== sanity test 398b: DIO and buffer IO race ============== 14:13:33 (1780856013) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.88972 s, 12.9 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=145431: Sun Jun 7 14:15:20 2026 read: IOPS=16, BW=64.7KiB/s (66.2kB/s)(5992KiB/92621msec) clat (usec): min=37, max=657810, avg=31332.94, stdev=27978.62 lat (usec): min=37, max=657811, avg=31335.76, stdev=27978.72 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 90], 10.00th=[ 10683], 20.00th=[ 15926], | 30.00th=[ 19268], 40.00th=[ 22414], 50.00th=[ 26608], 60.00th=[ 31065], | 70.00th=[ 36439], 80.00th=[ 44827], 90.00th=[ 56361], 95.00th=[ 68682], | 99.00th=[113771], 99.50th=[160433], 99.90th=[283116], 99.95th=[658506], | 99.99th=[658506] bw ( KiB/s): min= 6, max= 136, per=25.33%, avg=64.09, stdev=22.70, samples=183 iops : min= 1, max= 34, avg=15.41, stdev= 5.70, samples=183 write: IOPS=16, BW=67.0KiB/s (69.6kB/s)(6296KiB/92621msec); 0 zone resets clat (usec): min=1258, max=176776, avg=28840.61, stdev=27345.22 lat (usec): min=1259, max=176778, avg=28843.28, stdev=27345.15 clat percentiles (usec): | 1.00th=[ 1450], 5.00th=[ 2040], 10.00th=[ 2933], 20.00th=[ 4686], | 30.00th=[ 7635], 40.00th=[ 14746], 50.00th=[ 22414], 60.00th=[ 28705], | 70.00th=[ 36963], 80.00th=[ 48497], 90.00th=[ 64750], 95.00th=[ 83362], | 99.00th=[121111], 99.50th=[135267], 99.90th=[164627], 99.95th=[177210], | 99.99th=[177210] bw ( KiB/s): min= 15, max= 151, per=25.61%, avg=67.88, stdev=24.14, samples=182 iops : min= 3, max= 37, avg=16.36, stdev= 6.07, samples=182 lat (usec) : 50=0.26%, 100=2.47%, 250=1.07%, 750=0.03%, 1000=0.03% lat (msec) : 2=2.54%, 4=6.25%, 10=9.41%, 20=17.48%, 50=43.75% lat (msec) : 100=14.84%, 250=1.79%, 500=0.03%, 750=0.03% cpu : usr=0.11%, sys=9.86%, ctx=7432, 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=145432: Sun Jun 7 14:15:20 2026 read: IOPS=15, BW=62.8KiB/s (64.3kB/s)(5940KiB/94567msec) clat (usec): min=35, max=759623, avg=31480.76, stdev=28743.33 lat (usec): min=35, max=759624, avg=31483.29, stdev=28743.50 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 86], 10.00th=[ 10421], 20.00th=[ 16057], | 30.00th=[ 19792], 40.00th=[ 22938], 50.00th=[ 27132], 60.00th=[ 31327], | 70.00th=[ 37487], 80.00th=[ 44827], 90.00th=[ 57410], 95.00th=[ 68682], | 99.00th=[105382], 99.50th=[124257], 99.90th=[221250], 99.95th=[759170], | 99.99th=[759170] bw ( KiB/s): min= 7, max= 119, per=24.85%, avg=62.87, stdev=21.41, samples=185 iops : min= 1, max= 29, avg=15.10, stdev= 5.36, samples=185 write: IOPS=16, BW=67.1KiB/s (68.7kB/s)(6348KiB/94567msec); 0 zone resets clat (usec): min=1206, max=293897, avg=29955.30, stdev=28774.64 lat (usec): min=1207, max=293899, avg=29962.11, stdev=28773.42 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1942], 10.00th=[ 2606], 20.00th=[ 4490], | 30.00th=[ 7177], 40.00th=[ 15008], 50.00th=[ 23725], 60.00th=[ 31851], | 70.00th=[ 39584], 80.00th=[ 51643], 90.00th=[ 66847], 95.00th=[ 81265], | 99.00th=[121111], 99.50th=[141558], 99.90th=[206570], 99.95th=[295699], | 99.99th=[295699] bw ( KiB/s): min= 16, max= 176, per=25.18%, avg=66.73, stdev=25.23, samples=186 iops : min= 4, max= 44, avg=16.07, stdev= 6.39, samples=186 lat (usec) : 50=0.13%, 100=2.60%, 250=1.20%, 500=0.16%, 750=0.10% lat (usec) : 1000=0.07% lat (msec) : 2=2.83%, 4=6.02%, 10=9.47%, 20=16.05%, 50=42.87% lat (msec) : 100=16.60%, 250=1.82%, 500=0.03%, 1000=0.03% cpu : usr=0.11%, sys=9.75%, ctx=7465, 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=145433: Sun Jun 7 14:15:20 2026 read: IOPS=16, BW=64.7KiB/s (66.2kB/s)(6028KiB/93238msec) clat (usec): min=29, max=658237, avg=30099.41, stdev=25733.83 lat (usec): min=29, max=658238, avg=30101.04, stdev=25734.16 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 78], 10.00th=[ 2966], 20.00th=[ 15270], | 30.00th=[ 19006], 40.00th=[ 22676], 50.00th=[ 26346], 60.00th=[ 30540], | 70.00th=[ 35914], 80.00th=[ 44303], 90.00th=[ 55837], 95.00th=[ 64750], | 99.00th=[102237], 99.50th=[121111], 99.90th=[139461], 99.95th=[658506], | 99.99th=[658506] bw ( KiB/s): min= 6, max= 159, per=25.54%, avg=64.62, stdev=24.66, samples=184 iops : min= 1, max= 39, avg=15.53, stdev= 6.20, samples=184 write: IOPS=16, BW=67.1KiB/s (68.8kB/s)(6260KiB/93238msec); 0 zone resets clat (usec): min=1113, max=281814, avg=30420.57, stdev=28556.50 lat (usec): min=1114, max=281816, avg=30426.26, stdev=28557.43 clat percentiles (usec): | 1.00th=[ 1450], 5.00th=[ 2114], 10.00th=[ 2999], 20.00th=[ 5145], | 30.00th=[ 9634], 40.00th=[ 17695], 50.00th=[ 23987], 60.00th=[ 31065], | 70.00th=[ 39060], 80.00th=[ 50070], 90.00th=[ 67634], 95.00th=[ 82314], | 99.00th=[126354], 99.50th=[152044], 99.90th=[217056], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 20, max= 144, per=25.15%, avg=66.65, stdev=21.93, samples=185 iops : min= 5, max= 36, avg=16.05, stdev= 5.53, samples=185 lat (usec) : 50=0.33%, 100=2.93%, 250=1.04%, 500=0.23%, 750=0.16% lat (usec) : 1000=0.07% lat (msec) : 2=2.31%, 4=5.92%, 10=8.01%, 20=17.25%, 50=44.24% lat (msec) : 100=16.02%, 250=1.43%, 500=0.03%, 750=0.03% cpu : usr=0.12%, sys=9.81%, ctx=7513, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145434: Sun Jun 7 14:15:20 2026 read: IOPS=16, BW=64.9KiB/s (66.4kB/s)(6052KiB/93291msec) clat (usec): min=35, max=298182, avg=29251.92, stdev=19649.52 lat (usec): min=35, max=298184, avg=29253.37, stdev=19649.63 clat percentiles (usec): | 1.00th=[ 60], 5.00th=[ 91], 10.00th=[ 9634], 20.00th=[ 15664], | 30.00th=[ 19530], 40.00th=[ 22938], 50.00th=[ 26346], 60.00th=[ 30016], | 70.00th=[ 35390], 80.00th=[ 42206], 90.00th=[ 54264], 95.00th=[ 61080], | 99.00th=[ 86508], 99.50th=[102237], 99.90th=[141558], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 7, max= 127, per=25.73%, avg=65.09, stdev=22.91, samples=183 iops : min= 1, max= 31, avg=15.65, stdev= 5.76, samples=183 write: IOPS=16, BW=66.8KiB/s (68.4kB/s)(6236KiB/93291msec); 0 zone resets clat (usec): min=1072, max=842830, avg=31239.57, stdev=36304.03 lat (usec): min=1074, max=842833, avg=31243.99, stdev=36305.38 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 2180], 10.00th=[ 3097], 20.00th=[ 5145], | 30.00th=[ 8455], 40.00th=[ 15795], 50.00th=[ 24249], 60.00th=[ 30540], | 70.00th=[ 40109], 80.00th=[ 51119], 90.00th=[ 69731], 95.00th=[ 85459], | 99.00th=[141558], 99.50th=[175113], 99.90th=[254804], 99.95th=[843056], | 99.99th=[843056] bw ( KiB/s): min= 7, max= 127, per=25.14%, avg=66.63, stdev=23.36, samples=184 iops : min= 1, max= 31, avg=16.04, stdev= 5.86, samples=184 lat (usec) : 50=0.23%, 100=2.86%, 250=1.07%, 500=0.16%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=2.12%, 4=5.63%, 10=9.28%, 20=16.73%, 50=44.99% lat (msec) : 100=15.07%, 250=1.63%, 500=0.07%, 1000=0.03% cpu : usr=0.12%, sys=9.64%, ctx=7435, 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=254KiB/s (260kB/s), 62.8KiB/s-64.9KiB/s (64.3kB/s-66.4kB/s), io=23.4MiB (24.6MB), run=92621-94567msec WRITE: bw=266KiB/s (272kB/s), 66.8KiB/s-67.0KiB/s (68.4kB/s-69.6kB/s), io=24.6MiB (25.7MB), run=92621-94567msec fio: pid=145429, err=5/file:backend.c:481, func=full resid, error=Input/output error rand-rw: (groupid=0, jobs=1): err= 0: pid=145426: Sun Jun 7 14:17:04 2026 read: IOPS=7, BW=30.2KiB/s (30.9kB/s)(5992KiB/198382msec) clat (msec): min=6, max=670, avg=28.12, stdev=28.69 lat (msec): min=6, max=670, avg=28.12, stdev=28.69 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 38], 90.00th=[ 57], 95.00th=[ 74], | 99.00th=[ 122], 99.50th=[ 146], 99.90th=[ 241], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 7, max= 112, per=28.60%, avg=30.88, stdev=18.93, samples=378 iops : min= 1, max= 28, avg= 7.11, stdev= 4.78, samples=378 write: IOPS=7, BW=31.7KiB/s (32.5kB/s)(6296KiB/198382msec); 0 zone resets clat (msec): min=36, max=378, avg=99.06, stdev=39.21 lat (msec): min=36, max=378, avg=99.07, stdev=39.21 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 52], 10.00th=[ 59], 20.00th=[ 68], | 30.00th=[ 75], 40.00th=[ 83], 50.00th=[ 91], 60.00th=[ 101], | 70.00th=[ 112], 80.00th=[ 127], 90.00th=[ 150], 95.00th=[ 171], | 99.00th=[ 230], 99.50th=[ 245], 99.90th=[ 334], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 7, max= 63, per=27.43%, avg=31.27, stdev=11.38, samples=392 iops : min= 1, max= 15, avg= 7.21, stdev= 2.91, samples=392 lat (msec) : 10=3.68%, 20=21.06%, 50=20.05%, 100=33.92%, 250=21.03% lat (msec) : 500=0.23%, 750=0.03% cpu : usr=0.06%, sys=2.31%, ctx=5773, 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=145427: Sun Jun 7 14:17:04 2026 read: IOPS=7, BW=30.1KiB/s (30.8kB/s)(5940KiB/197641msec) clat (msec): min=5, max=771, avg=28.58, stdev=32.37 lat (msec): min=5, max=771, avg=28.58, stdev=32.37 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 38], 90.00th=[ 56], 95.00th=[ 72], | 99.00th=[ 140], 99.50th=[ 159], 99.90th=[ 363], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 7, max= 104, per=29.06%, avg=31.38, stdev=19.17, samples=368 iops : min= 1, max= 26, avg= 7.23, stdev= 4.84, samples=368 write: IOPS=8, BW=32.1KiB/s (32.9kB/s)(6348KiB/197641msec); 0 zone resets clat (msec): min=38, max=340, avg=97.58, stdev=37.45 lat (msec): min=38, max=340, avg=97.58, stdev=37.45 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 53], 10.00th=[ 59], 20.00th=[ 67], | 30.00th=[ 75], 40.00th=[ 83], 50.00th=[ 90], 60.00th=[ 99], | 70.00th=[ 109], 80.00th=[ 125], 90.00th=[ 146], 95.00th=[ 169], | 99.00th=[ 224], 99.50th=[ 247], 99.90th=[ 321], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 7, max= 63, per=27.69%, avg=31.57, stdev=11.50, samples=391 iops : min= 1, max= 15, avg= 7.28, stdev= 2.93, samples=391 lat (msec) : 10=3.35%, 20=21.58%, 50=19.14%, 100=35.29%, 250=20.41% lat (msec) : 500=0.20%, 1000=0.03% cpu : usr=0.07%, sys=2.26%, ctx=5655, 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=145428: Sun Jun 7 14:17:04 2026 read: IOPS=7, BW=30.7KiB/s (31.4kB/s)(6028KiB/196518msec) clat (msec): min=4, max=383, avg=28.36, stdev=26.42 lat (msec): min=4, max=383, avg=28.37, stdev=26.42 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 24], | 70.00th=[ 30], 80.00th=[ 39], 90.00th=[ 57], 95.00th=[ 69], | 99.00th=[ 136], 99.50th=[ 188], 99.90th=[ 251], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 7, max= 95, per=28.92%, avg=31.23, stdev=20.08, samples=376 iops : min= 1, max= 23, avg= 7.20, stdev= 5.05, samples=376 write: IOPS=7, BW=31.9KiB/s (32.6kB/s)(6260KiB/196518msec); 0 zone resets clat (msec): min=36, max=805, avg=98.01, stdev=42.82 lat (msec): min=36, max=805, avg=98.02, stdev=42.82 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 59], 20.00th=[ 67], | 30.00th=[ 73], 40.00th=[ 81], 50.00th=[ 89], 60.00th=[ 99], | 70.00th=[ 110], 80.00th=[ 124], 90.00th=[ 150], 95.00th=[ 171], | 99.00th=[ 232], 99.50th=[ 262], 99.90th=[ 384], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 7, max= 62, per=27.54%, avg=31.40, stdev=11.86, samples=388 iops : min= 1, max= 15, avg= 7.24, stdev= 3.03, samples=388 lat (msec) : 10=4.04%, 20=20.08%, 50=19.89%, 100=35.71%, 250=19.92% lat (msec) : 500=0.33%, 1000=0.03% cpu : usr=0.06%, sys=2.30%, ctx=5684, 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= 5 (file:backend.c:481, func=full resid, error=Input/output error): pid=145429: Sun Jun 7 14:17:04 2026 read: IOPS=6, BW=26.8KiB/s (27.4kB/s)(3636KiB/135694msec) clat (msec): min=5, max=333, avg=34.60, stdev=29.86 lat (msec): min=5, max=333, avg=34.60, stdev=29.86 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 31], | 70.00th=[ 39], 80.00th=[ 50], 90.00th=[ 69], 95.00th=[ 89], | 99.00th=[ 138], 99.50th=[ 211], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 7, max= 112, per=26.30%, avg=28.40, stdev=17.29, samples=248 iops : min= 1, max= 28, avg= 6.49, stdev= 4.41, samples=248 write: IOPS=6, BW=27.7KiB/s (28.3kB/s)(3752KiB/135694msec); 0 zone resets clat (msec): min=28, max=872, avg=110.80, stdev=48.00 lat (msec): min=28, max=872, avg=110.80, stdev=48.00 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 58], 10.00th=[ 66], 20.00th=[ 78], | 30.00th=[ 86], 40.00th=[ 94], 50.00th=[ 104], 60.00th=[ 113], | 70.00th=[ 125], 80.00th=[ 138], 90.00th=[ 165], 95.00th=[ 188], | 99.00th=[ 253], 99.50th=[ 259], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 7, max= 56, per=23.84%, avg=27.18, stdev=10.15, samples=267 iops : min= 1, max= 14, avg= 6.18, stdev= 2.58, samples=267 lat (msec) : 10=1.84%, 20=16.83%, 50=21.65%, 100=30.84%, 250=28.19% lat (msec) : 500=0.54%, 1000=0.05% cpu : usr=0.05%, sys=2.25%, ctx=3046, majf=0, minf=22 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=910,938,0,0 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=109KiB/s (111kB/s), 26.8KiB/s-30.7KiB/s (27.4kB/s-31.4kB/s), io=21.1MiB (22.1MB), run=135694-198382msec WRITE: bw=114KiB/s (117kB/s), 27.7KiB/s-32.1KiB/s (28.3kB/s-32.9kB/s), io=22.1MiB (23.2MB), run=135694-198382msec 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=145483: Sun Jun 7 14:17:34 2026 read: IOPS=17, BW=283KiB/s (290kB/s)(5920KiB/20905msec) clat (usec): min=38, max=258016, avg=29908.39, stdev=28461.60 lat (usec): min=38, max=258017, avg=29931.64, stdev=28499.93 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 68], 10.00th=[ 84], 20.00th=[ 151], | 30.00th=[ 18744], 40.00th=[ 23462], 50.00th=[ 27132], 60.00th=[ 31589], | 70.00th=[ 37487], 80.00th=[ 44827], 90.00th=[ 55837], 95.00th=[ 69731], | 99.00th=[152044], 99.50th=[235930], 99.90th=[258999], 99.95th=[258999], | 99.99th=[258999] bw ( KiB/s): min= 59, max= 448, per=25.74%, avg=281.56, stdev=82.08, samples=41 iops : min= 3, max= 28, avg=16.88, stdev= 5.21, samples=41 write: IOPS=19, BW=305KiB/s (312kB/s)(6368KiB/20905msec); 0 zone resets clat (usec): min=1670, max=190628, avg=24253.24, stdev=23596.33 lat (usec): min=1674, max=190630, avg=24255.97, stdev=23596.35 clat percentiles (usec): | 1.00th=[ 1811], 5.00th=[ 2507], 10.00th=[ 3687], 20.00th=[ 5604], | 30.00th=[ 7308], 40.00th=[ 10421], 50.00th=[ 16581], 60.00th=[ 22938], | 70.00th=[ 31327], 80.00th=[ 41681], 90.00th=[ 58459], 95.00th=[ 65799], | 99.00th=[ 93848], 99.50th=[152044], 99.90th=[189793], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 63, max= 480, per=26.40%, avg=303.83, stdev=99.23, samples=41 iops : min= 3, max= 30, avg=18.29, stdev= 6.32, samples=41 lat (usec) : 50=0.39%, 100=6.77%, 250=3.12%, 500=0.13%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=1.56%, 4=5.34%, 10=14.06%, 20=11.85%, 50=41.41% lat (msec) : 100=13.93%, 250=1.04%, 500=0.13% cpu : usr=0.13%, sys=11.28%, ctx=1687, 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=145484: Sun Jun 7 14:17:34 2026 read: IOPS=17, BW=274KiB/s (280kB/s)(5744KiB/20975msec) clat (usec): min=41, max=173909, avg=30340.96, stdev=22654.68 lat (usec): min=41, max=173912, avg=30342.34, stdev=22654.73 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 64], 10.00th=[ 81], 20.00th=[ 13435], | 30.00th=[ 21365], 40.00th=[ 24773], 50.00th=[ 28181], 60.00th=[ 32900], | 70.00th=[ 39060], 80.00th=[ 44827], 90.00th=[ 55313], 95.00th=[ 65274], | 99.00th=[ 93848], 99.50th=[135267], 99.90th=[173016], 99.95th=[173016], | 99.99th=[173016] bw ( KiB/s): min= 63, max= 505, per=24.82%, avg=271.56, stdev=94.39, samples=41 iops : min= 3, max= 31, avg=16.27, stdev= 5.96, samples=41 write: IOPS=19, BW=312KiB/s (319kB/s)(6544KiB/20975msec); 0 zone resets clat (usec): min=1562, max=121534, avg=24271.32, stdev=23435.42 lat (usec): min=1562, max=121537, avg=24275.31, stdev=23435.24 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 11], 50.00th=[ 16], 60.00th=[ 23], | 70.00th=[ 31], 80.00th=[ 44], 90.00th=[ 58], 95.00th=[ 72], | 99.00th=[ 105], 99.50th=[ 110], 99.90th=[ 122], 99.95th=[ 122], | 99.99th=[ 122] bw ( KiB/s): min= 94, max= 573, per=26.85%, avg=309.02, stdev=97.61, samples=41 iops : min= 5, max= 35, avg=18.61, stdev= 6.16, samples=41 lat (usec) : 50=0.26%, 100=5.34%, 250=2.47%, 500=0.65% lat (msec) : 2=0.52%, 4=6.77%, 10=13.93%, 20=13.15%, 50=42.84% lat (msec) : 100=13.02%, 250=1.04% cpu : usr=0.12%, sys=11.48%, ctx=1754, 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=145485: Sun Jun 7 14:17:34 2026 read: IOPS=17, BW=286KiB/s (293kB/s)(6256KiB/21891msec) clat (usec): min=43, max=195726, avg=30138.32, stdev=24955.23 lat (usec): min=43, max=195729, avg=30140.26, stdev=24954.97 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 67], 10.00th=[ 86], 20.00th=[ 285], | 30.00th=[ 19530], 40.00th=[ 23462], 50.00th=[ 28967], 60.00th=[ 32375], | 70.00th=[ 38011], 80.00th=[ 45876], 90.00th=[ 56361], 95.00th=[ 73925], | 99.00th=[114820], 99.50th=[130548], 99.90th=[196084], 99.95th=[196084], | 99.99th=[196084] bw ( KiB/s): min= 127, max= 569, per=26.09%, avg=285.47, stdev=88.29, samples=43 iops : min= 7, max= 35, avg=17.14, stdev= 5.55, samples=43 write: IOPS=17, BW=276KiB/s (282kB/s)(6032KiB/21891msec); 0 zone resets clat (usec): min=1908, max=231674, avg=26631.19, stdev=28000.26 lat (usec): min=1913, max=231678, avg=26636.51, stdev=27999.65 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 11], 50.00th=[ 18], 60.00th=[ 26], | 70.00th=[ 36], 80.00th=[ 45], 90.00th=[ 60], 95.00th=[ 75], | 99.00th=[ 138], 99.50th=[ 186], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 31, max= 632, per=23.45%, avg=269.86, stdev=118.96, samples=43 iops : min= 1, max= 39, avg=16.16, stdev= 7.49, samples=43 lat (usec) : 50=0.78%, 100=5.73%, 250=3.65%, 500=0.52%, 1000=0.13% lat (msec) : 2=0.26%, 4=5.73%, 10=13.54%, 20=11.72%, 50=42.71% lat (msec) : 100=13.28%, 250=1.95% cpu : usr=0.11%, sys=10.77%, ctx=1698, 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=145486: Sun Jun 7 14:17:34 2026 read: IOPS=18, BW=295KiB/s (302kB/s)(6032KiB/20473msec) clat (usec): min=36, max=142286, avg=29128.64, stdev=22757.04 lat (usec): min=36, max=142288, avg=29130.22, stdev=22756.88 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 64], 10.00th=[ 82], 20.00th=[ 192], | 30.00th=[ 19530], 40.00th=[ 23462], 50.00th=[ 27132], 60.00th=[ 32375], | 70.00th=[ 39060], 80.00th=[ 45351], 90.00th=[ 54789], 95.00th=[ 64750], | 99.00th=[127402], 99.50th=[130548], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 155, max= 539, per=26.74%, avg=292.55, stdev=79.25, samples=40 iops : min= 9, max= 33, avg=17.60, stdev= 4.98, samples=40 write: IOPS=19, BW=306KiB/s (313kB/s)(6256KiB/20473msec); 0 zone resets clat (usec): min=1673, max=148409, avg=23839.76, stdev=26871.53 lat (usec): min=1675, max=148413, avg=23845.51, stdev=26871.18 clat percentiles (usec): | 1.00th=[ 1909], 5.00th=[ 2671], 10.00th=[ 3523], 20.00th=[ 5080], | 30.00th=[ 6783], 40.00th=[ 9372], 50.00th=[ 13435], 60.00th=[ 19006], | 70.00th=[ 26608], 80.00th=[ 38536], 90.00th=[ 58459], 95.00th=[ 82314], | 99.00th=[133694], 99.50th=[145753], 99.90th=[147850], 99.95th=[147850], | 99.99th=[147850] bw ( KiB/s): min= 63, max= 664, per=26.57%, avg=305.88, stdev=117.97, samples=40 iops : min= 3, max= 41, avg=18.45, stdev= 7.56, samples=40 lat (usec) : 50=0.91%, 100=6.12%, 250=3.12%, 500=0.26%, 1000=0.13% lat (msec) : 2=0.91%, 4=5.73%, 10=15.63%, 20=13.54%, 50=38.93% lat (msec) : 100=12.76%, 250=1.95% cpu : usr=0.12%, sys=10.99%, ctx=1614, 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=1094KiB/s (1120kB/s), 274KiB/s-295KiB/s (280kB/s-302kB/s), io=23.4MiB (24.5MB), run=20473-21891msec WRITE: bw=1151KiB/s (1179kB/s), 276KiB/s-312KiB/s (282kB/s-319kB/s), io=24.6MiB (25.8MB), run=20473-21891msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145488: Sun Jun 7 14:18:03 2026 read: IOPS=7, BW=121KiB/s (124kB/s)(5920KiB/48987msec) clat (msec): min=7, max=236, avg=30.44, stdev=28.83 lat (msec): min=7, max=236, avg=30.45, stdev=28.82 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 38], 90.00th=[ 55], 95.00th=[ 92], | 99.00th=[ 163], 99.50th=[ 182], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 31, max= 415, per=25.89%, avg=125.29, stdev=77.37, samples=93 iops : min= 1, max= 25, avg= 7.14, stdev= 4.86, samples=93 write: IOPS=8, BW=130KiB/s (133kB/s)(6368KiB/48987msec); 0 zone resets clat (msec): min=29, max=304, avg=94.58, stdev=46.13 lat (msec): min=29, max=304, avg=94.59, stdev=46.13 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 48], 10.00th=[ 54], 20.00th=[ 61], | 30.00th=[ 67], 40.00th=[ 75], 50.00th=[ 82], 60.00th=[ 90], | 70.00th=[ 102], 80.00th=[ 122], 90.00th=[ 159], 95.00th=[ 199], | 99.00th=[ 284], 99.50th=[ 296], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 31, max= 256, per=25.51%, avg=129.85, stdev=57.25, samples=97 iops : min= 1, max= 16, avg= 7.42, stdev= 3.65, samples=97 lat (msec) : 10=2.73%, 20=19.27%, 50=24.22%, 100=35.42%, 250=17.84% lat (msec) : 500=0.52% cpu : usr=0.08%, sys=2.87%, ctx=1606, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145489: Sun Jun 7 14:18:03 2026 read: IOPS=7, BW=116KiB/s (119kB/s)(5744KiB/49440msec) clat (msec): min=6, max=271, avg=29.77, stdev=27.26 lat (msec): min=6, max=271, avg=29.77, stdev=27.26 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 30], 80.00th=[ 40], 90.00th=[ 57], 95.00th=[ 73], | 99.00th=[ 163], 99.50th=[ 178], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 24, max= 352, per=26.47%, avg=128.10, stdev=76.65, samples=89 iops : min= 1, max= 22, avg= 7.33, stdev= 4.81, samples=89 write: IOPS=8, BW=132KiB/s (136kB/s)(6544KiB/49440msec); 0 zone resets clat (msec): min=37, max=282, avg=94.57, stdev=46.18 lat (msec): min=37, max=282, avg=94.57, stdev=46.18 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 48], 10.00th=[ 53], 20.00th=[ 59], | 30.00th=[ 66], 40.00th=[ 74], 50.00th=[ 81], 60.00th=[ 90], | 70.00th=[ 103], 80.00th=[ 125], 90.00th=[ 167], 95.00th=[ 188], | 99.00th=[ 259], 99.50th=[ 271], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 31, max= 255, per=25.94%, avg=132.04, stdev=58.53, samples=98 iops : min= 1, max= 15, avg= 7.55, stdev= 3.70, samples=98 lat (msec) : 10=2.60%, 20=17.84%, 50=24.74%, 100=36.85%, 250=17.06% lat (msec) : 500=0.91% cpu : usr=0.06%, sys=2.68%, ctx=1503, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145490: Sun Jun 7 14:18:03 2026 read: IOPS=8, BW=131KiB/s (134kB/s)(6256KiB/47866msec) clat (msec): min=6, max=238, avg=29.30, stdev=23.75 lat (msec): min=6, max=238, avg=29.31, stdev=23.75 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 24], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 39], 90.00th=[ 55], 95.00th=[ 75], | 99.00th=[ 150], 99.50th=[ 178], 99.90th=[ 239], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 31, max= 383, per=28.44%, avg=137.64, stdev=85.75, samples=90 iops : min= 1, max= 23, avg= 7.90, stdev= 5.40, samples=90 write: IOPS=7, BW=126KiB/s (129kB/s)(6032KiB/47866msec); 0 zone resets clat (msec): min=32, max=346, avg=96.38, stdev=49.05 lat (msec): min=32, max=346, avg=96.39, stdev=49.05 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 46], 10.00th=[ 52], 20.00th=[ 61], | 30.00th=[ 67], 40.00th=[ 73], 50.00th=[ 80], 60.00th=[ 93], | 70.00th=[ 107], 80.00th=[ 125], 90.00th=[ 167], 95.00th=[ 192], | 99.00th=[ 271], 99.50th=[ 284], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 31, max= 255, per=24.66%, avg=125.52, stdev=55.63, samples=94 iops : min= 1, max= 15, avg= 7.14, stdev= 3.55, samples=94 lat (msec) : 10=2.60%, 20=18.10%, 50=28.26%, 100=32.81%, 250=17.19% lat (msec) : 500=1.04% cpu : usr=0.07%, sys=2.78%, ctx=1614, 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=145491: Sun Jun 7 14:18:03 2026 read: IOPS=7, BW=127KiB/s (130kB/s)(6032KiB/47623msec) clat (msec): min=7, max=216, avg=30.47, stdev=27.21 lat (msec): min=7, max=216, avg=30.48, stdev=27.21 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 28], | 70.00th=[ 32], 80.00th=[ 39], 90.00th=[ 63], 95.00th=[ 91], | 99.00th=[ 140], 99.50th=[ 165], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 31, max= 383, per=27.05%, avg=130.94, stdev=83.59, samples=90 iops : min= 1, max= 23, avg= 7.48, stdev= 5.28, samples=90 write: IOPS=8, BW=131KiB/s (135kB/s)(6256KiB/47623msec); 0 zone resets clat (msec): min=34, max=287, avg=92.30, stdev=46.43 lat (msec): min=34, max=287, avg=92.30, stdev=46.43 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 45], 10.00th=[ 51], 20.00th=[ 58], | 30.00th=[ 64], 40.00th=[ 71], 50.00th=[ 79], 60.00th=[ 88], | 70.00th=[ 102], 80.00th=[ 117], 90.00th=[ 161], 95.00th=[ 197], | 99.00th=[ 251], 99.50th=[ 264], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 31, max= 256, per=25.78%, avg=131.20, stdev=59.90, samples=94 iops : min= 1, max= 16, avg= 7.49, stdev= 3.82, samples=94 lat (msec) : 10=3.12%, 20=18.23%, 50=26.43%, 100=34.38%, 250=17.32% lat (msec) : 500=0.52% cpu : usr=0.07%, sys=2.79%, ctx=1590, 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=484KiB/s (496kB/s), 116KiB/s-131KiB/s (119kB/s-134kB/s), io=23.4MiB (24.5MB), run=47623-49440msec WRITE: bw=510KiB/s (522kB/s), 126KiB/s-132KiB/s (129kB/s-136kB/s), io=24.6MiB (25.8MB), run=47623-49440msec 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=145503: Sun Jun 7 14:18:12 2026 read: IOPS=2, BW=2286KiB/s (2341kB/s)(7168KiB/3136msec) clat (usec): min=683, max=416857, avg=202823.86, stdev=142291.15 lat (usec): min=684, max=416859, avg=202825.44, stdev=142291.18 clat percentiles (usec): | 1.00th=[ 685], 5.00th=[ 685], 10.00th=[ 685], 20.00th=[128451], | 30.00th=[137364], 40.00th=[137364], 50.00th=[149947], 60.00th=[238027], | 70.00th=[238027], 80.00th=[346031], 90.00th=[417334], 95.00th=[417334], | 99.00th=[417334], 99.50th=[417334], 99.90th=[417334], 99.95th=[417334], | 99.99th=[417334] bw ( KiB/s): min= 1780, max= 5785, per=44.78%, avg=2883.00, stdev=1937.65, samples=4 iops : min= 1, max= 5, avg= 2.00, stdev= 2.00, samples=4 write: IOPS=1, BW=1633KiB/s (1672kB/s)(5120KiB/3136msec); 0 zone resets clat (msec): min=231, max=598, avg=338.20, stdev=152.47 lat (msec): min=231, max=598, avg=338.30, stdev=152.47 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 232], | 30.00th=[ 239], 40.00th=[ 239], 50.00th=[ 279], 60.00th=[ 279], | 70.00th=[ 347], 80.00th=[ 347], 90.00th=[ 600], 95.00th=[ 600], | 99.00th=[ 600], 99.50th=[ 600], 99.90th=[ 600], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 1780, max= 4087, per=28.81%, avg=2597.00, stdev=1292.39, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=50.00%, 500=33.33%, 750=8.33% cpu : usr=0.00%, sys=23.35%, ctx=300, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145504: Sun Jun 7 14:18:12 2026 read: IOPS=0, BW=667KiB/s (683kB/s)(2048KiB/3069msec) clat (msec): min=136, max=263, avg=199.72, stdev=89.96 lat (msec): min=136, max=263, avg=199.72, stdev=89.96 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 136], | 30.00th=[ 136], 40.00th=[ 136], 50.00th=[ 136], 60.00th=[ 264], | 70.00th=[ 264], 80.00th=[ 264], 90.00th=[ 264], 95.00th=[ 264], | 99.00th=[ 264], 99.50th=[ 264], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 1939, max= 2011, per=30.68%, avg=1975.00, stdev=50.91, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3337KiB/s (3417kB/s)(10.0MiB/3069msec); 0 zone resets clat (msec): min=116, max=431, avg=257.20, stdev=106.71 lat (msec): min=116, max=431, avg=257.30, stdev=106.71 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 171], | 30.00th=[ 182], 40.00th=[ 188], 50.00th=[ 209], 60.00th=[ 213], | 70.00th=[ 317], 80.00th=[ 359], 90.00th=[ 384], 95.00th=[ 430], | 99.00th=[ 430], 99.50th=[ 430], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 2011, max= 5774, per=37.14%, avg=3347.25, stdev=1772.14, samples=4 iops : min= 1, max= 5, avg= 2.50, stdev= 1.91, samples=4 lat (msec) : 250=58.33%, 500=41.67% cpu : usr=0.00%, sys=27.02%, ctx=190, 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=145505: Sun Jun 7 14:18:12 2026 read: IOPS=1, BW=2020KiB/s (2068kB/s)(6144KiB/3042msec) clat (usec): min=768, max=326977, avg=190068.61, stdev=148370.80 lat (usec): min=769, max=326978, avg=190070.03, stdev=148371.21 clat percentiles (usec): | 1.00th=[ 766], 5.00th=[ 766], 10.00th=[ 766], 20.00th=[ 2024], | 30.00th=[ 2024], 40.00th=[246416], 50.00th=[246416], 60.00th=[283116], | 70.00th=[283116], 80.00th=[283116], 90.00th=[325059], 95.00th=[325059], | 99.00th=[325059], 99.50th=[325059], 99.90th=[325059], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 1924, max= 6035, per=51.79%, avg=3334.00, stdev=2339.89, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 write: IOPS=1, BW=2020KiB/s (2068kB/s)(6144KiB/3042msec); 0 zone resets clat (msec): min=121, max=659, avg=298.72, stdev=197.78 lat (msec): min=121, max=659, avg=298.87, stdev=197.74 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 153], | 30.00th=[ 153], 40.00th=[ 236], 50.00th=[ 236], 60.00th=[ 249], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 659], 95.00th=[ 659], | 99.00th=[ 659], 99.50th=[ 659], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 1924, max= 4023, per=36.76%, avg=3313.00, stdev=1203.01, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 lat (usec) : 1000=8.33% lat (msec) : 4=8.33%, 250=41.67%, 500=33.33%, 750=8.33% cpu : usr=0.10%, sys=20.62%, ctx=157, 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=145506: Sun Jun 7 14:18:12 2026 read: IOPS=1, BW=1610KiB/s (1648kB/s)(5120KiB/3181msec) clat (usec): min=509, max=445382, avg=156809.12, stdev=182957.76 lat (usec): min=510, max=445383, avg=156810.30, stdev=182957.55 clat percentiles (usec): | 1.00th=[ 510], 5.00th=[ 510], 10.00th=[ 510], 20.00th=[ 510], | 30.00th=[ 611], 40.00th=[ 611], 50.00th=[141558], 60.00th=[141558], | 70.00th=[196084], 80.00th=[196084], 90.00th=[446694], 95.00th=[446694], | 99.00th=[446694], 99.50th=[446694], 99.90th=[446694], 99.95th=[446694], | 99.99th=[446694] bw ( KiB/s): min= 8047, max= 8047, per=100.00%, avg=8047.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2253KiB/s (2307kB/s)(7168KiB/3181msec); 0 zone resets clat (msec): min=171, max=576, avg=335.41, stdev=157.91 lat (msec): min=171, max=576, avg=335.78, stdev=158.22 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 230], | 30.00th=[ 249], 40.00th=[ 249], 50.00th=[ 284], 60.00th=[ 296], | 70.00th=[ 296], 80.00th=[ 542], 90.00th=[ 575], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 1924, max= 3561, per=25.68%, avg=2314.80, stdev=698.20, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (usec) : 750=16.67% lat (msec) : 250=41.67%, 500=25.00%, 750=16.67% cpu : usr=0.00%, sys=22.30%, ctx=205, 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=6438KiB/s (6593kB/s), 667KiB/s-2286KiB/s (683kB/s-2341kB/s), io=20.0MiB (20.0MB), run=3042-3181msec WRITE: bw=9014KiB/s (9230kB/s), 1633KiB/s-3337KiB/s (1672kB/s-3417kB/s), io=28.0MiB (29.4MB), run=3042-3181msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145509: Sun Jun 7 14:18:14 2026 read: IOPS=1, BW=1964KiB/s (2012kB/s)(7168KiB/3649msec) clat (msec): min=86, max=723, avg=299.82, stdev=257.35 lat (msec): min=86, max=723, avg=299.82, stdev=257.35 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 87], 10.00th=[ 87], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 101], 50.00th=[ 140], 60.00th=[ 468], | 70.00th=[ 468], 80.00th=[ 489], 90.00th=[ 726], 95.00th=[ 726], | 99.00th=[ 726], 99.50th=[ 726], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 2039, max= 4023, per=54.60%, avg=3006.25, stdev=1112.57, samples=4 iops : min= 1, max= 3, avg= 2.25, stdev= 0.96, samples=4 write: IOPS=1, BW=1403KiB/s (1437kB/s)(5120KiB/3649msec); 0 zone resets clat (msec): min=138, max=405, avg=220.91, stdev=107.77 lat (msec): min=138, max=405, avg=221.07, stdev=107.78 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 138], | 30.00th=[ 150], 40.00th=[ 150], 50.00th=[ 197], 60.00th=[ 197], | 70.00th=[ 215], 80.00th=[ 215], 90.00th=[ 405], 95.00th=[ 405], | 99.00th=[ 405], 99.50th=[ 405], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 2011, max= 4096, per=44.08%, avg=3398.00, stdev=1201.19, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 lat (msec) : 100=16.67%, 250=50.00%, 500=25.00%, 750=8.33% cpu : usr=0.05%, sys=6.28%, ctx=90, 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=145510: Sun Jun 7 14:18:14 2026 read: IOPS=0, BW=594KiB/s (609kB/s)(2048KiB/3445msec) clat (msec): min=144, max=204, avg=174.45, stdev=42.78 lat (msec): min=144, max=204, avg=174.45, stdev=42.78 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 144], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 144], 60.00th=[ 205], | 70.00th=[ 205], 80.00th=[ 205], 90.00th=[ 205], 95.00th=[ 205], | 99.00th=[ 205], 99.50th=[ 205], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 1542, max= 2011, per=32.26%, avg=1776.50, stdev=331.63, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2972KiB/s (3044kB/s)(10.0MiB/3445msec); 0 zone resets clat (msec): min=134, max=434, avg=280.56, stdev=92.90 lat (msec): min=134, max=434, avg=280.70, stdev=92.90 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 205], | 30.00th=[ 211], 40.00th=[ 220], 50.00th=[ 284], 60.00th=[ 284], | 70.00th=[ 305], 80.00th=[ 321], 90.00th=[ 409], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 2011, max= 4096, per=41.49%, avg=3198.60, stdev=1069.76, samples=5 iops : min= 1, max= 4, avg= 2.60, stdev= 1.14, samples=5 lat (msec) : 250=50.00%, 500=50.00% cpu : usr=0.00%, sys=8.36%, ctx=116, 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=145511: Sun Jun 7 14:18:14 2026 read: IOPS=1, BW=1652KiB/s (1692kB/s)(6144KiB/3719msec) clat (msec): min=83, max=199, avg=132.84, stdev=44.29 lat (msec): min=83, max=199, avg=132.85, stdev=44.29 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 84], 10.00th=[ 84], 20.00th=[ 102], | 30.00th=[ 102], 40.00th=[ 104], 50.00th=[ 104], 60.00th=[ 155], | 70.00th=[ 157], 80.00th=[ 157], 90.00th=[ 201], 95.00th=[ 201], | 99.00th=[ 201], 99.50th=[ 201], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 2048, max= 4087, per=61.50%, avg=3386.00, stdev=1159.18, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 write: IOPS=1, BW=1652KiB/s (1692kB/s)(6144KiB/3719msec); 0 zone resets clat (msec): min=106, max=1081, avg=406.18, stdev=342.08 lat (msec): min=107, max=1081, avg=406.29, stdev=342.07 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 107], 10.00th=[ 107], 20.00th=[ 284], | 30.00th=[ 284], 40.00th=[ 300], 50.00th=[ 300], 60.00th=[ 300], | 70.00th=[ 372], 80.00th=[ 372], 90.00th=[ 1083], 95.00th=[ 1083], | 99.00th=[ 1083], 99.50th=[ 1083], 99.90th=[ 1083], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 1957, max= 4096, per=39.48%, avg=3043.75, stdev=1205.75, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 100=8.33%, 250=50.00%, 500=33.33%, 2000=8.33% cpu : usr=0.00%, sys=6.99%, ctx=81, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=145512: Sun Jun 7 14:18:14 2026 read: IOPS=1, BW=1400KiB/s (1434kB/s)(5120KiB/3657msec) clat (msec): min=56, max=226, avg=128.56, stdev=65.13 lat (msec): min=56, max=226, avg=128.56, stdev=65.13 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 57], 10.00th=[ 57], 20.00th=[ 57], | 30.00th=[ 85], 40.00th=[ 85], 50.00th=[ 130], 60.00th=[ 130], | 70.00th=[ 144], 80.00th=[ 144], 90.00th=[ 228], 95.00th=[ 228], | 99.00th=[ 228], 99.50th=[ 228], 99.90th=[ 228], 99.95th=[ 228], | 99.99th=[ 228] bw ( KiB/s): min= 2011, max= 6131, per=73.94%, avg=4071.00, stdev=2913.28, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1960KiB/s (2007kB/s)(7168KiB/3657msec); 0 zone resets clat (msec): min=140, max=966, avg=372.32, stdev=290.60 lat (msec): min=140, max=966, avg=372.44, stdev=290.60 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 142], 10.00th=[ 142], 20.00th=[ 182], | 30.00th=[ 211], 40.00th=[ 211], 50.00th=[ 275], 60.00th=[ 309], | 70.00th=[ 309], 80.00th=[ 527], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 1957, max= 6144, per=45.93%, avg=3540.75, stdev=1980.99, samples=4 iops : min= 1, max= 6, avg= 2.75, stdev= 2.36, samples=4 lat (msec) : 100=16.67%, 250=50.00%, 500=16.67%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=7.17%, ctx=114, 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=5507KiB/s (5639kB/s), 594KiB/s-1964KiB/s (609kB/s-2012kB/s), io=20.0MiB (20.0MB), run=3445-3719msec WRITE: bw=7710KiB/s (7895kB/s), 1403KiB/s-2972KiB/s (1437kB/s-3044kB/s), io=28.0MiB (29.4MB), run=3445-3719msec 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=145518: Sun Jun 7 14:18:24 2026 read: IOPS=1, BW=7173KiB/s (7346kB/s)(12.0MiB/1713msec) clat (msec): min=430, max=654, avg=542.35, stdev=111.96 lat (msec): min=430, max=654, avg=542.35, stdev=111.96 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 542], 50.00th=[ 542], 60.00th=[ 542], | 70.00th=[ 659], 80.00th=[ 659], 90.00th=[ 659], 95.00th=[ 659], | 99.00th=[ 659], 99.50th=[ 659], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 6340, max= 8047, per=100.00%, avg=7193.50, stdev=1207.03, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=66.67% cpu : usr=0.00%, sys=6.66%, ctx=66, 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=145519: Sun Jun 7 14:18:24 2026 read: IOPS=0, BW=1503KiB/s (1539kB/s)(4096KiB/2725msec) clat (nsec): min=1194.7M, max=1194.7M, avg=1194734879.00, stdev= 0.00 lat (nsec): min=1194.7M, max=1194.7M, avg=1194740093.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1200], 5.00th=[ 1200], 10.00th=[ 1200], 20.00th=[ 1200], | 30.00th=[ 1200], 40.00th=[ 1200], 50.00th=[ 1200], 60.00th=[ 1200], | 70.00th=[ 1200], 80.00th=[ 1200], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7922, max= 7922, per=100.00%, avg=7922.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3006KiB/s (3078kB/s)(8192KiB/2725msec); 0 zone resets clat (msec): min=454, max=965, avg=710.05, stdev=361.02 lat (msec): min=455, max=965, avg=710.51, stdev=361.10 clat percentiles (msec): | 1.00th=[ 456], 5.00th=[ 456], 10.00th=[ 456], 20.00th=[ 456], | 30.00th=[ 456], 40.00th=[ 456], 50.00th=[ 456], 60.00th=[ 969], | 70.00th=[ 969], 80.00th=[ 969], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 8192, max= 8192, per=68.13%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=5.43%, ctx=53, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145520: Sun Jun 7 14:18:24 2026 write: IOPS=1, BW=7918KiB/s (8108kB/s)(12.0MiB/1552msec); 0 zone resets clat (msec): min=290, max=737, avg=497.11, stdev=225.33 lat (msec): min=291, max=737, avg=497.80, stdev=225.18 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 464], 50.00th=[ 464], 60.00th=[ 464], | 70.00th=[ 735], 80.00th=[ 735], 90.00th=[ 735], 95.00th=[ 735], | 99.00th=[ 735], 99.50th=[ 735], 99.90th=[ 735], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 6159, max= 8047, per=59.07%, avg=7103.00, stdev=1335.02, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 750=33.33% cpu : usr=0.06%, sys=8.45%, ctx=30, 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=145521: Sun Jun 7 14:18:24 2026 write: IOPS=1, BW=6370KiB/s (6523kB/s)(12.0MiB/1929msec); 0 zone resets clat (msec): min=250, max=1320, avg=627.48, stdev=601.21 lat (msec): min=250, max=1321, avg=628.03, stdev=601.21 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 251], 10.00th=[ 251], 20.00th=[ 251], | 30.00th=[ 251], 40.00th=[ 313], 50.00th=[ 313], 60.00th=[ 313], | 70.00th=[ 1318], 80.00th=[ 1318], 90.00th=[ 1318], 95.00th=[ 1318], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min=12962, max=12962, per=100.00%, avg=12962.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=6.07%, ctx=59, 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=6012KiB/s (6157kB/s), 1503KiB/s-7173KiB/s (1539kB/s-7346kB/s), io=16.0MiB (16.8MB), run=1713-2725msec WRITE: bw=11.7MiB/s (12.3MB/s), 3006KiB/s-7918KiB/s (3078kB/s-8108kB/s), io=32.0MiB (33.6MB), run=1552-2725msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145523: Sun Jun 7 14:18:24 2026 read: IOPS=1, BW=5971KiB/s (6114kB/s)(12.0MiB/2058msec) clat (msec): min=524, max=894, avg=685.41, stdev=189.86 lat (msec): min=524, max=894, avg=685.41, stdev=189.86 clat percentiles (msec): | 1.00th=[ 527], 5.00th=[ 527], 10.00th=[ 527], 20.00th=[ 527], | 30.00th=[ 527], 40.00th=[ 634], 50.00th=[ 634], 60.00th=[ 634], | 70.00th=[ 894], 80.00th=[ 894], 90.00th=[ 894], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 6253, max= 8000, per=89.52%, avg=7126.50, stdev=1235.32, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 1000=33.33% cpu : usr=0.00%, sys=19.49%, ctx=425, 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=145524: Sun Jun 7 14:18:24 2026 read: IOPS=0, BW=2051KiB/s (2100kB/s)(4096KiB/1997msec) clat (nsec): min=718972k, max=718972k, avg=718972153.00, stdev= 0.00 lat (nsec): min=718974k, max=718974k, avg=718974002.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 718], 5.00th=[ 718], 10.00th=[ 718], 20.00th=[ 718], | 30.00th=[ 718], 40.00th=[ 718], 50.00th=[ 718], 60.00th=[ 718], | 70.00th=[ 718], 80.00th=[ 718], 90.00th=[ 718], 95.00th=[ 718], | 99.00th=[ 718], 99.50th=[ 718], 99.90th=[ 718], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 5550, max= 5550, per=69.71%, avg=5550.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=4102KiB/s (4201kB/s)(8192KiB/1997msec); 0 zone resets clat (msec): min=471, max=803, avg=637.36, stdev=234.93 lat (msec): min=472, max=804, avg=638.47, stdev=234.18 clat percentiles (msec): | 1.00th=[ 472], 5.00th=[ 472], 10.00th=[ 472], 20.00th=[ 472], | 30.00th=[ 472], 40.00th=[ 472], 50.00th=[ 472], 60.00th=[ 802], | 70.00th=[ 802], 80.00th=[ 802], 90.00th=[ 802], 95.00th=[ 802], | 99.00th=[ 802], 99.50th=[ 802], 99.90th=[ 802], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 8000, max= 8000, per=69.29%, avg=8000.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=12.78%, ctx=217, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145525: Sun Jun 7 14:18:24 2026 write: IOPS=1, BW=4330KiB/s (4434kB/s)(12.0MiB/2838msec); 0 zone resets clat (msec): min=313, max=1380, avg=945.14, stdev=559.60 lat (msec): min=314, max=1380, avg=945.58, stdev=559.51 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 313], 40.00th=[ 1150], 50.00th=[ 1150], 60.00th=[ 1150], | 70.00th=[ 1385], 80.00th=[ 1385], 90.00th=[ 1385], 95.00th=[ 1385], | 99.00th=[ 1385], 99.50th=[ 1385], 99.90th=[ 1385], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 8078, max= 8159, per=70.31%, avg=8118.50, stdev=57.28, 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=0.00%, sys=7.05%, 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=145526: Sun Jun 7 14:18:24 2026 write: IOPS=1, BW=7111KiB/s (7282kB/s)(12.0MiB/1728msec); 0 zone resets clat (msec): min=335, max=838, avg=574.59, stdev=252.61 lat (msec): min=336, max=839, avg=575.40, stdev=252.31 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 334], 10.00th=[ 334], 20.00th=[ 334], | 30.00th=[ 334], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 835], 80.00th=[ 835], 90.00th=[ 835], 95.00th=[ 835], | 99.00th=[ 835], 99.50th=[ 835], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 5649, max= 8078, per=59.44%, avg=6863.50, stdev=1717.56, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.06%, sys=9.55%, ctx=60, 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=7961KiB/s (8152kB/s), 2051KiB/s-5971KiB/s (2100kB/s-6114kB/s), io=16.0MiB (16.8MB), run=1997-2058msec WRITE: bw=11.3MiB/s (11.8MB/s), 4102KiB/s-7111KiB/s (4201kB/s-7282kB/s), io=32.0MiB (33.6MB), run=1728-2838msec