== sanity test 398b: DIO and buffer IO race ============== 19:35:57 (1786750557) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.25327 s, 9.6 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145918: Fri Aug 14 19:38:30 2026 read: IOPS=11, BW=45.3KiB/s (46.4kB/s)(5992KiB/132312msec) clat (usec): min=36, max=971895, avg=44039.15, stdev=42007.40 lat (usec): min=36, max=971897, avg=44041.47, stdev=42008.91 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 66], 10.00th=[ 3032], 20.00th=[ 21627], | 30.00th=[ 26608], 40.00th=[ 31589], 50.00th=[ 36439], 60.00th=[ 43254], | 70.00th=[ 51643], 80.00th=[ 63177], 90.00th=[ 81265], 95.00th=[ 98042], | 99.00th=[168821], 99.50th=[187696], 99.90th=[522191], 99.95th=[968885], | 99.99th=[968885] bw ( KiB/s): min= 5, max= 110, per=25.72%, avg=45.53, stdev=18.91, samples=257 iops : min= 1, max= 27, avg=10.74, stdev= 4.74, samples=257 write: IOPS=11, BW=47.6KiB/s (48.7kB/s)(6296KiB/132312msec); 0 zone resets clat (usec): min=1176, max=455154, avg=41803.33, stdev=43098.38 lat (usec): min=1178, max=455156, avg=41805.08, stdev=43098.36 clat percentiles (usec): | 1.00th=[ 1303], 5.00th=[ 1647], 10.00th=[ 2671], 20.00th=[ 5604], | 30.00th=[ 10290], 40.00th=[ 20579], 50.00th=[ 31851], 60.00th=[ 41157], | 70.00th=[ 53216], 80.00th=[ 69731], 90.00th=[ 99091], 95.00th=[121111], | 99.00th=[173016], 99.50th=[210764], 99.90th=[387974], 99.95th=[455082], | 99.99th=[455082] bw ( KiB/s): min= 7, max= 142, per=25.73%, avg=47.60, stdev=21.69, samples=258 iops : min= 1, max= 35, avg=11.27, stdev= 5.45, samples=258 lat (usec) : 50=0.36%, 100=3.48%, 250=0.62%, 500=0.10%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=3.78%, 4=3.97%, 10=7.75%, 20=8.85%, 50=39.06% lat (msec) : 100=24.58%, 250=7.03%, 500=0.23%, 750=0.03%, 1000=0.03% cpu : usr=0.08%, sys=5.25%, ctx=6756, 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=145920: Fri Aug 14 19:38:30 2026 read: IOPS=11, BW=44.3KiB/s (45.4kB/s)(5940KiB/134068msec) clat (usec): min=34, max=343983, avg=44536.11, stdev=32231.43 lat (usec): min=34, max=343984, avg=44537.56, stdev=32231.31 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 69], 10.00th=[ 12911], 20.00th=[ 21365], | 30.00th=[ 27132], 40.00th=[ 32375], 50.00th=[ 38011], 60.00th=[ 45351], | 70.00th=[ 54264], 80.00th=[ 66847], 90.00th=[ 82314], 95.00th=[ 99091], | 99.00th=[158335], 99.50th=[191890], 99.90th=[248513], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 5, max= 102, per=25.12%, avg=44.45, stdev=17.74, samples=260 iops : min= 1, max= 25, avg=10.48, stdev= 4.47, samples=260 write: IOPS=11, BW=47.3KiB/s (48.5kB/s)(6348KiB/134068msec); 0 zone resets clat (usec): min=1200, max=915743, avg=42453.56, stdev=46951.87 lat (usec): min=1201, max=915746, avg=42457.09, stdev=46951.57 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1565], 10.00th=[ 2737], 20.00th=[ 5538], | 30.00th=[ 10290], 40.00th=[ 21890], 50.00th=[ 32637], 60.00th=[ 42730], | 70.00th=[ 55837], 80.00th=[ 71828], 90.00th=[ 95945], 95.00th=[115868], | 99.00th=[177210], 99.50th=[202376], 99.90th=[492831], 99.95th=[918553], | 99.99th=[918553] bw ( KiB/s): min= 7, max= 111, per=25.43%, avg=47.04, stdev=19.83, samples=262 iops : min= 1, max= 27, avg=11.13, stdev= 4.97, samples=262 lat (usec) : 50=0.36%, 100=2.96%, 250=0.55%, 500=0.10%, 750=0.03% lat (usec) : 1000=0.07% lat (msec) : 2=3.81%, 4=4.10%, 10=7.81%, 20=8.89%, 50=36.59% lat (msec) : 100=27.80%, 250=6.74%, 500=0.16%, 1000=0.03% cpu : usr=0.08%, sys=5.42%, ctx=7098, 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=145921: Fri Aug 14 19:38:30 2026 read: IOPS=11, BW=44.5KiB/s (45.6kB/s)(6028KiB/135346msec) clat (usec): min=34, max=272816, avg=42358.35, stdev=29651.56 lat (usec): min=34, max=272818, avg=42359.72, stdev=29651.55 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 65], 10.00th=[ 10159], 20.00th=[ 20841], | 30.00th=[ 26084], 40.00th=[ 31065], 50.00th=[ 36963], 60.00th=[ 44303], | 70.00th=[ 52167], 80.00th=[ 63701], 90.00th=[ 79168], 95.00th=[ 92799], | 99.00th=[130548], 99.50th=[179307], 99.90th=[238027], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 7, max= 111, per=25.40%, avg=44.97, stdev=18.53, samples=261 iops : min= 1, max= 27, avg=10.61, stdev= 4.65, samples=261 write: IOPS=11, BW=46.3KiB/s (47.4kB/s)(6260KiB/135346msec); 0 zone resets clat (usec): min=1144, max=958237, avg=45348.76, stdev=49787.72 lat (usec): min=1144, max=958238, avg=45351.77, stdev=49789.12 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 1582], 10.00th=[ 2835], 20.00th=[ 5932], | 30.00th=[ 11600], 40.00th=[ 24249], 50.00th=[ 34341], 60.00th=[ 45351], | 70.00th=[ 58983], 80.00th=[ 77071], 90.00th=[100140], 95.00th=[126354], | 99.00th=[185598], 99.50th=[219153], 99.90th=[450888], 99.95th=[960496], | 99.99th=[960496] bw ( KiB/s): min= 7, max= 111, per=24.88%, avg=46.03, stdev=18.81, samples=265 iops : min= 1, max= 27, avg=10.87, stdev= 4.73, samples=265 lat (usec) : 50=0.59%, 100=3.39%, 250=0.42%, 500=0.07% lat (msec) : 2=3.71%, 4=3.68%, 10=7.10%, 20=9.18%, 50=37.24% lat (msec) : 100=27.77%, 250=6.67%, 500=0.16%, 1000=0.03% cpu : usr=0.07%, sys=5.24%, ctx=6931, 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=145923: Fri Aug 14 19:38:30 2026 read: IOPS=11, BW=44.7KiB/s (45.8kB/s)(6052KiB/135350msec) clat (usec): min=32, max=273457, avg=42145.46, stdev=30549.61 lat (usec): min=32, max=273459, avg=42146.81, stdev=30549.63 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 65], 10.00th=[ 7767], 20.00th=[ 20579], | 30.00th=[ 25560], 40.00th=[ 30802], 50.00th=[ 35914], 60.00th=[ 42730], | 70.00th=[ 51643], 80.00th=[ 63701], 90.00th=[ 79168], 95.00th=[ 96994], | 99.00th=[141558], 99.50th=[170918], 99.90th=[252707], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 8, max= 102, per=25.47%, avg=45.09, stdev=17.80, samples=262 iops : min= 2, max= 25, avg=10.63, stdev= 4.44, samples=262 write: IOPS=11, BW=46.1KiB/s (47.2kB/s)(6236KiB/135350msec); 0 zone resets clat (usec): min=1130, max=796205, avg=45558.60, stdev=49451.80 lat (usec): min=1132, max=796207, avg=45563.24, stdev=49453.25 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1631], 10.00th=[ 2573], 20.00th=[ 5866], | 30.00th=[ 11469], 40.00th=[ 22414], 50.00th=[ 32637], 60.00th=[ 45351], | 70.00th=[ 60031], 80.00th=[ 77071], 90.00th=[104334], 95.00th=[127402], | 99.00th=[196084], 99.50th=[221250], 99.90th=[480248], 99.95th=[792724], | 99.99th=[792724] bw ( KiB/s): min= 7, max= 111, per=24.78%, avg=45.84, stdev=17.80, samples=265 iops : min= 1, max= 27, avg=10.83, stdev= 4.49, samples=265 lat (usec) : 50=0.49%, 100=3.52%, 250=0.46%, 500=0.07%, 750=0.07% lat (usec) : 1000=0.07% lat (msec) : 2=3.55%, 4=3.65%, 10=7.19%, 20=9.47%, 50=37.50% lat (msec) : 100=25.94%, 250=7.85%, 500=0.16%, 1000=0.03% cpu : usr=0.07%, sys=5.28%, ctx=6964, 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=177KiB/s (182kB/s), 44.3KiB/s-45.3KiB/s (45.4kB/s-46.4kB/s), io=23.4MiB (24.6MB), run=132312-135350msec WRITE: bw=186KiB/s (190kB/s), 46.1KiB/s-47.6KiB/s (47.2kB/s-48.7kB/s), io=24.6MiB (25.7MB), run=132312-135350msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145917: Fri Aug 14 19:40:43 2026 read: IOPS=5, BW=22.6KiB/s (23.1kB/s)(5992KiB/265328msec) clat (msec): min=6, max=970, avg=37.03, stdev=47.34 lat (msec): min=6, max=970, avg=37.03, stdev=47.34 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 24], 60.00th=[ 28], | 70.00th=[ 35], 80.00th=[ 49], 90.00th=[ 79], 95.00th=[ 107], | 99.00th=[ 209], 99.50th=[ 271], 99.90th=[ 550], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 7, max= 102, per=28.01%, avg=24.93, stdev=16.93, samples=464 iops : min= 1, max= 25, avg= 5.60, stdev= 4.27, samples=464 write: IOPS=5, BW=23.7KiB/s (24.3kB/s)(6296KiB/265328msec); 0 zone resets clat (msec): min=36, max=459, avg=133.02, stdev=60.74 lat (msec): min=36, max=459, avg=133.03, stdev=60.74 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 83], | 30.00th=[ 93], 40.00th=[ 105], 50.00th=[ 117], 60.00th=[ 134], | 70.00th=[ 155], 80.00th=[ 182], 90.00th=[ 218], 95.00th=[ 253], | 99.00th=[ 321], 99.50th=[ 355], 99.90th=[ 435], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 7, max= 63, per=25.24%, avg=23.48, stdev=10.68, samples=516 iops : min= 1, max= 15, avg= 5.23, stdev= 2.72, samples=516 lat (msec) : 10=2.47%, 20=18.20%, 50=19.47%, 100=23.93%, 250=32.91% lat (msec) : 500=2.96%, 750=0.03%, 1000=0.03% cpu : usr=0.05%, sys=1.41%, ctx=5249, 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=145919: Fri Aug 14 19:40:43 2026 read: IOPS=5, BW=22.2KiB/s (22.7kB/s)(5940KiB/267939msec) clat (msec): min=5, max=702, avg=36.22, stdev=42.17 lat (msec): min=5, max=702, avg=36.23, stdev=42.17 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=[ 27], | 70.00th=[ 35], 80.00th=[ 46], 90.00th=[ 80], 95.00th=[ 109], | 99.00th=[ 203], 99.50th=[ 264], 99.90th=[ 550], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 7, max= 95, per=28.11%, avg=25.02, stdev=16.48, samples=458 iops : min= 1, max= 23, avg= 5.62, stdev= 4.16, samples=458 write: IOPS=5, BW=23.7KiB/s (24.3kB/s)(6348KiB/267939msec); 0 zone resets clat (msec): min=36, max=554, avg=134.65, stdev=65.07 lat (msec): min=36, max=554, avg=134.65, stdev=65.08 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 84], | 30.00th=[ 95], 40.00th=[ 106], 50.00th=[ 120], 60.00th=[ 136], | 70.00th=[ 155], 80.00th=[ 180], 90.00th=[ 222], 95.00th=[ 255], | 99.00th=[ 342], 99.50th=[ 388], 99.90th=[ 542], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 7, max= 56, per=25.13%, avg=23.37, stdev=11.01, samples=522 iops : min= 1, max= 14, avg= 5.20, stdev= 2.79, samples=522 lat (msec) : 10=2.77%, 20=17.32%, 50=20.51%, 100=23.01%, 250=33.30% lat (msec) : 500=2.96%, 750=0.13% cpu : usr=0.05%, sys=1.42%, ctx=5268, 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=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=145922: Fri Aug 14 19:40:43 2026 read: IOPS=5, BW=22.6KiB/s (23.1kB/s)(6028KiB/267225msec) clat (msec): min=5, max=462, avg=37.82, stdev=41.62 lat (msec): min=5, max=462, avg=37.82, stdev=41.62 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 24], 60.00th=[ 30], | 70.00th=[ 36], 80.00th=[ 51], 90.00th=[ 81], 95.00th=[ 112], | 99.00th=[ 207], 99.50th=[ 288], 99.90th=[ 447], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 7, max= 103, per=27.33%, avg=24.33, stdev=16.56, samples=478 iops : min= 1, max= 25, avg= 5.45, stdev= 4.17, samples=478 write: IOPS=5, BW=23.4KiB/s (23.0kB/s)(6260KiB/267225msec); 0 zone resets clat (msec): min=33, max=820, avg=134.05, stdev=62.85 lat (msec): min=33, max=820, avg=134.05, stdev=62.85 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 84], | 30.00th=[ 96], 40.00th=[ 107], 50.00th=[ 121], 60.00th=[ 138], | 70.00th=[ 155], 80.00th=[ 178], 90.00th=[ 215], 95.00th=[ 249], | 99.00th=[ 317], 99.50th=[ 351], 99.90th=[ 558], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 7, max= 55, per=25.17%, avg=23.40, stdev=10.58, samples=515 iops : min= 1, max= 13, avg= 5.22, stdev= 2.70, samples=515 lat (msec) : 10=2.05%, 20=17.81%, 50=20.08%, 100=23.24%, 250=33.95% lat (msec) : 500=2.80%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.44%, ctx=5272, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145924: Fri Aug 14 19:40:43 2026 read: IOPS=5, BW=22.8KiB/s (23.3kB/s)(6052KiB/265749msec) clat (msec): min=6, max=412, avg=37.40, stdev=39.68 lat (msec): min=6, max=412, avg=37.40, stdev=39.68 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 25], 60.00th=[ 29], | 70.00th=[ 35], 80.00th=[ 50], 90.00th=[ 82], 95.00th=[ 111], | 99.00th=[ 207], 99.50th=[ 266], 99.90th=[ 397], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 7, max= 103, per=28.24%, avg=25.14, stdev=16.72, samples=465 iops : min= 1, max= 25, avg= 5.65, stdev= 4.21, samples=465 write: IOPS=5, BW=23.5KiB/s (24.0kB/s)(6236KiB/265749msec); 0 zone resets clat (msec): min=38, max=779, avg=133.87, stdev=66.14 lat (msec): min=38, max=779, avg=133.87, stdev=66.14 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 83], | 30.00th=[ 94], 40.00th=[ 105], 50.00th=[ 118], 60.00th=[ 133], | 70.00th=[ 150], 80.00th=[ 178], 90.00th=[ 220], 95.00th=[ 259], | 99.00th=[ 347], 99.50th=[ 380], 99.90th=[ 523], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 7, max= 56, per=24.87%, avg=23.13, stdev=10.87, samples=519 iops : min= 1, max= 14, avg= 5.15, stdev= 2.75, samples=519 lat (msec) : 10=2.44%, 20=15.79%, 50=22.20%, 100=23.70%, 250=32.45% lat (msec) : 500=3.32%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.42%, ctx=5334, 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=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=89.6KiB/s (91.8kB/s), 22.2KiB/s-22.8KiB/s (22.7kB/s-23.3kB/s), io=23.4MiB (24.6MB), run=265328-267939msec WRITE: bw=93.8KiB/s (96.1kB/s), 23.4KiB/s-23.7KiB/s (23.0kB/s-24.3kB/s), io=24.6MiB (25.7MB), run=265328-267939msec 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=145976: Fri Aug 14 19:41:24 2026 read: IOPS=13, BW=211KiB/s (216kB/s)(5920KiB/28089msec) clat (usec): min=35, max=273933, avg=39299.54, stdev=34207.61 lat (usec): min=36, max=273934, avg=39300.71, stdev=34207.62 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 86], | 30.00th=[ 23725], 40.00th=[ 31065], 50.00th=[ 37487], 60.00th=[ 42206], | 70.00th=[ 47973], 80.00th=[ 62653], 90.00th=[ 79168], 95.00th=[ 93848], | 99.00th=[183501], 99.50th=[196084], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 63, max= 411, per=27.11%, avg=211.44, stdev=84.55, samples=55 iops : min= 3, max= 25, avg=12.42, stdev= 5.36, samples=55 write: IOPS=14, BW=227KiB/s (232kB/s)(6368KiB/28089msec); 0 zone resets clat (usec): min=1570, max=269411, avg=32956.41, stdev=34829.58 lat (usec): min=1572, max=269412, avg=32958.48, stdev=34829.57 clat percentiles (usec): | 1.00th=[ 1614], 5.00th=[ 1991], 10.00th=[ 3064], 20.00th=[ 6063], | 30.00th=[ 8717], 40.00th=[ 14222], 50.00th=[ 21103], 60.00th=[ 30540], | 70.00th=[ 41681], 80.00th=[ 57934], 90.00th=[ 77071], 95.00th=[ 98042], | 99.00th=[175113], 99.50th=[231736], 99.90th=[270533], 99.95th=[270533], | 99.99th=[270533] bw ( KiB/s): min= 21, max= 471, per=27.80%, avg=228.20, stdev=90.76, samples=55 iops : min= 1, max= 29, avg=13.49, stdev= 5.67, samples=55 lat (usec) : 50=1.17%, 100=8.85%, 250=0.91%, 1000=0.13% lat (msec) : 2=2.86%, 4=4.82%, 10=9.90%, 20=9.38%, 50=35.81% lat (msec) : 100=22.14%, 250=3.78%, 500=0.26% cpu : usr=0.10%, sys=5.86%, ctx=1478, 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=145978: Fri Aug 14 19:41:24 2026 read: IOPS=12, BW=198KiB/s (203kB/s)(5744KiB/29023msec) clat (usec): min=38, max=260529, avg=39865.10, stdev=35580.65 lat (usec): min=38, max=260530, avg=39866.24, stdev=35580.65 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 110], | 30.00th=[ 23987], 40.00th=[ 29754], 50.00th=[ 35390], 60.00th=[ 42730], | 70.00th=[ 51643], 80.00th=[ 61604], 90.00th=[ 80217], 95.00th=[104334], | 99.00th=[145753], 99.50th=[231736], 99.90th=[261096], 99.95th=[261096], | 99.99th=[261096] bw ( KiB/s): min= 21, max= 408, per=25.97%, avg=202.54, stdev=92.87, samples=56 iops : min= 1, max= 25, avg=11.89, stdev= 5.84, samples=56 write: IOPS=14, BW=225KiB/s (231kB/s)(6544KiB/29023msec); 0 zone resets clat (usec): min=1505, max=328809, avg=35158.15, stdev=42964.42 lat (usec): min=1506, max=328811, avg=35160.15, stdev=42964.41 clat percentiles (usec): | 1.00th=[ 1713], 5.00th=[ 1975], 10.00th=[ 3163], 20.00th=[ 5276], | 30.00th=[ 7767], 40.00th=[ 11207], 50.00th=[ 16909], 60.00th=[ 30540], | 70.00th=[ 42206], 80.00th=[ 58983], 90.00th=[ 86508], 95.00th=[111674], | 99.00th=[193987], 99.50th=[252707], 99.90th=[329253], 99.95th=[329253], | 99.99th=[329253] bw ( KiB/s): min= 63, max= 415, per=27.54%, avg=226.12, stdev=90.81, samples=57 iops : min= 3, max= 25, avg=13.37, stdev= 5.70, samples=57 lat (usec) : 50=1.30%, 100=7.94%, 250=0.91%, 500=0.26%, 1000=0.26% lat (msec) : 2=2.86%, 4=5.08%, 10=11.46%, 20=10.16%, 50=30.99% lat (msec) : 100=23.57%, 250=4.69%, 500=0.52% cpu : usr=0.08%, sys=5.42%, ctx=1429, 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=145980: Fri Aug 14 19:41:24 2026 read: IOPS=12, BW=204KiB/s (209kB/s)(6256KiB/30680msec) clat (usec): min=36, max=228423, avg=41613.87, stdev=36831.16 lat (usec): min=37, max=228425, avg=41616.53, stdev=36829.78 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 56], 10.00th=[ 64], 20.00th=[ 766], | 30.00th=[ 22414], 40.00th=[ 30016], 50.00th=[ 35390], 60.00th=[ 44827], | 70.00th=[ 53740], 80.00th=[ 65799], 90.00th=[ 81265], 95.00th=[104334], | 99.00th=[193987], 99.50th=[214959], 99.90th=[227541], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 63, max= 448, per=26.76%, avg=208.73, stdev=86.47, samples=59 iops : min= 3, max= 28, avg=12.25, stdev= 5.49, samples=59 write: IOPS=12, BW=197KiB/s (201kB/s)(6032KiB/30680msec); 0 zone resets clat (usec): min=1550, max=324591, avg=37107.17, stdev=39080.44 lat (usec): min=1552, max=324593, avg=37109.22, stdev=39080.48 clat percentiles (usec): | 1.00th=[ 1680], 5.00th=[ 1893], 10.00th=[ 2999], 20.00th=[ 5669], | 30.00th=[ 9372], 40.00th=[ 13960], 50.00th=[ 25297], 60.00th=[ 36963], | 70.00th=[ 46400], 80.00th=[ 64750], 90.00th=[ 90702], 95.00th=[110625], | 99.00th=[154141], 99.50th=[193987], 99.90th=[325059], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 43, max= 441, per=24.11%, avg=197.98, stdev=85.31, samples=59 iops : min= 2, max= 27, avg=11.59, stdev= 5.38, samples=59 lat (usec) : 50=1.17%, 100=8.33%, 250=0.39%, 500=0.13%, 750=0.13% lat (usec) : 1000=0.39% lat (msec) : 2=3.52%, 4=3.52%, 10=8.98%, 20=9.24%, 50=32.81% lat (msec) : 100=24.74%, 250=6.51%, 500=0.13% cpu : usr=0.06%, sys=5.58%, ctx=1540, 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=145982: Fri Aug 14 19:41:24 2026 read: IOPS=13, BW=209KiB/s (214kB/s)(6032KiB/28819msec) clat (usec): min=32, max=470925, avg=41688.20, stdev=41015.98 lat (usec): min=32, max=470927, avg=41689.43, stdev=41015.98 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 127], | 30.00th=[ 24249], 40.00th=[ 30540], 50.00th=[ 37487], 60.00th=[ 45351], | 70.00th=[ 53216], 80.00th=[ 63701], 90.00th=[ 83362], 95.00th=[100140], | 99.00th=[156238], 99.50th=[295699], 99.90th=[471860], 99.95th=[471860], | 99.99th=[471860] bw ( KiB/s): min= 63, max= 442, per=26.55%, avg=207.11, stdev=87.42, samples=56 iops : min= 3, max= 27, avg=12.14, stdev= 5.53, samples=56 write: IOPS=13, BW=217KiB/s (222kB/s)(6256KiB/28819msec); 0 zone resets clat (usec): min=1600, max=167879, avg=33172.95, stdev=33747.20 lat (usec): min=1602, max=167880, avg=33180.41, stdev=33759.67 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[ 1975], 10.00th=[ 2966], 20.00th=[ 5211], | 30.00th=[ 7504], 40.00th=[ 12125], 50.00th=[ 18482], 60.00th=[ 31851], | 70.00th=[ 43254], 80.00th=[ 62653], 90.00th=[ 81265], 95.00th=[ 99091], | 99.00th=[135267], 99.50th=[154141], 99.90th=[168821], 99.95th=[168821], | 99.99th=[168821] bw ( KiB/s): min= 63, max= 538, per=26.33%, avg=216.16, stdev=92.23, samples=56 iops : min= 3, max= 33, avg=12.71, stdev= 5.81, samples=56 lat (usec) : 50=1.17%, 100=8.46%, 250=0.78%, 500=0.26%, 750=0.26% lat (msec) : 2=2.60%, 4=4.82%, 10=10.94%, 20=9.77%, 50=30.73% lat (msec) : 100=25.52%, 250=4.43%, 500=0.26% cpu : usr=0.08%, sys=5.34%, ctx=1423, 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=781KiB/s (799kB/s), 198KiB/s-211KiB/s (203kB/s-216kB/s), io=23.4MiB (24.5MB), run=28089-30680msec WRITE: bw=821KiB/s (841kB/s), 197KiB/s-227KiB/s (201kB/s-232kB/s), io=24.6MiB (25.8MB), run=28089-30680msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145977: Fri Aug 14 19:42:04 2026 read: IOPS=5, BW=83.3KiB/s (85.3kB/s)(5920KiB/71081msec) clat (msec): min=7, max=264, avg=41.12, stdev=37.88 lat (msec): min=7, max=264, avg=41.12, stdev=37.88 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 35], | 70.00th=[ 41], 80.00th=[ 55], 90.00th=[ 89], 95.00th=[ 126], | 99.00th=[ 203], 99.50th=[ 232], 99.90th=[ 266], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 31, max= 311, per=26.86%, avg=89.70, stdev=57.65, samples=128 iops : min= 1, max= 19, avg= 4.86, stdev= 3.65, samples=128 write: IOPS=5, BW=89.6KiB/s (91.7kB/s)(6368KiB/71081msec); 0 zone resets clat (msec): min=39, max=539, avg=139.24, stdev=62.21 lat (msec): min=39, max=539, avg=139.25, stdev=62.21 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 63], 10.00th=[ 74], 20.00th=[ 88], | 30.00th=[ 99], 40.00th=[ 112], 50.00th=[ 128], 60.00th=[ 144], | 70.00th=[ 161], 80.00th=[ 184], 90.00th=[ 226], 95.00th=[ 249], | 99.00th=[ 321], 99.50th=[ 380], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 29, max= 192, per=25.65%, avg=90.04, stdev=40.56, samples=138 iops : min= 1, max= 12, avg= 4.86, stdev= 2.65, samples=138 lat (msec) : 10=0.65%, 20=14.32%, 50=22.66%, 100=22.66%, 250=37.24% lat (msec) : 500=2.34%, 750=0.13% cpu : usr=0.04%, sys=1.41%, ctx=1323, 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=145979: Fri Aug 14 19:42:04 2026 read: IOPS=5, BW=80.2KiB/s (82.1kB/s)(5744KiB/71623msec) clat (msec): min=6, max=420, avg=39.75, stdev=42.32 lat (msec): min=6, max=420, avg=39.76, stdev=42.32 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 27], 60.00th=[ 30], | 70.00th=[ 37], 80.00th=[ 54], 90.00th=[ 84], 95.00th=[ 109], | 99.00th=[ 199], 99.50th=[ 326], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 30, max= 256, per=27.83%, avg=92.97, stdev=55.27, samples=120 iops : min= 1, max= 16, avg= 5.06, stdev= 3.51, samples=120 write: IOPS=5, BW=91.4KiB/s (93.6kB/s)(6544KiB/71623msec); 0 zone resets clat (msec): min=47, max=536, avg=139.74, stdev=64.64 lat (msec): min=47, max=536, avg=139.74, stdev=64.64 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 63], 10.00th=[ 73], 20.00th=[ 90], | 30.00th=[ 101], 40.00th=[ 112], 50.00th=[ 127], 60.00th=[ 142], | 70.00th=[ 161], 80.00th=[ 180], 90.00th=[ 232], 95.00th=[ 255], | 99.00th=[ 384], 99.50th=[ 401], 99.90th=[ 535], 99.95th=[ 535], | 99.99th=[ 535] bw ( KiB/s): min= 31, max= 191, per=26.22%, avg=92.04, stdev=38.01, samples=138 iops : min= 1, max= 11, avg= 4.99, stdev= 2.46, samples=138 lat (msec) : 10=1.17%, 20=12.50%, 50=23.44%, 100=22.14%, 250=37.11% lat (msec) : 500=3.52%, 750=0.13% cpu : usr=0.05%, sys=1.41%, ctx=1277, 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=145981: Fri Aug 14 19:42:04 2026 read: IOPS=5, BW=90.6KiB/s (92.8kB/s)(6256KiB/69029msec) clat (msec): min=7, max=444, avg=39.83, stdev=40.07 lat (msec): min=7, max=444, avg=39.84, stdev=40.07 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 20], 40.00th=[ 25], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 51], 90.00th=[ 84], 95.00th=[ 114], | 99.00th=[ 203], 99.50th=[ 241], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 31, max= 320, per=30.07%, avg=100.42, stdev=69.00, samples=123 iops : min= 1, max= 20, avg= 5.51, stdev= 4.42, samples=123 write: IOPS=5, BW=87.4KiB/s (89.5kB/s)(6032KiB/69029msec); 0 zone resets clat (msec): min=40, max=548, avg=140.73, stdev=66.15 lat (msec): min=40, max=548, avg=140.74, stdev=66.16 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 67], 10.00th=[ 80], 20.00th=[ 89], | 30.00th=[ 102], 40.00th=[ 112], 50.00th=[ 123], 60.00th=[ 140], | 70.00th=[ 157], 80.00th=[ 184], 90.00th=[ 230], 95.00th=[ 279], | 99.00th=[ 355], 99.50th=[ 384], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 29, max= 191, per=25.05%, avg=87.91, stdev=39.51, samples=134 iops : min= 1, max= 11, avg= 4.72, stdev= 2.56, samples=134 lat (msec) : 10=0.78%, 20=14.84%, 50=25.13%, 100=21.35%, 250=34.51% lat (msec) : 500=3.26%, 750=0.13% cpu : usr=0.06%, sys=1.47%, ctx=1332, 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=145983: Fri Aug 14 19:42:04 2026 read: IOPS=5, BW=85.7KiB/s (87.7kB/s)(6032KiB/70414msec) clat (msec): min=8, max=274, avg=38.84, stdev=36.11 lat (msec): min=8, max=274, avg=38.84, stdev=36.11 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 50], 90.00th=[ 88], 95.00th=[ 120], | 99.00th=[ 190], 99.50th=[ 239], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 29, max= 320, per=29.19%, avg=97.49, stdev=60.04, samples=121 iops : min= 1, max= 20, avg= 5.33, stdev= 3.83, samples=121 write: IOPS=5, BW=88.8KiB/s (90.0kB/s)(6256KiB/70414msec); 0 zone resets clat (msec): min=49, max=563, avg=141.49, stdev=66.40 lat (msec): min=49, max=563, avg=141.49, stdev=66.40 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 65], 10.00th=[ 75], 20.00th=[ 91], | 30.00th=[ 102], 40.00th=[ 115], 50.00th=[ 126], 60.00th=[ 142], | 70.00th=[ 159], 80.00th=[ 180], 90.00th=[ 230], 95.00th=[ 275], | 99.00th=[ 355], 99.50th=[ 409], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 31, max= 192, per=25.94%, avg=91.06, stdev=39.30, samples=135 iops : min= 1, max= 12, avg= 4.93, stdev= 2.56, samples=135 lat (msec) : 10=1.17%, 20=14.58%, 50=24.09%, 100=20.05%, 250=36.33% lat (msec) : 500=3.65%, 750=0.13% cpu : usr=0.04%, sys=1.41%, ctx=1329, 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=334KiB/s (342kB/s), 80.2KiB/s-90.6KiB/s (82.1kB/s-92.8kB/s), io=23.4MiB (24.5MB), run=69029-71623msec WRITE: bw=352KiB/s (360kB/s), 87.4KiB/s-91.4KiB/s (89.5kB/s-93.6kB/s), io=24.6MiB (25.8MB), run=69029-71623msec 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=146001: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1719KiB/s (1760kB/s)(7168KiB/4171msec) clat (msec): min=89, max=714, avg=255.52, stdev=228.88 lat (msec): min=89, max=714, avg=255.52, stdev=228.88 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 105], | 30.00th=[ 118], 40.00th=[ 118], 50.00th=[ 120], 60.00th=[ 262], | 70.00th=[ 262], 80.00th=[ 384], 90.00th=[ 718], 95.00th=[ 718], | 99.00th=[ 718], 99.50th=[ 718], 99.90th=[ 718], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 1996, max= 4357, per=65.16%, avg=2594.75, stdev=1174.89, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1228KiB/s (1257kB/s)(5120KiB/4171msec); 0 zone resets clat (msec): min=352, max=752, avg=470.99, stdev=163.73 lat (msec): min=353, max=752, avg=471.24, stdev=163.59 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 355], 10.00th=[ 355], 20.00th=[ 355], | 30.00th=[ 380], 40.00th=[ 380], 50.00th=[ 397], 60.00th=[ 397], | 70.00th=[ 472], 80.00th=[ 472], 90.00th=[ 751], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 1910, max= 3893, per=44.23%, avg=2466.25, stdev=952.90, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=25.00%, 500=50.00%, 750=8.33%, 1000=8.33% cpu : usr=0.02%, sys=4.15%, ctx=82, 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=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=146002: Fri Aug 14 19:42:20 2026 read: IOPS=0, BW=399KiB/s (409kB/s)(2048KiB/5127msec) clat (msec): min=121, max=507, avg=314.50, stdev=272.84 lat (msec): min=121, max=507, avg=314.50, stdev=272.84 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 122], | 30.00th=[ 122], 40.00th=[ 122], 50.00th=[ 122], 60.00th=[ 506], | 70.00th=[ 506], 80.00th=[ 506], 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= 1448, max= 1910, per=42.16%, avg=1679.00, stdev=326.68, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1997KiB/s (2045kB/s)(10.0MiB/5127msec); 0 zone resets clat (msec): min=133, max=1225, avg=437.74, stdev=329.43 lat (msec): min=133, max=1225, avg=437.94, stdev=329.39 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 134], 10.00th=[ 134], 20.00th=[ 190], | 30.00th=[ 205], 40.00th=[ 249], 50.00th=[ 321], 60.00th=[ 342], | 70.00th=[ 460], 80.00th=[ 535], 90.00th=[ 718], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 1448, max= 4087, per=46.63%, avg=2600.00, stdev=1142.84, samples=6 iops : min= 1, max= 3, avg= 1.67, stdev= 1.03, samples=6 lat (msec) : 250=41.67%, 500=25.00%, 750=25.00%, 2000=8.33% cpu : usr=0.00%, sys=5.27%, ctx=91, 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=146003: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1195KiB/s (1224kB/s)(6144KiB/5142msec) clat (msec): min=169, max=464, avg=269.28, stdev=114.14 lat (msec): min=169, max=464, avg=269.28, stdev=114.14 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 176], | 30.00th=[ 176], 40.00th=[ 199], 50.00th=[ 199], 60.00th=[ 288], | 70.00th=[ 321], 80.00th=[ 321], 90.00th=[ 464], 95.00th=[ 464], | 99.00th=[ 464], 99.50th=[ 464], 99.90th=[ 464], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 2043, max= 3893, per=81.67%, avg=3252.00, stdev=1047.66, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1195KiB/s (1224kB/s)(6144KiB/5142msec); 0 zone resets clat (msec): min=227, max=1335, avg=558.95, stdev=410.20 lat (msec): min=227, max=1336, avg=559.13, stdev=410.42 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 239], | 30.00th=[ 239], 40.00th=[ 430], 50.00th=[ 430], 60.00th=[ 498], | 70.00th=[ 625], 80.00th=[ 625], 90.00th=[ 1334], 95.00th=[ 1334], | 99.00th=[ 1334], 99.50th=[ 1334], 99.90th=[ 1334], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 1458, max= 2039, per=34.27%, avg=1911.00, stdev=253.84, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=41.67%, 500=41.67%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=4.88%, ctx=117, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146004: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1129KiB/s (1156kB/s)(5120KiB/4535msec) clat (msec): min=103, max=368, avg=267.64, stdev=114.43 lat (msec): min=103, max=368, avg=267.64, stdev=114.43 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 104], 10.00th=[ 104], 20.00th=[ 104], | 30.00th=[ 194], 40.00th=[ 194], 50.00th=[ 321], 60.00th=[ 321], | 70.00th=[ 355], 80.00th=[ 355], 90.00th=[ 368], 95.00th=[ 368], | 99.00th=[ 368], 99.50th=[ 368], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 1946, max= 5988, per=99.62%, avg=3967.00, stdev=2858.13, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1581KiB/s (1619kB/s)(7168KiB/4535msec); 0 zone resets clat (msec): min=213, max=741, avg=432.73, stdev=194.22 lat (msec): min=213, max=741, avg=432.83, stdev=194.24 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 213], 10.00th=[ 213], 20.00th=[ 259], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 405], 60.00th=[ 535], | 70.00th=[ 535], 80.00th=[ 584], 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= 4079, per=48.79%, avg=2720.40, stdev=1230.40, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 1.10, samples=5 lat (msec) : 250=25.00%, 500=50.00%, 750=25.00% cpu : usr=0.00%, sys=3.51%, ctx=68, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3983KiB/s (4078kB/s), 399KiB/s-1719KiB/s (409kB/s-1760kB/s), io=20.0MiB (20.0MB), run=4171-5142msec WRITE: bw=5576KiB/s (5710kB/s), 1195KiB/s-1997KiB/s (1224kB/s-2045kB/s), io=28.0MiB (29.4MB), run=4171-5142msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146005: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1880KiB/s (1925kB/s)(7168KiB/3813msec) clat (msec): min=112, max=368, avg=264.24, stdev=89.95 lat (msec): min=112, max=368, avg=264.24, stdev=89.95 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 113], 10.00th=[ 113], 20.00th=[ 215], | 30.00th=[ 228], 40.00th=[ 228], 50.00th=[ 266], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 363], 90.00th=[ 368], 95.00th=[ 368], | 99.00th=[ 368], 99.50th=[ 368], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 1750, max= 4087, per=58.31%, avg=2361.60, stdev=972.01, samples=5 iops : min= 1, max= 3, avg= 1.60, stdev= 0.89, samples=5 write: IOPS=1, BW=1343KiB/s (1375kB/s)(5120KiB/3813msec); 0 zone resets clat (msec): min=269, max=512, avg=354.45, stdev=97.51 lat (msec): min=269, max=512, avg=354.56, stdev=97.55 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 271], | 30.00th=[ 279], 40.00th=[ 279], 50.00th=[ 347], 60.00th=[ 347], | 70.00th=[ 363], 80.00th=[ 363], 90.00th=[ 514], 95.00th=[ 514], | 99.00th=[ 514], 99.50th=[ 514], 99.90th=[ 514], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 1892, max= 3849, per=45.55%, avg=2582.67, stdev=1098.18, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 250=25.00%, 500=66.67%, 750=8.33% cpu : usr=0.00%, sys=12.33%, ctx=261, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146006: Fri Aug 14 19:42:20 2026 read: IOPS=0, BW=405KiB/s (415kB/s)(2048KiB/5056msec) clat (msec): min=331, max=453, avg=392.52, stdev=86.76 lat (msec): min=331, max=453, avg=392.52, stdev=86.76 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 330], 10.00th=[ 330], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 330], 50.00th=[ 330], 60.00th=[ 456], | 70.00th=[ 456], 80.00th=[ 456], 90.00th=[ 456], 95.00th=[ 456], | 99.00th=[ 456], 99.50th=[ 456], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 1565, max= 2043, per=44.54%, avg=1804.00, stdev=338.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=2025KiB/s (2074kB/s)(10.0MiB/5056msec); 0 zone resets clat (msec): min=138, max=1192, avg=408.59, stdev=312.82 lat (msec): min=138, max=1192, avg=408.70, stdev=312.80 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 148], | 30.00th=[ 171], 40.00th=[ 305], 50.00th=[ 359], 60.00th=[ 363], | 70.00th=[ 376], 80.00th=[ 405], 90.00th=[ 634], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 1924, max= 4087, per=48.98%, avg=2777.40, stdev=1064.19, samples=5 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=5 lat (msec) : 250=25.00%, 500=58.33%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=11.53%, ctx=146, 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=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=146007: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1579KiB/s (1617kB/s)(6144KiB/3890msec) clat (msec): min=2, max=288, avg=127.07, stdev=135.53 lat (msec): min=2, max=288, avg=127.07, stdev=135.53 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 7], | 30.00th=[ 7], 40.00th=[ 11], 50.00th=[ 11], 60.00th=[ 199], | 70.00th=[ 257], 80.00th=[ 257], 90.00th=[ 288], 95.00th=[ 288], | 99.00th=[ 288], 99.50th=[ 288], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 2007, max= 5774, per=80.90%, avg=3276.33, stdev=2163.14, samples=3 iops : min= 1, max= 5, avg= 2.67, stdev= 2.08, samples=3 write: IOPS=1, BW=1579KiB/s (1617kB/s)(6144KiB/3890msec); 0 zone resets clat (msec): min=215, max=1322, avg=507.73, stdev=412.79 lat (msec): min=216, max=1322, avg=508.63, stdev=412.39 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 215], 10.00th=[ 215], 20.00th=[ 234], | 30.00th=[ 234], 40.00th=[ 363], 50.00th=[ 363], 60.00th=[ 426], | 70.00th=[ 489], 80.00th=[ 489], 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= 1590, max= 3849, per=40.69%, avg=2307.40, stdev=882.98, samples=5 iops : min= 1, max= 3, avg= 1.60, stdev= 0.89, samples=5 lat (msec) : 4=8.33%, 10=8.33%, 20=8.33%, 250=25.00%, 500=41.67% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=11.19%, ctx=170, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146008: Fri Aug 14 19:42:20 2026 read: IOPS=1, BW=1131KiB/s (1159kB/s)(5120KiB/4525msec) clat (usec): min=492, max=363009, avg=180410.52, stdev=151581.35 lat (usec): min=493, max=363011, avg=180411.83, stdev=151581.41 clat percentiles (usec): | 1.00th=[ 494], 5.00th=[ 494], 10.00th=[ 494], 20.00th=[ 494], | 30.00th=[ 59507], 40.00th=[ 59507], 50.00th=[191890], 60.00th=[191890], | 70.00th=[287310], 80.00th=[287310], 90.00th=[362808], 95.00th=[362808], | 99.00th=[362808], 99.50th=[362808], 99.90th=[362808], 99.95th=[362808], | 99.99th=[362808] bw ( KiB/s): min= 4015, max= 4096, per=100.00%, avg=4055.50, stdev=57.28, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1584KiB/s (1622kB/s)(7168KiB/4525msec); 0 zone resets clat (msec): min=278, max=904, avg=495.75, stdev=215.27 lat (msec): min=279, max=904, avg=496.03, stdev=215.04 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 279], 10.00th=[ 279], 20.00th=[ 326], | 30.00th=[ 372], 40.00th=[ 372], 50.00th=[ 464], 60.00th=[ 493], | 70.00th=[ 493], 80.00th=[ 634], 90.00th=[ 902], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 1587, max= 4087, per=39.89%, avg=2261.50, stdev=909.57, samples=6 iops : min= 1, max= 3, avg= 1.50, stdev= 0.84, samples=6 lat (usec) : 500=8.33% lat (msec) : 100=8.33%, 250=8.33%, 500=58.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=9.44%, ctx=199, 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=4051KiB/s (4148kB/s), 405KiB/s-1880KiB/s (415kB/s-1925kB/s), io=20.0MiB (20.0MB), run=3813-5056msec WRITE: bw=5671KiB/s (5807kB/s), 1343KiB/s-2025KiB/s (1375kB/s-2074kB/s), io=28.0MiB (29.4MB), run=3813-5056msec 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=146016: Fri Aug 14 19:42:35 2026 read: IOPS=0, BW=2275KiB/s (2329kB/s)(12.0MiB/5402msec) clat (msec): min=911, max=3389, avg=1774.42, stdev=1399.48 lat (msec): min=911, max=3389, avg=1774.42, stdev=1399.48 clat percentiles (msec): | 1.00th=[ 911], 5.00th=[ 911], 10.00th=[ 911], 20.00th=[ 911], | 30.00th=[ 911], 40.00th=[ 1020], 50.00th=[ 1020], 60.00th=[ 1020], | 70.00th=[ 3406], 80.00th=[ 3406], 90.00th=[ 3406], 95.00th=[ 3406], | 99.00th=[ 3406], 99.50th=[ 3406], 99.90th=[ 3406], 99.95th=[ 3406], | 99.99th=[ 3406] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 1000=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=2.20%, ctx=54, 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=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=146017: Fri Aug 14 19:42:35 2026 read: IOPS=0, BW=954KiB/s (977kB/s)(4096KiB/4292msec) clat (nsec): min=259015k, max=259015k, avg=259014523.00, stdev= 0.00 lat (nsec): min=259017k, max=259017k, avg=259016835.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 259], 5.00th=[ 259], 10.00th=[ 259], 20.00th=[ 259], | 30.00th=[ 259], 40.00th=[ 259], 50.00th=[ 259], 60.00th=[ 259], | 70.00th=[ 259], 80.00th=[ 259], 90.00th=[ 259], 95.00th=[ 259], | 99.00th=[ 259], 99.50th=[ 259], 99.90th=[ 259], 99.95th=[ 259], | 99.99th=[ 259] bw ( KiB/s): min= 8047, max= 8047, per=100.00%, avg=8047.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1909KiB/s (1954kB/s)(8192KiB/4292msec); 0 zone resets clat (msec): min=642, max=3219, avg=1931.00, stdev=1821.83 lat (msec): min=642, max=3220, avg=1931.90, stdev=1822.81 clat percentiles (msec): | 1.00th=[ 642], 5.00th=[ 642], 10.00th=[ 642], 20.00th=[ 642], | 30.00th=[ 642], 40.00th=[ 642], 50.00th=[ 642], 60.00th=[ 3205], | 70.00th=[ 3205], 80.00th=[ 3205], 90.00th=[ 3205], 95.00th=[ 3205], | 99.00th=[ 3205], 99.50th=[ 3205], 99.90th=[ 3205], 99.95th=[ 3205], | 99.99th=[ 3205] bw ( KiB/s): min= 8094, max= 8094, per=100.00%, avg=8094.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=3.80%, ctx=70, 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=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=146018: Fri Aug 14 19:42:35 2026 write: IOPS=0, BW=2133KiB/s (2185kB/s)(12.0MiB/5760msec); 0 zone resets clat (msec): min=740, max=4116, avg=1889.48, stdev=1929.30 lat (msec): min=740, max=4118, avg=1890.56, stdev=1929.55 clat percentiles (msec): | 1.00th=[ 743], 5.00th=[ 743], 10.00th=[ 743], 20.00th=[ 743], | 30.00th=[ 743], 40.00th=[ 810], 50.00th=[ 810], 60.00th=[ 810], | 70.00th=[ 4111], 80.00th=[ 4111], 90.00th=[ 4111], 95.00th=[ 4111], | 99.00th=[ 4111], 99.50th=[ 4111], 99.90th=[ 4111], 99.95th=[ 4111], | 99.99th=[ 4111] bw ( KiB/s): min= 7953, max= 8192, per=100.00%, avg=8072.50, stdev=169.00, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.18%, ctx=57, 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=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=146019: Fri Aug 14 19:42:35 2026 write: IOPS=0, BW=2480KiB/s (2539kB/s)(12.0MiB/4955msec); 0 zone resets clat (msec): min=310, max=3933, avg=1615.23, stdev=2012.73 lat (msec): min=310, max=3933, avg=1617.28, stdev=2011.45 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 313], 40.00th=[ 600], 50.00th=[ 600], 60.00th=[ 600], | 70.00th=[ 3943], 80.00th=[ 3943], 90.00th=[ 3943], 95.00th=[ 3943], | 99.00th=[ 3943], 99.50th=[ 3943], 99.90th=[ 3943], 99.95th=[ 3943], | 99.99th=[ 3943] bw ( KiB/s): min= 5919, max= 8126, per=100.00%, avg=7022.50, stdev=1560.58, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.39%, ctx=101, 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=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=3033KiB/s (3106kB/s), 954KiB/s-2275KiB/s (977kB/s-2329kB/s), io=16.0MiB (16.8MB), run=4292-5402msec WRITE: bw=5689KiB/s (5825kB/s), 1909KiB/s-2480KiB/s (1954kB/s-2539kB/s), io=32.0MiB (33.6MB), run=4292-5760msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146020: Fri Aug 14 19:42:35 2026 read: IOPS=0, BW=2463KiB/s (2522kB/s)(12.0MiB/4990msec) clat (msec): min=697, max=3374, avg=1658.32, stdev=1490.13 lat (msec): min=697, max=3374, avg=1658.32, stdev=1490.13 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 902], 50.00th=[ 902], 60.00th=[ 902], | 70.00th=[ 3373], 80.00th=[ 3373], 90.00th=[ 3373], 95.00th=[ 3373], | 99.00th=[ 3373], 99.50th=[ 3373], 99.90th=[ 3373], 99.95th=[ 3373], | 99.99th=[ 3373] bw ( KiB/s): min= 8110, max= 8192, per=100.00%, avg=8151.00, stdev=57.98, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=9.34%, ctx=798, 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=146021: Fri Aug 14 19:42:35 2026 read: IOPS=0, BW=695KiB/s (712kB/s)(4096KiB/5891msec) clat (nsec): min=699676k, max=699676k, avg=699675967.00, stdev= 0.00 lat (nsec): min=699677k, max=699677k, avg=699676862.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 701], 95.00th=[ 701], | 99.00th=[ 701], 99.50th=[ 701], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 5680, max= 5680, per=100.00%, avg=5680.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1391KiB/s (1424kB/s)(8192KiB/5891msec); 0 zone resets clat (msec): min=1630, max=3550, avg=2590.20, stdev=1357.91 lat (msec): min=1637, max=3552, avg=2594.74, stdev=1354.10 clat percentiles (msec): | 1.00th=[ 1636], 5.00th=[ 1636], 10.00th=[ 1636], 20.00th=[ 1636], | 30.00th=[ 1636], 40.00th=[ 1636], 50.00th=[ 1636], 60.00th=[ 3540], | 70.00th=[ 3540], 80.00th=[ 3540], 90.00th=[ 3540], 95.00th=[ 3540], | 99.00th=[ 3540], 99.50th=[ 3540], 99.90th=[ 3540], 99.95th=[ 3540], | 99.99th=[ 3540] 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 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.56%, ctx=135, 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=146022: Fri Aug 14 19:42:35 2026 write: IOPS=0, BW=2080KiB/s (2130kB/s)(12.0MiB/5908msec); 0 zone resets clat (msec): min=290, max=4234, avg=1966.98, stdev=2037.16 lat (msec): min=291, max=4235, avg=1968.40, stdev=2036.98 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 1385], 50.00th=[ 1385], 60.00th=[ 1385], | 70.00th=[ 4245], 80.00th=[ 4245], 90.00th=[ 4245], 95.00th=[ 4245], | 99.00th=[ 4245], 99.50th=[ 4245], 99.90th=[ 4245], 99.95th=[ 4245], | 99.99th=[ 4245] bw ( KiB/s): min= 8062, max= 8078, per=100.00%, avg=8070.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=1.73%, ctx=33, 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=146023: Fri Aug 14 19:42:35 2026 write: IOPS=0, BW=2205KiB/s (2257kB/s)(12.0MiB/5574msec); 0 zone resets clat (msec): min=320, max=3870, avg=1855.70, stdev=1823.14 lat (msec): min=320, max=3871, avg=1856.96, stdev=1823.18 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 321], 40.00th=[ 1385], 50.00th=[ 1385], 60.00th=[ 1385], | 70.00th=[ 3876], 80.00th=[ 3876], 90.00th=[ 3876], 95.00th=[ 3876], | 99.00th=[ 3876], 99.50th=[ 3876], 99.90th=[ 3876], 99.95th=[ 3876], | 99.99th=[ 3876] 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 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.05%, sys=1.74%, ctx=38, 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=2781KiB/s (2848kB/s), 695KiB/s-2463KiB/s (712kB/s-2522kB/s), io=16.0MiB (16.8MB), run=4990-5891msec WRITE: bw=5546KiB/s (5679kB/s), 1391KiB/s-2205KiB/s (1424kB/s-2257kB/s), io=32.0MiB (33.6MB), run=5574-5908msec