== sanity test 398b: DIO and buffer IO race ============== 01:49:33 (1788932973) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.46426 s, 9.2 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=145437: Wed Sep 9 01:51:53 2026 read: IOPS=12, BW=49.9KiB/s (51.1kB/s)(5992KiB/120077msec) clat (usec): min=33, max=436277, avg=38865.72, stdev=32858.41 lat (usec): min=33, max=436278, avg=38869.25, stdev=32859.13 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 99], 20.00th=[ 17171], | 30.00th=[ 21890], 40.00th=[ 26608], 50.00th=[ 31851], 60.00th=[ 39584], | 70.00th=[ 46924], 80.00th=[ 57410], 90.00th=[ 76022], 95.00th=[ 92799], | 99.00th=[141558], 99.50th=[162530], 99.90th=[425722], 99.95th=[438305], | 99.99th=[438305] bw ( KiB/s): min= 7, max= 144, per=25.07%, avg=49.38, stdev=22.10, samples=237 iops : min= 1, max= 36, avg=11.70, stdev= 5.57, samples=237 write: IOPS=13, BW=52.4KiB/s (53.7kB/s)(6296KiB/120077msec); 0 zone resets clat (usec): min=896, max=369868, avg=39198.81, stdev=40743.44 lat (usec): min=897, max=369869, avg=39200.61, stdev=40744.13 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1123], 10.00th=[ 1336], 20.00th=[ 3621], | 30.00th=[ 7439], 40.00th=[ 16909], 50.00th=[ 29230], 60.00th=[ 39584], | 70.00th=[ 52691], 80.00th=[ 67634], 90.00th=[ 92799], 95.00th=[116917], | 99.00th=[166724], 99.50th=[208667], 99.90th=[283116], 99.95th=[371196], | 99.99th=[371196] bw ( KiB/s): min= 15, max= 116, per=25.16%, avg=52.08, stdev=21.49, samples=236 iops : min= 3, max= 29, avg=12.38, stdev= 5.44, samples=236 lat (usec) : 50=0.91%, 100=3.97%, 250=0.26%, 500=0.16%, 1000=0.33% lat (msec) : 2=7.19%, 4=3.48%, 10=6.84%, 20=10.68%, 50=36.65% lat (msec) : 100=23.24%, 250=6.12%, 500=0.16% cpu : usr=0.07%, sys=5.36%, ctx=6356, 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=145438: Wed Sep 9 01:51:53 2026 read: IOPS=12, BW=48.9KiB/s (50.1kB/s)(5940KiB/121358msec) clat (usec): min=36, max=327065, avg=37971.31, stdev=30097.90 lat (usec): min=36, max=327067, avg=37972.67, stdev=30098.01 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 55], 10.00th=[ 81], 20.00th=[ 15926], | 30.00th=[ 21890], 40.00th=[ 27132], 50.00th=[ 31589], 60.00th=[ 39060], | 70.00th=[ 47449], 80.00th=[ 56886], 90.00th=[ 76022], 95.00th=[ 91751], | 99.00th=[130548], 99.50th=[152044], 99.90th=[263193], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 7, max= 111, per=24.58%, avg=48.42, stdev=21.26, samples=237 iops : min= 1, max= 27, avg=11.46, stdev= 5.37, samples=237 write: IOPS=13, BW=52.3KiB/s (53.6kB/s)(6348KiB/121358msec); 0 zone resets clat (usec): min=861, max=402453, avg=40870.74, stdev=44501.22 lat (usec): min=862, max=402454, avg=40873.00, stdev=44501.38 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1172], 10.00th=[ 1598], 20.00th=[ 4424], | 30.00th=[ 9241], 40.00th=[ 19006], 50.00th=[ 28705], 60.00th=[ 39060], | 70.00th=[ 51119], 80.00th=[ 68682], 90.00th=[ 96994], 95.00th=[126354], | 99.00th=[214959], 99.50th=[240124], 99.90th=[295699], 99.95th=[400557], | 99.99th=[400557] bw ( KiB/s): min= 15, max= 172, per=24.79%, avg=51.32, stdev=22.91, samples=238 iops : min= 3, max= 43, avg=12.19, stdev= 5.79, samples=238 lat (usec) : 50=0.75%, 100=4.30%, 250=0.26%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.26% lat (msec) : 2=6.05%, 4=3.61%, 10=7.19%, 20=11.13%, 50=37.34% lat (msec) : 100=22.56%, 250=6.22%, 500=0.23% cpu : usr=0.07%, sys=5.24%, ctx=6352, 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=145439: Wed Sep 9 01:51:53 2026 read: IOPS=12, BW=50.2KiB/s (51.4kB/s)(6028KiB/120101msec) clat (usec): min=33, max=453845, avg=38075.57, stdev=31188.56 lat (usec): min=33, max=453846, avg=38078.66, stdev=31187.62 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 54], 10.00th=[ 79], 20.00th=[ 16909], | 30.00th=[ 21627], 40.00th=[ 27132], 50.00th=[ 32375], 60.00th=[ 38536], | 70.00th=[ 46924], 80.00th=[ 57934], 90.00th=[ 74974], 95.00th=[ 89654], | 99.00th=[137364], 99.50th=[187696], 99.90th=[238027], 99.95th=[455082], | 99.99th=[455082] bw ( KiB/s): min= 7, max= 127, per=25.45%, avg=50.14, stdev=22.45, samples=235 iops : min= 1, max= 31, avg=11.89, stdev= 5.66, samples=235 write: IOPS=13, BW=52.1KiB/s (53.4kB/s)(6260KiB/120101msec); 0 zone resets clat (usec): min=949, max=603749, avg=39967.76, stdev=44306.16 lat (usec): min=950, max=603750, avg=39969.48, stdev=44306.36 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1156], 10.00th=[ 1614], 20.00th=[ 3851], | 30.00th=[ 7701], 40.00th=[ 16581], 50.00th=[ 28967], 60.00th=[ 40109], | 70.00th=[ 52167], 80.00th=[ 68682], 90.00th=[ 93848], 95.00th=[120062], | 99.00th=[170918], 99.50th=[208667], 99.90th=[425722], 99.95th=[599786], | 99.99th=[599786] bw ( KiB/s): min= 7, max= 111, per=24.89%, avg=51.52, stdev=19.64, samples=237 iops : min= 1, max= 27, avg=12.24, stdev= 4.97, samples=237 lat (usec) : 50=1.24%, 100=4.00%, 250=0.26%, 500=0.10%, 750=0.07% lat (usec) : 1000=0.10% lat (msec) : 2=6.25%, 4=4.49%, 10=7.32%, 20=11.07%, 50=35.77% lat (msec) : 100=23.70%, 250=5.47%, 500=0.13%, 750=0.03% cpu : usr=0.07%, sys=5.21%, ctx=6306, 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=145440: Wed Sep 9 01:51:53 2026 read: IOPS=12, BW=50.1KiB/s (51.3kB/s)(6052KiB/120804msec) clat (usec): min=33, max=319209, avg=37501.68, stdev=29737.52 lat (usec): min=33, max=319211, avg=37513.63, stdev=29732.45 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 95], 20.00th=[ 16188], | 30.00th=[ 21365], 40.00th=[ 25822], 50.00th=[ 30278], 60.00th=[ 36963], | 70.00th=[ 46400], 80.00th=[ 57934], 90.00th=[ 74974], 95.00th=[ 90702], | 99.00th=[139461], 99.50th=[156238], 99.90th=[198181], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 7, max= 141, per=25.07%, avg=49.39, stdev=21.68, samples=237 iops : min= 1, max= 35, avg=11.71, stdev= 5.48, samples=237 write: IOPS=12, BW=51.6KiB/s (52.9kB/s)(6236KiB/120804msec); 0 zone resets clat (usec): min=859, max=421361, avg=40988.55, stdev=43549.23 lat (usec): min=860, max=421363, avg=40990.03, stdev=43549.15 clat percentiles (usec): | 1.00th=[ 1012], 5.00th=[ 1139], 10.00th=[ 1450], 20.00th=[ 4113], | 30.00th=[ 8717], 40.00th=[ 19530], 50.00th=[ 29754], 60.00th=[ 41157], | 70.00th=[ 53740], 80.00th=[ 69731], 90.00th=[ 94897], 95.00th=[121111], | 99.00th=[198181], 99.50th=[248513], 99.90th=[316670], 99.95th=[421528], | 99.99th=[421528] bw ( KiB/s): min= 7, max= 120, per=24.55%, avg=50.81, stdev=22.43, samples=238 iops : min= 1, max= 30, avg=12.06, stdev= 5.68, samples=238 lat (usec) : 50=1.04%, 100=3.94%, 250=0.26%, 500=0.16%, 750=0.10% lat (usec) : 1000=0.36% lat (msec) : 2=6.41%, 4=3.42%, 10=6.51%, 20=11.75%, 50=36.69% lat (msec) : 100=23.40%, 250=5.70%, 500=0.26% cpu : usr=0.09%, sys=5.23%, ctx=6464, 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=198KiB/s (203kB/s), 48.9KiB/s-50.2KiB/s (50.1kB/s-51.4kB/s), io=23.4MiB (24.6MB), run=120077-121358msec WRITE: bw=207KiB/s (212kB/s), 51.6KiB/s-52.4KiB/s (52.9kB/s-53.7kB/s), io=24.6MiB (25.7MB), run=120077-121358msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145431: Wed Sep 9 01:54:05 2026 read: IOPS=5, BW=23.5KiB/s (24.1kB/s)(5992KiB/255024msec) clat (msec): min=5, max=1326, avg=32.13, stdev=48.32 lat (msec): min=5, max=1326, avg=32.13, stdev=48.32 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 23], | 70.00th=[ 30], 80.00th=[ 42], 90.00th=[ 68], 95.00th=[ 101], | 99.00th=[ 174], 99.50th=[ 226], 99.90th=[ 409], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 103, per=27.92%, avg=26.24, stdev=17.76, samples=442 iops : min= 1, max= 25, avg= 5.92, stdev= 4.48, samples=442 write: IOPS=6, BW=24.7KiB/s (25.3kB/s)(6296KiB/255024msec); 0 zone resets clat (msec): min=39, max=678, avg=131.22, stdev=65.30 lat (msec): min=39, max=678, avg=131.22, stdev=65.30 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 62], 10.00th=[ 69], 20.00th=[ 83], | 30.00th=[ 93], 40.00th=[ 104], 50.00th=[ 114], 60.00th=[ 129], | 70.00th=[ 146], 80.00th=[ 171], 90.00th=[ 213], 95.00th=[ 255], | 99.00th=[ 368], 99.50th=[ 397], 99.90th=[ 651], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 7, max= 55, per=24.94%, avg=24.44, stdev=10.99, samples=497 iops : min= 1, max= 13, avg= 5.47, stdev= 2.79, samples=497 lat (msec) : 10=5.89%, 20=19.47%, 50=16.50%, 100=23.37%, 250=31.67% lat (msec) : 500=2.96%, 750=0.10%, 2000=0.03% cpu : usr=0.04%, sys=1.04%, ctx=5100, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145432: Wed Sep 9 01:54:05 2026 read: IOPS=5, BW=23.3KiB/s (23.8kB/s)(5940KiB/255363msec) clat (msec): min=4, max=1269, avg=31.96, stdev=48.65 lat (msec): min=4, max=1269, avg=31.96, stdev=48.66 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 19], 60.00th=[ 23], | 70.00th=[ 29], 80.00th=[ 41], 90.00th=[ 70], 95.00th=[ 95], | 99.00th=[ 176], 99.50th=[ 262], 99.90th=[ 447], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 7, max= 111, per=27.87%, avg=26.20, stdev=17.34, samples=439 iops : min= 1, max= 27, avg= 5.91, stdev= 4.38, samples=439 write: IOPS=6, BW=24.9KiB/s (25.5kB/s)(6348KiB/255363msec); 0 zone resets clat (msec): min=34, max=461, avg=130.77, stdev=60.66 lat (msec): min=34, max=461, avg=130.77, stdev=60.68 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 61], 10.00th=[ 69], 20.00th=[ 83], | 30.00th=[ 94], 40.00th=[ 105], 50.00th=[ 117], 60.00th=[ 130], | 70.00th=[ 146], 80.00th=[ 174], 90.00th=[ 215], 95.00th=[ 247], | 99.00th=[ 334], 99.50th=[ 380], 99.90th=[ 439], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 7, max= 55, per=25.02%, avg=24.52, stdev=11.17, samples=500 iops : min= 1, max= 13, avg= 5.49, stdev= 2.84, samples=500 lat (msec) : 10=6.35%, 20=19.89%, 50=15.04%, 100=23.80%, 250=32.19% lat (msec) : 500=2.70%, 2000=0.03% cpu : usr=0.04%, sys=1.05%, ctx=5186, 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=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=145433: Wed Sep 9 01:54:05 2026 read: IOPS=5, BW=23.0KiB/s (24.5kB/s)(6028KiB/251625msec) clat (msec): min=5, max=560, avg=32.45, stdev=35.88 lat (msec): min=5, max=560, avg=32.45, stdev=35.88 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 45], 90.00th=[ 72], 95.00th=[ 102], | 99.00th=[ 167], 99.50th=[ 215], 99.90th=[ 309], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 7, max= 119, per=27.60%, avg=25.94, stdev=18.06, samples=449 iops : min= 1, max= 29, avg= 5.85, stdev= 4.54, samples=449 write: IOPS=6, BW=24.9KiB/s (25.5kB/s)(6260KiB/251625msec); 0 zone resets clat (msec): min=31, max=1419, avg=129.30, stdev=71.29 lat (msec): min=31, max=1419, avg=129.31, stdev=71.29 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 67], 20.00th=[ 80], | 30.00th=[ 92], 40.00th=[ 102], 50.00th=[ 112], 60.00th=[ 126], | 70.00th=[ 144], 80.00th=[ 169], 90.00th=[ 209], 95.00th=[ 251], | 99.00th=[ 355], 99.50th=[ 405], 99.90th=[ 676], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 7, max= 56, per=25.30%, avg=24.80, stdev=11.37, samples=487 iops : min= 1, max= 14, avg= 5.56, stdev= 2.91, samples=487 lat (msec) : 10=5.31%, 20=19.17%, 50=17.06%, 100=24.64%, 250=31.12% lat (msec) : 500=2.57%, 750=0.10%, 2000=0.03% cpu : usr=0.04%, sys=1.11%, ctx=5100, 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=145434: Wed Sep 9 01:54:05 2026 read: IOPS=5, BW=23.7KiB/s (24.3kB/s)(6052KiB/254947msec) clat (msec): min=4, max=446, avg=32.27, stdev=36.29 lat (msec): min=4, max=446, avg=32.28, stdev=36.29 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 31], 80.00th=[ 43], 90.00th=[ 72], 95.00th=[ 102], | 99.00th=[ 184], 99.50th=[ 222], 99.90th=[ 363], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 7, max= 103, per=28.26%, avg=26.57, stdev=17.47, samples=441 iops : min= 1, max= 25, avg= 6.01, stdev= 4.39, samples=441 write: IOPS=6, BW=24.5KiB/s (25.0kB/s)(6236KiB/254947msec); 0 zone resets clat (msec): min=35, max=1395, avg=131.97, stdev=71.89 lat (msec): min=35, max=1395, avg=131.97, stdev=71.89 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 63], 10.00th=[ 70], 20.00th=[ 82], | 30.00th=[ 94], 40.00th=[ 105], 50.00th=[ 115], 60.00th=[ 130], | 70.00th=[ 146], 80.00th=[ 171], 90.00th=[ 213], 95.00th=[ 251], | 99.00th=[ 363], 99.50th=[ 443], 99.90th=[ 651], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 7, max= 55, per=24.80%, avg=24.30, stdev=10.88, samples=495 iops : min= 1, max= 13, avg= 5.43, stdev= 2.77, samples=495 lat (msec) : 10=5.27%, 20=20.12%, 50=15.89%, 100=23.86%, 250=32.03% lat (msec) : 500=2.70%, 750=0.10%, 2000=0.03% cpu : usr=0.03%, sys=1.04%, ctx=5207, 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=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=94.0KiB/s (96.3kB/s), 23.3KiB/s-23.0KiB/s (23.8kB/s-24.5kB/s), io=23.4MiB (24.6MB), run=251625-255363msec WRITE: bw=98.4KiB/s (101kB/s), 24.5KiB/s-24.9KiB/s (25.0kB/s-25.5kB/s), io=24.6MiB (25.7MB), run=251625-255363msec 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=145492: Wed Sep 9 01:54:50 2026 read: IOPS=11, BW=179KiB/s (183kB/s)(5920KiB/33081msec) clat (usec): min=32, max=403683, avg=42847.32, stdev=40435.19 lat (usec): min=33, max=403684, avg=42848.58, stdev=40435.27 clat percentiles (usec): | 1.00th=[ 37], 5.00th=[ 52], 10.00th=[ 57], 20.00th=[ 65], | 30.00th=[ 18482], 40.00th=[ 31851], 50.00th=[ 40633], 60.00th=[ 49021], | 70.00th=[ 56361], 80.00th=[ 69731], 90.00th=[ 94897], 95.00th=[108528], | 99.00th=[143655], 99.50th=[168821], 99.90th=[404751], 99.95th=[404751], | 99.99th=[404751] bw ( KiB/s): min= 31, max= 414, per=24.79%, avg=178.49, stdev=71.67, samples=65 iops : min= 1, max= 25, avg=10.35, stdev= 4.50, samples=65 write: IOPS=12, BW=192KiB/s (197kB/s)(6368KiB/33081msec); 0 zone resets clat (usec): min=1385, max=435334, avg=42911.44, stdev=48333.16 lat (usec): min=1388, max=435336, avg=42933.64, stdev=48334.15 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1663], 10.00th=[ 2802], 20.00th=[ 5997], | 30.00th=[ 10421], 40.00th=[ 16909], 50.00th=[ 26346], 60.00th=[ 37487], | 70.00th=[ 54789], 80.00th=[ 73925], 90.00th=[105382], 95.00th=[135267], | 99.00th=[202376], 99.50th=[244319], 99.90th=[434111], 99.95th=[434111], | 99.99th=[434111] bw ( KiB/s): min= 61, max= 383, per=25.85%, avg=195.72, stdev=78.66, samples=64 iops : min= 3, max= 23, avg=11.45, stdev= 4.92, samples=64 lat (usec) : 50=1.95%, 100=10.29%, 250=0.52%, 1000=0.26% lat (msec) : 2=4.17%, 4=3.26%, 10=7.68%, 20=8.98%, 50=28.13% lat (msec) : 100=25.39%, 250=9.11%, 500=0.26% cpu : usr=0.07%, sys=4.89%, ctx=1356, 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=145493: Wed Sep 9 01:54:50 2026 read: IOPS=10, BW=173KiB/s (177kB/s)(5744KiB/33264msec) clat (usec): min=35, max=241634, avg=45042.00, stdev=41501.90 lat (usec): min=35, max=241635, avg=45043.22, stdev=41501.95 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 52], 10.00th=[ 58], 20.00th=[ 77], | 30.00th=[ 20317], 40.00th=[ 30016], 50.00th=[ 39584], 60.00th=[ 47973], | 70.00th=[ 58983], 80.00th=[ 74974], 90.00th=[ 99091], 95.00th=[117965], | 99.00th=[183501], 99.50th=[231736], 99.90th=[242222], 99.95th=[242222], | 99.99th=[242222] bw ( KiB/s): min= 31, max= 382, per=23.88%, avg=171.91, stdev=80.17, samples=65 iops : min= 1, max= 23, avg= 9.94, stdev= 5.05, samples=65 write: IOPS=12, BW=197KiB/s (201kB/s)(6544KiB/33264msec); 0 zone resets clat (usec): min=1367, max=228564, avg=41180.62, stdev=44626.05 lat (usec): min=1368, max=228566, avg=41192.52, stdev=44619.48 clat percentiles (usec): | 1.00th=[ 1450], 5.00th=[ 1647], 10.00th=[ 2343], 20.00th=[ 4686], | 30.00th=[ 8455], 40.00th=[ 14091], 50.00th=[ 22938], 60.00th=[ 35390], | 70.00th=[ 55313], 80.00th=[ 77071], 90.00th=[108528], 95.00th=[130548], | 99.00th=[177210], 99.50th=[196084], 99.90th=[227541], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 31, max= 415, per=25.85%, avg=195.71, stdev=88.15, samples=65 iops : min= 1, max= 25, avg=11.45, stdev= 5.56, samples=65 lat (usec) : 50=1.69%, 100=8.72%, 250=0.65%, 750=0.13%, 1000=0.13% lat (msec) : 2=4.95%, 4=5.08%, 10=8.72%, 20=8.85%, 50=25.52% lat (msec) : 100=24.35%, 250=11.20% cpu : usr=0.05%, sys=5.40%, ctx=1366, 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=145494: Wed Sep 9 01:54:50 2026 read: IOPS=12, BW=193KiB/s (197kB/s)(6256KiB/32498msec) clat (usec): min=32, max=211993, avg=42925.49, stdev=37156.38 lat (usec): min=32, max=211994, avg=42926.70, stdev=37156.41 clat percentiles (usec): | 1.00th=[ 39], 5.00th=[ 52], 10.00th=[ 60], 20.00th=[ 79], | 30.00th=[ 21365], 40.00th=[ 30540], 50.00th=[ 39060], 60.00th=[ 49546], | 70.00th=[ 57410], 80.00th=[ 69731], 90.00th=[ 90702], 95.00th=[111674], | 99.00th=[152044], 99.50th=[181404], 99.90th=[212861], 99.95th=[212861], | 99.99th=[212861] bw ( KiB/s): min= 62, max= 318, per=26.73%, avg=192.44, stdev=68.45, samples=64 iops : min= 3, max= 19, avg=11.25, stdev= 4.31, samples=64 write: IOPS=11, BW=186KiB/s (190kB/s)(6032KiB/32498msec); 0 zone resets clat (usec): min=1302, max=303501, avg=41497.59, stdev=45086.51 lat (usec): min=1304, max=303504, avg=41500.70, stdev=45086.70 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1680], 10.00th=[ 2409], 20.00th=[ 6194], | 30.00th=[ 10683], 40.00th=[ 15401], 50.00th=[ 25297], 60.00th=[ 38011], | 70.00th=[ 49021], 80.00th=[ 72877], 90.00th=[104334], 95.00th=[126354], | 99.00th=[189793], 99.50th=[283116], 99.90th=[304088], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 31, max= 415, per=24.30%, avg=183.98, stdev=84.78, samples=64 iops : min= 1, max= 25, avg=10.70, stdev= 5.36, samples=64 lat (usec) : 50=1.82%, 100=9.51%, 250=0.26%, 500=0.13%, 750=0.26% lat (usec) : 1000=0.39% lat (msec) : 2=3.78%, 4=3.26%, 10=7.29%, 20=9.11%, 50=29.82% lat (msec) : 100=25.13%, 250=8.98%, 500=0.26% cpu : usr=0.12%, sys=5.18%, ctx=1361, 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=145495: Wed Sep 9 01:54:50 2026 read: IOPS=12, BW=198KiB/s (203kB/s)(6032KiB/30461msec) clat (usec): min=35, max=183727, avg=41399.67, stdev=37681.27 lat (usec): min=35, max=183728, avg=41400.77, stdev=37681.29 clat percentiles (usec): | 1.00th=[ 38], 5.00th=[ 49], 10.00th=[ 56], 20.00th=[ 71], | 30.00th=[ 15270], 40.00th=[ 29230], 50.00th=[ 36963], 60.00th=[ 45876], | 70.00th=[ 54789], 80.00th=[ 68682], 90.00th=[ 90702], 95.00th=[114820], | 99.00th=[162530], 99.50th=[177210], 99.90th=[183501], 99.95th=[183501], | 99.99th=[183501] bw ( KiB/s): min= 31, max= 377, per=27.23%, avg=196.07, stdev=79.23, samples=60 iops : min= 1, max= 23, avg=11.47, stdev= 5.01, samples=60 write: IOPS=12, BW=205KiB/s (210kB/s)(6256KiB/30461msec); 0 zone resets clat (usec): min=1289, max=212327, avg=37391.44, stdev=41966.09 lat (usec): min=1291, max=212328, avg=37400.19, stdev=41963.95 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 1598], 10.00th=[ 1958], 20.00th=[ 4178], | 30.00th=[ 7177], 40.00th=[ 10814], 50.00th=[ 18482], 60.00th=[ 32113], | 70.00th=[ 45876], 80.00th=[ 69731], 90.00th=[ 95945], 95.00th=[132645], | 99.00th=[168821], 99.50th=[179307], 99.90th=[212861], 99.95th=[212861], | 99.99th=[212861] bw ( KiB/s): min= 31, max= 539, per=27.01%, avg=204.43, stdev=83.20, samples=60 iops : min= 1, max= 33, avg=12.00, stdev= 5.27, samples=60 lat (usec) : 50=2.60%, 100=9.64%, 250=0.65%, 500=0.13%, 750=0.26% lat (usec) : 1000=0.26% lat (msec) : 2=5.47%, 4=4.43%, 10=9.90%, 20=7.94%, 50=26.69% lat (msec) : 100=23.44%, 250=8.59% cpu : usr=0.08%, sys=5.16%, ctx=1311, 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=720KiB/s (737kB/s), 173KiB/s-198KiB/s (177kB/s-203kB/s), io=23.4MiB (24.5MB), run=30461-33264msec WRITE: bw=758KiB/s (776kB/s), 186KiB/s-205KiB/s (190kB/s-210kB/s), io=24.6MiB (25.8MB), run=30461-33264msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145498: Wed Sep 9 01:55:36 2026 read: IOPS=4, BW=75.3KiB/s (77.1kB/s)(5920KiB/78635msec) clat (msec): min=8, max=315, avg=46.91, stdev=45.38 lat (msec): min=8, max=315, avg=46.91, stdev=45.38 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 11], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 28], 50.00th=[ 34], 60.00th=[ 40], | 70.00th=[ 50], 80.00th=[ 60], 90.00th=[ 105], 95.00th=[ 129], | 99.00th=[ 271], 99.50th=[ 300], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 31, max= 288, per=29.36%, avg=88.66, stdev=55.38, samples=131 iops : min= 1, max= 18, avg= 4.84, stdev= 3.49, samples=131 write: IOPS=5, BW=80.0KiB/s (82.9kB/s)(6368KiB/78635msec); 0 zone resets clat (msec): min=43, max=522, avg=153.79, stdev=78.54 lat (msec): min=43, max=522, avg=153.79, stdev=78.54 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 66], 10.00th=[ 79], 20.00th=[ 95], | 30.00th=[ 106], 40.00th=[ 122], 50.00th=[ 134], 60.00th=[ 150], | 70.00th=[ 169], 80.00th=[ 205], 90.00th=[ 266], 95.00th=[ 317], | 99.00th=[ 422], 99.50th=[ 456], 99.90th=[ 523], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 29, max= 191, per=26.36%, avg=83.83, stdev=37.62, samples=149 iops : min= 1, max= 11, avg= 4.54, stdev= 2.45, samples=149 lat (msec) : 10=1.30%, 20=10.42%, 50=22.53%, 100=21.74%, 250=37.24% lat (msec) : 500=6.64%, 750=0.13% cpu : usr=0.03%, sys=1.14%, ctx=1396, 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=145499: Wed Sep 9 01:55:36 2026 read: IOPS=4, BW=72.5KiB/s (74.3kB/s)(5744KiB/79178msec) clat (msec): min=5, max=441, avg=45.78, stdev=48.08 lat (msec): min=5, max=441, avg=45.79, stdev=48.08 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 27], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 45], 80.00th=[ 61], 90.00th=[ 97], 95.00th=[ 138], | 99.00th=[ 232], 99.50th=[ 347], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 28, max= 288, per=29.02%, avg=87.63, stdev=61.61, samples=128 iops : min= 1, max= 18, avg= 4.76, stdev= 3.90, samples=128 write: IOPS=5, BW=82.6KiB/s (84.6kB/s)(6544KiB/79178msec); 0 zone resets clat (msec): min=45, max=545, avg=153.23, stdev=82.36 lat (msec): min=45, max=545, avg=153.23, stdev=82.35 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 73], 10.00th=[ 82], 20.00th=[ 94], | 30.00th=[ 107], 40.00th=[ 117], 50.00th=[ 129], 60.00th=[ 144], | 70.00th=[ 167], 80.00th=[ 197], 90.00th=[ 247], 95.00th=[ 334], | 99.00th=[ 460], 99.50th=[ 527], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 30, max= 160, per=26.78%, avg=85.15, stdev=37.71, samples=150 iops : min= 1, max= 10, avg= 4.61, stdev= 2.48, samples=150 lat (msec) : 10=0.91%, 20=11.85%, 50=22.66%, 100=20.70%, 250=38.54% lat (msec) : 500=4.95%, 750=0.39% cpu : usr=0.03%, sys=1.12%, ctx=1363, 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=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=145500: Wed Sep 9 01:55:36 2026 read: IOPS=5, BW=80.8KiB/s (82.8kB/s)(6256KiB/77414msec) clat (msec): min=5, max=278, avg=43.22, stdev=41.43 lat (msec): min=5, max=278, avg=43.23, stdev=41.43 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 22], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 89], 95.00th=[ 128], | 99.00th=[ 236], 99.50th=[ 257], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 30, max= 320, per=31.27%, avg=94.44, stdev=62.59, samples=131 iops : min= 1, max= 20, avg= 5.20, stdev= 4.00, samples=131 write: IOPS=4, BW=77.9KiB/s (79.8kB/s)(6032KiB/77414msec); 0 zone resets clat (msec): min=49, max=508, avg=160.37, stdev=81.40 lat (msec): min=49, max=508, avg=160.37, stdev=81.40 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 74], 10.00th=[ 84], 20.00th=[ 99], | 30.00th=[ 109], 40.00th=[ 127], 50.00th=[ 140], 60.00th=[ 153], | 70.00th=[ 174], 80.00th=[ 213], 90.00th=[ 288], 95.00th=[ 334], | 99.00th=[ 435], 99.50th=[ 451], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 30, max= 160, per=25.23%, avg=80.24, stdev=36.43, samples=148 iops : min= 1, max= 10, avg= 4.30, stdev= 2.35, samples=148 lat (msec) : 10=1.82%, 20=12.24%, 50=24.48%, 100=20.05%, 250=34.11% lat (msec) : 500=7.16%, 750=0.13% cpu : usr=0.03%, sys=1.07%, ctx=1399, 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=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=145501: Wed Sep 9 01:55:36 2026 read: IOPS=4, BW=77.2KiB/s (79.0kB/s)(6032KiB/78170msec) clat (msec): min=8, max=324, avg=45.27, stdev=42.79 lat (msec): min=8, max=324, avg=45.27, stdev=42.79 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 28], 50.00th=[ 33], 60.00th=[ 39], | 70.00th=[ 46], 80.00th=[ 58], 90.00th=[ 91], 95.00th=[ 131], | 99.00th=[ 224], 99.50th=[ 255], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 30, max= 288, per=29.11%, avg=87.92, stdev=58.31, samples=133 iops : min= 1, max= 18, avg= 4.79, stdev= 3.73, samples=133 write: IOPS=5, BW=80.0KiB/s (81.0kB/s)(6256KiB/78170msec); 0 zone resets clat (msec): min=49, max=570, avg=156.18, stdev=81.29 lat (msec): min=49, max=570, avg=156.18, stdev=81.29 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 74], 10.00th=[ 83], 20.00th=[ 96], | 30.00th=[ 108], 40.00th=[ 121], 50.00th=[ 134], 60.00th=[ 153], | 70.00th=[ 174], 80.00th=[ 205], 90.00th=[ 264], 95.00th=[ 326], | 99.00th=[ 510], 99.50th=[ 558], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 30, max= 160, per=26.00%, avg=82.68, stdev=35.93, samples=148 iops : min= 1, max= 10, avg= 4.46, stdev= 2.39, samples=148 lat (msec) : 10=1.04%, 20=12.37%, 50=22.92%, 100=20.18%, 250=37.63% lat (msec) : 500=5.21%, 750=0.65% cpu : usr=0.04%, sys=1.15%, ctx=1348, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=303KiB/s (310kB/s), 72.5KiB/s-80.8KiB/s (74.3kB/s-82.8kB/s), io=23.4MiB (24.5MB), run=77414-79178msec WRITE: bw=318KiB/s (326kB/s), 77.9KiB/s-82.6KiB/s (79.8kB/s-84.6kB/s), io=24.6MiB (25.8MB), run=77414-79178msec 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=145519: Wed Sep 9 01:55:54 2026 read: IOPS=2, BW=2448KiB/s (2507kB/s)(7168KiB/2928msec) clat (msec): min=92, max=185, avg=137.28, stdev=34.93 lat (msec): min=92, max=185, avg=137.28, stdev=34.93 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 92], 10.00th=[ 92], 20.00th=[ 114], | 30.00th=[ 116], 40.00th=[ 116], 50.00th=[ 130], 60.00th=[ 144], | 70.00th=[ 144], 80.00th=[ 182], 90.00th=[ 186], 95.00th=[ 186], | 99.00th=[ 186], 99.50th=[ 186], 99.90th=[ 186], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 2048, max= 4101, per=100.00%, avg=3401.33, stdev=1172.25, samples=3 iops : min= 2, max= 4, avg= 3.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1749KiB/s (1791kB/s)(5120KiB/2928msec); 0 zone resets clat (msec): min=160, max=954, avg=371.52, stdev=328.86 lat (msec): min=160, max=954, avg=371.62, stdev=328.85 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 161], | 30.00th=[ 215], 40.00th=[ 215], 50.00th=[ 259], 60.00th=[ 259], | 70.00th=[ 271], 80.00th=[ 271], 90.00th=[ 953], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 1367, max= 4096, per=76.28%, avg=3167.33, stdev=1559.39, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 lat (msec) : 100=8.33%, 250=66.67%, 500=16.67%, 1000=8.33% cpu : usr=0.10%, sys=4.03%, ctx=62, 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=145520: Wed Sep 9 01:55:54 2026 read: IOPS=0, BW=297KiB/s (304kB/s)(2048KiB/6904msec) clat (msec): min=100, max=159, avg=130.05, stdev=41.48 lat (msec): min=100, max=159, avg=130.05, stdev=41.48 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 102], 10.00th=[ 102], 20.00th=[ 102], | 30.00th=[ 102], 40.00th=[ 102], 50.00th=[ 102], 60.00th=[ 159], | 70.00th=[ 159], 80.00th=[ 159], 90.00th=[ 159], 95.00th=[ 159], | 99.00th=[ 159], 99.50th=[ 159], 99.90th=[ 159], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 1957, max= 1988, per=66.50%, avg=1972.50, stdev=21.92, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1483KiB/s (1519kB/s)(10.0MiB/6904msec); 0 zone resets clat (msec): min=245, max=3199, avg=659.29, stdev=903.17 lat (msec): min=245, max=3199, avg=659.48, stdev=903.12 clat percentiles (msec): | 1.00th=[ 247], 5.00th=[ 247], 10.00th=[ 247], 20.00th=[ 249], | 30.00th=[ 251], 40.00th=[ 275], 50.00th=[ 309], 60.00th=[ 439], | 70.00th=[ 451], 80.00th=[ 535], 90.00th=[ 642], 95.00th=[ 3205], | 99.00th=[ 3205], 99.50th=[ 3205], 99.90th=[ 3205], 99.95th=[ 3205], | 99.99th=[ 3205] bw ( KiB/s): min= 1957, max= 4079, per=62.44%, avg=2592.71, stdev=1010.35, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 250=41.67%, 500=33.33%, 750=16.67%, >=2000=8.33% cpu : usr=0.00%, sys=2.17%, ctx=72, 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=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=145521: Wed Sep 9 01:55:54 2026 read: IOPS=1, BW=1193KiB/s (1222kB/s)(6144KiB/5148msec) clat (msec): min=75, max=255, avg=159.50, stdev=76.55 lat (msec): min=75, max=255, avg=159.50, stdev=76.55 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 81], | 30.00th=[ 81], 40.00th=[ 134], 50.00th=[ 134], 60.00th=[ 178], | 70.00th=[ 236], 80.00th=[ 236], 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= 2043, max= 4055, per=100.00%, avg=3379.00, stdev=1157.04, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1193KiB/s (1222kB/s)(6144KiB/5148msec); 0 zone resets clat (msec): min=230, max=2602, avg=669.35, stdev=949.18 lat (msec): min=230, max=2602, avg=669.43, stdev=949.17 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 234], | 30.00th=[ 234], 40.00th=[ 264], 50.00th=[ 264], 60.00th=[ 288], | 70.00th=[ 397], 80.00th=[ 397], 90.00th=[ 2601], 95.00th=[ 2601], | 99.00th=[ 2601], 99.50th=[ 2601], 99.90th=[ 2601], 99.95th=[ 2601], | 99.99th=[ 2601] bw ( KiB/s): min= 2023, max= 2737, per=53.17%, avg=2207.50, stdev=353.11, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (msec) : 100=16.67%, 250=41.67%, 500=33.33%, >=2000=8.33% cpu : usr=0.00%, sys=1.81%, ctx=56, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145522: Wed Sep 9 01:55:54 2026 read: IOPS=0, BW=935KiB/s (957kB/s)(5120KiB/5477msec) clat (msec): min=89, max=481, avg=187.78, stdev=164.71 lat (msec): min=89, max=481, avg=187.78, stdev=164.71 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 90], | 30.00th=[ 120], 40.00th=[ 120], 50.00th=[ 123], 60.00th=[ 123], | 70.00th=[ 127], 80.00th=[ 127], 90.00th=[ 481], 95.00th=[ 481], | 99.00th=[ 481], 99.50th=[ 481], 99.90th=[ 481], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 2019, max= 6144, per=100.00%, avg=4081.50, stdev=2916.82, samples=2 iops : min= 1, max= 6, avg= 3.50, stdev= 3.54, samples=2 write: IOPS=1, BW=1309KiB/s (1340kB/s)(7168KiB/5477msec); 0 zone resets clat (msec): min=180, max=2386, avg=639.06, stdev=791.03 lat (msec): min=180, max=2386, avg=639.14, stdev=791.04 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 259], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 288], 60.00th=[ 342], | 70.00th=[ 342], 80.00th=[ 735], 90.00th=[ 2400], 95.00th=[ 2400], | 99.00th=[ 2400], 99.50th=[ 2400], 99.90th=[ 2400], 99.95th=[ 2400], | 99.99th=[ 2400] bw ( KiB/s): min= 2023, max= 3893, per=66.42%, avg=2757.75, stdev=907.69, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 lat (msec) : 100=8.33%, 250=33.33%, 500=41.67%, 750=8.33%, >=2000=8.33% cpu : usr=0.02%, sys=2.50%, ctx=62, 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=2966KiB/s (3038kB/s), 297KiB/s-2448KiB/s (304kB/s-2507kB/s), io=20.0MiB (20.0MB), run=2928-6904msec WRITE: bw=4153KiB/s (4253kB/s), 1193KiB/s-1749KiB/s (1222kB/s-1791kB/s), io=28.0MiB (29.4MB), run=2928-6904msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145524: Wed Sep 9 01:55:54 2026 read: IOPS=1, BW=1148KiB/s (1175kB/s)(7168KiB/6246msec) clat (usec): min=465, max=3133.6k, avg=608373.93, stdev=1118884.87 lat (usec): min=466, max=3133.6k, avg=608375.11, stdev=1118884.84 clat percentiles (usec): | 1.00th=[ 465], 5.00th=[ 465], 10.00th=[ 465], | 20.00th=[ 137364], 30.00th=[ 156238], 40.00th=[ 156238], | 50.00th=[ 221250], 60.00th=[ 254804], 70.00th=[ 254804], | 80.00th=[ 354419], 90.00th=[3137340], 95.00th=[3137340], | 99.00th=[3137340], 99.50th=[3137340], 99.90th=[3137340], | 99.95th=[3137340], 99.99th=[3137340] bw ( KiB/s): min= 1387, max= 4047, per=86.90%, avg=2848.50, stdev=1361.28, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=0, BW=820KiB/s (839kB/s)(5120KiB/6246msec); 0 zone resets clat (msec): min=107, max=727, avg=396.90, stdev=237.73 lat (msec): min=107, max=727, avg=396.98, stdev=237.75 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 108], 10.00th=[ 108], 20.00th=[ 108], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 342], 60.00th=[ 342], | 70.00th=[ 527], 80.00th=[ 527], 90.00th=[ 726], 95.00th=[ 726], | 99.00th=[ 726], 99.50th=[ 726], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 1992, max= 4023, per=58.37%, avg=2679.33, stdev=1163.75, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 500=8.33% lat (msec) : 250=33.33%, 500=33.33%, 750=16.67%, >=2000=8.33% cpu : usr=0.00%, sys=8.28%, ctx=694, 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=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=145525: Wed Sep 9 01:55:54 2026 read: IOPS=0, BW=342KiB/s (350kB/s)(2048KiB/5993msec) clat (msec): min=148, max=187, avg=167.95, stdev=27.20 lat (msec): min=148, max=187, avg=167.96, stdev=27.20 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 148], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 148], 60.00th=[ 188], | 70.00th=[ 188], 80.00th=[ 188], 90.00th=[ 188], 95.00th=[ 188], | 99.00th=[ 188], 99.50th=[ 188], 99.90th=[ 188], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 1477, max= 2003, per=53.08%, avg=1740.00, stdev=371.94, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1709KiB/s (1750kB/s)(10.0MiB/5993msec); 0 zone resets clat (msec): min=195, max=2920, avg=565.14, stdev=838.84 lat (msec): min=195, max=2920, avg=565.22, stdev=838.84 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 197], 10.00th=[ 197], 20.00th=[ 199], | 30.00th=[ 203], 40.00th=[ 249], 50.00th=[ 266], 60.00th=[ 279], | 70.00th=[ 305], 80.00th=[ 384], 90.00th=[ 651], 95.00th=[ 2937], | 99.00th=[ 2937], 99.50th=[ 2937], 99.90th=[ 2937], 99.95th=[ 2937], | 99.99th=[ 2937] bw ( KiB/s): min= 1477, max= 6131, per=63.87%, avg=2931.67, stdev=1792.61, samples=6 iops : min= 1, max= 5, avg= 2.00, stdev= 1.67, samples=6 lat (msec) : 250=50.00%, 500=33.33%, 750=8.33%, >=2000=8.33% cpu : usr=0.03%, sys=7.39%, ctx=148, 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=145526: Wed Sep 9 01:55:54 2026 read: IOPS=1, BW=1077KiB/s (1103kB/s)(6144KiB/5703msec) clat (usec): min=466, max=757089, avg=200638.11, stdev=293738.12 lat (usec): min=467, max=757090, avg=200639.16, stdev=293737.97 clat percentiles (usec): | 1.00th=[ 465], 5.00th=[ 465], 10.00th=[ 465], 20.00th=[ 578], | 30.00th=[ 578], 40.00th=[ 1876], 50.00th=[ 1876], 60.00th=[196084], | 70.00th=[246416], 80.00th=[246416], 90.00th=[759170], 95.00th=[759170], | 99.00th=[759170], 99.50th=[759170], 99.90th=[759170], 99.95th=[759170], | 99.99th=[759170] bw ( KiB/s): min= 3968, max= 4007, per=100.00%, avg=3987.50, stdev=27.58, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1077KiB/s (1103kB/s)(6144KiB/5703msec); 0 zone resets clat (msec): min=119, max=3108, avg=749.45, stdev=1163.80 lat (msec): min=119, max=3108, avg=749.52, stdev=1163.79 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 121], 10.00th=[ 121], 20.00th=[ 199], | 30.00th=[ 199], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 338], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 3104], 95.00th=[ 3104], | 99.00th=[ 3104], 99.50th=[ 3104], 99.90th=[ 3104], 99.95th=[ 3104], | 99.99th=[ 3104] bw ( KiB/s): min= 1501, max= 2043, per=41.58%, avg=1908.40, stdev=228.74, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 2=8.33%, 250=41.67%, 500=8.33%, 750=8.33%, 1000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.00%, sys=5.82%, ctx=88, 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=145527: Wed Sep 9 01:55:54 2026 read: IOPS=0, BW=917KiB/s (939kB/s)(5120KiB/5582msec) clat (usec): min=356, max=437061, avg=117865.61, stdev=189984.09 lat (usec): min=357, max=437062, avg=117866.42, stdev=189984.15 clat percentiles (usec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 359], | 30.00th=[ 408], 40.00th=[ 408], 50.00th=[ 461], 60.00th=[ 461], | 70.00th=[152044], 80.00th=[152044], 90.00th=[438305], 95.00th=[438305], | 99.00th=[438305], 99.50th=[438305], 99.90th=[438305], 99.95th=[438305], | 99.99th=[438305] bw ( KiB/s): min= 8015, max= 8015, per=100.00%, avg=8015.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1284KiB/s (1315kB/s)(7168KiB/5582msec); 0 zone resets clat (msec): min=116, max=3178, avg=712.65, stdev=1098.25 lat (msec): min=116, max=3179, avg=712.73, stdev=1098.29 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 165], | 30.00th=[ 197], 40.00th=[ 197], 50.00th=[ 342], 60.00th=[ 489], | 70.00th=[ 489], 80.00th=[ 502], 90.00th=[ 3171], 95.00th=[ 3171], | 99.00th=[ 3171], 99.50th=[ 3171], 99.90th=[ 3171], 99.95th=[ 3171], | 99.99th=[ 3171] bw ( KiB/s): min= 1486, max= 4023, per=58.92%, avg=2704.60, stdev=1214.83, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 1.10, samples=5 lat (usec) : 500=25.00% lat (msec) : 250=33.33%, 500=25.00%, 750=8.33%, >=2000=8.33% cpu : usr=0.00%, sys=5.63%, ctx=97, 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=3279KiB/s (3358kB/s), 342KiB/s-1148KiB/s (350kB/s-1175kB/s), io=20.0MiB (20.0MB), run=5582-6246msec WRITE: bw=4590KiB/s (4701kB/s), 820KiB/s-1709KiB/s (839kB/s-1750kB/s), io=28.0MiB (29.4MB), run=5582-6246msec 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=145534: Wed Sep 9 01:56:10 2026 read: IOPS=0, BW=3340KiB/s (3420kB/s)(12.0MiB/3679msec) clat (msec): min=1017, max=1204, avg=1100.98, stdev=95.32 lat (msec): min=1017, max=1204, avg=1100.98, stdev=95.32 clat percentiles (msec): | 1.00th=[ 1020], 5.00th=[ 1020], 10.00th=[ 1020], 20.00th=[ 1020], | 30.00th=[ 1020], 40.00th=[ 1083], 50.00th=[ 1083], 60.00th=[ 1083], | 70.00th=[ 1200], 80.00th=[ 1200], 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= 8031, max= 8159, per=100.00%, avg=8095.00, stdev=90.51, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 2000=100.00% cpu : usr=0.03%, sys=7.37%, ctx=218, 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=145535: Wed Sep 9 01:56:10 2026 read: IOPS=0, BW=1120KiB/s (1147kB/s)(4096KiB/3656msec) clat (nsec): min=1200.5M, max=1200.5M, avg=1200509068.00, stdev= 0.00 lat (nsec): min=1200.5M, max=1200.5M, avg=1200511853.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1200], 5.00th=[ 1200], 10.00th=[ 1200], 20.00th=[ 1200], | 30.00th=[ 1200], 40.00th=[ 1200], 50.00th=[ 1200], 60.00th=[ 1200], | 70.00th=[ 1200], 80.00th=[ 1200], 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= 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=2241KiB/s (2294kB/s)(8192KiB/3656msec); 0 zone resets clat (msec): min=701, max=1485, avg=1093.63, stdev=554.30 lat (msec): min=701, max=1485, avg=1093.91, stdev=554.40 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 1485], | 70.00th=[ 1485], 80.00th=[ 1485], 90.00th=[ 1485], 95.00th=[ 1485], | 99.00th=[ 1485], 99.50th=[ 1485], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 8094, max= 8094, per=98.78%, avg=8094.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=4.98%, ctx=137, 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=145536: Wed Sep 9 01:56:10 2026 write: IOPS=0, BW=3073KiB/s (3147kB/s)(12.0MiB/3999msec); 0 zone resets clat (msec): min=822, max=1641, avg=1210.57, stdev=411.11 lat (msec): min=826, max=1648, avg=1214.63, stdev=412.99 clat percentiles (msec): | 1.00th=[ 827], 5.00th=[ 827], 10.00th=[ 827], 20.00th=[ 827], | 30.00th=[ 827], 40.00th=[ 1167], 50.00th=[ 1167], 60.00th=[ 1167], | 70.00th=[ 1636], 80.00th=[ 1636], 90.00th=[ 1636], 95.00th=[ 1636], | 99.00th=[ 1636], 99.50th=[ 1636], 99.90th=[ 1636], 99.95th=[ 1636], | 99.99th=[ 1636] bw ( KiB/s): min= 7861, max= 8031, per=96.97%, avg=7946.00, stdev=120.21, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=7.13%, ctx=110, 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=145537: Wed Sep 9 01:56:10 2026 write: IOPS=0, BW=3741KiB/s (3830kB/s)(12.0MiB/3285msec); 0 zone resets clat (msec): min=392, max=2055, avg=1001.33, stdev=916.94 lat (msec): min=392, max=2056, avg=1002.63, stdev=916.39 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 558], 50.00th=[ 558], 60.00th=[ 558], | 70.00th=[ 2056], 80.00th=[ 2056], 90.00th=[ 2056], 95.00th=[ 2056], | 99.00th=[ 2056], 99.50th=[ 2056], 99.90th=[ 2056], 99.95th=[ 2056], | 99.99th=[ 2056] bw ( KiB/s): min= 7420, max= 8159, per=95.06%, avg=7789.50, stdev=522.55, 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=3.14%, ctx=79, 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=4453KiB/s (4560kB/s), 1120KiB/s-3340KiB/s (1147kB/s-3420kB/s), io=16.0MiB (16.8MB), run=3656-3679msec WRITE: bw=8194KiB/s (8391kB/s), 2241KiB/s-3741KiB/s (2294kB/s-3830kB/s), io=32.0MiB (33.6MB), run=3285-3999msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145538: Wed Sep 9 01:56:11 2026 read: IOPS=0, BW=2931KiB/s (3001kB/s)(12.0MiB/4193msec) clat (msec): min=246, max=2280, avg=1377.34, stdev=1036.16 lat (msec): min=246, max=2280, avg=1377.35, stdev=1036.16 clat percentiles (msec): | 1.00th=[ 247], 5.00th=[ 247], 10.00th=[ 247], 20.00th=[ 247], | 30.00th=[ 247], 40.00th=[ 1603], 50.00th=[ 1603], 60.00th=[ 1603], | 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= 7757, max= 8159, per=100.00%, avg=7958.00, stdev=284.26, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.65%, ctx=48, 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=145539: Wed Sep 9 01:56:11 2026 read: IOPS=0, BW=1140KiB/s (1167kB/s)(4096KiB/3593msec) clat (nsec): min=1831.5M, max=1831.5M, avg=1831475861.00, stdev= 0.00 lat (nsec): min=1831.5M, max=1831.5M, avg=1831478036.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1838], 5.00th=[ 1838], 10.00th=[ 1838], 20.00th=[ 1838], | 30.00th=[ 1838], 40.00th=[ 1838], 50.00th=[ 1838], 60.00th=[ 1838], | 70.00th=[ 1838], 80.00th=[ 1838], 90.00th=[ 1838], 95.00th=[ 1838], | 99.00th=[ 1838], 99.50th=[ 1838], 99.90th=[ 1838], 99.95th=[ 1838], | 99.99th=[ 1838] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2280KiB/s (2335kB/s)(8192KiB/3593msec); 0 zone resets clat (msec): min=369, max=1324, avg=847.09, stdev=674.73 lat (msec): min=370, max=1324, avg=847.42, stdev=674.68 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 372], 10.00th=[ 372], 20.00th=[ 372], | 30.00th=[ 372], 40.00th=[ 372], 50.00th=[ 372], 60.00th=[ 1318], | 70.00th=[ 1318], 80.00th=[ 1318], 90.00th=[ 1318], 95.00th=[ 1318], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 7757, max= 7757, per=94.22%, avg=7757.00, 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=2.95%, ctx=48, 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=145540: Wed Sep 9 01:56:11 2026 write: IOPS=0, BW=3087KiB/s (3162kB/s)(12.0MiB/3980msec); 0 zone resets clat (msec): min=362, max=2048, avg=1308.62, stdev=861.30 lat (msec): min=363, max=2049, avg=1309.33, stdev=861.83 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 363], 10.00th=[ 363], 20.00th=[ 363], | 30.00th=[ 363], 40.00th=[ 1519], 50.00th=[ 1519], 60.00th=[ 1519], | 70.00th=[ 2056], 80.00th=[ 2056], 90.00th=[ 2056], 95.00th=[ 2056], | 99.00th=[ 2056], 99.50th=[ 2056], 99.90th=[ 2056], 99.95th=[ 2056], | 99.99th=[ 2056] bw ( KiB/s): min= 7757, max= 7757, per=94.22%, avg=7757.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.29%, ctx=31, 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=145541: Wed Sep 9 01:56:11 2026 write: IOPS=0, BW=3732KiB/s (3821kB/s)(12.0MiB/3293msec); 0 zone resets clat (msec): min=323, max=2175, avg=1063.03, stdev=980.47 lat (msec): min=323, max=2176, avg=1064.63, stdev=980.55 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 693], 50.00th=[ 693], 60.00th=[ 693], | 70.00th=[ 2165], 80.00th=[ 2165], 90.00th=[ 2165], 95.00th=[ 2165], | 99.00th=[ 2165], 99.50th=[ 2165], 99.90th=[ 2165], 99.95th=[ 2165], | 99.99th=[ 2165] bw ( KiB/s): min=16286, max=16286, per=100.00%, avg=16286.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=4.16%, ctx=42, 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=3907KiB/s (4001kB/s), 1140KiB/s-2931KiB/s (1167kB/s-3001kB/s), io=16.0MiB (16.8MB), run=3593-4193msec WRITE: bw=8233KiB/s (8431kB/s), 2280KiB/s-3732KiB/s (2335kB/s-3821kB/s), io=32.0MiB (33.6MB), run=3293-3980msec