th=[ 142], 40.00th=[ 142], 50.00th=[ 169], 60.00th=[ 169], | 70.00th=[ 213], 80.00th=[ 213], 90.00th=[ 255], 95.00th=[ 255], | 99.00th=[ 255], 99.50th=[ 255], 99.90th=[ 255], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 4031, max= 4055, per=100.00%, avg=4043.00, stdev=16.97, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1286KiB/s (1317kB/s)(7168KiB/5572msec); 0 zone resets clat (msec): min=176, max=1646, avg=584.61, stdev=550.18 lat (msec): min=176, max=1646, avg=584.84, stdev=550.10 clat percentiles (msec): | 1.00th=[ 178], 5.00th=[ 178], 10.00th=[ 178], 20.00th=[ 228], | 30.00th=[ 241], 40.00th=[ 241], 50.00th=[ 376], 60.00th=[ 397], | 70.00th=[ 397], 80.00th=[ 1028], 90.00th=[ 1653], 95.00th=[ 1653], | 99.00th=[ 1653], 99.50th=[ 1653], 99.90th=[ 1653], 99.95th=[ 1653], | 99.99th=[ 1653] bw ( KiB/s): min= 1980, max= 4000, per=52.33%, avg=2415.40, stdev=886.11, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=58.33%, 500=25.00%, 2000=16.67% cpu : usr=0.04%, sys=2.71%, ctx=82, 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=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=3297KiB/s (3377kB/s), 330KiB/s-1357KiB/s (338kB/s-1389kB/s), io=20.0MiB (20.0MB), run=5283-6211msec WRITE: bw=4616KiB/s (4727kB/s), 969KiB/s-1649KiB/s (992kB/s-1688kB/s), io=28.0MiB (29.4MB), run=5283-6211msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144914: Wed Aug 19 09:32:59 2026 read: IOPS=1, BW=1846KiB/s (1891kB/s)(7168KiB/3882msec) clat (msec): min=134, max=505, avg=304.54, stdev=143.94 lat (msec): min=134, max=505, avg=304.54, stdev=143.94 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 192], | 30.00th=[ 222], 40.00th=[ 222], 50.00th=[ 264], 60.00th=[ 326], | 70.00th=[ 326], 80.00th=[ 489], 90.00th=[ 506], 95.00th=[ 506], | 99.00th=[ 506], 99.50th=[ 506], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 1521, max= 4039, per=71.26%, avg=2333.00, stdev=979.36, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1319KiB/s (1351kB/s)(5120KiB/3882msec); 0 zone resets clat (msec): min=111, max=589, avg=304.81, stdev=211.81 lat (msec): min=111, max=589, avg=304.96, stdev=211.93 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 111], 10.00th=[ 111], 20.00th=[ 111], | 30.00th=[ 136], 40.00th=[ 136], 50.00th=[ 224], 60.00th=[ 224], | 70.00th=[ 464], 80.00th=[ 464], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 1984, max= 2043, per=44.04%, avg=2018.25, stdev=29.61, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (msec) : 250=50.00%, 500=33.33%, 750=16.67% cpu : usr=0.05%, sys=10.90%, ctx=244, 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=144915: Wed Aug 19 09:32:59 2026 read: IOPS=0, BW=327KiB/s (335kB/s)(2048KiB/6255msec) clat (msec): min=206, max=346, avg=276.31, stdev=99.21 lat (msec): min=206, max=346, avg=276.31, stdev=99.21 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 207], 10.00th=[ 207], 20.00th=[ 207], | 30.00th=[ 207], 40.00th=[ 207], 50.00th=[ 207], 60.00th=[ 347], | 70.00th=[ 347], 80.00th=[ 347], 90.00th=[ 347], 95.00th=[ 347], | 99.00th=[ 347], 99.50th=[ 347], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 1988, max= 2019, per=61.19%, avg=2003.50, stdev=21.92, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1637KiB/s (1676kB/s)(10.0MiB/6255msec); 0 zone resets clat (msec): min=191, max=954, avg=545.76, stdev=284.34 lat (msec): min=191, max=954, avg=545.86, stdev=284.34 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 192], 10.00th=[ 192], 20.00th=[ 296], | 30.00th=[ 317], 40.00th=[ 338], 50.00th=[ 393], 60.00th=[ 523], | 70.00th=[ 684], 80.00th=[ 827], 90.00th=[ 936], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 1973, max= 4071, per=49.45%, avg=2266.50, stdev=729.61, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=16.67%, 500=41.67%, 750=16.67%, 1000=25.00% cpu : usr=0.00%, sys=8.59%, ctx=184, 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=144916: Wed Aug 19 09:32:59 2026 read: IOPS=1, BW=1663KiB/s (1703kB/s)(6144KiB/3694msec) clat (usec): min=577, max=560891, avg=315483.02, stdev=212616.32 lat (usec): min=578, max=560893, avg=315484.17, stdev=212616.13 clat percentiles (usec): | 1.00th=[ 578], 5.00th=[ 578], 10.00th=[ 578], 20.00th=[177210], | 30.00th=[177210], 40.00th=[246416], 50.00th=[246416], 60.00th=[408945], | 70.00th=[501220], 80.00th=[501220], 90.00th=[557843], 95.00th=[557843], | 99.00th=[557843], 99.50th=[557843], 99.90th=[557843], 99.95th=[557843], | 99.99th=[557843] bw ( KiB/s): min= 1984, max= 4039, per=76.89%, avg=2517.25, stdev=1014.80, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1663KiB/s (1703kB/s)(6144KiB/3694msec); 0 zone resets clat (msec): min=105, max=906, avg=284.14, stdev=308.53 lat (msec): min=105, max=906, avg=284.33, stdev=308.79 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 106], 10.00th=[ 106], 20.00th=[ 129], | 30.00th=[ 129], 40.00th=[ 146], 50.00th=[ 146], 60.00th=[ 174], | 70.00th=[ 247], 80.00th=[ 247], 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= 1984, max= 3210, per=50.49%, avg=2314.00, stdev=597.82, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=58.33%, 500=8.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=6.99%, ctx=105, 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=144917: Wed Aug 19 09:32:59 2026 read: IOPS=1, BW=1493KiB/s (1529kB/s)(5120KiB/3430msec) clat (usec): min=486, max=308635, avg=128219.53, stdev=150052.29 lat (usec): min=488, max=308636, avg=128220.64, stdev=150052.23 clat percentiles (usec): | 1.00th=[ 486], 5.00th=[ 486], 10.00th=[ 486], 20.00th=[ 486], | 30.00th=[ 791], 40.00th=[ 791], 50.00th=[ 60556], 60.00th=[ 60556], | 70.00th=[270533], 80.00th=[270533], 90.00th=[308282], 95.00th=[308282], | 99.00th=[308282], 99.50th=[308282], 99.90th=[308282], 99.95th=[308282], | 99.99th=[308282] bw ( KiB/s): min= 2043, max= 5953, per=100.00%, avg=3998.00, stdev=2764.79, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2090KiB/s (2140kB/s)(7168KiB/3430msec); 0 zone resets clat (msec): min=183, max=579, avg=387.29, stdev=154.18 lat (msec): min=184, max=580, avg=387.61, stdev=154.23 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 184], 10.00th=[ 184], 20.00th=[ 264], | 30.00th=[ 266], 40.00th=[ 266], 50.00th=[ 414], 60.00th=[ 451], | 70.00th=[ 451], 80.00th=[ 558], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 2003, max= 2043, per=44.28%, avg=2029.40, stdev=17.80, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (usec) : 500=8.33%, 1000=8.33% lat (msec) : 100=8.33%, 250=8.33%, 500=50.00%, 750=16.67% cpu : usr=0.00%, sys=11.17%, ctx=128, 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=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=3274KiB/s (3353kB/s), 327KiB/s-1846KiB/s (335kB/s-1891kB/s), io=20.0MiB (20.0MB), run=3430-6255msec WRITE: bw=4584KiB/s (4694kB/s), 1319KiB/s-2090KiB/s (1351kB/s-2140kB/s), io=28.0MiB (29.4MB), run=3430-6255msec 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=144933: Wed Aug 19 09:33:17 2026 read: IOPS=1, BW=5481KiB/s (5612kB/s)(12.0MiB/2242msec) clat (msec): min=429, max=890, avg=704.51, stdev=242.68 lat (msec): min=429, max=890, avg=704.52, stdev=242.68 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 793], 50.00th=[ 793], 60.00th=[ 793], | 70.00th=[ 894], 80.00th=[ 894], 90.00th=[ 894], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 7922, max= 8175, per=100.00%, avg=8048.50, stdev=178.90, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=66.67% cpu : usr=0.00%, sys=11.83%, ctx=413, 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=144934: Wed Aug 19 09:33:17 2026 read: IOPS=0, BW=1649KiB/s (1689kB/s)(4096KiB/2484msec) clat (nsec): min=854095k, max=854095k, avg=854094810.00, stdev= 0.00 lat (nsec): min=854098k, max=854098k, avg=854097581.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 852], 5.00th=[ 852], 10.00th=[ 852], 20.00th=[ 852], | 30.00th=[ 852], 40.00th=[ 852], 50.00th=[ 852], 60.00th=[ 852], | 70.00th=[ 852], 80.00th=[ 852], 90.00th=[ 852], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3298KiB/s (3377kB/s)(8192KiB/2484msec); 0 zone resets clat (msec): min=661, max=841, avg=751.49, stdev=127.21 lat (msec): min=661, max=841, avg=751.80, stdev=127.05 clat percentiles (msec): | 1.00th=[ 659], 5.00th=[ 659], 10.00th=[ 659], 20.00th=[ 659], | 30.00th=[ 659], 40.00th=[ 659], 50.00th=[ 659], 60.00th=[ 844], | 70.00th=[ 844], 80.00th=[ 844], 90.00th=[ 844], 95.00th=[ 844], | 99.00th=[ 844], 99.50th=[ 844], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 7787, max= 7787, per=85.18%, avg=7787.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=5.88%, ctx=74, 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=144935: Wed Aug 19 09:33:17 2026 write: IOPS=0, BW=3429KiB/s (3511kB/s)(12.0MiB/3584msec); 0 zone resets clat (msec): min=469, max=1891, avg=1172.82, stdev=711.07 lat (msec): min=470, max=1891, avg=1173.17, stdev=711.06 clat percentiles (msec): | 1.00th=[ 472], 5.00th=[ 472], 10.00th=[ 472], 20.00th=[ 472], | 30.00th=[ 472], 40.00th=[ 1150], 50.00th=[ 1150], 60.00th=[ 1150], | 70.00th=[ 1888], 80.00th=[ 1888], 90.00th=[ 1888], 95.00th=[ 1888], | 99.00th=[ 1888], 99.50th=[ 1888], 99.90th=[ 1888], 99.95th=[ 1888], | 99.99th=[ 1888] bw ( KiB/s): min= 7922, max= 8062, per=87.42%, avg=7992.00, stdev=98.99, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.06%, sys=3.27%, ctx=53, 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=144936: Wed Aug 19 09:33:17 2026 write: IOPS=0, BW=3568KiB/s (3654kB/s)(12.0MiB/3444msec); 0 zone resets clat (msec): min=818, max=1514, avg=1085.47, stdev=375.34 lat (msec): min=823, max=1514, avg=1087.50, stdev=373.55 clat percentiles (msec): | 1.00th=[ 818], 5.00th=[ 818], 10.00th=[ 818], 20.00th=[ 818], | 30.00th=[ 818], 40.00th=[ 927], 50.00th=[ 927], 60.00th=[ 927], | 70.00th=[ 1519], 80.00th=[ 1519], 90.00th=[ 1519], 95.00th=[ 1519], | 99.00th=[ 1519], 99.50th=[ 1519], 99.90th=[ 1519], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 7922, max= 8175, per=88.04%, avg=8048.50, stdev=178.90, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.00%, sys=4.71%, ctx=70, 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=6596KiB/s (6754kB/s), 1649KiB/s-5481KiB/s (1689kB/s-5612kB/s), io=16.0MiB (16.8MB), run=2242-2484msec WRITE: bw=9143KiB/s (9362kB/s), 3298KiB/s-3568KiB/s (3377kB/s-3654kB/s), io=32.0MiB (33.6MB), run=2484-3584msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144928: Wed Aug 19 09:33:17 2026 read: IOPS=1, BW=6417KiB/s (6571kB/s)(12.0MiB/1915msec) clat (msec): min=255, max=1099, avg=571.50, stdev=459.86 lat (msec): min=255, max=1099, avg=571.50, stdev=459.86 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 255], 10.00th=[ 255], 20.00th=[ 255], | 30.00th=[ 255], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 359], | 70.00th=[ 1099], 80.00th=[ 1099], 90.00th=[ 1099], 95.00th=[ 1099], | 99.00th=[ 1099], 99.50th=[ 1099], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 6113, max= 8175, per=100.00%, avg=7144.00, stdev=1458.05, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=4.91%, ctx=58, 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=144929: Wed Aug 19 09:33:17 2026 read: IOPS=0, BW=962KiB/s (985kB/s)(4096KiB/4257msec) clat (nsec): min=1238.8M, max=1238.8M, avg=1238813614.00, stdev= 0.00 lat (nsec): min=1238.8M, max=1238.8M, avg=1238818049.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1234], 5.00th=[ 1234], 10.00th=[ 1234], 20.00th=[ 1234], | 30.00th=[ 1234], 40.00th=[ 1234], 50.00th=[ 1234], 60.00th=[ 1234], | 70.00th=[ 1234], 80.00th=[ 1234], 90.00th=[ 1234], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1924KiB/s (1971kB/s)(8192KiB/4257msec); 0 zone resets clat (msec): min=847, max=1925, avg=1386.08, stdev=762.35 lat (msec): min=851, max=1927, avg=1389.18, stdev=760.74 clat percentiles (msec): | 1.00th=[ 844], 5.00th=[ 844], 10.00th=[ 844], 20.00th=[ 844], | 30.00th=[ 844], 40.00th=[ 844], 50.00th=[ 844], 60.00th=[ 1921], | 70.00th=[ 1921], 80.00th=[ 1921], 90.00th=[ 1921], 95.00th=[ 1921], | 99.00th=[ 1921], 99.50th=[ 1921], 99.90th=[ 1921], 99.95th=[ 1921], | 99.99th=[ 1921] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.05%, sys=2.82%, ctx=57, 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=144931: Wed Aug 19 09:33:17 2026 write: IOPS=0, BW=2862KiB/s (2930kB/s)(12.0MiB/4294msec); 0 zone resets clat (msec): min=450, max=2824, avg=1367.67, stdev=1275.94 lat (msec): min=450, max=2825, avg=1368.11, stdev=1276.12 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 451], 10.00th=[ 451], 20.00th=[ 451], | 30.00th=[ 451], 40.00th=[ 827], 50.00th=[ 827], 60.00th=[ 827], | 70.00th=[ 2836], 80.00th=[ 2836], 90.00th=[ 2836], 95.00th=[ 2836], | 99.00th=[ 2836], 99.50th=[ 2836], 99.90th=[ 2836], 99.95th=[ 2836], | 99.99th=[ 2836] bw ( KiB/s): min= 8000, max= 8192, per=100.00%, avg=8096.00, stdev=135.76, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.96%, ctx=61, 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 rand-rw: (groupid=0, jobs=1): err= 0: pid=144932: Wed Aug 19 09:33:17 2026 write: IOPS=0, BW=3769KiB/s (3860kB/s)(12.0MiB/3260msec); 0 zone resets clat (msec): min=394, max=1992, avg=1051.12, stdev=836.34 lat (msec): min=396, max=1993, avg=1052.06, stdev=835.80 clat percentiles (msec): | 1.00th=[ 397], 5.00th=[ 397], 10.00th=[ 397], 20.00th=[ 397], | 30.00th=[ 397], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 1989], 80.00th=[ 1989], 90.00th=[ 1989], 95.00th=[ 1989], | 99.00th=[ 1989], 99.50th=[ 1989], 99.90th=[ 1989], 99.95th=[ 1989], | 99.99th=[ 1989] bw ( KiB/s): min= 7529, max= 8110, per=100.00%, avg=7819.50, stdev=410.83, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=3.10%, ctx=53, 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=3849KiB/s (3941kB/s), 962KiB/s-6417KiB/s (985kB/s-6571kB/s), io=16.0MiB (16.8MB), run=1915-4257msec WRITE: bw=7631KiB/s (7814kB/s), 1924KiB/s-3769KiB/s (1971kB/s-3860kB/s), io=32.0MiB (33.6MB), run=3260-4294msec