== sanity test 398b: DIO and buffer IO race ============== 12:33:33 (1782232413) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.92963 s, 12.8 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145128: Tue Jun 23 12:35:19 2026 read: IOPS=16, BW=65.3KiB/s (66.9kB/s)(5992KiB/91700msec) clat (usec): min=36, max=410785, avg=29561.94, stdev=24863.40 lat (usec): min=36, max=410787, avg=29563.31, stdev=24863.36 clat percentiles (usec): | 1.00th=[ 54], 5.00th=[ 81], 10.00th=[ 2376], 20.00th=[ 14222], | 30.00th=[ 17433], 40.00th=[ 20579], 50.00th=[ 23987], 60.00th=[ 28967], | 70.00th=[ 35914], 80.00th=[ 43254], 90.00th=[ 55837], 95.00th=[ 68682], | 99.00th=[ 96994], 99.50th=[135267], 99.90th=[258999], 99.95th=[408945], | 99.99th=[408945] bw ( KiB/s): min= 7, max= 167, per=25.00%, avg=64.74, stdev=24.95, samples=181 iops : min= 1, max= 41, avg=15.60, stdev= 6.27, samples=181 write: IOPS=17, BW=68.7KiB/s (70.3kB/s)(6296KiB/91700msec); 0 zone resets clat (usec): min=1182, max=234440, avg=30029.58, stdev=29206.47 lat (usec): min=1182, max=234441, avg=30032.89, stdev=29207.24 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1762], 10.00th=[ 2507], 20.00th=[ 4621], | 30.00th=[ 8979], 40.00th=[ 16319], 50.00th=[ 23987], 60.00th=[ 30540], | 70.00th=[ 38011], 80.00th=[ 47973], 90.00th=[ 67634], 95.00th=[ 84411], | 99.00th=[131597], 99.50th=[158335], 99.90th=[214959], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 8, max= 151, per=25.14%, avg=68.14, stdev=25.96, samples=181 iops : min= 2, max= 37, avg=16.45, stdev= 6.49, samples=181 lat (usec) : 50=0.16%, 100=2.86%, 250=1.46%, 500=0.13%, 750=0.13% lat (usec) : 1000=0.03% lat (msec) : 2=3.61%, 4=5.34%, 10=7.94%, 20=20.18%, 50=41.60% lat (msec) : 100=14.62%, 250=1.86%, 500=0.07% cpu : usr=0.11%, sys=10.20%, ctx=7512, majf=0, minf=20 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=145129: Tue Jun 23 12:35:19 2026 read: IOPS=16, BW=64.5KiB/s (66.1kB/s)(5940KiB/92036msec) clat (usec): min=27, max=213820, avg=28843.77, stdev=21153.70 lat (usec): min=27, max=213822, avg=28853.93, stdev=21180.44 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 73], 10.00th=[ 4555], 20.00th=[ 14746], | 30.00th=[ 17957], 40.00th=[ 21103], 50.00th=[ 24773], 60.00th=[ 28967], | 70.00th=[ 34341], 80.00th=[ 42730], 90.00th=[ 54789], 95.00th=[ 64226], | 99.00th=[ 95945], 99.50th=[141558], 99.90th=[175113], 99.95th=[212861], | 99.99th=[212861] bw ( KiB/s): min= 5, max= 127, per=24.70%, avg=63.96, stdev=24.78, samples=182 iops : min= 1, max= 31, avg=15.40, stdev= 6.18, samples=182 write: IOPS=17, BW=68.0KiB/s (70.6kB/s)(6348KiB/92036msec); 0 zone resets clat (usec): min=1006, max=292680, avg=30911.76, stdev=30816.51 lat (usec): min=1008, max=292681, avg=30914.05, stdev=30816.45 clat percentiles (usec): | 1.00th=[ 1303], 5.00th=[ 1893], 10.00th=[ 2671], 20.00th=[ 4883], | 30.00th=[ 8717], 40.00th=[ 16909], 50.00th=[ 24249], 60.00th=[ 31327], | 70.00th=[ 40633], 80.00th=[ 51119], 90.00th=[ 69731], 95.00th=[ 82314], | 99.00th=[149947], 99.50th=[181404], 99.90th=[258999], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 22, max= 167, per=25.17%, avg=68.21, stdev=24.85, samples=182 iops : min= 5, max= 41, avg=16.47, stdev= 6.23, samples=182 lat (usec) : 50=0.29%, 100=3.29%, 250=0.91%, 500=0.07%, 750=0.10% lat (msec) : 2=2.93%, 4=5.83%, 10=8.40%, 20=18.62%, 50=42.32% lat (msec) : 100=15.53%, 250=1.63%, 500=0.10% cpu : usr=0.10%, sys=10.06%, ctx=7544, 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=145130: Tue Jun 23 12:35:19 2026 read: IOPS=16, BW=66.7KiB/s (68.3kB/s)(6028KiB/90322msec) clat (usec): min=36, max=249748, avg=27963.50, stdev=19439.03 lat (usec): min=36, max=249749, avg=27966.40, stdev=19438.79 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 80], 10.00th=[ 7635], 20.00th=[ 14484], | 30.00th=[ 17695], 40.00th=[ 21103], 50.00th=[ 23987], 60.00th=[ 28443], | 70.00th=[ 33817], 80.00th=[ 41157], 90.00th=[ 51119], 95.00th=[ 62653], | 99.00th=[ 84411], 99.50th=[104334], 99.90th=[132645], 99.95th=[250610], | 99.99th=[250610] bw ( KiB/s): min= 5, max= 143, per=25.75%, avg=66.70, stdev=24.80, samples=178 iops : min= 1, max= 35, avg=16.09, stdev= 6.22, samples=178 write: IOPS=17, BW=69.3KiB/s (70.0kB/s)(6260KiB/90322msec); 0 zone resets clat (usec): min=1020, max=277859, avg=30703.69, stdev=30583.61 lat (usec): min=1021, max=277861, avg=30708.55, stdev=30582.66 clat percentiles (usec): | 1.00th=[ 1336], 5.00th=[ 1876], 10.00th=[ 2704], 20.00th=[ 4686], | 30.00th=[ 8455], 40.00th=[ 16909], 50.00th=[ 24511], 60.00th=[ 31327], | 70.00th=[ 39060], 80.00th=[ 50070], 90.00th=[ 66847], 95.00th=[ 85459], | 99.00th=[137364], 99.50th=[168821], 99.90th=[274727], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 8, max= 135, per=25.39%, avg=68.81, stdev=22.45, samples=179 iops : min= 2, max= 33, avg=16.62, stdev= 5.59, samples=179 lat (usec) : 50=0.36%, 100=2.54%, 250=1.37%, 500=0.26%, 750=0.03% lat (usec) : 1000=0.13% lat (msec) : 2=3.09%, 4=5.47%, 10=8.85%, 20=18.00%, 50=44.34% lat (msec) : 100=13.80%, 250=1.66%, 500=0.10% cpu : usr=0.11%, sys=10.15%, ctx=7491, 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=145131: Tue Jun 23 12:35:19 2026 read: IOPS=16, BW=65.3KiB/s (66.9kB/s)(6052KiB/92647msec) clat (usec): min=34, max=304555, avg=29082.45, stdev=21624.81 lat (usec): min=34, max=304556, avg=29086.11, stdev=21623.48 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 72], 10.00th=[ 269], 20.00th=[ 14484], | 30.00th=[ 18220], 40.00th=[ 21627], 50.00th=[ 25297], 60.00th=[ 30016], | 70.00th=[ 35390], 80.00th=[ 42730], 90.00th=[ 54789], 95.00th=[ 65274], | 99.00th=[ 89654], 99.50th=[120062], 99.90th=[177210], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 15, max= 143, per=25.06%, avg=64.90, stdev=23.57, samples=182 iops : min= 3, max= 35, avg=15.64, stdev= 5.89, samples=182 write: IOPS=16, BW=67.3KiB/s (68.9kB/s)(6236KiB/92647msec); 0 zone resets clat (usec): min=1168, max=305778, avg=31121.95, stdev=31614.28 lat (usec): min=1170, max=305779, avg=31124.06, stdev=31614.29 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1827], 10.00th=[ 2671], 20.00th=[ 4817], | 30.00th=[ 8094], 40.00th=[ 16450], 50.00th=[ 24249], 60.00th=[ 31065], | 70.00th=[ 41157], 80.00th=[ 51643], 90.00th=[ 67634], 95.00th=[ 87557], | 99.00th=[133694], 99.50th=[168821], 99.90th=[283116], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 15, max= 159, per=24.60%, avg=66.67, stdev=23.60, samples=183 iops : min= 3, max= 39, avg=16.08, stdev= 5.93, samples=183 lat (usec) : 50=0.59%, 100=3.09%, 250=1.17%, 500=0.13%, 750=0.16% lat (usec) : 1000=0.03% lat (msec) : 2=2.86%, 4=5.83%, 10=8.95%, 20=17.15%, 50=42.45% lat (msec) : 100=15.66%, 250=1.76%, 500=0.16% cpu : usr=0.12%, sys=10.01%, ctx=7516, 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=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=259KiB/s (265kB/s), 64.5KiB/s-66.7KiB/s (66.1kB/s-68.3kB/s), io=23.4MiB (24.6MB), run=90322-92647msec WRITE: bw=271KiB/s (278kB/s), 67.3KiB/s-69.3KiB/s (68.9kB/s-70.0kB/s), io=24.6MiB (25.7MB), run=90322-92647msec fio: pid=145122, err=5/file:backend.c:481, func=full resid, error=Input/output error rand-rw: (groupid=0, jobs=1): err= 5 (file:backend.c:481, func=full resid, error=Input/output error): pid=145122: Tue Jun 23 12:37:02 2026 read: IOPS=7, BW=28.6KiB/s (29.3kB/s)(3632KiB/127014msec) clat (msec): min=5, max=544, avg=32.75, stdev=35.67 lat (msec): min=5, max=544, avg=32.75, stdev=35.67 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 21], 60.00th=[ 27], | 70.00th=[ 37], 80.00th=[ 50], 90.00th=[ 68], 95.00th=[ 87], | 99.00th=[ 186], 99.50th=[ 201], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 7, max= 103, per=27.21%, avg=29.93, stdev=19.85, samples=236 iops : min= 1, max= 25, avg= 6.90, stdev= 4.99, samples=236 write: IOPS=7, BW=30.1KiB/s (30.9kB/s)(3828KiB/127014msec); 0 zone resets clat (msec): min=34, max=523, avg=101.35, stdev=47.80 lat (msec): min=34, max=523, avg=101.35, stdev=47.80 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 46], 10.00th=[ 52], 20.00th=[ 61], | 30.00th=[ 71], 40.00th=[ 80], 50.00th=[ 91], 60.00th=[ 105], | 70.00th=[ 120], 80.00th=[ 140], 90.00th=[ 165], 95.00th=[ 186], | 99.00th=[ 234], 99.50th=[ 275], 99.90th=[ 523], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 7, max= 64, per=25.83%, avg=29.71, stdev=14.26, samples=250 iops : min= 1, max= 16, avg= 6.85, stdev= 3.60, samples=250 lat (msec) : 10=5.57%, 20=17.52%, 50=20.53%, 100=32.32%, 250=23.63% lat (msec) : 500=0.27%, 750=0.11% cpu : usr=0.06%, sys=2.40%, ctx=3132, majf=0, minf=20 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=909,957,0,0 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=145123: Tue Jun 23 12:37:02 2026 read: IOPS=7, BW=30.4KiB/s (31.1kB/s)(5940KiB/195678msec) clat (msec): min=5, max=501, avg=28.18, stdev=27.86 lat (msec): min=5, max=501, avg=28.18, stdev=27.86 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 21], 60.00th=[ 24], | 70.00th=[ 31], 80.00th=[ 40], 90.00th=[ 58], 95.00th=[ 74], | 99.00th=[ 109], 99.50th=[ 127], 99.90th=[ 380], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 7, max= 120, per=29.75%, avg=32.72, stdev=22.11, samples=354 iops : min= 1, max= 30, avg= 7.61, stdev= 5.57, samples=354 write: IOPS=8, BW=32.4KiB/s (33.2kB/s)(6348KiB/195678msec); 0 zone resets clat (msec): min=30, max=473, avg=96.73, stdev=54.82 lat (msec): min=30, max=473, avg=96.73, stdev=54.82 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 42], 10.00th=[ 47], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 70], 50.00th=[ 81], 60.00th=[ 93], | 70.00th=[ 112], 80.00th=[ 136], 90.00th=[ 169], 95.00th=[ 201], | 99.00th=[ 300], 99.50th=[ 321], 99.90th=[ 439], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 7, max= 79, per=28.03%, avg=32.24, stdev=16.10, samples=384 iops : min= 1, max= 19, avg= 7.49, stdev= 4.06, samples=384 lat (msec) : 10=6.71%, 20=17.42%, 50=25.16%, 100=31.12%, 250=18.42% lat (msec) : 500=1.14%, 750=0.03% cpu : usr=0.06%, sys=2.41%, ctx=5959, 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=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=145124: Tue Jun 23 12:37:02 2026 read: IOPS=7, BW=30.8KiB/s (31.5kB/s)(6028KiB/195725msec) clat (msec): min=5, max=381, avg=29.21, stdev=26.60 lat (msec): min=5, max=381, avg=29.21, stdev=26.60 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 42], 90.00th=[ 60], 95.00th=[ 77], | 99.00th=[ 125], 99.50th=[ 174], 99.90th=[ 279], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 7, max= 110, per=28.92%, avg=31.82, stdev=20.75, samples=370 iops : min= 1, max= 27, avg= 7.39, stdev= 5.20, samples=370 write: IOPS=7, BW=31.0KiB/s (32.8kB/s)(6260KiB/195725msec); 0 zone resets clat (msec): min=29, max=565, avg=96.73, stdev=56.15 lat (msec): min=29, max=565, avg=96.73, stdev=56.15 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 43], 10.00th=[ 48], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 70], 50.00th=[ 81], 60.00th=[ 94], | 70.00th=[ 109], 80.00th=[ 134], 90.00th=[ 167], 95.00th=[ 203], | 99.00th=[ 275], 99.50th=[ 330], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 7, max= 80, per=27.46%, avg=31.57, stdev=16.41, samples=387 iops : min= 1, max= 20, avg= 7.33, stdev= 4.15, samples=387 lat (msec) : 10=5.89%, 20=17.22%, 50=25.03%, 100=32.94%, 250=17.84% lat (msec) : 500=0.98%, 750=0.10% cpu : usr=0.06%, sys=2.38%, ctx=5904, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145125: Tue Jun 23 12:37:02 2026 read: IOPS=7, BW=30.8KiB/s (31.6kB/s)(6052KiB/196323msec) clat (msec): min=5, max=278, avg=28.31, stdev=25.91 lat (msec): min=5, max=278, avg=28.31, stdev=25.91 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 30], 80.00th=[ 41], 90.00th=[ 60], 95.00th=[ 79], | 99.00th=[ 116], 99.50th=[ 176], 99.90th=[ 222], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 7, max= 112, per=30.54%, avg=33.60, stdev=22.55, samples=352 iops : min= 1, max= 28, avg= 7.84, stdev= 5.67, samples=352 write: IOPS=7, BW=31.8KiB/s (32.5kB/s)(6236KiB/196323msec); 0 zone resets clat (msec): min=28, max=582, avg=98.23, stdev=56.56 lat (msec): min=28, max=582, avg=98.24, stdev=56.56 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 44], 10.00th=[ 48], 20.00th=[ 55], | 30.00th=[ 63], 40.00th=[ 71], 50.00th=[ 81], 60.00th=[ 96], | 70.00th=[ 114], 80.00th=[ 136], 90.00th=[ 169], 95.00th=[ 203], | 99.00th=[ 275], 99.50th=[ 317], 99.90th=[ 567], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 7, max= 72, per=27.25%, avg=31.34, stdev=15.67, samples=388 iops : min= 1, max= 18, avg= 7.27, stdev= 3.97, samples=388 lat (msec) : 10=6.05%, 20=18.95%, 50=23.80%, 100=31.02%, 250=18.98% lat (msec) : 500=1.11%, 750=0.10% cpu : usr=0.05%, sys=2.39%, ctx=5963, 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=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=110KiB/s (113kB/s), 28.6KiB/s-30.8KiB/s (29.3kB/s-31.6kB/s), io=21.1MiB (22.2MB), run=127014-196323msec WRITE: bw=115KiB/s (118kB/s), 30.1KiB/s-32.4KiB/s (30.9kB/s-33.2kB/s), io=22.1MiB (23.2MB), run=127014-196323msec 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=145177: Tue Jun 23 12:37:49 2026 read: IOPS=10, BW=172KiB/s (177kB/s)(5920KiB/34335msec) clat (usec): min=36, max=264932, avg=45353.47, stdev=45646.11 lat (usec): min=36, max=264933, avg=45354.67, stdev=45646.27 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 53], 10.00th=[ 60], 20.00th=[ 73], | 30.00th=[ 11338], 40.00th=[ 31327], 50.00th=[ 39584], 60.00th=[ 47449], | 70.00th=[ 57934], 80.00th=[ 73925], 90.00th=[103285], 95.00th=[123208], | 99.00th=[221250], 99.50th=[254804], 99.90th=[265290], 99.95th=[265290], | 99.99th=[265290] bw ( KiB/s): min= 27, max= 510, per=24.76%, avg=172.36, stdev=91.55, samples=67 iops : min= 1, max= 31, avg= 9.97, stdev= 5.79, samples=67 write: IOPS=11, BW=185KiB/s (190kB/s)(6368KiB/34335msec); 0 zone resets clat (usec): min=1590, max=611138, avg=43964.11, stdev=61645.66 lat (usec): min=1592, max=611139, avg=43989.72, stdev=61651.49 clat percentiles (usec): | 1.00th=[ 1663], 5.00th=[ 2008], 10.00th=[ 2737], 20.00th=[ 6783], | 30.00th=[ 9634], 40.00th=[ 13698], 50.00th=[ 21890], 60.00th=[ 32113], | 70.00th=[ 49021], 80.00th=[ 72877], 90.00th=[103285], 95.00th=[135267], | 99.00th=[316670], 99.50th=[383779], 99.90th=[608175], 99.95th=[608175], | 99.99th=[608175] bw ( KiB/s): min= 27, max= 444, per=25.47%, avg=186.45, stdev=99.56, samples=67 iops : min= 1, max= 27, avg=10.88, stdev= 6.25, samples=67 lat (usec) : 50=2.21%, 100=10.68%, 250=0.52%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=2.73%, 4=4.56%, 10=8.85%, 20=9.90%, 50=27.21% lat (msec) : 100=21.88%, 250=9.77%, 500=1.04%, 750=0.13% cpu : usr=0.06%, sys=5.19%, ctx=1296, 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=145178: Tue Jun 23 12:37:49 2026 read: IOPS=10, BW=171KiB/s (175kB/s)(5744KiB/33525msec) clat (usec): min=36, max=320806, avg=46314.81, stdev=43945.44 lat (usec): min=36, max=320807, avg=46315.94, stdev=43945.51 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 57], 10.00th=[ 60], 20.00th=[ 72], | 30.00th=[ 21890], 40.00th=[ 32637], 50.00th=[ 42206], 60.00th=[ 52167], | 70.00th=[ 61604], 80.00th=[ 74974], 90.00th=[ 94897], 95.00th=[126354], | 99.00th=[202376], 99.50th=[227541], 99.90th=[320865], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 27, max= 383, per=24.65%, avg=171.54, stdev=73.04, samples=65 iops : min= 1, max= 23, avg= 9.94, stdev= 4.56, samples=65 write: IOPS=12, BW=195KiB/s (200kB/s)(6544KiB/33525msec); 0 zone resets clat (usec): min=1483, max=379796, avg=41161.34, stdev=49356.08 lat (usec): min=1485, max=379798, avg=41163.48, stdev=49355.96 clat percentiles (usec): | 1.00th=[ 1663], 5.00th=[ 2008], 10.00th=[ 2802], 20.00th=[ 6718], | 30.00th=[ 10421], 40.00th=[ 14484], 50.00th=[ 21365], 60.00th=[ 33424], | 70.00th=[ 52167], 80.00th=[ 71828], 90.00th=[102237], 95.00th=[130548], | 99.00th=[240124], 99.50th=[270533], 99.90th=[379585], 99.95th=[379585], | 99.99th=[379585] bw ( KiB/s): min= 27, max= 479, per=26.72%, avg=195.55, stdev=85.39, samples=65 iops : min= 1, max= 29, avg=11.48, stdev= 5.34, samples=65 lat (usec) : 50=1.43%, 100=10.16%, 250=0.65%, 500=0.13%, 1000=0.13% lat (msec) : 2=2.60%, 4=5.21%, 10=7.81%, 20=11.46%, 50=24.22% lat (msec) : 100=26.82%, 250=8.72%, 500=0.65% cpu : usr=0.07%, sys=5.98%, ctx=1429, 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=145179: Tue Jun 23 12:37:49 2026 read: IOPS=11, BW=182KiB/s (186kB/s)(6256KiB/34396msec) clat (usec): min=36, max=293488, avg=43356.46, stdev=41071.27 lat (usec): min=37, max=293489, avg=43357.68, stdev=41071.29 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 55], 10.00th=[ 62], 20.00th=[ 75], | 30.00th=[ 18220], 40.00th=[ 30016], 50.00th=[ 39060], 60.00th=[ 47973], | 70.00th=[ 57410], 80.00th=[ 69731], 90.00th=[ 93848], 95.00th=[116917], | 99.00th=[175113], 99.50th=[254804], 99.90th=[291505], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 27, max= 351, per=26.24%, avg=182.66, stdev=77.78, samples=67 iops : min= 1, max= 21, avg=10.64, stdev= 4.86, samples=67 write: IOPS=10, BW=175KiB/s (180kB/s)(6032KiB/34396msec); 0 zone resets clat (usec): min=1457, max=506360, avg=46078.97, stdev=55063.61 lat (usec): min=1459, max=506362, avg=46081.23, stdev=55063.65 clat percentiles (usec): | 1.00th=[ 1598], 5.00th=[ 2073], 10.00th=[ 2900], 20.00th=[ 5800], | 30.00th=[ 10552], 40.00th=[ 17957], 50.00th=[ 27919], 60.00th=[ 39584], | 70.00th=[ 54264], 80.00th=[ 77071], 90.00th=[116917], 95.00th=[147850], | 99.00th=[242222], 99.50th=[320865], 99.90th=[505414], 99.95th=[505414], | 99.99th=[505414] bw ( KiB/s): min= 27, max= 479, per=23.68%, avg=173.31, stdev=84.92, samples=67 iops : min= 1, max= 29, avg=10.04, stdev= 5.32, samples=67 lat (usec) : 50=1.69%, 100=11.20%, 250=0.65%, 750=0.13%, 1000=0.26% lat (msec) : 2=2.21%, 4=4.82%, 10=7.68%, 20=7.81%, 50=28.78% lat (msec) : 100=23.18%, 250=10.94%, 500=0.52%, 750=0.13% cpu : usr=0.11%, sys=5.29%, ctx=1383, 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=145180: Tue Jun 23 12:37:49 2026 read: IOPS=11, BW=188KiB/s (193kB/s)(6032KiB/32078msec) clat (usec): min=33, max=179351, avg=43973.60, stdev=36747.89 lat (usec): min=33, max=179352, avg=43989.33, stdev=36748.38 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 56], 10.00th=[ 61], 20.00th=[ 85], | 30.00th=[ 21103], 40.00th=[ 32375], 50.00th=[ 42206], 60.00th=[ 49021], | 70.00th=[ 59507], 80.00th=[ 73925], 90.00th=[ 90702], 95.00th=[114820], | 99.00th=[152044], 99.50th=[162530], 99.90th=[179307], 99.95th=[179307], | 99.99th=[179307] bw ( KiB/s): min= 27, max= 414, per=27.30%, avg=190.00, stdev=81.96, samples=61 iops : min= 1, max= 25, avg=11.10, stdev= 5.13, samples=61 write: IOPS=12, BW=195KiB/s (200kB/s)(6256KiB/32078msec); 0 zone resets clat (usec): min=1483, max=252518, avg=39522.86, stdev=44411.99 lat (usec): min=1484, max=252519, avg=39527.00, stdev=44411.04 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 1876], 10.00th=[ 2671], 20.00th=[ 6718], | 30.00th=[ 9372], 40.00th=[ 13698], 50.00th=[ 21890], 60.00th=[ 30802], | 70.00th=[ 49021], 80.00th=[ 69731], 90.00th=[ 96994], 95.00th=[127402], | 99.00th=[219153], 99.50th=[225444], 99.90th=[252707], 99.95th=[252707], | 99.99th=[252707] bw ( KiB/s): min= 31, max= 445, per=26.51%, avg=194.03, stdev=83.25, samples=62 iops : min= 1, max= 27, avg=11.35, stdev= 5.24, samples=62 lat (usec) : 50=1.69%, 100=8.85%, 250=1.30%, 500=0.39%, 750=0.13% lat (msec) : 2=3.12%, 4=3.78%, 10=9.64%, 20=9.38%, 50=27.21% lat (msec) : 100=25.39%, 250=8.98%, 500=0.13% cpu : usr=0.06%, sys=5.62%, ctx=1338, 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=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=696KiB/s (713kB/s), 171KiB/s-188KiB/s (175kB/s-193kB/s), io=23.4MiB (24.5MB), run=32078-34396msec WRITE: bw=733KiB/s (750kB/s), 175KiB/s-195KiB/s (180kB/s-200kB/s), io=24.6MiB (25.8MB), run=32078-34396msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145172: Tue Jun 23 12:38:37 2026 read: IOPS=4, BW=72.8KiB/s (74.6kB/s)(5920KiB/81274msec) clat (msec): min=6, max=508, avg=48.06, stdev=55.11 lat (msec): min=6, max=508, avg=48.06, stdev=55.11 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 16], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 39], | 70.00th=[ 46], 80.00th=[ 60], 90.00th=[ 90], 95.00th=[ 136], | 99.00th=[ 296], 99.50th=[ 372], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 27, max= 347, per=30.22%, avg=88.25, stdev=56.06, samples=131 iops : min= 1, max= 21, avg= 4.73, stdev= 3.49, samples=131 write: IOPS=4, BW=78.4KiB/s (80.2kB/s)(6368KiB/81274msec); 0 zone resets clat (msec): min=39, max=588, avg=159.09, stdev=88.36 lat (msec): min=39, max=588, avg=159.10, stdev=88.37 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 66], 10.00th=[ 78], 20.00th=[ 92], | 30.00th=[ 105], 40.00th=[ 116], 50.00th=[ 134], 60.00th=[ 150], | 70.00th=[ 180], 80.00th=[ 218], 90.00th=[ 284], 95.00th=[ 347], | 99.00th=[ 451], 99.50th=[ 518], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 22, max= 224, per=26.43%, avg=81.41, stdev=41.21, samples=153 iops : min= 1, max= 14, avg= 4.29, stdev= 2.63, samples=153 lat (msec) : 10=0.91%, 20=10.42%, 50=25.78%, 100=20.70%, 250=33.85% lat (msec) : 500=7.94%, 750=0.39% cpu : usr=0.05%, sys=1.41%, ctx=1482, 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=145173: Tue Jun 23 12:38:37 2026 read: IOPS=4, BW=70.2KiB/s (71.9kB/s)(5744KiB/81808msec) clat (msec): min=8, max=397, avg=48.10, stdev=50.63 lat (msec): min=8, max=397, avg=48.10, stdev=50.63 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 40], | 70.00th=[ 49], 80.00th=[ 64], 90.00th=[ 105], 95.00th=[ 155], | 99.00th=[ 288], 99.50th=[ 342], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 22, max= 288, per=29.49%, avg=86.12, stdev=61.25, samples=130 iops : min= 1, max= 18, avg= 4.61, stdev= 3.90, samples=130 write: IOPS=4, BW=79.0KiB/s (81.9kB/s)(6544KiB/81808msec); 0 zone resets clat (msec): min=31, max=609, avg=157.58, stdev=84.69 lat (msec): min=31, max=609, avg=157.58, stdev=84.69 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 65], 10.00th=[ 74], 20.00th=[ 93], | 30.00th=[ 106], 40.00th=[ 122], 50.00th=[ 134], 60.00th=[ 153], | 70.00th=[ 174], 80.00th=[ 220], 90.00th=[ 271], 95.00th=[ 330], | 99.00th=[ 451], 99.50th=[ 464], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 30, max= 223, per=27.14%, avg=83.58, stdev=40.19, samples=153 iops : min= 1, max= 13, avg= 4.42, stdev= 2.56, samples=153 lat (msec) : 10=0.78%, 20=12.37%, 50=21.09%, 100=21.22%, 250=35.94% lat (msec) : 500=8.33%, 750=0.26% cpu : usr=0.05%, sys=1.40%, ctx=1508, 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=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=145174: Tue Jun 23 12:38:37 2026 read: IOPS=5, BW=80.7KiB/s (82.7kB/s)(6256KiB/77501msec) clat (msec): min=7, max=473, avg=47.45, stdev=53.77 lat (msec): min=7, max=473, avg=47.45, stdev=53.77 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 46], 80.00th=[ 59], 90.00th=[ 91], 95.00th=[ 146], | 99.00th=[ 300], 99.50th=[ 363], 99.90th=[ 472], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 30, max= 443, per=32.25%, avg=94.16, stdev=67.82, samples=131 iops : min= 1, max= 27, avg= 5.10, stdev= 4.29, samples=131 write: IOPS=4, BW=77.8KiB/s (79.7kB/s)(6032KiB/77501msec); 0 zone resets clat (msec): min=40, max=509, avg=155.88, stdev=83.15 lat (msec): min=40, max=509, avg=155.88, stdev=83.15 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 62], 10.00th=[ 71], 20.00th=[ 90], | 30.00th=[ 104], 40.00th=[ 115], 50.00th=[ 132], 60.00th=[ 153], | 70.00th=[ 178], 80.00th=[ 215], 90.00th=[ 279], 95.00th=[ 334], | 99.00th=[ 397], 99.50th=[ 460], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 27, max= 192, per=26.30%, avg=81.00, stdev=39.24, samples=145 iops : min= 1, max= 12, avg= 4.25, stdev= 2.51, samples=145 lat (msec) : 10=0.91%, 20=10.94%, 50=26.56%, 100=21.61%, 250=31.77% lat (msec) : 500=8.07%, 750=0.13% cpu : usr=0.04%, sys=1.46%, ctx=1529, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145175: Tue Jun 23 12:38:37 2026 read: IOPS=4, BW=75.1KiB/s (76.9kB/s)(6032KiB/80269msec) clat (msec): min=7, max=448, avg=46.93, stdev=50.46 lat (msec): min=7, max=448, avg=46.93, stdev=50.46 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 26], 50.00th=[ 32], 60.00th=[ 37], | 70.00th=[ 46], 80.00th=[ 59], 90.00th=[ 102], 95.00th=[ 140], | 99.00th=[ 292], 99.50th=[ 338], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 30, max= 287, per=30.04%, avg=87.72, stdev=54.69, samples=134 iops : min= 1, max= 17, avg= 4.69, stdev= 3.45, samples=134 write: IOPS=4, BW=77.9KiB/s (79.8kB/s)(6256KiB/80269msec); 0 zone resets clat (msec): min=37, max=540, avg=159.61, stdev=85.30 lat (msec): min=37, max=540, avg=159.62, stdev=85.30 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 70], 10.00th=[ 79], 20.00th=[ 92], | 30.00th=[ 107], 40.00th=[ 120], 50.00th=[ 136], 60.00th=[ 155], | 70.00th=[ 180], 80.00th=[ 220], 90.00th=[ 271], 95.00th=[ 334], | 99.00th=[ 439], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 27, max= 192, per=25.98%, avg=80.01, stdev=39.31, samples=153 iops : min= 1, max= 12, avg= 4.19, stdev= 2.49, samples=153 lat (msec) : 10=0.78%, 20=11.85%, 50=24.48%, 100=19.53%, 250=35.55% lat (msec) : 500=7.42%, 750=0.39% cpu : usr=0.04%, sys=1.33%, ctx=1409, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=293KiB/s (300kB/s), 70.2KiB/s-80.7KiB/s (71.9kB/s-82.7kB/s), io=23.4MiB (24.5MB), run=77501-81808msec WRITE: bw=308KiB/s (315kB/s), 77.8KiB/s-79.0KiB/s (79.7kB/s-81.9kB/s), io=24.6MiB (25.8MB), run=77501-81808msec 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=145199: Tue Jun 23 12:38:52 2026 read: IOPS=1, BW=1650KiB/s (1690kB/s)(7168KiB/4343msec) clat (usec): min=1902, max=442794, avg=253677.24, stdev=132609.30 lat (usec): min=1903, max=442796, avg=253678.81, stdev=132609.30 clat percentiles (usec): | 1.00th=[ 1909], 5.00th=[ 1909], 10.00th=[ 1909], 20.00th=[231736], | 30.00th=[242222], 40.00th=[242222], 50.00th=[252707], 60.00th=[283116], | 70.00th=[283116], 80.00th=[325059], 90.00th=[442500], 95.00th=[442500], | 99.00th=[442500], 99.50th=[442500], 99.90th=[442500], 99.95th=[442500], | 99.99th=[442500] bw ( KiB/s): min= 1921, max= 3093, per=55.66%, avg=2211.20, stdev=494.91, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1179KiB/s (1207kB/s)(5120KiB/4343msec); 0 zone resets clat (msec): min=125, max=604, avg=475.32, stdev=200.17 lat (msec): min=125, max=604, avg=475.49, stdev=200.00 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 126], 20.00th=[ 126], | 30.00th=[ 498], 40.00th=[ 498], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 600], 80.00th=[ 600], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 1921, max= 3968, per=44.09%, avg=2453.00, stdev=1010.29, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 2=8.33%, 250=25.00%, 500=41.67%, 750=25.00% cpu : usr=0.00%, sys=11.03%, ctx=252, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145200: Tue Jun 23 12:38:52 2026 read: IOPS=0, BW=397KiB/s (407kB/s)(2048KiB/5154msec) clat (msec): min=201, max=253, avg=227.63, stdev=36.35 lat (msec): min=201, max=253, avg=227.63, stdev=36.35 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 203], 10.00th=[ 203], 20.00th=[ 203], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 203], 60.00th=[ 253], | 70.00th=[ 253], 80.00th=[ 253], 90.00th=[ 253], 95.00th=[ 253], | 99.00th=[ 253], 99.50th=[ 253], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] bw ( KiB/s): min= 1434, max= 1984, per=43.02%, avg=1709.00, stdev=388.91, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1987KiB/s (2034kB/s)(10.0MiB/5154msec); 0 zone resets clat (msec): min=158, max=890, avg=432.94, stdev=239.74 lat (msec): min=158, max=905, avg=434.51, stdev=242.95 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 224], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 334], 60.00th=[ 422], | 70.00th=[ 426], 80.00th=[ 584], 90.00th=[ 751], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 1943, max= 3961, per=47.22%, avg=2626.83, stdev=988.51, samples=6 iops : min= 1, max= 3, avg= 1.67, stdev= 1.03, samples=6 lat (msec) : 250=25.00%, 500=50.00%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=12.85%, ctx=205, 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=145202: Tue Jun 23 12:38:52 2026 read: IOPS=1, BW=1199KiB/s (1228kB/s)(6144KiB/5125msec) clat (usec): min=539, max=566109, avg=237301.44, stdev=188465.36 lat (usec): min=540, max=566110, avg=237302.77, stdev=188465.29 clat percentiles (usec): | 1.00th=[ 537], 5.00th=[ 537], 10.00th=[ 537], 20.00th=[175113], | 30.00th=[175113], 40.00th=[185598], 50.00th=[185598], 60.00th=[191890], | 70.00th=[304088], 80.00th=[304088], 90.00th=[566232], 95.00th=[566232], | 99.00th=[566232], 99.50th=[566232], 99.90th=[566232], 99.95th=[566232], | 99.99th=[566232] bw ( KiB/s): min= 1943, max= 6107, per=84.18%, avg=3344.67, stdev=2392.34, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 write: IOPS=1, BW=1199KiB/s (1228kB/s)(6144KiB/5125msec); 0 zone resets clat (msec): min=136, max=1165, avg=534.71, stdev=412.01 lat (msec): min=136, max=1165, avg=534.78, stdev=412.01 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 249], | 30.00th=[ 249], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 430], | 70.00th=[ 919], 80.00th=[ 919], 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= 1943, max= 3992, per=44.82%, avg=2493.25, stdev=999.89, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=25.00%, 750=8.33%, 1000=8.33%, 2000=8.33% cpu : usr=0.02%, sys=10.07%, ctx=324, 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=145203: Tue Jun 23 12:38:52 2026 read: IOPS=1, BW=1352KiB/s (1385kB/s)(5120KiB/3786msec) clat (usec): min=532, max=656472, avg=326633.06, stdev=236652.91 lat (usec): min=534, max=656473, avg=326634.19, stdev=236653.12 clat percentiles (usec): | 1.00th=[ 537], 5.00th=[ 537], 10.00th=[ 537], 20.00th=[ 537], | 30.00th=[287310], 40.00th=[287310], 50.00th=[287310], 60.00th=[287310], | 70.00th=[400557], 80.00th=[400557], 90.00th=[658506], 95.00th=[658506], | 99.00th=[658506], 99.50th=[658506], 99.90th=[658506], 99.95th=[658506], | 99.99th=[658506] bw ( KiB/s): min= 1921, max= 2043, per=49.73%, avg=1975.75, stdev=54.78, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 write: IOPS=1, BW=1893KiB/s (1939kB/s)(7168KiB/3786msec); 0 zone resets clat (msec): min=140, max=448, avg=297.39, stdev=104.28 lat (msec): min=140, max=448, avg=299.13, stdev=104.06 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 142], 10.00th=[ 142], 20.00th=[ 220], | 30.00th=[ 264], 40.00th=[ 264], 50.00th=[ 284], 60.00th=[ 334], | 70.00th=[ 334], 80.00th=[ 393], 90.00th=[ 447], 95.00th=[ 447], | 99.00th=[ 447], 99.50th=[ 447], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 2884, max= 3992, per=64.98%, avg=3614.67, stdev=632.89, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=16.67%, 500=66.67%, 750=8.33% cpu : usr=0.00%, sys=12.84%, ctx=170, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=3974KiB/s (4069kB/s), 397KiB/s-1650KiB/s (407kB/s-1690kB/s), io=20.0MiB (20.0MB), run=3786-5154msec WRITE: bw=5563KiB/s (5697kB/s), 1179KiB/s-1987KiB/s (1207kB/s-2034kB/s), io=28.0MiB (29.4MB), run=3786-5154msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145204: Tue Jun 23 12:38:53 2026 read: IOPS=1, BW=1419KiB/s (1453kB/s)(7168KiB/5052msec) clat (msec): min=104, max=502, avg=254.41, stdev=129.15 lat (msec): min=104, max=502, avg=254.41, stdev=129.15 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 105], 10.00th=[ 105], 20.00th=[ 146], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 271], 60.00th=[ 279], | 70.00th=[ 279], 80.00th=[ 279], 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= 1367, max= 3923, per=61.41%, avg=2146.40, stdev=1014.18, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=0, BW=1013KiB/s (1038kB/s)(5120KiB/5052msec); 0 zone resets clat (msec): min=358, max=931, avg=589.41, stdev=220.22 lat (msec): min=358, max=931, avg=589.60, stdev=220.10 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 359], | 30.00th=[ 443], 40.00th=[ 443], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 634], 80.00th=[ 634], 90.00th=[ 936], 95.00th=[ 936], | 99.00th=[ 936], 99.50th=[ 936], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 1917, max= 2035, per=40.50%, avg=1981.80, stdev=46.47, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=25.00%, 500=41.67%, 750=25.00%, 1000=8.33% cpu : usr=0.02%, sys=4.18%, ctx=111, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145205: Tue Jun 23 12:38:53 2026 read: IOPS=0, BW=350KiB/s (358kB/s)(2048KiB/5859msec) clat (msec): min=370, max=471, avg=420.90, stdev=71.33 lat (msec): min=370, max=471, avg=420.90, stdev=71.32 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 372], 10.00th=[ 372], 20.00th=[ 372], | 30.00th=[ 372], 40.00th=[ 372], 50.00th=[ 372], 60.00th=[ 472], | 70.00th=[ 472], 80.00th=[ 472], 90.00th=[ 472], 95.00th=[ 472], | 99.00th=[ 472], 99.50th=[ 472], 99.90th=[ 472], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 1383, max= 1917, per=47.21%, avg=1650.00, stdev=377.60, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1748KiB/s (1790kB/s)(10.0MiB/5859msec); 0 zone resets clat (msec): min=139, max=1471, avg=475.24, stdev=376.79 lat (msec): min=139, max=1471, avg=475.37, stdev=376.78 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 213], | 30.00th=[ 262], 40.00th=[ 338], 50.00th=[ 347], 60.00th=[ 380], | 70.00th=[ 502], 80.00th=[ 542], 90.00th=[ 558], 95.00th=[ 1469], | 99.00th=[ 1469], 99.50th=[ 1469], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 1954, max= 4096, per=54.65%, avg=2674.17, stdev=1062.00, samples=6 iops : min= 1, max= 4, avg= 1.83, stdev= 1.33, samples=6 lat (msec) : 250=16.67%, 500=50.00%, 750=25.00%, 2000=8.33% cpu : usr=0.03%, sys=3.93%, ctx=106, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145206: Tue Jun 23 12:38:53 2026 read: IOPS=1, BW=1364KiB/s (1396kB/s)(6144KiB/4506msec) clat (msec): min=104, max=585, avg=241.56, stdev=176.50 lat (msec): min=104, max=585, avg=241.56, stdev=176.50 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 105], 10.00th=[ 105], 20.00th=[ 153], | 30.00th=[ 153], 40.00th=[ 153], 50.00th=[ 153], 60.00th=[ 192], | 70.00th=[ 262], 80.00th=[ 262], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 1996, max= 3908, per=75.45%, avg=2637.00, stdev=1100.73, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1364KiB/s (1396kB/s)(6144KiB/4506msec); 0 zone resets clat (msec): min=233, max=926, avg=491.85, stdev=287.65 lat (msec): min=233, max=926, avg=491.95, stdev=287.65 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 234], 10.00th=[ 234], 20.00th=[ 266], | 30.00th=[ 266], 40.00th=[ 342], 50.00th=[ 342], 60.00th=[ 414], | 70.00th=[ 768], 80.00th=[ 768], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 1802, max= 2756, per=43.74%, avg=2140.25, stdev=421.16, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (msec) : 250=41.67%, 500=33.33%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=3.71%, ctx=78, 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=145207: Tue Jun 23 12:38:53 2026 read: IOPS=0, BW=918KiB/s (940kB/s)(5120KiB/5577msec) clat (msec): min=75, max=563, avg=237.40, stdev=192.89 lat (msec): min=75, max=563, avg=237.40, stdev=192.89 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 77], | 30.00th=[ 115], 40.00th=[ 115], 50.00th=[ 205], 60.00th=[ 205], | 70.00th=[ 230], 80.00th=[ 230], 90.00th=[ 567], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 2035, max= 5752, per=100.00%, avg=3893.50, stdev=2628.32, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1285KiB/s (1316kB/s)(7168KiB/5577msec); 0 zone resets clat (msec): min=148, max=1228, avg=571.58, stdev=419.15 lat (msec): min=148, max=1228, avg=571.68, stdev=419.14 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 207], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 481], 60.00th=[ 514], | 70.00th=[ 514], 80.00th=[ 1070], 90.00th=[ 1234], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 1723, max= 6144, per=56.51%, avg=2764.80, stdev=1892.55, samples=5 iops : min= 1, max= 6, avg= 2.00, stdev= 2.24, samples=5 lat (msec) : 100=8.33%, 250=41.67%, 500=16.67%, 750=16.67%, 2000=16.67% cpu : usr=0.00%, sys=3.48%, ctx=76, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3495KiB/s (3579kB/s), 350KiB/s-1419KiB/s (358kB/s-1453kB/s), io=20.0MiB (20.0MB), run=4506-5859msec WRITE: bw=4894KiB/s (5011kB/s), 1013KiB/s-1748KiB/s (1038kB/s-1790kB/s), io=28.0MiB (29.4MB), run=4506-5859msec 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=145219: Tue Jun 23 12:39:06 2026 read: IOPS=1, BW=4723KiB/s (4836kB/s)(12.0MiB/2602msec) clat (msec): min=544, max=1166, avg=867.01, stdev=311.64 lat (msec): min=544, max=1166, avg=867.01, stdev=311.64 clat percentiles (msec): | 1.00th=[ 542], 5.00th=[ 542], 10.00th=[ 542], 20.00th=[ 542], | 30.00th=[ 542], 40.00th=[ 894], 50.00th=[ 894], 60.00th=[ 894], | 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= 8175, per=100.00%, avg=8167.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.04%, sys=4.38%, ctx=60, 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=145220: Tue Jun 23 12:39:06 2026 read: IOPS=0, BW=1271KiB/s (1302kB/s)(4096KiB/3222msec) clat (nsec): min=1349.7M, max=1349.7M, avg=1349651001.00, stdev= 0.00 lat (nsec): min=1349.7M, max=1349.7M, avg=1349652580.00, stdev= 0.00 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=[ 1351], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2543KiB/s (2604kB/s)(8192KiB/3222msec); 0 zone resets clat (msec): min=866, max=1001, avg=934.32, stdev=95.51 lat (msec): min=868, max=1002, avg=935.55, stdev=94.35 clat percentiles (msec): | 1.00th=[ 869], 5.00th=[ 869], 10.00th=[ 869], 20.00th=[ 869], | 30.00th=[ 869], 40.00th=[ 869], 50.00th=[ 869], 60.00th=[ 1003], | 70.00th=[ 1003], 80.00th=[ 1003], 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= 8192, max= 8192, per=80.55%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=4.59%, ctx=55, 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=145221: Tue Jun 23 12:39:06 2026 write: IOPS=1, BW=4289KiB/s (4392kB/s)(12.0MiB/2865msec); 0 zone resets clat (msec): min=405, max=1449, avg=954.31, stdev=524.37 lat (msec): min=405, max=1450, avg=954.76, stdev=524.32 clat percentiles (msec): | 1.00th=[ 405], 5.00th=[ 405], 10.00th=[ 405], 20.00th=[ 405], | 30.00th=[ 405], 40.00th=[ 1011], 50.00th=[ 1011], 60.00th=[ 1011], | 70.00th=[ 1452], 80.00th=[ 1452], 90.00th=[ 1452], 95.00th=[ 1452], | 99.00th=[ 1452], 99.50th=[ 1452], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 8078, max= 8094, per=79.51%, avg=8086.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.07%, sys=3.35%, ctx=32, 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=145222: Tue Jun 23 12:39:06 2026 write: IOPS=1, BW=5163KiB/s (5287kB/s)(12.0MiB/2380msec); 0 zone resets clat (msec): min=390, max=1071, avg=791.75, stdev=356.38 lat (msec): min=390, max=1072, avg=792.90, stdev=357.02 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 393], 10.00th=[ 393], 20.00th=[ 393], | 30.00th=[ 393], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 1070], 80.00th=[ 1070], 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= 5634, max= 8159, per=67.81%, avg=6896.50, stdev=1785.44, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.04%, sys=7.15%, ctx=50, 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=5085KiB/s (5207kB/s), 1271KiB/s-4723KiB/s (1302kB/s-4836kB/s), io=16.0MiB (16.8MB), run=2602-3222msec WRITE: bw=9.93MiB/s (10.4MB/s), 2543KiB/s-5163KiB/s (2604kB/s-5287kB/s), io=32.0MiB (33.6MB), run=2380-3222msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145214: Tue Jun 23 12:39:06 2026 read: IOPS=1, BW=5044KiB/s (5165kB/s)(12.0MiB/2436msec) clat (msec): min=714, max=949, avg=810.14, stdev=123.47 lat (msec): min=714, max=949, avg=810.15, stdev=123.47 clat percentiles (msec): | 1.00th=[ 718], 5.00th=[ 718], 10.00th=[ 718], 20.00th=[ 718], | 30.00th=[ 718], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 953], 80.00th=[ 953], 90.00th=[ 953], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 7641, max= 7907, per=100.00%, avg=7774.00, stdev=188.09, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=16.34%, ctx=268, 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=145215: Tue Jun 23 12:39:06 2026 read: IOPS=0, BW=1383KiB/s (1417kB/s)(4096KiB/2961msec) clat (nsec): min=782024k, max=782024k, avg=782023580.00, stdev= 0.00 lat (nsec): min=782026k, max=782026k, avg=782026166.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 785], 5.00th=[ 785], 10.00th=[ 785], 20.00th=[ 785], | 30.00th=[ 785], 40.00th=[ 785], 50.00th=[ 785], 60.00th=[ 785], | 70.00th=[ 785], 80.00th=[ 785], 90.00th=[ 785], 95.00th=[ 785], | 99.00th=[ 785], 99.50th=[ 785], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 7641, max= 7641, per=100.00%, avg=7641.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2767KiB/s (2833kB/s)(8192KiB/2961msec); 0 zone resets clat (msec): min=920, max=1113, avg=1017.00, stdev=136.89 lat (msec): min=921, max=1116, avg=1018.80, stdev=138.23 clat percentiles (msec): | 1.00th=[ 919], 5.00th=[ 919], 10.00th=[ 919], 20.00th=[ 919], | 30.00th=[ 919], 40.00th=[ 919], 50.00th=[ 919], 60.00th=[ 1116], | 70.00th=[ 1116], 80.00th=[ 1116], 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= 7907, max= 7907, per=97.83%, avg=7907.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.00%, sys=4.70%, ctx=163, 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=145216: Tue Jun 23 12:39:06 2026 write: IOPS=0, BW=3031KiB/s (3104kB/s)(12.0MiB/4054msec); 0 zone resets clat (msec): min=381, max=2190, avg=1327.96, stdev=907.37 lat (msec): min=386, max=2192, avg=1330.22, stdev=906.05 clat percentiles (msec): | 1.00th=[ 384], 5.00th=[ 384], 10.00th=[ 384], 20.00th=[ 384], | 30.00th=[ 384], 40.00th=[ 1418], 50.00th=[ 1418], 60.00th=[ 1418], | 70.00th=[ 2198], 80.00th=[ 2198], 90.00th=[ 2198], 95.00th=[ 2198], | 99.00th=[ 2198], 99.50th=[ 2198], 99.90th=[ 2198], 99.95th=[ 2198], | 99.99th=[ 2198] bw ( KiB/s): min= 7907, max= 8175, per=99.49%, avg=8041.00, stdev=189.50, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=5.11%, ctx=70, 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=145217: Tue Jun 23 12:39:06 2026 write: IOPS=1, BW=4499KiB/s (4607kB/s)(12.0MiB/2731msec); 0 zone resets clat (msec): min=449, max=1700, avg=898.70, stdev=696.37 lat (msec): min=451, max=1701, avg=899.63, stdev=695.71 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 451], 10.00th=[ 451], 20.00th=[ 451], | 30.00th=[ 451], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 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=15283, max=15283, per=100.00%, avg=15283.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=3.99%, ctx=39, 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=5533KiB/s (5666kB/s), 1383KiB/s-5044KiB/s (1417kB/s-5165kB/s), io=16.0MiB (16.8MB), run=2436-2961msec WRITE: bw=8083KiB/s (8277kB/s), 2767KiB/s-4499KiB/s (2833kB/s-4607kB/s), io=32.0MiB (33.6MB), run=2731-4054msec