== sanity test 398b: DIO and buffer IO race ============== 18:04:27 (1789077867) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.47611 s, 7.8 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=145966: Thu Sep 10 18:07:05 2026 read: IOPS=11, BW=44.2KiB/s (45.3kB/s)(5992KiB/135515msec) clat (usec): min=29, max=401339, avg=42735.24, stdev=33456.50 lat (usec): min=29, max=401341, avg=42736.50, stdev=33456.46 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 54], 10.00th=[ 73], 20.00th=[ 17433], | 30.00th=[ 24773], 40.00th=[ 30016], 50.00th=[ 37487], 60.00th=[ 44827], | 70.00th=[ 52691], 80.00th=[ 64226], 90.00th=[ 83362], 95.00th=[102237], | 99.00th=[147850], 99.50th=[170918], 99.90th=[240124], 99.95th=[400557], | 99.99th=[400557] bw ( KiB/s): min= 7, max= 126, per=25.35%, avg=43.60, stdev=20.29, samples=267 iops : min= 1, max= 31, avg=10.26, stdev= 5.10, samples=267 write: IOPS=11, BW=46.5KiB/s (47.6kB/s)(6296KiB/135515msec); 0 zone resets clat (usec): min=914, max=310524, avg=45339.08, stdev=45802.23 lat (usec): min=916, max=310525, avg=45348.26, stdev=45804.81 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1205], 10.00th=[ 1549], 20.00th=[ 5080], | 30.00th=[ 9896], 40.00th=[ 21103], 50.00th=[ 34341], 60.00th=[ 44827], | 70.00th=[ 59507], 80.00th=[ 79168], 90.00th=[109577], 95.00th=[132645], | 99.00th=[193987], 99.50th=[233833], 99.90th=[287310], 99.95th=[312476], | 99.99th=[312476] bw ( KiB/s): min= 7, max= 104, per=25.50%, avg=45.89, stdev=19.18, samples=267 iops : min= 1, max= 26, avg=10.83, stdev= 4.84, samples=267 lat (usec) : 50=1.30%, 100=4.26%, 250=0.46%, 750=0.07%, 1000=0.10% lat (msec) : 2=5.83%, 4=3.06%, 10=6.77%, 20=9.73%, 50=33.53% lat (msec) : 100=25.75%, 250=8.95%, 500=0.20% cpu : usr=0.06%, sys=4.78%, ctx=6227, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145967: Thu Sep 10 18:07:05 2026 read: IOPS=10, BW=43.4KiB/s (44.5kB/s)(5940KiB/136785msec) clat (usec): min=32, max=363453, avg=43278.03, stdev=33625.41 lat (usec): min=33, max=363454, avg=43288.04, stdev=33630.30 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 57], 10.00th=[ 75], 20.00th=[ 20055], | 30.00th=[ 25560], 40.00th=[ 31327], 50.00th=[ 37487], 60.00th=[ 44827], | 70.00th=[ 53216], 80.00th=[ 65274], 90.00th=[ 84411], 95.00th=[100140], | 99.00th=[143655], 99.50th=[175113], 99.90th=[329253], 99.95th=[362808], | 99.99th=[362808] bw ( KiB/s): min= 6, max= 96, per=25.14%, avg=43.25, stdev=18.97, samples=267 iops : min= 1, max= 24, avg=10.18, stdev= 4.77, samples=267 write: IOPS=11, BW=46.4KiB/s (47.5kB/s)(6348KiB/136785msec); 0 zone resets clat (usec): min=937, max=434661, avg=45549.66, stdev=46976.01 lat (usec): min=937, max=434663, avg=45556.50, stdev=46973.02 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1172], 10.00th=[ 1450], 20.00th=[ 4293], | 30.00th=[ 9896], 40.00th=[ 22414], 50.00th=[ 35390], 60.00th=[ 47973], | 70.00th=[ 60031], 80.00th=[ 76022], 90.00th=[103285], 95.00th=[133694], | 99.00th=[210764], 99.50th=[242222], 99.90th=[337642], 99.95th=[434111], | 99.99th=[434111] bw ( KiB/s): min= 7, max= 127, per=25.55%, avg=45.99, stdev=19.27, samples=268 iops : min= 1, max= 31, avg=10.85, stdev= 4.83, samples=268 lat (usec) : 50=0.75%, 100=4.52%, 250=0.42%, 500=0.13%, 750=0.03% lat (usec) : 1000=0.13% lat (msec) : 2=6.35%, 4=3.87%, 10=5.60%, 20=7.13%, 50=35.12% lat (msec) : 100=27.73%, 250=7.88%, 500=0.33% cpu : usr=0.07%, sys=4.89%, ctx=6225, 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=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=145968: Thu Sep 10 18:07:05 2026 read: IOPS=10, BW=43.4KiB/s (44.4kB/s)(6028KiB/139030msec) clat (usec): min=28, max=198804, avg=43340.31, stdev=32597.92 lat (usec): min=28, max=198805, avg=43347.63, stdev=32606.87 clat percentiles (usec): | 1.00th=[ 45], 5.00th=[ 56], 10.00th=[ 69], 20.00th=[ 17433], | 30.00th=[ 23987], 40.00th=[ 30540], 50.00th=[ 36963], 60.00th=[ 44827], | 70.00th=[ 54789], 80.00th=[ 68682], 90.00th=[ 86508], 95.00th=[104334], | 99.00th=[139461], 99.50th=[156238], 99.90th=[196084], 99.95th=[198181], | 99.99th=[198181] bw ( KiB/s): min= 7, max= 117, per=24.97%, avg=42.95, stdev=19.97, samples=273 iops : min= 1, max= 29, avg=10.10, stdev= 5.05, samples=273 write: IOPS=11, BW=45.0KiB/s (46.1kB/s)(6260KiB/139030msec); 0 zone resets clat (usec): min=901, max=370379, avg=47004.29, stdev=49002.08 lat (usec): min=903, max=370379, avg=47008.09, stdev=49002.61 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1172], 10.00th=[ 1385], 20.00th=[ 4293], | 30.00th=[ 11076], 40.00th=[ 22676], 50.00th=[ 34341], 60.00th=[ 47449], | 70.00th=[ 61080], 80.00th=[ 80217], 90.00th=[108528], 95.00th=[143655], | 99.00th=[217056], 99.50th=[240124], 99.90th=[329253], 99.95th=[371196], | 99.99th=[371196] bw ( KiB/s): min= 7, max= 135, per=24.81%, avg=44.67, stdev=19.46, samples=273 iops : min= 1, max= 33, avg=10.52, stdev= 4.90, samples=273 lat (usec) : 50=1.01%, 100=4.56%, 250=0.29%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.26% lat (msec) : 2=6.80%, 4=2.96%, 10=5.31%, 20=10.22%, 50=32.03% lat (msec) : 100=27.34%, 250=8.95%, 500=0.16% cpu : usr=0.06%, sys=5.09%, ctx=6379, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145969: Thu Sep 10 18:07:05 2026 read: IOPS=10, BW=43.5KiB/s (44.5kB/s)(6052KiB/139199msec) clat (usec): min=32, max=327464, avg=41983.81, stdev=33788.57 lat (usec): min=32, max=327465, avg=41996.63, stdev=33798.24 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 72], 20.00th=[ 16057], | 30.00th=[ 23462], 40.00th=[ 28967], 50.00th=[ 36439], 60.00th=[ 43254], | 70.00th=[ 52691], 80.00th=[ 64226], 90.00th=[ 86508], 95.00th=[102237], | 99.00th=[147850], 99.50th=[181404], 99.90th=[299893], 99.95th=[329253], | 99.99th=[329253] bw ( KiB/s): min= 7, max= 159, per=25.63%, avg=44.08, stdev=20.76, samples=267 iops : min= 1, max= 39, avg=10.37, stdev= 5.21, samples=267 write: IOPS=11, BW=44.8KiB/s (45.9kB/s)(6236KiB/139199msec); 0 zone resets clat (usec): min=952, max=388976, avg=48432.17, stdev=48982.62 lat (usec): min=954, max=390102, avg=48434.54, stdev=48987.66 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1188], 10.00th=[ 1434], 20.00th=[ 4293], | 30.00th=[ 10159], 40.00th=[ 22938], 50.00th=[ 36439], 60.00th=[ 50594], | 70.00th=[ 65799], 80.00th=[ 83362], 90.00th=[113771], 95.00th=[137364], | 99.00th=[219153], 99.50th=[252707], 99.90th=[312476], 99.95th=[387974], | 99.99th=[387974] bw ( KiB/s): min= 7, max= 149, per=24.54%, avg=44.18, stdev=20.38, samples=274 iops : min= 1, max= 37, avg=10.41, stdev= 5.12, samples=274 lat (usec) : 50=0.85%, 100=5.01%, 250=0.33%, 500=0.10%, 750=0.07% lat (usec) : 1000=0.07% lat (msec) : 2=6.35%, 4=3.58%, 10=5.79%, 20=9.21%, 50=31.87% lat (msec) : 100=26.73%, 250=9.73%, 500=0.33% cpu : usr=0.07%, sys=4.94%, ctx=6384, 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=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=173KiB/s (177kB/s), 43.4KiB/s-44.2KiB/s (44.4kB/s-45.3kB/s), io=23.4MiB (24.6MB), run=135515-139199msec WRITE: bw=181KiB/s (185kB/s), 44.8KiB/s-46.5KiB/s (45.9kB/s-47.6kB/s), io=24.6MiB (25.7MB), run=135515-139199msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145961: Thu Sep 10 18:09:38 2026 read: IOPS=5, BW=20.4KiB/s (20.9kB/s)(5992KiB/294098msec) clat (msec): min=5, max=1340, avg=39.23, stdev=53.95 lat (msec): min=5, max=1340, avg=39.23, stdev=53.95 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 40], 80.00th=[ 52], 90.00th=[ 79], 95.00th=[ 116], | 99.00th=[ 207], 99.50th=[ 321], 99.90th=[ 531], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 103, per=28.73%, avg=23.27, stdev=16.62, samples=494 iops : min= 1, max= 25, avg= 5.19, stdev= 4.22, samples=494 write: IOPS=5, BW=21.4KiB/s (21.9kB/s)(6296KiB/294098msec); 0 zone resets clat (msec): min=38, max=542, avg=149.20, stdev=72.42 lat (msec): min=38, max=542, avg=149.20, stdev=72.42 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 63], 10.00th=[ 75], 20.00th=[ 92], | 30.00th=[ 104], 40.00th=[ 116], 50.00th=[ 133], 60.00th=[ 150], | 70.00th=[ 171], 80.00th=[ 199], 90.00th=[ 255], 95.00th=[ 296], | 99.00th=[ 363], 99.50th=[ 409], 99.90th=[ 493], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 7, max= 63, per=24.81%, avg=21.09, stdev=10.22, samples=571 iops : min= 1, max= 15, avg= 4.64, stdev= 2.62, samples=571 lat (msec) : 10=3.71%, 20=14.36%, 50=21.42%, 100=20.05%, 250=34.70% lat (msec) : 500=5.66%, 750=0.07%, 2000=0.03% cpu : usr=0.04%, sys=1.00%, ctx=5197, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145962: Thu Sep 10 18:09:38 2026 read: IOPS=5, BW=20.3KiB/s (20.7kB/s)(5940KiB/293276msec) clat (msec): min=5, max=1312, avg=39.48, stdev=51.49 lat (msec): min=5, max=1312, avg=39.48, stdev=51.49 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 41], 80.00th=[ 54], 90.00th=[ 80], 95.00th=[ 110], | 99.00th=[ 201], 99.50th=[ 251], 99.90th=[ 468], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 7, max= 87, per=28.82%, avg=23.34, stdev=16.17, samples=491 iops : min= 1, max= 21, avg= 5.22, stdev= 4.11, samples=491 write: IOPS=5, BW=21.6KiB/s (22.2kB/s)(6348KiB/293276msec); 0 zone resets clat (msec): min=35, max=543, avg=147.54, stdev=73.09 lat (msec): min=35, max=543, avg=147.54, stdev=73.09 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 65], 10.00th=[ 73], 20.00th=[ 89], | 30.00th=[ 103], 40.00th=[ 115], 50.00th=[ 131], 60.00th=[ 146], | 70.00th=[ 167], 80.00th=[ 197], 90.00th=[ 247], 95.00th=[ 292], | 99.00th=[ 401], 99.50th=[ 456], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 7, max= 55, per=25.51%, avg=21.69, stdev=10.16, samples=563 iops : min= 1, max= 13, avg= 4.79, stdev= 2.61, samples=563 lat (msec) : 10=3.39%, 20=14.00%, 50=20.70%, 100=22.01%, 250=34.90% lat (msec) : 500=4.88%, 750=0.10%, 2000=0.03% cpu : usr=0.04%, sys=1.07%, ctx=5335, 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=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=145963: Thu Sep 10 18:09:38 2026 read: IOPS=5, BW=20.5KiB/s (21.0kB/s)(6028KiB/293569msec) clat (msec): min=5, max=521, avg=40.30, stdev=43.43 lat (msec): min=5, max=521, avg=40.31, stdev=43.43 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 42], 80.00th=[ 57], 90.00th=[ 86], 95.00th=[ 117], | 99.00th=[ 197], 99.50th=[ 255], 99.90th=[ 468], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 7, max= 79, per=28.59%, avg=23.16, stdev=15.63, samples=501 iops : min= 1, max= 19, avg= 5.16, stdev= 3.93, samples=501 write: IOPS=5, BW=21.3KiB/s (21.8kB/s)(6260KiB/293569msec); 0 zone resets clat (msec): min=34, max=1509, avg=148.45, stdev=80.77 lat (msec): min=34, max=1509, avg=148.45, stdev=80.77 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 65], 10.00th=[ 75], 20.00th=[ 89], | 30.00th=[ 103], 40.00th=[ 115], 50.00th=[ 130], 60.00th=[ 150], | 70.00th=[ 167], 80.00th=[ 194], 90.00th=[ 247], 95.00th=[ 292], | 99.00th=[ 388], 99.50th=[ 447], 99.90th=[ 600], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 7, max= 55, per=25.12%, avg=21.35, stdev=10.04, samples=562 iops : min= 1, max= 13, avg= 4.71, stdev= 2.58, samples=562 lat (msec) : 10=4.00%, 20=13.09%, 50=21.65%, 100=21.16%, 250=34.93% lat (msec) : 500=5.01%, 750=0.13%, 2000=0.03% cpu : usr=0.04%, sys=1.04%, ctx=5314, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145964: Thu Sep 10 18:09:38 2026 read: IOPS=5, BW=20.9KiB/s (21.4kB/s)(6052KiB/289546msec) clat (msec): min=5, max=325, avg=38.38, stdev=36.77 lat (msec): min=5, max=325, avg=38.38, stdev=36.77 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 40], 80.00th=[ 53], 90.00th=[ 87], 95.00th=[ 115], | 99.00th=[ 184], 99.50th=[ 218], 99.90th=[ 288], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 7, max= 120, per=30.11%, avg=24.39, stdev=17.02, samples=479 iops : min= 1, max= 30, avg= 5.47, stdev= 4.31, samples=479 write: IOPS=5, BW=21.5KiB/s (22.1kB/s)(6236KiB/289546msec); 0 zone resets clat (msec): min=33, max=1384, avg=148.18, stdev=78.41 lat (msec): min=33, max=1384, avg=148.18, stdev=78.41 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 65], 10.00th=[ 75], 20.00th=[ 89], | 30.00th=[ 102], 40.00th=[ 113], 50.00th=[ 129], 60.00th=[ 146], | 70.00th=[ 171], 80.00th=[ 199], 90.00th=[ 249], 95.00th=[ 296], | 99.00th=[ 388], 99.50th=[ 414], 99.90th=[ 498], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 55, per=24.96%, avg=21.21, stdev=10.02, samples=564 iops : min= 1, max= 13, avg= 4.67, stdev= 2.57, samples=564 lat (msec) : 10=3.81%, 20=14.52%, 50=21.19%, 100=20.70%, 250=34.70% lat (msec) : 500=5.05%, 2000=0.03% cpu : usr=0.04%, sys=1.05%, ctx=5172, 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=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=81.6KiB/s (83.6kB/s), 20.3KiB/s-20.9KiB/s (20.7kB/s-21.4kB/s), io=23.4MiB (24.6MB), run=289546-294098msec WRITE: bw=85.5KiB/s (87.5kB/s), 21.3KiB/s-21.6KiB/s (21.8kB/s-22.2kB/s), io=24.6MiB (25.7MB), run=289546-294098msec 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=146024: Thu Sep 10 18:10:14 2026 read: IOPS=14, BW=225KiB/s (230kB/s)(5920KiB/26361msec) clat (usec): min=34, max=189855, avg=35506.72, stdev=30970.25 lat (usec): min=34, max=189855, avg=35507.89, stdev=30970.28 clat percentiles (usec): | 1.00th=[ 39], 5.00th=[ 56], 10.00th=[ 60], 20.00th=[ 83], | 30.00th=[ 15533], 40.00th=[ 25297], 50.00th=[ 33817], 60.00th=[ 40633], | 70.00th=[ 49546], 80.00th=[ 60556], 90.00th=[ 74974], 95.00th=[ 88605], | 99.00th=[130548], 99.50th=[154141], 99.90th=[189793], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 63, max= 636, per=25.15%, avg=224.62, stdev=101.80, samples=52 iops : min= 3, max= 39, avg=13.31, stdev= 6.38, samples=52 write: IOPS=15, BW=242KiB/s (247kB/s)(6368KiB/26361msec); 0 zone resets clat (usec): min=1474, max=266033, avg=32565.49, stdev=37451.34 lat (usec): min=1477, max=266035, avg=32567.84, stdev=37451.52 clat percentiles (usec): | 1.00th=[ 1549], 5.00th=[ 1795], 10.00th=[ 2311], 20.00th=[ 4228], | 30.00th=[ 8029], 40.00th=[ 12649], 50.00th=[ 19006], 60.00th=[ 28967], | 70.00th=[ 39584], 80.00th=[ 54264], 90.00th=[ 78119], 95.00th=[101188], | 99.00th=[202376], 99.50th=[238027], 99.90th=[265290], 99.95th=[265290], | 99.99th=[265290] bw ( KiB/s): min= 31, max= 571, per=25.67%, avg=241.00, stdev=117.90, samples=52 iops : min= 1, max= 35, avg=14.35, stdev= 7.37, samples=52 lat (usec) : 50=1.56%, 100=9.11%, 250=1.17%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=4.04%, 4=6.12%, 10=8.07%, 20=12.37%, 50=31.64% lat (msec) : 100=21.22%, 250=4.04%, 500=0.13% cpu : usr=0.09%, sys=6.38%, ctx=1452, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146025: Thu Sep 10 18:10:14 2026 read: IOPS=14, BW=224KiB/s (230kB/s)(5744KiB/25610msec) clat (usec): min=39, max=154010, avg=36407.43, stdev=29285.45 lat (usec): min=39, max=154012, avg=36408.70, stdev=29285.51 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 89], | 30.00th=[ 21627], 40.00th=[ 27395], 50.00th=[ 33817], 60.00th=[ 42730], | 70.00th=[ 50070], 80.00th=[ 59507], 90.00th=[ 73925], 95.00th=[ 90702], | 99.00th=[123208], 99.50th=[127402], 99.90th=[154141], 99.95th=[154141], | 99.99th=[154141] bw ( KiB/s): min= 59, max= 409, per=25.03%, avg=223.56, stdev=84.25, samples=50 iops : min= 3, max= 25, avg=13.24, stdev= 5.27, samples=50 write: IOPS=15, BW=256KiB/s (262kB/s)(6544KiB/25610msec); 0 zone resets clat (usec): min=1366, max=222235, avg=29949.60, stdev=34827.66 lat (usec): min=1367, max=222237, avg=29960.03, stdev=34857.07 clat percentiles (usec): | 1.00th=[ 1483], 5.00th=[ 1926], 10.00th=[ 2606], 20.00th=[ 4080], | 30.00th=[ 6128], 40.00th=[ 8717], 50.00th=[ 15533], 60.00th=[ 26084], | 70.00th=[ 39060], 80.00th=[ 51643], 90.00th=[ 73925], 95.00th=[101188], | 99.00th=[160433], 99.50th=[168821], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 62, max= 666, per=27.19%, avg=255.28, stdev=122.10, samples=50 iops : min= 3, max= 41, avg=15.22, stdev= 7.69, samples=50 lat (usec) : 50=1.43%, 100=8.46%, 250=0.65%, 500=0.26%, 750=0.13% lat (msec) : 2=3.78%, 4=6.51%, 10=12.50%, 20=8.33%, 50=32.81% lat (msec) : 100=20.70%, 250=4.43% cpu : usr=0.05%, sys=6.32%, ctx=1348, 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=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=146027: Thu Sep 10 18:10:14 2026 read: IOPS=14, BW=233KiB/s (239kB/s)(6256KiB/26811msec) clat (usec): min=36, max=362222, avg=36656.25, stdev=38102.35 lat (usec): min=36, max=362223, avg=36662.19, stdev=38102.23 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 56], 10.00th=[ 60], 20.00th=[ 80], | 30.00th=[ 17957], 40.00th=[ 24511], 50.00th=[ 30802], 60.00th=[ 39060], | 70.00th=[ 48497], 80.00th=[ 57934], 90.00th=[ 73925], 95.00th=[ 89654], | 99.00th=[164627], 99.50th=[354419], 99.90th=[362808], 99.95th=[362808], | 99.99th=[362808] bw ( KiB/s): min= 63, max= 539, per=25.90%, avg=231.27, stdev=101.35, samples=52 iops : min= 3, max= 33, avg=13.73, stdev= 6.37, samples=52 write: IOPS=14, BW=225KiB/s (230kB/s)(6032KiB/26811msec); 0 zone resets clat (usec): min=1442, max=280280, avg=32302.97, stdev=35116.97 lat (usec): min=1443, max=280282, avg=32305.96, stdev=35116.87 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 1893], 10.00th=[ 3163], 20.00th=[ 5276], | 30.00th=[ 8586], 40.00th=[ 13960], 50.00th=[ 21890], 60.00th=[ 29230], | 70.00th=[ 41157], 80.00th=[ 53216], 90.00th=[ 74974], 95.00th=[ 99091], | 99.00th=[170918], 99.50th=[214959], 99.90th=[278922], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 62, max= 571, per=23.79%, avg=223.37, stdev=104.82, samples=51 iops : min= 3, max= 35, avg=13.24, stdev= 6.56, samples=51 lat (usec) : 50=1.30%, 100=9.64%, 250=0.91%, 500=0.65%, 750=0.13% lat (msec) : 2=2.86%, 4=4.30%, 10=8.85%, 20=11.46%, 50=34.38% lat (msec) : 100=21.48%, 250=3.65%, 500=0.39% cpu : usr=0.12%, sys=6.37%, ctx=1420, 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=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=146029: Thu Sep 10 18:10:14 2026 read: IOPS=14, BW=233KiB/s (238kB/s)(6032KiB/25917msec) clat (usec): min=34, max=200621, avg=34549.15, stdev=32282.89 lat (usec): min=34, max=200623, avg=34550.28, stdev=32282.91 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 51], 10.00th=[ 60], 20.00th=[ 76], | 30.00th=[ 13960], 40.00th=[ 23987], 50.00th=[ 32375], 60.00th=[ 38536], | 70.00th=[ 45351], 80.00th=[ 56886], 90.00th=[ 74974], 95.00th=[ 87557], | 99.00th=[149947], 99.50th=[193987], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 63, max= 638, per=26.06%, avg=232.75, stdev=94.53, samples=51 iops : min= 3, max= 39, avg=13.80, stdev= 5.89, samples=51 write: IOPS=15, BW=241KiB/s (247kB/s)(6256KiB/25917msec); 0 zone resets clat (usec): min=1443, max=175199, avg=32701.39, stdev=32638.36 lat (usec): min=1445, max=175201, avg=32716.26, stdev=32627.14 clat percentiles (usec): | 1.00th=[ 1516], 5.00th=[ 1844], 10.00th=[ 3163], 20.00th=[ 5997], | 30.00th=[ 9372], 40.00th=[ 14615], 50.00th=[ 21890], 60.00th=[ 28443], | 70.00th=[ 39060], 80.00th=[ 57410], 90.00th=[ 83362], 95.00th=[ 99091], | 99.00th=[139461], 99.50th=[149947], 99.90th=[175113], 99.95th=[175113], | 99.99th=[175113] bw ( KiB/s): min= 31, max= 473, per=25.76%, avg=241.90, stdev=87.08, samples=51 iops : min= 1, max= 29, avg=14.39, stdev= 5.47, samples=51 lat (usec) : 50=2.21%, 100=8.98%, 250=1.56%, 500=0.26%, 750=0.26% lat (usec) : 1000=0.13% lat (msec) : 2=3.26%, 4=4.04%, 10=9.90%, 20=10.94%, 50=32.16% lat (msec) : 100=22.14%, 250=4.17% cpu : usr=0.09%, sys=6.39%, ctx=1369, 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=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=893KiB/s (915kB/s), 224KiB/s-233KiB/s (230kB/s-239kB/s), io=23.4MiB (24.5MB), run=25610-26811msec WRITE: bw=940KiB/s (962kB/s), 225KiB/s-256KiB/s (230kB/s-262kB/s), io=24.6MiB (25.8MB), run=25610-26811msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146026: Thu Sep 10 18:10:52 2026 read: IOPS=5, BW=92.8KiB/s (95.1kB/s)(5920KiB/63774msec) clat (msec): min=6, max=265, avg=35.75, stdev=34.75 lat (msec): min=6, max=265, avg=35.75, stdev=34.75 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 28], | 70.00th=[ 34], 80.00th=[ 53], 90.00th=[ 73], 95.00th=[ 112], | 99.00th=[ 171], 99.50th=[ 243], 99.90th=[ 266], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 30, max= 380, per=27.42%, avg=100.62, stdev=66.16, samples=116 iops : min= 1, max= 23, avg= 5.50, stdev= 4.19, samples=116 write: IOPS=6, BW=99.9KiB/s (102kB/s)(6368KiB/63774msec); 0 zone resets clat (msec): min=37, max=470, avg=126.20, stdev=62.94 lat (msec): min=37, max=470, avg=126.20, stdev=62.94 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 67], 20.00th=[ 79], | 30.00th=[ 88], 40.00th=[ 99], 50.00th=[ 112], 60.00th=[ 124], | 70.00th=[ 138], 80.00th=[ 163], 90.00th=[ 205], 95.00th=[ 253], | 99.00th=[ 338], 99.50th=[ 418], 99.90th=[ 472], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 22, max= 215, per=25.94%, avg=100.38, stdev=46.78, samples=125 iops : min= 1, max= 13, avg= 5.47, stdev= 3.00, samples=125 lat (msec) : 10=2.73%, 20=17.06%, 50=18.88%, 100=28.13%, 250=30.47% lat (msec) : 500=2.73% cpu : usr=0.05%, sys=1.28%, ctx=1376, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146028: Thu Sep 10 18:10:52 2026 read: IOPS=5, BW=88.3KiB/s (90.4kB/s)(5744KiB/65087msec) clat (msec): min=7, max=336, avg=35.71, stdev=38.06 lat (msec): min=7, max=336, avg=35.71, stdev=38.06 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 33], 80.00th=[ 48], 90.00th=[ 83], 95.00th=[ 110], | 99.00th=[ 205], 99.50th=[ 249], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 22, max= 350, per=27.77%, avg=101.91, stdev=70.48, samples=110 iops : min= 1, max= 21, avg= 5.58, stdev= 4.49, samples=110 write: IOPS=6, BW=101KiB/s (103kB/s)(6544KiB/65087msec); 0 zone resets clat (msec): min=42, max=556, avg=127.00, stdev=68.23 lat (msec): min=42, max=556, avg=127.00, stdev=68.23 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 59], 10.00th=[ 68], 20.00th=[ 79], | 30.00th=[ 88], 40.00th=[ 99], 50.00th=[ 108], 60.00th=[ 120], | 70.00th=[ 138], 80.00th=[ 167], 90.00th=[ 209], 95.00th=[ 266], | 99.00th=[ 409], 99.50th=[ 418], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 22, max= 191, per=26.75%, avg=103.51, stdev=46.54, samples=124 iops : min= 1, max= 11, avg= 5.67, stdev= 2.96, samples=124 lat (msec) : 10=2.73%, 20=17.71%, 50=18.49%, 100=26.82%, 250=30.99% lat (msec) : 500=3.12%, 750=0.13% cpu : usr=0.05%, sys=1.33%, ctx=1342, 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=146030: Thu Sep 10 18:10:52 2026 read: IOPS=6, BW=101KiB/s (104kB/s)(6256KiB/61640msec) clat (msec): min=6, max=242, avg=32.18, stdev=34.46 lat (msec): min=6, max=242, avg=32.19, stdev=34.46 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 30], 80.00th=[ 37], 90.00th=[ 64], 95.00th=[ 105], | 99.00th=[ 207], 99.50th=[ 241], 99.90th=[ 243], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 31, max= 351, per=30.00%, avg=110.11, stdev=80.70, samples=112 iops : min= 1, max= 21, avg= 6.09, stdev= 5.11, samples=112 write: IOPS=6, BW=97.9KiB/s (100kB/s)(6032KiB/61640msec); 0 zone resets clat (msec): min=37, max=512, avg=129.34, stdev=68.62 lat (msec): min=37, max=512, avg=129.35, stdev=68.62 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 78], | 30.00th=[ 87], 40.00th=[ 99], 50.00th=[ 110], 60.00th=[ 127], | 70.00th=[ 142], 80.00th=[ 167], 90.00th=[ 220], 95.00th=[ 284], | 99.00th=[ 355], 99.50th=[ 397], 99.90th=[ 514], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 30, max= 192, per=25.30%, avg=97.90, stdev=46.69, samples=120 iops : min= 1, max= 12, avg= 5.31, stdev= 2.98, samples=120 lat (msec) : 10=2.99%, 20=19.79%, 50=22.27%, 100=23.44%, 250=27.99% lat (msec) : 500=3.39%, 750=0.13% cpu : usr=0.05%, sys=1.38%, ctx=1414, 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=146031: Thu Sep 10 18:10:52 2026 read: IOPS=5, BW=93.6KiB/s (95.9kB/s)(6032KiB/64423msec) clat (msec): min=5, max=245, avg=35.61, stdev=38.16 lat (msec): min=5, max=245, avg=35.61, stdev=38.16 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 33], 80.00th=[ 47], 90.00th=[ 84], 95.00th=[ 127], | 99.00th=[ 199], 99.50th=[ 239], 99.90th=[ 247], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 30, max= 318, per=29.25%, avg=107.34, stdev=67.78, samples=110 iops : min= 1, max= 19, avg= 5.90, stdev= 4.27, samples=110 write: IOPS=6, BW=97.1KiB/s (99.4kB/s)(6256KiB/64423msec); 0 zone resets clat (msec): min=45, max=476, avg=130.16, stdev=65.76 lat (msec): min=45, max=476, avg=130.16, stdev=65.76 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 59], 10.00th=[ 71], 20.00th=[ 82], | 30.00th=[ 88], 40.00th=[ 103], 50.00th=[ 115], 60.00th=[ 129], | 70.00th=[ 142], 80.00th=[ 167], 90.00th=[ 203], 95.00th=[ 259], | 99.00th=[ 393], 99.50th=[ 472], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 30, max= 191, per=25.37%, avg=98.18, stdev=44.72, samples=125 iops : min= 1, max= 11, avg= 5.34, stdev= 2.87, samples=125 lat (msec) : 10=3.26%, 20=20.83%, 50=16.67%, 100=23.70%, 250=32.68% lat (msec) : 500=2.86% cpu : usr=0.03%, sys=1.23%, ctx=1328, 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=368KiB/s (377kB/s), 88.3KiB/s-101KiB/s (90.4kB/s-104kB/s), io=23.4MiB (24.5MB), run=61640-65087msec WRITE: bw=387KiB/s (396kB/s), 97.1KiB/s-101KiB/s (99.4kB/s-103kB/s), io=24.6MiB (25.8MB), run=61640-65087msec 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=146051: Thu Sep 10 18:11:05 2026 read: IOPS=1, BW=1939KiB/s (1986kB/s)(7168KiB/3696msec) clat (msec): min=43, max=505, avg=245.82, stdev=142.18 lat (msec): min=43, max=505, avg=245.82, stdev=142.18 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 44], 10.00th=[ 44], 20.00th=[ 190], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 209], 60.00th=[ 245], | 70.00th=[ 245], 80.00th=[ 330], 90.00th=[ 506], 95.00th=[ 506], | 99.00th=[ 506], 99.50th=[ 506], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 1943, max= 4039, per=43.19%, avg=2393.40, stdev=920.66, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1385KiB/s (1419kB/s)(5120KiB/3696msec); 0 zone resets clat (msec): min=204, max=504, avg=377.37, stdev=116.12 lat (msec): min=206, max=504, avg=377.95, stdev=115.38 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 205], 10.00th=[ 205], 20.00th=[ 205], | 30.00th=[ 342], 40.00th=[ 342], 50.00th=[ 380], 60.00th=[ 380], | 70.00th=[ 460], 80.00th=[ 460], 90.00th=[ 506], 95.00th=[ 506], | 99.00th=[ 506], 99.50th=[ 506], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 1965, max= 4055, per=32.49%, avg=2520.50, stdev=1023.52, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 50=8.33%, 250=41.67%, 500=33.33%, 750=16.67% cpu : usr=0.08%, sys=16.91%, ctx=360, 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=146052: Thu Sep 10 18:11:05 2026 read: IOPS=0, BW=604KiB/s (619kB/s)(2048KiB/3389msec) clat (msec): min=28, max=170, avg=99.42, stdev=100.88 lat (msec): min=28, max=170, avg=99.43, stdev=100.88 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 29], 10.00th=[ 29], 20.00th=[ 29], | 30.00th=[ 29], 40.00th=[ 29], 50.00th=[ 29], 60.00th=[ 171], | 70.00th=[ 171], 80.00th=[ 171], 90.00th=[ 171], 95.00th=[ 171], | 99.00th=[ 171], 99.50th=[ 171], 99.90th=[ 171], 99.95th=[ 171], | 99.99th=[ 171] bw ( KiB/s): min= 1398, max= 2023, per=30.87%, avg=1710.50, stdev=441.94, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=3022KiB/s (3094kB/s)(10.0MiB/3389msec); 0 zone resets clat (msec): min=122, max=806, avg=306.61, stdev=199.08 lat (msec): min=122, max=806, avg=306.75, stdev=199.08 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 138], | 30.00th=[ 213], 40.00th=[ 226], 50.00th=[ 249], 60.00th=[ 255], | 70.00th=[ 271], 80.00th=[ 334], 90.00th=[ 456], 95.00th=[ 810], | 99.00th=[ 810], 99.50th=[ 810], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 1946, max= 6071, per=46.46%, avg=3604.20, stdev=1722.58, samples=5 iops : min= 1, max= 5, avg= 2.60, stdev= 1.67, samples=5 lat (msec) : 50=8.33%, 250=50.00%, 500=33.33%, 1000=8.33% cpu : usr=0.09%, sys=22.99%, ctx=236, 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=146053: Thu Sep 10 18:11:05 2026 read: IOPS=1, BW=1786KiB/s (1829kB/s)(6144KiB/3440msec) clat (usec): min=1079, max=388682, avg=197548.96, stdev=170286.32 lat (usec): min=1081, max=388684, avg=197550.50, stdev=170286.45 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1074], 10.00th=[ 1074], 20.00th=[ 4359], | 30.00th=[ 4359], 40.00th=[152044], 50.00th=[152044], 60.00th=[304088], | 70.00th=[333448], 80.00th=[333448], 90.00th=[387974], 95.00th=[387974], | 99.00th=[387974], 99.50th=[387974], 99.90th=[387974], 99.95th=[387974], | 99.99th=[387974] bw ( KiB/s): min= 1965, max= 3984, per=45.11%, avg=2499.75, stdev=989.91, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1786KiB/s (1829kB/s)(6144KiB/3440msec); 0 zone resets clat (msec): min=232, max=561, avg=342.55, stdev=139.17 lat (msec): min=232, max=561, avg=342.66, stdev=139.18 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 239], 50.00th=[ 239], 60.00th=[ 330], | 70.00th=[ 460], 80.00th=[ 460], 90.00th=[ 558], 95.00th=[ 558], | 99.00th=[ 558], 99.50th=[ 558], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 1380, max= 2027, per=24.35%, avg=1888.83, stdev=251.28, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 2=8.33%, 10=8.33%, 250=33.33%, 500=41.67%, 750=8.33% cpu : usr=0.03%, sys=15.47%, ctx=239, 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=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=146054: Thu Sep 10 18:11:05 2026 read: IOPS=1, BW=1397KiB/s (1431kB/s)(5120KiB/3664msec) clat (usec): min=755, max=344720, avg=175691.80, stdev=163799.27 lat (usec): min=757, max=344722, avg=175693.38, stdev=163798.77 clat percentiles (usec): | 1.00th=[ 758], 5.00th=[ 758], 10.00th=[ 758], 20.00th=[ 758], | 30.00th=[ 922], 40.00th=[ 922], 50.00th=[240124], 60.00th=[240124], | 70.00th=[291505], 80.00th=[291505], 90.00th=[346031], 95.00th=[346031], | 99.00th=[346031], 99.50th=[346031], 99.90th=[346031], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 2023, max= 6083, per=73.15%, avg=4053.00, stdev=2870.85, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1956KiB/s (2003kB/s)(7168KiB/3664msec); 0 zone resets clat (msec): min=145, max=746, avg=377.30, stdev=212.74 lat (msec): min=146, max=746, avg=377.88, stdev=212.74 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 178], | 30.00th=[ 241], 40.00th=[ 241], 50.00th=[ 368], 60.00th=[ 477], | 70.00th=[ 477], 80.00th=[ 489], 90.00th=[ 743], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 1454, max= 3984, per=31.73%, avg=2461.33, stdev=1341.42, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 1000=16.67% lat (msec) : 250=33.33%, 500=41.67%, 750=8.33% cpu : usr=0.08%, sys=16.33%, ctx=322, 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=5541KiB/s (5674kB/s), 604KiB/s-1939KiB/s (619kB/s-1986kB/s), io=20.0MiB (20.0MB), run=3389-3696msec WRITE: bw=7758KiB/s (7944kB/s), 1385KiB/s-3022KiB/s (1419kB/s-3094kB/s), io=28.0MiB (29.4MB), run=3389-3696msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146056: Thu Sep 10 18:11:08 2026 read: IOPS=1, BW=1665KiB/s (1705kB/s)(7168KiB/4304msec) clat (msec): min=89, max=827, avg=363.02, stdev=331.25 lat (msec): min=89, max=827, avg=363.02, stdev=331.25 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 100], | 30.00th=[ 120], 40.00th=[ 120], 50.00th=[ 184], 60.00th=[ 409], | 70.00th=[ 409], 80.00th=[ 818], 90.00th=[ 827], 95.00th=[ 827], | 99.00th=[ 827], 99.50th=[ 827], 99.90th=[ 827], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 1914, max= 4079, per=54.87%, avg=2420.40, stdev=928.70, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1190KiB/s (1218kB/s)(5120KiB/4304msec); 0 zone resets clat (msec): min=116, max=731, avg=281.01, stdev=255.97 lat (msec): min=118, max=731, avg=281.65, stdev=255.62 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 117], | 30.00th=[ 138], 40.00th=[ 138], 50.00th=[ 184], 60.00th=[ 184], | 70.00th=[ 239], 80.00th=[ 239], 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= 1980, max= 4079, per=43.69%, avg=2698.00, stdev=1196.30, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=16.67%, 250=50.00%, 500=8.33%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=4.86%, ctx=77, 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=146057: Thu Sep 10 18:11:08 2026 read: IOPS=0, BW=450KiB/s (461kB/s)(2048KiB/4550msec) clat (msec): min=174, max=437, avg=305.90, stdev=185.67 lat (msec): min=174, max=437, avg=305.90, stdev=185.67 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 176], | 30.00th=[ 176], 40.00th=[ 176], 50.00th=[ 176], 60.00th=[ 439], | 70.00th=[ 439], 80.00th=[ 439], 90.00th=[ 439], 95.00th=[ 439], | 99.00th=[ 439], 99.50th=[ 439], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 1914, max= 2039, per=44.81%, avg=1976.50, stdev=88.39, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2251KiB/s (2305kB/s)(10.0MiB/4550msec); 0 zone resets clat (msec): min=121, max=987, avg=353.31, stdev=252.02 lat (msec): min=121, max=987, avg=353.43, stdev=252.01 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 218], | 30.00th=[ 222], 40.00th=[ 239], 50.00th=[ 257], 60.00th=[ 300], | 70.00th=[ 305], 80.00th=[ 313], 90.00th=[ 575], 95.00th=[ 986], | 99.00th=[ 986], 99.50th=[ 986], 99.90th=[ 986], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 1914, max= 4071, per=51.18%, avg=3161.00, stdev=1085.85, samples=5 iops : min= 1, max= 3, avg= 2.20, stdev= 1.10, samples=5 lat (msec) : 250=41.67%, 500=41.67%, 750=8.33%, 1000=8.33% cpu : usr=0.02%, sys=5.32%, ctx=77, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146058: Thu Sep 10 18:11:08 2026 read: IOPS=1, BW=1446KiB/s (1480kB/s)(6144KiB/4250msec) clat (msec): min=114, max=580, avg=237.61, stdev=180.00 lat (msec): min=114, max=580, avg=237.61, stdev=180.00 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 128], | 30.00th=[ 128], 40.00th=[ 142], 50.00th=[ 142], 60.00th=[ 169], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 1980, max= 4079, per=57.41%, avg=2532.25, stdev=1031.49, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1446KiB/s (1480kB/s)(6144KiB/4250msec); 0 zone resets clat (msec): min=220, max=833, avg=448.69, stdev=243.26 lat (msec): min=220, max=833, avg=448.82, stdev=243.22 clat percentiles (msec): | 1.00th=[ 222], 5.00th=[ 222], 10.00th=[ 222], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 300], 50.00th=[ 300], 60.00th=[ 535], | 70.00th=[ 575], 80.00th=[ 575], 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= 1910, max= 2039, per=32.16%, avg=1986.17, stdev=61.67, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 250=50.00%, 500=16.67%, 750=25.00%, 1000=8.33% cpu : usr=0.00%, sys=4.21%, ctx=122, 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=146059: Thu Sep 10 18:11:08 2026 read: IOPS=1, BW=1103KiB/s (1129kB/s)(5120KiB/4642msec) clat (msec): min=91, max=179, avg=140.55, stdev=41.57 lat (msec): min=91, max=179, avg=140.55, stdev=41.57 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 92], 10.00th=[ 92], 20.00th=[ 92], | 30.00th=[ 100], 40.00th=[ 100], 50.00th=[ 165], 60.00th=[ 165], | 70.00th=[ 167], 80.00th=[ 167], 90.00th=[ 180], 95.00th=[ 180], | 99.00th=[ 180], 99.50th=[ 180], 99.90th=[ 180], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 1980, max= 6119, per=91.80%, avg=4049.50, stdev=2926.71, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1544KiB/s (1581kB/s)(7168KiB/4642msec); 0 zone resets clat (msec): min=121, max=977, avg=529.37, stdev=328.49 lat (msec): min=121, max=977, avg=529.53, stdev=328.52 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 228], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 451], 60.00th=[ 693], | 70.00th=[ 693], 80.00th=[ 885], 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= 1910, max= 3961, per=39.75%, avg=2455.00, stdev=1005.67, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=16.67%, 250=41.67%, 500=16.67%, 750=8.33%, 1000=16.67% cpu : usr=0.02%, sys=4.27%, ctx=148, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=4412KiB/s (4518kB/s), 450KiB/s-1665KiB/s (461kB/s-1705kB/s), io=20.0MiB (20.0MB), run=4250-4642msec WRITE: bw=6177KiB/s (6325kB/s), 1190KiB/s-2251KiB/s (1218kB/s-2305kB/s), io=28.0MiB (29.4MB), run=4250-4642msec 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=146067: Thu Sep 10 18:11:21 2026 read: IOPS=1, BW=4623KiB/s (4734kB/s)(12.0MiB/2658msec) clat (msec): min=309, max=1310, avg=795.52, stdev=501.22 lat (msec): min=309, max=1310, avg=795.52, stdev=501.22 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 1318], 80.00th=[ 1318], 90.00th=[ 1318], 95.00th=[ 1318], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 8126, max= 8159, per=100.00%, avg=8142.50, stdev=23.33, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=5.65%, ctx=72, 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=146068: Thu Sep 10 18:11:21 2026 read: IOPS=0, BW=1434KiB/s (1469kB/s)(4096KiB/2856msec) clat (nsec): min=231460k, max=231460k, avg=231460277.00, stdev= 0.00 lat (nsec): min=231464k, max=231464k, avg=231463517.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 232], | 30.00th=[ 232], 40.00th=[ 232], 50.00th=[ 232], 60.00th=[ 232], | 70.00th=[ 232], 80.00th=[ 232], 90.00th=[ 232], 95.00th=[ 232], | 99.00th=[ 232], 99.50th=[ 232], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 6234, max= 6234, per=100.00%, avg=6234.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2868KiB/s (2937kB/s)(8192KiB/2856msec); 0 zone resets clat (msec): min=1041, max=1522, avg=1282.14, stdev=339.68 lat (msec): min=1042, max=1522, avg=1282.67, stdev=339.55 clat percentiles (msec): | 1.00th=[ 1045], 5.00th=[ 1045], 10.00th=[ 1045], 20.00th=[ 1045], | 30.00th=[ 1045], 40.00th=[ 1045], 50.00th=[ 1045], 60.00th=[ 1519], | 70.00th=[ 1519], 80.00th=[ 1519], 90.00th=[ 1519], 95.00th=[ 1519], | 99.00th=[ 1519], 99.50th=[ 1519], 99.90th=[ 1519], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 8143, max= 8143, per=92.15%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 2000=66.67% cpu : usr=0.00%, sys=5.08%, ctx=57, 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=146069: Thu Sep 10 18:11:21 2026 write: IOPS=0, BW=3314KiB/s (3393kB/s)(12.0MiB/3708msec); 0 zone resets clat (msec): min=325, max=2176, avg=1222.01, stdev=926.96 lat (msec): min=325, max=2177, avg=1222.49, stdev=927.00 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 1167], 50.00th=[ 1167], 60.00th=[ 1167], | 70.00th=[ 2165], 80.00th=[ 2165], 90.00th=[ 2165], 95.00th=[ 2165], | 99.00th=[ 2165], 99.50th=[ 2165], 99.90th=[ 2165], 99.95th=[ 2165], | 99.99th=[ 2165] bw ( KiB/s): min= 8110, max= 8159, per=92.05%, avg=8134.50, stdev=34.65, 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=3.45%, ctx=50, 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=146070: Thu Sep 10 18:11:21 2026 write: IOPS=1, BW=4271KiB/s (4374kB/s)(12.0MiB/2877msec); 0 zone resets clat (msec): min=377, max=1860, avg=926.01, stdev=813.13 lat (msec): min=379, max=1860, avg=927.36, stdev=812.40 clat percentiles (msec): | 1.00th=[ 380], 5.00th=[ 380], 10.00th=[ 380], 20.00th=[ 380], | 30.00th=[ 380], 40.00th=[ 542], 50.00th=[ 542], 60.00th=[ 542], | 70.00th=[ 1854], 80.00th=[ 1854], 90.00th=[ 1854], 95.00th=[ 1854], | 99.00th=[ 1854], 99.50th=[ 1854], 99.90th=[ 1854], 99.95th=[ 1854], | 99.99th=[ 1854] bw ( KiB/s): min=16253, max=16253, per=100.00%, avg=16253.00, 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=5.08%, ctx=56, 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=5737KiB/s (5874kB/s), 1434KiB/s-4623KiB/s (1469kB/s-4734kB/s), io=16.0MiB (16.8MB), run=2658-2856msec WRITE: bw=8837KiB/s (9049kB/s), 2868KiB/s-4271KiB/s (2937kB/s-4374kB/s), io=32.0MiB (33.6MB), run=2856-3708msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146071: Thu Sep 10 18:11:21 2026 read: IOPS=1, BW=5111KiB/s (5234kB/s)(12.0MiB/2404msec) clat (msec): min=633, max=866, avg=770.02, stdev=121.49 lat (msec): min=633, max=866, avg=770.02, stdev=121.49 clat percentiles (msec): | 1.00th=[ 634], 5.00th=[ 634], 10.00th=[ 634], 20.00th=[ 634], | 30.00th=[ 634], 40.00th=[ 810], 50.00th=[ 810], 60.00th=[ 810], | 70.00th=[ 869], 80.00th=[ 869], 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= 8126, max= 8143, per=100.00%, avg=8134.50, stdev=12.02, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=20.30%, ctx=337, 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=146072: Thu Sep 10 18:11:21 2026 read: IOPS=0, BW=1350KiB/s (1382kB/s)(4096KiB/3034msec) clat (nsec): min=630457k, max=630457k, avg=630456865.00, stdev= 0.00 lat (nsec): min=630459k, max=630459k, avg=630459193.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 634], 5.00th=[ 634], 10.00th=[ 634], 20.00th=[ 634], | 30.00th=[ 634], 40.00th=[ 634], 50.00th=[ 634], 60.00th=[ 634], | 70.00th=[ 634], 80.00th=[ 634], 90.00th=[ 634], 95.00th=[ 634], | 99.00th=[ 634], 99.50th=[ 634], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2700KiB/s (2765kB/s)(8192KiB/3034msec); 0 zone resets clat (msec): min=902, max=1244, avg=1073.35, stdev=241.72 lat (msec): min=902, max=1245, avg=1074.17, stdev=242.24 clat percentiles (msec): | 1.00th=[ 902], 5.00th=[ 902], 10.00th=[ 902], 20.00th=[ 902], | 30.00th=[ 902], 40.00th=[ 902], 50.00th=[ 902], 60.00th=[ 1250], | 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= 8126, max= 8126, per=95.68%, avg=8126.00, 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=4.06%, ctx=101, 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=146073: Thu Sep 10 18:11:21 2026 write: IOPS=0, BW=3185KiB/s (3262kB/s)(12.0MiB/3858msec); 0 zone resets clat (msec): min=266, max=2184, avg=1196.33, stdev=960.40 lat (msec): min=266, max=2186, avg=1197.45, stdev=961.10 clat percentiles (msec): | 1.00th=[ 266], 5.00th=[ 266], 10.00th=[ 266], 20.00th=[ 266], | 30.00th=[ 266], 40.00th=[ 1133], 50.00th=[ 1133], 60.00th=[ 1133], | 70.00th=[ 2198], 80.00th=[ 2198], 90.00th=[ 2198], 95.00th=[ 2198], | 99.00th=[ 2198], 99.50th=[ 2198], 99.90th=[ 2198], 99.95th=[ 2198], | 99.99th=[ 2198] bw ( KiB/s): min= 8159, max= 8159, per=96.07%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.34%, ctx=53, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146074: Thu Sep 10 18:11:21 2026 write: IOPS=0, BW=3894KiB/s (3987kB/s)(12.0MiB/3156msec); 0 zone resets clat (msec): min=802, max=1147, avg=990.98, stdev=174.59 lat (msec): min=803, max=1149, avg=992.00, stdev=175.19 clat percentiles (msec): | 1.00th=[ 802], 5.00th=[ 802], 10.00th=[ 802], 20.00th=[ 802], | 30.00th=[ 802], 40.00th=[ 1020], 50.00th=[ 1020], 60.00th=[ 1020], | 70.00th=[ 1150], 80.00th=[ 1150], 90.00th=[ 1150], 95.00th=[ 1150], | 99.00th=[ 1150], 99.50th=[ 1150], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 8126, max= 8143, per=95.78%, avg=8134.50, stdev=12.02, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=6.31%, ctx=71, 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=5400KiB/s (5530kB/s), 1350KiB/s-5111KiB/s (1382kB/s-5234kB/s), io=16.0MiB (16.8MB), run=2404-3034msec WRITE: bw=8494KiB/s (8697kB/s), 2700KiB/s-3894KiB/s (2765kB/s-3987kB/s), io=32.0MiB (33.6MB), run=3034-3858msec