== sanity test 398b: DIO and buffer IO race ============== 07:12:17 (1789125137) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.71833 s, 7.5 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145607: Fri Sep 11 07:14:50 2026 read: IOPS=11, BW=44.5KiB/s (45.5kB/s)(5992KiB/134712msec) clat (usec): min=35, max=750549, avg=42337.05, stdev=37879.14 lat (usec): min=35, max=750551, avg=42343.29, stdev=37880.06 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 62], 10.00th=[ 420], 20.00th=[ 18744], | 30.00th=[ 24773], 40.00th=[ 29230], 50.00th=[ 35390], 60.00th=[ 43254], | 70.00th=[ 51119], 80.00th=[ 63177], 90.00th=[ 82314], 95.00th=[ 96994], | 99.00th=[149947], 99.50th=[170918], 99.90th=[350225], 99.95th=[750781], | 99.99th=[750781] bw ( KiB/s): min= 7, max= 134, per=24.77%, avg=44.09, stdev=20.38, samples=265 iops : min= 1, max= 33, avg=10.39, stdev= 5.15, samples=265 write: IOPS=11, BW=46.7KiB/s (47.9kB/s)(6296KiB/134712msec); 0 zone resets clat (usec): min=1028, max=431149, avg=45016.93, stdev=48318.75 lat (usec): min=1029, max=431150, avg=45019.96, stdev=48318.01 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1336], 10.00th=[ 1926], 20.00th=[ 4817], | 30.00th=[ 10552], 40.00th=[ 21627], 50.00th=[ 33162], 60.00th=[ 44827], | 70.00th=[ 56361], 80.00th=[ 76022], 90.00th=[103285], 95.00th=[132645], | 99.00th=[225444], 99.50th=[278922], 99.90th=[387974], 99.95th=[429917], | 99.99th=[429917] bw ( KiB/s): min= 7, max= 190, per=25.00%, avg=46.50, stdev=21.32, samples=264 iops : min= 1, max= 47, avg=10.99, stdev= 5.37, samples=264 lat (usec) : 50=0.33%, 100=4.10%, 250=0.39%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.03% lat (msec) : 2=5.44%, 4=3.65%, 10=6.48%, 20=9.47%, 50=36.88% lat (msec) : 100=25.16%, 250=7.49%, 500=0.46%, 1000=0.03% cpu : usr=0.07%, sys=4.70%, ctx=6545, 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=145608: Fri Sep 11 07:14:50 2026 read: IOPS=11, BW=44.5KiB/s (45.5kB/s)(5940KiB/133562msec) clat (usec): min=31, max=755606, avg=43650.10, stdev=36786.38 lat (usec): min=32, max=755609, avg=43660.95, stdev=36782.32 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 63], 10.00th=[ 202], 20.00th=[ 20055], | 30.00th=[ 26346], 40.00th=[ 31589], 50.00th=[ 37487], 60.00th=[ 44827], | 70.00th=[ 53216], 80.00th=[ 63701], 90.00th=[ 84411], 95.00th=[101188], | 99.00th=[143655], 99.50th=[185598], 99.90th=[283116], 99.95th=[759170], | 99.99th=[759170] bw ( KiB/s): min= 7, max= 119, per=24.92%, avg=44.37, stdev=18.67, samples=260 iops : min= 1, max= 29, avg=10.45, stdev= 4.71, samples=260 write: IOPS=11, BW=47.5KiB/s (48.7kB/s)(6348KiB/133562msec); 0 zone resets clat (usec): min=1039, max=318634, avg=43049.99, stdev=45478.32 lat (usec): min=1039, max=318636, avg=43053.27, stdev=45482.46 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1287], 10.00th=[ 1876], 20.00th=[ 4555], | 30.00th=[ 9110], 40.00th=[ 18482], 50.00th=[ 30278], 60.00th=[ 42206], | 70.00th=[ 55313], 80.00th=[ 73925], 90.00th=[104334], 95.00th=[133694], | 99.00th=[200279], 99.50th=[225444], 99.90th=[299893], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 7, max= 127, per=25.37%, avg=47.18, stdev=22.78, samples=261 iops : min= 1, max= 31, avg=11.17, stdev= 5.75, samples=261 lat (usec) : 50=0.59%, 100=3.87%, 250=0.39%, 500=0.16%, 750=0.07% lat (msec) : 2=5.53%, 4=4.23%, 10=7.16%, 20=8.95%, 50=35.71% lat (msec) : 100=24.93%, 250=8.14%, 500=0.23%, 1000=0.03% cpu : usr=0.07%, sys=4.62%, ctx=6381, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145609: Fri Sep 11 07:14:50 2026 read: IOPS=11, BW=44.9KiB/s (46.0kB/s)(6028KiB/134154msec) clat (usec): min=38, max=836629, avg=43455.30, stdev=40404.90 lat (usec): min=38, max=836630, avg=43461.25, stdev=40401.14 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 62], 10.00th=[ 750], 20.00th=[ 19530], | 30.00th=[ 25297], 40.00th=[ 30802], 50.00th=[ 35914], 60.00th=[ 42206], | 70.00th=[ 51643], 80.00th=[ 63701], 90.00th=[ 82314], 95.00th=[102237], | 99.00th=[162530], 99.50th=[183501], 99.90th=[497026], 99.95th=[834667], | 99.99th=[834667] bw ( KiB/s): min= 7, max= 127, per=24.97%, avg=44.45, stdev=21.52, samples=262 iops : min= 1, max= 31, avg=10.47, stdev= 5.44, samples=262 write: IOPS=11, BW=46.7KiB/s (47.8kB/s)(6260KiB/134154msec); 0 zone resets clat (usec): min=1069, max=346592, avg=43643.27, stdev=46429.22 lat (usec): min=1070, max=346593, avg=43658.98, stdev=46430.05 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1319], 10.00th=[ 1795], 20.00th=[ 3916], | 30.00th=[ 7767], 40.00th=[ 18744], 50.00th=[ 31327], 60.00th=[ 42730], | 70.00th=[ 57410], 80.00th=[ 74974], 90.00th=[107480], 95.00th=[130548], | 99.00th=[204473], 99.50th=[229639], 99.90th=[346031], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 7, max= 135, per=24.59%, avg=45.75, stdev=21.34, samples=264 iops : min= 1, max= 33, avg=10.80, stdev= 5.38, samples=264 lat (usec) : 50=0.26%, 100=4.46%, 250=0.10%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=6.12%, 4=4.17%, 10=6.97%, 20=8.72%, 50=35.45% lat (msec) : 100=24.93%, 250=8.30%, 500=0.33%, 1000=0.03% cpu : usr=0.07%, sys=4.71%, ctx=6423, 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=145610: Fri Sep 11 07:14:50 2026 read: IOPS=11, BW=45.0KiB/s (46.1kB/s)(6052KiB/134421msec) clat (usec): min=33, max=420170, avg=42515.32, stdev=36476.25 lat (usec): min=34, max=420171, avg=42517.10, stdev=36476.18 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 104], 20.00th=[ 18744], | 30.00th=[ 24511], 40.00th=[ 29230], 50.00th=[ 34341], 60.00th=[ 41157], | 70.00th=[ 51643], 80.00th=[ 63701], 90.00th=[ 83362], 95.00th=[102237], | 99.00th=[164627], 99.50th=[246416], 99.90th=[367002], 99.95th=[421528], | 99.99th=[421528] bw ( KiB/s): min= 7, max= 111, per=25.53%, avg=45.44, stdev=21.16, samples=259 iops : min= 1, max= 27, avg=10.73, stdev= 5.34, samples=259 write: IOPS=11, BW=46.4KiB/s (47.5kB/s)(6236KiB/134421msec); 0 zone resets clat (usec): min=978, max=957509, avg=44751.73, stdev=50760.25 lat (usec): min=979, max=957512, avg=44757.60, stdev=50761.21 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 1270], 10.00th=[ 1762], 20.00th=[ 4555], | 30.00th=[ 9765], 40.00th=[ 21890], 50.00th=[ 32113], 60.00th=[ 43779], | 70.00th=[ 57410], 80.00th=[ 76022], 90.00th=[103285], 95.00th=[137364], | 99.00th=[196084], 99.50th=[217056], 99.90th=[325059], 99.95th=[960496], | 99.99th=[960496] bw ( KiB/s): min= 7, max= 102, per=24.76%, avg=46.05, stdev=18.71, samples=263 iops : min= 1, max= 25, avg=10.87, stdev= 4.71, samples=263 lat (usec) : 50=0.55%, 100=4.30%, 250=0.36%, 500=0.20%, 750=0.13% lat (usec) : 1000=0.07% lat (msec) : 2=5.53%, 4=4.10%, 10=6.32%, 20=8.59%, 50=36.46% lat (msec) : 100=24.97%, 250=8.11%, 500=0.29%, 1000=0.03% cpu : usr=0.09%, sys=4.72%, ctx=6384, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=178KiB/s (183kB/s), 44.5KiB/s-45.0KiB/s (45.5kB/s-46.1kB/s), io=23.4MiB (24.6MB), run=133562-134712msec WRITE: bw=187KiB/s (191kB/s), 46.4KiB/s-47.5KiB/s (47.5kB/s-48.7kB/s), io=24.6MiB (25.7MB), run=133562-134712msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145602: Fri Sep 11 07:17:07 2026 read: IOPS=5, BW=22.1KiB/s (22.7kB/s)(5992KiB/270829msec) clat (msec): min=5, max=849, avg=34.84, stdev=42.81 lat (msec): min=5, max=849, avg=34.84, stdev=42.81 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 48], 90.00th=[ 77], 95.00th=[ 111], | 99.00th=[ 184], 99.50th=[ 236], 99.90th=[ 439], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 7, max= 103, per=29.12%, avg=25.63, stdev=17.34, samples=452 iops : min= 1, max= 25, avg= 5.79, stdev= 4.36, samples=452 write: IOPS=5, BW=23.2KiB/s (23.8kB/s)(6296KiB/270829msec); 0 zone resets clat (msec): min=35, max=598, avg=138.67, stdev=74.17 lat (msec): min=35, max=598, avg=138.68, stdev=74.17 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 69], 20.00th=[ 82], | 30.00th=[ 93], 40.00th=[ 106], 50.00th=[ 117], 60.00th=[ 134], | 70.00th=[ 155], 80.00th=[ 188], 90.00th=[ 239], 95.00th=[ 292], | 99.00th=[ 393], 99.50th=[ 439], 99.90th=[ 567], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 7, max= 56, per=25.24%, avg=23.22, stdev=11.27, samples=522 iops : min= 1, max= 14, avg= 5.19, stdev= 2.87, samples=522 lat (msec) : 10=3.81%, 20=19.34%, 50=17.12%, 100=24.22%, 250=31.02% lat (msec) : 500=4.33%, 750=0.13%, 1000=0.03% cpu : usr=0.04%, sys=1.08%, ctx=5139, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145604: Fri Sep 11 07:17:07 2026 read: IOPS=5, BW=21.9KiB/s (22.4kB/s)(5940KiB/271435msec) clat (msec): min=5, max=821, avg=34.46, stdev=42.72 lat (msec): min=5, max=821, avg=34.46, stdev=42.72 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 44], 90.00th=[ 79], 95.00th=[ 109], | 99.00th=[ 186], 99.50th=[ 222], 99.90th=[ 430], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 7, max= 87, per=28.80%, avg=25.34, stdev=17.37, samples=453 iops : min= 1, max= 21, avg= 5.72, stdev= 4.36, samples=453 write: IOPS=5, BW=23.4KiB/s (23.9kB/s)(6348KiB/271435msec); 0 zone resets clat (msec): min=34, max=607, avg=138.58, stdev=75.44 lat (msec): min=34, max=607, avg=138.58, stdev=75.44 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 60], 10.00th=[ 69], 20.00th=[ 82], | 30.00th=[ 92], 40.00th=[ 104], 50.00th=[ 117], 60.00th=[ 133], | 70.00th=[ 157], 80.00th=[ 188], 90.00th=[ 241], 95.00th=[ 288], | 99.00th=[ 405], 99.50th=[ 464], 99.90th=[ 584], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 7, max= 55, per=25.23%, avg=23.21, stdev=11.43, samples=526 iops : min= 1, max= 13, avg= 5.19, stdev= 2.91, samples=526 lat (msec) : 10=4.52%, 20=19.01%, 50=17.02%, 100=23.96%, 250=30.73% lat (msec) : 500=4.52%, 750=0.20%, 1000=0.03% cpu : usr=0.04%, sys=1.06%, ctx=5319, 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=145605: Fri Sep 11 07:17:07 2026 read: IOPS=5, BW=22.3KiB/s (22.8kB/s)(6028KiB/270564msec) clat (msec): min=5, max=442, avg=35.90, stdev=39.93 lat (msec): min=5, max=442, avg=35.91, stdev=39.93 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 35], 80.00th=[ 51], 90.00th=[ 81], 95.00th=[ 112], | 99.00th=[ 190], 99.50th=[ 215], 99.90th=[ 418], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 7, max= 126, per=28.19%, avg=24.81, stdev=17.60, samples=470 iops : min= 1, max= 31, avg= 5.59, stdev= 4.44, samples=470 write: IOPS=5, BW=23.1KiB/s (23.7kB/s)(6260KiB/270564msec); 0 zone resets clat (msec): min=36, max=912, avg=138.09, stdev=74.94 lat (msec): min=36, max=912, avg=138.09, stdev=74.94 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 62], 10.00th=[ 69], 20.00th=[ 81], | 30.00th=[ 93], 40.00th=[ 104], 50.00th=[ 117], 60.00th=[ 132], | 70.00th=[ 155], 80.00th=[ 186], 90.00th=[ 239], 95.00th=[ 284], | 99.00th=[ 376], 99.50th=[ 426], 99.90th=[ 542], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 7, max= 56, per=25.04%, avg=23.04, stdev=11.65, samples=524 iops : min= 1, max= 14, avg= 5.15, stdev= 2.96, samples=524 lat (msec) : 10=4.33%, 20=18.36%, 50=17.29%, 100=24.32%, 250=31.22% lat (msec) : 500=4.33%, 750=0.13%, 1000=0.03% cpu : usr=0.04%, sys=1.09%, ctx=5132, 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=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=145606: Fri Sep 11 07:17:07 2026 read: IOPS=5, BW=22.4KiB/s (22.0kB/s)(6052KiB/269676msec) clat (msec): min=5, max=409, avg=34.66, stdev=39.66 lat (msec): min=5, max=409, avg=34.66, stdev=39.66 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 32], 80.00th=[ 47], 90.00th=[ 82], 95.00th=[ 110], | 99.00th=[ 203], 99.50th=[ 245], 99.90th=[ 368], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 7, max= 103, per=29.08%, avg=25.59, stdev=18.17, samples=458 iops : min= 1, max= 25, avg= 5.79, stdev= 4.57, samples=458 write: IOPS=5, BW=23.1KiB/s (23.7kB/s)(6236KiB/269676msec); 0 zone resets clat (msec): min=36, max=923, avg=139.13, stdev=75.83 lat (msec): min=36, max=923, avg=139.14, stdev=75.83 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 82], | 30.00th=[ 94], 40.00th=[ 104], 50.00th=[ 117], 60.00th=[ 133], | 70.00th=[ 155], 80.00th=[ 190], 90.00th=[ 245], 95.00th=[ 288], | 99.00th=[ 380], 99.50th=[ 439], 99.90th=[ 550], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 7, max= 56, per=24.93%, avg=22.94, stdev=11.47, samples=524 iops : min= 1, max= 14, avg= 5.12, stdev= 2.92, samples=524 lat (msec) : 10=4.88%, 20=18.52%, 50=17.25%, 100=24.45%, 250=30.11% lat (msec) : 500=4.69%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.09%, ctx=5255, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=88.5KiB/s (90.6kB/s), 21.9KiB/s-22.4KiB/s (22.4kB/s-22.0kB/s), io=23.4MiB (24.6MB), run=269676-271435msec WRITE: bw=92.6KiB/s (94.8kB/s), 23.1KiB/s-23.4KiB/s (23.7kB/s-23.9kB/s), io=24.6MiB (25.7MB), run=269676-271435msec 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=145666: Fri Sep 11 07:17:48 2026 read: IOPS=12, BW=196KiB/s (201kB/s)(5920KiB/30220msec) clat (usec): min=34, max=202527, avg=41485.62, stdev=33507.98 lat (usec): min=34, max=202528, avg=41486.82, stdev=33507.99 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 55], 10.00th=[ 62], 20.00th=[ 206], | 30.00th=[ 23200], 40.00th=[ 31851], 50.00th=[ 38011], 60.00th=[ 45351], | 70.00th=[ 56361], 80.00th=[ 65799], 90.00th=[ 80217], 95.00th=[ 93848], | 99.00th=[164627], 99.50th=[179307], 99.90th=[202376], 99.95th=[202376], | 99.99th=[202376] bw ( KiB/s): min= 63, max= 572, per=24.18%, avg=191.47, stdev=83.38, samples=59 iops : min= 3, max= 35, avg=11.17, stdev= 5.22, samples=59 write: IOPS=13, BW=211KiB/s (216kB/s)(6368KiB/30220msec); 0 zone resets clat (usec): min=1474, max=380914, avg=36448.32, stdev=45029.61 lat (usec): min=1476, max=380915, avg=36451.04, stdev=45030.79 clat percentiles (usec): | 1.00th=[ 1598], 5.00th=[ 1860], 10.00th=[ 2311], 20.00th=[ 4490], | 30.00th=[ 8094], 40.00th=[ 11863], 50.00th=[ 20317], 60.00th=[ 32113], | 70.00th=[ 43254], 80.00th=[ 61080], 90.00th=[ 87557], 95.00th=[119014], | 99.00th=[240124], 99.50th=[261096], 99.90th=[379585], 99.95th=[379585], | 99.99th=[379585] bw ( KiB/s): min= 30, max= 444, per=24.95%, avg=207.80, stdev=90.28, samples=59 iops : min= 1, max= 27, avg=12.19, stdev= 5.66, samples=59 lat (usec) : 50=1.17%, 100=7.42%, 250=1.17%, 1000=0.13% lat (msec) : 2=4.04%, 4=5.86%, 10=9.51%, 20=8.33%, 50=31.25% lat (msec) : 100=25.52%, 250=5.21%, 500=0.39% cpu : usr=0.05%, sys=5.48%, ctx=1480, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145667: Fri Sep 11 07:17:48 2026 read: IOPS=11, BW=190KiB/s (195kB/s)(5744KiB/30190msec) clat (usec): min=41, max=234450, avg=41689.08, stdev=31242.52 lat (usec): min=41, max=234450, avg=41690.31, stdev=31242.46 clat percentiles (usec): | 1.00th=[ 45], 5.00th=[ 63], 10.00th=[ 70], 20.00th=[ 20055], | 30.00th=[ 26346], 40.00th=[ 32637], 50.00th=[ 39060], 60.00th=[ 44303], | 70.00th=[ 52167], 80.00th=[ 61604], 90.00th=[ 78119], 95.00th=[ 96994], | 99.00th=[145753], 99.50th=[158335], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 30, max= 377, per=24.37%, avg=193.00, stdev=80.93, samples=58 iops : min= 1, max= 23, avg=11.26, stdev= 5.06, samples=58 write: IOPS=13, BW=217KiB/s (222kB/s)(6544KiB/30190msec); 0 zone resets clat (usec): min=1492, max=299416, avg=36679.08, stdev=42602.84 lat (usec): min=1493, max=299419, avg=36681.42, stdev=42602.92 clat percentiles (usec): | 1.00th=[ 1745], 5.00th=[ 2180], 10.00th=[ 3163], 20.00th=[ 5080], | 30.00th=[ 7963], 40.00th=[ 12387], 50.00th=[ 21103], 60.00th=[ 30540], | 70.00th=[ 46924], 80.00th=[ 65274], 90.00th=[ 94897], 95.00th=[115868], | 99.00th=[183501], 99.50th=[210764], 99.90th=[299893], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 31, max= 413, per=25.97%, avg=216.32, stdev=94.22, samples=59 iops : min= 1, max= 25, avg=12.73, stdev= 5.91, samples=59 lat (usec) : 50=0.52%, 100=5.99%, 250=0.65%, 500=0.13%, 1000=0.13% lat (msec) : 2=2.21%, 4=6.25%, 10=11.07%, 20=8.20%, 50=35.29% lat (msec) : 100=22.66%, 250=6.64%, 500=0.26% cpu : usr=0.07%, sys=5.41%, ctx=1533, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145668: Fri Sep 11 07:17:48 2026 read: IOPS=13, BW=219KiB/s (225kB/s)(6256KiB/28505msec) clat (usec): min=34, max=236459, avg=37999.63, stdev=33487.95 lat (usec): min=35, max=236460, avg=38001.24, stdev=33487.89 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 55], 10.00th=[ 64], 20.00th=[ 78], | 30.00th=[ 20055], 40.00th=[ 29754], 50.00th=[ 34866], 60.00th=[ 41157], | 70.00th=[ 51119], 80.00th=[ 60556], 90.00th=[ 76022], 95.00th=[ 96994], | 99.00th=[149947], 99.50th=[173016], 99.90th=[235930], 99.95th=[235930], | 99.99th=[235930] bw ( KiB/s): min= 30, max= 479, per=27.85%, avg=220.59, stdev=100.18, samples=56 iops : min= 1, max= 29, avg=13.00, stdev= 6.32, samples=56 write: IOPS=13, BW=212KiB/s (217kB/s)(6032KiB/28505msec); 0 zone resets clat (usec): min=1558, max=253825, avg=35303.32, stdev=37017.42 lat (usec): min=1559, max=253827, avg=35306.02, stdev=37017.38 clat percentiles (usec): | 1.00th=[ 1663], 5.00th=[ 1926], 10.00th=[ 3064], 20.00th=[ 5080], | 30.00th=[ 8094], 40.00th=[ 14746], 50.00th=[ 22676], 60.00th=[ 34341], | 70.00th=[ 45876], 80.00th=[ 60031], 90.00th=[ 86508], 95.00th=[108528], | 99.00th=[166724], 99.50th=[193987], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 32, max= 382, per=25.17%, avg=209.70, stdev=83.15, samples=56 iops : min= 2, max= 23, avg=12.32, stdev= 5.19, samples=56 lat (usec) : 50=1.56%, 100=9.64%, 250=0.78%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=3.39%, 4=4.43%, 10=9.24%, 20=8.72%, 50=33.72% lat (msec) : 100=22.66%, 250=5.21%, 500=0.13% cpu : usr=0.10%, sys=5.39%, ctx=1511, 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=145669: Fri Sep 11 07:17:48 2026 read: IOPS=13, BW=215KiB/s (220kB/s)(6032KiB/28045msec) clat (usec): min=39, max=360081, avg=42778.08, stdev=34795.47 lat (usec): min=39, max=360082, avg=42779.83, stdev=34796.35 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 58], 10.00th=[ 70], 20.00th=[ 17957], | 30.00th=[ 27395], 40.00th=[ 33817], 50.00th=[ 39060], 60.00th=[ 45876], | 70.00th=[ 52691], 80.00th=[ 63177], 90.00th=[ 81265], 95.00th=[ 93848], | 99.00th=[160433], 99.50th=[179307], 99.90th=[358613], 99.95th=[358613], | 99.99th=[358613] bw ( KiB/s): min= 63, max= 381, per=26.80%, avg=212.25, stdev=72.61, samples=55 iops : min= 3, max= 23, avg=12.49, stdev= 4.57, samples=55 write: IOPS=13, BW=223KiB/s (228kB/s)(6256KiB/28045msec); 0 zone resets clat (usec): min=1480, max=339718, avg=30086.52, stdev=33835.99 lat (usec): min=1482, max=339721, avg=30088.80, stdev=33835.99 clat percentiles (usec): | 1.00th=[ 1549], 5.00th=[ 1926], 10.00th=[ 2999], 20.00th=[ 5080], | 30.00th=[ 7898], 40.00th=[ 11994], 50.00th=[ 18482], 60.00th=[ 27132], | 70.00th=[ 38011], 80.00th=[ 50070], 90.00th=[ 69731], 95.00th=[ 88605], | 99.00th=[141558], 99.50th=[206570], 99.90th=[337642], 99.95th=[337642], | 99.99th=[337642] bw ( KiB/s): min= 63, max= 535, per=26.59%, avg=221.49, stdev=81.60, samples=55 iops : min= 3, max= 33, avg=13.07, stdev= 5.19, samples=55 lat (usec) : 50=0.65%, 100=6.25%, 250=0.91%, 500=0.26% lat (msec) : 2=2.86%, 4=5.73%, 10=9.90%, 20=10.16%, 50=36.33% lat (msec) : 100=23.70%, 250=2.99%, 500=0.26% cpu : usr=0.07%, sys=5.72%, ctx=1457, 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=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=793KiB/s (812kB/s), 190KiB/s-219KiB/s (195kB/s-225kB/s), io=23.4MiB (24.5MB), run=28045-30220msec WRITE: bw=834KiB/s (854kB/s), 211KiB/s-223KiB/s (216kB/s-228kB/s), io=24.6MiB (25.8MB), run=28045-30220msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145661: Fri Sep 11 07:18:32 2026 read: IOPS=5, BW=80.4KiB/s (82.4kB/s)(5920KiB/73598msec) clat (msec): min=8, max=308, avg=40.93, stdev=40.97 lat (msec): min=8, max=308, avg=40.94, stdev=40.97 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 34], | 70.00th=[ 41], 80.00th=[ 51], 90.00th=[ 77], 95.00th=[ 120], | 99.00th=[ 224], 99.50th=[ 300], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 31, max= 383, per=27.94%, avg=90.52, stdev=53.27, samples=127 iops : min= 1, max= 23, avg= 4.88, stdev= 3.37, samples=127 write: IOPS=5, BW=86.5KiB/s (88.6kB/s)(6368KiB/73598msec); 0 zone resets clat (msec): min=42, max=430, avg=146.06, stdev=61.84 lat (msec): min=42, max=430, avg=146.06, stdev=61.84 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 73], 10.00th=[ 84], 20.00th=[ 97], | 30.00th=[ 110], 40.00th=[ 121], 50.00th=[ 130], 60.00th=[ 144], | 70.00th=[ 163], 80.00th=[ 184], 90.00th=[ 243], 95.00th=[ 275], | 99.00th=[ 342], 99.50th=[ 388], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 31, max= 159, per=25.52%, avg=87.01, stdev=35.48, samples=143 iops : min= 1, max= 9, avg= 4.68, stdev= 2.24, samples=143 lat (msec) : 10=0.65%, 20=12.63%, 50=25.26%, 100=18.23%, 250=38.67% lat (msec) : 500=4.56% cpu : usr=0.04%, sys=1.23%, ctx=1367, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145662: Fri Sep 11 07:18:32 2026 read: IOPS=4, BW=77.9KiB/s (79.8kB/s)(5744KiB/73732msec) clat (msec): min=6, max=323, avg=43.48, stdev=46.10 lat (msec): min=6, max=323, avg=43.49, stdev=46.10 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 89], 95.00th=[ 129], | 99.00th=[ 305], 99.50th=[ 317], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 30, max= 352, per=27.55%, avg=89.27, stdev=56.97, samples=127 iops : min= 1, max= 22, avg= 4.80, stdev= 3.61, samples=127 write: IOPS=5, BW=88.8KiB/s (90.9kB/s)(6544KiB/73732msec); 0 zone resets clat (msec): min=49, max=400, avg=141.58, stdev=60.17 lat (msec): min=49, max=400, avg=141.58, stdev=60.17 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 70], 10.00th=[ 80], 20.00th=[ 96], | 30.00th=[ 108], 40.00th=[ 117], 50.00th=[ 130], 60.00th=[ 142], | 70.00th=[ 155], 80.00th=[ 174], 90.00th=[ 218], 95.00th=[ 271], | 99.00th=[ 359], 99.50th=[ 384], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 30, max= 159, per=26.18%, avg=89.26, stdev=36.37, samples=144 iops : min= 1, max= 9, avg= 4.82, stdev= 2.29, samples=144 lat (msec) : 10=1.17%, 20=12.24%, 50=22.92%, 100=19.53%, 250=40.10% lat (msec) : 500=4.04% cpu : usr=0.04%, sys=1.24%, ctx=1333, 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=145663: Fri Sep 11 07:18:32 2026 read: IOPS=5, BW=89.6KiB/s (91.7kB/s)(6256KiB/69843msec) clat (msec): min=7, max=317, avg=39.46, stdev=40.28 lat (msec): min=7, max=317, avg=39.46, stdev=40.27 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 31], | 70.00th=[ 36], 80.00th=[ 46], 90.00th=[ 82], 95.00th=[ 128], | 99.00th=[ 239], 99.50th=[ 266], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 30, max= 288, per=31.01%, avg=100.49, stdev=67.37, samples=123 iops : min= 1, max= 18, avg= 5.52, stdev= 4.23, samples=123 write: IOPS=5, BW=86.4KiB/s (88.4kB/s)(6032KiB/69843msec); 0 zone resets clat (msec): min=55, max=427, avg=144.10, stdev=62.36 lat (msec): min=55, max=427, avg=144.10, stdev=62.36 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 71], 10.00th=[ 82], 20.00th=[ 95], | 30.00th=[ 108], 40.00th=[ 118], 50.00th=[ 131], 60.00th=[ 146], | 70.00th=[ 163], 80.00th=[ 182], 90.00th=[ 224], 95.00th=[ 262], | 99.00th=[ 393], 99.50th=[ 426], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 31, max= 160, per=25.35%, avg=86.45, stdev=34.87, samples=137 iops : min= 1, max= 10, avg= 4.64, stdev= 2.17, samples=137 lat (msec) : 10=0.91%, 20=15.10%, 50=25.91%, 100=16.67%, 250=38.28% lat (msec) : 500=3.12% cpu : usr=0.05%, sys=1.24%, ctx=1306, 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=145665: Fri Sep 11 07:18:32 2026 read: IOPS=5, BW=82.0KiB/s (84.9kB/s)(6032KiB/72715msec) clat (msec): min=6, max=262, avg=38.03, stdev=36.06 lat (msec): min=6, max=262, avg=38.03, stdev=36.06 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 52], 90.00th=[ 73], 95.00th=[ 109], | 99.00th=[ 209], 99.50th=[ 257], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 31, max= 288, per=30.31%, avg=98.21, stdev=58.82, samples=120 iops : min= 1, max= 18, avg= 5.38, stdev= 3.77, samples=120 write: IOPS=5, BW=86.0KiB/s (88.1kB/s)(6256KiB/72715msec); 0 zone resets clat (msec): min=54, max=504, avg=148.62, stdev=65.85 lat (msec): min=54, max=504, avg=148.63, stdev=65.85 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 75], 10.00th=[ 82], 20.00th=[ 94], | 30.00th=[ 111], 40.00th=[ 122], 50.00th=[ 134], 60.00th=[ 150], | 70.00th=[ 163], 80.00th=[ 192], 90.00th=[ 239], 95.00th=[ 284], | 99.00th=[ 368], 99.50th=[ 464], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 31, max= 159, per=25.13%, avg=85.69, stdev=36.04, samples=143 iops : min= 1, max= 9, avg= 4.59, stdev= 2.32, samples=143 lat (msec) : 10=1.43%, 20=14.97%, 50=22.53%, 100=19.40%, 250=37.37% lat (msec) : 500=4.17%, 750=0.13% cpu : usr=0.06%, sys=1.26%, ctx=1418, 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=325KiB/s (333kB/s), 77.9KiB/s-89.6KiB/s (79.8kB/s-91.7kB/s), io=23.4MiB (24.5MB), run=69843-73732msec WRITE: bw=342KiB/s (350kB/s), 86.0KiB/s-88.8KiB/s (88.1kB/s-90.9kB/s), io=24.6MiB (25.8MB), run=69843-73732msec 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=145691: Fri Sep 11 07:18:48 2026 read: IOPS=2, BW=2151KiB/s (2203kB/s)(7168KiB/3332msec) clat (usec): min=858, max=308196, avg=179771.41, stdev=127926.57 lat (usec): min=859, max=308197, avg=179772.91, stdev=127926.29 clat percentiles (usec): | 1.00th=[ 857], 5.00th=[ 857], 10.00th=[ 857], 20.00th=[ 1860], | 30.00th=[200279], 40.00th=[200279], 50.00th=[202376], 60.00th=[267387], | 70.00th=[267387], 80.00th=[274727], 90.00th=[308282], 95.00th=[308282], | 99.00th=[308282], 99.50th=[308282], 99.90th=[308282], 99.95th=[308282], | 99.99th=[308282] bw ( KiB/s): min= 2023, max= 6011, per=76.15%, avg=3027.00, stdev=1989.35, samples=4 iops : min= 1, max= 5, avg= 2.00, stdev= 2.00, samples=4 write: IOPS=1, BW=1537KiB/s (1573kB/s)(5120KiB/3332msec); 0 zone resets clat (msec): min=185, max=440, avg=320.30, stdev=93.70 lat (msec): min=185, max=440, avg=320.40, stdev=93.71 clat percentiles (msec): | 1.00th=[ 186], 5.00th=[ 186], 10.00th=[ 186], 20.00th=[ 186], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 338], 60.00th=[ 338], | 70.00th=[ 351], 80.00th=[ 351], 90.00th=[ 443], 95.00th=[ 443], | 99.00th=[ 443], 99.50th=[ 443], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 2031, max= 4047, per=45.60%, avg=2538.00, stdev=1006.02, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 1000=8.33% lat (msec) : 2=8.33%, 250=25.00%, 500=58.33% cpu : usr=0.06%, sys=11.86%, ctx=140, 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=145692: Fri Sep 11 07:18:48 2026 read: IOPS=0, BW=398KiB/s (407kB/s)(2048KiB/5151msec) clat (usec): min=554, max=471772, avg=236163.60, stdev=333200.97 lat (usec): min=556, max=471775, avg=236165.62, stdev=333202.20 clat percentiles (usec): | 1.00th=[ 553], 5.00th=[ 553], 10.00th=[ 553], 20.00th=[ 553], | 30.00th=[ 553], 40.00th=[ 553], 50.00th=[ 553], 60.00th=[471860], | 70.00th=[471860], 80.00th=[471860], 90.00th=[471860], 95.00th=[471860], | 99.00th=[471860], 99.50th=[471860], 99.90th=[471860], 99.95th=[471860], | 99.99th=[471860] bw ( KiB/s): min= 2003, max= 2043, per=50.89%, avg=2023.00, stdev=28.28, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1988KiB/s (2036kB/s)(10.0MiB/5151msec); 0 zone resets clat (msec): min=118, max=1693, avg=445.65, stdev=478.22 lat (msec): min=118, max=1693, avg=445.74, stdev=478.22 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 118], 10.00th=[ 118], 20.00th=[ 133], | 30.00th=[ 174], 40.00th=[ 182], 50.00th=[ 184], 60.00th=[ 296], | 70.00th=[ 460], 80.00th=[ 558], 90.00th=[ 667], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 2031, max= 4087, per=51.28%, avg=2854.20, stdev=1125.39, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 1.10, samples=5 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=25.00%, 750=16.67%, 2000=8.33% cpu : usr=0.08%, sys=10.77%, ctx=129, 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=145693: Fri Sep 11 07:18:48 2026 read: IOPS=1, BW=1906KiB/s (1951kB/s)(6144KiB/3224msec) clat (usec): min=494, max=420347, avg=70550.02, stdev=171365.02 lat (usec): min=496, max=420348, avg=70551.50, stdev=171365.03 clat percentiles (usec): | 1.00th=[ 494], 5.00th=[ 494], 10.00th=[ 494], 20.00th=[ 537], | 30.00th=[ 537], 40.00th=[ 594], 50.00th=[ 594], 60.00th=[ 635], | 70.00th=[ 693], 80.00th=[ 693], 90.00th=[421528], 95.00th=[421528], | 99.00th=[421528], 99.50th=[421528], 99.90th=[421528], 99.95th=[421528], | 99.99th=[421528] bw ( KiB/s): min= 4063, max= 4063, per=100.00%, avg=4063.00, stdev= 0.00, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1906KiB/s (1951kB/s)(6144KiB/3224msec); 0 zone resets clat (msec): min=156, max=866, avg=436.46, stdev=308.03 lat (msec): min=156, max=866, avg=436.52, stdev=308.05 clat percentiles (msec): | 1.00th=[ 157], 5.00th=[ 157], 10.00th=[ 157], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 239], 50.00th=[ 239], 60.00th=[ 347], | 70.00th=[ 785], 80.00th=[ 785], 90.00th=[ 869], 95.00th=[ 869], | 99.00th=[ 869], 99.50th=[ 869], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 2031, max= 4007, per=48.32%, avg=2689.67, stdev=1140.84, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 500=8.33%, 750=33.33% lat (msec) : 250=25.00%, 500=16.67%, 1000=16.67% cpu : usr=0.00%, sys=11.91%, ctx=131, 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=145694: Fri Sep 11 07:18:48 2026 read: IOPS=2, BW=2050KiB/s (2100kB/s)(5120KiB/2497msec) clat (usec): min=551, max=280461, avg=134729.49, stdev=139898.50 lat (usec): min=552, max=280463, avg=134730.64, stdev=139898.57 clat percentiles (usec): | 1.00th=[ 553], 5.00th=[ 553], 10.00th=[ 553], 20.00th=[ 553], | 30.00th=[ 2704], 40.00th=[ 2704], 50.00th=[110625], 60.00th=[110625], | 70.00th=[278922], 80.00th=[278922], 90.00th=[278922], 95.00th=[278922], | 99.00th=[278922], 99.50th=[278922], 99.90th=[278922], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 2031, max= 6131, per=100.00%, avg=4081.00, stdev=2899.14, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2871KiB/s (2940kB/s)(7168KiB/2497msec); 0 zone resets clat (msec): min=115, max=573, avg=244.96, stdev=150.12 lat (msec): min=115, max=573, avg=245.17, stdev=150.10 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 116], 10.00th=[ 116], 20.00th=[ 167], | 30.00th=[ 194], 40.00th=[ 194], 50.00th=[ 215], 60.00th=[ 226], | 70.00th=[ 226], 80.00th=[ 226], 90.00th=[ 575], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 2003, max= 2817, per=39.95%, avg=2223.50, stdev=396.02, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (usec) : 750=8.33% lat (msec) : 4=8.33%, 250=58.33%, 500=16.67%, 750=8.33% cpu : usr=0.04%, sys=16.31%, ctx=192, 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=3976KiB/s (4071kB/s), 398KiB/s-2151KiB/s (407kB/s-2203kB/s), io=20.0MiB (20.0MB), run=2497-5151msec WRITE: bw=5566KiB/s (5700kB/s), 1537KiB/s-2871KiB/s (1573kB/s-2940kB/s), io=28.0MiB (29.4MB), run=2497-5151msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145687: Fri Sep 11 07:18:48 2026 read: IOPS=1, BW=1360KiB/s (1393kB/s)(7168KiB/5269msec) clat (msec): min=89, max=831, avg=284.11, stdev=270.22 lat (msec): min=89, max=831, avg=284.11, stdev=270.21 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 107], | 30.00th=[ 107], 40.00th=[ 107], 50.00th=[ 142], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 414], 90.00th=[ 835], 95.00th=[ 835], | 99.00th=[ 835], 99.50th=[ 835], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 1831, max= 4047, per=76.67%, avg=2979.25, stdev=1208.93, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=0, BW=972KiB/s (995kB/s)(5120KiB/5269msec); 0 zone resets clat (msec): min=321, max=1396, avg=597.58, stdev=451.95 lat (msec): min=321, max=1396, avg=597.68, stdev=451.95 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 372], 40.00th=[ 372], 50.00th=[ 388], 60.00th=[ 388], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 2003, max= 4079, per=46.70%, avg=2541.00, stdev=1025.49, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=25.00%, 500=41.67%, 750=8.33%, 1000=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=2.83%, ctx=61, 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=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=145688: Fri Sep 11 07:18:48 2026 read: IOPS=0, BW=405KiB/s (415kB/s)(2048KiB/5058msec) clat (msec): min=129, max=183, avg=156.21, stdev=38.37 lat (msec): min=129, max=183, avg=156.21, stdev=38.37 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 130], 10.00th=[ 130], 20.00th=[ 130], | 30.00th=[ 130], 40.00th=[ 130], 50.00th=[ 130], 60.00th=[ 184], | 70.00th=[ 184], 80.00th=[ 184], 90.00th=[ 184], 95.00th=[ 184], | 99.00th=[ 184], 99.50th=[ 184], 99.90th=[ 184], 99.95th=[ 184], | 99.99th=[ 184] bw ( KiB/s): min= 1501, max= 2003, per=45.08%, avg=1752.00, stdev=354.97, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=2025KiB/s (2073kB/s)(10.0MiB/5058msec); 0 zone resets clat (msec): min=197, max=825, avg=465.01, stdev=239.55 lat (msec): min=197, max=826, avg=465.20, stdev=239.45 clat percentiles (msec): | 1.00th=[ 199], 5.00th=[ 199], 10.00th=[ 199], 20.00th=[ 239], | 30.00th=[ 245], 40.00th=[ 296], 50.00th=[ 330], 60.00th=[ 435], | 70.00th=[ 634], 80.00th=[ 709], 90.00th=[ 743], 95.00th=[ 827], | 99.00th=[ 827], 99.50th=[ 827], 99.90th=[ 827], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 1501, max= 4079, per=39.91%, avg=2171.25, stdev=793.95, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=41.67%, 500=25.00%, 750=25.00%, 1000=8.33% cpu : usr=0.02%, sys=2.75%, ctx=64, 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=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=145689: Fri Sep 11 07:18:48 2026 read: IOPS=1, BW=1284KiB/s (1315kB/s)(6144KiB/4786msec) clat (msec): min=55, max=733, avg=319.80, stdev=283.14 lat (msec): min=55, max=733, avg=319.80, stdev=283.14 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 56], 10.00th=[ 56], 20.00th=[ 72], | 30.00th=[ 72], 40.00th=[ 117], 50.00th=[ 117], 60.00th=[ 393], | 70.00th=[ 550], 80.00th=[ 550], 90.00th=[ 735], 95.00th=[ 735], | 99.00th=[ 735], 99.50th=[ 735], 99.90th=[ 735], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 2003, max= 4087, per=69.59%, avg=2704.33, stdev=1197.47, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1284KiB/s (1315kB/s)(6144KiB/4786msec); 0 zone resets clat (msec): min=297, max=712, avg=443.93, stdev=149.98 lat (msec): min=297, max=712, avg=444.17, stdev=149.93 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 397], 50.00th=[ 397], 60.00th=[ 422], | 70.00th=[ 506], 80.00th=[ 506], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 1729, max= 3984, per=47.25%, avg=2571.00, stdev=1231.17, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=16.67%, 250=8.33%, 500=41.67%, 750=33.33% cpu : usr=0.02%, sys=3.07%, ctx=62, 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=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=145690: Fri Sep 11 07:18:48 2026 read: IOPS=1, BW=1105KiB/s (1131kB/s)(5120KiB/4635msec) clat (msec): min=75, max=449, avg=199.04, stdev=149.86 lat (msec): min=75, max=449, avg=199.04, stdev=149.86 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 77], | 30.00th=[ 97], 40.00th=[ 97], 50.00th=[ 163], 60.00th=[ 163], | 70.00th=[ 211], 80.00th=[ 211], 90.00th=[ 451], 95.00th=[ 451], | 99.00th=[ 451], 99.50th=[ 451], 99.90th=[ 451], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 2003, max= 6000, per=100.00%, avg=4001.50, stdev=2826.31, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1546KiB/s (1584kB/s)(7168KiB/4635msec); 0 zone resets clat (msec): min=174, max=862, avg=487.26, stdev=262.77 lat (msec): min=174, max=862, avg=487.59, stdev=262.74 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 313], | 30.00th=[ 376], 40.00th=[ 376], 50.00th=[ 397], 60.00th=[ 451], | 70.00th=[ 451], 80.00th=[ 835], 90.00th=[ 860], 95.00th=[ 860], | 99.00th=[ 860], 99.50th=[ 860], 99.90th=[ 860], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 1992, max= 2043, per=37.07%, avg=2016.80, stdev=19.80, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 100=16.67%, 250=25.00%, 500=41.67%, 1000=16.67% cpu : usr=0.04%, sys=3.30%, ctx=69, 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=3887KiB/s (3980kB/s), 405KiB/s-1360KiB/s (415kB/s-1393kB/s), io=20.0MiB (20.0MB), run=4635-5269msec WRITE: bw=5442KiB/s (5572kB/s), 972KiB/s-2025KiB/s (995kB/s-2073kB/s), io=28.0MiB (29.4MB), run=4635-5269msec 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=145702: Fri Sep 11 07:19:04 2026 read: IOPS=1, BW=4495KiB/s (4602kB/s)(12.0MiB/2734msec) clat (msec): min=793, max=986, avg=885.80, stdev=96.54 lat (msec): min=793, max=986, avg=885.80, stdev=96.54 clat percentiles (msec): | 1.00th=[ 793], 5.00th=[ 793], 10.00th=[ 793], 20.00th=[ 793], | 30.00th=[ 793], 40.00th=[ 877], 50.00th=[ 877], 60.00th=[ 877], | 70.00th=[ 986], 80.00th=[ 986], 90.00th=[ 986], 95.00th=[ 986], | 99.00th=[ 986], 99.50th=[ 986], 99.90th=[ 986], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 8110, max= 8192, per=100.00%, avg=8151.00, stdev=57.98, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 1000=100.00% cpu : usr=0.00%, sys=12.44%, ctx=281, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145703: Fri Sep 11 07:19:04 2026 read: IOPS=0, BW=1466KiB/s (1501kB/s)(4096KiB/2794msec) clat (nsec): min=909816k, max=909816k, avg=909815834.00, stdev= 0.00 lat (nsec): min=909819k, max=909819k, avg=909818874.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 911], 5.00th=[ 911], 10.00th=[ 911], 20.00th=[ 911], | 30.00th=[ 911], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 911], 80.00th=[ 911], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2932KiB/s (3002kB/s)(8192KiB/2794msec); 0 zone resets clat (msec): min=839, max=949, avg=894.65, stdev=77.70 lat (msec): min=840, max=953, avg=897.10, stdev=80.32 clat percentiles (msec): | 1.00th=[ 844], 5.00th=[ 844], 10.00th=[ 844], 20.00th=[ 844], | 30.00th=[ 844], 40.00th=[ 844], 50.00th=[ 844], 60.00th=[ 953], | 70.00th=[ 953], 80.00th=[ 953], 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= 8159, max= 8159, per=83.56%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=100.00% cpu : usr=0.14%, sys=3.47%, ctx=102, 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=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=145705: Fri Sep 11 07:19:04 2026 write: IOPS=0, BW=3662KiB/s (3749kB/s)(12.0MiB/3356msec); 0 zone resets clat (msec): min=382, max=1429, avg=1035.62, stdev=569.91 lat (msec): min=385, max=1432, avg=1037.81, stdev=568.86 clat percentiles (msec): | 1.00th=[ 384], 5.00th=[ 384], 10.00th=[ 384], 20.00th=[ 384], | 30.00th=[ 384], 40.00th=[ 1301], 50.00th=[ 1301], 60.00th=[ 1301], | 70.00th=[ 1435], 80.00th=[ 1435], 90.00th=[ 1435], 95.00th=[ 1435], | 99.00th=[ 1435], 99.50th=[ 1435], 99.90th=[ 1435], 99.95th=[ 1435], | 99.99th=[ 1435] bw ( KiB/s): min= 8143, max= 8159, per=83.48%, avg=8151.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.07%, ctx=57, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145706: Fri Sep 11 07:19:04 2026 write: IOPS=0, BW=3663KiB/s (3750kB/s)(12.0MiB/3355msec); 0 zone resets clat (msec): min=779, max=1251, avg=1080.48, stdev=261.23 lat (msec): min=780, max=1252, avg=1080.90, stdev=261.21 clat percentiles (msec): | 1.00th=[ 776], 5.00th=[ 776], 10.00th=[ 776], 20.00th=[ 776], | 30.00th=[ 776], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 8094, max= 8110, per=82.98%, avg=8102.00, stdev=11.31, 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=0.03%, sys=4.65%, ctx=72, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5864KiB/s (6005kB/s), 1466KiB/s-4495KiB/s (1501kB/s-4602kB/s), io=16.0MiB (16.8MB), run=2734-2794msec WRITE: bw=9764KiB/s (9998kB/s), 2932KiB/s-3663KiB/s (3002kB/s-3750kB/s), io=32.0MiB (33.6MB), run=2794-3356msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145704: Fri Sep 11 07:19:05 2026 read: IOPS=0, BW=3243KiB/s (3321kB/s)(12.0MiB/3789msec) clat (msec): min=429, max=1823, avg=1156.00, stdev=698.63 lat (msec): min=429, max=1823, avg=1156.00, stdev=698.63 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 1821], 80.00th=[ 1821], 90.00th=[ 1821], 95.00th=[ 1821], | 99.00th=[ 1821], 99.50th=[ 1821], 99.90th=[ 1821], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 7801, max= 8192, per=100.00%, avg=7996.50, stdev=276.48, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.08%, sys=2.77%, ctx=84, 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=145707: Fri Sep 11 07:19:05 2026 read: IOPS=0, BW=1002KiB/s (1027kB/s)(4096KiB/4086msec) clat (nsec): min=791321k, max=791321k, avg=791320717.00, stdev= 0.00 lat (nsec): min=791323k, max=791323k, avg=791323240.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 793], 5.00th=[ 793], 10.00th=[ 793], 20.00th=[ 793], | 30.00th=[ 793], 40.00th=[ 793], 50.00th=[ 793], 60.00th=[ 793], | 70.00th=[ 793], 80.00th=[ 793], 90.00th=[ 793], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 8062, max= 8062, per=100.00%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2005KiB/s (2053kB/s)(8192KiB/4086msec); 0 zone resets clat (msec): min=1264, max=1834, avg=1549.95, stdev=403.11 lat (msec): min=1265, max=1835, avg=1550.40, stdev=403.10 clat percentiles (msec): | 1.00th=[ 1267], 5.00th=[ 1267], 10.00th=[ 1267], 20.00th=[ 1267], | 30.00th=[ 1267], 40.00th=[ 1267], 50.00th=[ 1267], 60.00th=[ 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= 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 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.67%, ctx=65, 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=145708: Fri Sep 11 07:19:05 2026 write: IOPS=0, BW=3113KiB/s (3188kB/s)(12.0MiB/3947msec); 0 zone resets clat (msec): min=437, max=2220, avg=1259.05, stdev=899.47 lat (msec): min=441, max=2220, avg=1260.48, stdev=898.07 clat percentiles (msec): | 1.00th=[ 439], 5.00th=[ 439], 10.00th=[ 439], 20.00th=[ 439], | 30.00th=[ 439], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 2232], 80.00th=[ 2232], 90.00th=[ 2232], 95.00th=[ 2232], | 99.00th=[ 2232], 99.50th=[ 2232], 99.90th=[ 2232], 99.95th=[ 2232], | 99.99th=[ 2232] bw ( KiB/s): min= 7816, max= 8078, per=99.10%, avg=7947.00, stdev=185.26, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.04%, 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=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=145709: Fri Sep 11 07:19:05 2026 write: IOPS=1, BW=4129KiB/s (4228kB/s)(12.0MiB/2976msec); 0 zone resets clat (msec): min=388, max=2106, avg=978.84, stdev=977.06 lat (msec): min=389, max=2107, avg=979.58, stdev=976.97 clat percentiles (msec): | 1.00th=[ 388], 5.00th=[ 388], 10.00th=[ 388], 20.00th=[ 388], | 30.00th=[ 388], 40.00th=[ 443], 50.00th=[ 443], 60.00th=[ 443], | 70.00th=[ 2106], 80.00th=[ 2106], 90.00th=[ 2106], 95.00th=[ 2106], | 99.00th=[ 2106], 99.50th=[ 2106], 99.90th=[ 2106], 99.95th=[ 2106], | 99.99th=[ 2106] bw ( KiB/s): min= 6131, max= 8062, per=88.50%, avg=7096.50, stdev=1365.42, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=2.66%, ctx=81, 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=4010KiB/s (4106kB/s), 1002KiB/s-3243KiB/s (1027kB/s-3321kB/s), io=16.0MiB (16.8MB), run=3789-4086msec WRITE: bw=8020KiB/s (8212kB/s), 2005KiB/s-4129KiB/s (2053kB/s-4228kB/s), io=32.0MiB (33.6MB), run=2976-4086msec