== sanity test 398b: DIO and buffer IO race ============== 22:57:54 (1781233074) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.32866 s, 8.0 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=180475: Thu Jun 11 23:00:14 2026 read: IOPS=12, BW=49.6KiB/s (50.8kB/s)(5992KiB/120817msec) clat (usec): min=32, max=1000.6k, avg=44844.69, stdev=40127.93 lat (usec): min=32, max=1000.6k, avg=44851.91, stdev=40125.64 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 11469], 10.00th=[ 16909], | 20.00th=[ 22152], 30.00th=[ 27132], 40.00th=[ 32113], | 50.00th=[ 38011], 60.00th=[ 43779], 70.00th=[ 50594], | 80.00th=[ 61604], 90.00th=[ 79168], 95.00th=[ 95945], | 99.00th=[ 147850], 99.50th=[ 202376], 99.90th=[ 421528], | 99.95th=[1002439], 99.99th=[1002439] bw ( KiB/s): min= 8, max= 103, per=24.89%, avg=49.27, stdev=20.23, samples=237 iops : min= 2, max= 25, avg=11.67, stdev= 5.07, samples=237 write: IOPS=13, BW=52.1KiB/s (53.4kB/s)(6296KiB/120817msec); 0 zone resets clat (usec): min=948, max=227473, avg=33804.03, stdev=34767.95 lat (usec): min=949, max=227474, avg=33805.68, stdev=34767.94 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1336], 10.00th=[ 1549], 20.00th=[ 3490], | 30.00th=[ 7439], 40.00th=[ 16909], 50.00th=[ 24773], 60.00th=[ 32637], | 70.00th=[ 42730], 80.00th=[ 57410], 90.00th=[ 81265], 95.00th=[103285], | 99.00th=[160433], 99.50th=[175113], 99.90th=[223347], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 7, max= 143, per=24.89%, avg=51.76, stdev=22.82, samples=237 iops : min= 1, max= 35, avg=12.29, stdev= 5.73, samples=237 lat (usec) : 50=0.36%, 100=1.33%, 250=0.13%, 1000=0.13% lat (msec) : 2=6.80%, 4=4.23%, 10=5.89%, 20=10.84%, 50=42.81% lat (msec) : 100=22.56%, 250=4.75%, 500=0.13%, 2000=0.03% cpu : usr=0.09%, sys=5.51%, ctx=6557, 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=180477: Thu Jun 11 23:00:14 2026 read: IOPS=12, BW=49.6KiB/s (50.8kB/s)(5940KiB/119739msec) clat (usec): min=37, max=257814, avg=43883.14, stdev=28205.37 lat (usec): min=37, max=257820, avg=43885.41, stdev=28206.95 clat percentiles (usec): | 1.00th=[ 54], 5.00th=[ 11600], 10.00th=[ 16581], 20.00th=[ 22414], | 30.00th=[ 27919], 40.00th=[ 33162], 50.00th=[ 38011], 60.00th=[ 43779], | 70.00th=[ 51643], 80.00th=[ 62129], 90.00th=[ 79168], 95.00th=[ 96994], | 99.00th=[135267], 99.50th=[164627], 99.90th=[214959], 99.95th=[256902], | 99.99th=[256902] bw ( KiB/s): min= 7, max= 103, per=25.03%, avg=49.56, stdev=18.69, samples=234 iops : min= 1, max= 25, avg=11.74, stdev= 4.71, samples=234 write: IOPS=13, BW=53.0KiB/s (54.3kB/s)(6348KiB/119739msec); 0 zone resets clat (usec): min=964, max=1000.6k, avg=34113.37, stdev=41999.39 lat (usec): min=965, max=1000.6k, avg=34117.19, stdev=42002.23 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1385], 10.00th=[ 1811], | 20.00th=[ 4424], 30.00th=[ 8455], 40.00th=[ 16581], | 50.00th=[ 24511], 60.00th=[ 32375], 70.00th=[ 41681], | 80.00th=[ 56886], 90.00th=[ 80217], 95.00th=[ 101188], | 99.00th=[ 154141], 99.50th=[ 168821], 99.90th=[ 295699], | 99.95th=[1002439], 99.99th=[1002439] bw ( KiB/s): min= 15, max= 119, per=25.40%, avg=52.83, stdev=22.00, samples=234 iops : min= 3, max= 29, avg=12.57, stdev= 5.52, samples=234 lat (usec) : 50=0.10%, 100=1.60%, 250=0.07%, 500=0.03%, 1000=0.10% lat (msec) : 2=5.50%, 4=4.07%, 10=7.26%, 20=11.59%, 50=41.93% lat (msec) : 100=22.79%, 250=4.85%, 500=0.10%, 2000=0.03% cpu : usr=0.09%, sys=5.64%, ctx=6533, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180479: Thu Jun 11 23:00:14 2026 read: IOPS=12, BW=50.5KiB/s (51.7kB/s)(6028KiB/119298msec) clat (usec): min=37, max=1013.8k, avg=45111.11, stdev=37964.26 lat (usec): min=37, max=1013.8k, avg=45115.41, stdev=37965.39 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 10421], 10.00th=[ 16712], | 20.00th=[ 22414], 30.00th=[ 27657], 40.00th=[ 32375], | 50.00th=[ 39060], 60.00th=[ 45351], 70.00th=[ 53740], | 80.00th=[ 63701], 90.00th=[ 79168], 95.00th=[ 94897], | 99.00th=[ 137364], 99.50th=[ 166724], 99.90th=[ 304088], | 99.95th=[1010828], 99.99th=[1010828] bw ( KiB/s): min= 7, max= 112, per=25.38%, avg=50.24, stdev=19.47, samples=234 iops : min= 1, max= 28, avg=11.91, stdev= 4.89, samples=234 write: IOPS=13, BW=52.5KiB/s (53.7kB/s)(6260KiB/119298msec); 0 zone resets clat (usec): min=975, max=324559, avg=32552.91, stdev=34552.33 lat (usec): min=976, max=324562, avg=32554.67, stdev=34552.24 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1385], 10.00th=[ 1647], 20.00th=[ 4146], | 30.00th=[ 7308], 40.00th=[ 14615], 50.00th=[ 22938], 60.00th=[ 32113], | 70.00th=[ 41681], 80.00th=[ 55313], 90.00th=[ 76022], 95.00th=[101188], | 99.00th=[147850], 99.50th=[168821], 99.90th=[295699], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 7, max= 127, per=25.18%, avg=52.37, stdev=23.12, samples=233 iops : min= 1, max= 31, avg=12.45, stdev= 5.80, samples=233 lat (usec) : 50=0.26%, 100=1.56%, 250=0.10%, 1000=0.07% lat (msec) : 2=6.09%, 4=3.91%, 10=8.01%, 20=11.04%, 50=40.36% lat (msec) : 100=23.99%, 250=4.46%, 500=0.13%, 2000=0.03% cpu : usr=0.08%, sys=5.57%, ctx=6565, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180480: Thu Jun 11 23:00:14 2026 read: IOPS=12, BW=50.2KiB/s (51.4kB/s)(6052KiB/120568msec) clat (usec): min=37, max=924016, avg=44474.14, stdev=37153.31 lat (usec): min=38, max=924017, avg=44476.06, stdev=37153.02 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 5997], 10.00th=[ 15139], 20.00th=[ 21365], | 30.00th=[ 26608], 40.00th=[ 32113], 50.00th=[ 38011], 60.00th=[ 45351], | 70.00th=[ 53216], 80.00th=[ 62129], 90.00th=[ 80217], 95.00th=[ 96994], | 99.00th=[147850], 99.50th=[185598], 99.90th=[248513], 99.95th=[926942], | 99.99th=[926942] bw ( KiB/s): min= 7, max= 128, per=25.19%, avg=49.88, stdev=19.77, samples=237 iops : min= 1, max= 32, avg=11.81, stdev= 4.99, samples=237 write: IOPS=12, BW=51.7KiB/s (52.0kB/s)(6236KiB/120568msec); 0 zone resets clat (usec): min=881, max=219069, avg=33914.00, stdev=34707.51 lat (usec): min=882, max=219070, avg=33916.02, stdev=34707.13 clat percentiles (usec): | 1.00th=[ 1205], 5.00th=[ 1385], 10.00th=[ 1778], 20.00th=[ 4228], | 30.00th=[ 7963], 40.00th=[ 15533], 50.00th=[ 23987], 60.00th=[ 31589], | 70.00th=[ 43779], 80.00th=[ 58459], 90.00th=[ 82314], 95.00th=[104334], | 99.00th=[143655], 99.50th=[173016], 99.90th=[198181], 99.95th=[219153], | 99.99th=[219153] bw ( KiB/s): min= 7, max= 119, per=24.81%, avg=51.60, stdev=22.12, samples=236 iops : min= 1, max= 29, avg=12.25, stdev= 5.57, samples=236 lat (usec) : 50=0.39%, 100=1.79%, 250=0.20%, 500=0.03%, 1000=0.20% lat (msec) : 2=5.47%, 4=4.04%, 10=7.42%, 20=11.95%, 50=38.64% lat (msec) : 100=25.16%, 250=4.69%, 1000=0.03% cpu : usr=0.09%, sys=5.65%, ctx=6570, 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=199KiB/s (204kB/s), 49.6KiB/s-50.5KiB/s (50.8kB/s-51.7kB/s), io=23.4MiB (24.6MB), run=119298-120817msec WRITE: bw=208KiB/s (213kB/s), 51.7KiB/s-53.0KiB/s (52.0kB/s-54.3kB/s), io=24.6MiB (25.7MB), run=119298-120817msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180476: Thu Jun 11 23:01:00 2026 read: IOPS=9, BW=36.4KiB/s (37.2kB/s)(5992KiB/164794msec) clat (msec): min=4, max=1036, avg=43.79, stdev=45.95 lat (msec): min=4, max=1036, avg=43.79, stdev=45.95 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 37], | 70.00th=[ 47], 80.00th=[ 62], 90.00th=[ 93], 95.00th=[ 121], | 99.00th=[ 194], 99.50th=[ 224], 99.90th=[ 355], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7, max= 142, per=25.58%, avg=36.83, stdev=23.85, samples=316 iops : min= 1, max= 35, avg= 8.55, stdev= 6.02, samples=316 write: IOPS=9, BW=38.2KiB/s (39.1kB/s)(6296KiB/164794msec); 0 zone resets clat (msec): min=8, max=326, avg=62.81, stdev=41.78 lat (msec): min=8, max=326, avg=62.82, stdev=41.78 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 22], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 43], 50.00th=[ 52], 60.00th=[ 62], | 70.00th=[ 73], 80.00th=[ 90], 90.00th=[ 115], 95.00th=[ 144], | 99.00th=[ 209], 99.50th=[ 245], 99.90th=[ 300], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 7, max= 127, per=25.43%, avg=38.39, stdev=21.81, samples=319 iops : min= 1, max= 31, avg= 8.93, stdev= 5.50, samples=319 lat (msec) : 10=1.95%, 20=13.25%, 50=45.15%, 100=27.67%, 250=11.62% lat (msec) : 500=0.33%, 2000=0.03% cpu : usr=0.04%, sys=2.08%, ctx=4848, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180478: Thu Jun 11 23:01:00 2026 read: IOPS=8, BW=35.0KiB/s (36.8kB/s)(5940KiB/165140msec) clat (msec): min=5, max=971, avg=42.47, stdev=42.43 lat (msec): min=5, max=971, avg=42.47, stdev=42.43 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 31], 60.00th=[ 38], | 70.00th=[ 47], 80.00th=[ 62], 90.00th=[ 88], 95.00th=[ 115], | 99.00th=[ 178], 99.50th=[ 201], 99.90th=[ 288], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 7, max= 127, per=25.67%, avg=36.97, stdev=23.87, samples=313 iops : min= 1, max= 31, avg= 8.58, stdev= 6.01, samples=313 write: IOPS=9, BW=38.4KiB/s (39.4kB/s)(6348KiB/165140msec); 0 zone resets clat (msec): min=11, max=433, avg=64.07, stdev=43.73 lat (msec): min=11, max=433, avg=64.08, stdev=43.73 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 21], 10.00th=[ 24], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 43], 50.00th=[ 51], 60.00th=[ 61], | 70.00th=[ 74], 80.00th=[ 94], 90.00th=[ 124], 95.00th=[ 150], | 99.00th=[ 215], 99.50th=[ 245], 99.90th=[ 275], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 7, max= 111, per=25.30%, avg=38.20, stdev=22.31, samples=324 iops : min= 1, max= 27, avg= 8.88, stdev= 5.64, samples=324 lat (msec) : 10=1.95%, 20=14.71%, 50=43.88%, 100=27.38%, 250=11.85% lat (msec) : 500=0.20%, 1000=0.03% cpu : usr=0.06%, sys=2.11%, ctx=4891, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180481: Thu Jun 11 23:01:00 2026 read: IOPS=9, BW=36.3KiB/s (37.2kB/s)(6028KiB/166066msec) clat (msec): min=3, max=423, avg=44.06, stdev=39.27 lat (msec): min=3, max=423, avg=44.06, stdev=39.27 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 22], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 39], | 70.00th=[ 48], 80.00th=[ 65], 90.00th=[ 95], 95.00th=[ 122], | 99.00th=[ 178], 99.50th=[ 220], 99.90th=[ 368], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 7, max= 135, per=25.30%, avg=36.43, stdev=23.15, samples=321 iops : min= 1, max= 33, avg= 8.45, stdev= 5.84, samples=321 write: IOPS=9, BW=37.7KiB/s (38.6kB/s)(6260KiB/166066msec); 0 zone resets clat (msec): min=10, max=975, avg=63.45, stdev=48.44 lat (msec): min=10, max=975, avg=63.45, stdev=48.44 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 21], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 42], 50.00th=[ 49], 60.00th=[ 59], | 70.00th=[ 72], 80.00th=[ 91], 90.00th=[ 123], 95.00th=[ 146], | 99.00th=[ 213], 99.50th=[ 251], 99.90th=[ 326], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 7, max= 119, per=24.70%, avg=37.30, stdev=22.70, samples=325 iops : min= 1, max= 29, avg= 8.66, stdev= 5.72, samples=325 lat (msec) : 4=0.03%, 10=1.86%, 20=13.25%, 50=46.29%, 100=25.78% lat (msec) : 250=12.37%, 500=0.39%, 1000=0.03% cpu : usr=0.06%, sys=2.05%, ctx=4894, 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=180482: Thu Jun 11 23:01:00 2026 read: IOPS=9, BW=36.4KiB/s (37.3kB/s)(6052KiB/166241msec) clat (msec): min=5, max=327, avg=43.57, stdev=37.35 lat (msec): min=5, max=327, avg=43.57, stdev=37.36 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 38], | 70.00th=[ 47], 80.00th=[ 65], 90.00th=[ 97], 95.00th=[ 124], | 99.00th=[ 174], 99.50th=[ 205], 99.90th=[ 275], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 7, max= 119, per=25.54%, avg=36.78, stdev=24.67, samples=320 iops : min= 1, max= 29, avg= 8.53, stdev= 6.21, samples=320 write: IOPS=9, BW=37.5KiB/s (38.4kB/s)(6236KiB/166241msec); 0 zone resets clat (msec): min=11, max=984, avg=64.13, stdev=50.24 lat (msec): min=11, max=984, avg=64.13, stdev=50.24 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 22], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 42], 50.00th=[ 49], 60.00th=[ 59], | 70.00th=[ 72], 80.00th=[ 93], 90.00th=[ 124], 95.00th=[ 155], | 99.00th=[ 209], 99.50th=[ 268], 99.90th=[ 456], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 7, max= 120, per=24.88%, avg=37.57, stdev=22.03, samples=323 iops : min= 1, max= 30, avg= 8.73, stdev= 5.56, samples=323 lat (msec) : 10=2.08%, 20=13.48%, 50=46.35%, 100=24.87%, 250=12.83% lat (msec) : 500=0.36%, 1000=0.03% cpu : usr=0.05%, sys=2.05%, ctx=5009, 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=144KiB/s (148kB/s), 35.0KiB/s-36.4KiB/s (36.8kB/s-37.3kB/s), io=23.4MiB (24.6MB), run=164794-166241msec WRITE: bw=151KiB/s (155kB/s), 37.5KiB/s-38.4KiB/s (38.4kB/s-39.4kB/s), io=24.6MiB (25.7MB), run=164794-166241msec 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=180536: Thu Jun 11 23:01:36 2026 read: IOPS=15, BW=250KiB/s (256kB/s)(5920KiB/23646msec) clat (usec): min=37, max=147220, avg=33721.68, stdev=22366.16 lat (usec): min=38, max=147222, avg=33723.00, stdev=22366.18 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 1336], 20.00th=[ 18482], | 30.00th=[ 21627], 40.00th=[ 26346], 50.00th=[ 30540], 60.00th=[ 34866], | 70.00th=[ 41157], 80.00th=[ 47449], 90.00th=[ 61080], 95.00th=[ 72877], | 99.00th=[101188], 99.50th=[141558], 99.90th=[147850], 99.95th=[147850], | 99.99th=[147850] bw ( KiB/s): min= 125, max= 475, per=26.00%, avg=249.11, stdev=82.67, samples=46 iops : min= 7, max= 29, avg=14.85, stdev= 5.16, samples=46 write: IOPS=16, BW=269KiB/s (276kB/s)(6368KiB/23646msec); 0 zone resets clat (usec): min=1214, max=156082, avg=27239.22, stdev=26483.47 lat (usec): min=1216, max=156084, avg=27248.90, stdev=26484.21 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 1926], 10.00th=[ 2507], 20.00th=[ 4490], | 30.00th=[ 7111], 40.00th=[ 11731], 50.00th=[ 19268], 60.00th=[ 25822], | 70.00th=[ 34341], 80.00th=[ 49546], 90.00th=[ 67634], 95.00th=[ 81265], | 99.00th=[102237], 99.50th=[115868], 99.90th=[156238], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 63, max= 447, per=26.82%, avg=270.33, stdev=101.65, samples=46 iops : min= 3, max= 27, avg=16.17, stdev= 6.39, samples=46 lat (usec) : 50=0.78%, 100=3.65%, 250=0.13%, 500=0.13% lat (msec) : 2=3.52%, 4=6.38%, 10=9.11%, 20=14.19%, 50=43.36% lat (msec) : 100=17.58%, 250=1.17% cpu : usr=0.09%, sys=7.30%, ctx=1656, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180537: Thu Jun 11 23:01:36 2026 read: IOPS=14, BW=231KiB/s (236kB/s)(5744KiB/24878msec) clat (usec): min=46, max=123823, avg=36060.70, stdev=21017.44 lat (usec): min=47, max=123824, avg=36062.03, stdev=21017.50 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 69], 10.00th=[ 16057], 20.00th=[ 21365], | 30.00th=[ 25560], 40.00th=[ 28705], 50.00th=[ 32637], 60.00th=[ 37487], | 70.00th=[ 41681], 80.00th=[ 52167], 90.00th=[ 61604], 95.00th=[ 70779], | 99.00th=[109577], 99.50th=[119014], 99.90th=[124257], 99.95th=[124257], | 99.99th=[124257] bw ( KiB/s): min= 31, max= 377, per=24.18%, avg=231.60, stdev=70.48, samples=48 iops : min= 1, max= 23, avg=13.73, stdev= 4.44, samples=48 write: IOPS=16, BW=263KiB/s (269kB/s)(6544KiB/24878msec); 0 zone resets clat (usec): min=1220, max=129610, avg=28576.59, stdev=26149.93 lat (usec): min=1222, max=129612, avg=28579.53, stdev=26149.86 clat percentiles (usec): | 1.00th=[ 1631], 5.00th=[ 1942], 10.00th=[ 2737], 20.00th=[ 4752], | 30.00th=[ 8094], 40.00th=[ 14746], 50.00th=[ 21890], 60.00th=[ 28705], | 70.00th=[ 39060], 80.00th=[ 52167], 90.00th=[ 66847], 95.00th=[ 79168], | 99.00th=[107480], 99.50th=[109577], 99.90th=[129500], 99.95th=[129500], | 99.99th=[129500] bw ( KiB/s): min= 61, max= 502, per=25.87%, avg=260.77, stdev=90.67, samples=48 iops : min= 3, max= 31, avg=15.56, stdev= 5.69, samples=48 lat (usec) : 50=0.26%, 100=2.86%, 250=0.26%, 750=0.13% lat (msec) : 2=3.26%, 4=6.12%, 10=9.11%, 20=10.68%, 50=45.57% lat (msec) : 100=19.92%, 250=1.82% cpu : usr=0.11%, sys=7.35%, ctx=1745, 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=180538: Thu Jun 11 23:01:36 2026 read: IOPS=15, BW=250KiB/s (256kB/s)(6256KiB/24986msec) clat (usec): min=32, max=138152, avg=36270.77, stdev=22987.47 lat (usec): min=33, max=138154, avg=36271.97, stdev=22987.48 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 67], 10.00th=[ 13173], 20.00th=[ 20579], | 30.00th=[ 24773], 40.00th=[ 28705], 50.00th=[ 32637], 60.00th=[ 36439], | 70.00th=[ 43254], 80.00th=[ 51119], 90.00th=[ 65799], 95.00th=[ 76022], | 99.00th=[132645], 99.50th=[135267], 99.90th=[137364], 99.95th=[137364], | 99.99th=[137364] bw ( KiB/s): min= 130, max= 416, per=26.25%, avg=251.43, stdev=71.99, samples=49 iops : min= 8, max= 26, avg=14.98, stdev= 4.54, samples=49 write: IOPS=15, BW=241KiB/s (247kB/s)(6032KiB/24986msec); 0 zone resets clat (usec): min=1426, max=147702, avg=28463.64, stdev=25625.60 lat (usec): min=1429, max=147704, avg=28472.51, stdev=25625.47 clat percentiles (usec): | 1.00th=[ 1696], 5.00th=[ 2089], 10.00th=[ 3032], 20.00th=[ 5276], | 30.00th=[ 9634], 40.00th=[ 15533], 50.00th=[ 22152], 60.00th=[ 27919], | 70.00th=[ 36439], 80.00th=[ 50070], 90.00th=[ 64750], 95.00th=[ 81265], | 99.00th=[108528], 99.50th=[129500], 99.90th=[147850], 99.95th=[147850], | 99.99th=[147850] bw ( KiB/s): min= 95, max= 510, per=24.46%, avg=246.60, stdev=91.60, samples=48 iops : min= 5, max= 31, avg=14.65, stdev= 5.77, samples=48 lat (usec) : 50=0.26%, 100=3.39%, 250=0.39% lat (msec) : 2=2.47%, 4=4.82%, 10=8.07%, 20=12.76%, 50=46.61% lat (msec) : 100=19.66%, 250=1.56% cpu : usr=0.08%, sys=7.06%, ctx=1805, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180539: Thu Jun 11 23:01:36 2026 read: IOPS=15, BW=246KiB/s (252kB/s)(6032KiB/24531msec) clat (usec): min=41, max=133124, avg=35908.25, stdev=22855.89 lat (usec): min=41, max=133124, avg=35909.45, stdev=22855.90 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 11076], 20.00th=[ 19530], | 30.00th=[ 24511], 40.00th=[ 28181], 50.00th=[ 32637], 60.00th=[ 38536], | 70.00th=[ 44303], 80.00th=[ 51119], 90.00th=[ 64226], 95.00th=[ 74974], | 99.00th=[112722], 99.50th=[122160], 99.90th=[132645], 99.95th=[132645], | 99.99th=[132645] bw ( KiB/s): min= 31, max= 416, per=25.60%, avg=245.23, stdev=84.15, samples=48 iops : min= 1, max= 26, avg=14.58, stdev= 5.28, samples=48 write: IOPS=15, BW=255KiB/s (261kB/s)(6256KiB/24531msec); 0 zone resets clat (usec): min=1364, max=153049, avg=27598.84, stdev=25461.49 lat (usec): min=1366, max=153052, avg=27601.84, stdev=25462.06 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 1991], 10.00th=[ 2606], 20.00th=[ 5866], | 30.00th=[ 8717], 40.00th=[ 13829], 50.00th=[ 21627], 60.00th=[ 27919], | 70.00th=[ 33817], 80.00th=[ 47973], 90.00th=[ 62129], 95.00th=[ 77071], | 99.00th=[113771], 99.50th=[124257], 99.90th=[152044], 99.95th=[152044], | 99.99th=[152044] bw ( KiB/s): min= 124, max= 414, per=25.35%, avg=255.50, stdev=75.83, samples=48 iops : min= 7, max= 25, avg=15.25, stdev= 4.76, samples=48 lat (usec) : 50=0.39%, 100=4.04%, 250=0.13%, 500=0.13% lat (msec) : 2=2.60%, 4=5.21%, 10=9.38%, 20=12.76%, 50=45.57% lat (msec) : 100=17.45%, 250=2.34% cpu : usr=0.09%, sys=7.57%, ctx=1806, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=959KiB/s (982kB/s), 231KiB/s-250KiB/s (236kB/s-256kB/s), io=23.4MiB (24.5MB), run=23646-24986msec WRITE: bw=1009KiB/s (1033kB/s), 241KiB/s-269KiB/s (247kB/s-276kB/s), io=24.6MiB (25.8MB), run=23646-24986msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180540: Thu Jun 11 23:01:44 2026 read: IOPS=11, BW=179KiB/s (183kB/s)(5920KiB/33092msec) clat (msec): min=5, max=171, avg=34.66, stdev=28.66 lat (msec): min=5, max=171, avg=34.66, stdev=28.66 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 25], 60.00th=[ 30], | 70.00th=[ 38], 80.00th=[ 52], 90.00th=[ 73], 95.00th=[ 94], | 99.00th=[ 134], 99.50th=[ 155], 99.90th=[ 171], 99.95th=[ 171], | 99.99th=[ 171] bw ( KiB/s): min= 31, max= 544, per=24.32%, avg=174.65, stdev=104.82, samples=65 iops : min= 1, max= 34, avg=10.18, stdev= 6.60, samples=65 write: IOPS=12, BW=192KiB/s (197kB/s)(6368KiB/33092msec); 0 zone resets clat (msec): min=10, max=151, avg=50.20, stdev=30.01 lat (msec): min=10, max=151, avg=50.20, stdev=30.01 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 18], 10.00th=[ 21], 20.00th=[ 25], | 30.00th=[ 30], 40.00th=[ 34], 50.00th=[ 41], 60.00th=[ 50], | 70.00th=[ 63], 80.00th=[ 77], 90.00th=[ 96], 95.00th=[ 113], | 99.00th=[ 138], 99.50th=[ 153], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 31, max= 510, per=25.11%, avg=189.86, stdev=107.89, samples=65 iops : min= 1, max= 31, avg=11.14, stdev= 6.73, samples=65 lat (msec) : 10=3.39%, 20=20.83%, 50=45.05%, 100=24.09%, 250=6.64% cpu : usr=0.05%, sys=2.53%, ctx=1193, 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=180541: Thu Jun 11 23:01:44 2026 read: IOPS=10, BW=172KiB/s (177kB/s)(5744KiB/33323msec) clat (msec): min=5, max=162, avg=34.76, stdev=28.49 lat (msec): min=5, max=162, avg=34.76, stdev=28.49 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 21], 50.00th=[ 26], 60.00th=[ 29], | 70.00th=[ 37], 80.00th=[ 52], 90.00th=[ 81], 95.00th=[ 97], | 99.00th=[ 134], 99.50th=[ 148], 99.90th=[ 163], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 30, max= 574, per=23.85%, avg=171.28, stdev=117.94, samples=65 iops : min= 1, max= 35, avg= 9.92, stdev= 7.42, samples=65 write: IOPS=12, BW=196KiB/s (201kB/s)(6544KiB/33323msec); 0 zone resets clat (msec): min=10, max=218, avg=50.75, stdev=33.52 lat (msec): min=10, max=218, avg=50.75, stdev=33.52 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 17], 10.00th=[ 20], 20.00th=[ 24], | 30.00th=[ 28], 40.00th=[ 33], 50.00th=[ 40], 60.00th=[ 50], | 70.00th=[ 62], 80.00th=[ 80], 90.00th=[ 97], 95.00th=[ 123], | 99.00th=[ 140], 99.50th=[ 148], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 63, max= 574, per=25.71%, avg=194.34, stdev=110.27, samples=65 iops : min= 3, max= 35, avg=11.37, stdev= 6.91, samples=65 lat (msec) : 10=1.82%, 20=22.92%, 50=44.92%, 100=23.57%, 250=6.77% cpu : usr=0.05%, sys=2.59%, ctx=1251, 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=180542: Thu Jun 11 23:01:44 2026 read: IOPS=11, BW=191KiB/s (196kB/s)(6256KiB/32759msec) clat (msec): min=6, max=181, avg=33.31, stdev=26.17 lat (msec): min=6, max=181, avg=33.32, stdev=26.17 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 24], 60.00th=[ 30], | 70.00th=[ 36], 80.00th=[ 50], 90.00th=[ 73], 95.00th=[ 89], | 99.00th=[ 132], 99.50th=[ 140], 99.90th=[ 182], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 31, max= 670, per=26.85%, avg=192.75, stdev=130.08, samples=64 iops : min= 1, max= 41, avg=11.27, stdev= 8.16, samples=64 write: IOPS=11, BW=184KiB/s (189kB/s)(6032KiB/32759msec); 0 zone resets clat (msec): min=12, max=203, avg=51.78, stdev=33.62 lat (msec): min=12, max=203, avg=51.78, stdev=33.62 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 17], 10.00th=[ 20], 20.00th=[ 25], | 30.00th=[ 30], 40.00th=[ 35], 50.00th=[ 42], 60.00th=[ 50], | 70.00th=[ 62], 80.00th=[ 77], 90.00th=[ 103], 95.00th=[ 116], | 99.00th=[ 165], 99.50th=[ 201], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 31, max= 542, per=24.22%, avg=183.11, stdev=99.93, samples=64 iops : min= 1, max= 33, avg=10.67, stdev= 6.26, samples=64 lat (msec) : 10=2.73%, 20=23.57%, 50=44.53%, 100=22.66%, 250=6.51% cpu : usr=0.05%, sys=2.60%, ctx=1244, 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=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=180543: Thu Jun 11 23:01:44 2026 read: IOPS=11, BW=185KiB/s (189kB/s)(6032KiB/32639msec) clat (msec): min=4, max=174, avg=34.24, stdev=28.32 lat (msec): min=4, max=174, avg=34.24, stdev=28.32 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 23], 60.00th=[ 29], | 70.00th=[ 37], 80.00th=[ 48], 90.00th=[ 74], 95.00th=[ 99], | 99.00th=[ 138], 99.50th=[ 146], 99.90th=[ 176], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 31, max= 510, per=25.73%, avg=184.72, stdev=105.22, samples=64 iops : min= 1, max= 31, avg=10.75, stdev= 6.64, samples=64 write: IOPS=11, BW=192KiB/s (196kB/s)(6256KiB/32639msec); 0 zone resets clat (msec): min=10, max=217, avg=49.79, stdev=30.74 lat (msec): min=10, max=217, avg=49.79, stdev=30.74 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 18], 10.00th=[ 19], 20.00th=[ 24], | 30.00th=[ 29], 40.00th=[ 35], 50.00th=[ 42], 60.00th=[ 50], | 70.00th=[ 61], 80.00th=[ 74], 90.00th=[ 93], 95.00th=[ 115], | 99.00th=[ 138], 99.50th=[ 140], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 63, max= 603, per=25.47%, avg=192.55, stdev=110.78, samples=64 iops : min= 3, max= 37, avg=11.27, stdev= 6.94, samples=64 lat (msec) : 10=2.21%, 20=23.96%, 50=44.92%, 100=22.53%, 250=6.38% cpu : usr=0.09%, sys=2.70%, ctx=1231, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=719KiB/s (736kB/s), 172KiB/s-191KiB/s (177kB/s-196kB/s), io=23.4MiB (24.5MB), run=32639-33323msec WRITE: bw=756KiB/s (774kB/s), 184KiB/s-196KiB/s (189kB/s-201kB/s), io=24.6MiB (25.8MB), run=32639-33323msec 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=180553: Thu Jun 11 23:01:57 2026 read: IOPS=2, BW=2065KiB/s (2115kB/s)(7168KiB/3471msec) clat (usec): min=527, max=354247, avg=144893.79, stdev=120967.29 lat (usec): min=528, max=354248, avg=144895.43, stdev=120967.42 clat percentiles (usec): | 1.00th=[ 529], 5.00th=[ 529], 10.00th=[ 529], 20.00th=[ 2638], | 30.00th=[143655], 40.00th=[143655], 50.00th=[152044], 60.00th=[173016], | 70.00th=[173016], 80.00th=[189793], 90.00th=[354419], 95.00th=[354419], | 99.00th=[354419], 99.50th=[354419], 99.90th=[354419], 99.95th=[354419], | 99.99th=[354419] bw ( KiB/s): min= 2000, max= 3984, per=58.21%, avg=2959.50, stdev=1082.84, samples=4 iops : min= 1, max= 3, avg= 2.25, stdev= 0.96, samples=4 write: IOPS=1, BW=1475KiB/s (1510kB/s)(5120KiB/3471msec); 0 zone resets clat (msec): min=274, max=908, avg=481.05, stdev=251.15 lat (msec): min=274, max=908, avg=481.13, stdev=251.12 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 275], 10.00th=[ 275], 20.00th=[ 275], | 30.00th=[ 338], 40.00th=[ 338], 50.00th=[ 401], 60.00th=[ 401], | 70.00th=[ 485], 80.00th=[ 485], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 1903, max= 4096, per=37.49%, avg=2668.67, stdev=1237.20, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 lat (usec) : 750=8.33% lat (msec) : 4=8.33%, 250=33.33%, 500=41.67%, 1000=8.33% cpu : usr=0.00%, sys=9.88%, ctx=122, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180554: Thu Jun 11 23:01:57 2026 read: IOPS=0, BW=508KiB/s (521kB/s)(2048KiB/4028msec) clat (usec): min=1688, max=242952, avg=122320.68, stdev=170599.86 lat (usec): min=1689, max=242954, avg=122321.92, stdev=170599.93 clat percentiles (usec): | 1.00th=[ 1696], 5.00th=[ 1696], 10.00th=[ 1696], 20.00th=[ 1696], | 30.00th=[ 1696], 40.00th=[ 1696], 50.00th=[ 1696], 60.00th=[242222], | 70.00th=[242222], 80.00th=[242222], 90.00th=[242222], 95.00th=[242222], | 99.00th=[242222], 99.50th=[242222], 99.90th=[242222], 99.95th=[242222], | 99.99th=[242222] bw ( KiB/s): min= 1420, max= 1996, per=33.60%, avg=1708.00, stdev=407.29, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2542KiB/s (2603kB/s)(10.0MiB/4028msec); 0 zone resets clat (msec): min=163, max=702, avg=368.74, stdev=151.13 lat (msec): min=163, max=702, avg=368.82, stdev=151.10 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 165], 10.00th=[ 165], 20.00th=[ 186], | 30.00th=[ 268], 40.00th=[ 355], 50.00th=[ 376], 60.00th=[ 388], | 70.00th=[ 393], 80.00th=[ 422], 90.00th=[ 435], 95.00th=[ 701], | 99.00th=[ 701], 99.50th=[ 701], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 1996, max= 3953, per=49.52%, avg=3524.60, stdev=855.59, samples=5 iops : min= 1, max= 3, avg= 2.60, stdev= 0.89, samples=5 lat (msec) : 2=8.33%, 250=25.00%, 500=58.33%, 750=8.33% cpu : usr=0.00%, sys=13.24%, ctx=171, 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=180555: Thu Jun 11 23:01:57 2026 read: IOPS=1, BW=1804KiB/s (1848kB/s)(6144KiB/3405msec) clat (usec): min=478, max=338590, avg=204300.05, stdev=160412.74 lat (usec): min=480, max=338591, avg=204301.33, stdev=160412.65 clat percentiles (usec): | 1.00th=[ 478], 5.00th=[ 478], 10.00th=[ 478], 20.00th=[ 562], | 30.00th=[ 562], 40.00th=[258999], 50.00th=[258999], 60.00th=[295699], | 70.00th=[333448], 80.00th=[333448], 90.00th=[337642], 95.00th=[337642], | 99.00th=[337642], 99.50th=[337642], 99.90th=[337642], 99.95th=[337642], | 99.99th=[337642] bw ( KiB/s): min= 1903, max= 6144, per=66.10%, avg=3360.67, stdev=2411.34, samples=3 iops : min= 1, max= 6, avg= 2.67, stdev= 2.89, samples=3 write: IOPS=1, BW=1804KiB/s (1848kB/s)(6144KiB/3405msec); 0 zone resets clat (msec): min=179, max=696, avg=345.38, stdev=207.40 lat (msec): min=179, max=696, avg=345.45, stdev=207.39 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 180], 10.00th=[ 180], 20.00th=[ 186], | 30.00th=[ 186], 40.00th=[ 199], 50.00th=[ 199], 60.00th=[ 338], | 70.00th=[ 477], 80.00th=[ 477], 90.00th=[ 693], 95.00th=[ 693], | 99.00th=[ 693], 99.50th=[ 693], 99.90th=[ 693], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 2000, max= 4007, per=35.34%, avg=2515.50, stdev=994.56, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 250=25.00%, 500=50.00%, 750=8.33% cpu : usr=0.00%, sys=10.63%, ctx=169, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180556: Thu Jun 11 23:01:57 2026 read: IOPS=1, BW=1685KiB/s (1725kB/s)(5120KiB/3039msec) clat (usec): min=481, max=262260, avg=154692.92, stdev=118456.85 lat (usec): min=482, max=262261, avg=154694.05, stdev=118456.80 clat percentiles (usec): | 1.00th=[ 482], 5.00th=[ 482], 10.00th=[ 482], 20.00th=[ 482], | 30.00th=[ 56886], 40.00th=[ 56886], 50.00th=[206570], 60.00th=[206570], | 70.00th=[246416], 80.00th=[246416], 90.00th=[263193], 95.00th=[263193], | 99.00th=[263193], 99.50th=[263193], 99.90th=[263193], 99.95th=[263193], | 99.99th=[263193] bw ( KiB/s): min= 7984, max= 7984, per=100.00%, avg=7984.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2359KiB/s (2415kB/s)(7168KiB/3039msec); 0 zone resets clat (msec): min=190, max=499, avg=307.84, stdev=97.94 lat (msec): min=190, max=499, avg=307.93, stdev=97.95 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 251], | 30.00th=[ 275], 40.00th=[ 275], 50.00th=[ 288], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 355], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 1395, max= 4087, per=39.75%, avg=2829.75, stdev=1346.96, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 lat (usec) : 500=8.33% lat (msec) : 100=8.33%, 250=25.00%, 500=58.33% cpu : usr=0.00%, sys=11.49%, ctx=133, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5084KiB/s (5206kB/s), 508KiB/s-2065KiB/s (521kB/s-2115kB/s), io=20.0MiB (20.0MB), run=3039-4028msec WRITE: bw=7118KiB/s (7289kB/s), 1475KiB/s-2542KiB/s (1510kB/s-2603kB/s), io=28.0MiB (29.4MB), run=3039-4028msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180558: Thu Jun 11 23:01:58 2026 read: IOPS=1, BW=1570KiB/s (1608kB/s)(7168KiB/4565msec) clat (msec): min=109, max=1068, avg=409.03, stdev=426.95 lat (msec): min=109, max=1068, avg=409.04, stdev=426.95 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 115], | 30.00th=[ 167], 40.00th=[ 167], 50.00th=[ 201], 60.00th=[ 213], | 70.00th=[ 213], 80.00th=[ 995], 90.00th=[ 1070], 95.00th=[ 1070], | 99.00th=[ 1070], 99.50th=[ 1070], 99.90th=[ 1070], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 1828, max= 4096, per=73.74%, avg=3308.00, stdev=1282.62, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 write: IOPS=1, BW=1122KiB/s (1148kB/s)(5120KiB/4565msec); 0 zone resets clat (msec): min=159, max=507, avg=305.65, stdev=143.19 lat (msec): min=159, max=507, avg=305.74, stdev=143.19 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 161], | 30.00th=[ 178], 40.00th=[ 178], 50.00th=[ 326], 60.00th=[ 326], | 70.00th=[ 359], 80.00th=[ 359], 90.00th=[ 510], 95.00th=[ 510], | 99.00th=[ 510], 99.50th=[ 510], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 1932, max= 4087, per=42.28%, avg=2655.00, stdev=1240.17, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 250=58.33%, 500=16.67%, 750=8.33%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=4.36%, ctx=87, 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=180559: Thu Jun 11 23:01:58 2026 read: IOPS=0, BW=500KiB/s (512kB/s)(2048KiB/4099msec) clat (msec): min=96, max=357, avg=227.08, stdev=184.81 lat (msec): min=96, max=357, avg=227.08, stdev=184.81 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 96], 10.00th=[ 96], 20.00th=[ 96], | 30.00th=[ 96], 40.00th=[ 96], 50.00th=[ 96], 60.00th=[ 359], | 70.00th=[ 359], 80.00th=[ 359], 90.00th=[ 359], 95.00th=[ 359], | 99.00th=[ 359], 99.50th=[ 359], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 1462, max= 2048, per=39.12%, avg=1755.00, stdev=414.36, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2498KiB/s (2558kB/s)(10.0MiB/4099msec); 0 zone resets clat (msec): min=115, max=1330, avg=361.10, stdev=362.11 lat (msec): min=115, max=1330, avg=361.21, stdev=362.12 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 115], 10.00th=[ 115], 20.00th=[ 134], | 30.00th=[ 165], 40.00th=[ 188], 50.00th=[ 215], 60.00th=[ 228], | 70.00th=[ 338], 80.00th=[ 401], 90.00th=[ 498], 95.00th=[ 1334], | 99.00th=[ 1334], 99.50th=[ 1334], 99.90th=[ 1334], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 1932, max= 4047, per=50.75%, avg=3186.80, stdev=1094.61, samples=5 iops : min= 1, max= 3, avg= 2.40, stdev= 0.89, samples=5 lat (msec) : 100=8.33%, 250=50.00%, 500=33.33%, 2000=8.33% cpu : usr=0.02%, sys=4.83%, ctx=98, 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=180560: Thu Jun 11 23:01:58 2026 read: IOPS=1, BW=1363KiB/s (1395kB/s)(6144KiB/4509msec) clat (msec): min=109, max=508, avg=226.35, stdev=156.32 lat (msec): min=109, max=508, avg=226.35, stdev=156.32 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 134], | 30.00th=[ 134], 40.00th=[ 144], 50.00th=[ 144], 60.00th=[ 148], | 70.00th=[ 313], 80.00th=[ 313], 90.00th=[ 510], 95.00th=[ 510], | 99.00th=[ 510], 99.50th=[ 510], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 3864, max= 3893, per=86.46%, avg=3878.50, stdev=20.51, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1363KiB/s (1395kB/s)(6144KiB/4509msec); 0 zone resets clat (msec): min=85, max=1139, avg=507.24, stdev=353.03 lat (msec): min=85, max=1140, avg=507.35, stdev=353.03 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 86], 10.00th=[ 86], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 409], 50.00th=[ 409], 60.00th=[ 456], | 70.00th=[ 600], 80.00th=[ 600], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 1875, max= 4000, per=39.67%, avg=2491.50, stdev=1008.88, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 100=8.33%, 250=33.33%, 500=33.33%, 750=16.67%, 2000=8.33% cpu : usr=0.07%, sys=4.30%, ctx=87, 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=180561: Thu Jun 11 23:01:58 2026 read: IOPS=1, BW=1137KiB/s (1164kB/s)(5120KiB/4505msec) clat (msec): min=48, max=770, avg=290.23, stdev=302.98 lat (msec): min=48, max=770, avg=290.24, stdev=302.98 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 48], 10.00th=[ 48], 20.00th=[ 48], | 30.00th=[ 110], 40.00th=[ 110], 50.00th=[ 115], 60.00th=[ 115], | 70.00th=[ 409], 80.00th=[ 409], 90.00th=[ 768], 95.00th=[ 768], | 99.00th=[ 768], 99.50th=[ 768], 99.90th=[ 768], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 2043, max= 3893, per=59.33%, avg=2661.33, stdev=1066.66, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1591KiB/s (1629kB/s)(7168KiB/4505msec); 0 zone resets clat (msec): min=91, max=871, avg=422.03, stdev=286.32 lat (msec): min=91, max=871, avg=422.12, stdev=286.31 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 92], 10.00th=[ 92], 20.00th=[ 126], | 30.00th=[ 234], 40.00th=[ 234], 50.00th=[ 472], 60.00th=[ 531], | 70.00th=[ 531], 80.00th=[ 634], 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= 1875, max= 2000, per=31.06%, avg=1950.75, stdev=59.34, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (msec) : 50=8.33%, 100=8.33%, 250=33.33%, 500=16.67%, 750=16.67% lat (msec) : 1000=16.67% cpu : usr=0.02%, sys=4.31%, ctx=81, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4486KiB/s (4594kB/s), 500KiB/s-1570KiB/s (512kB/s-1608kB/s), io=20.0MiB (20.0MB), run=4099-4565msec WRITE: bw=6281KiB/s (6432kB/s), 1122KiB/s-2498KiB/s (1148kB/s-2558kB/s), io=28.0MiB (29.4MB), run=4099-4565msec 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=180568: Thu Jun 11 23:02:13 2026 read: IOPS=0, BW=3347KiB/s (3428kB/s)(12.0MiB/3671msec) clat (msec): min=920, max=1377, avg=1195.76, stdev=242.43 lat (msec): min=920, max=1377, avg=1195.77, stdev=242.43 clat percentiles (msec): | 1.00th=[ 919], 5.00th=[ 919], 10.00th=[ 919], 20.00th=[ 919], | 30.00th=[ 919], 40.00th=[ 1284], 50.00th=[ 1284], 60.00th=[ 1284], | 70.00th=[ 1385], 80.00th=[ 1385], 90.00th=[ 1385], 95.00th=[ 1385], | 99.00th=[ 1385], 99.50th=[ 1385], 99.90th=[ 1385], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7571, max= 8143, per=100.00%, avg=7857.00, stdev=404.47, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=2.89%, ctx=52, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180569: Thu Jun 11 23:02:13 2026 read: IOPS=0, BW=961KiB/s (984kB/s)(4096KiB/4262msec) clat (nsec): min=1409.5M, max=1409.5M, avg=1409479272.00, stdev= 0.00 lat (nsec): min=1409.5M, max=1409.5M, avg=1409480504.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1418], 5.00th=[ 1418], 10.00th=[ 1418], 20.00th=[ 1418], | 30.00th=[ 1418], 40.00th=[ 1418], 50.00th=[ 1418], 60.00th=[ 1418], | 70.00th=[ 1418], 80.00th=[ 1418], 90.00th=[ 1418], 95.00th=[ 1418], | 99.00th=[ 1418], 99.50th=[ 1418], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1922KiB/s (1968kB/s)(8192KiB/4262msec); 0 zone resets clat (msec): min=612, max=2022, avg=1317.36, stdev=997.08 lat (msec): min=617, max=2023, avg=1320.42, stdev=994.53 clat percentiles (msec): | 1.00th=[ 609], 5.00th=[ 609], 10.00th=[ 609], 20.00th=[ 609], | 30.00th=[ 609], 40.00th=[ 609], 50.00th=[ 609], 60.00th=[ 2022], | 70.00th=[ 2022], 80.00th=[ 2022], 90.00th=[ 2022], 95.00th=[ 2022], | 99.00th=[ 2022], 99.50th=[ 2022], 99.90th=[ 2022], 99.95th=[ 2022], | 99.99th=[ 2022] 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) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.83%, ctx=71, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180570: Thu Jun 11 23:02:13 2026 write: IOPS=0, BW=2866KiB/s (2934kB/s)(12.0MiB/4288msec); 0 zone resets clat (msec): min=412, max=3140, avg=1393.76, stdev=1516.35 lat (msec): min=412, max=3140, avg=1394.43, stdev=1516.05 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 414], 10.00th=[ 414], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 625], 50.00th=[ 625], 60.00th=[ 625], | 70.00th=[ 3138], 80.00th=[ 3138], 90.00th=[ 3138], 95.00th=[ 3138], | 99.00th=[ 3138], 99.50th=[ 3138], 99.90th=[ 3138], 99.95th=[ 3138], | 99.99th=[ 3138] bw ( KiB/s): min= 8062, max= 8159, per=100.00%, avg=8110.50, stdev=68.59, 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=3.34%, ctx=66, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180571: Thu Jun 11 23:02:13 2026 write: IOPS=0, BW=2820KiB/s (2888kB/s)(12.0MiB/4357msec); 0 zone resets clat (msec): min=830, max=2550, avg=1423.64, stdev=976.02 lat (msec): min=830, max=2552, avg=1424.65, stdev=977.04 clat percentiles (msec): | 1.00th=[ 827], 5.00th=[ 827], 10.00th=[ 827], 20.00th=[ 827], | 30.00th=[ 827], 40.00th=[ 894], 50.00th=[ 894], 60.00th=[ 894], | 70.00th=[ 2534], 80.00th=[ 2534], 90.00th=[ 2534], 95.00th=[ 2534], | 99.00th=[ 2534], 99.50th=[ 2534], 99.90th=[ 2534], 99.95th=[ 2534], | 99.99th=[ 2534] bw ( KiB/s): min= 7846, max= 7922, per=100.00%, avg=7884.00, stdev=53.74, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=2.98%, ctx=57, 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=3844KiB/s (3936kB/s), 961KiB/s-3347KiB/s (984kB/s-3428kB/s), io=16.0MiB (16.8MB), run=3671-4262msec WRITE: bw=7521KiB/s (7701kB/s), 1922KiB/s-2866KiB/s (1968kB/s-2934kB/s), io=32.0MiB (33.6MB), run=4262-4357msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180572: Thu Jun 11 23:02:14 2026 read: IOPS=0, BW=4051KiB/s (4149kB/s)(12.0MiB/3033msec) clat (msec): min=729, max=1050, avg=939.64, stdev=182.12 lat (msec): min=729, max=1050, avg=939.64, stdev=182.12 clat percentiles (msec): | 1.00th=[ 726], 5.00th=[ 726], 10.00th=[ 726], 20.00th=[ 726], | 30.00th=[ 726], 40.00th=[ 1036], 50.00th=[ 1036], 60.00th=[ 1036], | 70.00th=[ 1053], 80.00th=[ 1053], 90.00th=[ 1053], 95.00th=[ 1053], | 99.00th=[ 1053], 99.50th=[ 1053], 99.90th=[ 1053], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 7787, max= 8015, per=100.00%, avg=7901.00, stdev=161.22, 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=13.16%, ctx=216, 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=180573: Thu Jun 11 23:02:14 2026 read: IOPS=0, BW=1459KiB/s (1494kB/s)(4096KiB/2807msec) clat (nsec): min=988027k, max=988027k, avg=988027247.00, stdev= 0.00 lat (nsec): min=988030k, max=988030k, avg=988030306.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 986], 5.00th=[ 986], 10.00th=[ 986], 20.00th=[ 986], | 30.00th=[ 986], 40.00th=[ 986], 50.00th=[ 986], 60.00th=[ 986], | 70.00th=[ 986], 80.00th=[ 986], 90.00th=[ 986], 95.00th=[ 986], | 99.00th=[ 986], 99.50th=[ 986], 99.90th=[ 986], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 8015, max= 8015, per=100.00%, avg=8015.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2918KiB/s (2988kB/s)(8192KiB/2807msec); 0 zone resets clat (msec): min=499, max=1272, avg=885.94, stdev=546.02 lat (msec): min=501, max=1272, avg=887.11, stdev=544.97 clat percentiles (msec): | 1.00th=[ 502], 5.00th=[ 502], 10.00th=[ 502], 20.00th=[ 502], | 30.00th=[ 502], 40.00th=[ 502], 50.00th=[ 502], 60.00th=[ 1267], | 70.00th=[ 1267], 80.00th=[ 1267], 90.00th=[ 1267], 95.00th=[ 1267], | 99.00th=[ 1267], 99.50th=[ 1267], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.18%, sys=5.13%, ctx=101, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180574: Thu Jun 11 23:02:14 2026 write: IOPS=0, BW=3050KiB/s (3123kB/s)(12.0MiB/4029msec); 0 zone resets clat (msec): min=607, max=2543, avg=1283.69, stdev=1091.94 lat (msec): min=608, max=2543, avg=1284.09, stdev=1091.91 clat percentiles (msec): | 1.00th=[ 609], 5.00th=[ 609], 10.00th=[ 609], 20.00th=[ 609], | 30.00th=[ 609], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 2534], 80.00th=[ 2534], 90.00th=[ 2534], 95.00th=[ 2534], | 99.00th=[ 2534], 99.50th=[ 2534], 99.90th=[ 2534], 99.95th=[ 2534], | 99.99th=[ 2534] bw ( KiB/s): min= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=66.67%, >=2000=33.33% cpu : usr=0.07%, sys=2.86%, ctx=69, 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=180575: Thu Jun 11 23:02:14 2026 write: IOPS=0, BW=2852KiB/s (2921kB/s)(12.0MiB/4308msec); 0 zone resets clat (msec): min=1156, max=1855, avg=1406.84, stdev=389.00 lat (msec): min=1163, max=1855, avg=1409.81, stdev=386.59 clat percentiles (msec): | 1.00th=[ 1150], 5.00th=[ 1150], 10.00th=[ 1150], 20.00th=[ 1150], | 30.00th=[ 1150], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 1854], 80.00th=[ 1854], 90.00th=[ 1854], 95.00th=[ 1854], | 99.00th=[ 1854], 99.50th=[ 1854], 99.90th=[ 1854], 99.95th=[ 1854], | 99.99th=[ 1854] bw ( KiB/s): min= 8000, max= 8192, per=100.00%, avg=8096.00, stdev=135.76, 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=2.00%, ctx=61, 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=5402KiB/s (5532kB/s), 1459KiB/s-4051KiB/s (1494kB/s-4149kB/s), io=16.0MiB (16.8MB), run=2807-3033msec WRITE: bw=7606KiB/s (7789kB/s), 2852KiB/s-3050KiB/s (2921kB/s-3123kB/s), io=32.0MiB (33.6MB), run=2807-4308msec