== sanity test 398b: DIO and buffer IO race ============== 15:51:56 (1787341916) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.9002 s, 8.5 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=144322: Fri Aug 21 15:54:19 2026 read: IOPS=12, BW=49.3KiB/s (50.4kB/s)(5992KiB/121627msec) clat (usec): min=32, max=956887, avg=40233.23, stdev=40222.50 lat (usec): min=32, max=956888, avg=40234.67, stdev=40222.52 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 58], 10.00th=[ 78], 20.00th=[ 17433], | 30.00th=[ 23200], 40.00th=[ 28181], 50.00th=[ 33817], 60.00th=[ 40109], | 70.00th=[ 46924], 80.00th=[ 57934], 90.00th=[ 77071], 95.00th=[ 99091], | 99.00th=[154141], 99.50th=[181404], 99.90th=[375391], 99.95th=[960496], | 99.99th=[960496] bw ( KiB/s): min= 7, max= 120, per=25.73%, avg=49.66, stdev=21.27, samples=236 iops : min= 1, max= 30, avg=11.78, stdev= 5.36, samples=236 write: IOPS=12, BW=51.8KiB/s (53.0kB/s)(6296KiB/121627msec); 0 zone resets clat (usec): min=790, max=361376, avg=38673.29, stdev=40781.55 lat (usec): min=791, max=361378, avg=38675.23, stdev=40781.86 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1188], 10.00th=[ 1352], 20.00th=[ 3458], | 30.00th=[ 7898], 40.00th=[ 17433], 50.00th=[ 26870], 60.00th=[ 38011], | 70.00th=[ 51643], 80.00th=[ 67634], 90.00th=[ 93848], 95.00th=[114820], | 99.00th=[177210], 99.50th=[212861], 99.90th=[299893], 99.95th=[362808], | 99.99th=[362808] bw ( KiB/s): min= 7, max= 126, per=25.61%, avg=51.74, stdev=22.13, samples=238 iops : min= 1, max= 31, avg=12.30, stdev= 5.60, samples=238 lat (usec) : 50=0.72%, 100=4.49%, 250=0.20%, 500=0.07%, 1000=0.23% lat (msec) : 2=6.87%, 4=4.26%, 10=6.32%, 20=10.71%, 50=37.11% lat (msec) : 100=22.69%, 250=6.12%, 500=0.20%, 1000=0.03% cpu : usr=0.07%, sys=4.82%, ctx=6323, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144323: Fri Aug 21 15:54:19 2026 read: IOPS=12, BW=48.5KiB/s (49.6kB/s)(5940KiB/122563msec) clat (usec): min=19, max=382451, avg=38954.39, stdev=32353.07 lat (usec): min=19, max=382453, avg=38958.30, stdev=32352.92 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 95], 20.00th=[ 17171], | 30.00th=[ 22152], 40.00th=[ 27132], 50.00th=[ 33162], 60.00th=[ 39584], | 70.00th=[ 47449], 80.00th=[ 58459], 90.00th=[ 74974], 95.00th=[ 88605], | 99.00th=[139461], 99.50th=[170918], 99.90th=[371196], 99.95th=[383779], | 99.99th=[383779] bw ( KiB/s): min= 5, max= 119, per=25.25%, avg=48.73, stdev=21.56, samples=238 iops : min= 1, max= 29, avg=11.55, stdev= 5.42, samples=238 write: IOPS=12, BW=51.8KiB/s (53.0kB/s)(6348KiB/122563msec); 0 zone resets clat (usec): min=803, max=957140, avg=40464.61, stdev=49839.06 lat (usec): min=804, max=957142, avg=40469.18, stdev=49841.26 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1188], 10.00th=[ 1385], 20.00th=[ 3949], | 30.00th=[ 8717], 40.00th=[ 19268], 50.00th=[ 29492], 60.00th=[ 39060], | 70.00th=[ 51643], 80.00th=[ 67634], 90.00th=[ 94897], 95.00th=[114820], | 99.00th=[173016], 99.50th=[250610], 99.90th=[633340], 99.95th=[960496], | 99.99th=[960496] bw ( KiB/s): min= 5, max= 135, per=25.65%, avg=51.81, stdev=23.65, samples=239 iops : min= 1, max= 33, avg=12.32, stdev= 5.98, samples=239 lat (usec) : 20=0.03%, 50=0.62%, 100=4.26%, 250=0.36%, 500=0.10% lat (usec) : 750=0.03%, 1000=0.29% lat (msec) : 2=6.61%, 4=3.68%, 10=6.22%, 20=11.26%, 50=37.01% lat (msec) : 100=23.89%, 250=5.24%, 500=0.33%, 750=0.03%, 1000=0.03% cpu : usr=0.08%, sys=4.95%, ctx=6361, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144324: Fri Aug 21 15:54:19 2026 read: IOPS=12, BW=48.9KiB/s (50.1kB/s)(6028KiB/123194msec) clat (usec): min=29, max=998642, avg=40143.89, stdev=40255.29 lat (usec): min=29, max=998643, avg=40146.65, stdev=40253.96 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 58], 10.00th=[ 80], | 20.00th=[ 17433], 30.00th=[ 23200], 40.00th=[ 28181], | 50.00th=[ 33817], 60.00th=[ 40633], 70.00th=[ 48497], | 80.00th=[ 58983], 90.00th=[ 74974], 95.00th=[ 92799], | 99.00th=[ 152044], 99.50th=[ 179307], 99.90th=[ 484443], | 99.95th=[1002439], 99.99th=[1002439] bw ( KiB/s): min= 7, max= 115, per=25.44%, avg=49.09, stdev=22.53, samples=240 iops : min= 1, max= 28, avg=11.63, stdev= 5.67, samples=240 write: IOPS=12, BW=50.8KiB/s (52.0kB/s)(6260KiB/123194msec); 0 zone resets clat (usec): min=730, max=263100, avg=39757.86, stdev=40933.84 lat (usec): min=731, max=263102, avg=39765.72, stdev=40933.81 clat percentiles (usec): | 1.00th=[ 1045], 5.00th=[ 1188], 10.00th=[ 1369], 20.00th=[ 3752], | 30.00th=[ 8029], 40.00th=[ 18220], 50.00th=[ 28443], 60.00th=[ 39584], | 70.00th=[ 53216], 80.00th=[ 68682], 90.00th=[ 96994], 95.00th=[115868], | 99.00th=[175113], 99.50th=[219153], 99.90th=[246416], 99.95th=[263193], | 99.99th=[263193] bw ( KiB/s): min= 7, max= 111, per=25.03%, avg=50.56, stdev=20.02, samples=242 iops : min= 1, max= 27, avg=12.00, stdev= 5.02, samples=242 lat (usec) : 50=1.01%, 100=4.20%, 250=0.36%, 500=0.10%, 750=0.03% lat (usec) : 1000=0.33% lat (msec) : 2=6.64%, 4=3.68%, 10=6.41%, 20=10.48%, 50=36.49% lat (msec) : 100=23.67%, 250=6.51%, 500=0.07%, 1000=0.03% cpu : usr=0.07%, sys=4.77%, ctx=6417, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144325: Fri Aug 21 15:54:19 2026 read: IOPS=12, BW=48.8KiB/s (49.0kB/s)(6052KiB/123949msec) clat (usec): min=21, max=418367, avg=39429.71, stdev=33469.28 lat (usec): min=21, max=418368, avg=39435.90, stdev=33472.25 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 87], 20.00th=[ 16581], | 30.00th=[ 22414], 40.00th=[ 27657], 50.00th=[ 32637], 60.00th=[ 40109], | 70.00th=[ 48497], 80.00th=[ 57934], 90.00th=[ 76022], 95.00th=[ 93848], | 99.00th=[154141], 99.50th=[200279], 99.90th=[375391], 99.95th=[417334], | 99.99th=[417334] bw ( KiB/s): min= 7, max= 135, per=25.36%, avg=48.94, stdev=21.85, samples=241 iops : min= 1, max= 33, avg=11.60, stdev= 5.52, samples=241 write: IOPS=12, BW=50.3KiB/s (51.5kB/s)(6236KiB/123949msec); 0 zone resets clat (usec): min=942, max=989300, avg=40932.94, stdev=47986.59 lat (usec): min=943, max=989303, avg=40936.18, stdev=47985.89 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1221], 10.00th=[ 1680], 20.00th=[ 4146], | 30.00th=[ 8979], 40.00th=[ 19792], 50.00th=[ 29492], 60.00th=[ 40633], | 70.00th=[ 53216], 80.00th=[ 70779], 90.00th=[ 94897], 95.00th=[119014], | 99.00th=[183501], 99.50th=[204473], 99.90th=[442500], 99.95th=[985662], | 99.99th=[985662] bw ( KiB/s): min= 7, max= 151, per=24.95%, avg=50.39, stdev=22.92, samples=241 iops : min= 1, max= 37, avg=11.95, stdev= 5.75, samples=241 lat (usec) : 50=0.65%, 100=4.39%, 250=0.49%, 750=0.03%, 1000=0.07% lat (msec) : 2=5.96%, 4=3.74%, 10=6.77%, 20=10.94%, 50=37.14% lat (msec) : 100=23.54%, 250=6.12%, 500=0.13%, 1000=0.03% cpu : usr=0.08%, sys=4.67%, ctx=6273, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=194KiB/s (198kB/s), 48.5KiB/s-49.3KiB/s (49.6kB/s-50.4kB/s), io=23.4MiB (24.6MB), run=121627-123949msec WRITE: bw=203KiB/s (208kB/s), 50.3KiB/s-51.8KiB/s (51.5kB/s-53.0kB/s), io=24.6MiB (25.7MB), run=121627-123949msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144326: Fri Aug 21 15:56:41 2026 read: IOPS=5, BW=22.6KiB/s (23.1kB/s)(5992KiB/265409msec) clat (msec): min=4, max=937, avg=39.52, stdev=41.12 lat (msec): min=4, max=937, avg=39.52, stdev=41.12 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 25], 50.00th=[ 30], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 77], 95.00th=[ 105], | 99.00th=[ 180], 99.50th=[ 218], 99.90th=[ 334], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7, max= 95, per=27.81%, avg=25.03, stdev=16.78, samples=463 iops : min= 1, max= 23, avg= 5.64, stdev= 4.23, samples=463 write: IOPS=5, BW=23.7KiB/s (24.3kB/s)(6296KiB/265409msec); 0 zone resets clat (msec): min=30, max=508, avg=130.78, stdev=64.07 lat (msec): min=30, max=508, avg=130.79, stdev=64.07 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 58], 10.00th=[ 68], 20.00th=[ 81], | 30.00th=[ 93], 40.00th=[ 104], 50.00th=[ 115], 60.00th=[ 131], | 70.00th=[ 148], 80.00th=[ 174], 90.00th=[ 213], 95.00th=[ 253], | 99.00th=[ 347], 99.50th=[ 409], 99.90th=[ 468], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 7, max= 62, per=24.95%, avg=23.45, stdev=10.83, samples=518 iops : min= 1, max= 15, avg= 5.24, stdev= 2.76, samples=518 lat (msec) : 10=3.22%, 20=11.62%, 50=23.54%, 100=26.86%, 250=31.77% lat (msec) : 500=2.93%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.16%, ctx=5335, 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=144327: Fri Aug 21 15:56:41 2026 read: IOPS=5, BW=22.3KiB/s (22.9kB/s)(5940KiB/266039msec) clat (msec): min=4, max=981, avg=38.49, stdev=41.32 lat (msec): min=4, max=981, avg=38.49, stdev=41.32 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 42], 80.00th=[ 52], 90.00th=[ 73], 95.00th=[ 101], | 99.00th=[ 167], 99.50th=[ 222], 99.90th=[ 338], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 7, max= 96, per=27.88%, avg=25.09, stdev=16.39, samples=457 iops : min= 1, max= 24, avg= 5.65, stdev= 4.14, samples=457 write: IOPS=5, BW=23.9KiB/s (24.4kB/s)(6348KiB/266039msec); 0 zone resets clat (msec): min=37, max=530, avg=131.38, stdev=65.37 lat (msec): min=37, max=530, avg=131.38, stdev=65.37 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 58], 10.00th=[ 66], 20.00th=[ 79], | 30.00th=[ 92], 40.00th=[ 105], 50.00th=[ 117], 60.00th=[ 133], | 70.00th=[ 148], 80.00th=[ 171], 90.00th=[ 211], 95.00th=[ 262], | 99.00th=[ 372], 99.50th=[ 414], 99.90th=[ 518], 99.95th=[ 531], | 99.99th=[ 531] bw ( KiB/s): min= 7, max= 64, per=25.11%, avg=23.60, stdev=10.72, samples=518 iops : min= 1, max= 16, avg= 5.27, stdev= 2.74, samples=518 lat (msec) : 10=3.29%, 20=11.65%, 50=23.83%, 100=25.98%, 250=32.06% lat (msec) : 500=3.09%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.21%, ctx=5375, 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=144328: Fri Aug 21 15:56:41 2026 read: IOPS=5, BW=22.7KiB/s (23.3kB/s)(6028KiB/265137msec) clat (msec): min=4, max=277, avg=38.52, stdev=32.72 lat (msec): min=4, max=277, avg=38.52, stdev=32.72 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 30], 60.00th=[ 36], | 70.00th=[ 43], 80.00th=[ 54], 90.00th=[ 77], 95.00th=[ 106], | 99.00th=[ 167], 99.50th=[ 201], 99.90th=[ 264], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 7, max= 80, per=27.76%, avg=24.99, stdev=15.77, samples=466 iops : min= 1, max= 20, avg= 5.62, stdev= 3.97, samples=466 write: IOPS=5, BW=23.6KiB/s (24.2kB/s)(6260KiB/265137msec); 0 zone resets clat (msec): min=34, max=1069, avg=132.09, stdev=68.90 lat (msec): min=34, max=1069, avg=132.10, stdev=68.90 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 57], 10.00th=[ 67], 20.00th=[ 81], | 30.00th=[ 93], 40.00th=[ 105], 50.00th=[ 117], 60.00th=[ 132], | 70.00th=[ 148], 80.00th=[ 176], 90.00th=[ 218], 95.00th=[ 255], | 99.00th=[ 359], 99.50th=[ 388], 99.90th=[ 651], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 7, max= 64, per=24.88%, avg=23.39, stdev=11.19, samples=516 iops : min= 1, max= 16, avg= 5.22, stdev= 2.87, samples=516 lat (msec) : 10=3.06%, 20=12.17%, 50=24.12%, 100=25.52%, 250=32.23% lat (msec) : 500=2.83%, 750=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.21%, ctx=5545, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144329: Fri Aug 21 15:56:41 2026 read: IOPS=5, BW=22.8KiB/s (23.4kB/s)(6052KiB/264877msec) clat (msec): min=4, max=337, avg=38.65, stdev=33.29 lat (msec): min=4, max=337, avg=38.65, stdev=33.29 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 30], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 74], 95.00th=[ 103], | 99.00th=[ 171], 99.50th=[ 182], 99.90th=[ 330], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 7, max= 104, per=27.67%, avg=24.91, stdev=16.22, samples=470 iops : min= 1, max= 26, avg= 5.60, stdev= 4.11, samples=470 write: IOPS=5, BW=23.5KiB/s (24.1kB/s)(6236KiB/264877msec); 0 zone resets clat (msec): min=33, max=1178, avg=132.15, stdev=72.18 lat (msec): min=33, max=1178, avg=132.15, stdev=72.18 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 57], 10.00th=[ 68], 20.00th=[ 82], | 30.00th=[ 93], 40.00th=[ 105], 50.00th=[ 116], 60.00th=[ 130], | 70.00th=[ 148], 80.00th=[ 171], 90.00th=[ 211], 95.00th=[ 259], | 99.00th=[ 388], 99.50th=[ 439], 99.90th=[ 642], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 7, max= 56, per=24.75%, avg=23.26, stdev=10.92, samples=517 iops : min= 1, max= 14, avg= 5.19, stdev= 2.78, samples=517 lat (msec) : 10=3.26%, 20=11.82%, 50=24.06%, 100=25.94%, 250=31.97% lat (msec) : 500=2.80%, 750=0.13%, 2000=0.03% cpu : usr=0.04%, sys=1.15%, ctx=5360, 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=90.3KiB/s (92.4kB/s), 22.3KiB/s-22.8KiB/s (22.9kB/s-23.4kB/s), io=23.4MiB (24.6MB), run=264877-266039msec WRITE: bw=94.5KiB/s (96.8kB/s), 23.5KiB/s-23.9KiB/s (24.1kB/s-24.4kB/s), io=24.6MiB (25.7MB), run=264877-266039msec 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=144384: Fri Aug 21 15:57:21 2026 read: IOPS=12, BW=199KiB/s (204kB/s)(5920KiB/29781msec) clat (usec): min=38, max=171856, avg=40567.53, stdev=33451.48 lat (usec): min=38, max=171858, avg=40569.66, stdev=33450.45 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 57], 10.00th=[ 67], 20.00th=[ 102], | 30.00th=[ 21103], 40.00th=[ 30278], 50.00th=[ 37487], 60.00th=[ 45351], | 70.00th=[ 55313], 80.00th=[ 64750], 90.00th=[ 83362], 95.00th=[102237], | 99.00th=[135267], 99.50th=[160433], 99.90th=[170918], 99.95th=[170918], | 99.99th=[170918] bw ( KiB/s): min= 31, max= 446, per=24.97%, avg=197.48, stdev=78.05, samples=58 iops : min= 1, max= 27, avg=11.59, stdev= 4.93, samples=58 write: IOPS=13, BW=214KiB/s (219kB/s)(6368KiB/29781msec); 0 zone resets clat (usec): min=1169, max=305710, avg=36631.65, stdev=43362.01 lat (usec): min=1172, max=305712, avg=36644.41, stdev=43358.55 clat percentiles (usec): | 1.00th=[ 1483], 5.00th=[ 1778], 10.00th=[ 2474], 20.00th=[ 4178], | 30.00th=[ 7242], 40.00th=[ 12256], 50.00th=[ 21365], 60.00th=[ 30540], | 70.00th=[ 46400], 80.00th=[ 65274], 90.00th=[ 90702], 95.00th=[112722], | 99.00th=[206570], 99.50th=[274727], 99.90th=[304088], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 62, max= 379, per=25.59%, avg=213.14, stdev=79.30, samples=58 iops : min= 3, max= 23, avg=12.60, stdev= 5.01, samples=58 lat (usec) : 50=0.78%, 100=8.59%, 250=1.17%, 500=0.52%, 750=0.13% lat (msec) : 2=4.04%, 4=5.08%, 10=10.03%, 20=8.33%, 50=29.95% lat (msec) : 100=24.61%, 250=6.38%, 500=0.39% cpu : usr=0.10%, sys=5.46%, ctx=1453, 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=144385: Fri Aug 21 15:57:21 2026 read: IOPS=11, BW=190KiB/s (195kB/s)(5744KiB/30203msec) clat (usec): min=40, max=204689, avg=41785.66, stdev=35625.99 lat (usec): min=41, max=204689, avg=41786.82, stdev=35625.99 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 60], 10.00th=[ 67], 20.00th=[ 11600], | 30.00th=[ 23462], 40.00th=[ 29230], 50.00th=[ 35390], 60.00th=[ 42206], | 70.00th=[ 52691], 80.00th=[ 68682], 90.00th=[ 88605], 95.00th=[104334], | 99.00th=[162530], 99.50th=[191890], 99.90th=[204473], 99.95th=[204473], | 99.99th=[204473] bw ( KiB/s): min= 53, max= 414, per=24.40%, avg=193.00, stdev=73.32, samples=58 iops : min= 3, max= 25, avg=11.33, stdev= 4.60, samples=58 write: IOPS=13, BW=217KiB/s (222kB/s)(6544KiB/30203msec); 0 zone resets clat (usec): min=1246, max=224038, avg=36771.39, stdev=39385.23 lat (usec): min=1248, max=224040, avg=36777.18, stdev=39382.70 clat percentiles (usec): | 1.00th=[ 1549], 5.00th=[ 1762], 10.00th=[ 2442], 20.00th=[ 5407], | 30.00th=[ 8848], 40.00th=[ 14615], 50.00th=[ 22676], 60.00th=[ 31589], | 70.00th=[ 46400], 80.00th=[ 67634], 90.00th=[ 89654], 95.00th=[111674], | 99.00th=[175113], 99.50th=[221250], 99.90th=[223347], 99.95th=[223347], | 99.99th=[223347] bw ( KiB/s): min= 62, max= 500, per=25.98%, avg=216.37, stdev=103.00, samples=59 iops : min= 3, max= 31, avg=12.80, stdev= 6.56, samples=59 lat (usec) : 50=1.17%, 100=7.03%, 250=0.52%, 1000=0.13% lat (msec) : 2=4.30%, 4=4.69%, 10=8.59%, 20=10.16%, 50=33.07% lat (msec) : 100=23.18%, 250=7.16% cpu : usr=0.08%, sys=5.21%, ctx=1449, 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=144386: Fri Aug 21 15:57:21 2026 read: IOPS=12, BW=207KiB/s (212kB/s)(6256KiB/30247msec) clat (usec): min=35, max=214327, avg=41714.59, stdev=35582.35 lat (usec): min=35, max=214574, avg=41716.49, stdev=35585.44 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 59], 10.00th=[ 65], 20.00th=[ 109], | 30.00th=[ 23987], 40.00th=[ 30278], 50.00th=[ 38536], 60.00th=[ 45351], | 70.00th=[ 56361], 80.00th=[ 66847], 90.00th=[ 83362], 95.00th=[108528], | 99.00th=[170918], 99.50th=[202376], 99.90th=[214959], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 26, max= 415, per=26.36%, avg=208.51, stdev=77.93, samples=59 iops : min= 1, max= 25, avg=12.31, stdev= 4.92, samples=59 write: IOPS=12, BW=199KiB/s (204kB/s)(6032KiB/30247msec); 0 zone resets clat (usec): min=1393, max=207201, avg=36081.32, stdev=39433.19 lat (usec): min=1396, max=207203, avg=36083.76, stdev=39432.96 clat percentiles (usec): | 1.00th=[ 1663], 5.00th=[ 1926], 10.00th=[ 2606], 20.00th=[ 4883], | 30.00th=[ 8356], 40.00th=[ 13304], 50.00th=[ 20317], 60.00th=[ 32113], | 70.00th=[ 43779], 80.00th=[ 65274], 90.00th=[ 93848], 95.00th=[119014], | 99.00th=[179307], 99.50th=[198181], 99.90th=[206570], 99.95th=[206570], | 99.99th=[206570] bw ( KiB/s): min= 30, max= 408, per=23.89%, avg=198.98, stdev=81.70, samples=59 iops : min= 1, max= 25, avg=11.68, stdev= 5.19, samples=59 lat (usec) : 50=1.17%, 100=8.59%, 250=1.17%, 500=0.39%, 1000=0.39% lat (msec) : 2=2.73%, 4=5.47%, 10=9.24%, 20=8.72%, 50=31.38% lat (msec) : 100=23.31%, 250=7.42% cpu : usr=0.08%, sys=5.08%, ctx=1431, 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=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=144387: Fri Aug 21 15:57:21 2026 read: IOPS=12, BW=201KiB/s (206kB/s)(6032KiB/29984msec) clat (usec): min=38, max=198131, avg=40923.71, stdev=36288.39 lat (usec): min=38, max=198131, avg=40925.17, stdev=36288.44 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 91], | 30.00th=[ 19530], 40.00th=[ 30016], 50.00th=[ 38011], 60.00th=[ 44303], | 70.00th=[ 53216], 80.00th=[ 66323], 90.00th=[ 88605], 95.00th=[106431], | 99.00th=[170918], 99.50th=[183501], 99.90th=[198181], 99.95th=[198181], | 99.99th=[198181] bw ( KiB/s): min= 31, max= 384, per=25.27%, avg=199.91, stdev=82.01, samples=58 iops : min= 1, max= 24, avg=11.76, stdev= 5.25, samples=58 write: IOPS=13, BW=209KiB/s (214kB/s)(6256KiB/29984msec); 0 zone resets clat (usec): min=1305, max=333441, avg=36983.76, stdev=41150.21 lat (usec): min=1307, max=333443, avg=36997.42, stdev=41153.56 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1713], 10.00th=[ 2442], 20.00th=[ 5014], | 30.00th=[ 8586], 40.00th=[ 14746], 50.00th=[ 24511], 60.00th=[ 35390], | 70.00th=[ 46924], 80.00th=[ 61604], 90.00th=[ 88605], 95.00th=[111674], | 99.00th=[177210], 99.50th=[295699], 99.90th=[333448], 99.95th=[333448], | 99.99th=[333448] bw ( KiB/s): min= 62, max= 435, per=24.88%, avg=207.24, stdev=92.46, samples=58 iops : min= 3, max= 27, avg=12.21, stdev= 5.83, samples=58 lat (usec) : 50=1.30%, 100=9.24%, 250=0.91%, 500=0.52%, 1000=0.13% lat (msec) : 2=4.17%, 4=5.21%, 10=8.20%, 20=8.33%, 50=31.25% lat (msec) : 100=23.44%, 250=7.03%, 500=0.26% cpu : usr=0.06%, sys=5.00%, ctx=1435, 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=792KiB/s (811kB/s), 190KiB/s-207KiB/s (195kB/s-212kB/s), io=23.4MiB (24.5MB), run=29781-30247msec WRITE: bw=833KiB/s (853kB/s), 199KiB/s-217KiB/s (204kB/s-222kB/s), io=24.6MiB (25.8MB), run=29781-30247msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144389: Fri Aug 21 15:58:15 2026 read: IOPS=4, BW=70.3KiB/s (72.0kB/s)(5920KiB/84165msec) clat (msec): min=7, max=413, avg=45.97, stdev=49.00 lat (msec): min=7, max=413, avg=45.97, stdev=49.00 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 16], 20.00th=[ 19], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 30], 60.00th=[ 35], | 70.00th=[ 44], 80.00th=[ 56], 90.00th=[ 91], 95.00th=[ 146], | 99.00th=[ 264], 99.50th=[ 321], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 31, max= 440, per=30.23%, avg=85.85, stdev=58.39, samples=135 iops : min= 1, max= 27, avg= 4.59, stdev= 3.71, samples=135 write: IOPS=4, BW=75.7KiB/s (77.5kB/s)(6368KiB/84165msec); 0 zone resets clat (msec): min=52, max=798, avg=168.26, stdev=81.28 lat (msec): min=52, max=798, avg=168.26, stdev=81.28 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 73], 10.00th=[ 86], 20.00th=[ 102], | 30.00th=[ 121], 40.00th=[ 138], 50.00th=[ 150], 60.00th=[ 171], | 70.00th=[ 188], 80.00th=[ 222], 90.00th=[ 271], 95.00th=[ 321], | 99.00th=[ 397], 99.50th=[ 514], 99.90th=[ 802], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 26, max= 192, per=25.39%, avg=75.91, stdev=33.74, samples=164 iops : min= 1, max= 12, avg= 3.95, stdev= 2.16, samples=164 lat (msec) : 10=1.17%, 20=10.42%, 50=24.87%, 100=17.45%, 250=38.15% lat (msec) : 500=7.68%, 750=0.13%, 1000=0.13% cpu : usr=0.03%, sys=1.06%, ctx=1248, 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=144390: Fri Aug 21 15:58:15 2026 read: IOPS=4, BW=69.0KiB/s (70.7kB/s)(5744KiB/83188msec) clat (msec): min=7, max=305, avg=45.15, stdev=42.46 lat (msec): min=7, max=305, avg=45.15, stdev=42.47 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 39], | 70.00th=[ 47], 80.00th=[ 59], 90.00th=[ 95], 95.00th=[ 136], | 99.00th=[ 249], 99.50th=[ 255], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 26, max= 350, per=28.80%, avg=81.80, stdev=57.19, samples=137 iops : min= 1, max= 21, avg= 4.33, stdev= 3.64, samples=137 write: IOPS=4, BW=78.7KiB/s (80.6kB/s)(6544KiB/83188msec); 0 zone resets clat (msec): min=49, max=415, avg=163.21, stdev=69.81 lat (msec): min=49, max=415, avg=163.21, stdev=69.81 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 75], 10.00th=[ 88], 20.00th=[ 105], | 30.00th=[ 118], 40.00th=[ 136], 50.00th=[ 148], 60.00th=[ 165], | 70.00th=[ 190], 80.00th=[ 218], 90.00th=[ 262], 95.00th=[ 305], | 99.00th=[ 372], 99.50th=[ 376], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 30, max= 160, per=26.40%, avg=78.95, stdev=34.31, samples=162 iops : min= 1, max= 10, avg= 4.15, stdev= 2.17, samples=162 lat (msec) : 10=1.82%, 20=8.46%, 50=24.22%, 100=17.58%, 250=41.41% lat (msec) : 500=6.51% cpu : usr=0.03%, sys=1.00%, ctx=1308, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144391: Fri Aug 21 15:58:15 2026 read: IOPS=4, BW=76.4KiB/s (78.2kB/s)(6256KiB/81905msec) clat (msec): min=7, max=264, avg=43.81, stdev=37.88 lat (msec): min=7, max=264, avg=43.81, stdev=37.88 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 32], 60.00th=[ 37], | 70.00th=[ 46], 80.00th=[ 60], 90.00th=[ 87], 95.00th=[ 126], | 99.00th=[ 203], 99.50th=[ 262], 99.90th=[ 266], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 31, max= 351, per=31.25%, avg=88.75, stdev=63.50, samples=139 iops : min= 1, max= 21, avg= 4.76, stdev= 3.98, samples=139 write: IOPS=4, BW=73.6KiB/s (75.4kB/s)(6032KiB/81905msec); 0 zone resets clat (msec): min=42, max=484, avg=170.74, stdev=73.53 lat (msec): min=42, max=484, avg=170.75, stdev=73.54 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 82], 10.00th=[ 93], 20.00th=[ 112], | 30.00th=[ 124], 40.00th=[ 136], 50.00th=[ 155], 60.00th=[ 174], | 70.00th=[ 197], 80.00th=[ 224], 90.00th=[ 275], 95.00th=[ 326], | 99.00th=[ 409], 99.50th=[ 426], 99.90th=[ 485], 99.95th=[ 485], | 99.99th=[ 485] bw ( KiB/s): min= 30, max= 159, per=24.59%, avg=73.52, stdev=30.26, samples=161 iops : min= 1, max= 9, avg= 3.80, stdev= 1.93, samples=161 lat (msec) : 10=0.91%, 20=10.16%, 50=27.73%, 100=14.58%, 250=39.45% lat (msec) : 500=7.16% cpu : usr=0.04%, sys=1.08%, ctx=1324, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144392: Fri Aug 21 15:58:15 2026 read: IOPS=4, BW=73.2KiB/s (75.0kB/s)(6032KiB/82354msec) clat (msec): min=6, max=431, avg=48.44, stdev=50.35 lat (msec): min=6, max=431, avg=48.44, stdev=50.35 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 28], 50.00th=[ 33], 60.00th=[ 39], | 70.00th=[ 48], 80.00th=[ 62], 90.00th=[ 105], 95.00th=[ 157], | 99.00th=[ 264], 99.50th=[ 388], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 30, max= 284, per=30.77%, avg=87.39, stdev=58.03, samples=134 iops : min= 1, max= 17, avg= 4.66, stdev= 3.70, samples=134 write: IOPS=4, BW=75.0KiB/s (77.8kB/s)(6256KiB/82354msec); 0 zone resets clat (msec): min=45, max=510, avg=163.65, stdev=67.96 lat (msec): min=45, max=510, avg=163.65, stdev=67.96 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 73], 10.00th=[ 88], 20.00th=[ 106], | 30.00th=[ 124], 40.00th=[ 140], 50.00th=[ 155], 60.00th=[ 167], | 70.00th=[ 190], 80.00th=[ 218], 90.00th=[ 249], 95.00th=[ 275], | 99.00th=[ 414], 99.50th=[ 456], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 30, max= 160, per=25.79%, avg=77.11, stdev=31.56, samples=158 iops : min= 1, max= 10, avg= 4.03, stdev= 2.03, samples=158 lat (msec) : 10=1.17%, 20=10.42%, 50=24.35%, 100=16.41%, 250=42.71% lat (msec) : 500=4.82%, 750=0.13% cpu : usr=0.04%, sys=1.08%, ctx=1250, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=285KiB/s (291kB/s), 69.0KiB/s-76.4KiB/s (70.7kB/s-78.2kB/s), io=23.4MiB (24.5MB), run=81905-84165msec WRITE: bw=299KiB/s (307kB/s), 73.6KiB/s-78.7KiB/s (75.4kB/s-80.6kB/s), io=24.6MiB (25.8MB), run=81905-84165msec 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=144422: Fri Aug 21 15:58:33 2026 read: IOPS=2, BW=2457KiB/s (2516kB/s)(7168KiB/2917msec) clat (usec): min=548, max=315817, avg=197673.94, stdev=101860.46 lat (usec): min=550, max=315818, avg=197675.64, stdev=101860.45 clat percentiles (usec): | 1.00th=[ 545], 5.00th=[ 545], 10.00th=[ 545], 20.00th=[177210], | 30.00th=[185598], 40.00th=[185598], 50.00th=[189793], 60.00th=[227541], | 70.00th=[227541], 80.00th=[287310], 90.00th=[316670], 95.00th=[316670], | 99.00th=[316670], 99.50th=[316670], 99.90th=[316670], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 2023, max= 4079, per=80.70%, avg=2885.00, stdev=1028.02, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1755KiB/s (1797kB/s)(5120KiB/2917msec); 0 zone resets clat (msec): min=162, max=384, avg=282.62, stdev=90.82 lat (msec): min=162, max=384, avg=282.72, stdev=90.81 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 163], 10.00th=[ 163], 20.00th=[ 163], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 266], 60.00th=[ 266], | 70.00th=[ 363], 80.00th=[ 363], 90.00th=[ 384], 95.00th=[ 384], | 99.00th=[ 384], 99.50th=[ 384], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 2023, max= 4023, per=53.79%, avg=2692.33, stdev=1152.40, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=50.00%, 500=41.67% cpu : usr=0.00%, sys=10.94%, ctx=142, 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=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=144423: Fri Aug 21 15:58:33 2026 read: IOPS=0, BW=358KiB/s (366kB/s)(2048KiB/5728msec) clat (msec): min=6, max=278, avg=142.24, stdev=192.21 lat (msec): min=6, max=278, avg=142.24, stdev=192.21 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 7], | 30.00th=[ 7], 40.00th=[ 7], 50.00th=[ 7], 60.00th=[ 279], | 70.00th=[ 279], 80.00th=[ 279], 90.00th=[ 279], 95.00th=[ 279], | 99.00th=[ 279], 99.50th=[ 279], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 1896, max= 2023, per=54.81%, avg=1959.50, stdev=89.80, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1788KiB/s (1831kB/s)(10.0MiB/5728msec); 0 zone resets clat (msec): min=224, max=1170, avg=505.96, stdev=322.89 lat (msec): min=225, max=1170, avg=506.35, stdev=322.72 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 226], 10.00th=[ 226], 20.00th=[ 228], | 30.00th=[ 239], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 435], | 70.00th=[ 464], 80.00th=[ 726], 90.00th=[ 902], 95.00th=[ 1167], | 99.00th=[ 1167], 99.50th=[ 1167], 99.90th=[ 1167], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 1896, max= 4079, per=51.49%, avg=2577.00, stdev=1019.23, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 10=8.33%, 250=25.00%, 500=41.67%, 750=8.33%, 1000=8.33% lat (msec) : 2000=8.33% cpu : usr=0.02%, sys=9.32%, ctx=146, 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=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=144424: Fri Aug 21 15:58:33 2026 read: IOPS=1, BW=1784KiB/s (1827kB/s)(6144KiB/3443msec) clat (usec): min=666, max=257383, avg=117406.15, stdev=129646.38 lat (usec): min=668, max=257383, avg=117407.64, stdev=129645.88 clat percentiles (usec): | 1.00th=[ 668], 5.00th=[ 668], 10.00th=[ 668], 20.00th=[ 791], | 30.00th=[ 791], 40.00th=[ 2278], 50.00th=[ 2278], 60.00th=[187696], | 70.00th=[254804], 80.00th=[254804], 90.00th=[256902], 95.00th=[256902], | 99.00th=[256902], 99.50th=[256902], 99.90th=[256902], 99.95th=[256902], | 99.99th=[256902] bw ( KiB/s): min= 3792, max= 6095, per=100.00%, avg=4943.50, stdev=1628.47, samples=2 iops : min= 3, max= 5, avg= 4.00, stdev= 1.41, samples=2 write: IOPS=1, BW=1784KiB/s (1827kB/s)(6144KiB/3443msec); 0 zone resets clat (msec): min=132, max=1045, avg=411.08, stdev=332.16 lat (msec): min=132, max=1045, avg=411.25, stdev=332.09 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 132], 10.00th=[ 132], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 236], 50.00th=[ 236], 60.00th=[ 380], | 70.00th=[ 456], 80.00th=[ 456], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 1896, max= 4047, per=49.88%, avg=2496.25, stdev=1035.54, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 4=8.33%, 250=33.33%, 500=33.33%, 2000=8.33% cpu : usr=0.00%, sys=9.50%, ctx=147, 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=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=144425: Fri Aug 21 15:58:33 2026 read: IOPS=1, BW=1177KiB/s (1205kB/s)(5120KiB/4351msec) clat (usec): min=949, max=332370, avg=175865.92, stdev=159021.03 lat (usec): min=951, max=332371, avg=175867.22, stdev=159020.65 clat percentiles (usec): | 1.00th=[ 947], 5.00th=[ 947], 10.00th=[ 947], 20.00th=[ 947], | 30.00th=[ 9896], 40.00th=[ 9896], 50.00th=[240124], 60.00th=[240124], | 70.00th=[295699], 80.00th=[295699], 90.00th=[333448], 95.00th=[333448], | 99.00th=[333448], 99.50th=[333448], 99.90th=[333448], 99.95th=[333448], | 99.99th=[333448] bw ( KiB/s): min= 1896, max= 6047, per=100.00%, avg=3971.50, stdev=2935.20, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1647KiB/s (1687kB/s)(7168KiB/4351msec); 0 zone resets clat (msec): min=102, max=870, avg=436.16, stdev=296.24 lat (msec): min=102, max=870, avg=436.28, stdev=296.25 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 103], 10.00th=[ 103], 20.00th=[ 165], | 30.00th=[ 266], 40.00th=[ 266], 50.00th=[ 313], 60.00th=[ 634], | 70.00th=[ 634], 80.00th=[ 701], 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= 1896, max= 4055, per=46.82%, avg=2343.17, stdev=840.30, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (usec) : 1000=8.33% lat (msec) : 10=8.33%, 250=25.00%, 500=33.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=10.16%, ctx=176, 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=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=3575KiB/s (3661kB/s), 358KiB/s-2457KiB/s (366kB/s-2516kB/s), io=20.0MiB (20.0MB), run=2917-5728msec WRITE: bw=5006KiB/s (5126kB/s), 1647KiB/s-1788KiB/s (1687kB/s-1831kB/s), io=28.0MiB (29.4MB), run=2917-5728msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144418: Fri Aug 21 15:58:34 2026 read: IOPS=1, BW=1620KiB/s (1658kB/s)(7168KiB/4426msec) clat (msec): min=99, max=302, avg=227.33, stdev=65.17 lat (msec): min=99, max=302, avg=227.34, stdev=65.17 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 100], 10.00th=[ 100], 20.00th=[ 201], | 30.00th=[ 222], 40.00th=[ 222], 50.00th=[ 251], 60.00th=[ 257], | 70.00th=[ 257], 80.00th=[ 264], 90.00th=[ 305], 95.00th=[ 305], | 99.00th=[ 305], 99.50th=[ 305], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 1738, max= 3930, per=90.99%, avg=2901.75, stdev=1176.50, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1157KiB/s (1185kB/s)(5120KiB/4426msec); 0 zone resets clat (msec): min=301, max=628, avg=494.21, stdev=147.66 lat (msec): min=301, max=628, avg=494.32, stdev=147.68 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 300], 10.00th=[ 300], 20.00th=[ 300], | 30.00th=[ 376], 40.00th=[ 376], 50.00th=[ 558], 60.00th=[ 558], | 70.00th=[ 609], 80.00th=[ 609], 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= 1965, max= 4031, per=56.20%, avg=2508.75, stdev=1015.28, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=16.67%, 500=50.00%, 750=25.00% cpu : usr=0.00%, sys=3.25%, ctx=81, 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=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=144419: Fri Aug 21 15:58:34 2026 read: IOPS=0, BW=366KiB/s (374kB/s)(2048KiB/5603msec) clat (msec): min=122, max=211, avg=166.61, stdev=63.06 lat (msec): min=122, max=211, avg=166.61, stdev=63.06 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 123], | 30.00th=[ 123], 40.00th=[ 123], 50.00th=[ 123], 60.00th=[ 211], | 70.00th=[ 211], 80.00th=[ 211], 90.00th=[ 211], 95.00th=[ 211], | 99.00th=[ 211], 99.50th=[ 211], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 1756, max= 2000, per=58.89%, avg=1878.00, stdev=172.53, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1828KiB/s (1871kB/s)(10.0MiB/5603msec); 0 zone resets clat (msec): min=223, max=738, avg=515.21, stdev=184.61 lat (msec): min=223, max=739, avg=515.45, stdev=184.73 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 224], 10.00th=[ 224], 20.00th=[ 268], | 30.00th=[ 372], 40.00th=[ 460], 50.00th=[ 472], 60.00th=[ 600], | 70.00th=[ 642], 80.00th=[ 676], 90.00th=[ 701], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 1950, max= 4023, per=50.55%, avg=2256.75, stdev=714.43, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=25.00%, 500=33.33%, 750=41.67% cpu : usr=0.04%, sys=3.20%, ctx=92, 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=144420: Fri Aug 21 15:58:34 2026 read: IOPS=1, BW=1070KiB/s (1095kB/s)(6144KiB/5744msec) clat (msec): min=86, max=792, avg=353.58, stdev=246.69 lat (msec): min=86, max=792, avg=353.58, stdev=246.69 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 87], 10.00th=[ 87], 20.00th=[ 165], | 30.00th=[ 165], 40.00th=[ 317], 50.00th=[ 317], 60.00th=[ 359], | 70.00th=[ 405], 80.00th=[ 405], 90.00th=[ 793], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 1996, max= 4039, per=78.72%, avg=2510.50, stdev=1019.01, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1070KiB/s (1095kB/s)(6144KiB/5744msec); 0 zone resets clat (msec): min=232, max=972, avg=556.34, stdev=335.11 lat (msec): min=232, max=972, avg=556.47, stdev=335.11 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 300], | 30.00th=[ 300], 40.00th=[ 326], 50.00th=[ 326], 60.00th=[ 542], | 70.00th=[ 961], 80.00th=[ 961], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 1965, max= 3900, per=53.51%, avg=2388.60, stdev=845.51, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 100=8.33%, 250=16.67%, 500=41.67%, 750=8.33%, 1000=25.00% cpu : usr=0.00%, sys=2.72%, ctx=78, 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=144421: Fri Aug 21 15:58:34 2026 read: IOPS=0, BW=797KiB/s (816kB/s)(5120KiB/6422msec) clat (msec): min=101, max=1656, avg=552.40, stdev=643.81 lat (msec): min=101, max=1656, avg=552.40, stdev=643.81 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 102], 10.00th=[ 102], 20.00th=[ 102], | 30.00th=[ 108], 40.00th=[ 108], 50.00th=[ 359], 60.00th=[ 359], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 1653], 95.00th=[ 1653], | 99.00th=[ 1653], 99.50th=[ 1653], 99.90th=[ 1653], 99.95th=[ 1653], | 99.99th=[ 1653] bw ( KiB/s): min= 2007, max= 4087, per=84.76%, avg=2703.00, stdev=1198.59, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1116KiB/s (1143kB/s)(7168KiB/6422msec); 0 zone resets clat (msec): min=159, max=893, avg=476.70, stdev=241.71 lat (msec): min=159, max=893, avg=477.73, stdev=242.27 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 305], | 30.00th=[ 347], 40.00th=[ 347], 50.00th=[ 447], 60.00th=[ 584], | 70.00th=[ 584], 80.00th=[ 600], 90.00th=[ 894], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 1950, max= 4079, per=53.82%, avg=2402.40, stdev=937.62, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=25.00%, 500=33.33%, 750=25.00%, 1000=8.33%, 2000=8.33% cpu : usr=0.02%, sys=2.63%, ctx=82, 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=3189KiB/s (3266kB/s), 366KiB/s-1620KiB/s (374kB/s-1658kB/s), io=20.0MiB (20.0MB), run=4426-6422msec WRITE: bw=4465KiB/s (4572kB/s), 1070KiB/s-1828KiB/s (1095kB/s-1871kB/s), io=28.0MiB (29.4MB), run=4426-6422msec 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=144431: Fri Aug 21 15:58:48 2026 read: IOPS=0, BW=3252KiB/s (3330kB/s)(12.0MiB/3779msec) clat (msec): min=835, max=1560, avg=1235.28, stdev=368.60 lat (msec): min=835, max=1560, avg=1235.29, stdev=368.60 clat percentiles (msec): | 1.00th=[ 835], 5.00th=[ 835], 10.00th=[ 835], 20.00th=[ 835], | 30.00th=[ 835], 40.00th=[ 1318], 50.00th=[ 1318], 60.00th=[ 1318], | 70.00th=[ 1569], 80.00th=[ 1569], 90.00th=[ 1569], 95.00th=[ 1569], | 99.00th=[ 1569], 99.50th=[ 1569], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 8047, max= 8175, per=100.00%, avg=8111.00, stdev=90.51, 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=0.05%, sys=2.49%, ctx=44, 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=144432: Fri Aug 21 15:58:48 2026 read: IOPS=0, BW=1363KiB/s (1395kB/s)(4096KiB/3006msec) clat (nsec): min=1197.2M, max=1197.2M, avg=1197194904.00, stdev= 0.00 lat (nsec): min=1197.2M, max=1197.2M, avg=1197198560.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1200], 5.00th=[ 1200], 10.00th=[ 1200], 20.00th=[ 1200], | 30.00th=[ 1200], 40.00th=[ 1200], 50.00th=[ 1200], 60.00th=[ 1200], | 70.00th=[ 1200], 80.00th=[ 1200], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 8078, max= 8078, per=100.00%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2725KiB/s (2791kB/s)(8192KiB/3006msec); 0 zone resets clat (msec): min=691, max=1012, avg=852.15, stdev=226.98 lat (msec): min=695, max=1016, avg=855.97, stdev=226.89 clat percentiles (msec): | 1.00th=[ 693], 5.00th=[ 693], 10.00th=[ 693], 20.00th=[ 693], | 30.00th=[ 693], 40.00th=[ 693], 50.00th=[ 693], 60.00th=[ 1011], | 70.00th=[ 1011], 80.00th=[ 1011], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 7488, max= 7488, per=81.17%, avg=7488.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.36%, ctx=39, 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=144433: Fri Aug 21 15:58:48 2026 write: IOPS=0, BW=3459KiB/s (3542kB/s)(12.0MiB/3552msec); 0 zone resets clat (msec): min=540, max=1686, avg=1154.03, stdev=576.94 lat (msec): min=542, max=1686, avg=1155.03, stdev=576.09 clat percentiles (msec): | 1.00th=[ 542], 5.00th=[ 542], 10.00th=[ 542], 20.00th=[ 542], | 30.00th=[ 542], 40.00th=[ 1234], 50.00th=[ 1234], 60.00th=[ 1234], | 70.00th=[ 1687], 80.00th=[ 1687], 90.00th=[ 1687], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 6320, max= 7488, per=74.84%, avg=6904.00, stdev=825.90, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=2.59%, ctx=63, 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=144434: Fri Aug 21 15:58:48 2026 write: IOPS=1, BW=6331KiB/s (6483kB/s)(12.0MiB/1941msec); 0 zone resets clat (msec): min=461, max=937, avg=631.26, stdev=265.61 lat (msec): min=462, max=939, avg=632.79, stdev=266.20 clat percentiles (msec): | 1.00th=[ 460], 5.00th=[ 460], 10.00th=[ 460], 20.00th=[ 460], | 30.00th=[ 460], 40.00th=[ 498], 50.00th=[ 498], 60.00th=[ 498], | 70.00th=[ 936], 80.00th=[ 936], 90.00th=[ 936], 95.00th=[ 936], | 99.00th=[ 936], 99.50th=[ 936], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7160, max= 8175, per=83.12%, avg=7667.50, stdev=717.71, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.00%, sys=5.31%, ctx=44, 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=4336KiB/s (4440kB/s), 1363KiB/s-3252KiB/s (1395kB/s-3330kB/s), io=16.0MiB (16.8MB), run=3006-3779msec WRITE: bw=9225KiB/s (9447kB/s), 2725KiB/s-6331KiB/s (2791kB/s-6483kB/s), io=32.0MiB (33.6MB), run=1941-3552msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144436: Fri Aug 21 15:58:50 2026 read: IOPS=0, BW=3304KiB/s (3383kB/s)(12.0MiB/3719msec) clat (msec): min=1000, max=1362, avg=1239.01, stdev=206.82 lat (msec): min=1000, max=1362, avg=1239.01, stdev=206.82 clat percentiles (msec): | 1.00th=[ 1003], 5.00th=[ 1003], 10.00th=[ 1003], 20.00th=[ 1003], | 30.00th=[ 1003], 40.00th=[ 1351], 50.00th=[ 1351], 60.00th=[ 1351], | 70.00th=[ 1368], 80.00th=[ 1368], 90.00th=[ 1368], 95.00th=[ 1368], | 99.00th=[ 1368], 99.50th=[ 1368], 99.90th=[ 1368], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 7984, max= 8192, per=100.00%, avg=8088.00, stdev=147.08, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 2000=100.00% cpu : usr=0.00%, sys=9.66%, ctx=183, 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=144437: Fri Aug 21 15:58:50 2026 read: IOPS=0, BW=972KiB/s (995kB/s)(4096KiB/4214msec) clat (nsec): min=1520.1M, max=1520.1M, avg=1520107289.00, stdev= 0.00 lat (nsec): min=1520.1M, max=1520.1M, avg=1520108954.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1519], 5.00th=[ 1519], 10.00th=[ 1519], 20.00th=[ 1519], | 30.00th=[ 1519], 40.00th=[ 1519], 50.00th=[ 1519], 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= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1944KiB/s (1991kB/s)(8192KiB/4214msec); 0 zone resets clat (msec): min=1339, max=1351, avg=1345.84, stdev= 8.56 lat (msec): min=1340, max=1352, avg=1346.34, stdev= 8.51 clat percentiles (msec): | 1.00th=[ 1334], 5.00th=[ 1334], 10.00th=[ 1334], 20.00th=[ 1334], | 30.00th=[ 1334], 40.00th=[ 1334], 50.00th=[ 1334], 60.00th=[ 1351], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 2000=100.00% cpu : usr=0.00%, sys=2.28%, 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=144438: Fri Aug 21 15:58:50 2026 write: IOPS=0, BW=2787KiB/s (2854kB/s)(12.0MiB/4409msec); 0 zone resets clat (msec): min=696, max=2121, avg=1468.02, stdev=719.68 lat (msec): min=697, max=2122, avg=1469.02, stdev=719.99 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 1586], 50.00th=[ 1586], 60.00th=[ 1586], | 70.00th=[ 2123], 80.00th=[ 2123], 90.00th=[ 2123], 95.00th=[ 2123], | 99.00th=[ 2123], 99.50th=[ 2123], 99.90th=[ 2123], 99.95th=[ 2123], | 99.99th=[ 2123] bw ( KiB/s): min= 8078, max= 8126, per=100.00%, avg=8102.00, stdev=33.94, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=5.04%, ctx=88, 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=144439: Fri Aug 21 15:58:50 2026 write: IOPS=0, BW=3458KiB/s (3541kB/s)(12.0MiB/3553msec); 0 zone resets clat (msec): min=698, max=1437, avg=1181.77, stdev=418.98 lat (msec): min=699, max=1440, avg=1183.20, stdev=418.94 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 1418], 50.00th=[ 1418], 60.00th=[ 1418], | 70.00th=[ 1435], 80.00th=[ 1435], 90.00th=[ 1435], 95.00th=[ 1435], | 99.00th=[ 1435], 99.50th=[ 1435], 99.90th=[ 1435], 99.95th=[ 1435], | 99.99th=[ 1435] bw ( KiB/s): min= 8159, max= 8192, per=100.00%, avg=8175.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=2.96%, ctx=53, 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=3888KiB/s (3981kB/s), 972KiB/s-3304KiB/s (995kB/s-3383kB/s), io=16.0MiB (16.8MB), run=3719-4214msec WRITE: bw=7432KiB/s (7610kB/s), 1944KiB/s-3458KiB/s (1991kB/s-3541kB/s), io=32.0MiB (33.6MB), run=3553-4409msec