== sanity test 398b: DIO and buffer IO race ============== 15:07:31 (1784228851) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.02705 s, 16.6 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=182475: Thu Jul 16 15:08:39 2026 read: IOPS=25, BW=104KiB/s (106kB/s)(5992KiB/57890msec) clat (usec): min=35, max=740602, avg=21412.69, stdev=21820.54 lat (usec): min=36, max=740603, avg=21413.66, stdev=21820.54 clat percentiles (usec): | 1.00th=[ 66], 5.00th=[ 8094], 10.00th=[ 9634], 20.00th=[ 11600], | 30.00th=[ 13698], 40.00th=[ 15795], 50.00th=[ 19006], 60.00th=[ 22152], | 70.00th=[ 25035], 80.00th=[ 28967], 90.00th=[ 36439], 95.00th=[ 42206], | 99.00th=[ 57934], 99.50th=[ 63701], 99.90th=[ 74974], 99.95th=[742392], | 99.99th=[742392] bw ( KiB/s): min= 6, max= 166, per=25.21%, avg=103.35, stdev=27.86, samples=115 iops : min= 1, max= 41, avg=25.43, stdev= 6.95, samples=115 write: IOPS=27, BW=109KiB/s (111kB/s)(6296KiB/57890msec); 0 zone resets clat (usec): min=745, max=103166, avg=16267.52, stdev=14199.63 lat (usec): min=746, max=103167, avg=16268.80, stdev=14199.63 clat percentiles (usec): | 1.00th=[ 1139], 5.00th=[ 1844], 10.00th=[ 2442], 20.00th=[ 3490], | 30.00th=[ 5538], 40.00th=[ 9896], 50.00th=[ 12780], 60.00th=[ 15926], | 70.00th=[ 20055], 80.00th=[ 27395], 90.00th=[ 35914], 95.00th=[ 43254], | 99.00th=[ 60556], 99.50th=[ 72877], 99.90th=[101188], 99.95th=[103285], | 99.99th=[103285] bw ( KiB/s): min= 32, max= 200, per=25.46%, avg=109.47, stdev=28.88, samples=114 iops : min= 8, max= 50, avg=26.96, stdev= 7.26, samples=114 lat (usec) : 50=0.13%, 100=0.91%, 250=0.55%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.29% lat (msec) : 2=2.70%, 4=8.89%, 10=12.73%, 20=35.51%, 50=35.77% lat (msec) : 100=2.34%, 250=0.07%, 750=0.03% cpu : usr=0.11%, sys=16.81%, ctx=7991, 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=182476: Thu Jul 16 15:08:39 2026 read: IOPS=25, BW=102KiB/s (105kB/s)(5940KiB/58143msec) clat (usec): min=34, max=78292, avg=20630.87, stdev=11252.02 lat (usec): min=34, max=78293, avg=20632.04, stdev=11252.07 clat percentiles (usec): | 1.00th=[ 70], 5.00th=[ 7767], 10.00th=[ 9896], 20.00th=[11994], | 30.00th=[13829], 40.00th=[16057], 50.00th=[18744], 60.00th=[21365], | 70.00th=[24511], 80.00th=[27919], 90.00th=[34341], 95.00th=[41157], | 99.00th=[62129], 99.50th=[66847], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 6, max= 167, per=24.82%, avg=101.75, stdev=27.23, samples=115 iops : min= 1, max= 41, avg=25.03, stdev= 6.80, samples=115 write: IOPS=27, BW=109KiB/s (112kB/s)(6348KiB/58143msec); 0 zone resets clat (usec): min=903, max=729282, avg=17199.73, stdev=22831.22 lat (usec): min=905, max=729283, avg=17201.59, stdev=22830.86 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 1729], 10.00th=[ 2311], 20.00th=[ 3359], | 30.00th=[ 5997], 40.00th=[ 10421], 50.00th=[ 13698], 60.00th=[ 16909], | 70.00th=[ 21627], 80.00th=[ 27919], 90.00th=[ 37487], 95.00th=[ 44303], | 99.00th=[ 60031], 99.50th=[ 69731], 99.90th=[ 90702], 99.95th=[725615], | 99.99th=[725615] bw ( KiB/s): min= 55, max= 200, per=25.44%, avg=109.40, stdev=28.72, samples=114 iops : min= 13, max= 50, avg=26.95, stdev= 7.24, samples=114 lat (usec) : 50=0.26%, 100=0.78%, 250=0.29%, 500=0.10%, 1000=0.07% lat (msec) : 2=3.58%, 4=9.05%, 10=10.71%, 20=36.52%, 50=35.90% lat (msec) : 100=2.70%, 750=0.03% cpu : usr=0.14%, sys=16.73%, ctx=8134, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182477: Thu Jul 16 15:08:39 2026 read: IOPS=26, BW=104KiB/s (107kB/s)(6028KiB/57792msec) clat (usec): min=37, max=109032, avg=20709.77, stdev=11386.94 lat (usec): min=38, max=109033, avg=20713.93, stdev=11386.42 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 7308], 10.00th=[ 9765], 20.00th=[ 12256], | 30.00th=[ 14091], 40.00th=[ 16188], 50.00th=[ 18482], 60.00th=[ 21365], | 70.00th=[ 24511], 80.00th=[ 27919], 90.00th=[ 34341], 95.00th=[ 41157], | 99.00th=[ 61604], 99.50th=[ 66323], 99.90th=[ 91751], 99.95th=[108528], | 99.99th=[108528] bw ( KiB/s): min= 32, max= 184, per=25.64%, avg=105.13, stdev=26.25, samples=114 iops : min= 8, max= 46, avg=25.88, stdev= 6.63, samples=114 write: IOPS=27, BW=108KiB/s (111kB/s)(6260KiB/57792msec); 0 zone resets clat (usec): min=828, max=732833, avg=16848.43, stdev=22880.77 lat (usec): min=828, max=732835, avg=16850.07, stdev=22880.82 clat percentiles (usec): | 1.00th=[ 1139], 5.00th=[ 1729], 10.00th=[ 2474], 20.00th=[ 3458], | 30.00th=[ 5669], 40.00th=[ 10290], 50.00th=[ 13173], 60.00th=[ 16581], | 70.00th=[ 21103], 80.00th=[ 26870], 90.00th=[ 36963], 95.00th=[ 43254], | 99.00th=[ 58983], 99.50th=[ 70779], 99.90th=[102237], 99.95th=[734004], | 99.99th=[734004] bw ( KiB/s): min= 32, max= 176, per=25.38%, avg=109.11, stdev=28.29, samples=114 iops : min= 8, max= 44, avg=26.88, stdev= 7.08, samples=114 lat (usec) : 50=0.23%, 100=1.01%, 250=0.39%, 500=0.03%, 1000=0.23% lat (msec) : 2=2.99%, 4=8.59%, 10=11.65%, 20=36.33%, 50=35.97% lat (msec) : 100=2.47%, 250=0.07%, 750=0.03% cpu : usr=0.12%, sys=16.76%, ctx=7987, 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=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=182478: Thu Jul 16 15:08:39 2026 read: IOPS=25, BW=104KiB/s (106kB/s)(6052KiB/58456msec) clat (usec): min=32, max=107487, avg=21042.12, stdev=11783.66 lat (usec): min=33, max=107488, avg=21043.23, stdev=11783.63 clat percentiles (usec): | 1.00th=[ 71], 5.00th=[ 7504], 10.00th=[ 9634], 20.00th=[ 12256], | 30.00th=[ 14484], 40.00th=[ 16712], 50.00th=[ 19006], 60.00th=[ 21627], | 70.00th=[ 24773], 80.00th=[ 28443], 90.00th=[ 34866], 95.00th=[ 40633], | 99.00th=[ 63701], 99.50th=[ 74974], 99.90th=[ 88605], 99.95th=[107480], | 99.99th=[107480] bw ( KiB/s): min= 32, max= 168, per=25.34%, avg=103.91, stdev=24.33, samples=115 iops : min= 8, max= 42, avg=25.57, stdev= 6.13, samples=115 write: IOPS=26, BW=107KiB/s (109kB/s)(6236KiB/58456msec); 0 zone resets clat (usec): min=917, max=768310, avg=16942.89, stdev=23447.38 lat (usec): min=918, max=768311, avg=16945.08, stdev=23447.25 clat percentiles (usec): | 1.00th=[ 1254], 5.00th=[ 1909], 10.00th=[ 2573], 20.00th=[ 3752], | 30.00th=[ 6521], 40.00th=[ 10159], 50.00th=[ 12911], 60.00th=[ 16188], | 70.00th=[ 21365], 80.00th=[ 27657], 90.00th=[ 35914], 95.00th=[ 43779], | 99.00th=[ 60031], 99.50th=[ 66323], 99.90th=[ 79168], 99.95th=[767558], | 99.99th=[767558] bw ( KiB/s): min= 47, max= 216, per=24.89%, avg=107.04, stdev=31.60, samples=115 iops : min= 11, max= 54, avg=26.36, stdev= 7.96, samples=115 lat (usec) : 50=0.20%, 100=0.72%, 250=0.55%, 500=0.03%, 1000=0.07% lat (msec) : 2=2.64%, 4=8.30%, 10=12.92%, 20=35.94%, 50=36.04% lat (msec) : 100=2.54%, 250=0.03%, 1000=0.03% cpu : usr=0.15%, sys=16.55%, ctx=8195, majf=0, minf=18 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=411KiB/s (421kB/s), 102KiB/s-104KiB/s (105kB/s-107kB/s), io=23.4MiB (24.6MB), run=57792-58456msec WRITE: bw=430KiB/s (440kB/s), 107KiB/s-109KiB/s (109kB/s-112kB/s), io=24.6MiB (25.7MB), run=57792-58456msec rand-rw: (groupid=0, jobs=1): err= 0: pid=182471: Thu Jul 16 15:08:54 2026 read: IOPS=20, BW=81.6KiB/s (83.6kB/s)(5992KiB/73428msec) clat (msec): min=3, max=745, avg=20.21, stdev=24.74 lat (msec): min=3, max=745, avg=20.21, stdev=24.74 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 10], 40.00th=[ 13], 50.00th=[ 15], 60.00th=[ 17], | 70.00th=[ 21], 80.00th=[ 29], 90.00th=[ 44], 95.00th=[ 54], | 99.00th=[ 78], 99.50th=[ 87], 99.90th=[ 138], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 15, max= 255, per=25.12%, avg=81.90, stdev=47.64, samples=145 iops : min= 3, max= 63, avg=20.06, stdev=11.95, samples=145 write: IOPS=21, BW=85.7KiB/s (87.8kB/s)(6296KiB/73428msec); 0 zone resets clat (msec): min=6, max=134, avg=27.27, stdev=17.49 lat (msec): min=6, max=134, avg=27.28, stdev=17.49 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 33], 80.00th=[ 41], 90.00th=[ 51], 95.00th=[ 60], | 99.00th=[ 87], 99.50th=[ 108], 99.90th=[ 116], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 16, max= 224, per=25.22%, avg=85.99, stdev=46.33, samples=145 iops : min= 4, max= 56, avg=21.08, stdev=11.61, samples=145 lat (msec) : 4=0.20%, 10=18.33%, 20=38.15%, 50=34.44%, 100=8.46% lat (msec) : 250=0.39%, 750=0.03% cpu : usr=0.10%, sys=8.26%, ctx=5635, 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=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=182472: Thu Jul 16 15:08:54 2026 read: IOPS=20, BW=80.8KiB/s (82.7kB/s)(5940KiB/73512msec) clat (msec): min=3, max=716, avg=20.19, stdev=23.92 lat (msec): min=3, max=716, avg=20.19, stdev=23.92 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 22], 80.00th=[ 29], 90.00th=[ 42], 95.00th=[ 53], | 99.00th=[ 79], 99.50th=[ 90], 99.90th=[ 138], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 16, max= 240, per=24.90%, avg=81.19, stdev=46.92, samples=145 iops : min= 4, max= 60, avg=19.88, stdev=11.77, samples=145 write: IOPS=21, BW=86.4KiB/s (88.4kB/s)(6348KiB/73512msec); 0 zone resets clat (msec): min=5, max=107, avg=27.29, stdev=16.90 lat (msec): min=5, max=107, avg=27.29, stdev=16.90 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 41], 90.00th=[ 51], 95.00th=[ 62], | 99.00th=[ 84], 99.50th=[ 92], 99.90th=[ 104], 99.95th=[ 108], | 99.99th=[ 108] bw ( KiB/s): min= 32, max= 216, per=25.36%, avg=86.49, stdev=44.64, samples=145 iops : min= 8, max= 54, avg=21.20, stdev=11.18, samples=145 lat (msec) : 4=0.13%, 10=16.73%, 20=39.36%, 50=35.61%, 100=7.91% lat (msec) : 250=0.23%, 750=0.03% cpu : usr=0.12%, sys=8.16%, ctx=5664, 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=182473: Thu Jul 16 15:08:54 2026 read: IOPS=20, BW=81.8KiB/s (83.8kB/s)(6028KiB/73655msec) clat (msec): min=3, max=107, avg=20.03, stdev=15.80 lat (msec): min=3, max=107, avg=20.03, stdev=15.80 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 22], 80.00th=[ 29], 90.00th=[ 44], 95.00th=[ 54], | 99.00th=[ 78], 99.50th=[ 86], 99.90th=[ 96], 99.95th=[ 108], | 99.99th=[ 108] bw ( KiB/s): min= 24, max= 272, per=25.13%, avg=81.91, stdev=44.87, samples=145 iops : min= 6, max= 68, avg=20.06, stdev=11.24, samples=145 write: IOPS=21, BW=84.0KiB/s (87.0kB/s)(6260KiB/73655msec); 0 zone resets clat (msec): min=6, max=727, avg=27.63, stdev=24.82 lat (msec): min=6, max=727, avg=27.63, stdev=24.82 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 40], 90.00th=[ 51], 95.00th=[ 61], | 99.00th=[ 91], 99.50th=[ 108], 99.90th=[ 123], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 23, max= 216, per=24.92%, avg=84.99, stdev=45.20, samples=145 iops : min= 5, max= 54, avg=20.83, stdev=11.35, samples=145 lat (msec) : 4=0.13%, 10=17.22%, 20=38.38%, 50=35.87%, 100=8.11% lat (msec) : 250=0.26%, 750=0.03% cpu : usr=0.09%, sys=8.09%, ctx=5653, 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=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=182474: Thu Jul 16 15:08:54 2026 read: IOPS=20, BW=82.6KiB/s (84.6kB/s)(6052KiB/73258msec) clat (msec): min=3, max=128, avg=19.77, stdev=15.74 lat (msec): min=3, max=128, avg=19.77, stdev=15.74 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 15], 60.00th=[ 17], | 70.00th=[ 21], 80.00th=[ 28], 90.00th=[ 43], 95.00th=[ 56], | 99.00th=[ 77], 99.50th=[ 85], 99.90th=[ 108], 99.95th=[ 129], | 99.99th=[ 129] bw ( KiB/s): min= 15, max= 262, per=25.33%, avg=82.58, stdev=46.13, samples=144 iops : min= 3, max= 65, avg=20.22, stdev=11.56, samples=144 write: IOPS=21, BW=85.1KiB/s (87.2kB/s)(6236KiB/73258msec); 0 zone resets clat (msec): min=6, max=727, avg=27.66, stdev=24.75 lat (msec): min=6, max=727, avg=27.67, stdev=24.75 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 41], 90.00th=[ 50], 95.00th=[ 61], | 99.00th=[ 92], 99.50th=[ 103], 99.90th=[ 134], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 23, max= 240, per=25.00%, avg=85.26, stdev=45.06, samples=144 iops : min= 5, max= 60, avg=20.89, stdev=11.31, samples=144 lat (msec) : 4=0.13%, 10=16.37%, 20=39.97%, 50=35.29%, 100=7.91% lat (msec) : 250=0.29%, 750=0.03% cpu : usr=0.10%, sys=8.18%, ctx=5635, 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=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=326KiB/s (334kB/s), 80.8KiB/s-82.6KiB/s (82.7kB/s-84.6kB/s), io=23.4MiB (24.6MB), run=73258-73655msec WRITE: bw=341KiB/s (350kB/s), 84.0KiB/s-86.4KiB/s (87.0kB/s-88.4kB/s), io=24.6MiB (25.7MB), run=73258-73655msec 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=182511: Thu Jul 16 15:09:16 2026 read: IOPS=24, BW=393KiB/s (403kB/s)(5920KiB/15049msec) clat (usec): min=44, max=111104, avg=21889.44, stdev=12962.77 lat (usec): min=46, max=111105, avg=21890.62, stdev=12962.66 clat percentiles (usec): | 1.00th=[ 62], 5.00th=[ 108], 10.00th=[ 10552], 20.00th=[ 13566], | 30.00th=[ 15401], 40.00th=[ 17695], 50.00th=[ 20055], 60.00th=[ 22414], | 70.00th=[ 25297], 80.00th=[ 29230], 90.00th=[ 36439], 95.00th=[ 44303], | 99.00th=[ 69731], 99.50th=[ 71828], 99.90th=[110625], 99.95th=[110625], | 99.99th=[110625] bw ( KiB/s): min= 222, max= 574, per=25.78%, avg=388.79, stdev=83.88, samples=29 iops : min= 13, max= 35, avg=23.66, stdev= 5.33, samples=29 write: IOPS=26, BW=423KiB/s (433kB/s)(6368KiB/15049msec); 0 zone resets clat (usec): min=1139, max=71915, avg=17216.59, stdev=13643.09 lat (usec): min=1140, max=71916, avg=17219.52, stdev=13642.10 clat percentiles (usec): | 1.00th=[ 1713], 5.00th=[ 2638], 10.00th=[ 3621], 20.00th=[ 5080], | 30.00th=[ 7111], 40.00th=[10814], 50.00th=[13304], 60.00th=[16450], | 70.00th=[22414], 80.00th=[28705], 90.00th=[37487], 95.00th=[47449], | 99.00th=[56886], 99.50th=[62129], 99.90th=[71828], 99.95th=[71828], | 99.99th=[71828] bw ( KiB/s): min= 223, max= 731, per=26.64%, avg=422.72, stdev=112.20, samples=29 iops : min= 13, max= 45, avg=25.79, stdev= 7.10, samples=29 lat (usec) : 50=0.26%, 100=1.82%, 250=1.43% lat (msec) : 2=1.69%, 4=4.69%, 10=14.71%, 20=33.59%, 50=38.93% lat (msec) : 100=2.73%, 250=0.13% cpu : usr=0.11%, sys=19.46%, ctx=2306, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182512: Thu Jul 16 15:09:16 2026 read: IOPS=22, BW=362KiB/s (371kB/s)(5744KiB/15874msec) clat (usec): min=40, max=80440, avg=22874.61, stdev=11664.47 lat (usec): min=42, max=80441, avg=22876.47, stdev=11665.15 clat percentiles (usec): | 1.00th=[ 71], 5.00th=[ 7373], 10.00th=[10290], 20.00th=[13829], | 30.00th=[16909], 40.00th=[18744], 50.00th=[21365], 60.00th=[24511], | 70.00th=[26870], 80.00th=[31065], 90.00th=[36963], 95.00th=[44827], | 99.00th=[55837], 99.50th=[71828], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 159, max= 480, per=23.73%, avg=357.81, stdev=82.22, samples=31 iops : min= 9, max= 30, avg=21.71, stdev= 5.31, samples=31 write: IOPS=25, BW=412KiB/s (422kB/s)(6544KiB/15874msec); 0 zone resets clat (usec): min=970, max=80703, avg=18606.41, stdev=14501.23 lat (usec): min=971, max=80705, avg=18608.14, stdev=14501.27 clat percentiles (usec): | 1.00th=[ 1745], 5.00th=[ 2835], 10.00th=[ 3458], 20.00th=[ 5014], | 30.00th=[ 8225], 40.00th=[11207], 50.00th=[14615], 60.00th=[18482], | 70.00th=[25035], 80.00th=[31589], 90.00th=[39584], 95.00th=[44827], | 99.00th=[55837], 99.50th=[67634], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 191, max= 670, per=25.54%, avg=405.29, stdev=102.61, samples=31 iops : min= 11, max= 41, avg=24.68, stdev= 6.42, samples=31 lat (usec) : 50=0.13%, 100=1.04%, 250=0.52%, 500=0.13%, 1000=0.13% lat (msec) : 2=0.91%, 4=6.38%, 10=14.45%, 20=30.47%, 50=43.23% lat (msec) : 100=2.60% cpu : usr=0.21%, sys=18.87%, ctx=2262, 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=182513: Thu Jul 16 15:09:16 2026 read: IOPS=25, BW=401KiB/s (410kB/s)(6256KiB/15610msec) clat (usec): min=46, max=91317, avg=22134.69, stdev=12943.73 lat (usec): min=47, max=91318, avg=22135.73, stdev=12943.75 clat percentiles (usec): | 1.00th=[ 60], 5.00th=[ 147], 10.00th=[10421], 20.00th=[13304], | 30.00th=[15270], 40.00th=[17957], 50.00th=[20055], 60.00th=[22676], | 70.00th=[25822], 80.00th=[30278], 90.00th=[37487], 95.00th=[40109], | 99.00th=[80217], 99.50th=[86508], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 223, max= 670, per=26.73%, avg=403.07, stdev=104.48, samples=30 iops : min= 13, max= 41, avg=24.57, stdev= 6.49, samples=30 write: IOPS=24, BW=386KiB/s (396kB/s)(6032KiB/15610msec); 0 zone resets clat (usec): min=1206, max=94325, avg=18236.01, stdev=15276.73 lat (usec): min=1208, max=94327, avg=18237.95, stdev=15276.60 clat percentiles (usec): | 1.00th=[ 1500], 5.00th=[ 2769], 10.00th=[ 4146], 20.00th=[ 5538], | 30.00th=[ 8586], 40.00th=[10814], 50.00th=[13566], 60.00th=[16909], | 70.00th=[21627], 80.00th=[27132], 90.00th=[39060], 95.00th=[50594], | 99.00th=[68682], 99.50th=[79168], 99.90th=[93848], 99.95th=[93848], | 99.99th=[93848] bw ( KiB/s): min= 221, max= 544, per=24.02%, avg=381.20, stdev=88.96, samples=30 iops : min= 13, max= 34, avg=23.20, stdev= 5.69, samples=30 lat (usec) : 50=0.13%, 100=1.43%, 250=1.17% lat (msec) : 2=1.04%, 4=3.65%, 10=14.58%, 20=35.29%, 50=38.80% lat (msec) : 100=3.91% cpu : usr=0.16%, sys=18.96%, ctx=2352, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182514: Thu Jul 16 15:09:16 2026 read: IOPS=24, BW=388KiB/s (397kB/s)(6032KiB/15547msec) clat (usec): min=52, max=91823, avg=21854.65, stdev=13697.67 lat (usec): min=52, max=91824, avg=21856.42, stdev=13697.79 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 90], 10.00th=[ 8455], 20.00th=[12649], | 30.00th=[14877], 40.00th=[16909], 50.00th=[19268], 60.00th=[22938], | 70.00th=[26870], 80.00th=[31589], 90.00th=[38011], 95.00th=[47449], | 99.00th=[68682], 99.50th=[77071], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 224, max= 537, per=25.64%, avg=386.67, stdev=85.46, samples=30 iops : min= 14, max= 33, avg=23.53, stdev= 5.33, samples=30 write: IOPS=25, BW=402KiB/s (412kB/s)(6256KiB/15547msec); 0 zone resets clat (usec): min=1195, max=78415, avg=18350.96, stdev=14595.80 lat (usec): min=1197, max=78417, avg=18352.76, stdev=14595.86 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[ 2802], 10.00th=[ 3916], 20.00th=[ 5342], | 30.00th=[ 7767], 40.00th=[11469], 50.00th=[14091], 60.00th=[18482], | 70.00th=[23987], 80.00th=[28967], 90.00th=[39060], 95.00th=[47973], | 99.00th=[69731], 99.50th=[70779], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 223, max= 766, per=25.41%, avg=403.27, stdev=116.00, samples=30 iops : min= 13, max= 47, avg=24.57, stdev= 7.32, samples=30 lat (usec) : 100=2.60%, 250=1.69%, 500=0.39% lat (msec) : 2=1.04%, 4=4.82%, 10=14.32%, 20=32.29%, 50=39.06% lat (msec) : 100=3.78% cpu : usr=0.15%, sys=19.19%, ctx=2301, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1509KiB/s (1545kB/s), 362KiB/s-401KiB/s (371kB/s-410kB/s), io=23.4MiB (24.5MB), run=15049-15874msec WRITE: bw=1588KiB/s (1626kB/s), 386KiB/s-423KiB/s (396kB/s-433kB/s), io=24.6MiB (25.8MB), run=15049-15874msec rand-rw: (groupid=0, jobs=1): err= 0: pid=182506: Thu Jul 16 15:09:20 2026 read: IOPS=18, BW=295KiB/s (302kB/s)(5920KiB/20094msec) clat (usec): min=5735, max=88252, avg=22170.02, stdev=17215.81 lat (usec): min=5736, max=88254, avg=22171.34, stdev=17215.86 clat percentiles (usec): | 1.00th=[ 6063], 5.00th=[ 6915], 10.00th=[ 7898], 20.00th=[ 9372], | 30.00th=[11338], 40.00th=[13173], 50.00th=[15270], 60.00th=[17957], | 70.00th=[23725], 80.00th=[32375], 90.00th=[52167], 95.00th=[61604], | 99.00th=[72877], 99.50th=[81265], 99.90th=[88605], 99.95th=[88605], | 99.99th=[88605] bw ( KiB/s): min= 96, max= 828, per=24.15%, avg=286.41, stdev=160.82, samples=39 iops : min= 6, max= 51, avg=17.31, stdev=10.12, samples=39 write: IOPS=19, BW=317KiB/s (325kB/s)(6368KiB/20094msec); 0 zone resets clat (msec): min=7, max=130, avg=29.57, stdev=18.91 lat (msec): min=7, max=130, avg=29.57, stdev=18.91 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 45], 90.00th=[ 56], 95.00th=[ 66], | 99.00th=[ 93], 99.50th=[ 110], 99.90th=[ 131], 99.95th=[ 131], | 99.99th=[ 131] bw ( KiB/s): min= 63, max= 704, per=25.09%, avg=313.10, stdev=166.12, samples=39 iops : min= 3, max= 44, avg=18.97, stdev=10.46, samples=39 lat (msec) : 10=12.63%, 20=39.32%, 50=35.03%, 100=12.63%, 250=0.39% cpu : usr=0.09%, sys=7.97%, ctx=1462, 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=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=182508: Thu Jul 16 15:09:20 2026 read: IOPS=17, BW=286KiB/s (292kB/s)(5744KiB/20109msec) clat (usec): min=4994, max=89503, avg=21671.85, stdev=15992.27 lat (usec): min=4995, max=89503, avg=21672.93, stdev=15992.18 clat percentiles (usec): | 1.00th=[ 5800], 5.00th=[ 7242], 10.00th=[ 8160], 20.00th=[ 9896], | 30.00th=[11338], 40.00th=[13304], 50.00th=[15270], 60.00th=[18220], | 70.00th=[22938], 80.00th=[34341], 90.00th=[46924], 95.00th=[55837], | 99.00th=[77071], 99.50th=[80217], 99.90th=[89654], 99.95th=[89654], | 99.99th=[89654] bw ( KiB/s): min= 63, max= 736, per=23.82%, avg=282.56, stdev=167.12, samples=39 iops : min= 3, max= 46, avg=17.08, stdev=10.47, samples=39 write: IOPS=20, BW=325KiB/s (333kB/s)(6544KiB/20109msec); 0 zone resets clat (msec): min=7, max=105, avg=30.08, stdev=18.40 lat (msec): min=7, max=105, avg=30.08, stdev=18.40 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 25], 60.00th=[ 31], | 70.00th=[ 36], 80.00th=[ 44], 90.00th=[ 58], 95.00th=[ 68], | 99.00th=[ 91], 99.50th=[ 92], 99.90th=[ 106], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 127, max= 800, per=25.46%, avg=317.77, stdev=156.05, samples=39 iops : min= 7, max= 50, avg=19.28, stdev= 9.81, samples=39 lat (msec) : 10=11.72%, 20=39.71%, 50=36.85%, 100=11.59%, 250=0.13% cpu : usr=0.12%, sys=7.96%, ctx=1468, 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=182509: Thu Jul 16 15:09:20 2026 read: IOPS=19, BW=310KiB/s (317kB/s)(6256KiB/20187msec) clat (msec): min=4, max=125, avg=21.95, stdev=18.01 lat (msec): min=4, max=125, avg=21.96, stdev=18.01 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 13], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 24], 80.00th=[ 33], 90.00th=[ 46], 95.00th=[ 63], | 99.00th=[ 83], 99.50th=[ 102], 99.90th=[ 126], 99.95th=[ 126], | 99.99th=[ 126] bw ( KiB/s): min= 95, max= 832, per=26.20%, avg=310.78, stdev=176.35, samples=40 iops : min= 5, max= 52, avg=18.85, stdev=11.08, samples=40 write: IOPS=18, BW=299KiB/s (306kB/s)(6032KiB/20187msec); 0 zone resets clat (msec): min=8, max=111, avg=30.60, stdev=19.22 lat (msec): min=8, max=111, avg=30.60, stdev=19.22 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 30], | 70.00th=[ 36], 80.00th=[ 47], 90.00th=[ 58], 95.00th=[ 69], | 99.00th=[ 99], 99.50th=[ 109], 99.90th=[ 112], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 126, max= 704, per=23.87%, avg=297.88, stdev=153.77, samples=40 iops : min= 7, max= 44, avg=18.05, stdev= 9.66, samples=40 lat (msec) : 10=13.67%, 20=38.67%, 50=35.42%, 100=11.59%, 250=0.65% cpu : usr=0.11%, sys=7.93%, ctx=1489, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182510: Thu Jul 16 15:09:20 2026 read: IOPS=18, BW=299KiB/s (307kB/s)(6032KiB/20150msec) clat (msec): min=4, max=100, avg=21.84, stdev=16.60 lat (msec): min=4, max=100, avg=21.84, stdev=16.60 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 11], | 30.00th=[ 12], 40.00th=[ 15], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 23], 80.00th=[ 32], 90.00th=[ 47], 95.00th=[ 58], | 99.00th=[ 82], 99.50th=[ 93], 99.90th=[ 101], 99.95th=[ 101], | 99.99th=[ 101] bw ( KiB/s): min= 127, max= 672, per=24.56%, avg=291.33, stdev=146.20, samples=39 iops : min= 7, max= 42, avg=17.62, stdev= 9.23, samples=39 write: IOPS=19, BW=310KiB/s (318kB/s)(6256KiB/20150msec); 0 zone resets clat (msec): min=8, max=130, avg=30.34, stdev=18.68 lat (msec): min=8, max=130, avg=30.35, stdev=18.68 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 29], | 70.00th=[ 36], 80.00th=[ 46], 90.00th=[ 57], 95.00th=[ 68], | 99.00th=[ 91], 99.50th=[ 100], 99.90th=[ 131], 99.95th=[ 131], | 99.99th=[ 131] bw ( KiB/s): min= 127, max= 796, per=24.37%, avg=304.08, stdev=150.29, samples=39 iops : min= 7, max= 49, avg=18.41, stdev= 9.45, samples=39 lat (msec) : 10=9.64%, 20=41.41%, 50=37.11%, 100=11.59%, 250=0.26% cpu : usr=0.07%, sys=8.01%, ctx=1447, 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=1187KiB/s (1215kB/s), 286KiB/s-310KiB/s (292kB/s-317kB/s), io=23.4MiB (24.5MB), run=20094-20187msec WRITE: bw=1248KiB/s (1278kB/s), 299KiB/s-325KiB/s (306kB/s-333kB/s), io=24.6MiB (25.8MB), run=20094-20187msec 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=182521: Thu Jul 16 15:09:31 2026 read: IOPS=2, BW=2195KiB/s (2248kB/s)(7168KiB/3265msec) clat (msec): min=68, max=581, avg=214.68, stdev=194.89 lat (msec): min=68, max=581, avg=214.69, stdev=194.89 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 69], 10.00th=[ 69], 20.00th=[ 91], | 30.00th=[ 97], 40.00th=[ 97], 50.00th=[ 105], 60.00th=[ 176], | 70.00th=[ 176], 80.00th=[ 388], 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= 2027, max= 5485, per=77.07%, avg=2898.75, stdev=1724.19, samples=4 iops : min= 1, max= 5, avg= 2.25, stdev= 1.89, samples=4 write: IOPS=1, BW=1568KiB/s (1606kB/s)(5120KiB/3265msec); 0 zone resets clat (msec): min=140, max=544, avg=347.19, stdev=184.18 lat (msec): min=141, max=544, avg=347.30, stdev=184.17 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 142], 10.00th=[ 142], 20.00th=[ 142], | 30.00th=[ 205], 40.00th=[ 205], 50.00th=[ 317], 60.00th=[ 317], | 70.00th=[ 527], 80.00th=[ 527], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 1996, max= 3893, per=50.17%, avg=2641.33, stdev=1084.15, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=25.00%, 250=33.33%, 500=16.67%, 750=25.00% cpu : usr=0.00%, sys=15.62%, ctx=122, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182522: Thu Jul 16 15:09:31 2026 read: IOPS=0, BW=376KiB/s (385kB/s)(2048KiB/5445msec) clat (msec): min=111, max=196, avg=153.97, stdev=60.11 lat (msec): min=111, max=196, avg=153.97, stdev=60.11 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 112], 10.00th=[ 112], 20.00th=[ 112], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 112], 60.00th=[ 197], | 70.00th=[ 197], 80.00th=[ 197], 90.00th=[ 197], 95.00th=[ 197], | 99.00th=[ 197], 99.50th=[ 197], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 1825, max= 1946, per=50.13%, avg=1885.50, stdev=85.56, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1881KiB/s (1926kB/s)(10.0MiB/5445msec); 0 zone resets clat (msec): min=100, max=2297, avg=511.17, stdev=688.91 lat (msec): min=100, max=2297, avg=511.28, stdev=688.94 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 101], 10.00th=[ 101], 20.00th=[ 118], | 30.00th=[ 126], 40.00th=[ 127], 50.00th=[ 188], 60.00th=[ 247], | 70.00th=[ 435], 80.00th=[ 443], 90.00th=[ 1036], 95.00th=[ 2299], | 99.00th=[ 2299], 99.50th=[ 2299], 99.90th=[ 2299], 99.95th=[ 2299], | 99.99th=[ 2299] bw ( KiB/s): min= 1996, max= 4055, per=52.30%, avg=2753.40, stdev=1013.64, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 1.10, samples=5 lat (msec) : 250=66.67%, 500=16.67%, 2000=8.33%, >=2000=8.33% cpu : usr=0.00%, sys=11.79%, ctx=218, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182523: Thu Jul 16 15:09:31 2026 read: IOPS=1, BW=1199KiB/s (1228kB/s)(6144KiB/5124msec) clat (msec): min=78, max=1635, avg=625.15, stdev=649.39 lat (msec): min=78, max=1635, avg=625.16, stdev=649.39 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 79], 10.00th=[ 79], 20.00th=[ 109], | 30.00th=[ 109], 40.00th=[ 203], 50.00th=[ 203], 60.00th=[ 527], | 70.00th=[ 1200], 80.00th=[ 1200], 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= 1796, max= 4096, per=66.01%, avg=2482.75, stdev=1080.82, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1199KiB/s (1228kB/s)(6144KiB/5124msec); 0 zone resets clat (msec): min=62, max=615, avg=225.86, stdev=236.58 lat (msec): min=62, max=615, avg=225.97, stdev=236.62 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 63], 10.00th=[ 63], 20.00th=[ 75], | 30.00th=[ 75], 40.00th=[ 87], 50.00th=[ 87], 60.00th=[ 90], | 70.00th=[ 426], 80.00th=[ 426], 90.00th=[ 617], 95.00th=[ 617], | 99.00th=[ 617], 99.50th=[ 617], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 2048, max= 5389, per=60.05%, avg=3161.67, stdev=1928.93, samples=3 iops : min= 2, max= 5, avg= 3.00, stdev= 1.73, samples=3 lat (msec) : 100=41.67%, 250=16.67%, 500=8.33%, 750=16.67%, 2000=16.67% cpu : usr=0.04%, sys=7.01%, 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=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=182524: Thu Jul 16 15:09:31 2026 read: IOPS=1, BW=1110KiB/s (1137kB/s)(5120KiB/4612msec) clat (msec): min=50, max=405, avg=253.57, stdev=152.51 lat (msec): min=50, max=405, avg=253.57, stdev=152.51 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 52], 10.00th=[ 52], 20.00th=[ 52], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 279], 60.00th=[ 279], | 70.00th=[ 384], 80.00th=[ 384], 90.00th=[ 405], 95.00th=[ 405], | 99.00th=[ 405], 99.50th=[ 405], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 2027, max= 3893, per=70.50%, avg=2651.67, stdev=1075.03, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1554KiB/s (1592kB/s)(7168KiB/4612msec); 0 zone resets clat (msec): min=123, max=1373, avg=472.58, stdev=432.72 lat (msec): min=123, max=1374, avg=472.91, stdev=432.60 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 124], 10.00th=[ 124], 20.00th=[ 190], | 30.00th=[ 247], 40.00th=[ 247], 50.00th=[ 313], 60.00th=[ 422], | 70.00th=[ 422], 80.00th=[ 642], 90.00th=[ 1368], 95.00th=[ 1368], | 99.00th=[ 1368], 99.50th=[ 1368], 99.90th=[ 1368], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 1996, max= 3644, per=44.71%, avg=2354.20, stdev=721.34, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 0.84, samples=5 lat (msec) : 100=8.33%, 250=33.33%, 500=41.67%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=9.50%, ctx=278, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3761KiB/s (3852kB/s), 376KiB/s-2195KiB/s (385kB/s-2248kB/s), io=20.0MiB (20.0MB), run=3265-5445msec WRITE: bw=5266KiB/s (5392kB/s), 1199KiB/s-1881KiB/s (1228kB/s-1926kB/s), io=28.0MiB (29.4MB), run=3265-5445msec rand-rw: (groupid=0, jobs=1): err= 0: pid=182526: Thu Jul 16 15:09:31 2026 read: IOPS=1, BW=1446KiB/s (1481kB/s)(7168KiB/4957msec) clat (usec): min=635, max=1774.1k, avg=364544.06, stdev=628899.88 lat (usec): min=636, max=1774.1k, avg=364548.38, stdev=628899.13 clat percentiles (usec): | 1.00th=[ 635], 5.00th=[ 635], 10.00th=[ 635], | 20.00th=[ 783], 30.00th=[ 132645], 40.00th=[ 132645], | 50.00th=[ 202376], 60.00th=[ 217056], 70.00th=[ 217056], | 80.00th=[ 223347], 90.00th=[1769997], 95.00th=[1769997], | 99.00th=[1769997], 99.50th=[1769997], 99.90th=[1769997], | 99.95th=[1769997], 99.99th=[1769997] bw ( KiB/s): min= 4087, max= 4363, per=100.00%, avg=4225.00, stdev=195.16, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1033KiB/s (1058kB/s)(5120KiB/4957msec); 0 zone resets clat (msec): min=100, max=1726, avg=480.62, stdev=699.52 lat (msec): min=100, max=1726, avg=480.71, stdev=699.50 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 101], 10.00th=[ 101], 20.00th=[ 101], | 30.00th=[ 115], 40.00th=[ 115], 50.00th=[ 199], 60.00th=[ 199], | 70.00th=[ 264], 80.00th=[ 264], 90.00th=[ 1720], 95.00th=[ 1720], | 99.00th=[ 1720], 99.50th=[ 1720], 99.90th=[ 1720], 99.95th=[ 1720], | 99.99th=[ 1720] bw ( KiB/s): min= 2048, max= 4096, per=55.68%, avg=3072.00, stdev=1448.15, samples=2 iops : min= 2, max= 4, avg= 3.00, stdev= 1.41, samples=2 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 250=58.33%, 500=8.33%, 2000=16.67% cpu : usr=0.04%, sys=18.83%, ctx=671, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182527: Thu Jul 16 15:09:31 2026 read: IOPS=0, BW=394KiB/s (404kB/s)(2048KiB/5197msec) clat (usec): min=655, max=187222, avg=93939.23, stdev=131922.99 lat (usec): min=656, max=187224, avg=93940.70, stdev=131923.24 clat percentiles (usec): | 1.00th=[ 660], 5.00th=[ 660], 10.00th=[ 660], 20.00th=[ 660], | 30.00th=[ 660], 40.00th=[ 660], 50.00th=[ 660], 60.00th=[187696], | 70.00th=[187696], 80.00th=[187696], 90.00th=[187696], 95.00th=[187696], | 99.00th=[187696], 99.50th=[187696], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 1490, max= 2048, per=44.90%, avg=1769.00, stdev=394.57, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1970KiB/s (2018kB/s)(10.0MiB/5197msec); 0 zone resets clat (msec): min=103, max=1788, avg=500.62, stdev=609.99 lat (msec): min=103, max=1788, avg=500.70, stdev=610.00 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 104], 10.00th=[ 104], 20.00th=[ 105], | 30.00th=[ 118], 40.00th=[ 184], 50.00th=[ 209], 60.00th=[ 215], | 70.00th=[ 359], 80.00th=[ 460], 90.00th=[ 1469], 95.00th=[ 1787], | 99.00th=[ 1787], 99.50th=[ 1787], 99.90th=[ 1787], 99.95th=[ 1787], | 99.99th=[ 1787] bw ( KiB/s): min= 1490, max= 4096, per=53.15%, avg=2932.50, stdev=1362.67, samples=4 iops : min= 1, max= 4, avg= 2.75, stdev= 1.50, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=58.33%, 500=16.67%, 2000=16.67% cpu : usr=0.00%, sys=23.44%, ctx=301, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182528: Thu Jul 16 15:09:31 2026 read: IOPS=1, BW=1379KiB/s (1412kB/s)(6144KiB/4457msec) clat (msec): min=82, max=322, avg=206.88, stdev=99.75 lat (msec): min=82, max=322, avg=206.88, stdev=99.75 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 83], 10.00th=[ 83], 20.00th=[ 122], | 30.00th=[ 122], 40.00th=[ 157], 50.00th=[ 157], 60.00th=[ 268], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 321], 95.00th=[ 321], | 99.00th=[ 321], 99.50th=[ 321], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 2048, max= 4096, per=86.22%, avg=3397.00, stdev=1168.53, samples=3 iops : min= 2, max= 4, avg= 3.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1379KiB/s (1412kB/s)(6144KiB/4457msec); 0 zone resets clat (msec): min=150, max=1887, avg=535.69, stdev=665.52 lat (msec): min=151, max=1887, avg=535.78, stdev=665.51 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 255], | 30.00th=[ 255], 40.00th=[ 264], 50.00th=[ 264], 60.00th=[ 313], | 70.00th=[ 347], 80.00th=[ 347], 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= 2023, max= 4388, per=51.05%, avg=2816.67, stdev=1360.84, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 lat (msec) : 100=8.33%, 250=25.00%, 500=58.33%, 2000=8.33% cpu : usr=0.02%, sys=28.88%, ctx=675, 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=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=182529: Thu Jul 16 15:09:31 2026 read: IOPS=1, BW=1819KiB/s (1863kB/s)(5120KiB/2814msec) clat (usec): min=510, max=255508, avg=132778.48, stdev=126381.69 lat (usec): min=512, max=255508, avg=132780.06, stdev=126381.29 clat percentiles (usec): | 1.00th=[ 510], 5.00th=[ 510], 10.00th=[ 510], 20.00th=[ 510], | 30.00th=[ 930], 40.00th=[ 930], 50.00th=[158335], 60.00th=[158335], | 70.00th=[248513], 80.00th=[248513], 90.00th=[254804], 95.00th=[254804], | 99.00th=[254804], 99.50th=[254804], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 2039, max= 6071, per=100.00%, avg=4055.00, stdev=2851.05, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2547KiB/s (2608kB/s)(7168KiB/2814msec); 0 zone resets clat (msec): min=135, max=500, avg=306.80, stdev=140.33 lat (msec): min=135, max=500, avg=306.88, stdev=140.34 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 192], | 30.00th=[ 226], 40.00th=[ 226], 50.00th=[ 296], 60.00th=[ 321], | 70.00th=[ 321], 80.00th=[ 481], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 2039, max= 4096, per=50.43%, avg=2782.25, stdev=973.70, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.26, samples=4 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 250=41.67%, 500=33.33%, 750=8.33% cpu : usr=0.04%, sys=48.38%, ctx=451, 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=3941KiB/s (4035kB/s), 394KiB/s-1819KiB/s (404kB/s-1863kB/s), io=20.0MiB (20.0MB), run=2814-5197msec WRITE: bw=5517KiB/s (5649kB/s), 1033KiB/s-2547KiB/s (1058kB/s-2608kB/s), io=28.0MiB (29.4MB), run=2814-5197msec 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=182540: Thu Jul 16 15:09:38 2026 read: IOPS=1, BW=8052KiB/s (8246kB/s)(12.0MiB/1526msec) clat (msec): min=479, max=499, avg=488.17, stdev=10.27 lat (msec): min=479, max=499, avg=488.17, stdev=10.27 clat percentiles (msec): | 1.00th=[ 481], 5.00th=[ 481], 10.00th=[ 481], 20.00th=[ 481], | 30.00th=[ 481], 40.00th=[ 485], 50.00th=[ 485], 60.00th=[ 485], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 5587, max= 8159, per=84.40%, avg=6873.00, stdev=1818.68, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=100.00% cpu : usr=0.00%, sys=31.61%, ctx=1142, 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=182541: Thu Jul 16 15:09:38 2026 read: IOPS=0, BW=2036KiB/s (2085kB/s)(4096KiB/2012msec) clat (nsec): min=459044k, max=459044k, avg=459044215.00, stdev= 0.00 lat (nsec): min=459047k, max=459047k, avg=459046537.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 460], 5.00th=[ 460], 10.00th=[ 460], 20.00th=[ 460], | 30.00th=[ 460], 40.00th=[ 460], 50.00th=[ 460], 60.00th=[ 460], | 70.00th=[ 460], 80.00th=[ 460], 90.00th=[ 460], 95.00th=[ 460], | 99.00th=[ 460], 99.50th=[ 460], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=4072KiB/s (4169kB/s)(8192KiB/2012msec); 0 zone resets clat (msec): min=525, max=877, avg=701.40, stdev=249.35 lat (msec): min=525, max=878, avg=701.80, stdev=249.38 clat percentiles (msec): | 1.00th=[ 527], 5.00th=[ 527], 10.00th=[ 527], 20.00th=[ 527], | 30.00th=[ 527], 40.00th=[ 527], 50.00th=[ 527], 60.00th=[ 877], | 70.00th=[ 877], 80.00th=[ 877], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 8143, max= 8143, per=50.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=12.18%, ctx=349, 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=182542: Thu Jul 16 15:09:38 2026 write: IOPS=1, BW=6156KiB/s (6304kB/s)(12.0MiB/1996msec); 0 zone resets clat (msec): min=216, max=1186, avg=636.59, stdev=497.80 lat (msec): min=217, max=1187, avg=637.05, stdev=497.90 clat percentiles (msec): | 1.00th=[ 218], 5.00th=[ 218], 10.00th=[ 218], 20.00th=[ 218], | 30.00th=[ 218], 40.00th=[ 506], 50.00th=[ 506], 60.00th=[ 506], | 70.00th=[ 1183], 80.00th=[ 1183], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 8143, max= 8143, per=50.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.05%, sys=9.27%, ctx=68, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182543: Thu Jul 16 15:09:38 2026 write: IOPS=1, BW=6896KiB/s (7061kB/s)(12.0MiB/1782msec); 0 zone resets clat (msec): min=399, max=810, avg=555.81, stdev=222.80 lat (msec): min=399, max=811, avg=556.12, stdev=222.87 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 401], 10.00th=[ 401], 20.00th=[ 401], | 30.00th=[ 401], 40.00th=[ 456], 50.00th=[ 456], 60.00th=[ 456], | 70.00th=[ 810], 80.00th=[ 810], 90.00th=[ 810], 95.00th=[ 810], | 99.00th=[ 810], 99.50th=[ 810], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 7699, max= 8192, per=48.79%, avg=7945.50, stdev=348.60, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.06%, sys=10.89%, ctx=67, 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=8143KiB/s (8339kB/s), 2036KiB/s-8052KiB/s (2085kB/s-8246kB/s), io=16.0MiB (16.8MB), run=1526-2012msec WRITE: bw=15.9MiB/s (16.7MB/s), 4072KiB/s-6896KiB/s (4169kB/s-7061kB/s), io=32.0MiB (33.6MB), run=1782-2012msec rand-rw: (groupid=0, jobs=1): err= 0: pid=182535: Thu Jul 16 15:09:39 2026 read: IOPS=1, BW=6360KiB/s (6513kB/s)(12.0MiB/1932msec) clat (msec): min=520, max=785, avg=615.96, stdev=146.81 lat (msec): min=520, max=785, avg=615.96, stdev=146.81 clat percentiles (msec): | 1.00th=[ 523], 5.00th=[ 523], 10.00th=[ 523], 20.00th=[ 523], | 30.00th=[ 523], 40.00th=[ 542], 50.00th=[ 542], 60.00th=[ 542], | 70.00th=[ 785], 80.00th=[ 785], 90.00th=[ 785], 95.00th=[ 785], | 99.00th=[ 785], 99.50th=[ 785], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 8159, max= 8192, per=96.41%, avg=8175.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=66.67%, 1000=33.33% cpu : usr=0.00%, sys=9.11%, ctx=67, 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=182537: Thu Jul 16 15:09:39 2026 read: IOPS=0, BW=2157KiB/s (2209kB/s)(4096KiB/1899msec) clat (nsec): min=321921k, max=321921k, avg=321920729.00, stdev= 0.00 lat (nsec): min=321922k, max=321922k, avg=321921607.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 321], 40.00th=[ 321], 50.00th=[ 321], 60.00th=[ 321], | 70.00th=[ 321], 80.00th=[ 321], 90.00th=[ 321], 95.00th=[ 321], | 99.00th=[ 321], 99.50th=[ 321], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 6350, max= 6350, per=74.88%, avg=6350.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=4314KiB/s (4417kB/s)(8192KiB/1899msec); 0 zone resets clat (msec): min=725, max=758, avg=742.13, stdev=23.02 lat (msec): min=726, max=758, avg=742.57, stdev=23.07 clat percentiles (msec): | 1.00th=[ 726], 5.00th=[ 726], 10.00th=[ 726], 20.00th=[ 726], | 30.00th=[ 726], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 760], | 70.00th=[ 760], 80.00th=[ 760], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 8192, max= 8192, per=59.85%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=10.80%, ctx=211, 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=182538: Thu Jul 16 15:09:39 2026 write: IOPS=1, BW=5133KiB/s (5256kB/s)(12.0MiB/2394msec); 0 zone resets clat (msec): min=84, max=1783, avg=689.60, stdev=949.36 lat (msec): min=85, max=1784, avg=690.01, stdev=949.42 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 85], 10.00th=[ 85], 20.00th=[ 85], | 30.00th=[ 85], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 201], | 70.00th=[ 1787], 80.00th=[ 1787], 90.00th=[ 1787], 95.00th=[ 1787], | 99.00th=[ 1787], 99.50th=[ 1787], 99.90th=[ 1787], 99.95th=[ 1787], | 99.99th=[ 1787] bw ( KiB/s): min= 8143, max= 8143, per=59.49%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 250=33.33%, 2000=33.33% cpu : usr=0.00%, sys=11.45%, ctx=83, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=182539: Thu Jul 16 15:09:39 2026 write: IOPS=1, BW=6578KiB/s (6736kB/s)(12.0MiB/1868msec); 0 zone resets clat (msec): min=281, max=1176, avg=599.28, stdev=501.01 lat (msec): min=282, max=1177, avg=599.66, stdev=501.05 clat percentiles (msec): | 1.00th=[ 284], 5.00th=[ 284], 10.00th=[ 284], 20.00th=[ 284], | 30.00th=[ 284], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 338], | 70.00th=[ 1183], 80.00th=[ 1183], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 6585, max= 8192, per=53.98%, avg=7388.50, stdev=1136.32, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=13.02%, ctx=87, 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=8480KiB/s (8684kB/s), 2157KiB/s-6360KiB/s (2209kB/s-6513kB/s), io=16.0MiB (16.8MB), run=1899-1932msec WRITE: bw=13.4MiB/s (14.0MB/s), 4314KiB/s-6578KiB/s (4417kB/s-6736kB/s), io=32.0MiB (33.6MB), run=1868-2394msec