== sanity test 398b: DIO and buffer IO race ============== 06:17:28 (1781000248) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.0709 s, 9.9 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=180122: Tue Jun 9 06:19:49 2026 read: IOPS=12, BW=48.2KiB/s (49.4kB/s)(5992KiB/124210msec) clat (usec): min=34, max=751409, avg=45678.76, stdev=34655.82 lat (usec): min=34, max=751411, avg=45684.16, stdev=34655.74 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 10683], 10.00th=[ 17433], 20.00th=[ 23200], | 30.00th=[ 28705], 40.00th=[ 34341], 50.00th=[ 39060], 60.00th=[ 45351], | 70.00th=[ 53740], 80.00th=[ 63701], 90.00th=[ 81265], 95.00th=[ 99091], | 99.00th=[158335], 99.50th=[175113], 99.90th=[248513], 99.95th=[750781], | 99.99th=[750781] bw ( KiB/s): min= 8, max= 95, per=24.90%, avg=47.82, stdev=17.97, samples=244 iops : min= 2, max= 23, avg=11.30, stdev= 4.50, samples=244 write: IOPS=12, BW=50.7KiB/s (51.9kB/s)(6296KiB/124210msec); 0 zone resets clat (usec): min=1027, max=200945, avg=35163.78, stdev=34780.66 lat (usec): min=1029, max=200946, avg=35173.41, stdev=34794.54 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1418], 10.00th=[ 2057], 20.00th=[ 4621], | 30.00th=[ 8848], 40.00th=[ 16450], 50.00th=[ 24773], 60.00th=[ 34866], | 70.00th=[ 45351], 80.00th=[ 61080], 90.00th=[ 84411], 95.00th=[105382], | 99.00th=[145753], 99.50th=[156238], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 7, max= 149, per=25.10%, avg=50.46, stdev=22.36, samples=243 iops : min= 1, max= 37, avg=11.97, stdev= 5.65, samples=243 lat (usec) : 50=0.26%, 100=1.30%, 250=0.29%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.03% lat (msec) : 2=5.11%, 4=4.36%, 10=7.13%, 20=11.00%, 50=40.01% lat (msec) : 100=25.20%, 250=5.21%, 1000=0.03% cpu : usr=0.06%, sys=5.61%, ctx=6714, 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=180123: Tue Jun 9 06:19:49 2026 read: IOPS=12, BW=49.4KiB/s (50.6kB/s)(5940KiB/120316msec) clat (usec): min=40, max=377927, avg=44305.22, stdev=29785.24 lat (usec): min=41, max=377928, avg=44307.06, stdev=29785.19 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 12125], 10.00th=[ 17695], 20.00th=[ 22938], | 30.00th=[ 27657], 40.00th=[ 32637], 50.00th=[ 38536], 60.00th=[ 44303], | 70.00th=[ 51643], 80.00th=[ 62129], 90.00th=[ 79168], 95.00th=[ 93848], | 99.00th=[143655], 99.50th=[187696], 99.90th=[246416], 99.95th=[379585], | 99.99th=[379585] bw ( KiB/s): min= 6, max= 96, per=25.58%, avg=49.11, stdev=17.53, samples=235 iops : min= 1, max= 24, avg=11.64, stdev= 4.41, samples=235 write: IOPS=13, BW=52.8KiB/s (54.0kB/s)(6348KiB/120316msec); 0 zone resets clat (usec): min=1105, max=892429, avg=34139.21, stdev=40375.58 lat (usec): min=1106, max=892431, avg=34142.38, stdev=40375.56 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1369], 10.00th=[ 1844], 20.00th=[ 4228], | 30.00th=[ 7439], 40.00th=[ 15139], 50.00th=[ 24511], 60.00th=[ 32375], | 70.00th=[ 44303], 80.00th=[ 58459], 90.00th=[ 82314], 95.00th=[ 98042], | 99.00th=[152044], 99.50th=[177210], 99.90th=[225444], 99.95th=[893387], | 99.99th=[893387] bw ( KiB/s): min= 6, max= 112, per=25.99%, avg=52.24, stdev=22.32, samples=236 iops : min= 1, max= 28, avg=12.41, stdev= 5.63, samples=236 lat (usec) : 50=0.23%, 100=1.27%, 250=0.13%, 500=0.03%, 750=0.03% lat (msec) : 2=5.60%, 4=4.33%, 10=8.24%, 20=10.45%, 50=41.15% lat (msec) : 100=24.09%, 250=4.39%, 500=0.03%, 1000=0.03% cpu : usr=0.08%, sys=5.85%, ctx=6774, 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=180124: Tue Jun 9 06:19:49 2026 read: IOPS=12, BW=49.2KiB/s (50.4kB/s)(6028KiB/122470msec) clat (usec): min=37, max=895283, avg=44295.91, stdev=35600.01 lat (usec): min=38, max=895284, avg=44301.19, stdev=35601.69 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 11338], 10.00th=[ 17171], 20.00th=[ 22414], | 30.00th=[ 27395], 40.00th=[ 32375], 50.00th=[ 38536], 60.00th=[ 44827], | 70.00th=[ 51643], 80.00th=[ 61080], 90.00th=[ 78119], 95.00th=[ 94897], | 99.00th=[139461], 99.50th=[158335], 99.90th=[267387], 99.95th=[893387], | 99.99th=[893387] bw ( KiB/s): min= 13, max= 104, per=25.47%, avg=48.90, stdev=18.44, samples=241 iops : min= 3, max= 26, avg=11.59, stdev= 4.64, samples=241 write: IOPS=12, BW=51.1KiB/s (52.3kB/s)(6260KiB/122470msec); 0 zone resets clat (usec): min=1047, max=249348, avg=35379.07, stdev=35994.52 lat (usec): min=1049, max=250676, avg=35383.99, stdev=36001.38 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1369], 10.00th=[ 1958], 20.00th=[ 4113], | 30.00th=[ 7898], 40.00th=[ 16712], 50.00th=[ 25297], 60.00th=[ 34866], | 70.00th=[ 46924], 80.00th=[ 61080], 90.00th=[ 85459], 95.00th=[105382], | 99.00th=[152044], 99.50th=[181404], 99.90th=[246416], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 7, max= 128, per=25.26%, avg=50.78, stdev=23.17, samples=241 iops : min= 1, max= 32, avg=12.05, stdev= 5.85, samples=241 lat (usec) : 50=0.33%, 100=1.50%, 250=0.13%, 500=0.03%, 750=0.07% lat (msec) : 2=5.24%, 4=4.62%, 10=7.03%, 20=10.77%, 50=40.79% lat (msec) : 100=24.45%, 250=4.98%, 500=0.03%, 1000=0.03% cpu : usr=0.08%, sys=5.61%, ctx=6765, 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=180125: Tue Jun 9 06:19:49 2026 read: IOPS=12, BW=48.6KiB/s (49.8kB/s)(6052KiB/124467msec) clat (usec): min=35, max=366969, avg=45349.62, stdev=31089.68 lat (usec): min=36, max=366970, avg=45355.72, stdev=31090.69 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 10159], 10.00th=[ 16581], 20.00th=[ 22676], | 30.00th=[ 27395], 40.00th=[ 32637], 50.00th=[ 39584], 60.00th=[ 45351], | 70.00th=[ 53740], 80.00th=[ 64750], 90.00th=[ 81265], 95.00th=[100140], | 99.00th=[156238], 99.50th=[185598], 99.90th=[221250], 99.95th=[367002], | 99.99th=[367002] bw ( KiB/s): min= 7, max= 111, per=25.31%, avg=48.60, stdev=18.74, samples=242 iops : min= 1, max= 27, avg=11.50, stdev= 4.72, samples=242 write: IOPS=12, BW=50.1KiB/s (51.3kB/s)(6236KiB/124467msec); 0 zone resets clat (usec): min=1076, max=917922, avg=35559.97, stdev=40837.74 lat (usec): min=1078, max=917924, avg=35566.81, stdev=40836.93 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1385], 10.00th=[ 2245], 20.00th=[ 4621], | 30.00th=[ 9110], 40.00th=[ 17695], 50.00th=[ 26346], 60.00th=[ 34866], | 70.00th=[ 44827], 80.00th=[ 61080], 90.00th=[ 82314], 95.00th=[101188], | 99.00th=[147850], 99.50th=[164627], 99.90th=[231736], 99.95th=[918553], | 99.99th=[918553] bw ( KiB/s): min= 7, max= 127, per=24.93%, avg=50.12, stdev=21.13, samples=242 iops : min= 1, max= 31, avg=11.88, stdev= 5.30, samples=242 lat (usec) : 50=0.29%, 100=1.66%, 250=0.13%, 500=0.03%, 1000=0.03% lat (msec) : 2=4.46%, 4=4.56%, 10=7.23%, 20=10.77%, 50=40.20% lat (msec) : 100=25.52%, 250=5.05%, 500=0.03%, 1000=0.03% cpu : usr=0.08%, sys=5.73%, ctx=6770, 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=193KiB/s (198kB/s), 48.2KiB/s-49.4KiB/s (49.4kB/s-50.6kB/s), io=23.4MiB (24.6MB), run=120316-124467msec WRITE: bw=202KiB/s (207kB/s), 50.1KiB/s-52.8KiB/s (51.3kB/s-54.0kB/s), io=24.6MiB (25.7MB), run=120316-124467msec fio: pid=180120, err=5/file:backend.c:481, func=full resid, error=Input/output error rand-rw: (groupid=0, jobs=1): err= 0: pid=180117: Tue Jun 9 06:20:27 2026 read: IOPS=9, BW=36.8KiB/s (37.7kB/s)(5992KiB/162791msec) clat (msec): min=5, max=771, avg=43.01, stdev=44.57 lat (msec): min=5, max=771, avg=43.01, stdev=44.57 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 23], 50.00th=[ 28], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 64], 90.00th=[ 94], 95.00th=[ 130], | 99.00th=[ 203], 99.50th=[ 249], 99.90th=[ 368], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 7, max= 135, per=25.62%, avg=37.15, stdev=26.04, samples=314 iops : min= 1, max= 33, avg= 8.61, stdev= 6.55, samples=314 write: IOPS=9, BW=38.7KiB/s (39.6kB/s)(6296KiB/162791msec); 0 zone resets clat (msec): min=11, max=375, avg=62.22, stdev=43.85 lat (msec): min=11, max=375, avg=62.22, stdev=43.85 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 20], 10.00th=[ 24], 20.00th=[ 29], | 30.00th=[ 35], 40.00th=[ 41], 50.00th=[ 47], 60.00th=[ 58], | 70.00th=[ 73], 80.00th=[ 93], 90.00th=[ 124], 95.00th=[ 150], | 99.00th=[ 207], 99.50th=[ 259], 99.90th=[ 300], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 7, max= 135, per=25.51%, avg=38.52, stdev=24.37, samples=318 iops : min= 1, max= 33, avg= 8.95, stdev= 6.13, samples=318 lat (msec) : 10=2.34%, 20=16.34%, 50=44.92%, 100=23.47%, 250=12.47% lat (msec) : 500=0.42%, 1000=0.03% cpu : usr=0.05%, sys=2.19%, ctx=4941, 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=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=180118: Tue Jun 9 06:20:27 2026 read: IOPS=9, BW=36.5KiB/s (37.4kB/s)(5940KiB/162518msec) clat (msec): min=5, max=900, avg=43.62, stdev=46.30 lat (msec): min=5, max=900, avg=43.62, stdev=46.30 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 45], 80.00th=[ 62], 90.00th=[ 96], 95.00th=[ 131], | 99.00th=[ 194], 99.50th=[ 245], 99.90th=[ 321], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 7, max= 143, per=25.60%, avg=37.12, stdev=25.63, samples=310 iops : min= 1, max= 35, avg= 8.61, stdev= 6.43, samples=310 write: IOPS=9, BW=39.1KiB/s (39.0kB/s)(6348KiB/162518msec); 0 zone resets clat (msec): min=9, max=352, avg=61.35, stdev=43.93 lat (msec): min=9, max=352, avg=61.36, stdev=43.93 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 19], 10.00th=[ 23], 20.00th=[ 29], | 30.00th=[ 34], 40.00th=[ 40], 50.00th=[ 46], 60.00th=[ 57], | 70.00th=[ 69], 80.00th=[ 89], 90.00th=[ 125], 95.00th=[ 155], | 99.00th=[ 209], 99.50th=[ 232], 99.90th=[ 292], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 7, max= 143, per=25.60%, avg=38.65, stdev=25.01, samples=318 iops : min= 1, max= 35, avg= 8.99, stdev= 6.29, samples=318 lat (msec) : 10=2.47%, 20=16.21%, 50=44.66%, 100=24.25%, 250=12.04% lat (msec) : 500=0.33%, 1000=0.03% cpu : usr=0.05%, sys=2.33%, ctx=5135, 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=180119: Tue Jun 9 06:20:27 2026 read: IOPS=9, BW=37.2KiB/s (38.1kB/s)(6028KiB/162141msec) clat (msec): min=5, max=315, avg=42.78, stdev=40.74 lat (msec): min=5, max=315, avg=42.79, stdev=40.74 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 60], 90.00th=[ 94], 95.00th=[ 131], | 99.00th=[ 197], 99.50th=[ 234], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 7, max= 127, per=25.67%, avg=37.22, stdev=24.56, samples=314 iops : min= 1, max= 31, avg= 8.62, stdev= 6.17, samples=314 write: IOPS=9, BW=38.6KiB/s (39.5kB/s)(6260KiB/162141msec); 0 zone resets clat (msec): min=9, max=944, avg=62.16, stdev=48.51 lat (msec): min=9, max=944, avg=62.16, stdev=48.51 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 20], 10.00th=[ 23], 20.00th=[ 29], | 30.00th=[ 35], 40.00th=[ 40], 50.00th=[ 47], 60.00th=[ 56], | 70.00th=[ 71], 80.00th=[ 92], 90.00th=[ 124], 95.00th=[ 150], | 99.00th=[ 211], 99.50th=[ 239], 99.90th=[ 300], 99.95th=[ 944], | 99.99th=[ 944] bw ( KiB/s): min= 7, max= 135, per=25.25%, avg=38.13, stdev=24.94, samples=318 iops : min= 1, max= 33, avg= 8.86, stdev= 6.26, samples=318 lat (msec) : 10=2.51%, 20=15.10%, 50=46.81%, 100=22.53%, 250=12.60% lat (msec) : 500=0.42%, 1000=0.03% cpu : usr=0.05%, sys=2.28%, ctx=4904, 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= 5 (file:backend.c:481, func=full resid, error=Input/output error): pid=180120: Tue Jun 9 06:20:27 2026 read: IOPS=8, BW=35.9KiB/s (36.7kB/s)(5648KiB/157390msec) clat (msec): min=5, max=305, avg=44.46, stdev=40.39 lat (msec): min=5, max=305, avg=44.46, stdev=40.39 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 46], 80.00th=[ 66], 90.00th=[ 97], 95.00th=[ 129], | 99.00th=[ 194], 99.50th=[ 253], 99.90th=[ 279], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 7, max= 127, per=25.06%, avg=36.33, stdev=24.92, samples=301 iops : min= 1, max= 31, avg= 8.41, stdev= 6.25, samples=301 write: IOPS=9, BW=36.9KiB/s (37.8kB/s)(5812KiB/157390msec); 0 zone resets clat (msec): min=10, max=900, avg=64.85, stdev=48.50 lat (msec): min=10, max=900, avg=64.85, stdev=48.50 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 21], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 37], 40.00th=[ 43], 50.00th=[ 50], 60.00th=[ 63], | 70.00th=[ 77], 80.00th=[ 95], 90.00th=[ 122], 95.00th=[ 148], | 99.00th=[ 215], 99.50th=[ 247], 99.90th=[ 376], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 7, max= 104, per=24.40%, avg=36.85, stdev=22.33, samples=305 iops : min= 1, max= 26, avg= 8.53, stdev= 5.60, samples=305 lat (msec) : 10=2.16%, 20=13.50%, 50=45.50%, 100=25.85%, 250=12.46% lat (msec) : 500=0.45%, 1000=0.03% cpu : usr=0.06%, sys=2.24%, ctx=4670, majf=0, minf=18 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=1413,1453,0,0 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=145KiB/s (149kB/s), 35.9KiB/s-37.2KiB/s (36.7kB/s-38.1kB/s), io=23.1MiB (24.2MB), run=157390-162791msec WRITE: bw=152KiB/s (155kB/s), 36.9KiB/s-39.1KiB/s (37.8kB/s-39.0kB/s), io=24.1MiB (25.3MB), run=157390-162791msec 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=180172: Tue Jun 9 06:21:11 2026 read: IOPS=10, BW=164KiB/s (168kB/s)(5920KiB/36035msec) clat (usec): min=36, max=232215, avg=49124.20, stdev=34876.51 lat (usec): min=36, max=232217, avg=49125.63, stdev=34876.79 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 65], 10.00th=[ 11731], 20.00th=[ 23725], | 30.00th=[ 30016], 40.00th=[ 36963], 50.00th=[ 43779], 60.00th=[ 51643], | 70.00th=[ 59507], 80.00th=[ 68682], 90.00th=[ 86508], 95.00th=[114820], | 99.00th=[170918], 99.50th=[214959], 99.90th=[231736], 99.95th=[231736], | 99.99th=[231736] bw ( KiB/s): min= 31, max= 445, per=24.71%, avg=164.06, stdev=77.13, samples=71 iops : min= 1, max= 27, avg= 9.51, stdev= 4.90, samples=71 write: IOPS=11, BW=177KiB/s (181kB/s)(6368KiB/36035msec); 0 zone resets clat (usec): min=1406, max=258737, avg=44691.81, stdev=44369.40 lat (usec): min=1408, max=258741, avg=44695.38, stdev=44370.04 clat percentiles (usec): | 1.00th=[ 1565], 5.00th=[ 2474], 10.00th=[ 3326], 20.00th=[ 7177], | 30.00th=[ 13698], 40.00th=[ 23462], 50.00th=[ 33162], 60.00th=[ 41681], | 70.00th=[ 59507], 80.00th=[ 77071], 90.00th=[101188], 95.00th=[121111], | 99.00th=[227541], 99.50th=[240124], 99.90th=[258999], 99.95th=[258999], | 99.99th=[258999] bw ( KiB/s): min= 62, max= 444, per=25.57%, avg=178.74, stdev=80.56, samples=70 iops : min= 3, max= 27, avg=10.43, stdev= 5.07, samples=70 lat (usec) : 50=0.39%, 100=3.12%, 250=0.26%, 750=0.13% lat (msec) : 2=2.21%, 4=3.52%, 10=7.81%, 20=8.59%, 50=35.94% lat (msec) : 100=29.43%, 250=8.46%, 500=0.13% cpu : usr=0.08%, sys=5.61%, ctx=1856, 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=180173: Tue Jun 9 06:21:11 2026 read: IOPS=10, BW=163KiB/s (167kB/s)(5744KiB/35211msec) clat (usec): min=43, max=309209, avg=50770.31, stdev=38312.80 lat (usec): min=43, max=309211, avg=50774.24, stdev=38311.66 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 63], 10.00th=[ 15926], 20.00th=[ 25297], | 30.00th=[ 29754], 40.00th=[ 35914], 50.00th=[ 44827], 60.00th=[ 50070], | 70.00th=[ 57934], 80.00th=[ 70779], 90.00th=[ 91751], 95.00th=[130548], | 99.00th=[193987], 99.50th=[225444], 99.90th=[308282], 99.95th=[308282], | 99.99th=[308282] bw ( KiB/s): min= 31, max= 384, per=24.43%, avg=162.23, stdev=76.98, samples=69 iops : min= 1, max= 24, avg= 9.39, stdev= 4.88, samples=69 write: IOPS=11, BW=186KiB/s (190kB/s)(6544KiB/35211msec); 0 zone resets clat (usec): min=1573, max=255253, avg=41001.76, stdev=39382.25 lat (usec): min=1575, max=255255, avg=41003.91, stdev=39382.35 clat percentiles (usec): | 1.00th=[ 1696], 5.00th=[ 2802], 10.00th=[ 4424], 20.00th=[ 8979], | 30.00th=[ 13698], 40.00th=[ 21103], 50.00th=[ 27657], 60.00th=[ 40109], | 70.00th=[ 51119], 80.00th=[ 70779], 90.00th=[ 94897], 95.00th=[121111], | 99.00th=[168821], 99.50th=[193987], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 60, max= 380, per=26.55%, avg=185.57, stdev=78.15, samples=69 iops : min= 3, max= 23, avg=10.88, stdev= 4.96, samples=69 lat (usec) : 50=0.26%, 100=2.47%, 250=0.39%, 1000=0.13% lat (msec) : 2=1.30%, 4=3.12%, 10=7.42%, 20=11.72%, 50=38.41% lat (msec) : 100=26.17%, 250=8.33%, 500=0.26% cpu : usr=0.09%, sys=6.12%, ctx=1851, 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=180174: Tue Jun 9 06:21:11 2026 read: IOPS=11, BW=184KiB/s (188kB/s)(6256KiB/33993msec) clat (usec): min=50, max=204630, avg=50654.82, stdev=32509.46 lat (usec): min=51, max=204631, avg=50657.24, stdev=32509.20 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 16319], 20.00th=[ 25560], | 30.00th=[ 32900], 40.00th=[ 40109], 50.00th=[ 46400], 60.00th=[ 51643], | 70.00th=[ 60556], 80.00th=[ 73925], 90.00th=[ 94897], 95.00th=[113771], | 99.00th=[141558], 99.50th=[187696], 99.90th=[204473], 99.95th=[204473], | 99.99th=[204473] bw ( KiB/s): min= 31, max= 348, per=27.74%, avg=184.18, stdev=69.61, samples=67 iops : min= 1, max= 21, avg=10.78, stdev= 4.44, samples=67 write: IOPS=11, BW=177KiB/s (182kB/s)(6032KiB/33993msec); 0 zone resets clat (usec): min=1507, max=231185, avg=37171.57, stdev=38439.10 lat (usec): min=1509, max=231186, avg=37212.40, stdev=38414.02 clat percentiles (usec): | 1.00th=[ 1762], 5.00th=[ 2507], 10.00th=[ 4113], 20.00th=[ 6521], | 30.00th=[ 11338], 40.00th=[ 17171], 50.00th=[ 25560], 60.00th=[ 33162], | 70.00th=[ 42730], 80.00th=[ 60031], 90.00th=[ 88605], 95.00th=[124257], | 99.00th=[168821], 99.50th=[202376], 99.90th=[231736], 99.95th=[231736], | 99.99th=[231736] bw ( KiB/s): min= 30, max= 380, per=25.28%, avg=176.72, stdev=78.35, samples=67 iops : min= 1, max= 23, avg=10.33, stdev= 5.00, samples=67 lat (usec) : 100=3.39%, 250=0.39%, 500=0.13% lat (msec) : 2=1.56%, 4=3.12%, 10=9.38%, 20=9.90%, 50=36.85% lat (msec) : 100=27.34%, 250=7.94% cpu : usr=0.04%, sys=5.99%, ctx=1771, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180175: Tue Jun 9 06:21:11 2026 read: IOPS=10, BW=170KiB/s (174kB/s)(6032KiB/35449msec) clat (usec): min=41, max=247997, avg=50936.20, stdev=39391.05 lat (usec): min=42, max=247998, avg=50938.07, stdev=39391.07 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 59], 10.00th=[ 74], 20.00th=[ 21365], | 30.00th=[ 29754], 40.00th=[ 38011], 50.00th=[ 47449], 60.00th=[ 54789], | 70.00th=[ 62129], 80.00th=[ 76022], 90.00th=[ 98042], 95.00th=[125305], | 99.00th=[217056], 99.50th=[221250], 99.90th=[248513], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 31, max= 318, per=25.56%, avg=169.75, stdev=69.09, samples=68 iops : min= 1, max= 19, avg= 9.87, stdev= 4.35, samples=68 write: IOPS=11, BW=176KiB/s (181kB/s)(6256KiB/35449msec); 0 zone resets clat (usec): min=1734, max=253823, avg=40836.83, stdev=42283.47 lat (usec): min=1736, max=253826, avg=40843.23, stdev=42279.69 clat percentiles (usec): | 1.00th=[ 1827], 5.00th=[ 2999], 10.00th=[ 4080], 20.00th=[ 6521], | 30.00th=[ 11207], 40.00th=[ 19006], 50.00th=[ 28181], 60.00th=[ 35914], | 70.00th=[ 48497], 80.00th=[ 69731], 90.00th=[ 94897], 95.00th=[123208], | 99.00th=[193987], 99.50th=[210764], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 30, max= 572, per=24.97%, avg=174.52, stdev=89.73, samples=69 iops : min= 1, max= 35, avg=10.17, stdev= 5.65, samples=69 lat (usec) : 50=0.52%, 100=5.34%, 250=0.52%, 500=0.26% lat (msec) : 2=1.17%, 4=4.04%, 10=9.90%, 20=8.59%, 50=32.55% lat (msec) : 100=28.39%, 250=8.59%, 500=0.13% cpu : usr=0.06%, sys=5.90%, ctx=1738, 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=665KiB/s (681kB/s), 163KiB/s-184KiB/s (167kB/s-188kB/s), io=23.4MiB (24.5MB), run=33993-36035msec WRITE: bw=699KiB/s (716kB/s), 176KiB/s-186KiB/s (181kB/s-190kB/s), io=24.6MiB (25.8MB), run=33993-36035msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180168: Tue Jun 9 06:21:24 2026 read: IOPS=7, BW=123KiB/s (126kB/s)(5920KiB/48104msec) clat (msec): min=6, max=350, avg=51.50, stdev=48.45 lat (msec): min=6, max=350, avg=51.50, stdev=48.45 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 16], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 42], | 70.00th=[ 53], 80.00th=[ 68], 90.00th=[ 106], 95.00th=[ 148], | 99.00th=[ 247], 99.50th=[ 262], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 30, max= 382, per=25.69%, avg=125.88, stdev=80.37, samples=91 iops : min= 1, max= 23, avg= 7.07, stdev= 5.07, samples=91 write: IOPS=8, BW=132KiB/s (136kB/s)(6368KiB/48104msec); 0 zone resets clat (msec): min=10, max=366, avg=72.85, stdev=50.83 lat (msec): min=10, max=366, avg=72.85, stdev=50.82 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 24], 10.00th=[ 29], 20.00th=[ 34], | 30.00th=[ 41], 40.00th=[ 48], 50.00th=[ 57], 60.00th=[ 68], | 70.00th=[ 86], 80.00th=[ 104], 90.00th=[ 138], 95.00th=[ 178], | 99.00th=[ 296], 99.50th=[ 317], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 31, max= 384, per=26.38%, avg=136.11, stdev=73.85, samples=91 iops : min= 1, max= 24, avg= 7.71, stdev= 4.67, samples=91 lat (msec) : 10=0.65%, 20=10.42%, 50=42.84%, 100=29.30%, 250=15.89% lat (msec) : 500=0.91% cpu : usr=0.04%, sys=2.11%, ctx=1319, 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=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=180169: Tue Jun 9 06:21:24 2026 read: IOPS=7, BW=118KiB/s (121kB/s)(5744KiB/48795msec) clat (msec): min=6, max=435, avg=54.03, stdev=52.81 lat (msec): min=6, max=435, avg=54.04, stdev=52.81 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 26], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 44], | 70.00th=[ 57], 80.00th=[ 80], 90.00th=[ 126], 95.00th=[ 155], | 99.00th=[ 268], 99.50th=[ 330], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 31, max= 416, per=24.35%, avg=119.33, stdev=82.92, samples=93 iops : min= 1, max= 26, avg= 6.65, stdev= 5.26, samples=93 write: IOPS=8, BW=134KiB/s (137kB/s)(6544KiB/48795msec); 0 zone resets clat (msec): min=11, max=301, avg=71.15, stdev=48.31 lat (msec): min=11, max=301, avg=71.15, stdev=48.31 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 23], 10.00th=[ 28], 20.00th=[ 36], | 30.00th=[ 42], 40.00th=[ 50], 50.00th=[ 57], 60.00th=[ 67], | 70.00th=[ 80], 80.00th=[ 97], 90.00th=[ 129], 95.00th=[ 169], | 99.00th=[ 245], 99.50th=[ 288], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 30, max= 350, per=26.32%, avg=135.80, stdev=72.42, samples=92 iops : min= 1, max= 21, avg= 7.68, stdev= 4.59, samples=92 lat (msec) : 10=0.78%, 20=9.77%, 50=41.15%, 100=32.16%, 250=15.10% lat (msec) : 500=1.04% cpu : usr=0.03%, sys=2.13%, ctx=1275, 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=180170: Tue Jun 9 06:21:24 2026 read: IOPS=8, BW=129KiB/s (132kB/s)(6256KiB/48679msec) clat (msec): min=7, max=432, avg=52.21, stdev=50.94 lat (msec): min=7, max=432, avg=52.21, stdev=50.95 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 21], | 30.00th=[ 26], 40.00th=[ 32], 50.00th=[ 37], 60.00th=[ 45], | 70.00th=[ 55], 80.00th=[ 72], 90.00th=[ 105], 95.00th=[ 140], | 99.00th=[ 268], 99.50th=[ 355], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 30, max= 437, per=26.87%, avg=131.67, stdev=85.19, samples=93 iops : min= 1, max= 27, avg= 7.43, stdev= 5.40, samples=93 write: IOPS=7, BW=124KiB/s (127kB/s)(6032KiB/48679msec); 0 zone resets clat (msec): min=12, max=429, avg=74.59, stdev=54.10 lat (msec): min=12, max=429, avg=74.59, stdev=54.10 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 24], 10.00th=[ 28], 20.00th=[ 36], | 30.00th=[ 42], 40.00th=[ 50], 50.00th=[ 59], 60.00th=[ 69], | 70.00th=[ 82], 80.00th=[ 104], 90.00th=[ 144], 95.00th=[ 192], | 99.00th=[ 279], 99.50th=[ 305], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 30, max= 382, per=23.94%, avg=123.54, stdev=71.63, samples=94 iops : min= 1, max= 23, avg= 6.91, stdev= 4.53, samples=94 lat (msec) : 10=1.04%, 20=9.90%, 50=42.84%, 100=29.82%, 250=14.71% lat (msec) : 500=1.69% cpu : usr=0.04%, sys=2.16%, ctx=1352, 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=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=180171: Tue Jun 9 06:21:24 2026 read: IOPS=7, BW=125KiB/s (128kB/s)(6032KiB/48178msec) clat (msec): min=7, max=322, avg=49.75, stdev=45.90 lat (msec): min=7, max=322, avg=49.76, stdev=45.90 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 16], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 33], 60.00th=[ 41], | 70.00th=[ 51], 80.00th=[ 71], 90.00th=[ 112], 95.00th=[ 155], | 99.00th=[ 230], 99.50th=[ 275], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 31, max= 351, per=26.10%, avg=127.90, stdev=78.71, samples=91 iops : min= 1, max= 21, avg= 7.20, stdev= 4.98, samples=91 write: IOPS=8, BW=130KiB/s (133kB/s)(6256KiB/48178msec); 0 zone resets clat (msec): min=13, max=454, avg=74.99, stdev=53.98 lat (msec): min=13, max=454, avg=74.99, stdev=53.98 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 25], 10.00th=[ 29], 20.00th=[ 36], | 30.00th=[ 45], 40.00th=[ 53], 50.00th=[ 60], 60.00th=[ 72], | 70.00th=[ 84], 80.00th=[ 104], 90.00th=[ 138], 95.00th=[ 182], | 99.00th=[ 300], 99.50th=[ 330], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 30, max= 350, per=25.02%, avg=129.11, stdev=75.44, samples=94 iops : min= 1, max= 21, avg= 7.27, stdev= 4.75, samples=94 lat (msec) : 10=0.91%, 20=10.55%, 50=41.41%, 100=30.21%, 250=15.63% lat (msec) : 500=1.30% cpu : usr=0.05%, sys=2.14%, ctx=1300, 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=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=491KiB/s (503kB/s), 118KiB/s-129KiB/s (121kB/s-132kB/s), io=23.4MiB (24.5MB), run=48104-48795msec WRITE: bw=516KiB/s (529kB/s), 124KiB/s-134KiB/s (127kB/s-137kB/s), io=24.6MiB (25.8MB), run=48104-48795msec 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=180188: Tue Jun 9 06:21:37 2026 read: IOPS=2, BW=3059KiB/s (3133kB/s)(7168KiB/2343msec) clat (msec): min=81, max=358, avg=158.70, stdev=93.11 lat (msec): min=81, max=358, avg=158.70, stdev=93.11 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 100], | 30.00th=[ 123], 40.00th=[ 123], 50.00th=[ 133], 60.00th=[ 142], | 70.00th=[ 142], 80.00th=[ 176], 90.00th=[ 359], 95.00th=[ 359], | 99.00th=[ 359], 99.50th=[ 359], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 2011, max= 4640, per=61.19%, avg=2684.50, stdev=1303.76, samples=4 iops : min= 1, max= 4, avg= 2.00, stdev= 1.41, samples=4 write: IOPS=2, BW=2185KiB/s (2238kB/s)(5120KiB/2343msec); 0 zone resets clat (msec): min=105, max=298, avg=239.77, stdev=79.79 lat (msec): min=105, max=298, avg=239.85, stdev=79.79 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 106], 10.00th=[ 106], 20.00th=[ 106], | 30.00th=[ 230], 40.00th=[ 230], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 300], 95.00th=[ 300], | 99.00th=[ 300], 99.50th=[ 300], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 2011, max= 4096, per=44.21%, avg=2715.33, stdev=1195.77, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 lat (msec) : 100=16.67%, 250=50.00%, 500=33.33% cpu : usr=0.00%, sys=8.11%, ctx=81, 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=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=180189: Tue Jun 9 06:21:37 2026 read: IOPS=0, BW=451KiB/s (462kB/s)(2048KiB/4541msec) clat (usec): min=70480, max=86870, avg=78675.43, stdev=11589.16 lat (usec): min=70482, max=86871, avg=78676.98, stdev=11588.48 clat percentiles (usec): | 1.00th=[70779], 5.00th=[70779], 10.00th=[70779], 20.00th=[70779], | 30.00th=[70779], 40.00th=[70779], 50.00th=[70779], 60.00th=[86508], | 70.00th=[86508], 80.00th=[86508], 90.00th=[86508], 95.00th=[86508], | 99.00th=[86508], 99.50th=[86508], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] bw ( KiB/s): min= 1438, max= 2011, per=39.31%, avg=1724.50, stdev=405.17, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2255KiB/s (2309kB/s)(10.0MiB/4541msec); 0 zone resets clat (msec): min=189, max=1911, avg=434.61, stdev=525.01 lat (msec): min=190, max=1911, avg=434.72, stdev=525.05 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 211], | 30.00th=[ 213], 40.00th=[ 215], 50.00th=[ 230], 60.00th=[ 241], | 70.00th=[ 342], 80.00th=[ 376], 90.00th=[ 422], 95.00th=[ 1905], | 99.00th=[ 1905], 99.50th=[ 1905], 99.90th=[ 1905], 99.95th=[ 1905], | 99.99th=[ 1905] bw ( KiB/s): min= 1438, max= 4071, per=42.21%, avg=2592.50, stdev=1123.94, samples=6 iops : min= 1, max= 3, avg= 1.67, stdev= 1.03, samples=6 lat (msec) : 100=16.67%, 250=50.00%, 500=25.00%, 2000=8.33% cpu : usr=0.09%, sys=5.15%, ctx=73, 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=180191: Tue Jun 9 06:21:37 2026 read: IOPS=1, BW=1316KiB/s (1348kB/s)(6144KiB/4668msec) clat (msec): min=108, max=1395, avg=392.89, stdev=500.65 lat (msec): min=108, max=1395, avg=392.89, stdev=500.65 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 109], 10.00th=[ 109], 20.00th=[ 118], | 30.00th=[ 118], 40.00th=[ 142], 50.00th=[ 142], 60.00th=[ 230], | 70.00th=[ 363], 80.00th=[ 363], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 1976, max= 4071, per=61.23%, avg=2686.00, stdev=1199.57, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1316KiB/s (1348kB/s)(6144KiB/4668msec); 0 zone resets clat (msec): min=143, max=430, avg=314.60, stdev=111.80 lat (msec): min=144, max=430, avg=314.94, stdev=111.31 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 247], | 30.00th=[ 247], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 397], | 70.00th=[ 397], 80.00th=[ 397], 90.00th=[ 430], 95.00th=[ 430], | 99.00th=[ 430], 99.50th=[ 430], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 2011, max= 4023, per=41.14%, avg=2527.00, stdev=997.41, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 250=50.00%, 500=41.67%, 2000=8.33% cpu : usr=0.02%, sys=5.91%, ctx=114, 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=180193: Tue Jun 9 06:21:37 2026 read: IOPS=1, BW=1541KiB/s (1578kB/s)(5120KiB/3322msec) clat (msec): min=79, max=144, avg=112.09, stdev=24.71 lat (msec): min=79, max=144, avg=112.10, stdev=24.71 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 80], 10.00th=[ 80], 20.00th=[ 80], | 30.00th=[ 102], 40.00th=[ 102], 50.00th=[ 111], 60.00th=[ 111], | 70.00th=[ 126], 80.00th=[ 126], 90.00th=[ 144], 95.00th=[ 144], | 99.00th=[ 144], 99.50th=[ 144], 99.90th=[ 144], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 4023, max= 4096, per=92.53%, avg=4059.50, stdev=51.62, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2158KiB/s (2210kB/s)(7168KiB/3322msec); 0 zone resets clat (msec): min=81, max=921, avg=380.54, stdev=286.05 lat (msec): min=81, max=921, avg=380.62, stdev=286.04 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 182], | 30.00th=[ 205], 40.00th=[ 205], 50.00th=[ 296], 60.00th=[ 435], | 70.00th=[ 435], 80.00th=[ 550], 90.00th=[ 919], 95.00th=[ 919], | 99.00th=[ 919], 99.50th=[ 919], 99.90th=[ 919], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 2011, max= 4087, per=45.31%, avg=2782.75, stdev=982.25, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 100=16.67%, 250=50.00%, 500=16.67%, 750=8.33%, 1000=8.33% cpu : usr=0.03%, sys=3.91%, ctx=64, 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=4387KiB/s (4493kB/s), 451KiB/s-3059KiB/s (462kB/s-3133kB/s), io=20.0MiB (20.0MB), run=2343-4668msec WRITE: bw=6142KiB/s (6290kB/s), 1316KiB/s-2255KiB/s (1348kB/s-2309kB/s), io=28.0MiB (29.4MB), run=2343-4668msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180190: Tue Jun 9 06:21:37 2026 read: IOPS=2, BW=2154KiB/s (2206kB/s)(7168KiB/3327msec) clat (usec): min=314, max=2323.8k, avg=358344.01, stdev=867990.81 lat (usec): min=314, max=2323.8k, avg=358345.16, stdev=867991.30 clat percentiles (usec): | 1.00th=[ 314], 5.00th=[ 314], 10.00th=[ 314], | 20.00th=[ 502], 30.00th=[ 603], 40.00th=[ 603], | 50.00th=[ 4359], 60.00th=[ 50070], 70.00th=[ 50070], | 80.00th=[ 128451], 90.00th=[2332034], 95.00th=[2332034], | 99.00th=[2332034], 99.50th=[2332034], 99.90th=[2332034], | 99.95th=[2332034], 99.99th=[2332034] bw ( KiB/s): min= 2039, max=10240, per=100.00%, avg=6139.50, stdev=5798.98, samples=2 iops : min= 1, max= 10, avg= 5.50, stdev= 6.36, samples=2 write: IOPS=1, BW=1539KiB/s (1576kB/s)(5120KiB/3327msec); 0 zone resets clat (msec): min=102, max=178, avg=138.69, stdev=33.39 lat (msec): min=102, max=178, avg=138.74, stdev=33.38 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 103], 10.00th=[ 103], 20.00th=[ 103], | 30.00th=[ 111], 40.00th=[ 111], 50.00th=[ 136], 60.00th=[ 136], | 70.00th=[ 167], 80.00th=[ 167], 90.00th=[ 178], 95.00th=[ 178], | 99.00th=[ 178], 99.50th=[ 178], 99.90th=[ 178], 99.95th=[ 178], | 99.99th=[ 178] bw ( KiB/s): min= 2048, max= 6119, per=65.21%, avg=4083.50, stdev=2878.63, samples=2 iops : min= 2, max= 5, avg= 3.50, stdev= 2.12, samples=2 lat (usec) : 500=8.33%, 750=16.67% lat (msec) : 10=8.33%, 50=8.33%, 250=50.00%, >=2000=8.33% cpu : usr=0.00%, sys=11.55%, ctx=171, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=180192: Tue Jun 9 06:21:37 2026 read: IOPS=0, BW=447KiB/s (458kB/s)(2048KiB/4578msec) clat (usec): min=539, max=550183, avg=275361.60, stdev=388656.94 lat (usec): min=541, max=550186, avg=275363.74, stdev=388657.97 clat percentiles (usec): | 1.00th=[ 537], 5.00th=[ 537], 10.00th=[ 537], 20.00th=[ 537], | 30.00th=[ 537], 40.00th=[ 537], 50.00th=[ 537], 60.00th=[549454], | 70.00th=[549454], 80.00th=[549454], 90.00th=[549454], 95.00th=[549454], | 99.00th=[549454], 99.50th=[549454], 99.90th=[549454], 99.95th=[549454], | 99.99th=[549454] bw ( KiB/s): min= 2039, max= 2043, per=45.63%, avg=2041.00, stdev= 2.83, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2237KiB/s (2290kB/s)(10.0MiB/4578msec); 0 zone resets clat (msec): min=106, max=1419, avg=368.67, stdev=379.20 lat (msec): min=106, max=1419, avg=368.74, stdev=379.21 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 107], 10.00th=[ 107], 20.00th=[ 133], | 30.00th=[ 224], 40.00th=[ 257], 50.00th=[ 262], 60.00th=[ 262], | 70.00th=[ 284], 80.00th=[ 347], 90.00th=[ 401], 95.00th=[ 1418], | 99.00th=[ 1418], 99.50th=[ 1418], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 1935, max= 6119, per=51.79%, avg=3243.00, stdev=1841.93, samples=5 iops : min= 1, max= 5, avg= 2.20, stdev= 1.79, samples=5 lat (usec) : 750=8.33% lat (msec) : 250=25.00%, 500=50.00%, 750=8.33%, 2000=8.33% cpu : usr=0.07%, sys=14.25%, ctx=144, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=180194: Tue Jun 9 06:21:37 2026 read: IOPS=1, BW=1795KiB/s (1839kB/s)(6144KiB/3422msec) clat (usec): min=434, max=1349.9k, avg=307577.54, stdev=517855.77 lat (usec): min=435, max=1349.9k, avg=307578.66, stdev=517855.86 clat percentiles (usec): | 1.00th=[ 437], 5.00th=[ 437], 10.00th=[ 437], | 20.00th=[ 529], 30.00th=[ 529], 40.00th=[ 113771], | 50.00th=[ 113771], 60.00th=[ 170918], 70.00th=[ 210764], | 80.00th=[ 210764], 90.00th=[1350566], 95.00th=[1350566], | 99.00th=[1350566], 99.50th=[1350566], 99.90th=[1350566], | 99.95th=[1350566], 99.99th=[1350566] bw ( KiB/s): min= 2039, max= 6144, per=76.18%, avg=3407.33, stdev=2370.02, samples=3 iops : min= 1, max= 6, avg= 2.67, stdev= 2.89, samples=3 write: IOPS=1, BW=1795KiB/s (1839kB/s)(6144KiB/3422msec); 0 zone resets clat (msec): min=165, max=288, avg=224.61, stdev=46.34 lat (msec): min=165, max=288, avg=224.71, stdev=46.32 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 165], 10.00th=[ 165], 20.00th=[ 190], | 30.00th=[ 190], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 249], | 70.00th=[ 255], 80.00th=[ 255], 90.00th=[ 288], 95.00th=[ 288], | 99.00th=[ 288], 99.50th=[ 288], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 1499, max= 4079, per=38.59%, avg=2416.25, stdev=1137.84, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 250=58.33%, 500=16.67%, 2000=8.33% cpu : usr=0.00%, sys=12.74%, ctx=149, 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=180195: Tue Jun 9 06:21:37 2026 read: IOPS=1, BW=1533KiB/s (1570kB/s)(5120KiB/3339msec) clat (usec): min=469, max=226666, avg=105570.59, stdev=102860.75 lat (usec): min=471, max=226668, avg=105571.77, stdev=102860.64 clat percentiles (usec): | 1.00th=[ 469], 5.00th=[ 469], 10.00th=[ 469], 20.00th=[ 469], | 30.00th=[ 578], 40.00th=[ 578], 50.00th=[121111], 60.00th=[121111], | 70.00th=[179307], 80.00th=[179307], 90.00th=[227541], 95.00th=[227541], | 99.00th=[227541], 99.50th=[227541], 99.90th=[227541], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2147KiB/s (2198kB/s)(7168KiB/3339msec); 0 zone resets clat (msec): min=80, max=1006, avg=369.80, stdev=334.26 lat (msec): min=80, max=1006, avg=369.88, stdev=334.27 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 102], | 30.00th=[ 184], 40.00th=[ 184], 50.00th=[ 228], 60.00th=[ 384], | 70.00th=[ 384], 80.00th=[ 600], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 3871, max= 4096, per=64.12%, avg=4015.33, stdev=125.29, samples=3 iops : min= 3, max= 4, avg= 3.33, stdev= 0.58, samples=3 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 100=8.33%, 250=50.00%, 500=8.33%, 750=8.33%, 2000=8.33% cpu : usr=0.03%, sys=16.57%, ctx=198, 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=4474KiB/s (4581kB/s), 447KiB/s-2154KiB/s (458kB/s-2206kB/s), io=20.0MiB (20.0MB), run=3327-4578msec WRITE: bw=6263KiB/s (6413kB/s), 1539KiB/s-2237KiB/s (1576kB/s-2290kB/s), io=28.0MiB (29.4MB), run=3327-4578msec 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=180202: Tue Jun 9 06:21:54 2026 read: IOPS=0, BW=2065KiB/s (2114kB/s)(12.0MiB/5952msec) clat (msec): min=763, max=4136, avg=1949.65, stdev=1896.54 lat (msec): min=763, max=4136, avg=1949.65, stdev=1896.54 clat percentiles (msec): | 1.00th=[ 760], 5.00th=[ 760], 10.00th=[ 760], 20.00th=[ 760], | 30.00th=[ 760], 40.00th=[ 953], 50.00th=[ 953], 60.00th=[ 953], | 70.00th=[ 4144], 80.00th=[ 4144], 90.00th=[ 4144], 95.00th=[ 4144], | 99.00th=[ 4144], 99.50th=[ 4144], 99.90th=[ 4144], 99.95th=[ 4144], | 99.99th=[ 4144] bw ( KiB/s): min= 7742, max= 8143, per=100.00%, avg=7942.50, stdev=283.55, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=4.47%, ctx=260, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180203: Tue Jun 9 06:21:54 2026 read: IOPS=0, BW=689KiB/s (705kB/s)(4096KiB/5949msec) clat (nsec): min=4262.3M, max=4262.3M, avg=4262284798.00, stdev= 0.00 lat (nsec): min=4262.3M, max=4262.3M, avg=4262287224.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 4279], 5.00th=[ 4279], 10.00th=[ 4279], 20.00th=[ 4279], | 30.00th=[ 4279], 40.00th=[ 4279], 50.00th=[ 4279], 60.00th=[ 4279], | 70.00th=[ 4279], 80.00th=[ 4279], 90.00th=[ 4279], 95.00th=[ 4279], | 99.00th=[ 4279], 99.50th=[ 4279], 99.90th=[ 4279], 99.95th=[ 4279], | 99.99th=[ 4279] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1377KiB/s (1410kB/s)(8192KiB/5949msec); 0 zone resets clat (msec): min=509, max=982, avg=745.70, stdev=334.48 lat (msec): min=509, max=982, avg=746.04, stdev=334.52 clat percentiles (msec): | 1.00th=[ 510], 5.00th=[ 510], 10.00th=[ 510], 20.00th=[ 510], | 30.00th=[ 510], 40.00th=[ 510], 50.00th=[ 510], 60.00th=[ 986], | 70.00th=[ 986], 80.00th=[ 986], 90.00th=[ 986], 95.00th=[ 986], | 99.00th=[ 986], 99.50th=[ 986], 99.90th=[ 986], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.03%, sys=4.61%, ctx=504, 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=180204: Tue Jun 9 06:21:54 2026 write: IOPS=0, BW=2271KiB/s (2325kB/s)(12.0MiB/5411msec); 0 zone resets clat (msec): min=726, max=3681, avg=1732.88, stdev=1688.13 lat (msec): min=730, max=3682, avg=1734.09, stdev=1687.23 clat percentiles (msec): | 1.00th=[ 726], 5.00th=[ 726], 10.00th=[ 726], 20.00th=[ 726], | 30.00th=[ 726], 40.00th=[ 793], 50.00th=[ 793], 60.00th=[ 793], | 70.00th=[ 3675], 80.00th=[ 3675], 90.00th=[ 3675], 95.00th=[ 3675], | 99.00th=[ 3675], 99.50th=[ 3675], 99.90th=[ 3675], 99.95th=[ 3675], | 99.99th=[ 3675] bw ( KiB/s): min= 8110, max= 8159, per=100.00%, avg=8134.50, stdev=34.65, 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=0.02%, sys=2.79%, ctx=78, 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=180205: Tue Jun 9 06:21:54 2026 write: IOPS=0, BW=2255KiB/s (2309kB/s)(12.0MiB/5449msec); 0 zone resets clat (msec): min=210, max=3360, avg=1804.73, stdev=1575.71 lat (msec): min=210, max=3361, avg=1805.80, stdev=1575.73 clat percentiles (msec): | 1.00th=[ 211], 5.00th=[ 211], 10.00th=[ 211], 20.00th=[ 211], | 30.00th=[ 211], 40.00th=[ 1838], 50.00th=[ 1838], 60.00th=[ 1838], | 70.00th=[ 3373], 80.00th=[ 3373], 90.00th=[ 3373], 95.00th=[ 3373], | 99.00th=[ 3373], 99.50th=[ 3373], 99.90th=[ 3373], 99.95th=[ 3373], | 99.99th=[ 3373] bw ( KiB/s): min= 5936, max= 7816, per=100.00%, avg=6876.00, stdev=1329.36, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.06%, sys=2.07%, ctx=62, 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=2753KiB/s (2819kB/s), 689KiB/s-2065KiB/s (705kB/s-2114kB/s), io=16.0MiB (16.8MB), run=5949-5952msec WRITE: bw=5508KiB/s (5640kB/s), 1377KiB/s-2271KiB/s (1410kB/s-2325kB/s), io=32.0MiB (33.6MB), run=5411-5949msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180206: Tue Jun 9 06:21:54 2026 read: IOPS=0, BW=1933KiB/s (1979kB/s)(12.0MiB/6357msec) clat (msec): min=400, max=4830, avg=2088.65, stdev=2395.55 lat (msec): min=400, max=4830, avg=2088.65, stdev=2395.55 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 401], 10.00th=[ 401], 20.00th=[ 401], | 30.00th=[ 401], 40.00th=[ 1036], 50.00th=[ 1036], 60.00th=[ 1036], | 70.00th=[ 4799], 80.00th=[ 4799], 90.00th=[ 4799], 95.00th=[ 4799], | 99.00th=[ 4799], 99.50th=[ 4799], 99.90th=[ 4799], 99.95th=[ 4799], | 99.99th=[ 4799] bw ( KiB/s): min= 7968, max= 8126, per=100.00%, avg=8047.00, stdev=111.72, 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=0.00%, sys=1.60%, ctx=59, 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=180207: Tue Jun 9 06:21:54 2026 read: IOPS=0, BW=633KiB/s (649kB/s)(4096KiB/6467msec) clat (nsec): min=4672.1M, max=4672.1M, avg=4672133108.00, stdev= 0.00 lat (nsec): min=4672.1M, max=4672.1M, avg=4672135631.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 4665], 5.00th=[ 4665], 10.00th=[ 4665], 20.00th=[ 4665], | 30.00th=[ 4665], 40.00th=[ 4665], 50.00th=[ 4665], 60.00th=[ 4665], | 70.00th=[ 4665], 80.00th=[ 4665], 90.00th=[ 4665], 95.00th=[ 4665], | 99.00th=[ 4665], 99.50th=[ 4665], 99.90th=[ 4665], 99.95th=[ 4665], | 99.99th=[ 4665] bw ( KiB/s): min= 7984, max= 7984, per=100.00%, avg=7984.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1267KiB/s (1297kB/s)(8192KiB/6467msec); 0 zone resets clat (msec): min=719, max=898, avg=809.23, stdev=126.23 lat (msec): min=720, max=898, avg=809.49, stdev=126.30 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=[ 902], | 70.00th=[ 902], 80.00th=[ 902], 90.00th=[ 902], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 8015, max= 8015, per=100.00%, avg=8015.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=1.31%, 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=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=180208: Tue Jun 9 06:21:54 2026 write: IOPS=0, BW=1844KiB/s (1889kB/s)(12.0MiB/6662msec); 0 zone resets clat (msec): min=956, max=4472, avg=2184.27, stdev=1983.63 lat (msec): min=956, max=4473, avg=2191.77, stdev=1978.03 clat percentiles (msec): | 1.00th=[ 961], 5.00th=[ 961], 10.00th=[ 961], 20.00th=[ 961], | 30.00th=[ 961], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 4463], 80.00th=[ 4463], 90.00th=[ 4463], 95.00th=[ 4463], | 99.00th=[ 4463], 99.50th=[ 4463], 99.90th=[ 4463], 99.95th=[ 4463], | 99.99th=[ 4463] bw ( KiB/s): min= 7984, max= 8110, per=100.00%, avg=8047.00, stdev=89.10, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.84%, ctx=98, 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=180209: Tue Jun 9 06:21:54 2026 write: IOPS=0, BW=2275KiB/s (2329kB/s)(12.0MiB/5402msec); 0 zone resets clat (msec): min=256, max=3405, avg=1780.83, stdev=1576.97 lat (msec): min=260, max=3408, avg=1783.07, stdev=1576.47 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 1687], 50.00th=[ 1687], 60.00th=[ 1687], | 70.00th=[ 3406], 80.00th=[ 3406], 90.00th=[ 3406], 95.00th=[ 3406], | 99.00th=[ 3406], 99.50th=[ 3406], 99.90th=[ 3406], 99.95th=[ 3406], | 99.99th=[ 3406] bw ( KiB/s): min= 7543, max= 8159, per=100.00%, avg=7851.00, stdev=435.58, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=1.96%, ctx=50, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2533KiB/s (2594kB/s), 633KiB/s-1933KiB/s (649kB/s-1979kB/s), io=16.0MiB (16.8MB), run=6357-6467msec WRITE: bw=4919KiB/s (5037kB/s), 1267KiB/s-2275KiB/s (1297kB/s-2329kB/s), io=32.0MiB (33.6MB), run=5402-6662msec