== sanity test 398b: DIO and buffer IO race ============== 05:26:25 (1788513985) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.64824 s, 7.6 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=145053: Fri Sep 4 05:28:56 2026 read: IOPS=11, BW=45.9KiB/s (46.0kB/s)(5992KiB/130648msec) clat (usec): min=36, max=1021.1k, avg=43658.19, stdev=42326.13 lat (usec): min=36, max=1021.1k, avg=43660.48, stdev=42325.56 clat percentiles (usec): | 1.00th=[ 59], 5.00th=[ 73], 10.00th=[ 10552], | 20.00th=[ 21365], 30.00th=[ 26870], 40.00th=[ 31851], | 50.00th=[ 37487], 60.00th=[ 44827], 70.00th=[ 52691], | 80.00th=[ 63177], 90.00th=[ 80217], 95.00th=[ 94897], | 99.00th=[ 141558], 99.50th=[ 170918], 99.90th=[ 725615], | 99.95th=[1019216], 99.99th=[1019216] bw ( KiB/s): min= 7, max= 126, per=25.03%, avg=45.81, stdev=20.54, samples=255 iops : min= 1, max= 31, avg=10.80, stdev= 5.17, samples=255 write: IOPS=12, BW=48.2KiB/s (49.3kB/s)(6296KiB/130648msec); 0 zone resets clat (usec): min=1253, max=467356, avg=41199.41, stdev=42132.71 lat (usec): min=1254, max=467357, avg=41206.91, stdev=42133.42 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1663], 10.00th=[ 2933], 20.00th=[ 5800], | 30.00th=[ 11076], 40.00th=[ 21627], 50.00th=[ 31327], 60.00th=[ 41681], | 70.00th=[ 53740], 80.00th=[ 67634], 90.00th=[ 91751], 95.00th=[115868], | 99.00th=[187696], 99.50th=[225444], 99.90th=[312476], 99.95th=[467665], | 99.99th=[467665] bw ( KiB/s): min= 7, max= 182, per=25.08%, avg=48.15, stdev=20.20, samples=255 iops : min= 1, max= 45, avg=11.38, stdev= 5.09, samples=255 lat (usec) : 50=0.23%, 100=3.68%, 250=0.49%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.03% lat (msec) : 2=3.61%, 4=3.84%, 10=7.52%, 20=9.11%, 50=38.25% lat (msec) : 100=27.28%, 250=5.57%, 500=0.26%, 750=0.03%, 2000=0.03% cpu : usr=0.09%, sys=5.93%, ctx=7027, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145054: Fri Sep 4 05:28:56 2026 read: IOPS=11, BW=46.6KiB/s (47.7kB/s)(5940KiB/127513msec) clat (usec): min=39, max=302782, avg=40798.63, stdev=30038.12 lat (usec): min=40, max=302783, avg=40801.45, stdev=30037.62 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 77], 10.00th=[ 9765], 20.00th=[ 20579], | 30.00th=[ 25035], 40.00th=[ 29492], 50.00th=[ 34866], 60.00th=[ 41157], | 70.00th=[ 49546], 80.00th=[ 58983], 90.00th=[ 76022], 95.00th=[ 92799], | 99.00th=[130548], 99.50th=[158335], 99.90th=[287310], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 7, max= 94, per=25.42%, avg=46.52, stdev=19.03, samples=248 iops : min= 1, max= 23, avg=10.97, stdev= 4.79, samples=248 write: IOPS=12, BW=49.8KiB/s (50.0kB/s)(6348KiB/127513msec); 0 zone resets clat (usec): min=1247, max=1012.6k, avg=41877.45, stdev=47772.64 lat (usec): min=1248, max=1012.6k, avg=41903.90, stdev=47764.02 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1778], 10.00th=[ 3195], | 20.00th=[ 6325], 30.00th=[ 11863], 40.00th=[ 20841], | 50.00th=[ 31327], 60.00th=[ 41157], 70.00th=[ 53216], | 80.00th=[ 70779], 90.00th=[ 92799], 95.00th=[ 113771], | 99.00th=[ 196084], 99.50th=[ 225444], 99.90th=[ 367002], | 99.95th=[1010828], 99.99th=[1010828] bw ( KiB/s): min= 7, max= 125, per=25.83%, avg=49.60, stdev=21.70, samples=248 iops : min= 1, max= 31, avg=11.75, stdev= 5.47, samples=248 lat (usec) : 50=0.07%, 100=3.42%, 250=0.91%, 500=0.10%, 750=0.07% lat (msec) : 2=2.90%, 4=3.71%, 10=8.14%, 20=10.35%, 50=39.75% lat (msec) : 100=24.71%, 250=5.63%, 500=0.23%, 2000=0.03% cpu : usr=0.10%, sys=5.92%, ctx=6915, 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=145055: Fri Sep 4 05:28:56 2026 read: IOPS=11, BW=46.6KiB/s (47.7kB/s)(6028KiB/129349msec) clat (usec): min=35, max=290277, avg=42461.55, stdev=29948.87 lat (usec): min=35, max=290279, avg=42464.59, stdev=29946.65 clat percentiles (usec): | 1.00th=[ 59], 5.00th=[ 79], 10.00th=[ 13698], 20.00th=[ 21627], | 30.00th=[ 26346], 40.00th=[ 30802], 50.00th=[ 36963], 60.00th=[ 43254], | 70.00th=[ 51643], 80.00th=[ 60556], 90.00th=[ 80217], 95.00th=[ 95945], | 99.00th=[143655], 99.50th=[168821], 99.90th=[254804], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 7, max= 95, per=25.42%, avg=46.52, stdev=18.34, samples=252 iops : min= 1, max= 23, avg=10.97, stdev= 4.59, samples=252 write: IOPS=12, BW=48.4KiB/s (49.6kB/s)(6260KiB/129349msec); 0 zone resets clat (usec): min=1277, max=1077.7k, avg=41482.93, stdev=48024.23 lat (usec): min=1278, max=1077.7k, avg=41487.46, stdev=48024.36 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1647], 10.00th=[ 2671], | 20.00th=[ 6128], 30.00th=[ 11076], 40.00th=[ 20841], | 50.00th=[ 30802], 60.00th=[ 40633], 70.00th=[ 53740], | 80.00th=[ 68682], 90.00th=[ 92799], 95.00th=[ 114820], | 99.00th=[ 179307], 99.50th=[ 198181], 99.90th=[ 333448], | 99.95th=[1082131], 99.99th=[1082131] bw ( KiB/s): min= 7, max= 102, per=25.03%, avg=48.06, stdev=19.42, samples=253 iops : min= 1, max= 25, avg=11.36, stdev= 4.91, samples=253 lat (usec) : 50=0.33%, 100=2.93%, 250=0.52%, 500=0.10%, 750=0.07% lat (msec) : 2=3.61%, 4=4.10%, 10=6.74%, 20=9.93%, 50=39.71% lat (msec) : 100=25.91%, 250=5.86%, 500=0.16%, 2000=0.03% cpu : usr=0.10%, sys=5.96%, ctx=7063, 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=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=145056: Fri Sep 4 05:28:56 2026 read: IOPS=11, BW=46.4KiB/s (47.5kB/s)(6052KiB/130364msec) clat (usec): min=38, max=382456, avg=43522.56, stdev=32617.27 lat (usec): min=39, max=382457, avg=43527.99, stdev=32619.46 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 71], 10.00th=[ 10814], 20.00th=[ 21890], | 30.00th=[ 26346], 40.00th=[ 31851], 50.00th=[ 37487], 60.00th=[ 44827], | 70.00th=[ 54264], 80.00th=[ 63177], 90.00th=[ 78119], 95.00th=[ 92799], | 99.00th=[152044], 99.50th=[187696], 99.90th=[358613], 99.95th=[383779], | 99.99th=[383779] bw ( KiB/s): min= 7, max= 123, per=25.46%, avg=46.59, stdev=19.45, samples=253 iops : min= 1, max= 30, avg=10.98, stdev= 4.88, samples=253 write: IOPS=11, BW=47.8KiB/s (48.0kB/s)(6236KiB/130364msec); 0 zone resets clat (usec): min=1171, max=1165.4k, avg=41096.33, stdev=48678.09 lat (usec): min=1172, max=1165.4k, avg=41101.13, stdev=48676.45 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1663], 10.00th=[ 2704], | 20.00th=[ 5735], 30.00th=[ 10028], 40.00th=[ 20317], | 50.00th=[ 31851], 60.00th=[ 40633], 70.00th=[ 52167], | 80.00th=[ 69731], 90.00th=[ 92799], 95.00th=[ 111674], | 99.00th=[ 168821], 99.50th=[ 219153], 99.90th=[ 325059], | 99.95th=[1166017], 99.99th=[1166017] bw ( KiB/s): min= 7, max= 142, per=24.82%, avg=47.65, stdev=20.56, samples=254 iops : min= 1, max= 35, avg=11.27, stdev= 5.20, samples=254 lat (usec) : 50=0.29%, 100=3.45%, 250=0.55%, 500=0.10% lat (msec) : 2=3.91%, 4=3.32%, 10=8.33%, 20=8.66%, 50=38.90% lat (msec) : 100=26.69%, 250=5.53%, 500=0.23%, 2000=0.03% cpu : usr=0.08%, sys=5.92%, ctx=7104, 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=184KiB/s (188kB/s), 45.9KiB/s-46.6KiB/s (46.0kB/s-47.7kB/s), io=23.4MiB (24.6MB), run=127513-130648msec WRITE: bw=192KiB/s (197kB/s), 47.8KiB/s-49.8KiB/s (48.0kB/s-50.0kB/s), io=24.6MiB (25.7MB), run=127513-130648msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145048: Fri Sep 4 05:31:18 2026 read: IOPS=5, BW=22.1KiB/s (22.6kB/s)(5992KiB/271632msec) clat (msec): min=6, max=1038, avg=38.89, stdev=42.27 lat (msec): min=6, max=1038, avg=38.89, stdev=42.27 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 41], 80.00th=[ 53], 90.00th=[ 74], 95.00th=[ 103], | 99.00th=[ 171], 99.50th=[ 230], 99.90th=[ 321], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7, max= 88, per=27.77%, avg=24.44, stdev=16.28, samples=473 iops : min= 1, max= 22, avg= 5.45, stdev= 4.11, samples=473 write: IOPS=5, BW=23.2KiB/s (23.7kB/s)(6296KiB/271632msec); 0 zone resets clat (msec): min=41, max=512, avg=135.29, stdev=60.08 lat (msec): min=41, max=512, avg=135.30, stdev=60.08 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 64], 10.00th=[ 73], 20.00th=[ 87], | 30.00th=[ 99], 40.00th=[ 111], 50.00th=[ 124], 60.00th=[ 138], | 70.00th=[ 155], 80.00th=[ 178], 90.00th=[ 209], 95.00th=[ 249], | 99.00th=[ 342], 99.50th=[ 372], 99.90th=[ 485], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 7, max= 55, per=24.69%, avg=22.71, stdev= 9.90, samples=533 iops : min= 1, max= 13, avg= 5.02, stdev= 2.51, samples=533 lat (msec) : 10=2.05%, 20=12.57%, 50=23.99%, 100=23.40%, 250=35.42% lat (msec) : 500=2.51%, 750=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.46%, ctx=5602, 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=145049: Fri Sep 4 05:31:18 2026 read: IOPS=5, BW=21.8KiB/s (22.3kB/s)(5940KiB/272824msec) clat (msec): min=5, max=1032, avg=39.89, stdev=43.30 lat (msec): min=5, max=1032, avg=39.89, stdev=43.30 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 30], 60.00th=[ 35], | 70.00th=[ 43], 80.00th=[ 54], 90.00th=[ 78], 95.00th=[ 103], | 99.00th=[ 194], 99.50th=[ 236], 99.90th=[ 321], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7, max= 87, per=27.52%, avg=24.22, stdev=15.30, samples=472 iops : min= 1, max= 21, avg= 5.40, stdev= 3.84, samples=472 write: IOPS=5, BW=23.3KiB/s (23.8kB/s)(6348KiB/272824msec); 0 zone resets clat (msec): min=41, max=763, avg=134.31, stdev=63.02 lat (msec): min=41, max=763, avg=134.31, stdev=63.02 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 73], 20.00th=[ 87], | 30.00th=[ 99], 40.00th=[ 109], 50.00th=[ 120], 60.00th=[ 133], | 70.00th=[ 153], 80.00th=[ 174], 90.00th=[ 213], 95.00th=[ 255], | 99.00th=[ 342], 99.50th=[ 405], 99.90th=[ 502], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 7, max= 55, per=24.79%, avg=22.81, stdev= 9.90, samples=534 iops : min= 1, max= 13, avg= 5.04, stdev= 2.52, samples=534 lat (msec) : 10=1.95%, 20=12.34%, 50=23.37%, 100=24.41%, 250=34.96% lat (msec) : 500=2.86%, 750=0.03%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.56%, ctx=5749, 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=145050: Fri Sep 4 05:31:18 2026 read: IOPS=5, BW=22.1KiB/s (22.6kB/s)(6028KiB/272580msec) clat (msec): min=5, max=274, avg=39.68, stdev=31.70 lat (msec): min=5, max=274, avg=39.69, stdev=31.70 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 75], 95.00th=[ 101], | 99.00th=[ 169], 99.50th=[ 201], 99.90th=[ 264], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 7, max= 79, per=27.41%, avg=24.12, stdev=15.27, samples=482 iops : min= 1, max= 19, avg= 5.38, stdev= 3.84, samples=482 write: IOPS=5, BW=22.0KiB/s (23.5kB/s)(6260KiB/272580msec); 0 zone resets clat (msec): min=42, max=1106, avg=135.68, stdev=64.68 lat (msec): min=42, max=1106, avg=135.68, stdev=64.68 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 67], 10.00th=[ 75], 20.00th=[ 89], | 30.00th=[ 100], 40.00th=[ 111], 50.00th=[ 124], 60.00th=[ 136], | 70.00th=[ 153], 80.00th=[ 176], 90.00th=[ 211], 95.00th=[ 243], | 99.00th=[ 342], 99.50th=[ 372], 99.90th=[ 768], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 7, max= 48, per=24.69%, avg=22.71, stdev= 9.40, samples=530 iops : min= 1, max= 12, avg= 5.02, stdev= 2.40, samples=530 lat (msec) : 10=1.40%, 20=11.23%, 50=25.20%, 100=24.48%, 250=35.32% lat (msec) : 500=2.31%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.49%, ctx=5596, 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=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=145051: Fri Sep 4 05:31:18 2026 read: IOPS=5, BW=22.5KiB/s (23.0kB/s)(6052KiB/269132msec) clat (msec): min=5, max=306, avg=38.83, stdev=35.54 lat (msec): min=5, max=306, avg=38.83, stdev=35.54 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=[ 34], | 70.00th=[ 42], 80.00th=[ 53], 90.00th=[ 77], 95.00th=[ 106], | 99.00th=[ 188], 99.50th=[ 245], 99.90th=[ 300], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 7, max= 110, per=28.63%, avg=25.19, stdev=16.87, samples=464 iops : min= 1, max= 27, avg= 5.66, stdev= 4.24, samples=464 write: IOPS=5, BW=23.2KiB/s (23.7kB/s)(6236KiB/269132msec); 0 zone resets clat (msec): min=37, max=1193, avg=134.69, stdev=64.92 lat (msec): min=37, max=1193, avg=134.69, stdev=64.91 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 65], 10.00th=[ 72], 20.00th=[ 87], | 30.00th=[ 97], 40.00th=[ 109], 50.00th=[ 122], 60.00th=[ 136], | 70.00th=[ 155], 80.00th=[ 178], 90.00th=[ 211], 95.00th=[ 241], | 99.00th=[ 334], 99.50th=[ 409], 99.90th=[ 502], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7, max= 48, per=24.84%, avg=22.85, stdev= 9.68, samples=525 iops : min= 1, max= 12, avg= 5.06, stdev= 2.46, samples=525 lat (msec) : 10=2.28%, 20=13.15%, 50=23.54%, 100=23.80%, 250=35.16% lat (msec) : 500=2.02%, 750=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.54%, ctx=5670, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=88.0KiB/s (90.1kB/s), 21.8KiB/s-22.5KiB/s (22.3kB/s-23.0kB/s), io=23.4MiB (24.6MB), run=269132-272824msec WRITE: bw=92.1KiB/s (94.4kB/s), 22.0KiB/s-23.3KiB/s (23.5kB/s-23.8kB/s), io=24.6MiB (25.7MB), run=269132-272824msec 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=145118: Fri Sep 4 05:32:01 2026 read: IOPS=14, BW=234KiB/s (240kB/s)(5920KiB/25250msec) clat (usec): min=37, max=260565, avg=35181.10, stdev=29040.43 lat (usec): min=37, max=260566, avg=35182.27, stdev=29040.61 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 82], | 30.00th=[ 20055], 40.00th=[ 28443], 50.00th=[ 32637], 60.00th=[ 40109], | 70.00th=[ 47449], 80.00th=[ 56361], 90.00th=[ 69731], 95.00th=[ 80217], | 99.00th=[110625], 99.50th=[139461], 99.90th=[261096], 99.95th=[261096], | 99.99th=[261096] bw ( KiB/s): min= 95, max= 444, per=28.39%, avg=239.29, stdev=81.76, samples=48 iops : min= 5, max= 27, avg=14.27, stdev= 5.22, samples=48 write: IOPS=15, BW=252KiB/s (258kB/s)(6368KiB/25250msec); 0 zone resets clat (usec): min=1559, max=263853, avg=30476.15, stdev=34752.27 lat (usec): min=1559, max=263857, avg=30478.84, stdev=34753.58 clat percentiles (usec): | 1.00th=[ 1631], 5.00th=[ 1876], 10.00th=[ 2474], 20.00th=[ 4883], | 30.00th=[ 7635], 40.00th=[ 12387], 50.00th=[ 18482], 60.00th=[ 24511], | 70.00th=[ 35914], 80.00th=[ 53216], 90.00th=[ 73925], 95.00th=[ 98042], | 99.00th=[154141], 99.50th=[238027], 99.90th=[263193], 99.95th=[263193], | 99.99th=[263193] bw ( KiB/s): min= 32, max= 603, per=28.53%, avg=253.10, stdev=106.85, samples=49 iops : min= 2, max= 37, avg=15.14, stdev= 6.66, samples=49 lat (usec) : 50=1.30%, 100=8.98%, 250=0.65% lat (msec) : 2=4.17%, 4=4.82%, 10=9.77%, 20=11.33%, 50=34.64% lat (msec) : 100=21.22%, 250=2.86%, 500=0.26% cpu : usr=0.09%, sys=6.43%, ctx=1426, 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=145119: Fri Sep 4 05:32:01 2026 read: IOPS=13, BW=210KiB/s (215kB/s)(5744KiB/27301msec) clat (usec): min=39, max=229962, avg=37642.94, stdev=29805.21 lat (usec): min=39, max=229964, avg=37643.98, stdev=29805.24 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 198], | 30.00th=[ 23462], 40.00th=[ 28967], 50.00th=[ 36439], 60.00th=[ 43254], | 70.00th=[ 49546], 80.00th=[ 60031], 90.00th=[ 70779], 95.00th=[ 89654], | 99.00th=[127402], 99.50th=[164627], 99.90th=[229639], 99.95th=[229639], | 99.99th=[229639] bw ( KiB/s): min= 31, max= 412, per=25.30%, avg=213.27, stdev=86.95, samples=52 iops : min= 1, max= 25, avg=12.63, stdev= 5.53, samples=52 write: IOPS=14, BW=240KiB/s (245kB/s)(6544KiB/27301msec); 0 zone resets clat (usec): min=1650, max=442186, avg=32852.93, stdev=38668.14 lat (usec): min=1651, max=442189, avg=32855.72, stdev=38668.30 clat percentiles (usec): | 1.00th=[ 1713], 5.00th=[ 2114], 10.00th=[ 2999], 20.00th=[ 5407], | 30.00th=[ 8160], 40.00th=[ 12256], 50.00th=[ 20317], 60.00th=[ 29230], | 70.00th=[ 39060], 80.00th=[ 55837], 90.00th=[ 84411], 95.00th=[ 99091], | 99.00th=[126354], 99.50th=[158335], 99.90th=[442500], 99.95th=[442500], | 99.99th=[442500] bw ( KiB/s): min= 32, max= 477, per=27.38%, avg=242.90, stdev=100.57, samples=52 iops : min= 2, max= 29, avg=14.50, stdev= 6.37, samples=52 lat (usec) : 50=1.04%, 100=7.81%, 250=0.52%, 500=0.13%, 1000=0.26% lat (msec) : 2=2.21%, 4=5.47%, 10=11.33%, 20=9.11%, 50=36.33% lat (msec) : 100=22.14%, 250=3.52%, 500=0.13% cpu : usr=0.05%, sys=6.33%, ctx=1437, 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=145120: Fri Sep 4 05:32:01 2026 read: IOPS=13, BW=220KiB/s (226kB/s)(6256KiB/28398msec) clat (usec): min=32, max=190083, avg=36439.94, stdev=29360.29 lat (usec): min=32, max=190084, avg=36461.26, stdev=29382.18 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 75], | 30.00th=[ 20579], 40.00th=[ 29230], 50.00th=[ 34341], 60.00th=[ 43254], | 70.00th=[ 50594], 80.00th=[ 60556], 90.00th=[ 72877], 95.00th=[ 85459], | 99.00th=[123208], 99.50th=[162530], 99.90th=[189793], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 31, max= 410, per=26.03%, avg=219.40, stdev=93.60, samples=55 iops : min= 1, max= 25, avg=13.05, stdev= 6.00, samples=55 write: IOPS=13, BW=212KiB/s (218kB/s)(6032KiB/28398msec); 0 zone resets clat (usec): min=1652, max=253965, avg=36824.38, stdev=39701.80 lat (usec): min=1653, max=253967, avg=36865.66, stdev=39679.11 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[ 1975], 10.00th=[ 3064], 20.00th=[ 5866], | 30.00th=[ 9241], 40.00th=[ 14484], 50.00th=[ 25297], 60.00th=[ 35390], | 70.00th=[ 46400], 80.00th=[ 60031], 90.00th=[ 86508], 95.00th=[116917], | 99.00th=[177210], 99.50th=[227541], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 62, max= 403, per=23.50%, avg=208.42, stdev=84.42, samples=55 iops : min= 3, max= 25, avg=12.36, stdev= 5.36, samples=55 lat (usec) : 50=1.56%, 100=9.77%, 250=1.04%, 750=0.13% lat (msec) : 2=2.60%, 4=4.56%, 10=9.24%, 20=7.94%, 50=34.24% lat (msec) : 100=24.48%, 250=4.30%, 500=0.13% cpu : usr=0.07%, sys=6.23%, ctx=1486, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145121: Fri Sep 4 05:32:01 2026 read: IOPS=14, BW=232KiB/s (238kB/s)(6032KiB/25994msec) clat (usec): min=37, max=142636, avg=35719.18, stdev=29890.83 lat (usec): min=38, max=142637, avg=35720.29, stdev=29890.88 clat percentiles (usec): | 1.00th=[ 39], 5.00th=[ 55], 10.00th=[ 63], 20.00th=[ 77], | 30.00th=[ 18482], 40.00th=[ 26608], 50.00th=[ 34341], 60.00th=[ 42206], | 70.00th=[ 48497], 80.00th=[ 57934], 90.00th=[ 73925], 95.00th=[ 87557], | 99.00th=[133694], 99.50th=[139461], 99.90th=[143655], 99.95th=[143655], | 99.99th=[143655] bw ( KiB/s): min= 31, max= 412, per=28.25%, avg=238.16, stdev=89.81, samples=49 iops : min= 1, max= 25, avg=14.22, stdev= 5.68, samples=49 write: IOPS=15, BW=241KiB/s (246kB/s)(6256KiB/25994msec); 0 zone resets clat (usec): min=1591, max=213415, avg=30987.44, stdev=33737.17 lat (usec): min=1592, max=213417, avg=30989.58, stdev=33737.12 clat percentiles (usec): | 1.00th=[ 1696], 5.00th=[ 1975], 10.00th=[ 3032], 20.00th=[ 5669], | 30.00th=[ 7701], 40.00th=[ 11731], 50.00th=[ 17433], 60.00th=[ 26346], | 70.00th=[ 38536], 80.00th=[ 55313], 90.00th=[ 71828], 95.00th=[ 95945], | 99.00th=[160433], 99.50th=[202376], 99.90th=[212861], 99.95th=[212861], | 99.99th=[212861] bw ( KiB/s): min= 63, max= 414, per=27.38%, avg=242.90, stdev=89.28, samples=50 iops : min= 3, max= 25, avg=14.52, stdev= 5.60, samples=50 lat (usec) : 50=1.95%, 100=8.72%, 250=1.30%, 500=0.39% lat (msec) : 2=2.99%, 4=4.56%, 10=11.33%, 20=10.16%, 50=32.16% lat (msec) : 100=22.92%, 250=3.52% cpu : usr=0.05%, sys=6.21%, ctx=1376, 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=843KiB/s (864kB/s), 210KiB/s-234KiB/s (215kB/s-240kB/s), io=23.4MiB (24.5MB), run=25250-28398msec WRITE: bw=887KiB/s (909kB/s), 212KiB/s-252KiB/s (218kB/s-258kB/s), io=24.6MiB (25.8MB), run=25250-28398msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145114: Fri Sep 4 05:32:43 2026 read: IOPS=5, BW=84.3KiB/s (86.3kB/s)(5920KiB/70223msec) clat (msec): min=7, max=271, avg=37.06, stdev=32.49 lat (msec): min=7, max=271, avg=37.06, stdev=32.50 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 32], | 70.00th=[ 40], 80.00th=[ 50], 90.00th=[ 68], 95.00th=[ 100], | 99.00th=[ 184], 99.50th=[ 247], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 31, max= 256, per=27.84%, avg=94.95, stdev=55.08, samples=121 iops : min= 1, max= 16, avg= 5.11, stdev= 3.50, samples=121 write: IOPS=5, BW=90.7KiB/s (92.9kB/s)(6368KiB/70223msec); 0 zone resets clat (msec): min=46, max=456, avg=141.02, stdev=59.17 lat (msec): min=46, max=456, avg=141.03, stdev=59.18 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 68], 10.00th=[ 80], 20.00th=[ 92], | 30.00th=[ 105], 40.00th=[ 117], 50.00th=[ 127], 60.00th=[ 138], | 70.00th=[ 159], 80.00th=[ 192], 90.00th=[ 228], 95.00th=[ 257], | 99.00th=[ 334], 99.50th=[ 363], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 21, max= 191, per=25.36%, avg=90.80, stdev=37.27, samples=137 iops : min= 1, max= 11, avg= 4.88, stdev= 2.36, samples=137 lat (msec) : 10=1.17%, 20=13.02%, 50=24.74%, 100=20.31%, 250=37.63% lat (msec) : 500=3.12% cpu : usr=0.05%, sys=1.45%, ctx=1390, 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=145115: Fri Sep 4 05:32:43 2026 read: IOPS=5, BW=81.8KiB/s (83.8kB/s)(5744KiB/70230msec) clat (msec): min=7, max=235, avg=39.66, stdev=36.59 lat (msec): min=7, max=235, avg=39.66, stdev=36.59 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 42], 80.00th=[ 56], 90.00th=[ 78], 95.00th=[ 113], | 99.00th=[ 224], 99.50th=[ 228], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 21, max= 319, per=28.59%, avg=97.48, stdev=59.41, samples=115 iops : min= 1, max= 19, avg= 5.30, stdev= 3.69, samples=115 write: IOPS=5, BW=93.2KiB/s (95.4kB/s)(6544KiB/70230msec); 0 zone resets clat (msec): min=52, max=498, avg=136.24, stdev=57.40 lat (msec): min=52, max=498, avg=136.24, stdev=57.40 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 68], 10.00th=[ 75], 20.00th=[ 90], | 30.00th=[ 102], 40.00th=[ 112], 50.00th=[ 127], 60.00th=[ 140], | 70.00th=[ 157], 80.00th=[ 180], 90.00th=[ 207], 95.00th=[ 232], | 99.00th=[ 309], 99.50th=[ 363], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 31, max= 160, per=26.24%, avg=93.96, stdev=37.90, samples=136 iops : min= 1, max= 10, avg= 5.07, stdev= 2.42, samples=136 lat (msec) : 10=1.04%, 20=12.76%, 50=22.01%, 100=22.79%, 250=39.58% lat (msec) : 500=1.82% cpu : usr=0.03%, sys=1.42%, ctx=1366, 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=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=145116: Fri Sep 4 05:32:43 2026 read: IOPS=5, BW=93.5KiB/s (95.7kB/s)(6256KiB/66927msec) clat (msec): min=7, max=237, avg=37.46, stdev=32.23 lat (msec): min=7, max=237, avg=37.46, stdev=32.23 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 30], | 70.00th=[ 37], 80.00th=[ 53], 90.00th=[ 80], 95.00th=[ 101], | 99.00th=[ 174], 99.50th=[ 213], 99.90th=[ 239], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 31, max= 318, per=29.62%, avg=101.01, stdev=70.57, samples=122 iops : min= 1, max= 19, avg= 5.52, stdev= 4.46, samples=122 write: IOPS=5, BW=90.1KiB/s (92.3kB/s)(6032KiB/66927msec); 0 zone resets clat (msec): min=51, max=421, avg=138.49, stdev=56.95 lat (msec): min=51, max=421, avg=138.50, stdev=56.95 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 68], 10.00th=[ 78], 20.00th=[ 93], | 30.00th=[ 103], 40.00th=[ 115], 50.00th=[ 128], 60.00th=[ 140], | 70.00th=[ 161], 80.00th=[ 178], 90.00th=[ 220], 95.00th=[ 243], | 99.00th=[ 338], 99.50th=[ 388], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 30, max= 160, per=24.99%, avg=89.45, stdev=36.56, samples=132 iops : min= 1, max= 10, avg= 4.80, stdev= 2.34, samples=132 lat (msec) : 10=0.65%, 20=16.28%, 50=22.92%, 100=22.14%, 250=36.33% lat (msec) : 500=1.69% cpu : usr=0.03%, sys=1.45%, ctx=1320, 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=145117: Fri Sep 4 05:32:43 2026 read: IOPS=5, BW=87.1KiB/s (89.2kB/s)(6032KiB/69220msec) clat (msec): min=6, max=195, avg=38.50, stdev=34.94 lat (msec): min=6, max=195, avg=38.50, stdev=34.94 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 39], 80.00th=[ 50], 90.00th=[ 84], 95.00th=[ 110], | 99.00th=[ 186], 99.50th=[ 190], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 30, max= 287, per=28.58%, avg=97.45, stdev=60.89, samples=121 iops : min= 1, max= 17, avg= 5.30, stdev= 3.84, samples=121 write: IOPS=5, BW=90.4KiB/s (92.5kB/s)(6256KiB/69220msec); 0 zone resets clat (msec): min=47, max=507, avg=139.30, stdev=63.08 lat (msec): min=47, max=507, avg=139.30, stdev=63.08 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 71], 10.00th=[ 79], 20.00th=[ 90], | 30.00th=[ 101], 40.00th=[ 113], 50.00th=[ 124], 60.00th=[ 136], | 70.00th=[ 157], 80.00th=[ 184], 90.00th=[ 213], 95.00th=[ 271], | 99.00th=[ 359], 99.50th=[ 430], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 31, max= 191, per=25.36%, avg=90.80, stdev=37.15, samples=135 iops : min= 1, max= 11, avg= 4.88, stdev= 2.37, samples=135 lat (msec) : 10=1.69%, 20=14.58%, 50=23.57%, 100=21.61%, 250=35.16% lat (msec) : 500=3.26%, 750=0.13% cpu : usr=0.06%, sys=1.58%, ctx=1400, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=341KiB/s (349kB/s), 81.8KiB/s-93.5KiB/s (83.8kB/s-95.7kB/s), io=23.4MiB (24.5MB), run=66927-70230msec WRITE: bw=359KiB/s (367kB/s), 90.1KiB/s-93.2KiB/s (92.3kB/s-95.4kB/s), io=24.6MiB (25.8MB), run=66927-70230msec 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=145144: Fri Sep 4 05:33:01 2026 read: IOPS=1, BW=1965KiB/s (2012kB/s)(7168KiB/3648msec) clat (usec): min=598, max=345431, avg=212794.47, stdev=108128.93 lat (usec): min=600, max=345432, avg=212795.95, stdev=108128.87 clat percentiles (usec): | 1.00th=[ 603], 5.00th=[ 603], 10.00th=[ 603], 20.00th=[179307], | 30.00th=[202376], 40.00th=[202376], 50.00th=[225444], 60.00th=[254804], | 70.00th=[254804], 80.00th=[278922], 90.00th=[346031], 95.00th=[346031], | 99.00th=[346031], 99.50th=[346031], 99.90th=[346031], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 1625, max= 4096, per=82.37%, avg=3248.00, stdev=1406.03, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 write: IOPS=1, BW=1404KiB/s (1437kB/s)(5120KiB/3648msec); 0 zone resets clat (msec): min=180, max=606, avg=370.57, stdev=174.43 lat (msec): min=180, max=606, avg=370.66, stdev=174.45 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 180], 10.00th=[ 180], 20.00th=[ 180], | 30.00th=[ 218], 40.00th=[ 218], 50.00th=[ 409], 60.00th=[ 409], | 70.00th=[ 443], 80.00th=[ 443], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 1965, max= 4063, per=48.74%, avg=2690.33, stdev=1189.40, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=41.67%, 750=8.33% cpu : usr=0.00%, sys=14.75%, ctx=283, 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=145145: Fri Sep 4 05:33:01 2026 read: IOPS=0, BW=394KiB/s (404kB/s)(2048KiB/5194msec) clat (msec): min=188, max=490, avg=339.32, stdev=213.95 lat (msec): min=188, max=490, avg=339.33, stdev=213.95 clat percentiles (msec): | 1.00th=[ 188], 5.00th=[ 188], 10.00th=[ 188], 20.00th=[ 188], | 30.00th=[ 188], 40.00th=[ 188], 50.00th=[ 188], 60.00th=[ 489], | 70.00th=[ 489], 80.00th=[ 489], 90.00th=[ 489], 95.00th=[ 489], | 99.00th=[ 489], 99.50th=[ 489], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 1590, max= 2035, per=45.97%, avg=1812.50, stdev=314.66, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1972KiB/s (2019kB/s)(10.0MiB/5194msec); 0 zone resets clat (msec): min=121, max=904, avg=422.94, stdev=249.29 lat (msec): min=121, max=904, avg=424.05, stdev=248.61 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 228], | 30.00th=[ 271], 40.00th=[ 300], 50.00th=[ 317], 60.00th=[ 330], | 70.00th=[ 384], 80.00th=[ 676], 90.00th=[ 701], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 2023, max= 3930, per=48.08%, avg=2654.00, stdev=957.40, samples=6 iops : min= 1, max= 3, avg= 1.83, stdev= 0.98, samples=6 lat (msec) : 250=25.00%, 500=50.00%, 750=16.67%, 1000=8.33% cpu : usr=0.06%, sys=12.02%, ctx=245, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145147: Fri Sep 4 05:33:01 2026 read: IOPS=1, BW=1721KiB/s (1762kB/s)(6144KiB/3571msec) clat (usec): min=421, max=274940, avg=103074.26, stdev=118739.77 lat (usec): min=422, max=274940, avg=103075.38, stdev=118739.53 clat percentiles (usec): | 1.00th=[ 420], 5.00th=[ 420], 10.00th=[ 420], 20.00th=[ 529], | 30.00th=[ 529], 40.00th=[ 1582], 50.00th=[ 1582], 60.00th=[154141], | 70.00th=[185598], 80.00th=[185598], 90.00th=[274727], 95.00th=[274727], | 99.00th=[274727], 99.50th=[274727], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 2031, max= 4096, per=69.07%, avg=2723.33, stdev=1188.78, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 write: IOPS=1, BW=1721KiB/s (1762kB/s)(6144KiB/3571msec); 0 zone resets clat (msec): min=113, max=887, avg=486.17, stdev=285.92 lat (msec): min=113, max=887, avg=486.44, stdev=285.83 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 342], | 30.00th=[ 342], 40.00th=[ 355], 50.00th=[ 355], 60.00th=[ 468], | 70.00th=[ 751], 80.00th=[ 751], 90.00th=[ 885], 95.00th=[ 885], | 99.00th=[ 885], 99.50th=[ 885], 99.90th=[ 885], 99.95th=[ 885], | 99.99th=[ 885] bw ( KiB/s): min= 1549, max= 2048, per=34.91%, avg=1927.20, stdev=214.03, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 lat (usec) : 500=8.33%, 750=8.33% lat (msec) : 2=8.33%, 250=25.00%, 500=33.33%, 1000=16.67% cpu : usr=0.00%, sys=12.10%, ctx=130, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=145148: Fri Sep 4 05:33:01 2026 read: IOPS=1, BW=1079KiB/s (1105kB/s)(5120KiB/4746msec) clat (usec): min=484, max=410554, avg=226167.56, stdev=157494.59 lat (usec): min=486, max=410555, avg=226168.65, stdev=157494.54 clat percentiles (usec): | 1.00th=[ 486], 5.00th=[ 486], 10.00th=[ 486], 20.00th=[ 486], | 30.00th=[154141], 40.00th=[154141], 50.00th=[244319], 60.00th=[244319], | 70.00th=[320865], 80.00th=[320865], 90.00th=[408945], 95.00th=[408945], | 99.00th=[408945], 99.50th=[408945], 99.90th=[408945], 99.95th=[408945], | 99.99th=[408945] bw ( KiB/s): min= 4047, max= 4071, per=100.00%, avg=4059.00, stdev=16.97, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1510KiB/s (1547kB/s)(7168KiB/4746msec); 0 zone resets clat (msec): min=230, max=879, avg=483.24, stdev=284.88 lat (msec): min=230, max=879, avg=483.52, stdev=284.73 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 230], 10.00th=[ 230], 20.00th=[ 234], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 330], 60.00th=[ 527], | 70.00th=[ 527], 80.00th=[ 869], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 1570, max= 3849, per=40.70%, avg=2246.83, stdev=805.32, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (usec) : 500=8.33% lat (msec) : 250=33.33%, 500=33.33%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=11.21%, ctx=165, 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=3943KiB/s (4038kB/s), 394KiB/s-1965KiB/s (404kB/s-2012kB/s), io=20.0MiB (20.0MB), run=3571-5194msec WRITE: bw=5520KiB/s (5653kB/s), 1404KiB/s-1972KiB/s (1437kB/s-2019kB/s), io=28.0MiB (29.4MB), run=3571-5194msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145141: Fri Sep 4 05:33:01 2026 read: IOPS=2, BW=2080KiB/s (2130kB/s)(7168KiB/3446msec) clat (msec): min=102, max=417, avg=217.13, stdev=108.34 lat (msec): min=102, max=417, avg=217.13, stdev=108.34 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 104], 10.00th=[ 104], 20.00th=[ 121], | 30.00th=[ 167], 40.00th=[ 167], 50.00th=[ 188], 60.00th=[ 245], | 70.00th=[ 245], 80.00th=[ 279], 90.00th=[ 418], 95.00th=[ 418], | 99.00th=[ 418], 99.50th=[ 418], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 1865, max= 3131, per=57.76%, avg=2214.60, stdev=517.19, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1486KiB/s (1521kB/s)(5120KiB/3446msec); 0 zone resets clat (msec): min=245, max=433, avg=348.35, stdev=76.86 lat (msec): min=245, max=433, avg=348.43, stdev=76.85 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 245], 10.00th=[ 245], 20.00th=[ 245], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 372], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 397], 90.00th=[ 435], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 2003, max= 4087, per=47.21%, avg=2534.00, stdev=1035.40, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 250=50.00%, 500=50.00% cpu : usr=0.03%, sys=4.85%, ctx=65, 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=145142: Fri Sep 4 05:33:01 2026 read: IOPS=0, BW=401KiB/s (410kB/s)(2048KiB/5109msec) clat (msec): min=181, max=499, avg=340.51, stdev=224.18 lat (msec): min=181, max=499, avg=340.51, stdev=224.18 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 182], | 30.00th=[ 182], 40.00th=[ 182], 50.00th=[ 182], 60.00th=[ 498], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 498], 95.00th=[ 498], | 99.00th=[ 498], 99.50th=[ 498], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 1762, max= 2043, per=49.62%, avg=1902.50, stdev=198.70, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=2004KiB/s (2052kB/s)(10.0MiB/5109msec); 0 zone resets clat (msec): min=238, max=680, avg=434.45, stdev=171.55 lat (msec): min=238, max=680, avg=434.59, stdev=171.51 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 239], 10.00th=[ 239], 20.00th=[ 247], | 30.00th=[ 253], 40.00th=[ 264], 50.00th=[ 447], 60.00th=[ 502], | 70.00th=[ 514], 80.00th=[ 592], 90.00th=[ 617], 95.00th=[ 684], | 99.00th=[ 684], 99.50th=[ 684], 99.90th=[ 684], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 1996, max= 4079, per=47.55%, avg=2552.71, stdev=928.99, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 250=25.00%, 500=33.33%, 750=41.67% cpu : usr=0.06%, sys=2.68%, ctx=48, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145143: Fri Sep 4 05:33:01 2026 read: IOPS=1, BW=1150KiB/s (1178kB/s)(6144KiB/5341msec) clat (msec): min=85, max=776, avg=315.43, stdev=252.14 lat (msec): min=85, max=776, avg=315.43, stdev=252.14 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 86], 10.00th=[ 86], 20.00th=[ 103], | 30.00th=[ 103], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 279], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 776], 95.00th=[ 776], | 99.00th=[ 776], 99.50th=[ 776], 99.90th=[ 776], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 1996, max= 2039, per=52.60%, avg=2016.80, stdev=18.17, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 write: IOPS=1, BW=1150KiB/s (1178kB/s)(6144KiB/5341msec); 0 zone resets clat (msec): min=255, max=1018, avg=567.74, stdev=288.24 lat (msec): min=255, max=1018, avg=567.88, stdev=288.25 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 255], 10.00th=[ 255], 20.00th=[ 284], | 30.00th=[ 284], 40.00th=[ 489], 50.00th=[ 489], 60.00th=[ 642], | 70.00th=[ 718], 80.00th=[ 718], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 1553, max= 2043, per=36.16%, avg=1941.33, stdev=190.90, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 100=8.33%, 250=8.33%, 500=50.00%, 750=16.67%, 1000=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=4.01%, ctx=106, 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=145146: Fri Sep 4 05:33:01 2026 read: IOPS=1, BW=1169KiB/s (1197kB/s)(5120KiB/4380msec) clat (msec): min=138, max=487, avg=228.58, stdev=146.52 lat (msec): min=138, max=487, avg=228.58, stdev=146.53 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 178], 60.00th=[ 178], | 70.00th=[ 192], 80.00th=[ 192], 90.00th=[ 489], 95.00th=[ 489], | 99.00th=[ 489], 99.50th=[ 489], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 1996, max= 4031, per=70.16%, avg=2690.00, stdev=1161.58, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1637KiB/s (1676kB/s)(7168KiB/4380msec); 0 zone resets clat (msec): min=235, max=878, avg=454.24, stdev=243.08 lat (msec): min=235, max=879, avg=454.35, stdev=243.08 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 236], 10.00th=[ 236], 20.00th=[ 266], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 393], 60.00th=[ 456], | 70.00th=[ 456], 80.00th=[ 684], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 1695, max= 4079, per=44.05%, avg=2364.60, stdev=968.48, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=41.67%, 500=41.67%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=4.18%, ctx=97, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3834KiB/s (3927kB/s), 401KiB/s-2080KiB/s (410kB/s-2130kB/s), io=20.0MiB (20.0MB), run=3446-5341msec WRITE: bw=5368KiB/s (5497kB/s), 1150KiB/s-2004KiB/s (1178kB/s-2052kB/s), io=28.0MiB (29.4MB), run=3446-5341msec 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=145154: Fri Sep 4 05:33:15 2026 read: IOPS=1, BW=4491KiB/s (4599kB/s)(12.0MiB/2736msec) clat (msec): min=760, max=1088, avg=895.32, stdev=171.39 lat (msec): min=760, max=1088, avg=895.33, stdev=171.39 clat percentiles (msec): | 1.00th=[ 760], 5.00th=[ 760], 10.00th=[ 760], 20.00th=[ 760], | 30.00th=[ 760], 40.00th=[ 835], 50.00th=[ 835], 60.00th=[ 835], | 70.00th=[ 1083], 80.00th=[ 1083], 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= 8031, max= 8175, per=100.00%, avg=8103.00, stdev=101.82, 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=12.58%, ctx=259, 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=145155: Fri Sep 4 05:33:15 2026 read: IOPS=0, BW=1147KiB/s (1174kB/s)(4096KiB/3572msec) clat (nsec): min=710582k, max=710582k, avg=710582107.00, stdev= 0.00 lat (nsec): min=710585k, max=710585k, avg=710585022.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 709], 5.00th=[ 709], 10.00th=[ 709], 20.00th=[ 709], | 30.00th=[ 709], 40.00th=[ 709], 50.00th=[ 709], 60.00th=[ 709], | 70.00th=[ 709], 80.00th=[ 709], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 8078, max= 8078, per=100.00%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2293KiB/s (2348kB/s)(8192KiB/3572msec); 0 zone resets clat (msec): min=1031, max=1670, avg=1350.91, stdev=452.14 lat (msec): min=1031, max=1671, avg=1351.34, stdev=452.15 clat percentiles (msec): | 1.00th=[ 1028], 5.00th=[ 1028], 10.00th=[ 1028], 20.00th=[ 1028], | 30.00th=[ 1028], 40.00th=[ 1028], 50.00th=[ 1028], 60.00th=[ 1670], | 70.00th=[ 1670], 80.00th=[ 1670], 90.00th=[ 1670], 95.00th=[ 1670], | 99.00th=[ 1670], 99.50th=[ 1670], 99.90th=[ 1670], 99.95th=[ 1670], | 99.99th=[ 1670] bw ( KiB/s): min= 8159, max= 8159, per=90.11%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=4.34%, ctx=69, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=145156: Fri Sep 4 05:33:15 2026 write: IOPS=0, BW=3395KiB/s (3477kB/s)(12.0MiB/3619msec); 0 zone resets clat (msec): min=349, max=2025, avg=1180.24, stdev=837.90 lat (msec): min=350, max=2025, avg=1180.70, stdev=837.80 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 1167], 50.00th=[ 1167], 60.00th=[ 1167], | 70.00th=[ 2022], 80.00th=[ 2022], 90.00th=[ 2022], 95.00th=[ 2022], | 99.00th=[ 2022], 99.50th=[ 2022], 99.90th=[ 2022], 99.95th=[ 2022], | 99.99th=[ 2022] bw ( KiB/s): min= 8078, max= 8126, per=89.49%, avg=8102.00, stdev=33.94, 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=0.11%, sys=6.00%, ctx=98, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145158: Fri Sep 4 05:33:15 2026 write: IOPS=1, BW=5430KiB/s (5560kB/s)(12.0MiB/2263msec); 0 zone resets clat (msec): min=451, max=1063, avg=689.25, stdev=328.06 lat (msec): min=451, max=1063, avg=691.10, stdev=327.22 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 451], 10.00th=[ 451], 20.00th=[ 451], | 30.00th=[ 451], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 1062], 80.00th=[ 1062], 90.00th=[ 1062], 95.00th=[ 1062], | 99.00th=[ 1062], 99.50th=[ 1062], 99.90th=[ 1062], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 8078, max= 8175, per=89.76%, avg=8126.50, stdev=68.59, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.09%, sys=5.04%, ctx=39, 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=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=4587KiB/s (4697kB/s), 1147KiB/s-4491KiB/s (1174kB/s-4599kB/s), io=16.0MiB (16.8MB), run=2736-3572msec WRITE: bw=9054KiB/s (9272kB/s), 2293KiB/s-5430KiB/s (2348kB/s-5560kB/s), io=32.0MiB (33.6MB), run=2263-3619msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145159: Fri Sep 4 05:33:16 2026 read: IOPS=1, BW=4246KiB/s (4348kB/s)(12.0MiB/2894msec) clat (msec): min=230, max=1355, avg=946.41, stdev=621.80 lat (msec): min=230, max=1355, avg=946.41, stdev=621.80 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 232], | 30.00th=[ 232], 40.00th=[ 1250], 50.00th=[ 1250], 60.00th=[ 1250], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 7937, max= 7937, per=100.00%, avg=7937.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.66%, ctx=45, 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=145160: Fri Sep 4 05:33:16 2026 read: IOPS=0, BW=1045KiB/s (1070kB/s)(4096KiB/3919msec) clat (nsec): min=1400.7M, max=1400.7M, avg=1400670772.00, stdev= 0.00 lat (nsec): min=1400.7M, max=1400.7M, avg=1400673382.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1401], 5.00th=[ 1401], 10.00th=[ 1401], 20.00th=[ 1401], | 30.00th=[ 1401], 40.00th=[ 1401], 50.00th=[ 1401], 60.00th=[ 1401], | 70.00th=[ 1401], 80.00th=[ 1401], 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= 7937, max= 7937, per=100.00%, avg=7937.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2090KiB/s (2140kB/s)(8192KiB/3919msec); 0 zone resets clat (msec): min=434, max=2008, avg=1221.30, stdev=1112.98 lat (msec): min=434, max=2008, avg=1221.63, stdev=1113.07 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 435], 10.00th=[ 435], 20.00th=[ 435], | 30.00th=[ 435], 40.00th=[ 435], 50.00th=[ 435], 60.00th=[ 2005], | 70.00th=[ 2005], 80.00th=[ 2005], 90.00th=[ 2005], 95.00th=[ 2005], | 99.00th=[ 2005], 99.50th=[ 2005], 99.90th=[ 2005], 99.95th=[ 2005], | 99.99th=[ 2005] bw ( KiB/s): min= 8126, max= 8126, per=97.19%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.81%, ctx=45, 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=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=145161: Fri Sep 4 05:33:16 2026 write: IOPS=0, BW=3184KiB/s (3261kB/s)(12.0MiB/3859msec); 0 zone resets clat (msec): min=330, max=1844, avg=1269.27, stdev=819.73 lat (msec): min=331, max=1845, avg=1269.74, stdev=819.52 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 330], 10.00th=[ 330], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 1636], 50.00th=[ 1636], 60.00th=[ 1636], | 70.00th=[ 1838], 80.00th=[ 1838], 90.00th=[ 1838], 95.00th=[ 1838], | 99.00th=[ 1838], 99.50th=[ 1838], 99.90th=[ 1838], 99.95th=[ 1838], | 99.99th=[ 1838] bw ( KiB/s): min= 8126, max= 8126, per=97.19%, avg=8126.00, stdev= 0.00, 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=2.46%, ctx=39, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145162: Fri Sep 4 05:33:16 2026 write: IOPS=1, BW=4949KiB/s (5068kB/s)(12.0MiB/2483msec); 0 zone resets clat (msec): min=527, max=1048, avg=803.50, stdev=261.99 lat (msec): min=527, max=1048, avg=804.05, stdev=261.74 clat percentiles (msec): | 1.00th=[ 527], 5.00th=[ 527], 10.00th=[ 527], 20.00th=[ 527], | 30.00th=[ 527], 40.00th=[ 835], 50.00th=[ 835], 60.00th=[ 835], | 70.00th=[ 1045], 80.00th=[ 1045], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 8078, max= 8126, per=96.90%, avg=8102.00, stdev=33.94, 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=0.00%, sys=5.00%, ctx=61, 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=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=4181KiB/s (4281kB/s), 1045KiB/s-4246KiB/s (1070kB/s-4348kB/s), io=16.0MiB (16.8MB), run=2894-3919msec WRITE: bw=8361KiB/s (8562kB/s), 2090KiB/s-4949KiB/s (2140kB/s-5068kB/s), io=32.0MiB (33.6MB), run=2483-3919msec