== sanity test 398b: DIO and buffer IO race ============== 05:05:56 (1780995956) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 7.19809 s, 7.0 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=173940: Tue Jun 9 05:08:48 2026 read: IOPS=9, BW=39.6KiB/s (40.6kB/s)(5992KiB/151173msec) clat (usec): min=34, max=893157, avg=50183.40, stdev=45993.70 lat (usec): min=34, max=893158, avg=50187.06, stdev=45993.14 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 64], 10.00th=[ 1270], 20.00th=[ 23200], | 30.00th=[ 29492], 40.00th=[ 36439], 50.00th=[ 42730], 60.00th=[ 50594], | 70.00th=[ 60556], 80.00th=[ 72877], 90.00th=[ 94897], 95.00th=[110625], | 99.00th=[183501], 99.50th=[219153], 99.90th=[624952], 99.95th=[893387], | 99.99th=[893387] bw ( KiB/s): min= 7, max= 104, per=25.02%, avg=39.53, stdev=18.97, samples=293 iops : min= 1, max= 26, avg= 9.22, stdev= 4.79, samples=293 write: IOPS=10, BW=41.6KiB/s (42.6kB/s)(6296KiB/151173msec); 0 zone resets clat (usec): min=1052, max=391759, avg=48136.61, stdev=48667.26 lat (usec): min=1052, max=391762, avg=48159.82, stdev=48675.40 clat percentiles (usec): | 1.00th=[ 1205], 5.00th=[ 1385], 10.00th=[ 2114], 20.00th=[ 5997], | 30.00th=[ 11863], 40.00th=[ 21890], 50.00th=[ 35914], 60.00th=[ 47973], | 70.00th=[ 62129], 80.00th=[ 83362], 90.00th=[113771], 95.00th=[141558], | 99.00th=[214959], 99.50th=[235930], 99.90th=[362808], 99.95th=[392168], | 99.99th=[392168] bw ( KiB/s): min= 7, max= 119, per=24.96%, avg=41.44, stdev=18.92, samples=294 iops : min= 1, max= 29, avg= 9.71, stdev= 4.77, samples=294 lat (usec) : 50=0.42%, 100=4.07%, 250=0.26%, 500=0.03%, 1000=0.03% lat (msec) : 2=4.92%, 4=2.90%, 10=6.18%, 20=8.76%, 50=32.81% lat (msec) : 100=28.61%, 250=10.58%, 500=0.36%, 750=0.03%, 1000=0.03% cpu : usr=0.07%, sys=4.97%, ctx=6577, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=173941: Tue Jun 9 05:08:48 2026 read: IOPS=10, BW=40.2KiB/s (41.1kB/s)(5940KiB/147854msec) clat (usec): min=32, max=910759, avg=49083.23, stdev=42782.18 lat (usec): min=33, max=910761, avg=49091.37, stdev=42797.41 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 60], 10.00th=[ 113], 20.00th=[ 22152], | 30.00th=[ 28967], 40.00th=[ 35390], 50.00th=[ 42206], 60.00th=[ 49546], | 70.00th=[ 59507], 80.00th=[ 72877], 90.00th=[ 93848], 95.00th=[113771], | 99.00th=[183501], 99.50th=[219153], 99.90th=[287310], 99.95th=[910164], | 99.99th=[910164] bw ( KiB/s): min= 7, max= 94, per=25.71%, avg=40.62, stdev=17.94, samples=284 iops : min= 1, max= 23, avg= 9.50, stdev= 4.53, samples=284 write: IOPS=10, BW=42.9KiB/s (43.0kB/s)(6348KiB/147854msec); 0 zone resets clat (usec): min=1054, max=791850, avg=47109.10, stdev=51362.45 lat (usec): min=1055, max=791852, avg=47112.25, stdev=51362.71 clat percentiles (usec): | 1.00th=[ 1205], 5.00th=[ 1385], 10.00th=[ 2057], 20.00th=[ 5276], | 30.00th=[ 10028], 40.00th=[ 21365], 50.00th=[ 35390], 60.00th=[ 46924], | 70.00th=[ 61604], 80.00th=[ 81265], 90.00th=[109577], 95.00th=[135267], | 99.00th=[217056], 99.50th=[258999], 99.90th=[497026], 99.95th=[792724], | 99.99th=[792724] bw ( KiB/s): min= 7, max= 112, per=25.99%, avg=43.14, stdev=19.35, samples=285 iops : min= 1, max= 28, avg=10.12, stdev= 4.86, samples=285 lat (usec) : 50=0.65%, 100=4.13%, 250=0.55%, 500=0.13% lat (msec) : 2=5.08%, 4=3.35%, 10=7.13%, 20=7.62%, 50=32.85% lat (msec) : 100=27.86%, 250=10.25%, 500=0.33%, 1000=0.07% cpu : usr=0.09%, sys=4.93%, ctx=6501, majf=0, minf=19 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=173942: Tue Jun 9 05:08:48 2026 read: IOPS=10, BW=40.5KiB/s (41.5kB/s)(6028KiB/148658msec) clat (usec): min=35, max=320202, avg=48066.71, stdev=36604.34 lat (usec): min=35, max=320204, avg=48069.40, stdev=36604.93 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 63], 10.00th=[ 169], 20.00th=[ 22676], | 30.00th=[ 28705], 40.00th=[ 34866], 50.00th=[ 40633], 60.00th=[ 47973], | 70.00th=[ 58459], 80.00th=[ 71828], 90.00th=[ 91751], 95.00th=[112722], | 99.00th=[160433], 99.50th=[210764], 99.90th=[320865], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 7, max= 103, per=26.02%, avg=41.11, stdev=18.74, samples=284 iops : min= 1, max= 25, avg= 9.61, stdev= 4.70, samples=284 write: IOPS=10, BW=42.1KiB/s (43.1kB/s)(6260KiB/148658msec); 0 zone resets clat (usec): min=1123, max=1065.8k, avg=48560.65, stdev=56044.89 lat (usec): min=1124, max=1065.8k, avg=48565.00, stdev=56046.62 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1385], 10.00th=[ 1827], | 20.00th=[ 5800], 30.00th=[ 10421], 40.00th=[ 22152], | 50.00th=[ 34866], 60.00th=[ 48497], 70.00th=[ 63177], | 80.00th=[ 82314], 90.00th=[ 112722], 95.00th=[ 141558], | 99.00th=[ 204473], 99.50th=[ 248513], 99.90th=[ 408945], | 99.95th=[1069548], 99.99th=[1069548] bw ( KiB/s): min= 7, max= 118, per=25.23%, avg=41.89, stdev=17.82, samples=289 iops : min= 1, max= 29, avg= 9.82, stdev= 4.49, samples=289 lat (usec) : 50=0.52%, 100=3.91%, 250=0.55%, 500=0.07%, 1000=0.07% lat (msec) : 2=5.57%, 4=2.83%, 10=6.80%, 20=7.65%, 50=34.02% lat (msec) : 100=27.41%, 250=10.22%, 500=0.36%, 2000=0.03% cpu : usr=0.07%, sys=4.89%, ctx=6477, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=173943: Tue Jun 9 05:08:48 2026 read: IOPS=10, BW=40.4KiB/s (41.4kB/s)(6052KiB/149744msec) clat (usec): min=32, max=342565, avg=49917.03, stdev=38389.03 lat (usec): min=33, max=342567, avg=49925.22, stdev=38387.78 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 62], 10.00th=[ 2835], 20.00th=[ 23462], | 30.00th=[ 30278], 40.00th=[ 36439], 50.00th=[ 43254], 60.00th=[ 50070], | 70.00th=[ 60556], 80.00th=[ 72877], 90.00th=[ 93848], 95.00th=[115868], | 99.00th=[175113], 99.50th=[244319], 99.90th=[329253], 99.95th=[341836], | 99.99th=[341836] bw ( KiB/s): min= 7, max= 94, per=25.50%, avg=40.29, stdev=18.04, samples=292 iops : min= 1, max= 23, avg= 9.42, stdev= 4.54, samples=292 write: IOPS=10, BW=41.6KiB/s (42.6kB/s)(6236KiB/149744msec); 0 zone resets clat (usec): min=1072, max=993153, avg=47462.92, stdev=57103.25 lat (usec): min=1073, max=993155, avg=47474.71, stdev=57108.08 clat percentiles (usec): | 1.00th=[ 1188], 5.00th=[ 1385], 10.00th=[ 1844], 20.00th=[ 5080], | 30.00th=[ 10552], 40.00th=[ 20841], 50.00th=[ 33817], 60.00th=[ 45876], | 70.00th=[ 60556], 80.00th=[ 81265], 90.00th=[111674], 95.00th=[137364], | 99.00th=[214959], 99.50th=[263193], 99.90th=[759170], 99.95th=[994051], | 99.99th=[994051] bw ( KiB/s): min= 7, max= 110, per=25.12%, avg=41.70, stdev=18.41, samples=291 iops : min= 1, max= 27, avg= 9.76, stdev= 4.63, samples=291 lat (usec) : 50=0.59%, 100=3.55%, 250=0.46%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.03% lat (msec) : 2=5.57%, 4=3.12%, 10=6.64%, 20=7.71%, 50=34.08% lat (msec) : 100=27.73%, 250=9.86%, 500=0.49%, 1000=0.07% cpu : usr=0.07%, sys=4.98%, ctx=6417, majf=0, minf=19 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=159KiB/s (163kB/s), 39.6KiB/s-40.5KiB/s (40.6kB/s-41.5kB/s), io=23.4MiB (24.6MB), run=147854-151173msec WRITE: bw=166KiB/s (170kB/s), 41.6KiB/s-42.9KiB/s (42.6kB/s-43.0kB/s), io=24.6MiB (25.7MB), run=147854-151173msec rand-rw: (groupid=0, jobs=1): err= 0: pid=173935: Tue Jun 9 05:11:47 2026 read: IOPS=4, BW=18.2KiB/s (18.7kB/s)(5992KiB/328596msec) clat (msec): min=7, max=934, avg=46.24, stdev=43.84 lat (msec): min=7, max=934, avg=46.25, stdev=43.85 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 25], 40.00th=[ 30], 50.00th=[ 35], 60.00th=[ 42], | 70.00th=[ 50], 80.00th=[ 64], 90.00th=[ 94], 95.00th=[ 120], | 99.00th=[ 186], 99.50th=[ 228], 99.90th=[ 435], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7, max= 87, per=29.52%, avg=21.26, stdev=13.68, samples=541 iops : min= 1, max= 21, avg= 4.67, stdev= 3.45, samples=541 write: IOPS=4, BW=19.2KiB/s (19.6kB/s)(6296KiB/328596msec); 0 zone resets clat (msec): min=42, max=640, avg=164.42, stdev=77.86 lat (msec): min=42, max=640, avg=164.42, stdev=77.86 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 77], 10.00th=[ 85], 20.00th=[ 102], | 30.00th=[ 117], 40.00th=[ 132], 50.00th=[ 148], 60.00th=[ 165], | 70.00th=[ 186], 80.00th=[ 218], 90.00th=[ 271], 95.00th=[ 317], | 99.00th=[ 439], 99.50th=[ 498], 99.90th=[ 592], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 7, max= 47, per=25.32%, avg=19.24, stdev= 8.34, samples=625 iops : min= 1, max= 11, avg= 4.16, stdev= 2.14, samples=625 lat (msec) : 10=1.27%, 20=9.70%, 50=23.57%, 100=20.05%, 250=38.93% lat (msec) : 500=6.22%, 750=0.23%, 1000=0.03% cpu : usr=0.04%, sys=1.27%, ctx=5621, 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=173936: Tue Jun 9 05:11:47 2026 read: IOPS=4, BW=17.0KiB/s (18.4kB/s)(5940KiB/330512msec) clat (msec): min=6, max=982, avg=46.99, stdev=47.28 lat (msec): min=6, max=982, avg=46.99, stdev=47.28 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 25], 40.00th=[ 31], 50.00th=[ 35], 60.00th=[ 43], | 70.00th=[ 51], 80.00th=[ 63], 90.00th=[ 90], 95.00th=[ 121], | 99.00th=[ 224], 99.50th=[ 259], 99.90th=[ 443], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 7, max= 87, per=29.92%, avg=21.54, stdev=14.05, samples=529 iops : min= 1, max= 21, avg= 4.74, stdev= 3.54, samples=529 write: IOPS=4, BW=19.2KiB/s (19.7kB/s)(6348KiB/330512msec); 0 zone resets clat (msec): min=35, max=650, avg=163.94, stdev=77.16 lat (msec): min=35, max=650, avg=163.95, stdev=77.15 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 75], 10.00th=[ 87], 20.00th=[ 102], | 30.00th=[ 117], 40.00th=[ 131], 50.00th=[ 146], 60.00th=[ 165], | 70.00th=[ 188], 80.00th=[ 215], 90.00th=[ 271], 95.00th=[ 317], | 99.00th=[ 430], 99.50th=[ 481], 99.90th=[ 600], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 7, max= 63, per=24.96%, avg=18.97, stdev= 8.62, samples=639 iops : min= 1, max= 15, avg= 4.09, stdev= 2.20, samples=639 lat (msec) : 10=1.07%, 20=9.57%, 50=23.47%, 100=20.31%, 250=38.93% lat (msec) : 500=6.45%, 750=0.16%, 1000=0.03% cpu : usr=0.03%, sys=1.23%, ctx=5654, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=173937: Tue Jun 9 05:11:47 2026 read: IOPS=4, BW=18.3KiB/s (18.7kB/s)(6028KiB/330275msec) clat (msec): min=6, max=638, avg=48.03, stdev=48.05 lat (msec): min=6, max=638, avg=48.03, stdev=48.05 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 25], 40.00th=[ 30], 50.00th=[ 36], 60.00th=[ 42], | 70.00th=[ 51], 80.00th=[ 65], 90.00th=[ 94], 95.00th=[ 122], | 99.00th=[ 234], 99.50th=[ 372], 99.90th=[ 510], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 7, max= 95, per=28.69%, avg=20.66, stdev=13.83, samples=558 iops : min= 1, max= 23, avg= 4.51, stdev= 3.49, samples=558 write: IOPS=4, BW=18.0KiB/s (19.4kB/s)(6260KiB/330275msec); 0 zone resets clat (msec): min=41, max=1139, avg=164.44, stdev=78.56 lat (msec): min=41, max=1139, avg=164.44, stdev=78.56 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 105], | 30.00th=[ 117], 40.00th=[ 132], 50.00th=[ 146], 60.00th=[ 165], | 70.00th=[ 186], 80.00th=[ 220], 90.00th=[ 268], 95.00th=[ 313], | 99.00th=[ 401], 99.50th=[ 447], 99.90th=[ 776], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 7, max= 40, per=24.82%, avg=18.86, stdev= 8.56, samples=632 iops : min= 1, max= 10, avg= 4.06, stdev= 2.18, samples=632 lat (msec) : 10=1.04%, 20=9.31%, 50=24.02%, 100=19.24%, 250=39.03% lat (msec) : 500=7.23%, 750=0.07%, 1000=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.24%, ctx=5561, 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=173938: Tue Jun 9 05:11:47 2026 read: IOPS=4, BW=18.4KiB/s (18.9kB/s)(6052KiB/328097msec) clat (msec): min=6, max=577, avg=46.40, stdev=42.86 lat (msec): min=6, max=577, avg=46.41, stdev=42.86 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 25], 40.00th=[ 30], 50.00th=[ 36], 60.00th=[ 42], | 70.00th=[ 52], 80.00th=[ 63], 90.00th=[ 88], 95.00th=[ 116], | 99.00th=[ 222], 99.50th=[ 264], 99.90th=[ 460], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 7, max= 80, per=30.57%, avg=22.01, stdev=14.18, samples=529 iops : min= 1, max= 20, avg= 4.86, stdev= 3.60, samples=529 write: IOPS=4, BW=19.0KiB/s (19.5kB/s)(6236KiB/328097msec); 0 zone resets clat (msec): min=37, max=1058, avg=165.07, stdev=81.33 lat (msec): min=37, max=1058, avg=165.08, stdev=81.33 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 75], 10.00th=[ 85], 20.00th=[ 104], | 30.00th=[ 118], 40.00th=[ 133], 50.00th=[ 146], 60.00th=[ 165], | 70.00th=[ 186], 80.00th=[ 215], 90.00th=[ 266], 95.00th=[ 317], | 99.00th=[ 447], 99.50th=[ 498], 99.90th=[ 776], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 7, max= 47, per=24.80%, avg=18.85, stdev= 8.50, samples=632 iops : min= 1, max= 11, avg= 4.07, stdev= 2.17, samples=632 lat (msec) : 10=1.33%, 20=8.82%, 50=23.96%, 100=20.54%, 250=38.54% lat (msec) : 500=6.58%, 750=0.16%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.26%, ctx=5650, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=72.7KiB/s (74.4kB/s), 17.0KiB/s-18.4KiB/s (18.4kB/s-18.9kB/s), io=23.4MiB (24.6MB), run=328097-330512msec WRITE: bw=76.1KiB/s (77.9kB/s), 18.0KiB/s-19.2KiB/s (19.4kB/s-19.7kB/s), io=24.6MiB (25.7MB), run=328097-330512msec 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=174005: Tue Jun 9 05:12:29 2026 read: IOPS=11, BW=189KiB/s (194kB/s)(5920KiB/31313msec) clat (usec): min=36, max=225719, avg=44659.72, stdev=35451.61 lat (usec): min=37, max=225721, avg=44660.99, stdev=35451.61 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 9634], | 30.00th=[ 27395], 40.00th=[ 34866], 50.00th=[ 40109], 60.00th=[ 49546], | 70.00th=[ 56886], 80.00th=[ 66847], 90.00th=[ 89654], 95.00th=[110625], | 99.00th=[162530], 99.50th=[179307], 99.90th=[225444], 99.95th=[225444], | 99.99th=[225444] bw ( KiB/s): min= 61, max= 411, per=26.14%, avg=189.02, stdev=76.24, samples=61 iops : min= 3, max= 25, avg=11.08, stdev= 4.82, samples=61 write: IOPS=12, BW=203KiB/s (208kB/s)(6368KiB/31313msec); 0 zone resets clat (usec): min=1507, max=275176, avg=36857.71, stdev=39445.58 lat (usec): min=1509, max=275178, avg=36861.04, stdev=39444.66 clat percentiles (usec): | 1.00th=[ 1614], 5.00th=[ 1860], 10.00th=[ 2343], 20.00th=[ 4555], | 30.00th=[ 8586], 40.00th=[ 13173], 50.00th=[ 22152], 60.00th=[ 34866], | 70.00th=[ 48497], 80.00th=[ 67634], 90.00th=[ 88605], 95.00th=[119014], | 99.00th=[162530], 99.50th=[168821], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 31, max= 569, per=26.77%, avg=203.69, stdev=89.13, samples=61 iops : min= 1, max= 35, avg=12.02, stdev= 5.64, samples=61 lat (usec) : 50=0.78%, 100=7.42%, 250=0.52%, 500=0.26%, 750=0.26% lat (msec) : 2=4.43%, 4=4.56%, 10=8.85%, 20=8.72%, 50=30.86% lat (msec) : 100=25.65%, 250=7.55%, 500=0.13% cpu : usr=0.07%, sys=5.91%, ctx=1432, 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=174006: Tue Jun 9 05:12:29 2026 read: IOPS=11, BW=176KiB/s (180kB/s)(5744KiB/32609msec) clat (usec): min=37, max=200077, avg=45111.31, stdev=32024.60 lat (usec): min=38, max=200079, avg=45112.52, stdev=32024.61 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 57], 10.00th=[ 68], 20.00th=[ 20841], | 30.00th=[ 28967], 40.00th=[ 35914], 50.00th=[ 42730], 60.00th=[ 50594], | 70.00th=[ 57934], 80.00th=[ 68682], 90.00th=[ 89654], 95.00th=[103285], | 99.00th=[131597], 99.50th=[135267], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 31, max= 375, per=24.27%, avg=175.48, stdev=69.92, samples=64 iops : min= 1, max= 23, avg=10.23, stdev= 4.45, samples=64 write: IOPS=12, BW=201KiB/s (205kB/s)(6544KiB/32609msec); 0 zone resets clat (usec): min=1543, max=257324, avg=39541.48, stdev=43592.58 lat (usec): min=1545, max=257327, avg=39583.78, stdev=43605.39 clat percentiles (usec): | 1.00th=[ 1631], 5.00th=[ 1811], 10.00th=[ 2573], 20.00th=[ 6456], | 30.00th=[ 10421], 40.00th=[ 14353], 50.00th=[ 23200], 60.00th=[ 34866], | 70.00th=[ 46400], 80.00th=[ 70779], 90.00th=[ 94897], 95.00th=[126354], | 99.00th=[191890], 99.50th=[233833], 99.90th=[256902], 99.95th=[256902], | 99.99th=[256902] bw ( KiB/s): min= 60, max= 380, per=26.30%, avg=200.16, stdev=81.00, samples=64 iops : min= 3, max= 23, avg=11.78, stdev= 5.10, samples=64 lat (usec) : 50=0.39%, 100=7.03%, 250=0.52% lat (msec) : 2=3.91%, 4=2.86%, 10=8.46%, 20=10.81%, 50=31.77% lat (msec) : 100=26.95%, 250=7.03%, 500=0.26% cpu : usr=0.07%, sys=5.23%, ctx=1457, 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=174007: Tue Jun 9 05:12:29 2026 read: IOPS=11, BW=189KiB/s (193kB/s)(6256KiB/33107msec) clat (usec): min=38, max=256268, avg=46095.38, stdev=36915.46 lat (usec): min=38, max=256270, avg=46118.79, stdev=36910.35 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 65], 20.00th=[ 15664], | 30.00th=[ 28705], 40.00th=[ 35390], 50.00th=[ 42206], 60.00th=[ 49021], | 70.00th=[ 58459], 80.00th=[ 69731], 90.00th=[ 89654], 95.00th=[117965], | 99.00th=[158335], 99.50th=[217056], 99.90th=[256902], 99.95th=[256902], | 99.99th=[256902] bw ( KiB/s): min= 62, max= 350, per=26.60%, avg=192.30, stdev=71.42, samples=64 iops : min= 3, max= 21, avg=11.30, stdev= 4.51, samples=64 write: IOPS=11, BW=182KiB/s (187kB/s)(6032KiB/33107msec); 0 zone resets clat (usec): min=1545, max=275456, avg=39801.52, stdev=41726.59 lat (usec): min=1547, max=275457, avg=39804.12, stdev=41726.76 clat percentiles (usec): | 1.00th=[ 1565], 5.00th=[ 1827], 10.00th=[ 2769], 20.00th=[ 6456], | 30.00th=[ 10421], 40.00th=[ 16450], 50.00th=[ 27395], 60.00th=[ 39060], | 70.00th=[ 49021], 80.00th=[ 68682], 90.00th=[ 98042], 95.00th=[117965], | 99.00th=[183501], 99.50th=[252707], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 31, max= 396, per=23.68%, avg=180.18, stdev=84.81, samples=65 iops : min= 1, max= 24, avg=10.52, stdev= 5.37, samples=65 lat (usec) : 50=0.78%, 100=7.55%, 250=0.26%, 500=0.52%, 750=0.26% lat (msec) : 2=3.91%, 4=2.73%, 10=7.94%, 20=8.98%, 50=33.20% lat (msec) : 100=25.65%, 250=7.81%, 500=0.39% cpu : usr=0.08%, sys=5.42%, ctx=1441, 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=174008: Tue Jun 9 05:12:29 2026 read: IOPS=11, BW=189KiB/s (194kB/s)(6032KiB/31872msec) clat (usec): min=29, max=302411, avg=44127.64, stdev=39752.99 lat (usec): min=30, max=302412, avg=44128.85, stdev=39752.97 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 83], | 30.00th=[ 23987], 40.00th=[ 34866], 50.00th=[ 41681], 60.00th=[ 49021], | 70.00th=[ 57934], 80.00th=[ 68682], 90.00th=[ 87557], 95.00th=[107480], | 99.00th=[166724], 99.50th=[295699], 99.90th=[304088], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 55, max= 406, per=26.05%, avg=188.37, stdev=80.45, samples=62 iops : min= 3, max= 25, avg=11.05, stdev= 5.09, samples=62 write: IOPS=12, BW=196KiB/s (201kB/s)(6256KiB/31872msec); 0 zone resets clat (usec): min=1459, max=349588, avg=38107.43, stdev=42800.63 lat (usec): min=1462, max=349589, avg=38115.49, stdev=42806.25 clat percentiles (usec): | 1.00th=[ 1631], 5.00th=[ 1876], 10.00th=[ 2573], 20.00th=[ 5735], | 30.00th=[ 8455], 40.00th=[ 13698], 50.00th=[ 23462], 60.00th=[ 34341], | 70.00th=[ 48497], 80.00th=[ 68682], 90.00th=[ 91751], 95.00th=[108528], | 99.00th=[225444], 99.50th=[250610], 99.90th=[350225], 99.95th=[350225], | 99.99th=[350225] bw ( KiB/s): min= 30, max= 380, per=25.81%, avg=196.40, stdev=88.08, samples=62 iops : min= 1, max= 23, avg=11.55, stdev= 5.56, samples=62 lat (usec) : 50=1.43%, 100=9.11%, 250=0.26%, 500=0.13%, 750=0.39% lat (msec) : 2=3.91%, 4=4.17%, 10=9.11%, 20=8.98%, 50=28.65% lat (msec) : 100=26.30%, 250=7.03%, 500=0.52% cpu : usr=0.08%, sys=5.11%, ctx=1433, 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=723KiB/s (741kB/s), 176KiB/s-189KiB/s (180kB/s-194kB/s), io=23.4MiB (24.5MB), run=31313-33107msec WRITE: bw=761KiB/s (779kB/s), 182KiB/s-203KiB/s (187kB/s-208kB/s), io=24.6MiB (25.8MB), run=31313-33107msec rand-rw: (groupid=0, jobs=1): err= 0: pid=174009: Tue Jun 9 05:13:19 2026 read: IOPS=4, BW=73.6KiB/s (75.3kB/s)(5920KiB/80453msec) clat (msec): min=7, max=281, avg=46.56, stdev=41.97 lat (msec): min=7, max=281, avg=46.56, stdev=41.97 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 17], 20.00th=[ 23], | 30.00th=[ 27], 40.00th=[ 31], 50.00th=[ 36], 60.00th=[ 41], | 70.00th=[ 46], 80.00th=[ 56], 90.00th=[ 81], 95.00th=[ 132], | 99.00th=[ 245], 99.50th=[ 279], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 30, max= 253, per=28.14%, avg=81.62, stdev=49.30, samples=142 iops : min= 1, max= 15, avg= 4.31, stdev= 3.11, samples=142 write: IOPS=4, BW=79.2KiB/s (81.1kB/s)(6368KiB/80453msec); 0 zone resets clat (msec): min=44, max=476, avg=158.58, stdev=69.82 lat (msec): min=44, max=476, avg=158.58, stdev=69.82 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 80], 10.00th=[ 88], 20.00th=[ 104], | 30.00th=[ 114], 40.00th=[ 126], 50.00th=[ 140], 60.00th=[ 157], | 70.00th=[ 182], 80.00th=[ 213], 90.00th=[ 255], 95.00th=[ 296], | 99.00th=[ 401], 99.50th=[ 414], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 28, max= 160, per=26.32%, avg=80.28, stdev=34.13, samples=156 iops : min= 1, max= 10, avg= 4.22, stdev= 2.22, samples=156 lat (msec) : 10=0.39%, 20=7.29%, 50=28.52%, 100=17.71%, 250=40.10% lat (msec) : 500=5.99% cpu : usr=0.03%, sys=1.41%, ctx=1405, 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=174010: Tue Jun 9 05:13:19 2026 read: IOPS=4, BW=69.6KiB/s (71.3kB/s)(5744KiB/82502msec) clat (msec): min=7, max=428, avg=49.24, stdev=47.18 lat (msec): min=7, max=428, avg=49.25, stdev=47.18 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 21], | 30.00th=[ 26], 40.00th=[ 31], 50.00th=[ 36], 60.00th=[ 41], | 70.00th=[ 52], 80.00th=[ 63], 90.00th=[ 94], 95.00th=[ 144], | 99.00th=[ 251], 99.50th=[ 305], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 28, max= 256, per=29.36%, avg=85.14, stdev=52.68, samples=132 iops : min= 1, max= 16, avg= 4.55, stdev= 3.38, samples=132 write: IOPS=4, BW=79.3KiB/s (81.2kB/s)(6544KiB/82502msec); 0 zone resets clat (msec): min=49, max=528, avg=157.99, stdev=73.85 lat (msec): min=49, max=528, avg=158.00, stdev=73.85 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 75], 10.00th=[ 88], 20.00th=[ 102], | 30.00th=[ 115], 40.00th=[ 128], 50.00th=[ 140], 60.00th=[ 153], | 70.00th=[ 174], 80.00th=[ 207], 90.00th=[ 259], 95.00th=[ 309], | 99.00th=[ 409], 99.50th=[ 422], 99.90th=[ 527], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 28, max= 192, per=26.82%, avg=81.80, stdev=35.26, samples=157 iops : min= 1, max= 12, avg= 4.34, stdev= 2.29, samples=157 lat (msec) : 10=0.13%, 20=8.33%, 50=24.09%, 100=19.92%, 250=41.15% lat (msec) : 500=6.25%, 750=0.13% cpu : usr=0.03%, sys=1.41%, ctx=1469, 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=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=174011: Tue Jun 9 05:13:19 2026 read: IOPS=4, BW=78.6KiB/s (80.4kB/s)(6256KiB/79631msec) clat (msec): min=6, max=375, avg=45.27, stdev=43.37 lat (msec): min=6, max=375, avg=45.27, stdev=43.37 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 21], | 30.00th=[ 26], 40.00th=[ 29], 50.00th=[ 34], 60.00th=[ 39], | 70.00th=[ 45], 80.00th=[ 56], 90.00th=[ 80], 95.00th=[ 148], | 99.00th=[ 226], 99.50th=[ 292], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 30, max= 285, per=31.06%, avg=90.07, stdev=59.45, samples=137 iops : min= 1, max= 17, avg= 4.85, stdev= 3.73, samples=137 write: IOPS=4, BW=75.7KiB/s (77.6kB/s)(6032KiB/79631msec); 0 zone resets clat (msec): min=50, max=599, avg=163.61, stdev=75.80 lat (msec): min=50, max=599, avg=163.61, stdev=75.80 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 80], 10.00th=[ 92], 20.00th=[ 108], | 30.00th=[ 121], 40.00th=[ 133], 50.00th=[ 144], 60.00th=[ 157], | 70.00th=[ 176], 80.00th=[ 211], 90.00th=[ 271], 95.00th=[ 326], | 99.00th=[ 426], 99.50th=[ 489], 99.90th=[ 600], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 28, max= 160, per=25.79%, avg=78.65, stdev=32.47, samples=150 iops : min= 1, max= 10, avg= 4.13, stdev= 2.13, samples=150 lat (msec) : 10=0.13%, 20=9.64%, 50=28.91%, 100=15.49%, 250=39.58% lat (msec) : 500=6.12%, 750=0.13% cpu : usr=0.04%, sys=1.35%, ctx=1450, 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=174012: Tue Jun 9 05:13:19 2026 read: IOPS=4, BW=74.3KiB/s (76.1kB/s)(6032KiB/81138msec) clat (msec): min=9, max=466, avg=45.36, stdev=44.74 lat (msec): min=9, max=466, avg=45.37, stdev=44.74 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 17], 20.00th=[ 21], | 30.00th=[ 25], 40.00th=[ 30], 50.00th=[ 35], 60.00th=[ 41], | 70.00th=[ 47], 80.00th=[ 57], 90.00th=[ 79], 95.00th=[ 112], | 99.00th=[ 247], 99.50th=[ 393], 99.90th=[ 468], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 29, max= 318, per=30.77%, avg=89.23, stdev=59.05, samples=132 iops : min= 1, max= 19, avg= 4.79, stdev= 3.76, samples=132 write: IOPS=4, BW=77.1KiB/s (78.0kB/s)(6256KiB/81138msec); 0 zone resets clat (msec): min=50, max=555, avg=162.83, stdev=75.37 lat (msec): min=50, max=555, avg=162.84, stdev=75.36 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 81], 10.00th=[ 91], 20.00th=[ 105], | 30.00th=[ 117], 40.00th=[ 130], 50.00th=[ 146], 60.00th=[ 159], | 70.00th=[ 176], 80.00th=[ 209], 90.00th=[ 268], 95.00th=[ 305], | 99.00th=[ 451], 99.50th=[ 498], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 28, max= 191, per=25.78%, avg=78.64, stdev=33.51, samples=156 iops : min= 1, max= 11, avg= 4.12, stdev= 2.17, samples=156 lat (msec) : 10=0.26%, 20=8.59%, 50=27.73%, 100=18.10%, 250=37.89% lat (msec) : 500=7.29%, 750=0.13% cpu : usr=0.04%, sys=1.23%, ctx=1385, 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=290KiB/s (297kB/s), 69.6KiB/s-78.6KiB/s (71.3kB/s-80.4kB/s), io=23.4MiB (24.5MB), run=79631-82502msec WRITE: bw=305KiB/s (313kB/s), 75.7KiB/s-79.3KiB/s (77.6kB/s-81.2kB/s), io=24.6MiB (25.8MB), run=79631-82502msec 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=174037: Tue Jun 9 05:13:35 2026 read: IOPS=1, BW=1355KiB/s (1388kB/s)(7168KiB/5289msec) clat (msec): min=174, max=360, avg=246.07, stdev=59.25 lat (msec): min=174, max=360, avg=246.07, stdev=59.25 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 201], | 30.00th=[ 228], 40.00th=[ 228], 50.00th=[ 247], 60.00th=[ 253], | 70.00th=[ 253], 80.00th=[ 264], 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= 1424, max= 4087, per=74.12%, avg=2869.75, stdev=1351.04, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=0, BW=968KiB/s (991kB/s)(5120KiB/5289msec); 0 zone resets clat (msec): min=232, max=1049, avg=652.35, stdev=351.45 lat (msec): min=232, max=1049, avg=652.46, stdev=351.42 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 232], | 30.00th=[ 426], 40.00th=[ 426], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 978], 80.00th=[ 978], 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= 1988, max= 2048, per=37.38%, avg=2026.60, stdev=25.03, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 lat (msec) : 250=41.67%, 500=33.33%, 750=8.33%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=7.68%, ctx=188, 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=174038: Tue Jun 9 05:13:35 2026 read: IOPS=0, BW=415KiB/s (425kB/s)(2048KiB/4935msec) clat (msec): min=2, max=172, avg=87.73, stdev=120.50 lat (msec): min=2, max=173, avg=87.87, stdev=120.70 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 3], 40.00th=[ 3], 50.00th=[ 3], 60.00th=[ 174], | 70.00th=[ 174], 80.00th=[ 174], 90.00th=[ 174], 95.00th=[ 174], | 99.00th=[ 174], 99.50th=[ 174], 99.90th=[ 174], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 1370, max= 1988, per=43.36%, avg=1679.00, stdev=436.99, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2075KiB/s (2125kB/s)(10.0MiB/4935msec); 0 zone resets clat (msec): min=248, max=852, avg=467.32, stdev=180.72 lat (msec): min=248, max=852, avg=467.42, stdev=180.73 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 249], 10.00th=[ 249], 20.00th=[ 266], | 30.00th=[ 351], 40.00th=[ 397], 50.00th=[ 418], 60.00th=[ 472], | 70.00th=[ 510], 80.00th=[ 518], 90.00th=[ 642], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 1370, max= 3976, per=40.31%, avg=2185.38, stdev=759.21, samples=8 iops : min= 1, max= 3, avg= 1.38, stdev= 0.74, samples=8 lat (msec) : 4=8.33%, 250=16.67%, 500=41.67%, 750=25.00%, 1000=8.33% cpu : usr=0.00%, sys=9.65%, ctx=130, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=174039: Tue Jun 9 05:13:35 2026 read: IOPS=1, BW=1379KiB/s (1412kB/s)(6144KiB/4457msec) clat (usec): min=495, max=277480, avg=113441.51, stdev=126819.94 lat (usec): min=497, max=277480, avg=113442.97, stdev=126819.76 clat percentiles (usec): | 1.00th=[ 494], 5.00th=[ 494], 10.00th=[ 494], 20.00th=[ 545], | 30.00th=[ 545], 40.00th=[ 553], 50.00th=[ 553], 60.00th=[200279], | 70.00th=[202376], 80.00th=[202376], 90.00th=[278922], 95.00th=[278922], | 99.00th=[278922], 99.50th=[278922], 99.90th=[278922], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 1976, max= 4087, per=65.17%, avg=2523.50, stdev=1042.74, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1379KiB/s (1412kB/s)(6144KiB/4457msec); 0 zone resets clat (msec): min=152, max=1114, avg=582.55, stdev=370.82 lat (msec): min=152, max=1114, avg=582.67, stdev=370.82 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 153], 10.00th=[ 153], 20.00th=[ 194], | 30.00th=[ 194], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 642], | 70.00th=[ 835], 80.00th=[ 835], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 1442, max= 2043, per=35.00%, avg=1897.60, stdev=256.43, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (usec) : 500=8.33%, 750=16.67% lat (msec) : 250=33.33%, 500=8.33%, 750=16.67%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=9.09%, ctx=139, 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=174040: Tue Jun 9 05:13:35 2026 read: IOPS=1, BW=1046KiB/s (1071kB/s)(5120KiB/4894msec) clat (usec): min=412, max=503413, avg=195569.42, stdev=211684.51 lat (usec): min=412, max=503414, avg=195570.35, stdev=211684.58 clat percentiles (usec): | 1.00th=[ 412], 5.00th=[ 412], 10.00th=[ 412], 20.00th=[ 412], | 30.00th=[ 523], 40.00th=[ 523], 50.00th=[187696], 60.00th=[187696], | 70.00th=[287310], 80.00th=[287310], 90.00th=[505414], 95.00th=[505414], | 99.00th=[505414], 99.50th=[505414], 99.90th=[505414], 99.95th=[505414], | 99.99th=[505414] bw ( KiB/s): min= 7953, max= 7953, per=100.00%, avg=7953.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1465KiB/s (1500kB/s)(7168KiB/4894msec); 0 zone resets clat (msec): min=196, max=821, avg=517.98, stdev=207.04 lat (msec): min=196, max=821, avg=518.05, stdev=207.04 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 197], 10.00th=[ 197], 20.00th=[ 376], | 30.00th=[ 468], 40.00th=[ 468], 50.00th=[ 485], 60.00th=[ 575], | 70.00th=[ 575], 80.00th=[ 701], 90.00th=[ 818], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 1412, max= 4079, per=41.48%, avg=2248.50, stdev=927.43, samples=6 iops : min= 1, max= 3, avg= 1.50, stdev= 0.84, samples=6 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 250=16.67%, 500=33.33%, 750=25.00%, 1000=8.33% cpu : usr=0.02%, sys=9.34%, ctx=137, 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=3872KiB/s (3965kB/s), 415KiB/s-1379KiB/s (425kB/s-1412kB/s), io=20.0MiB (20.0MB), run=4457-5289msec WRITE: bw=5421KiB/s (5551kB/s), 968KiB/s-2075KiB/s (991kB/s-2125kB/s), io=28.0MiB (29.4MB), run=4457-5289msec rand-rw: (groupid=0, jobs=1): err= 0: pid=174033: Tue Jun 9 05:13:35 2026 read: IOPS=1, BW=1252KiB/s (1282kB/s)(7168KiB/5727msec) clat (msec): min=108, max=1006, avg=333.18, stdev=314.79 lat (msec): min=108, max=1006, avg=333.18, stdev=314.79 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 109], 10.00th=[ 109], 20.00th=[ 121], | 30.00th=[ 129], 40.00th=[ 129], 50.00th=[ 288], 60.00th=[ 313], | 70.00th=[ 313], 80.00th=[ 372], 90.00th=[ 1003], 95.00th=[ 1003], | 99.00th=[ 1003], 99.50th=[ 1003], 99.90th=[ 1003], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 2011, max= 4087, per=77.86%, avg=2767.75, stdev=980.86, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 write: IOPS=0, BW=894KiB/s (915kB/s)(5120KiB/5727msec); 0 zone resets clat (msec): min=381, max=1065, avg=626.63, stdev=282.08 lat (msec): min=382, max=1065, avg=626.90, stdev=282.16 clat percentiles (msec): | 1.00th=[ 384], 5.00th=[ 384], 10.00th=[ 384], 20.00th=[ 384], | 30.00th=[ 443], 40.00th=[ 443], 50.00th=[ 493], 60.00th=[ 493], | 70.00th=[ 751], 80.00th=[ 751], 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= 1809, max= 2043, per=39.54%, avg=1967.75, stdev=108.44, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (msec) : 250=25.00%, 500=50.00%, 750=8.33%, 2000=16.67% cpu : usr=0.00%, sys=3.04%, 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=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=174034: Tue Jun 9 05:13:35 2026 read: IOPS=0, BW=356KiB/s (364kB/s)(2048KiB/5760msec) clat (msec): min=99, max=152, avg=125.73, stdev=37.21 lat (msec): min=99, max=152, avg=125.73, stdev=37.21 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 100], 10.00th=[ 100], 20.00th=[ 100], | 30.00th=[ 100], 40.00th=[ 100], 50.00th=[ 100], 60.00th=[ 153], | 70.00th=[ 153], 80.00th=[ 153], 90.00th=[ 153], 95.00th=[ 153], | 99.00th=[ 153], 99.50th=[ 153], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 1464, max= 2043, per=49.32%, avg=1753.50, stdev=409.41, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1778KiB/s (1820kB/s)(10.0MiB/5760msec); 0 zone resets clat (msec): min=310, max=741, avg=519.77, stdev=141.86 lat (msec): min=310, max=741, avg=520.02, stdev=141.82 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 347], | 30.00th=[ 422], 40.00th=[ 460], 50.00th=[ 481], 60.00th=[ 558], | 70.00th=[ 567], 80.00th=[ 625], 90.00th=[ 693], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 1809, max= 2043, per=40.18%, avg=1999.88, stdev=79.48, samples=8 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=8 lat (msec) : 100=8.33%, 250=8.33%, 500=41.67%, 750=41.67% cpu : usr=0.03%, sys=4.67%, ctx=153, 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=174035: Tue Jun 9 05:13:35 2026 read: IOPS=1, BW=1108KiB/s (1135kB/s)(6144KiB/5545msec) clat (msec): min=116, max=699, avg=317.56, stdev=258.96 lat (msec): min=116, max=699, avg=317.56, stdev=258.96 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 126], | 30.00th=[ 126], 40.00th=[ 127], 50.00th=[ 127], 60.00th=[ 253], | 70.00th=[ 584], 80.00th=[ 584], 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= 2031, max= 4087, per=95.69%, avg=3401.67, stdev=1187.03, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1108KiB/s (1135kB/s)(6144KiB/5545msec); 0 zone resets clat (msec): min=171, max=1117, avg=571.10, stdev=398.65 lat (msec): min=171, max=1117, avg=571.18, stdev=398.65 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 194], | 30.00th=[ 194], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 575], | 70.00th=[ 978], 80.00th=[ 978], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 1440, max= 2043, per=38.84%, avg=1933.17, stdev=241.88, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 250=41.67%, 500=16.67%, 750=25.00%, 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=2.71%, ctx=69, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=174036: Tue Jun 9 05:13:35 2026 read: IOPS=0, BW=993KiB/s (1017kB/s)(5120KiB/5157msec) clat (msec): min=166, max=985, avg=407.15, stdev=333.14 lat (msec): min=166, max=985, avg=407.15, stdev=333.14 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 167], 10.00th=[ 167], 20.00th=[ 167], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 326], 60.00th=[ 326], | 70.00th=[ 359], 80.00th=[ 359], 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= 2043, max= 3618, per=72.24%, avg=2568.00, stdev=909.33, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1390KiB/s (1423kB/s)(7168KiB/5157msec); 0 zone resets clat (msec): min=209, max=759, avg=434.09, stdev=211.66 lat (msec): min=209, max=761, avg=434.81, stdev=212.45 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 209], 10.00th=[ 209], 20.00th=[ 218], | 30.00th=[ 247], 40.00th=[ 247], 50.00th=[ 531], 60.00th=[ 542], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 1809, max= 3056, per=43.33%, avg=2156.33, stdev=449.01, samples=6 iops : min= 1, max= 2, avg= 1.17, stdev= 0.41, samples=6 lat (msec) : 250=41.67%, 500=16.67%, 750=25.00%, 1000=16.67% cpu : usr=0.00%, sys=2.91%, ctx=74, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3556KiB/s (3641kB/s), 356KiB/s-1252KiB/s (364kB/s-1282kB/s), io=20.0MiB (20.0MB), run=5157-5760msec WRITE: bw=4978KiB/s (5097kB/s), 894KiB/s-1778KiB/s (915kB/s-1820kB/s), io=28.0MiB (29.4MB), run=5157-5760msec 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=174049: Tue Jun 9 05:13:55 2026 read: IOPS=1, BW=4907KiB/s (5025kB/s)(12.0MiB/2504msec) clat (msec): min=585, max=1020, avg=775.81, stdev=222.48 lat (msec): min=585, max=1020, avg=775.81, stdev=222.48 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 584], 10.00th=[ 584], 20.00th=[ 584], | 30.00th=[ 584], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 726], | 70.00th=[ 1020], 80.00th=[ 1020], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 7627, max= 8062, per=100.00%, avg=7844.50, stdev=307.59, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.04%, sys=3.28%, ctx=57, 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=174050: Tue Jun 9 05:13:55 2026 read: IOPS=0, BW=1140KiB/s (1167kB/s)(4096KiB/3594msec) clat (nsec): min=392195k, max=392195k, avg=392194616.00, stdev= 0.00 lat (nsec): min=392199k, max=392199k, avg=392198890.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] 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=2279KiB/s (2334kB/s)(8192KiB/3594msec); 0 zone resets clat (msec): min=1348, max=1698, avg=1523.43, stdev=247.54 lat (msec): min=1348, max=1699, avg=1524.00, stdev=247.75 clat percentiles (msec): | 1.00th=[ 1351], 5.00th=[ 1351], 10.00th=[ 1351], 20.00th=[ 1351], | 30.00th=[ 1351], 40.00th=[ 1351], 50.00th=[ 1351], 60.00th=[ 1703], | 70.00th=[ 1703], 80.00th=[ 1703], 90.00th=[ 1703], 95.00th=[ 1703], | 99.00th=[ 1703], 99.50th=[ 1703], 99.90th=[ 1703], 99.95th=[ 1703], | 99.99th=[ 1703] bw ( KiB/s): min= 7433, max= 7433, per=100.00%, avg=7433.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=4.54%, ctx=57, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=174051: Tue Jun 9 05:13:55 2026 write: IOPS=0, BW=2489KiB/s (2549kB/s)(12.0MiB/4937msec); 0 zone resets clat (msec): min=427, max=3205, avg=1594.30, stdev=1440.98 lat (msec): min=429, max=3205, avg=1595.11, stdev=1440.54 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 1150], 50.00th=[ 1150], 60.00th=[ 1150], | 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= 8159, max= 8192, per=100.00%, avg=8175.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.55%, ctx=58, 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=174052: Tue Jun 9 05:13:55 2026 write: IOPS=1, BW=4485KiB/s (4592kB/s)(12.0MiB/2740msec); 0 zone resets clat (msec): min=474, max=1488, avg=862.28, stdev=547.39 lat (msec): min=477, max=1489, avg=863.55, stdev=546.76 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 625], 50.00th=[ 625], 60.00th=[ 625], | 70.00th=[ 1485], 80.00th=[ 1485], 90.00th=[ 1485], 95.00th=[ 1485], | 99.00th=[ 1485], 99.50th=[ 1485], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 8031, max= 8126, per=100.00%, avg=8078.50, stdev=67.18, 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=4.38%, ctx=65, 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=4559KiB/s (4668kB/s), 1140KiB/s-4907KiB/s (1167kB/s-5025kB/s), io=16.0MiB (16.8MB), run=2504-3594msec WRITE: bw=6637KiB/s (6797kB/s), 2279KiB/s-4485KiB/s (2334kB/s-4592kB/s), io=32.0MiB (33.6MB), run=2740-4937msec rand-rw: (groupid=0, jobs=1): err= 0: pid=174053: Tue Jun 9 05:13:55 2026 read: IOPS=0, BW=3429KiB/s (3511kB/s)(12.0MiB/3584msec) clat (msec): min=832, max=1347, avg=1137.56, stdev=270.48 lat (msec): min=832, max=1347, avg=1137.56, stdev=270.48 clat percentiles (msec): | 1.00th=[ 835], 5.00th=[ 835], 10.00th=[ 835], 20.00th=[ 835], | 30.00th=[ 835], 40.00th=[ 1234], 50.00th=[ 1234], 60.00th=[ 1234], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 8031, max= 8110, per=100.00%, avg=8070.50, stdev=55.86, 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=8.62%, ctx=302, 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=174054: Tue Jun 9 05:13:55 2026 read: IOPS=0, BW=1089KiB/s (1116kB/s)(4096KiB/3760msec) clat (nsec): min=1368.4M, max=1368.4M, avg=1368351846.00, stdev= 0.00 lat (nsec): min=1368.4M, max=1368.4M, avg=1368355391.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1368], 5.00th=[ 1368], 10.00th=[ 1368], 20.00th=[ 1368], | 30.00th=[ 1368], 40.00th=[ 1368], 50.00th=[ 1368], 60.00th=[ 1368], | 70.00th=[ 1368], 80.00th=[ 1368], 90.00th=[ 1368], 95.00th=[ 1368], | 99.00th=[ 1368], 99.50th=[ 1368], 99.90th=[ 1368], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 8031, max= 8031, per=100.00%, avg=8031.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2179KiB/s (2231kB/s)(8192KiB/3760msec); 0 zone resets clat (msec): min=1150, max=1164, avg=1157.48, stdev=10.30 lat (msec): min=1150, max=1165, avg=1157.83, stdev=10.39 clat percentiles (msec): | 1.00th=[ 1150], 5.00th=[ 1150], 10.00th=[ 1150], 20.00th=[ 1150], | 30.00th=[ 1150], 40.00th=[ 1150], 50.00th=[ 1150], 60.00th=[ 1167], | 70.00th=[ 1167], 80.00th=[ 1167], 90.00th=[ 1167], 95.00th=[ 1167], | 99.00th=[ 1167], 99.50th=[ 1167], 99.90th=[ 1167], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 2000=100.00% cpu : usr=0.00%, sys=3.27%, ctx=144, 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=174055: Tue Jun 9 05:13:55 2026 write: IOPS=0, BW=2513KiB/s (2574kB/s)(12.0MiB/4889msec); 0 zone resets clat (msec): min=270, max=3168, avg=1518.32, stdev=1490.11 lat (msec): min=271, max=3168, avg=1519.99, stdev=1489.56 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 271], | 30.00th=[ 271], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 3171], 80.00th=[ 3171], 90.00th=[ 3171], 95.00th=[ 3171], | 99.00th=[ 3171], 99.50th=[ 3171], 99.90th=[ 3171], 99.95th=[ 3171], | 99.99th=[ 3171] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, 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=0.10%, sys=2.56%, 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=174056: Tue Jun 9 05:13:55 2026 write: IOPS=0, BW=3118KiB/s (3193kB/s)(12.0MiB/3941msec); 0 zone resets clat (msec): min=707, max=2012, avg=1284.29, stdev=665.70 lat (msec): min=708, max=2014, avg=1285.00, stdev=666.31 clat percentiles (msec): | 1.00th=[ 709], 5.00th=[ 709], 10.00th=[ 709], 20.00th=[ 709], | 30.00th=[ 709], 40.00th=[ 1133], 50.00th=[ 1133], 60.00th=[ 1133], | 70.00th=[ 2005], 80.00th=[ 2005], 90.00th=[ 2005], 95.00th=[ 2005], | 99.00th=[ 2005], 99.50th=[ 2005], 99.90th=[ 2005], 99.95th=[ 2005], | 99.99th=[ 2005] bw ( KiB/s): min= 7876, max= 8159, per=100.00%, avg=8017.50, stdev=200.11, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.41%, ctx=42, 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=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=4357KiB/s (4462kB/s), 1089KiB/s-3429KiB/s (1116kB/s-3511kB/s), io=16.0MiB (16.8MB), run=3584-3760msec WRITE: bw=6702KiB/s (6863kB/s), 2179KiB/s-3118KiB/s (2231kB/s-3193kB/s), io=32.0MiB (33.6MB), run=3760-4889msec