== sanity test 398b: DIO and buffer IO race ============== 09:24:55 (1788873895) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.02972 s, 8.3 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=143998: Tue Sep 8 09:27:37 2026 read: IOPS=10, BW=41.8KiB/s (42.8kB/s)(5992KiB/143263msec) clat (usec): min=35, max=721778, avg=46331.81, stdev=39355.16 lat (usec): min=36, max=721780, avg=46339.15, stdev=39355.95 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 62], 10.00th=[ 1057], 20.00th=[ 21103], | 30.00th=[ 27132], 40.00th=[ 33162], 50.00th=[ 39060], 60.00th=[ 45876], | 70.00th=[ 55837], 80.00th=[ 68682], 90.00th=[ 88605], 95.00th=[103285], | 99.00th=[173016], 99.50th=[204473], 99.90th=[438305], 99.95th=[725615], | 99.99th=[725615] bw ( KiB/s): min= 7, max= 103, per=25.00%, avg=41.50, stdev=18.71, samples=279 iops : min= 1, max= 25, avg= 9.71, stdev= 4.69, samples=279 write: IOPS=10, BW=43.9KiB/s (45.0kB/s)(6296KiB/143263msec); 0 zone resets clat (usec): min=1184, max=562695, avg=46600.69, stdev=49119.55 lat (usec): min=1186, max=562697, avg=46606.61, stdev=49116.98 clat percentiles (usec): | 1.00th=[ 1254], 5.00th=[ 1450], 10.00th=[ 2540], 20.00th=[ 5473], | 30.00th=[ 10814], 40.00th=[ 22938], 50.00th=[ 34341], 60.00th=[ 45876], | 70.00th=[ 61080], 80.00th=[ 78119], 90.00th=[105382], 95.00th=[135267], | 99.00th=[221250], 99.50th=[270533], 99.90th=[413139], 99.95th=[566232], | 99.99th=[566232] bw ( KiB/s): min= 7, max= 134, per=25.02%, avg=43.53, stdev=21.10, samples=280 iops : min= 1, max= 33, avg=10.22, stdev= 5.31, samples=280 lat (usec) : 50=0.39%, 100=3.81%, 250=0.29%, 500=0.20%, 750=0.10% lat (usec) : 1000=0.07% lat (msec) : 2=4.43%, 4=3.19%, 10=7.52%, 20=7.98%, 50=35.58% lat (msec) : 100=27.54%, 250=8.46%, 500=0.39%, 750=0.07% cpu : usr=0.07%, sys=4.78%, ctx=6678, 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=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=143999: Tue Sep 8 09:27:37 2026 read: IOPS=10, BW=41.2KiB/s (42.2kB/s)(5940KiB/144042msec) clat (usec): min=36, max=487998, avg=47779.89, stdev=38507.22 lat (usec): min=36, max=487999, avg=47785.56, stdev=38507.93 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 66], 10.00th=[ 11207], 20.00th=[ 22152], | 30.00th=[ 27657], 40.00th=[ 33817], 50.00th=[ 40633], 60.00th=[ 46924], | 70.00th=[ 57934], 80.00th=[ 70779], 90.00th=[ 89654], 95.00th=[108528], | 99.00th=[170918], 99.50th=[242222], 99.90th=[400557], 99.95th=[488637], | 99.99th=[488637] bw ( KiB/s): min= 7, max= 96, per=24.87%, avg=41.28, stdev=17.87, samples=279 iops : min= 1, max= 24, avg= 9.66, stdev= 4.49, samples=279 write: IOPS=11, BW=44.1KiB/s (45.1kB/s)(6348KiB/144042msec); 0 zone resets clat (usec): min=1197, max=694001, avg=45735.57, stdev=50906.07 lat (usec): min=1198, max=694003, avg=45738.37, stdev=50905.63 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1500], 10.00th=[ 2311], 20.00th=[ 4948], | 30.00th=[ 10028], 40.00th=[ 20579], 50.00th=[ 34341], 60.00th=[ 46400], | 70.00th=[ 59507], 80.00th=[ 76022], 90.00th=[104334], 95.00th=[130548], | 99.00th=[221250], 99.50th=[283116], 99.90th=[633340], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 7, max= 144, per=25.01%, avg=43.52, stdev=20.16, samples=282 iops : min= 1, max= 36, avg=10.22, stdev= 5.08, samples=282 lat (usec) : 50=0.16%, 100=3.55%, 250=0.55%, 500=0.10%, 1000=0.07% lat (msec) : 2=4.36%, 4=4.07%, 10=7.26%, 20=8.30%, 50=34.24% lat (msec) : 100=28.03%, 250=8.82%, 500=0.42%, 750=0.07% cpu : usr=0.08%, sys=4.83%, ctx=6816, 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=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=144000: Tue Sep 8 09:27:37 2026 read: IOPS=10, BW=42.2KiB/s (43.2kB/s)(6028KiB/142930msec) clat (usec): min=33, max=511488, avg=47827.45, stdev=40548.23 lat (usec): min=33, max=511489, avg=47833.21, stdev=40549.60 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 63], 10.00th=[ 8160], 20.00th=[ 22152], | 30.00th=[ 27919], 40.00th=[ 32637], 50.00th=[ 38536], 60.00th=[ 45876], | 70.00th=[ 56361], 80.00th=[ 70779], 90.00th=[ 92799], 95.00th=[111674], | 99.00th=[191890], 99.50th=[223347], 99.90th=[450888], 99.95th=[509608], | 99.99th=[509608] bw ( KiB/s): min= 7, max= 95, per=25.26%, avg=41.93, stdev=18.50, samples=280 iops : min= 1, max= 23, avg= 9.82, stdev= 4.65, samples=280 write: IOPS=10, BW=43.8KiB/s (44.8kB/s)(6260KiB/142930msec); 0 zone resets clat (usec): min=1176, max=688527, avg=44928.04, stdev=48552.01 lat (usec): min=1178, max=688529, avg=44943.02, stdev=48543.35 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1500], 10.00th=[ 2245], 20.00th=[ 5407], | 30.00th=[ 10421], 40.00th=[ 21627], 50.00th=[ 32900], 60.00th=[ 44303], | 70.00th=[ 56361], 80.00th=[ 74974], 90.00th=[106431], 95.00th=[129500], | 99.00th=[196084], 99.50th=[233833], 99.90th=[413139], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 7, max= 131, per=25.02%, avg=43.53, stdev=20.04, samples=280 iops : min= 1, max= 32, avg=10.22, stdev= 5.02, samples=280 lat (usec) : 50=0.46%, 100=3.68%, 250=0.52%, 500=0.03%, 750=0.07% lat (msec) : 2=4.52%, 4=3.71%, 10=6.87%, 20=8.43%, 50=36.43% lat (msec) : 100=25.68%, 250=9.24%, 500=0.29%, 750=0.07% cpu : usr=0.08%, sys=4.87%, ctx=6723, 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=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=144001: Tue Sep 8 09:27:37 2026 read: IOPS=10, BW=42.5KiB/s (43.5kB/s)(6052KiB/142346msec) clat (usec): min=36, max=723395, avg=47260.69, stdev=39840.71 lat (usec): min=36, max=723396, avg=47264.72, stdev=39841.82 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 8160], 20.00th=[ 21890], | 30.00th=[ 28181], 40.00th=[ 32900], 50.00th=[ 39584], 60.00th=[ 46924], | 70.00th=[ 56886], 80.00th=[ 68682], 90.00th=[ 90702], 95.00th=[109577], | 99.00th=[170918], 99.50th=[225444], 99.90th=[337642], 99.95th=[725615], | 99.99th=[725615] bw ( KiB/s): min= 7, max= 112, per=25.86%, avg=42.93, stdev=18.81, samples=275 iops : min= 1, max= 28, avg=10.07, stdev= 4.74, samples=275 write: IOPS=10, BW=43.8KiB/s (44.9kB/s)(6236KiB/142346msec); 0 zone resets clat (usec): min=1166, max=524784, avg=45096.24, stdev=47494.34 lat (usec): min=1166, max=524786, avg=45103.62, stdev=47491.39 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1565], 10.00th=[ 2638], 20.00th=[ 5342], | 30.00th=[ 9896], 40.00th=[ 20055], 50.00th=[ 32637], 60.00th=[ 45351], | 70.00th=[ 58983], 80.00th=[ 77071], 90.00th=[106431], 95.00th=[132645], | 99.00th=[208667], 99.50th=[231736], 99.90th=[383779], 99.95th=[526386], | 99.99th=[526386] bw ( KiB/s): min= 7, max= 119, per=24.94%, avg=43.39, stdev=19.84, samples=280 iops : min= 1, max= 29, avg=10.19, stdev= 4.99, samples=280 lat (usec) : 50=0.33%, 100=3.94%, 250=0.46%, 500=0.07% lat (msec) : 2=4.13%, 4=3.48%, 10=8.07%, 20=8.24%, 50=34.93% lat (msec) : 100=26.99%, 250=8.98%, 500=0.33%, 750=0.07% cpu : usr=0.07%, sys=5.02%, ctx=6776, 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=167KiB/s (171kB/s), 41.2KiB/s-42.5KiB/s (42.2kB/s-43.5kB/s), io=23.4MiB (24.6MB), run=142346-144042msec WRITE: bw=175KiB/s (179kB/s), 43.8KiB/s-44.1KiB/s (44.8kB/s-45.1kB/s), io=24.6MiB (25.7MB), run=142346-144042msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144003: Tue Sep 8 09:30:22 2026 read: IOPS=4, BW=19.5KiB/s (19.9kB/s)(5992KiB/307745msec) clat (msec): min=6, max=907, avg=44.85, stdev=46.46 lat (msec): min=6, max=907, avg=44.85, stdev=46.46 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 24], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 41], | 70.00th=[ 49], 80.00th=[ 61], 90.00th=[ 83], 95.00th=[ 115], | 99.00th=[ 190], 99.50th=[ 241], 99.90th=[ 793], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 7, max= 88, per=28.01%, avg=21.85, stdev=14.64, samples=527 iops : min= 1, max= 22, avg= 4.81, stdev= 3.72, samples=527 write: IOPS=5, BW=20.5KiB/s (20.9kB/s)(6296KiB/307745msec); 0 zone resets clat (msec): min=34, max=721, avg=152.73, stdev=74.60 lat (msec): min=34, max=721, avg=152.73, stdev=74.60 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 69], 10.00th=[ 78], 20.00th=[ 93], | 30.00th=[ 106], 40.00th=[ 118], 50.00th=[ 136], 60.00th=[ 155], | 70.00th=[ 176], 80.00th=[ 205], 90.00th=[ 251], 95.00th=[ 288], | 99.00th=[ 414], 99.50th=[ 477], 99.90th=[ 600], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 7, max= 63, per=25.06%, avg=20.30, stdev= 9.65, samples=593 iops : min= 1, max= 15, avg= 4.42, stdev= 2.47, samples=593 lat (msec) : 10=0.72%, 20=10.51%, 50=24.32%, 100=23.01%, 250=36.00% lat (msec) : 500=5.18%, 750=0.20%, 1000=0.07% cpu : usr=0.05%, sys=1.39%, ctx=5714, 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=144004: Tue Sep 8 09:30:22 2026 read: IOPS=4, BW=19.4KiB/s (19.8kB/s)(5940KiB/306844msec) clat (msec): min=6, max=740, avg=45.65, stdev=43.97 lat (msec): min=6, max=740, avg=45.66, stdev=43.97 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 19], | 30.00th=[ 24], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 41], | 70.00th=[ 49], 80.00th=[ 62], 90.00th=[ 90], 95.00th=[ 117], | 99.00th=[ 211], 99.50th=[ 255], 99.90th=[ 414], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 7, max= 87, per=29.03%, avg=22.64, stdev=14.64, samples=504 iops : min= 1, max= 21, avg= 5.01, stdev= 3.70, samples=504 write: IOPS=5, BW=20.7KiB/s (21.2kB/s)(6348KiB/306844msec); 0 zone resets clat (msec): min=42, max=607, avg=150.50, stdev=75.65 lat (msec): min=42, max=607, avg=150.50, stdev=75.65 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 67], 10.00th=[ 77], 20.00th=[ 90], | 30.00th=[ 103], 40.00th=[ 116], 50.00th=[ 133], 60.00th=[ 150], | 70.00th=[ 171], 80.00th=[ 203], 90.00th=[ 247], 95.00th=[ 296], | 99.00th=[ 418], 99.50th=[ 485], 99.90th=[ 600], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 7, max= 56, per=25.21%, avg=20.42, stdev= 9.85, samples=595 iops : min= 1, max= 14, avg= 4.45, stdev= 2.52, samples=595 lat (msec) : 10=1.46%, 20=9.73%, 50=23.80%, 100=24.22%, 250=35.64% lat (msec) : 500=4.88%, 750=0.26% cpu : usr=0.04%, sys=1.36%, ctx=5738, 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=144005: Tue Sep 8 09:30:22 2026 read: IOPS=4, BW=19.6KiB/s (20.1kB/s)(6028KiB/307413msec) clat (msec): min=6, max=373, avg=45.50, stdev=40.05 lat (msec): min=6, max=373, avg=45.51, stdev=40.05 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 42], | 70.00th=[ 50], 80.00th=[ 63], 90.00th=[ 87], 95.00th=[ 116], | 99.00th=[ 213], 99.50th=[ 262], 99.90th=[ 347], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 7, max= 87, per=28.28%, avg=22.06, stdev=14.72, samples=525 iops : min= 1, max= 21, avg= 4.86, stdev= 3.73, samples=525 write: IOPS=5, BW=20.4KiB/s (20.9kB/s)(6260KiB/307413msec); 0 zone resets clat (msec): min=41, max=950, avg=152.51, stdev=78.91 lat (msec): min=41, max=950, avg=152.51, stdev=78.91 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 66], 10.00th=[ 75], 20.00th=[ 91], | 30.00th=[ 106], 40.00th=[ 118], 50.00th=[ 132], 60.00th=[ 150], | 70.00th=[ 176], 80.00th=[ 209], 90.00th=[ 253], 95.00th=[ 300], | 99.00th=[ 405], 99.50th=[ 472], 99.90th=[ 785], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 7, max= 56, per=24.98%, avg=20.24, stdev= 9.91, samples=591 iops : min= 1, max= 14, avg= 4.40, stdev= 2.54, samples=591 lat (msec) : 10=1.43%, 20=10.22%, 50=23.18%, 100=23.18%, 250=36.46% lat (msec) : 500=5.37%, 750=0.10%, 1000=0.07% cpu : usr=0.04%, sys=1.38%, ctx=5843, 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=144006: Tue Sep 8 09:30:22 2026 read: IOPS=4, BW=19.9KiB/s (20.3kB/s)(6052KiB/304687msec) clat (msec): min=6, max=796, avg=45.51, stdev=42.86 lat (msec): min=6, max=796, avg=45.51, stdev=42.85 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 42], | 70.00th=[ 51], 80.00th=[ 63], 90.00th=[ 89], 95.00th=[ 118], | 99.00th=[ 186], 99.50th=[ 224], 99.90th=[ 550], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 7, max= 87, per=29.45%, avg=22.97, stdev=15.33, samples=507 iops : min= 1, max= 21, avg= 5.09, stdev= 3.87, samples=507 write: IOPS=5, BW=20.5KiB/s (20.0kB/s)(6236KiB/304687msec); 0 zone resets clat (msec): min=41, max=843, avg=151.16, stdev=78.37 lat (msec): min=41, max=843, avg=151.16, stdev=78.37 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 67], 10.00th=[ 77], 20.00th=[ 92], | 30.00th=[ 106], 40.00th=[ 120], 50.00th=[ 133], 60.00th=[ 150], | 70.00th=[ 169], 80.00th=[ 199], 90.00th=[ 247], 95.00th=[ 292], | 99.00th=[ 456], 99.50th=[ 506], 99.90th=[ 642], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 7, max= 48, per=25.01%, avg=20.25, stdev= 9.61, samples=589 iops : min= 1, max= 12, avg= 4.41, stdev= 2.46, samples=589 lat (msec) : 10=1.60%, 20=10.29%, 50=22.82%, 100=23.86%, 250=36.36% lat (msec) : 500=4.69%, 750=0.33%, 1000=0.07% cpu : usr=0.04%, sys=1.36%, ctx=5760, 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=78.0KiB/s (79.9kB/s), 19.4KiB/s-19.9KiB/s (19.8kB/s-20.3kB/s), io=23.4MiB (24.6MB), run=304687-307745msec WRITE: bw=81.7KiB/s (83.7kB/s), 20.4KiB/s-20.7KiB/s (20.9kB/s-21.2kB/s), io=24.6MiB (25.7MB), run=304687-307745msec 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=144067: Tue Sep 8 09:31:03 2026 read: IOPS=12, BW=194KiB/s (199kB/s)(5920KiB/30503msec) clat (usec): min=38, max=414282, avg=44924.12, stdev=39368.69 lat (usec): min=38, max=414283, avg=44925.55, stdev=39368.74 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 63], 10.00th=[ 74], 20.00th=[ 21890], | 30.00th=[ 28967], 40.00th=[ 34866], 50.00th=[ 39584], 60.00th=[ 45876], | 70.00th=[ 56361], 80.00th=[ 66847], 90.00th=[ 81265], 95.00th=[ 93848], | 99.00th=[177210], 99.50th=[329253], 99.90th=[413139], 99.95th=[413139], | 99.99th=[413139] bw ( KiB/s): min= 31, max= 446, per=24.93%, avg=194.43, stdev=75.37, samples=60 iops : min= 1, max= 27, avg=11.38, stdev= 4.74, samples=60 write: IOPS=13, BW=209KiB/s (214kB/s)(6368KiB/30503msec); 0 zone resets clat (usec): min=1638, max=342054, avg=34666.01, stdev=39428.47 lat (usec): min=1641, max=342057, avg=34669.61, stdev=39428.62 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[ 2900], 10.00th=[ 4047], 20.00th=[ 6652], | 30.00th=[ 9765], 40.00th=[ 13698], 50.00th=[ 21103], 60.00th=[ 30278], | 70.00th=[ 39584], 80.00th=[ 57410], 90.00th=[ 84411], 95.00th=[105382], | 99.00th=[177210], 99.50th=[265290], 99.90th=[341836], 99.95th=[341836], | 99.99th=[341836] bw ( KiB/s): min= 31, max= 446, per=25.53%, avg=209.33, stdev=94.87, samples=60 iops : min= 1, max= 27, avg=12.32, stdev= 6.01, samples=60 lat (usec) : 50=0.65%, 100=6.51%, 250=0.26%, 500=0.13% lat (msec) : 2=1.30%, 4=4.04%, 10=10.94%, 20=9.51%, 50=37.11% lat (msec) : 100=24.61%, 250=4.43%, 500=0.52% cpu : usr=0.06%, sys=5.50%, ctx=1555, 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=144068: Tue Sep 8 09:31:03 2026 read: IOPS=11, BW=187KiB/s (192kB/s)(5744KiB/30701msec) clat (usec): min=38, max=315240, avg=43770.73, stdev=33431.65 lat (usec): min=38, max=315240, avg=43772.14, stdev=33431.60 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 66], 10.00th=[ 82], 20.00th=[ 19006], | 30.00th=[ 30016], 40.00th=[ 36439], 50.00th=[ 43254], 60.00th=[ 47973], | 70.00th=[ 54789], 80.00th=[ 65274], 90.00th=[ 76022], 95.00th=[ 96994], | 99.00th=[143655], 99.50th=[170918], 99.90th=[316670], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 31, max= 380, per=23.93%, avg=186.63, stdev=78.14, samples=60 iops : min= 1, max= 23, avg=10.87, stdev= 4.88, samples=60 write: IOPS=13, BW=213KiB/s (218kB/s)(6544KiB/30701msec); 0 zone resets clat (usec): min=1606, max=301359, avg=36207.12, stdev=39020.38 lat (usec): min=1608, max=301361, avg=36216.37, stdev=39019.16 clat percentiles (usec): | 1.00th=[ 1893], 5.00th=[ 2474], 10.00th=[ 4228], 20.00th=[ 6521], | 30.00th=[ 9503], 40.00th=[ 13435], 50.00th=[ 21627], 60.00th=[ 34341], | 70.00th=[ 46400], 80.00th=[ 60556], 90.00th=[ 84411], 95.00th=[114820], | 99.00th=[173016], 99.50th=[196084], 99.90th=[299893], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 31, max= 351, per=25.92%, avg=212.53, stdev=83.33, samples=60 iops : min= 1, max= 21, avg=12.50, stdev= 5.27, samples=60 lat (usec) : 50=0.52%, 100=6.25%, 250=0.91%, 500=0.26%, 1000=0.13% lat (msec) : 2=0.91%, 4=4.04%, 10=11.98%, 20=10.29%, 50=32.94% lat (msec) : 100=25.78%, 250=5.73%, 500=0.26% cpu : usr=0.10%, sys=5.73%, ctx=1560, 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=144069: Tue Sep 8 09:31:03 2026 read: IOPS=12, BW=204KiB/s (209kB/s)(6256KiB/30620msec) clat (usec): min=42, max=267471, avg=41980.15, stdev=35975.15 lat (usec): min=42, max=267473, avg=41981.83, stdev=35975.32 clat percentiles (usec): | 1.00th=[ 45], 5.00th=[ 61], 10.00th=[ 76], 20.00th=[ 9241], | 30.00th=[ 24511], 40.00th=[ 32113], 50.00th=[ 38536], 60.00th=[ 44827], | 70.00th=[ 53216], 80.00th=[ 62653], 90.00th=[ 82314], 95.00th=[ 96994], | 99.00th=[196084], 99.50th=[227541], 99.90th=[267387], 99.95th=[267387], | 99.99th=[267387] bw ( KiB/s): min= 31, max= 407, per=26.33%, avg=205.37, stdev=94.23, samples=60 iops : min= 1, max= 25, avg=12.05, stdev= 5.90, samples=60 write: IOPS=12, BW=197KiB/s (202kB/s)(6032KiB/30620msec); 0 zone resets clat (usec): min=1605, max=275971, avg=37248.55, stdev=41127.10 lat (usec): min=1608, max=275974, avg=37262.84, stdev=41121.31 clat percentiles (usec): | 1.00th=[ 1827], 5.00th=[ 2507], 10.00th=[ 3752], 20.00th=[ 6063], | 30.00th=[ 8586], 40.00th=[ 14091], 50.00th=[ 23987], 60.00th=[ 33424], | 70.00th=[ 44303], 80.00th=[ 63701], 90.00th=[ 90702], 95.00th=[122160], | 99.00th=[189793], 99.50th=[208667], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 31, max= 413, per=24.00%, avg=196.77, stdev=84.47, samples=60 iops : min= 1, max= 25, avg=11.50, stdev= 5.29, samples=60 lat (usec) : 50=0.65%, 100=7.68%, 250=1.43%, 500=0.13% lat (msec) : 2=1.56%, 4=4.43%, 10=10.68%, 20=8.07%, 50=34.77% lat (msec) : 100=24.48%, 250=5.86%, 500=0.26% cpu : usr=0.07%, sys=5.72%, ctx=1586, 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=144070: Tue Sep 8 09:31:03 2026 read: IOPS=12, BW=203KiB/s (208kB/s)(6032KiB/29749msec) clat (usec): min=40, max=331628, avg=42886.77, stdev=35328.78 lat (usec): min=40, max=331630, avg=42888.11, stdev=35328.78 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 66], 10.00th=[ 76], 20.00th=[ 17171], | 30.00th=[ 27132], 40.00th=[ 32375], 50.00th=[ 40109], 60.00th=[ 47449], | 70.00th=[ 54264], 80.00th=[ 64226], 90.00th=[ 80217], 95.00th=[ 96994], | 99.00th=[160433], 99.50th=[242222], 99.90th=[333448], 99.95th=[333448], | 99.99th=[333448] bw ( KiB/s): min= 30, max= 414, per=26.31%, avg=205.19, stdev=84.69, samples=57 iops : min= 1, max= 25, avg=12.04, stdev= 5.31, samples=57 write: IOPS=13, BW=210KiB/s (215kB/s)(6256KiB/29749msec); 0 zone resets clat (usec): min=1498, max=347436, avg=34326.62, stdev=41985.03 lat (usec): min=1500, max=347440, avg=34337.22, stdev=41980.05 clat percentiles (usec): | 1.00th=[ 1713], 5.00th=[ 2343], 10.00th=[ 3458], 20.00th=[ 5800], | 30.00th=[ 8356], 40.00th=[ 11731], 50.00th=[ 19268], 60.00th=[ 28967], | 70.00th=[ 39060], 80.00th=[ 60031], 90.00th=[ 83362], 95.00th=[109577], | 99.00th=[191890], 99.50th=[329253], 99.90th=[346031], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 31, max= 413, per=26.14%, avg=214.35, stdev=87.69, samples=57 iops : min= 1, max= 25, avg=12.61, stdev= 5.47, samples=57 lat (usec) : 50=0.39%, 100=7.16%, 250=0.78%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=1.56%, 4=5.08%, 10=11.85%, 20=9.38%, 50=34.38% lat (msec) : 100=23.96%, 250=4.43%, 500=0.52% cpu : usr=0.09%, sys=5.88%, ctx=1531, 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=780KiB/s (799kB/s), 187KiB/s-204KiB/s (192kB/s-209kB/s), io=23.4MiB (24.5MB), run=29749-30701msec WRITE: bw=821KiB/s (841kB/s), 197KiB/s-213KiB/s (202kB/s-218kB/s), io=24.6MiB (25.8MB), run=29749-30701msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144072: Tue Sep 8 09:31:45 2026 read: IOPS=5, BW=82.8KiB/s (84.8kB/s)(5920KiB/71495msec) clat (msec): min=8, max=631, avg=42.64, stdev=51.12 lat (msec): min=8, max=631, avg=42.65, stdev=51.12 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 14], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 38], 80.00th=[ 52], 90.00th=[ 89], 95.00th=[ 131], | 99.00th=[ 243], 99.50th=[ 288], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 30, max= 286, per=28.17%, avg=93.23, stdev=58.03, samples=124 iops : min= 1, max= 17, avg= 5.01, stdev= 3.65, samples=124 write: IOPS=5, BW=89.1KiB/s (91.2kB/s)(6368KiB/71495msec); 0 zone resets clat (msec): min=54, max=621, avg=139.76, stdev=63.29 lat (msec): min=54, max=621, avg=139.77, stdev=63.29 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 71], 10.00th=[ 80], 20.00th=[ 95], | 30.00th=[ 104], 40.00th=[ 115], 50.00th=[ 126], 60.00th=[ 136], | 70.00th=[ 155], 80.00th=[ 178], 90.00th=[ 215], 95.00th=[ 264], | 99.00th=[ 393], 99.50th=[ 443], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 25, max= 160, per=25.97%, avg=90.38, stdev=37.45, samples=138 iops : min= 1, max= 10, avg= 4.83, stdev= 2.37, samples=138 lat (msec) : 10=0.52%, 20=11.85%, 50=25.39%, 100=20.18%, 250=39.06% lat (msec) : 500=2.73%, 750=0.26% cpu : usr=0.06%, sys=1.44%, ctx=1342, 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=144073: Tue Sep 8 09:31:45 2026 read: IOPS=4, BW=79.5KiB/s (81.4kB/s)(5744KiB/72287msec) clat (msec): min=9, max=288, avg=41.37, stdev=43.68 lat (msec): min=9, max=288, avg=41.37, stdev=43.68 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 37], 80.00th=[ 52], 90.00th=[ 90], 95.00th=[ 138], | 99.00th=[ 268], 99.50th=[ 284], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 26, max= 319, per=28.54%, avg=94.48, stdev=58.64, samples=120 iops : min= 1, max= 19, avg= 5.07, stdev= 3.75, samples=120 write: IOPS=5, BW=90.5KiB/s (92.7kB/s)(6544KiB/72287msec); 0 zone resets clat (msec): min=39, max=699, avg=140.30, stdev=69.66 lat (msec): min=39, max=699, avg=140.31, stdev=69.66 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 66], 10.00th=[ 74], 20.00th=[ 90], | 30.00th=[ 102], 40.00th=[ 112], 50.00th=[ 125], 60.00th=[ 144], | 70.00th=[ 157], 80.00th=[ 182], 90.00th=[ 220], 95.00th=[ 262], | 99.00th=[ 368], 99.50th=[ 422], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 26, max= 224, per=26.39%, avg=91.84, stdev=38.56, samples=140 iops : min= 1, max= 14, avg= 4.93, stdev= 2.47, samples=140 lat (msec) : 10=0.65%, 20=13.15%, 50=24.35%, 100=20.44%, 250=37.76% lat (msec) : 500=3.39%, 750=0.26% cpu : usr=0.07%, sys=1.36%, ctx=1310, 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=144074: Tue Sep 8 09:31:45 2026 read: IOPS=5, BW=88.8KiB/s (90.9kB/s)(6256KiB/70464msec) clat (msec): min=8, max=419, avg=40.30, stdev=41.01 lat (msec): min=8, max=419, avg=40.30, stdev=41.01 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 40], 80.00th=[ 51], 90.00th=[ 81], 95.00th=[ 118], | 99.00th=[ 234], 99.50th=[ 288], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 31, max= 319, per=29.40%, avg=97.31, stdev=64.51, samples=127 iops : min= 1, max= 19, avg= 5.28, stdev= 4.03, samples=127 write: IOPS=5, BW=85.6KiB/s (87.7kB/s)(6032KiB/70464msec); 0 zone resets clat (msec): min=51, max=702, avg=144.89, stdev=68.54 lat (msec): min=51, max=702, avg=144.89, stdev=68.54 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 72], 10.00th=[ 82], 20.00th=[ 94], | 30.00th=[ 104], 40.00th=[ 118], 50.00th=[ 132], 60.00th=[ 144], | 70.00th=[ 159], 80.00th=[ 182], 90.00th=[ 224], 95.00th=[ 284], | 99.00th=[ 355], 99.50th=[ 405], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 25, max= 160, per=24.46%, avg=85.12, stdev=34.75, samples=139 iops : min= 1, max= 10, avg= 4.50, stdev= 2.20, samples=139 lat (msec) : 10=1.30%, 20=13.80%, 50=25.65%, 100=19.79%, 250=35.94% lat (msec) : 500=3.39%, 750=0.13% cpu : usr=0.05%, sys=1.50%, ctx=1402, 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=144075: Tue Sep 8 09:31:45 2026 read: IOPS=5, BW=85.1KiB/s (87.1kB/s)(6032KiB/70892msec) clat (msec): min=6, max=406, avg=38.85, stdev=38.96 lat (msec): min=6, max=406, avg=38.85, stdev=38.96 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 52], 90.00th=[ 77], 95.00th=[ 107], | 99.00th=[ 169], 99.50th=[ 300], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 31, max= 347, per=28.94%, avg=95.80, stdev=65.88, samples=123 iops : min= 1, max= 21, avg= 5.17, stdev= 4.15, samples=123 write: IOPS=5, BW=88.2KiB/s (90.4kB/s)(6256KiB/70892msec); 0 zone resets clat (msec): min=46, max=508, avg=143.62, stdev=64.51 lat (msec): min=46, max=508, avg=143.64, stdev=64.51 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 73], 10.00th=[ 86], 20.00th=[ 95], | 30.00th=[ 107], 40.00th=[ 114], 50.00th=[ 127], 60.00th=[ 138], | 70.00th=[ 157], 80.00th=[ 180], 90.00th=[ 230], 95.00th=[ 264], | 99.00th=[ 401], 99.50th=[ 439], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 30, max= 191, per=25.62%, avg=89.17, stdev=35.62, samples=138 iops : min= 1, max= 11, avg= 4.76, stdev= 2.24, samples=138 lat (msec) : 10=0.65%, 20=13.41%, 50=24.87%, 100=20.05%, 250=37.76% lat (msec) : 500=3.12%, 750=0.13% cpu : usr=0.05%, sys=1.36%, ctx=1282, 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=331KiB/s (339kB/s), 79.5KiB/s-88.8KiB/s (81.4kB/s-90.9kB/s), io=23.4MiB (24.5MB), run=70464-72287msec WRITE: bw=349KiB/s (357kB/s), 85.6KiB/s-90.5KiB/s (87.7kB/s-92.7kB/s), io=24.6MiB (25.8MB), run=70464-72287msec 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=144094: Tue Sep 8 09:31:59 2026 read: IOPS=1, BW=1694KiB/s (1734kB/s)(7168KiB/4232msec) clat (msec): min=89, max=397, avg=202.23, stdev=130.56 lat (msec): min=89, max=397, avg=202.23, stdev=130.56 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 103], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 148], 60.00th=[ 190], | 70.00th=[ 190], 80.00th=[ 376], 90.00th=[ 397], 95.00th=[ 397], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 2003, max= 4290, per=70.05%, avg=2777.33, stdev=1310.13, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 write: IOPS=1, BW=1210KiB/s (1239kB/s)(5120KiB/4232msec); 0 zone resets clat (msec): min=306, max=830, avg=554.91, stdev=235.52 lat (msec): min=306, max=830, avg=555.03, stdev=235.52 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 651], 60.00th=[ 651], | 70.00th=[ 676], 80.00th=[ 676], 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= 1957, max= 4087, per=48.53%, avg=2694.33, stdev=1206.78, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=8.33%, 250=33.33%, 500=33.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=4.96%, ctx=95, 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=144095: Tue Sep 8 09:31:59 2026 read: IOPS=0, BW=397KiB/s (406kB/s)(2048KiB/5164msec) clat (msec): min=92, max=183, avg=138.28, stdev=64.23 lat (msec): min=92, max=183, avg=138.28, stdev=64.23 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 93], | 30.00th=[ 93], 40.00th=[ 93], 50.00th=[ 93], 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= 1438, max= 1957, per=42.81%, avg=1697.50, stdev=366.99, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1983KiB/s (2031kB/s)(10.0MiB/5164msec); 0 zone resets clat (msec): min=226, max=956, avg=484.92, stdev=271.08 lat (msec): min=227, max=957, avg=485.12, stdev=271.23 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 241], | 30.00th=[ 271], 40.00th=[ 284], 50.00th=[ 338], 60.00th=[ 468], | 70.00th=[ 472], 80.00th=[ 726], 90.00th=[ 869], 95.00th=[ 961], | 99.00th=[ 961], 99.50th=[ 961], 99.90th=[ 961], 99.95th=[ 961], | 99.99th=[ 961] bw ( KiB/s): min= 1438, max= 4015, per=39.89%, avg=2214.57, stdev=822.50, samples=7 iops : min= 1, max= 3, avg= 1.29, stdev= 0.76, samples=7 lat (msec) : 100=8.33%, 250=25.00%, 500=41.67%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=4.69%, ctx=67, 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=144096: Tue Sep 8 09:31:59 2026 read: IOPS=1, BW=1536KiB/s (1573kB/s)(6144KiB/3999msec) clat (msec): min=93, max=766, avg=279.04, stdev=261.39 lat (msec): min=93, max=766, avg=279.04, stdev=261.39 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 116], | 30.00th=[ 116], 40.00th=[ 134], 50.00th=[ 134], 60.00th=[ 178], | 70.00th=[ 388], 80.00th=[ 388], 90.00th=[ 768], 95.00th=[ 768], | 99.00th=[ 768], 99.50th=[ 768], 99.90th=[ 768], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 2000, max= 4000, per=63.57%, avg=2520.50, stdev=986.52, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1536KiB/s (1573kB/s)(6144KiB/3999msec); 0 zone resets clat (msec): min=218, max=755, avg=379.43, stdev=204.96 lat (msec): min=220, max=755, avg=379.74, stdev=204.86 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 220], 10.00th=[ 220], 20.00th=[ 251], | 30.00th=[ 251], 40.00th=[ 257], 50.00th=[ 257], 60.00th=[ 326], | 70.00th=[ 472], 80.00th=[ 472], 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= 1980, max= 4000, per=45.13%, avg=2505.50, stdev=996.53, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=33.33%, 500=41.67%, 1000=16.67% cpu : usr=0.00%, sys=3.73%, ctx=61, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144097: Tue Sep 8 09:31:59 2026 read: IOPS=1, BW=1112KiB/s (1139kB/s)(5120KiB/4603msec) clat (msec): min=79, max=801, avg=371.64, stdev=276.94 lat (msec): min=79, max=801, avg=371.65, stdev=276.94 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 80], 10.00th=[ 80], 20.00th=[ 80], | 30.00th=[ 209], 40.00th=[ 209], 50.00th=[ 317], 60.00th=[ 317], | 70.00th=[ 456], 80.00th=[ 456], 90.00th=[ 802], 95.00th=[ 802], | 99.00th=[ 802], 99.50th=[ 802], 99.90th=[ 802], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 2039, max= 4007, per=68.00%, avg=2696.33, stdev=1135.07, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1557KiB/s (1595kB/s)(7168KiB/4603msec); 0 zone resets clat (msec): min=206, max=925, avg=387.95, stdev=254.24 lat (msec): min=206, max=925, avg=388.10, stdev=254.23 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 207], 10.00th=[ 207], 20.00th=[ 207], | 30.00th=[ 230], 40.00th=[ 230], 50.00th=[ 321], 60.00th=[ 380], | 70.00th=[ 380], 80.00th=[ 447], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 2909, max= 4079, per=66.44%, avg=3689.00, stdev=675.50, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 lat (msec) : 100=8.33%, 250=33.33%, 500=41.67%, 1000=16.67% cpu : usr=0.00%, sys=3.54%, 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=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=3966KiB/s (4061kB/s), 397KiB/s-1694KiB/s (406kB/s-1734kB/s), io=20.0MiB (20.0MB), run=3999-5164msec WRITE: bw=5552KiB/s (5686kB/s), 1210KiB/s-1983KiB/s (1239kB/s-2031kB/s), io=28.0MiB (29.4MB), run=3999-5164msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144099: Tue Sep 8 09:32:00 2026 read: IOPS=2, BW=2447KiB/s (2506kB/s)(7168KiB/2929msec) clat (usec): min=611, max=288803, avg=133325.38, stdev=132523.69 lat (usec): min=612, max=288804, avg=133327.00, stdev=132523.68 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 611], 10.00th=[ 611], 20.00th=[ 775], | 30.00th=[ 3130], 40.00th=[ 3130], 50.00th=[135267], 60.00th=[233833], | 70.00th=[233833], 80.00th=[270533], 90.00th=[287310], 95.00th=[287310], | 99.00th=[287310], 99.50th=[287310], 99.90th=[287310], 99.95th=[287310], | 99.99th=[287310] bw ( KiB/s): min= 1988, max= 4039, per=71.82%, avg=3007.00, stdev=1142.80, samples=4 iops : min= 1, max= 3, avg= 2.25, stdev= 0.96, samples=4 write: IOPS=1, BW=1748KiB/s (1790kB/s)(5120KiB/2929msec); 0 zone resets clat (msec): min=215, max=663, avg=398.17, stdev=201.76 lat (msec): min=215, max=663, avg=398.24, stdev=201.76 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 215], 10.00th=[ 215], 20.00th=[ 215], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 567], 80.00th=[ 567], 90.00th=[ 667], 95.00th=[ 667], | 99.00th=[ 667], 99.50th=[ 667], 99.90th=[ 667], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 2019, max= 3976, per=45.71%, avg=2679.33, stdev=1123.01, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 4=8.33%, 250=25.00%, 500=33.33%, 750=16.67% cpu : usr=0.10%, sys=16.26%, ctx=163, 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=144100: Tue Sep 8 09:32:00 2026 read: IOPS=0, BW=419KiB/s (429kB/s)(2048KiB/4891msec) clat (msec): min=223, max=380, avg=302.15, stdev=110.60 lat (msec): min=223, max=380, avg=302.16, stdev=110.60 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 224], 10.00th=[ 224], 20.00th=[ 224], | 30.00th=[ 224], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 380], | 70.00th=[ 380], 80.00th=[ 380], 90.00th=[ 380], 95.00th=[ 380], | 99.00th=[ 380], 99.50th=[ 380], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 1868, max= 2039, per=46.66%, avg=1953.50, stdev=120.92, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2094KiB/s (2144kB/s)(10.0MiB/4891msec); 0 zone resets clat (msec): min=151, max=948, avg=428.45, stdev=245.34 lat (msec): min=151, max=948, avg=428.58, stdev=245.30 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 153], 10.00th=[ 153], 20.00th=[ 176], | 30.00th=[ 262], 40.00th=[ 296], 50.00th=[ 388], 60.00th=[ 393], | 70.00th=[ 414], 80.00th=[ 617], 90.00th=[ 642], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 2003, max= 4096, per=51.90%, avg=3042.17, stdev=1111.55, samples=6 iops : min= 1, max= 4, avg= 2.33, stdev= 1.51, samples=6 lat (msec) : 250=25.00%, 500=50.00%, 750=16.67%, 1000=8.33% cpu : usr=0.02%, sys=11.15%, ctx=184, 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=144101: Tue Sep 8 09:32:00 2026 read: IOPS=1, BW=1552KiB/s (1589kB/s)(6144KiB/3960msec) clat (usec): min=1770, max=432519, avg=248833.69, stdev=163153.99 lat (usec): min=1770, max=432521, avg=248835.44, stdev=163154.34 clat percentiles (usec): | 1.00th=[ 1778], 5.00th=[ 1778], 10.00th=[ 1778], 20.00th=[113771], | 30.00th=[113771], 40.00th=[246416], 50.00th=[246416], 60.00th=[337642], | 70.00th=[358613], 80.00th=[358613], 90.00th=[434111], 95.00th=[434111], | 99.00th=[434111], 99.50th=[434111], 99.90th=[434111], 99.95th=[434111], | 99.99th=[434111] bw ( KiB/s): min= 1988, max= 4039, per=60.36%, avg=2527.25, stdev=1008.14, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1552KiB/s (1589kB/s)(6144KiB/3960msec); 0 zone resets clat (msec): min=249, max=622, avg=410.74, stdev=143.78 lat (msec): min=249, max=622, avg=410.84, stdev=143.77 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 249], 10.00th=[ 249], 20.00th=[ 296], | 30.00th=[ 296], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 397], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 625], 95.00th=[ 625], | 99.00th=[ 625], 99.50th=[ 625], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 1988, max= 2900, per=37.58%, avg=2202.80, stdev=390.46, samples=5 iops : min= 1, max= 2, avg= 1.40, stdev= 0.55, samples=5 lat (msec) : 2=8.33%, 250=25.00%, 500=50.00%, 750=16.67% cpu : usr=0.00%, sys=13.74%, ctx=209, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144102: Tue Sep 8 09:32:00 2026 read: IOPS=1, BW=1242KiB/s (1272kB/s)(5120KiB/4121msec) clat (usec): min=620, max=230305, avg=78860.84, stdev=109581.87 lat (usec): min=621, max=230306, avg=78861.99, stdev=109581.31 clat percentiles (usec): | 1.00th=[ 619], 5.00th=[ 619], 10.00th=[ 619], 20.00th=[ 619], | 30.00th=[ 922], 40.00th=[ 922], 50.00th=[ 955], 60.00th=[ 955], | 70.00th=[162530], 80.00th=[162530], 90.00th=[229639], 95.00th=[229639], | 99.00th=[229639], 99.50th=[229639], 99.90th=[229639], 99.95th=[229639], | 99.99th=[229639] bw ( KiB/s): min= 2039, max= 6131, per=97.56%, avg=4085.00, stdev=2893.48, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1739KiB/s (1781kB/s)(7168KiB/4121msec); 0 zone resets clat (msec): min=160, max=980, avg=531.31, stdev=271.40 lat (msec): min=160, max=980, avg=532.12, stdev=271.00 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 342], | 30.00th=[ 430], 40.00th=[ 430], 50.00th=[ 456], 60.00th=[ 600], | 70.00th=[ 600], 80.00th=[ 751], 90.00th=[ 978], 95.00th=[ 978], | 99.00th=[ 978], 99.50th=[ 978], 99.90th=[ 978], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 2019, max= 4079, per=52.14%, avg=3056.25, stdev=1181.03, samples=4 iops : min= 1, max= 3, avg= 2.25, stdev= 0.96, samples=4 lat (usec) : 750=8.33%, 1000=16.67% lat (msec) : 250=25.00%, 500=25.00%, 750=16.67%, 1000=8.33% cpu : usr=0.10%, sys=10.56%, ctx=144, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4187KiB/s (4288kB/s), 419KiB/s-2447KiB/s (429kB/s-2506kB/s), io=20.0MiB (20.0MB), run=2929-4891msec WRITE: bw=5862KiB/s (6003kB/s), 1552KiB/s-2094KiB/s (1589kB/s-2144kB/s), io=28.0MiB (29.4MB), run=2929-4891msec 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=144112: Tue Sep 8 09:32:14 2026 read: IOPS=0, BW=3974KiB/s (4070kB/s)(12.0MiB/3092msec) clat (msec): min=747, max=1189, avg=915.95, stdev=239.16 lat (msec): min=747, max=1189, avg=915.95, stdev=239.16 clat percentiles (msec): | 1.00th=[ 751], 5.00th=[ 751], 10.00th=[ 751], 20.00th=[ 751], | 30.00th=[ 751], 40.00th=[ 810], 50.00th=[ 810], 60.00th=[ 810], | 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=100.00%, avg=8143.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.03%, sys=5.50%, ctx=53, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=144113: Tue Sep 8 09:32:14 2026 read: IOPS=0, BW=1333KiB/s (1365kB/s)(4096KiB/3073msec) clat (nsec): min=975542k, max=975542k, avg=975541528.00, stdev= 0.00 lat (nsec): min=975545k, max=975545k, avg=975544657.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 978], 5.00th=[ 978], 10.00th=[ 978], 20.00th=[ 978], | 30.00th=[ 978], 40.00th=[ 978], 50.00th=[ 978], 60.00th=[ 978], | 70.00th=[ 978], 80.00th=[ 978], 90.00th=[ 978], 95.00th=[ 978], | 99.00th=[ 978], 99.50th=[ 978], 99.90th=[ 978], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2666KiB/s (2730kB/s)(8192KiB/3073msec); 0 zone resets clat (msec): min=729, max=1165, avg=947.63, stdev=308.37 lat (msec): min=730, max=1165, avg=948.00, stdev=308.18 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=[ 1167], | 70.00th=[ 1167], 80.00th=[ 1167], 90.00th=[ 1167], 95.00th=[ 1167], | 99.00th=[ 1167], 99.50th=[ 1167], 99.90th=[ 1167], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 8078, max= 8078, per=83.87%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=5.44%, ctx=66, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144115: Tue Sep 8 09:32:14 2026 write: IOPS=0, BW=3612KiB/s (3699kB/s)(12.0MiB/3402msec); 0 zone resets clat (msec): min=322, max=1878, avg=1107.53, stdev=778.21 lat (msec): min=322, max=1878, avg=1107.90, stdev=778.26 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 321], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 1871], 80.00th=[ 1871], 90.00th=[ 1871], 95.00th=[ 1871], | 99.00th=[ 1871], 99.50th=[ 1871], 99.90th=[ 1871], 99.95th=[ 1871], | 99.99th=[ 1871] bw ( KiB/s): min= 8143, max= 8192, per=84.80%, avg=8167.50, stdev=34.65, 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=0.00%, sys=4.23%, ctx=28, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144118: Tue Sep 8 09:32:14 2026 write: IOPS=1, BW=4686KiB/s (4799kB/s)(12.0MiB/2622msec); 0 zone resets clat (msec): min=309, max=1804, avg=857.05, stdev=823.84 lat (msec): min=310, max=1805, avg=857.54, stdev=823.88 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 456], 50.00th=[ 456], 60.00th=[ 456], | 70.00th=[ 1804], 80.00th=[ 1804], 90.00th=[ 1804], 95.00th=[ 1804], | 99.00th=[ 1804], 99.50th=[ 1804], 99.90th=[ 1804], 99.95th=[ 1804], | 99.99th=[ 1804] bw ( KiB/s): min= 5557, max= 8143, per=71.12%, avg=6850.00, stdev=1828.58, 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=5.23%, 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 Run status group 0 (all jobs): READ: bw=5299KiB/s (5426kB/s), 1333KiB/s-3974KiB/s (1365kB/s-4070kB/s), io=16.0MiB (16.8MB), run=3073-3092msec WRITE: bw=9632KiB/s (9863kB/s), 2666KiB/s-4686KiB/s (2730kB/s-4799kB/s), io=32.0MiB (33.6MB), run=2622-3402msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144114: Tue Sep 8 09:32:14 2026 read: IOPS=1, BW=4602KiB/s (4713kB/s)(12.0MiB/2670msec) clat (msec): min=757, max=1022, avg=875.20, stdev=134.61 lat (msec): min=757, max=1022, avg=875.21, stdev=134.61 clat percentiles (msec): | 1.00th=[ 760], 5.00th=[ 760], 10.00th=[ 760], 20.00th=[ 760], | 30.00th=[ 760], 40.00th=[ 844], 50.00th=[ 844], 60.00th=[ 844], | 70.00th=[ 1020], 80.00th=[ 1020], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 8143, max= 8192, per=100.00%, avg=8167.50, stdev=34.65, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.04%, sys=14.57%, ctx=441, 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=144116: Tue Sep 8 09:32:14 2026 read: IOPS=0, BW=1574KiB/s (1611kB/s)(4096KiB/2603msec) clat (nsec): min=662683k, max=662683k, avg=662683295.00, stdev= 0.00 lat (nsec): min=662686k, max=662686k, avg=662685893.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 659], 5.00th=[ 659], 10.00th=[ 659], 20.00th=[ 659], | 30.00th=[ 659], 40.00th=[ 659], 50.00th=[ 659], 60.00th=[ 659], | 70.00th=[ 659], 80.00th=[ 659], 90.00th=[ 659], 95.00th=[ 659], | 99.00th=[ 659], 99.50th=[ 659], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 8094, max= 8094, per=100.00%, avg=8094.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3147KiB/s (3223kB/s)(8192KiB/2603msec); 0 zone resets clat (msec): min=379, max=1389, avg=884.55, stdev=714.30 lat (msec): min=379, max=1389, avg=884.89, stdev=714.33 clat percentiles (msec): | 1.00th=[ 380], 5.00th=[ 380], 10.00th=[ 380], 20.00th=[ 380], | 30.00th=[ 380], 40.00th=[ 380], 50.00th=[ 380], 60.00th=[ 1385], | 70.00th=[ 1385], 80.00th=[ 1385], 90.00th=[ 1385], 95.00th=[ 1385], | 99.00th=[ 1385], 99.50th=[ 1385], 99.90th=[ 1385], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 8126, max= 8126, per=89.23%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=9.30%, ctx=100, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144117: Tue Sep 8 09:32:14 2026 write: IOPS=0, BW=3415KiB/s (3497kB/s)(12.0MiB/3598msec); 0 zone resets clat (msec): min=219, max=3023, avg=1186.27, stdev=1591.85 lat (msec): min=219, max=3023, avg=1186.69, stdev=1591.72 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 220], 10.00th=[ 220], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 317], 50.00th=[ 317], 60.00th=[ 317], | 70.00th=[ 3037], 80.00th=[ 3037], 90.00th=[ 3037], 95.00th=[ 3037], | 99.00th=[ 3037], 99.50th=[ 3037], 99.90th=[ 3037], 99.95th=[ 3037], | 99.99th=[ 3037] bw ( KiB/s): min= 8192, max= 8192, per=89.95%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.67%, ctx=51, 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=144119: Tue Sep 8 09:32:14 2026 write: IOPS=1, BW=4246KiB/s (4348kB/s)(12.0MiB/2894msec); 0 zone resets clat (msec): min=400, max=1711, avg=918.03, stdev=697.55 lat (msec): min=401, max=1711, avg=918.42, stdev=697.57 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 401], 10.00th=[ 401], 20.00th=[ 401], | 30.00th=[ 401], 40.00th=[ 642], 50.00th=[ 642], 60.00th=[ 642], | 70.00th=[ 1720], 80.00th=[ 1720], 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=16189, max=16189, per=100.00%, avg=16189.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=4.60%, ctx=70, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6136KiB/s (6284kB/s), 1574KiB/s-4602KiB/s (1611kB/s-4713kB/s), io=16.0MiB (16.8MB), run=2603-2670msec WRITE: bw=9107KiB/s (9326kB/s), 3147KiB/s-4246KiB/s (3223kB/s-4348kB/s), io=32.0MiB (33.6MB), run=2603-3598msec