== sanity test 398b: DIO and buffer IO race ============== 02:20:53 (1786170053) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.26691 s, 8.0 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145083: Sat Aug 8 02:23:39 2026 read: IOPS=10, BW=41.5KiB/s (42.5kB/s)(5992KiB/144477msec) clat (usec): min=32, max=812074, avg=48104.60, stdev=38237.10 lat (usec): min=32, max=812076, avg=48107.81, stdev=38235.05 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 63], 10.00th=[ 13304], 20.00th=[ 23462], | 30.00th=[ 29230], 40.00th=[ 34866], 50.00th=[ 41681], 60.00th=[ 49021], | 70.00th=[ 57410], 80.00th=[ 70779], 90.00th=[ 91751], 95.00th=[110625], | 99.00th=[152044], 99.50th=[175113], 99.90th=[299893], 99.95th=[809501], | 99.99th=[809501] bw ( KiB/s): min= 7, max= 102, per=25.41%, avg=41.16, stdev=18.31, samples=282 iops : min= 1, max= 25, avg= 9.62, stdev= 4.62, samples=282 write: IOPS=10, BW=43.6KiB/s (44.6kB/s)(6296KiB/144477msec); 0 zone resets clat (usec): min=1011, max=478055, avg=45733.17, stdev=48817.09 lat (usec): min=1012, max=478057, avg=45740.34, stdev=48817.14 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1385], 10.00th=[ 2024], 20.00th=[ 5014], | 30.00th=[ 10552], 40.00th=[ 19792], 50.00th=[ 32900], 60.00th=[ 44827], | 70.00th=[ 59507], 80.00th=[ 80217], 90.00th=[108528], 95.00th=[141558], | 99.00th=[204473], 99.50th=[235930], 99.90th=[459277], 99.95th=[476054], | 99.99th=[476054] bw ( KiB/s): min= 7, max= 110, per=25.38%, avg=43.15, stdev=19.55, samples=283 iops : min= 1, max= 27, avg=10.12, stdev= 4.92, samples=283 lat (usec) : 50=0.39%, 100=3.42%, 250=0.20%, 500=0.07%, 750=0.16% lat (msec) : 2=5.14%, 4=3.65%, 10=6.67%, 20=7.88%, 50=34.77% lat (msec) : 100=27.99%, 250=9.44%, 500=0.20%, 1000=0.03% cpu : usr=0.07%, sys=4.43%, ctx=6360, 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=145084: Sat Aug 8 02:23:39 2026 read: IOPS=10, BW=40.3KiB/s (41.3kB/s)(5940KiB/147318msec) clat (usec): min=28, max=543866, avg=48365.58, stdev=34988.14 lat (usec): min=28, max=543867, avg=48372.13, stdev=34983.26 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 67], 10.00th=[ 11863], 20.00th=[ 23725], | 30.00th=[ 30016], 40.00th=[ 35914], 50.00th=[ 41681], 60.00th=[ 50070], | 70.00th=[ 58983], 80.00th=[ 72877], 90.00th=[ 88605], 95.00th=[108528], | 99.00th=[156238], 99.50th=[170918], 99.90th=[270533], 99.95th=[541066], | 99.99th=[541066] bw ( KiB/s): min= 7, max= 103, per=24.57%, avg=39.81, stdev=17.41, samples=289 iops : min= 1, max= 25, avg= 9.28, stdev= 4.38, samples=289 write: IOPS=10, BW=43.1KiB/s (44.1kB/s)(6348KiB/147318msec); 0 zone resets clat (usec): min=974, max=497998, avg=47248.14, stdev=48515.07 lat (usec): min=977, max=498000, avg=47256.52, stdev=48513.58 clat percentiles (usec): | 1.00th=[ 1254], 5.00th=[ 1385], 10.00th=[ 1795], 20.00th=[ 4948], | 30.00th=[ 10552], 40.00th=[ 22152], 50.00th=[ 34866], 60.00th=[ 47973], | 70.00th=[ 63701], 80.00th=[ 85459], 90.00th=[111674], 95.00th=[133694], | 99.00th=[187696], 99.50th=[250610], 99.90th=[429917], 99.95th=[497026], | 99.99th=[497026] bw ( KiB/s): min= 7, max= 119, per=25.07%, avg=42.62, stdev=19.51, samples=288 iops : min= 1, max= 29, avg=10.00, stdev= 4.94, samples=288 lat (usec) : 50=0.42%, 100=3.29%, 250=0.39%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.03% lat (msec) : 2=5.50%, 4=3.58%, 10=6.45%, 20=7.45%, 50=33.59% lat (msec) : 100=29.07%, 250=9.83%, 500=0.26%, 750=0.03% cpu : usr=0.06%, sys=4.70%, ctx=6624, 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=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=145085: Sat Aug 8 02:23:39 2026 read: IOPS=10, BW=41.2KiB/s (42.2kB/s)(6028KiB/146422msec) clat (usec): min=33, max=455824, avg=48485.92, stdev=36196.41 lat (usec): min=33, max=455825, avg=48490.67, stdev=36201.59 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 64], 10.00th=[ 5211], 20.00th=[ 22938], | 30.00th=[ 29492], 40.00th=[ 35390], 50.00th=[ 40633], 60.00th=[ 49021], | 70.00th=[ 59507], 80.00th=[ 72877], 90.00th=[ 94897], 95.00th=[113771], | 99.00th=[158335], 99.50th=[173016], 99.90th=[308282], 99.95th=[455082], | 99.99th=[455082] bw ( KiB/s): min= 7, max= 103, per=25.28%, avg=40.96, stdev=18.83, samples=285 iops : min= 1, max= 25, avg= 9.57, stdev= 4.77, samples=285 write: IOPS=10, BW=42.8KiB/s (43.8kB/s)(6260KiB/146422msec); 0 zone resets clat (usec): min=933, max=745206, avg=46596.40, stdev=50561.29 lat (usec): min=934, max=745208, avg=46598.47, stdev=50561.26 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1369], 10.00th=[ 1926], 20.00th=[ 5211], | 30.00th=[ 9765], 40.00th=[ 21627], 50.00th=[ 33424], 60.00th=[ 46400], | 70.00th=[ 62129], 80.00th=[ 80217], 90.00th=[108528], 95.00th=[137364], | 99.00th=[204473], 99.50th=[235930], 99.90th=[484443], 99.95th=[742392], | 99.99th=[742392] bw ( KiB/s): min= 7, max= 109, per=24.91%, avg=42.34, stdev=18.17, samples=286 iops : min= 1, max= 27, avg= 9.92, stdev= 4.58, samples=286 lat (usec) : 50=0.46%, 100=3.78%, 250=0.49%, 500=0.03%, 1000=0.07% lat (msec) : 2=5.18%, 4=3.22%, 10=7.36%, 20=7.23%, 50=33.98% lat (msec) : 100=28.13%, 250=9.86%, 500=0.20%, 750=0.03% cpu : usr=0.06%, sys=4.63%, ctx=6627, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145086: Sat Aug 8 02:23:39 2026 read: IOPS=10, BW=41.1KiB/s (42.1kB/s)(6052KiB/147263msec) clat (usec): min=33, max=528854, avg=48246.76, stdev=35370.65 lat (usec): min=33, max=528855, avg=48249.20, stdev=35371.57 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 62], 10.00th=[ 8717], 20.00th=[ 23200], | 30.00th=[ 29754], 40.00th=[ 35914], 50.00th=[ 42730], 60.00th=[ 50070], | 70.00th=[ 58983], 80.00th=[ 70779], 90.00th=[ 89654], 95.00th=[110625], | 99.00th=[154141], 99.50th=[187696], 99.90th=[221250], 99.95th=[530580], | 99.99th=[530580] bw ( KiB/s): min= 7, max= 94, per=25.15%, avg=40.74, stdev=17.96, samples=288 iops : min= 1, max= 23, avg= 9.52, stdev= 4.54, samples=288 write: IOPS=10, BW=42.3KiB/s (43.4kB/s)(6236KiB/147263msec); 0 zone resets clat (usec): min=948, max=457633, avg=47377.89, stdev=48462.54 lat (usec): min=948, max=457635, avg=47379.59, stdev=48462.60 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1369], 10.00th=[ 1893], 20.00th=[ 4883], | 30.00th=[ 10028], 40.00th=[ 21890], 50.00th=[ 33817], 60.00th=[ 47973], | 70.00th=[ 64750], 80.00th=[ 83362], 90.00th=[109577], 95.00th=[137364], | 99.00th=[198181], 99.50th=[238027], 99.90th=[408945], 99.95th=[459277], | 99.99th=[459277] bw ( KiB/s): min= 7, max= 101, per=24.60%, avg=41.83, stdev=19.14, samples=289 iops : min= 1, max= 25, avg= 9.79, stdev= 4.85, samples=289 lat (usec) : 50=0.49%, 100=3.58%, 250=0.52%, 500=0.07%, 750=0.10% lat (usec) : 1000=0.07% lat (msec) : 2=5.24%, 4=3.84%, 10=6.28%, 20=7.29%, 50=33.11% lat (msec) : 100=28.94%, 250=10.29%, 500=0.16%, 750=0.03% cpu : usr=0.07%, sys=4.64%, ctx=6535, 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=163KiB/s (167kB/s), 40.3KiB/s-41.5KiB/s (41.3kB/s-42.5kB/s), io=23.4MiB (24.6MB), run=144477-147318msec WRITE: bw=171KiB/s (175kB/s), 42.3KiB/s-43.6KiB/s (43.4kB/s-44.6kB/s), io=24.6MiB (25.7MB), run=144477-147318msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145090: Sat Aug 8 02:26:14 2026 read: IOPS=4, BW=19.0KiB/s (20.4kB/s)(5992KiB/300179msec) clat (msec): min=6, max=938, avg=39.36, stdev=45.59 lat (msec): min=6, max=938, avg=39.37, stdev=45.59 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 39], 80.00th=[ 51], 90.00th=[ 85], 95.00th=[ 115], | 99.00th=[ 211], 99.50th=[ 239], 99.90th=[ 493], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7, max= 96, per=29.51%, avg=23.31, stdev=15.71, samples=495 iops : min= 1, max= 24, avg= 5.20, stdev= 4.01, samples=495 write: IOPS=5, BW=20.0KiB/s (21.5kB/s)(6296KiB/300179msec); 0 zone resets clat (msec): min=34, max=546, avg=153.15, stdev=71.72 lat (msec): min=34, max=546, avg=153.15, stdev=71.72 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 67], 10.00th=[ 79], 20.00th=[ 94], | 30.00th=[ 109], 40.00th=[ 123], 50.00th=[ 138], 60.00th=[ 155], | 70.00th=[ 178], 80.00th=[ 207], 90.00th=[ 251], 95.00th=[ 296], | 99.00th=[ 384], 99.50th=[ 426], 99.90th=[ 514], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 7, max= 48, per=24.90%, avg=20.67, stdev= 9.65, samples=583 iops : min= 1, max= 12, avg= 4.53, stdev= 2.47, samples=583 lat (msec) : 10=1.92%, 20=15.46%, 50=22.04%, 100=18.75%, 250=36.39% lat (msec) : 500=5.34%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.18%, ctx=5044, 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=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=145091: Sat Aug 8 02:26:14 2026 read: IOPS=4, BW=19.7KiB/s (20.2kB/s)(5940KiB/301642msec) clat (msec): min=5, max=618, avg=39.61, stdev=43.21 lat (msec): min=5, max=618, avg=39.62, stdev=43.21 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 53], 90.00th=[ 89], 95.00th=[ 117], | 99.00th=[ 194], 99.50th=[ 247], 99.90th=[ 506], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 7, max= 88, per=28.92%, avg=22.85, stdev=15.68, samples=500 iops : min= 1, max= 22, avg= 5.08, stdev= 3.97, samples=500 write: IOPS=5, BW=21.0KiB/s (21.5kB/s)(6348KiB/301642msec); 0 zone resets clat (msec): min=34, max=659, avg=152.87, stdev=74.72 lat (msec): min=34, max=659, avg=152.87, stdev=74.72 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 68], 10.00th=[ 79], 20.00th=[ 95], | 30.00th=[ 109], 40.00th=[ 123], 50.00th=[ 136], 60.00th=[ 155], | 70.00th=[ 174], 80.00th=[ 201], 90.00th=[ 245], 95.00th=[ 292], | 99.00th=[ 426], 99.50th=[ 485], 99.90th=[ 592], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 7, max= 55, per=25.21%, avg=20.92, stdev= 9.43, samples=580 iops : min= 1, max= 13, avg= 4.59, stdev= 2.41, samples=580 lat (msec) : 10=2.77%, 20=14.42%, 50=21.42%, 100=18.52%, 250=37.89% lat (msec) : 500=4.75%, 750=0.23% cpu : usr=0.04%, sys=1.20%, ctx=5034, 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=145092: Sat Aug 8 02:26:14 2026 read: IOPS=5, BW=20.0KiB/s (20.5kB/s)(6028KiB/300932msec) clat (msec): min=6, max=498, avg=40.82, stdev=42.12 lat (msec): min=6, max=498, avg=40.82, stdev=42.12 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 41], 80.00th=[ 56], 90.00th=[ 89], 95.00th=[ 118], | 99.00th=[ 228], 99.50th=[ 255], 99.90th=[ 359], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 7, max= 80, per=28.02%, avg=22.14, stdev=15.48, samples=523 iops : min= 1, max= 20, avg= 4.90, stdev= 3.89, samples=523 write: IOPS=5, BW=20.8KiB/s (21.3kB/s)(6260KiB/300932msec); 0 zone resets clat (msec): min=27, max=757, avg=152.89, stdev=72.12 lat (msec): min=27, max=757, avg=152.89, stdev=72.12 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 69], 10.00th=[ 82], 20.00th=[ 95], | 30.00th=[ 109], 40.00th=[ 124], 50.00th=[ 138], 60.00th=[ 155], | 70.00th=[ 176], 80.00th=[ 201], 90.00th=[ 247], 95.00th=[ 288], | 99.00th=[ 384], 99.50th=[ 468], 99.90th=[ 659], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 55, per=24.73%, avg=20.53, stdev= 9.44, samples=584 iops : min= 1, max= 13, avg= 4.49, stdev= 2.43, samples=584 lat (msec) : 10=1.82%, 20=15.04%, 50=21.65%, 100=19.34%, 250=37.21% lat (msec) : 500=4.85%, 750=0.07%, 1000=0.03% cpu : usr=0.05%, sys=1.22%, ctx=5000, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145093: Sat Aug 8 02:26:14 2026 read: IOPS=5, BW=20.1KiB/s (20.6kB/s)(6052KiB/300383msec) clat (msec): min=6, max=525, avg=38.74, stdev=39.03 lat (msec): min=6, max=525, avg=38.75, stdev=39.03 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 39], 80.00th=[ 53], 90.00th=[ 81], 95.00th=[ 109], | 99.00th=[ 192], 99.50th=[ 253], 99.90th=[ 347], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 7, max= 103, per=29.80%, avg=23.55, stdev=16.72, samples=495 iops : min= 1, max= 25, avg= 5.26, stdev= 4.23, samples=495 write: IOPS=5, BW=20.8KiB/s (21.3kB/s)(6236KiB/300383msec); 0 zone resets clat (msec): min=34, max=837, avg=154.95, stdev=74.47 lat (msec): min=34, max=837, avg=154.95, stdev=74.47 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 70], 10.00th=[ 81], 20.00th=[ 95], | 30.00th=[ 108], 40.00th=[ 123], 50.00th=[ 140], 60.00th=[ 157], | 70.00th=[ 178], 80.00th=[ 205], 90.00th=[ 253], 95.00th=[ 296], | 99.00th=[ 384], 99.50th=[ 460], 99.90th=[ 651], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 7, max= 48, per=24.82%, avg=20.60, stdev= 9.15, samples=580 iops : min= 1, max= 12, avg= 4.51, stdev= 2.35, samples=580 lat (msec) : 10=2.05%, 20=15.04%, 50=21.88%, 100=19.37%, 250=36.13% lat (msec) : 500=5.34%, 750=0.16%, 1000=0.03% cpu : usr=0.04%, sys=1.19%, ctx=5118, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=79.6KiB/s (81.5kB/s), 19.7KiB/s-20.1KiB/s (20.2kB/s-20.6kB/s), io=23.4MiB (24.6MB), run=300179-301642msec WRITE: bw=83.3KiB/s (85.3kB/s), 20.8KiB/s-21.0KiB/s (21.3kB/s-21.5kB/s), io=24.6MiB (25.7MB), run=300179-301642msec 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=145154: Sat Aug 8 02:26:51 2026 read: IOPS=13, BW=216KiB/s (221kB/s)(5920KiB/27416msec) clat (usec): min=33, max=207940, avg=37881.70, stdev=31874.71 lat (usec): min=34, max=207941, avg=37882.83, stdev=31874.72 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 55], 10.00th=[ 62], 20.00th=[ 94], | 30.00th=[ 22152], 40.00th=[ 29230], 50.00th=[ 34866], 60.00th=[ 42206], | 70.00th=[ 49546], 80.00th=[ 60031], 90.00th=[ 74974], 95.00th=[ 94897], | 99.00th=[132645], 99.50th=[187696], 99.90th=[208667], 99.95th=[208667], | 99.99th=[208667] bw ( KiB/s): min= 61, max= 477, per=24.42%, avg=213.21, stdev=86.13, samples=53 iops : min= 3, max= 29, avg=12.55, stdev= 5.44, samples=53 write: IOPS=14, BW=232KiB/s (238kB/s)(6368KiB/27416msec); 0 zone resets clat (usec): min=1622, max=266558, avg=32674.83, stdev=37195.94 lat (usec): min=1623, max=266560, avg=32679.84, stdev=37195.59 clat percentiles (usec): | 1.00th=[ 1663], 5.00th=[ 1909], 10.00th=[ 2343], 20.00th=[ 4490], | 30.00th=[ 6783], 40.00th=[ 11076], 50.00th=[ 17695], 60.00th=[ 30016], | 70.00th=[ 40633], 80.00th=[ 58459], 90.00th=[ 83362], 95.00th=[106431], | 99.00th=[162530], 99.50th=[244319], 99.90th=[267387], 99.95th=[267387], | 99.99th=[267387] bw ( KiB/s): min= 63, max= 576, per=25.21%, avg=231.70, stdev=114.75, samples=53 iops : min= 3, max= 36, avg=13.74, stdev= 7.28, samples=53 lat (usec) : 50=1.69%, 100=8.20%, 250=0.52%, 500=0.26%, 1000=0.26% lat (msec) : 2=3.65%, 4=6.12%, 10=10.68%, 20=8.85%, 50=33.33% lat (msec) : 100=21.61%, 250=4.69%, 500=0.13% cpu : usr=0.10%, sys=5.76%, ctx=1433, 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=145157: Sat Aug 8 02:26:51 2026 read: IOPS=13, BW=210KiB/s (215kB/s)(5744KiB/27366msec) clat (usec): min=36, max=323730, avg=39291.72, stdev=34155.13 lat (usec): min=37, max=323730, avg=39306.67, stdev=34139.99 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 66], 20.00th=[ 11207], | 30.00th=[ 23987], 40.00th=[ 31589], 50.00th=[ 36439], 60.00th=[ 42206], | 70.00th=[ 49546], 80.00th=[ 58459], 90.00th=[ 71828], 95.00th=[ 93848], | 99.00th=[147850], 99.50th=[225444], 99.90th=[325059], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 24, max= 448, per=24.10%, avg=210.40, stdev=88.45, samples=53 iops : min= 1, max= 28, avg=12.38, stdev= 5.58, samples=53 write: IOPS=14, BW=239KiB/s (245kB/s)(6544KiB/27366msec); 0 zone resets clat (usec): min=1505, max=272775, avg=31378.94, stdev=36740.22 lat (usec): min=1508, max=272776, avg=31380.85, stdev=36740.18 clat percentiles (usec): | 1.00th=[ 1680], 5.00th=[ 1909], 10.00th=[ 2442], 20.00th=[ 3982], | 30.00th=[ 6849], 40.00th=[ 10552], 50.00th=[ 18744], 60.00th=[ 28443], | 70.00th=[ 37487], 80.00th=[ 53216], 90.00th=[ 78119], 95.00th=[102237], | 99.00th=[160433], 99.50th=[181404], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 30, max= 572, per=26.15%, avg=240.36, stdev=113.35, samples=53 iops : min= 1, max= 35, avg=14.26, stdev= 7.14, samples=53 lat (usec) : 50=1.30%, 100=6.90%, 250=0.26%, 500=0.26% lat (msec) : 2=3.91%, 4=7.16%, 10=10.03%, 20=9.24%, 50=35.55% lat (msec) : 100=20.96%, 250=4.17%, 500=0.26% cpu : usr=0.07%, sys=5.73%, 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=145158: Sat Aug 8 02:26:51 2026 read: IOPS=14, BW=233KiB/s (238kB/s)(6256KiB/26885msec) clat (usec): min=37, max=220914, avg=39087.26, stdev=31931.44 lat (usec): min=38, max=220915, avg=39090.09, stdev=31929.31 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 57], 10.00th=[ 66], 20.00th=[ 217], | 30.00th=[ 22414], 40.00th=[ 29230], 50.00th=[ 34866], 60.00th=[ 43254], | 70.00th=[ 50594], 80.00th=[ 66323], 90.00th=[ 81265], 95.00th=[ 91751], | 99.00th=[126354], 99.50th=[187696], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 95, max= 414, per=27.00%, avg=235.69, stdev=84.69, samples=52 iops : min= 5, max= 25, avg=13.98, stdev= 5.35, samples=52 write: IOPS=14, BW=224KiB/s (230kB/s)(6032KiB/26885msec); 0 zone resets clat (usec): min=1531, max=216417, avg=30600.43, stdev=32858.44 lat (usec): min=1532, max=216418, avg=30603.56, stdev=32857.60 clat percentiles (usec): | 1.00th=[ 1614], 5.00th=[ 1876], 10.00th=[ 2147], 20.00th=[ 4047], | 30.00th=[ 7242], 40.00th=[ 11076], 50.00th=[ 17957], 60.00th=[ 27132], | 70.00th=[ 38011], 80.00th=[ 55313], 90.00th=[ 79168], 95.00th=[ 94897], | 99.00th=[143655], 99.50th=[173016], 99.90th=[217056], 99.95th=[217056], | 99.99th=[217056] bw ( KiB/s): min= 30, max= 508, per=24.36%, avg=223.90, stdev=89.98, samples=52 iops : min= 1, max= 31, avg=13.25, stdev= 5.64, samples=52 lat (usec) : 50=1.56%, 100=7.81%, 250=0.91%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=4.30%, 4=5.86%, 10=8.98%, 20=9.51%, 50=32.94% lat (msec) : 100=24.09%, 250=3.52% cpu : usr=0.07%, sys=5.93%, ctx=1460, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145160: Sat Aug 8 02:26:51 2026 read: IOPS=14, BW=225KiB/s (230kB/s)(6032KiB/26837msec) clat (usec): min=24, max=176194, avg=36449.19, stdev=31766.29 lat (usec): min=24, max=176195, avg=36453.63, stdev=31766.32 clat percentiles (usec): | 1.00th=[ 37], 5.00th=[ 55], 10.00th=[ 62], 20.00th=[ 113], | 30.00th=[ 20055], 40.00th=[ 26346], 50.00th=[ 32113], 60.00th=[ 39060], | 70.00th=[ 46924], 80.00th=[ 59507], 90.00th=[ 81265], 95.00th=[ 94897], | 99.00th=[132645], 99.50th=[156238], 99.90th=[177210], 99.95th=[177210], | 99.99th=[177210] bw ( KiB/s): min= 31, max= 448, per=26.21%, avg=228.78, stdev=93.45, samples=51 iops : min= 1, max= 28, avg=13.53, stdev= 5.94, samples=51 write: IOPS=14, BW=233KiB/s (239kB/s)(6256KiB/26837msec); 0 zone resets clat (usec): min=1331, max=222821, avg=32516.46, stdev=39132.35 lat (usec): min=1333, max=222825, avg=32518.78, stdev=39132.06 clat percentiles (usec): | 1.00th=[ 1549], 5.00th=[ 1876], 10.00th=[ 2376], 20.00th=[ 4424], | 30.00th=[ 7111], 40.00th=[ 9896], 50.00th=[ 13698], 60.00th=[ 25297], | 70.00th=[ 41681], 80.00th=[ 58983], 90.00th=[ 80217], 95.00th=[112722], | 99.00th=[208667], 99.50th=[210764], 99.90th=[223347], 99.95th=[223347], | 99.99th=[223347] bw ( KiB/s): min= 24, max= 598, per=25.32%, avg=232.69, stdev=111.63, samples=52 iops : min= 1, max= 37, avg=13.81, stdev= 7.11, samples=52 lat (usec) : 50=1.30%, 100=8.20%, 250=1.17%, 500=0.52%, 750=0.52% lat (usec) : 1000=0.39% lat (msec) : 2=3.78%, 4=5.21%, 10=11.59%, 20=10.16%, 50=31.64% lat (msec) : 100=20.05%, 250=5.47% cpu : usr=0.08%, sys=6.11%, ctx=1377, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=874KiB/s (895kB/s), 210KiB/s-233KiB/s (215kB/s-238kB/s), io=23.4MiB (24.5MB), run=26837-27416msec WRITE: bw=919KiB/s (941kB/s), 224KiB/s-239KiB/s (230kB/s-245kB/s), io=24.6MiB (25.8MB), run=26837-27416msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145153: Sat Aug 8 02:27:43 2026 read: IOPS=4, BW=76.0KiB/s (78.8kB/s)(5920KiB/76921msec) clat (msec): min=6, max=315, avg=45.21, stdev=37.28 lat (msec): min=6, max=315, avg=45.21, stdev=37.28 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 17], 20.00th=[ 21], | 30.00th=[ 25], 40.00th=[ 30], 50.00th=[ 36], 60.00th=[ 43], | 70.00th=[ 50], 80.00th=[ 61], 90.00th=[ 75], 95.00th=[ 116], | 99.00th=[ 205], 99.50th=[ 247], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 30, max= 255, per=29.35%, avg=88.63, stdev=50.11, samples=130 iops : min= 1, max= 15, avg= 4.78, stdev= 3.20, samples=130 write: IOPS=5, BW=82.8KiB/s (84.8kB/s)(6368KiB/76921msec); 0 zone resets clat (msec): min=41, max=428, avg=150.12, stdev=65.93 lat (msec): min=41, max=428, avg=150.19, stdev=66.06 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 64], 10.00th=[ 75], 20.00th=[ 96], | 30.00th=[ 110], 40.00th=[ 125], 50.00th=[ 140], 60.00th=[ 155], | 70.00th=[ 176], 80.00th=[ 197], 90.00th=[ 241], 95.00th=[ 284], | 99.00th=[ 368], 99.50th=[ 372], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 30, max= 192, per=26.08%, avg=82.95, stdev=36.04, samples=150 iops : min= 1, max= 12, avg= 4.41, stdev= 2.31, samples=150 lat (msec) : 10=1.04%, 20=7.94%, 50=25.78%, 100=22.01%, 250=38.93% lat (msec) : 500=4.30% cpu : usr=0.04%, sys=1.43%, ctx=1434, 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=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=145155: Sat Aug 8 02:27:43 2026 read: IOPS=4, BW=72.5KiB/s (74.3kB/s)(5744KiB/79182msec) clat (msec): min=7, max=318, avg=44.43, stdev=39.21 lat (msec): min=7, max=318, avg=44.44, stdev=39.21 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 29], 50.00th=[ 34], 60.00th=[ 39], | 70.00th=[ 49], 80.00th=[ 59], 90.00th=[ 83], 95.00th=[ 133], | 99.00th=[ 215], 99.50th=[ 224], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 23, max= 349, per=28.57%, avg=86.29, stdev=61.08, samples=131 iops : min= 1, max= 21, avg= 4.59, stdev= 3.83, samples=131 write: IOPS=5, BW=82.6KiB/s (84.6kB/s)(6544KiB/79182msec); 0 zone resets clat (msec): min=47, max=491, avg=154.20, stdev=65.82 lat (msec): min=47, max=491, avg=154.20, stdev=65.82 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 71], 10.00th=[ 83], 20.00th=[ 101], | 30.00th=[ 113], 40.00th=[ 129], 50.00th=[ 142], 60.00th=[ 159], | 70.00th=[ 176], 80.00th=[ 205], 90.00th=[ 236], 95.00th=[ 292], | 99.00th=[ 351], 99.50th=[ 397], 99.90th=[ 493], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 30, max= 191, per=25.89%, avg=82.33, stdev=34.36, samples=156 iops : min= 1, max= 11, avg= 4.36, stdev= 2.23, samples=156 lat (msec) : 10=0.52%, 20=10.42%, 50=22.53%, 100=20.18%, 250=41.93% lat (msec) : 500=4.43% cpu : usr=0.03%, sys=1.43%, ctx=1449, 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=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=145156: Sat Aug 8 02:27:43 2026 read: IOPS=5, BW=84.5KiB/s (86.5kB/s)(6256KiB/74031msec) clat (msec): min=8, max=199, avg=44.39, stdev=32.66 lat (msec): min=8, max=199, avg=44.39, stdev=32.66 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 21], | 30.00th=[ 24], 40.00th=[ 30], 50.00th=[ 36], 60.00th=[ 43], | 70.00th=[ 52], 80.00th=[ 60], 90.00th=[ 84], 95.00th=[ 118], | 99.00th=[ 184], 99.50th=[ 197], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 30, max= 320, per=30.20%, avg=91.21, stdev=61.62, samples=135 iops : min= 1, max= 20, avg= 4.94, stdev= 3.93, samples=135 write: IOPS=5, BW=81.5KiB/s (83.4kB/s)(6032KiB/74031msec); 0 zone resets clat (msec): min=47, max=356, avg=149.43, stdev=60.69 lat (msec): min=47, max=356, avg=149.43, stdev=60.69 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 67], 10.00th=[ 79], 20.00th=[ 97], | 30.00th=[ 115], 40.00th=[ 127], 50.00th=[ 140], 60.00th=[ 153], | 70.00th=[ 174], 80.00th=[ 197], 90.00th=[ 226], 95.00th=[ 268], | 99.00th=[ 334], 99.50th=[ 355], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 30, max= 191, per=25.49%, avg=81.06, stdev=33.38, samples=146 iops : min= 1, max= 11, avg= 4.28, stdev= 2.15, samples=146 lat (msec) : 10=0.39%, 20=9.77%, 50=25.00%, 100=23.44%, 250=38.02% lat (msec) : 500=3.39% cpu : usr=0.05%, sys=1.50%, ctx=1451, 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=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=145159: Sat Aug 8 02:27:43 2026 read: IOPS=4, BW=77.7KiB/s (79.6kB/s)(6032KiB/77587msec) clat (msec): min=7, max=245, avg=47.16, stdev=38.85 lat (msec): min=7, max=245, avg=47.16, stdev=38.85 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 21], | 30.00th=[ 26], 40.00th=[ 29], 50.00th=[ 34], 60.00th=[ 41], | 70.00th=[ 53], 80.00th=[ 64], 90.00th=[ 92], 95.00th=[ 130], | 99.00th=[ 213], 99.50th=[ 230], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 30, max= 384, per=29.11%, avg=87.90, stdev=57.87, samples=134 iops : min= 1, max= 24, avg= 4.72, stdev= 3.70, samples=134 write: IOPS=5, BW=80.6KiB/s (82.6kB/s)(6256KiB/77587msec); 0 zone resets clat (msec): min=41, max=348, avg=151.95, stdev=62.66 lat (msec): min=41, max=348, avg=151.96, stdev=62.66 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 70], 10.00th=[ 82], 20.00th=[ 100], | 30.00th=[ 115], 40.00th=[ 126], 50.00th=[ 142], 60.00th=[ 155], | 70.00th=[ 176], 80.00th=[ 205], 90.00th=[ 243], 95.00th=[ 279], | 99.00th=[ 334], 99.50th=[ 342], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 30, max= 191, per=25.97%, avg=82.58, stdev=35.52, samples=149 iops : min= 1, max= 11, avg= 4.38, stdev= 2.27, samples=149 lat (msec) : 10=0.65%, 20=8.59%, 50=24.87%, 100=21.22%, 250=39.84% lat (msec) : 500=4.82% cpu : usr=0.03%, sys=1.39%, ctx=1457, 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=302KiB/s (310kB/s), 72.5KiB/s-84.5KiB/s (74.3kB/s-86.5kB/s), io=23.4MiB (24.5MB), run=74031-79182msec WRITE: bw=318KiB/s (326kB/s), 80.6KiB/s-82.8KiB/s (82.6kB/s-84.8kB/s), io=24.6MiB (25.8MB), run=74031-79182msec 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=145178: Sat Aug 8 02:28:07 2026 read: IOPS=1, BW=1336KiB/s (1368kB/s)(7168KiB/5366msec) clat (msec): min=134, max=623, avg=239.86, stdev=176.03 lat (msec): min=134, max=623, avg=239.86, stdev=176.03 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 134], 10.00th=[ 134], 20.00th=[ 138], | 30.00th=[ 163], 40.00th=[ 163], 50.00th=[ 165], 60.00th=[ 176], | 70.00th=[ 176], 80.00th=[ 279], 90.00th=[ 625], 95.00th=[ 625], | 99.00th=[ 625], 99.50th=[ 625], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 1996, max= 4491, per=100.00%, avg=2638.25, stdev=1235.32, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=0, BW=954KiB/s (977kB/s)(5120KiB/5366msec); 0 zone resets clat (msec): min=317, max=1743, avg=704.36, stdev=606.53 lat (msec): min=317, max=1746, avg=705.08, stdev=607.69 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 317], 10.00th=[ 317], 20.00th=[ 317], | 30.00th=[ 355], 40.00th=[ 355], 50.00th=[ 363], 60.00th=[ 363], | 70.00th=[ 743], 80.00th=[ 743], 90.00th=[ 1737], 95.00th=[ 1737], | 99.00th=[ 1737], 99.50th=[ 1737], 99.90th=[ 1737], 99.95th=[ 1737], | 99.99th=[ 1737] bw ( KiB/s): min= 1973, max= 2035, per=78.15%, avg=2006.80, stdev=24.07, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=41.67%, 500=33.33%, 750=16.67%, 2000=8.33% cpu : usr=0.00%, sys=2.12%, ctx=58, 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=145179: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=183KiB/s (188kB/s)(2048KiB/11162msec) clat (msec): min=149, max=196, avg=173.23, stdev=33.15 lat (msec): min=149, max=196, avg=173.23, stdev=33.15 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 150], | 30.00th=[ 150], 40.00th=[ 150], 50.00th=[ 150], 60.00th=[ 197], | 70.00th=[ 197], 80.00th=[ 197], 90.00th=[ 197], 95.00th=[ 197], | 99.00th=[ 197], 99.50th=[ 197], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 1484, max= 2035, per=95.94%, avg=1759.50, stdev=389.62, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=0, BW=917KiB/s (939kB/s)(10.0MiB/11162msec); 0 zone resets clat (msec): min=357, max=4894, avg=1055.31, stdev=1360.70 lat (msec): min=357, max=4894, avg=1055.41, stdev=1360.72 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 359], 10.00th=[ 359], 20.00th=[ 384], | 30.00th=[ 531], 40.00th=[ 592], 50.00th=[ 617], 60.00th=[ 709], | 70.00th=[ 743], 80.00th=[ 768], 90.00th=[ 961], 95.00th=[ 4866], | 99.00th=[ 4866], 99.50th=[ 4866], 99.90th=[ 4866], 99.95th=[ 4866], | 99.99th=[ 4866] bw ( KiB/s): min= 1973, max= 3992, per=88.12%, avg=2262.88, stdev=699.04, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=16.67%, 500=16.67%, 750=41.67%, 1000=16.67%, >=2000=8.33% cpu : usr=0.00%, sys=1.61%, ctx=81, 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=145180: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=633KiB/s (648kB/s)(6144KiB/9702msec) clat (msec): min=212, max=525, avg=408.19, stdev=138.44 lat (msec): min=212, max=525, avg=408.19, stdev=138.44 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 213], 10.00th=[ 213], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 443], 50.00th=[ 443], 60.00th=[ 502], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 527], 95.00th=[ 527], | 99.00th=[ 527], 99.50th=[ 527], 99.90th=[ 527], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 1928, max= 2043, per=100.00%, avg=1992.60, stdev=51.94, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 write: IOPS=0, BW=633KiB/s (648kB/s)(6144KiB/9702msec); 0 zone resets clat (msec): min=314, max=5235, avg=1200.80, stdev=1978.27 lat (msec): min=314, max=5236, avg=1201.11, stdev=1978.18 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 376], 50.00th=[ 376], 60.00th=[ 426], | 70.00th=[ 523], 80.00th=[ 523], 90.00th=[ 5269], 95.00th=[ 5269], | 99.00th=[ 5269], 99.50th=[ 5269], 99.90th=[ 5269], 99.95th=[ 5269], | 99.99th=[ 5269] bw ( KiB/s): min= 1492, max= 4047, per=89.70%, avg=2303.40, stdev=999.39, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=8.33%, 500=50.00%, 750=33.33%, >=2000=8.33% cpu : usr=0.00%, sys=1.32%, ctx=78, 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=145181: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=490KiB/s (502kB/s)(5120KiB/10447msec) clat (msec): min=128, max=842, avg=348.24, stdev=293.98 lat (msec): min=128, max=842, avg=348.24, stdev=293.98 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 129], 10.00th=[ 129], 20.00th=[ 129], | 30.00th=[ 138], 40.00th=[ 138], 50.00th=[ 257], 60.00th=[ 257], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 844], 95.00th=[ 844], | 99.00th=[ 844], 99.50th=[ 844], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 1973, max= 4071, per=100.00%, avg=2682.33, stdev=1202.71, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=0, BW=686KiB/s (703kB/s)(7168KiB/10447msec); 0 zone resets clat (msec): min=256, max=5153, avg=1235.09, stdev=1754.06 lat (msec): min=256, max=5153, avg=1235.39, stdev=1754.02 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 355], | 30.00th=[ 426], 40.00th=[ 426], 50.00th=[ 456], 60.00th=[ 969], | 70.00th=[ 969], 80.00th=[ 1036], 90.00th=[ 5134], 95.00th=[ 5134], | 99.00th=[ 5134], 99.50th=[ 5134], 99.90th=[ 5134], 99.95th=[ 5134], | 99.99th=[ 5134] bw ( KiB/s): min= 1610, max= 3976, per=87.84%, avg=2255.67, stdev=857.20, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (msec) : 250=16.67%, 500=50.00%, 1000=16.67%, 2000=8.33%, >=2000=8.33% cpu : usr=0.03%, sys=1.70%, 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=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=1835KiB/s (1879kB/s), 183KiB/s-1336KiB/s (188kB/s-1368kB/s), io=20.0MiB (20.0MB), run=5366-11162msec WRITE: bw=2569KiB/s (2630kB/s), 633KiB/s-954KiB/s (648kB/s-977kB/s), io=28.0MiB (29.4MB), run=5366-11162msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145184: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=854KiB/s (874kB/s)(7168KiB/8398msec) clat (usec): min=347, max=6403.7k, avg=1045112.81, stdev=2367781.49 lat (usec): min=348, max=6403.7k, avg=1045113.83, stdev=2367781.36 clat percentiles (usec): | 1.00th=[ 347], 5.00th=[ 347], 10.00th=[ 347], | 20.00th=[ 515], 30.00th=[ 816], 40.00th=[ 816], | 50.00th=[ 287310], 60.00th=[ 299893], 70.00th=[ 299893], | 80.00th=[ 325059], 90.00th=[6408897], 95.00th=[6408897], | 99.00th=[6408897], 99.50th=[6408897], 99.90th=[6408897], | 99.95th=[6408897], 99.99th=[6408897] bw ( KiB/s): min= 1796, max= 5976, per=100.00%, avg=2957.50, stdev=2015.33, samples=4 iops : min= 1, max= 5, avg= 2.00, stdev= 2.00, samples=4 write: IOPS=0, BW=610KiB/s (624kB/s)(5120KiB/8398msec); 0 zone resets clat (msec): min=147, max=296, avg=216.13, stdev=69.82 lat (msec): min=147, max=297, avg=216.20, stdev=69.83 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 148], | 30.00th=[ 150], 40.00th=[ 150], 50.00th=[ 207], 60.00th=[ 207], | 70.00th=[ 279], 80.00th=[ 279], 90.00th=[ 296], 95.00th=[ 296], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 1992, max= 3828, per=94.33%, avg=2615.67, stdev=1050.06, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 500=8.33%, 750=8.33%, 1000=8.33% lat (msec) : 250=25.00%, 500=41.67%, >=2000=8.33% cpu : usr=0.00%, sys=4.36%, ctx=406, 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=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=145185: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=198KiB/s (203kB/s)(2048KiB/10337msec) clat (usec): min=482, max=309167, avg=154825.02, stdev=218273.86 lat (usec): min=483, max=309169, avg=154826.29, stdev=218274.05 clat percentiles (usec): | 1.00th=[ 482], 5.00th=[ 482], 10.00th=[ 482], 20.00th=[ 482], | 30.00th=[ 482], 40.00th=[ 482], 50.00th=[ 482], 60.00th=[308282], | 70.00th=[308282], 80.00th=[308282], 90.00th=[308282], 95.00th=[308282], | 99.00th=[308282], 99.50th=[308282], 99.90th=[308282], 99.95th=[308282], | 99.99th=[308282] bw ( KiB/s): min= 1512, max= 1906, per=86.27%, avg=1709.00, stdev=278.60, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=0, BW=991KiB/s (1014kB/s)(10.0MiB/10337msec); 0 zone resets clat (msec): min=238, max=5021, avg=1002.44, stdev=1434.50 lat (msec): min=238, max=5021, avg=1002.57, stdev=1434.50 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 239], 10.00th=[ 239], 20.00th=[ 321], | 30.00th=[ 359], 40.00th=[ 414], 50.00th=[ 447], 60.00th=[ 592], | 70.00th=[ 776], 80.00th=[ 827], 90.00th=[ 1036], 95.00th=[ 5000], | 99.00th=[ 5000], 99.50th=[ 5000], 99.90th=[ 5000], 99.95th=[ 5000], | 99.99th=[ 5000] bw ( KiB/s): min= 1954, max= 3813, per=80.54%, avg=2233.38, stdev=639.38, samples=8 iops : min= 1, max= 3, avg= 1.50, stdev= 0.76, samples=8 lat (usec) : 500=8.33% lat (msec) : 250=8.33%, 500=41.67%, 750=8.33%, 1000=16.67%, 2000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.02%, sys=4.86%, ctx=103, 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=145186: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=688KiB/s (704kB/s)(6144KiB/8934msec) clat (msec): min=136, max=620, avg=334.77, stdev=165.65 lat (msec): min=136, max=620, avg=334.77, stdev=165.65 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 284], 50.00th=[ 284], 60.00th=[ 342], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 617], 95.00th=[ 617], | 99.00th=[ 617], 99.50th=[ 617], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 1906, max= 2027, per=98.64%, avg=1954.00, stdev=48.63, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 write: IOPS=0, BW=688KiB/s (704kB/s)(6144KiB/8934msec); 0 zone resets clat (msec): min=310, max=4555, avg=1151.59, stdev=1675.77 lat (msec): min=310, max=4555, avg=1154.02, stdev=1675.00 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 380], 50.00th=[ 380], 60.00th=[ 642], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 4530], 95.00th=[ 4530], | 99.00th=[ 4530], 99.50th=[ 4530], 99.90th=[ 4530], 99.95th=[ 4530], | 99.99th=[ 4530] bw ( KiB/s): min= 1899, max= 4063, per=86.44%, avg=2397.00, stdev=932.81, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=16.67%, 500=50.00%, 750=25.00%, >=2000=8.33% cpu : usr=0.00%, sys=4.56%, ctx=152, 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=145187: Sat Aug 8 02:28:07 2026 read: IOPS=0, BW=529KiB/s (542kB/s)(5120KiB/9670msec) clat (usec): min=521, max=754456, avg=320022.09, stdev=274311.16 lat (usec): min=522, max=754458, avg=320023.55, stdev=274311.34 clat percentiles (usec): | 1.00th=[ 523], 5.00th=[ 523], 10.00th=[ 523], 20.00th=[ 523], | 30.00th=[233833], 40.00th=[233833], 50.00th=[270533], 60.00th=[270533], | 70.00th=[341836], 80.00th=[341836], 90.00th=[750781], 95.00th=[750781], | 99.00th=[750781], 99.50th=[750781], 99.90th=[750781], 99.95th=[750781], | 99.99th=[750781] bw ( KiB/s): min= 1914, max= 3813, per=100.00%, avg=2587.33, stdev=1063.18, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=0, BW=741KiB/s (759kB/s)(7168KiB/9670msec); 0 zone resets clat (msec): min=225, max=5092, avg=1152.51, stdev=1766.81 lat (msec): min=225, max=5092, avg=1152.65, stdev=1766.79 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 226], 10.00th=[ 226], 20.00th=[ 236], | 30.00th=[ 326], 40.00th=[ 326], 50.00th=[ 359], 60.00th=[ 726], | 70.00th=[ 726], 80.00th=[ 1116], 90.00th=[ 5067], 95.00th=[ 5067], | 99.00th=[ 5067], 99.50th=[ 5067], 99.90th=[ 5067], 99.95th=[ 5067], | 99.99th=[ 5067] bw ( KiB/s): min= 1479, max= 4071, per=100.00%, avg=2893.50, stdev=1365.17, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=25.00%, 500=33.33%, 750=8.33%, 1000=8.33%, 2000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.00%, sys=4.99%, ctx=149, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1981KiB/s (2029kB/s), 198KiB/s-854KiB/s (203kB/s-874kB/s), io=20.0MiB (20.0MB), run=8398-10337msec WRITE: bw=2774KiB/s (2840kB/s), 610KiB/s-991KiB/s (624kB/s-1014kB/s), io=28.0MiB (29.4MB), run=8398-10337msec 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=145195: Sat Aug 8 02:28:29 2026 read: IOPS=0, BW=1611KiB/s (1649kB/s)(12.0MiB/7629msec) clat (msec): min=791, max=3698, avg=2501.99, stdev=1519.96 lat (msec): min=791, max=3698, avg=2501.99, stdev=1519.96 clat percentiles (msec): | 1.00th=[ 793], 5.00th=[ 793], 10.00th=[ 793], 20.00th=[ 793], | 30.00th=[ 793], 40.00th=[ 3004], 50.00th=[ 3004], 60.00th=[ 3004], | 70.00th=[ 3708], 80.00th=[ 3708], 90.00th=[ 3708], 95.00th=[ 3708], | 99.00th=[ 3708], 99.50th=[ 3708], 99.90th=[ 3708], 99.95th=[ 3708], | 99.99th=[ 3708] bw ( KiB/s): min= 8078, max= 8126, per=100.00%, avg=8102.00, stdev=33.94, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, >=2000=66.67% cpu : usr=0.00%, sys=4.67%, ctx=725, 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=145196: Sat Aug 8 02:28:29 2026 read: IOPS=0, BW=486KiB/s (497kB/s)(4096KiB/8433msec) clat (nsec): min=3063.5M, max=3063.5M, avg=3063488780.00, stdev= 0.00 lat (nsec): min=3063.5M, max=3063.5M, avg=3063491321.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 3071], 5.00th=[ 3071], 10.00th=[ 3071], 20.00th=[ 3071], | 30.00th=[ 3071], 40.00th=[ 3071], 50.00th=[ 3071], 60.00th=[ 3071], | 70.00th=[ 3071], 80.00th=[ 3071], 90.00th=[ 3071], 95.00th=[ 3071], | 99.00th=[ 3071], 99.50th=[ 3071], 99.90th=[ 3071], 99.95th=[ 3071], | 99.99th=[ 3071] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=971KiB/s (995kB/s)(8192KiB/8433msec); 0 zone resets clat (msec): min=356, max=4558, avg=2457.27, stdev=2971.63 lat (msec): min=357, max=4558, avg=2457.99, stdev=2971.09 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 355], 10.00th=[ 355], 20.00th=[ 355], | 30.00th=[ 355], 40.00th=[ 355], 50.00th=[ 355], 60.00th=[ 4530], | 70.00th=[ 4530], 80.00th=[ 4530], 90.00th=[ 4530], 95.00th=[ 4530], | 99.00th=[ 4530], 99.50th=[ 4530], 99.90th=[ 4530], 99.95th=[ 4530], | 99.99th=[ 4530] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, >=2000=66.67% cpu : usr=0.01%, sys=3.76%, ctx=600, 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=145198: Sat Aug 8 02:28:29 2026 write: IOPS=0, BW=1767KiB/s (1809kB/s)(12.0MiB/6956msec); 0 zone resets clat (msec): min=420, max=3646, avg=2291.67, stdev=1673.74 lat (msec): min=421, max=3646, avg=2292.10, stdev=1673.70 clat percentiles (msec): | 1.00th=[ 422], 5.00th=[ 422], 10.00th=[ 422], 20.00th=[ 422], | 30.00th=[ 422], 40.00th=[ 2802], 50.00th=[ 2802], 60.00th=[ 2802], | 70.00th=[ 3641], 80.00th=[ 3641], 90.00th=[ 3641], 95.00th=[ 3641], | 99.00th=[ 3641], 99.50th=[ 3641], 99.90th=[ 3641], 99.95th=[ 3641], | 99.99th=[ 3641] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, 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=0.03%, sys=1.71%, ctx=52, majf=0, minf=7 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=145200: Sat Aug 8 02:28:29 2026 write: IOPS=0, BW=3165KiB/s (3241kB/s)(12.0MiB/3883msec); 0 zone resets clat (msec): min=356, max=2687, avg=1264.93, stdev=1248.06 lat (msec): min=356, max=2688, avg=1265.44, stdev=1248.23 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 355], 10.00th=[ 355], 20.00th=[ 355], | 30.00th=[ 355], 40.00th=[ 751], 50.00th=[ 751], 60.00th=[ 751], | 70.00th=[ 2702], 80.00th=[ 2702], 90.00th=[ 2702], 95.00th=[ 2702], | 99.00th=[ 2702], 99.50th=[ 2702], 99.90th=[ 2702], 99.95th=[ 2702], | 99.99th=[ 2702] bw ( KiB/s): min=16253, max=16253, per=100.00%, avg=16253.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.04%, ctx=42, 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=1943KiB/s (1989kB/s), 486KiB/s-1611KiB/s (497kB/s-1649kB/s), io=16.0MiB (16.8MB), run=7629-8433msec WRITE: bw=3886KiB/s (3979kB/s), 971KiB/s-3165KiB/s (995kB/s-3241kB/s), io=32.0MiB (33.6MB), run=3883-8433msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145197: Sat Aug 8 02:28:30 2026 read: IOPS=0, BW=1581KiB/s (1619kB/s)(12.0MiB/7770msec) clat (msec): min=287, max=4114, avg=2481.89, stdev=1974.53 lat (msec): min=287, max=4114, avg=2481.89, stdev=1974.53 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 288], 10.00th=[ 288], 20.00th=[ 288], | 30.00th=[ 288], 40.00th=[ 3037], 50.00th=[ 3037], 60.00th=[ 3037], | 70.00th=[ 4111], 80.00th=[ 4111], 90.00th=[ 4111], 95.00th=[ 4111], | 99.00th=[ 4111], 99.50th=[ 4111], 99.90th=[ 4111], 99.95th=[ 4111], | 99.99th=[ 4111] bw ( KiB/s): min= 8015, max= 8143, per=100.00%, avg=8079.00, stdev=90.51, 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=1.30%, ctx=62, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145199: Sat Aug 8 02:28:30 2026 read: IOPS=0, BW=488KiB/s (499kB/s)(4096KiB/8401msec) clat (nsec): min=3139.9M, max=3139.9M, avg=3139947835.00, stdev= 0.00 lat (nsec): min=3139.0M, max=3139.0M, avg=3139951362.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 3138], 5.00th=[ 3138], 10.00th=[ 3138], 20.00th=[ 3138], | 30.00th=[ 3138], 40.00th=[ 3138], 50.00th=[ 3138], 60.00th=[ 3138], | 70.00th=[ 3138], 80.00th=[ 3138], 90.00th=[ 3138], 95.00th=[ 3138], | 99.00th=[ 3138], 99.50th=[ 3138], 99.90th=[ 3138], 99.95th=[ 3138], | 99.99th=[ 3138] bw ( KiB/s): min= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=975KiB/s (999kB/s)(8192KiB/8401msec); 0 zone resets clat (msec): min=287, max=4622, avg=2455.37, stdev=3065.49 lat (msec): min=288, max=4623, avg=2455.67, stdev=3065.38 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 288], 10.00th=[ 288], 20.00th=[ 288], | 30.00th=[ 288], 40.00th=[ 288], 50.00th=[ 288], 60.00th=[ 4597], | 70.00th=[ 4597], 80.00th=[ 4597], 90.00th=[ 4597], 95.00th=[ 4597], | 99.00th=[ 4597], 99.50th=[ 4597], 99.90th=[ 4597], 99.95th=[ 4597], | 99.99th=[ 4597] 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) : 500=33.33%, >=2000=66.67% cpu : usr=0.00%, sys=1.17%, ctx=40, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145201: Sat Aug 8 02:28:30 2026 write: IOPS=0, BW=1332KiB/s (1364kB/s)(12.0MiB/9224msec); 0 zone resets clat (msec): min=440, max=4516, avg=2964.10, stdev=2204.32 lat (msec): min=441, max=4516, avg=2964.45, stdev=2204.44 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 443], 10.00th=[ 443], 20.00th=[ 443], | 30.00th=[ 443], 40.00th=[ 3943], 50.00th=[ 3943], 60.00th=[ 3943], | 70.00th=[ 4530], 80.00th=[ 4530], 90.00th=[ 4530], 95.00th=[ 4530], | 99.00th=[ 4530], 99.50th=[ 4530], 99.90th=[ 4530], 99.95th=[ 4530], | 99.99th=[ 4530] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, >=2000=66.67% cpu : usr=0.00%, sys=1.29%, ctx=103, 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 rand-rw: (groupid=0, jobs=1): err= 0: pid=145202: Sat Aug 8 02:28:30 2026 write: IOPS=0, BW=1640KiB/s (1679kB/s)(12.0MiB/7493msec); 0 zone resets clat (msec): min=427, max=3878, avg=2439.77, stdev=1795.34 lat (msec): min=428, max=3878, avg=2440.26, stdev=1795.22 clat percentiles (msec): | 1.00th=[ 426], 5.00th=[ 426], 10.00th=[ 426], 20.00th=[ 426], | 30.00th=[ 426], 40.00th=[ 3004], 50.00th=[ 3004], 60.00th=[ 3004], | 70.00th=[ 3876], 80.00th=[ 3876], 90.00th=[ 3876], 95.00th=[ 3876], | 99.00th=[ 3876], 99.50th=[ 3876], 99.90th=[ 3876], 99.95th=[ 3876], | 99.99th=[ 3876] bw ( KiB/s): min= 8126, max= 8143, per=100.00%, avg=8134.50, stdev=12.02, 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=1.72%, ctx=40, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1950KiB/s (1997kB/s), 488KiB/s-1581KiB/s (499kB/s-1619kB/s), io=16.0MiB (16.8MB), run=7770-8401msec WRITE: bw=3552KiB/s (3638kB/s), 975KiB/s-1640KiB/s (999kB/s-1679kB/s), io=32.0MiB (33.6MB), run=7493-9224msec