== sanity test 398b: DIO and buffer IO race ============== 00:21:50 (1762492910) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 4.83323 s, 10.4 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=148484: Fri Nov 7 00:23:48 2025 read: IOPS=15, BW=60.4KiB/s (61.8kB/s)(5992KiB/99254msec) clat (usec): min=107, max=930545, avg=32940.12, stdev=36130.81 lat (usec): min=108, max=930546, avg=32941.35, stdev=36130.75 clat percentiles (usec): | 1.00th=[ 133], 5.00th=[ 163], 10.00th=[ 383], 20.00th=[ 15795], | 30.00th=[ 19792], 40.00th=[ 23462], 50.00th=[ 27132], 60.00th=[ 32375], | 70.00th=[ 39060], 80.00th=[ 47449], 90.00th=[ 60031], 95.00th=[ 71828], | 99.00th=[110625], 99.50th=[179307], 99.90th=[392168], 99.95th=[926942], | 99.99th=[926942] bw ( KiB/s): min= 15, max= 135, per=25.50%, avg=60.18, stdev=23.15, samples=195 iops : min= 3, max= 33, avg=14.43, stdev= 5.82, samples=195 write: IOPS=15, BW=63.4KiB/s (64.0kB/s)(6296KiB/99254msec); 0 zone resets clat (usec): min=867, max=294266, avg=31512.53, stdev=33011.04 lat (usec): min=868, max=294267, avg=31514.05, stdev=33010.82 clat percentiles (usec): | 1.00th=[ 971], 5.00th=[ 1074], 10.00th=[ 1139], 20.00th=[ 2073], | 30.00th=[ 6652], 40.00th=[ 14746], 50.00th=[ 24249], 60.00th=[ 31589], | 70.00th=[ 41681], 80.00th=[ 53216], 90.00th=[ 71828], 95.00th=[ 93848], | 99.00th=[139461], 99.50th=[179307], 99.90th=[248513], 99.95th=[295699], | 99.99th=[295699] bw ( KiB/s): min= 7, max= 126, per=25.84%, avg=63.83, stdev=25.48, samples=193 iops : min= 1, max= 31, avg=15.34, stdev= 6.40, samples=193 lat (usec) : 250=4.39%, 500=0.59%, 750=0.10%, 1000=0.98% lat (msec) : 2=9.31%, 4=2.57%, 10=6.15%, 20=14.03%, 50=41.57% lat (msec) : 100=17.38%, 250=2.73%, 500=0.16%, 1000=0.03% cpu : usr=0.09%, sys=6.22%, ctx=6419, 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=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=148485: Fri Nov 7 00:23:48 2025 read: IOPS=14, BW=58.4KiB/s (59.8kB/s)(5940KiB/101655msec) clat (usec): min=88, max=509284, avg=32623.11, stdev=27910.55 lat (usec): min=88, max=509284, avg=32625.38, stdev=27912.87 clat percentiles (usec): | 1.00th=[ 124], 5.00th=[ 165], 10.00th=[ 1319], 20.00th=[ 15401], | 30.00th=[ 20055], 40.00th=[ 23987], 50.00th=[ 28181], 60.00th=[ 32900], | 70.00th=[ 39060], 80.00th=[ 47449], 90.00th=[ 60556], 95.00th=[ 70779], | 99.00th=[116917], 99.50th=[164627], 99.90th=[304088], 99.95th=[509608], | 99.99th=[509608] bw ( KiB/s): min= 7, max= 119, per=24.53%, avg=57.90, stdev=23.80, samples=199 iops : min= 1, max= 29, avg=13.86, stdev= 5.99, samples=199 write: IOPS=15, BW=62.4KiB/s (63.9kB/s)(6348KiB/101655msec); 0 zone resets clat (usec): min=883, max=720751, avg=33346.60, stdev=38819.77 lat (usec): min=883, max=720752, avg=33347.87, stdev=38819.76 clat percentiles (usec): | 1.00th=[ 979], 5.00th=[ 1074], 10.00th=[ 1156], 20.00th=[ 2638], | 30.00th=[ 7046], 40.00th=[ 16712], 50.00th=[ 25297], 60.00th=[ 33162], | 70.00th=[ 42730], 80.00th=[ 56361], 90.00th=[ 77071], 95.00th=[ 96994], | 99.00th=[143655], 99.50th=[202376], 99.90th=[341836], 99.95th=[717226], | 99.99th=[717226] bw ( KiB/s): min= 7, max= 156, per=24.85%, avg=61.38, stdev=26.35, samples=200 iops : min= 1, max= 39, avg=14.73, stdev= 6.61, samples=200 lat (usec) : 100=0.03%, 250=4.17%, 500=0.49%, 750=0.03%, 1000=0.98% lat (msec) : 2=8.46%, 4=3.42%, 10=6.12%, 20=13.44%, 50=42.09% lat (msec) : 100=17.71%, 250=2.83%, 500=0.16%, 750=0.07% cpu : usr=0.08%, sys=6.12%, ctx=6390, majf=0, minf=19 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=148486: Fri Nov 7 00:23:48 2025 read: IOPS=14, BW=59.3KiB/s (60.8kB/s)(6028KiB/101592msec) clat (usec): min=85, max=291740, avg=32083.44, stdev=25307.45 lat (usec): min=86, max=291741, avg=32084.53, stdev=25307.48 clat percentiles (usec): | 1.00th=[ 127], 5.00th=[ 159], 10.00th=[ 273], 20.00th=[ 15139], | 30.00th=[ 19792], 40.00th=[ 23725], 50.00th=[ 27919], 60.00th=[ 32637], | 70.00th=[ 39584], 80.00th=[ 47449], 90.00th=[ 59507], 95.00th=[ 70779], | 99.00th=[116917], 99.50th=[162530], 99.90th=[274727], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 7, max= 141, per=25.17%, avg=59.41, stdev=24.21, samples=198 iops : min= 1, max= 35, avg=14.23, stdev= 6.08, samples=198 write: IOPS=15, BW=61.6KiB/s (63.1kB/s)(6260KiB/101592msec); 0 zone resets clat (usec): min=846, max=770903, avg=33797.20, stdev=39734.68 lat (usec): min=848, max=770905, avg=33798.59, stdev=39734.69 clat percentiles (usec): | 1.00th=[ 971], 5.00th=[ 1057], 10.00th=[ 1139], 20.00th=[ 2245], | 30.00th=[ 7308], 40.00th=[ 16450], 50.00th=[ 25560], 60.00th=[ 34866], | 70.00th=[ 44303], 80.00th=[ 56361], 90.00th=[ 77071], 95.00th=[ 96994], | 99.00th=[139461], 99.50th=[206570], 99.90th=[455082], 99.95th=[767558], | 99.99th=[767558] bw ( KiB/s): min= 7, max= 157, per=24.81%, avg=61.29, stdev=26.20, samples=199 iops : min= 1, max= 39, avg=14.69, stdev= 6.58, samples=199 lat (usec) : 100=0.07%, 250=4.65%, 500=0.49%, 750=0.10%, 1000=1.07% lat (msec) : 2=8.82%, 4=2.90%, 10=5.27%, 20=13.87%, 50=41.60% lat (msec) : 100=18.20%, 250=2.83%, 500=0.10%, 1000=0.03% cpu : usr=0.10%, sys=6.32%, ctx=6352, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148487: Fri Nov 7 00:23:48 2025 read: IOPS=15, BW=61.1KiB/s (62.5kB/s)(6052KiB/99108msec) clat (usec): min=107, max=270250, avg=31880.92, stdev=23170.03 lat (usec): min=107, max=270251, avg=31881.94, stdev=23170.04 clat percentiles (usec): | 1.00th=[ 130], 5.00th=[ 159], 10.00th=[ 603], 20.00th=[ 15401], | 30.00th=[ 19006], 40.00th=[ 23200], 50.00th=[ 27395], 60.00th=[ 33162], | 70.00th=[ 39584], 80.00th=[ 48497], 90.00th=[ 59507], 95.00th=[ 71828], | 99.00th=[102237], 99.50th=[120062], 99.90th=[160433], 99.95th=[270533], | 99.99th=[270533] bw ( KiB/s): min= 8, max= 120, per=25.80%, avg=60.90, stdev=21.87, samples=194 iops : min= 2, max= 30, avg=14.61, stdev= 5.49, samples=194 write: IOPS=15, BW=62.9KiB/s (64.4kB/s)(6236KiB/99108msec); 0 zone resets clat (usec): min=874, max=742444, avg=32452.79, stdev=36989.54 lat (usec): min=875, max=742445, avg=32454.49, stdev=36990.26 clat percentiles (usec): | 1.00th=[ 971], 5.00th=[ 1074], 10.00th=[ 1156], 20.00th=[ 2442], | 30.00th=[ 7767], 40.00th=[ 15795], 50.00th=[ 24511], 60.00th=[ 32637], | 70.00th=[ 43254], 80.00th=[ 55313], 90.00th=[ 74974], 95.00th=[ 91751], | 99.00th=[139461], 99.50th=[164627], 99.90th=[316670], 99.95th=[742392], | 99.99th=[742392] bw ( KiB/s): min= 7, max= 143, per=25.24%, avg=62.35, stdev=23.34, samples=195 iops : min= 1, max= 35, avg=14.97, stdev= 5.85, samples=195 lat (usec) : 250=4.52%, 500=0.36%, 750=0.16%, 1000=0.81% lat (msec) : 2=8.63%, 4=2.80%, 10=5.57%, 20=15.92%, 50=40.43% lat (msec) : 100=18.33%, 250=2.38%, 500=0.07%, 750=0.03% cpu : usr=0.09%, sys=6.28%, ctx=6383, 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=236KiB/s (242kB/s), 58.4KiB/s-61.1KiB/s (59.8kB/s-62.5kB/s), io=23.4MiB (24.6MB), run=99108-101655msec WRITE: bw=247KiB/s (253kB/s), 61.6KiB/s-63.4KiB/s (63.1kB/s-64.0kB/s), io=24.6MiB (25.7MB), run=99108-101655msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148480: Fri Nov 7 00:25:57 2025 read: IOPS=6, BW=25.9KiB/s (26.6kB/s)(5992KiB/231080msec) clat (msec): min=4, max=955, avg=26.17, stdev=35.22 lat (msec): min=4, max=955, avg=26.17, stdev=35.22 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 11], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 24], 80.00th=[ 33], 90.00th=[ 58], 95.00th=[ 78], | 99.00th=[ 134], 99.50th=[ 159], 99.90th=[ 300], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 7, max= 112, per=27.51%, avg=28.34, stdev=20.01, samples=411 iops : min= 1, max= 28, avg= 6.48, stdev= 5.09, samples=411 write: IOPS=6, BW=27.2KiB/s (27.9kB/s)(6296KiB/231080msec); 0 zone resets clat (msec): min=31, max=523, avg=121.68, stdev=56.62 lat (msec): min=31, max=523, avg=121.68, stdev=56.62 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 55], 10.00th=[ 64], 20.00th=[ 77], | 30.00th=[ 88], 40.00th=[ 100], 50.00th=[ 110], 60.00th=[ 123], | 70.00th=[ 138], 80.00th=[ 161], 90.00th=[ 197], 95.00th=[ 230], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 502], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 7, max= 80, per=24.87%, avg=26.86, stdev=11.97, samples=454 iops : min= 1, max= 20, avg= 6.10, stdev= 3.08, samples=454 lat (msec) : 10=7.45%, 20=22.88%, 50=13.61%, 100=24.80%, 250=29.43% lat (msec) : 500=1.73%, 750=0.07%, 1000=0.03% cpu : usr=0.05%, sys=1.30%, ctx=5459, 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=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=148481: Fri Nov 7 00:25:57 2025 read: IOPS=6, BW=25.8KiB/s (26.4kB/s)(5940KiB/230443msec) clat (msec): min=4, max=754, avg=25.54, stdev=33.90 lat (msec): min=4, max=754, avg=25.54, stdev=33.90 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 11], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 24], 80.00th=[ 32], 90.00th=[ 52], 95.00th=[ 71], | 99.00th=[ 136], 99.50th=[ 186], 99.90th=[ 510], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 7, max= 128, per=27.83%, avg=28.66, stdev=19.81, samples=403 iops : min= 1, max= 32, avg= 6.56, stdev= 5.01, samples=403 write: IOPS=6, BW=27.5KiB/s (28.2kB/s)(6348KiB/230443msec); 0 zone resets clat (msec): min=31, max=492, avg=121.10, stdev=55.00 lat (msec): min=31, max=492, avg=121.10, stdev=55.00 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 55], 10.00th=[ 63], 20.00th=[ 78], | 30.00th=[ 89], 40.00th=[ 100], 50.00th=[ 110], 60.00th=[ 123], | 70.00th=[ 136], 80.00th=[ 159], 90.00th=[ 197], 95.00th=[ 230], | 99.00th=[ 292], 99.50th=[ 330], 99.90th=[ 397], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 7, max= 72, per=25.17%, avg=27.19, stdev=11.71, samples=453 iops : min= 1, max= 18, avg= 6.19, stdev= 3.01, samples=453 lat (msec) : 10=7.45%, 20=22.17%, 50=15.46%, 100=23.50%, 250=29.62% lat (msec) : 500=1.73%, 750=0.03%, 1000=0.03% cpu : usr=0.05%, sys=1.30%, ctx=5374, 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=148482: Fri Nov 7 00:25:57 2025 read: IOPS=6, BW=26.2KiB/s (26.8kB/s)(6028KiB/230269msec) clat (msec): min=4, max=351, avg=26.98, stdev=29.12 lat (msec): min=4, max=351, avg=26.98, stdev=29.12 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 21], | 70.00th=[ 25], 80.00th=[ 36], 90.00th=[ 59], 95.00th=[ 80], | 99.00th=[ 131], 99.50th=[ 205], 99.90th=[ 326], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 7, max= 143, per=27.36%, avg=28.18, stdev=19.79, samples=415 iops : min= 1, max= 35, avg= 6.44, stdev= 5.01, samples=415 write: IOPS=6, BW=27.2KiB/s (27.8kB/s)(6260KiB/230269msec); 0 zone resets clat (msec): min=23, max=811, avg=120.93, stdev=58.41 lat (msec): min=23, max=811, avg=120.93, stdev=58.41 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 56], 10.00th=[ 65], 20.00th=[ 79], | 30.00th=[ 88], 40.00th=[ 99], 50.00th=[ 108], 60.00th=[ 120], | 70.00th=[ 133], 80.00th=[ 159], 90.00th=[ 194], 95.00th=[ 232], | 99.00th=[ 305], 99.50th=[ 334], 99.90th=[ 531], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 7, max= 72, per=24.82%, avg=26.81, stdev=12.16, samples=452 iops : min= 1, max= 18, avg= 6.09, stdev= 3.14, samples=452 lat (msec) : 10=6.80%, 20=22.62%, 50=15.04%, 100=24.54%, 250=29.00% lat (msec) : 500=1.89%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.28%, ctx=5190, 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=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=148483: Fri Nov 7 00:25:57 2025 read: IOPS=6, BW=26.2KiB/s (26.9kB/s)(6052KiB/230626msec) clat (msec): min=4, max=446, avg=27.15, stdev=30.26 lat (msec): min=4, max=446, avg=27.15, stdev=30.26 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 11], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 18], 60.00th=[ 21], | 70.00th=[ 25], 80.00th=[ 36], 90.00th=[ 61], 95.00th=[ 80], | 99.00th=[ 138], 99.50th=[ 197], 99.90th=[ 347], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 7, max= 120, per=27.50%, avg=28.33, stdev=18.56, samples=415 iops : min= 1, max= 30, avg= 6.47, stdev= 4.70, samples=415 write: IOPS=6, BW=27.0KiB/s (27.7kB/s)(6236KiB/230626msec); 0 zone resets clat (msec): min=30, max=803, avg=121.35, stdev=59.37 lat (msec): min=30, max=803, avg=121.35, stdev=59.37 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 56], 10.00th=[ 64], 20.00th=[ 77], | 30.00th=[ 87], 40.00th=[ 97], 50.00th=[ 108], 60.00th=[ 122], | 70.00th=[ 138], 80.00th=[ 157], 90.00th=[ 197], 95.00th=[ 232], | 99.00th=[ 305], 99.50th=[ 363], 99.90th=[ 527], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 7, max= 72, per=24.73%, avg=26.71, stdev=12.13, samples=452 iops : min= 1, max= 18, avg= 6.07, stdev= 3.11, samples=452 lat (msec) : 10=7.03%, 20=22.14%, 50=14.94%, 100=25.62%, 250=28.52% lat (msec) : 500=1.69%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.31%, ctx=5243, 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=104KiB/s (106kB/s), 25.8KiB/s-26.2KiB/s (26.4kB/s-26.9kB/s), io=23.4MiB (24.6MB), run=230269-231080msec WRITE: bw=109KiB/s (111kB/s), 27.0KiB/s-27.5KiB/s (27.7kB/s-28.2kB/s), io=24.6MiB (25.7MB), run=230269-231080msec 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=148533: Fri Nov 7 00:26:25 2025 read: IOPS=21, BW=336KiB/s (344kB/s)(5920KiB/17609msec) clat (usec): min=99, max=275852, avg=24016.75, stdev=24071.45 lat (usec): min=99, max=275853, avg=24027.89, stdev=24072.83 clat percentiles (usec): | 1.00th=[ 113], 5.00th=[ 153], 10.00th=[ 172], 20.00th=[ 297], | 30.00th=[ 12125], 40.00th=[ 17695], 50.00th=[ 22152], 60.00th=[ 25822], | 70.00th=[ 31851], 80.00th=[ 38536], 90.00th=[ 47973], 95.00th=[ 57410], | 99.00th=[ 79168], 99.50th=[162530], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 95, max= 736, per=27.30%, avg=327.56, stdev=133.22, samples=34 iops : min= 5, max= 46, avg=19.82, stdev= 8.38, samples=34 write: IOPS=22, BW=362KiB/s (370kB/s)(6368KiB/17609msec); 0 zone resets clat (usec): min=1211, max=148983, avg=21353.42, stdev=22457.13 lat (usec): min=1212, max=148986, avg=21355.57, stdev=22457.26 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1614], 10.00th=[ 1844], 20.00th=[ 2835], | 30.00th=[ 4817], 40.00th=[ 7963], 50.00th=[ 12125], 60.00th=[ 20055], | 70.00th=[ 28443], 80.00th=[ 40109], 90.00th=[ 54789], 95.00th=[ 65799], | 99.00th=[ 89654], 99.50th=[125305], 99.90th=[149947], 99.95th=[149947], | 99.99th=[149947] bw ( KiB/s): min= 141, max= 664, per=28.33%, avg=357.50, stdev=123.92, samples=34 iops : min= 8, max= 41, avg=21.71, stdev= 7.78, samples=34 lat (usec) : 100=0.13%, 250=7.81%, 500=3.26%, 750=0.13%, 1000=0.39% lat (msec) : 2=7.03%, 4=7.81%, 10=10.29%, 20=16.41%, 50=36.33% lat (msec) : 100=9.90%, 250=0.39%, 500=0.13% cpu : usr=0.12%, sys=10.35%, ctx=1441, 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=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=148534: Fri Nov 7 00:26:25 2025 read: IOPS=19, BW=310KiB/s (317kB/s)(5744KiB/18551msec) clat (usec): min=108, max=131178, avg=24213.62, stdev=21338.74 lat (usec): min=109, max=131178, avg=24222.13, stdev=21340.06 clat percentiles (usec): | 1.00th=[ 112], 5.00th=[ 133], 10.00th=[ 155], 20.00th=[ 277], | 30.00th=[ 13829], 40.00th=[ 17957], 50.00th=[ 21365], 60.00th=[ 26608], | 70.00th=[ 31851], 80.00th=[ 38011], 90.00th=[ 50070], 95.00th=[ 61080], | 99.00th=[100140], 99.50th=[114820], 99.90th=[131597], 99.95th=[131597], | 99.99th=[131597] bw ( KiB/s): min= 96, max= 606, per=25.79%, avg=309.44, stdev=107.16, samples=36 iops : min= 6, max= 37, avg=18.67, stdev= 6.65, samples=36 write: IOPS=22, BW=353KiB/s (361kB/s)(6544KiB/18551msec); 0 zone resets clat (usec): min=1202, max=233948, avg=23541.98, stdev=26371.57 lat (usec): min=1204, max=233950, avg=23543.86, stdev=26371.58 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1549], 10.00th=[ 1696], 20.00th=[ 3097], | 30.00th=[ 5735], 40.00th=[ 9241], 50.00th=[ 16450], 60.00th=[ 23462], | 70.00th=[ 30016], 80.00th=[ 41157], 90.00th=[ 53216], 95.00th=[ 65274], | 99.00th=[109577], 99.50th=[170918], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 126, max= 664, per=27.68%, avg=349.31, stdev=120.51, samples=36 iops : min= 7, max= 41, avg=21.19, stdev= 7.54, samples=36 lat (usec) : 250=8.98%, 500=1.43%, 750=0.78% lat (msec) : 2=6.38%, 4=6.25%, 10=11.07%, 20=14.97%, 50=39.06% lat (msec) : 100=9.90%, 250=1.17% cpu : usr=0.14%, sys=9.87%, ctx=1490, 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=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=148535: Fri Nov 7 00:26:25 2025 read: IOPS=19, BW=313KiB/s (321kB/s)(6256KiB/19956msec) clat (usec): min=95, max=234755, avg=25671.43, stdev=24238.75 lat (usec): min=96, max=234756, avg=25672.51, stdev=24238.77 clat percentiles (usec): | 1.00th=[ 114], 5.00th=[ 151], 10.00th=[ 180], 20.00th=[ 553], | 30.00th=[ 14746], 40.00th=[ 19268], 50.00th=[ 23200], 60.00th=[ 28443], | 70.00th=[ 33162], 80.00th=[ 38536], 90.00th=[ 48497], 95.00th=[ 62129], | 99.00th=[135267], 99.50th=[156238], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 112, max= 600, per=26.24%, avg=314.82, stdev=111.76, samples=39 iops : min= 7, max= 37, avg=19.05, stdev= 6.97, samples=39 write: IOPS=18, BW=302KiB/s (310kB/s)(6032KiB/19956msec); 0 zone resets clat (usec): min=1280, max=227479, avg=25781.90, stdev=28852.98 lat (usec): min=1281, max=227481, avg=25783.90, stdev=28852.99 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1582], 10.00th=[ 1745], 20.00th=[ 3752], | 30.00th=[ 6259], 40.00th=[ 11469], 50.00th=[ 18482], 60.00th=[ 24511], | 70.00th=[ 32113], 80.00th=[ 41681], 90.00th=[ 60556], 95.00th=[ 80217], | 99.00th=[147850], 99.50th=[210764], 99.90th=[227541], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 64, max= 526, per=23.56%, avg=297.28, stdev=106.20, samples=39 iops : min= 4, max= 32, avg=17.92, stdev= 6.67, samples=39 lat (usec) : 100=0.13%, 250=7.03%, 500=2.99%, 750=0.13%, 1000=0.52% lat (msec) : 2=7.03%, 4=4.30%, 10=9.51%, 20=15.49%, 50=41.54% lat (msec) : 100=9.77%, 250=1.56% cpu : usr=0.12%, sys=9.40%, ctx=1510, 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=148536: Fri Nov 7 00:26:25 2025 read: IOPS=21, BW=351KiB/s (360kB/s)(6032KiB/17169msec) clat (usec): min=102, max=137073, avg=23964.60, stdev=20141.12 lat (usec): min=103, max=137074, avg=23966.16, stdev=20140.95 clat percentiles (usec): | 1.00th=[ 114], 5.00th=[ 139], 10.00th=[ 163], 20.00th=[ 334], | 30.00th=[ 13304], 40.00th=[ 18482], 50.00th=[ 22414], 60.00th=[ 26870], | 70.00th=[ 32375], 80.00th=[ 39584], 90.00th=[ 49546], 95.00th=[ 59507], | 99.00th=[ 79168], 99.50th=[113771], 99.90th=[137364], 99.95th=[137364], | 99.99th=[137364] bw ( KiB/s): min= 189, max= 544, per=28.82%, avg=345.79, stdev=87.15, samples=33 iops : min= 11, max= 34, avg=20.97, stdev= 5.54, samples=33 write: IOPS=22, BW=364KiB/s (373kB/s)(6256KiB/17169msec); 0 zone resets clat (usec): min=1256, max=165973, avg=20646.12, stdev=21906.35 lat (usec): min=1257, max=165973, avg=20647.89, stdev=21906.34 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 1532], 10.00th=[ 1762], 20.00th=[ 2671], | 30.00th=[ 4621], 40.00th=[ 7963], 50.00th=[ 13304], 60.00th=[ 19530], | 70.00th=[ 26084], 80.00th=[ 35914], 90.00th=[ 51119], 95.00th=[ 64750], | 99.00th=[ 91751], 99.50th=[100140], 99.90th=[166724], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 190, max= 544, per=28.58%, avg=360.73, stdev=93.14, samples=33 iops : min= 11, max= 34, avg=21.91, stdev= 5.87, samples=33 lat (usec) : 250=8.46%, 500=2.73%, 750=0.39%, 1000=0.39% lat (msec) : 2=7.55%, 4=7.29%, 10=9.64%, 20=16.54%, 50=37.11% lat (msec) : 100=9.38%, 250=0.52% cpu : usr=0.13%, sys=10.73%, ctx=1413, 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=1200KiB/s (1229kB/s), 310KiB/s-351KiB/s (317kB/s-360kB/s), io=23.4MiB (24.5MB), run=17169-19956msec WRITE: bw=1263KiB/s (1293kB/s), 302KiB/s-364KiB/s (310kB/s-373kB/s), io=24.6MiB (25.8MB), run=17169-19956msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148537: Fri Nov 7 00:27:07 2025 read: IOPS=6, BW=96.1KiB/s (98.4kB/s)(5920KiB/61606msec) clat (msec): min=6, max=370, avg=28.40, stdev=30.75 lat (msec): min=6, max=370, avg=28.40, stdev=30.75 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 23], | 70.00th=[ 26], 80.00th=[ 36], 90.00th=[ 54], 95.00th=[ 80], | 99.00th=[ 155], 99.50th=[ 234], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 29, max= 382, per=26.48%, avg=102.20, stdev=65.88, samples=114 iops : min= 1, max= 23, avg= 5.68, stdev= 4.21, samples=114 write: IOPS=6, BW=103KiB/s (106kB/s)(6368KiB/61606msec); 0 zone resets clat (msec): min=45, max=349, avg=127.79, stdev=46.99 lat (msec): min=45, max=349, avg=127.79, stdev=46.99 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 67], 10.00th=[ 74], 20.00th=[ 90], | 30.00th=[ 101], 40.00th=[ 111], 50.00th=[ 122], 60.00th=[ 132], | 70.00th=[ 142], 80.00th=[ 159], 90.00th=[ 194], 95.00th=[ 224], | 99.00th=[ 275], 99.50th=[ 334], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 28, max= 160, per=25.34%, avg=102.86, stdev=33.82, samples=122 iops : min= 1, max= 10, avg= 5.70, stdev= 2.17, samples=122 lat (msec) : 10=2.47%, 20=21.61%, 50=19.66%, 100=18.36%, 250=36.98% lat (msec) : 500=0.91% cpu : usr=0.04%, sys=1.48%, ctx=1405, 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=148538: Fri Nov 7 00:27:07 2025 read: IOPS=5, BW=92.6KiB/s (94.8kB/s)(5744KiB/62043msec) clat (msec): min=5, max=313, avg=29.19, stdev=30.79 lat (msec): min=5, max=313, avg=29.19, stdev=30.79 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 36], 90.00th=[ 56], 95.00th=[ 70], | 99.00th=[ 178], 99.50th=[ 279], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 28, max= 349, per=26.07%, avg=100.63, stdev=68.42, samples=113 iops : min= 1, max= 21, avg= 5.58, stdev= 4.32, samples=113 write: IOPS=6, BW=105KiB/s (108kB/s)(6544KiB/62043msec); 0 zone resets clat (msec): min=46, max=379, avg=125.54, stdev=45.79 lat (msec): min=46, max=379, avg=125.54, stdev=45.79 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 66], 10.00th=[ 74], 20.00th=[ 87], | 30.00th=[ 99], 40.00th=[ 110], 50.00th=[ 118], 60.00th=[ 130], | 70.00th=[ 144], 80.00th=[ 161], 90.00th=[ 184], 95.00th=[ 207], | 99.00th=[ 251], 99.50th=[ 305], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 31, max= 192, per=25.82%, avg=104.82, stdev=33.83, samples=123 iops : min= 1, max= 12, avg= 5.83, stdev= 2.18, samples=123 lat (msec) : 10=3.12%, 20=20.57%, 50=17.84%, 100=20.83%, 250=36.85% lat (msec) : 500=0.78% cpu : usr=0.03%, sys=1.52%, ctx=1351, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148539: Fri Nov 7 00:27:07 2025 read: IOPS=6, BW=106KiB/s (108kB/s)(6256KiB/59254msec) clat (msec): min=5, max=195, avg=27.44, stdev=24.85 lat (msec): min=5, max=195, avg=27.44, stdev=24.85 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 23], | 70.00th=[ 28], 80.00th=[ 35], 90.00th=[ 46], 95.00th=[ 68], | 99.00th=[ 144], 99.50th=[ 190], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 31, max= 349, per=28.90%, avg=111.54, stdev=72.91, samples=111 iops : min= 1, max= 21, avg= 6.24, stdev= 4.61, samples=111 write: IOPS=6, BW=102KiB/s (104kB/s)(6032KiB/59254msec); 0 zone resets clat (msec): min=45, max=350, avg=128.42, stdev=47.31 lat (msec): min=45, max=350, avg=128.44, stdev=47.31 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 69], 10.00th=[ 75], 20.00th=[ 88], | 30.00th=[ 100], 40.00th=[ 110], 50.00th=[ 123], 60.00th=[ 134], | 70.00th=[ 144], 80.00th=[ 159], 90.00th=[ 192], 95.00th=[ 228], | 99.00th=[ 264], 99.50th=[ 296], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 31, max= 160, per=24.86%, avg=100.95, stdev=30.35, samples=117 iops : min= 1, max= 10, avg= 5.58, stdev= 1.98, samples=117 lat (msec) : 10=2.73%, 20=22.66%, 50=21.48%, 100=17.58%, 250=34.64% lat (msec) : 500=0.91% cpu : usr=0.04%, sys=1.59%, ctx=1400, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148540: Fri Nov 7 00:27:07 2025 read: IOPS=6, BW=98.4KiB/s (101kB/s)(6032KiB/61273msec) clat (msec): min=6, max=281, avg=30.10, stdev=30.92 lat (msec): min=6, max=281, avg=30.10, stdev=30.92 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 23], | 70.00th=[ 28], 80.00th=[ 38], 90.00th=[ 65], 95.00th=[ 95], | 99.00th=[ 157], 99.50th=[ 226], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 31, max= 348, per=28.47%, avg=109.89, stdev=67.50, samples=107 iops : min= 1, max= 21, avg= 6.12, stdev= 4.28, samples=107 write: IOPS=6, BW=102KiB/s (105kB/s)(6256KiB/61273msec); 0 zone resets clat (msec): min=40, max=302, avg=127.14, stdev=43.08 lat (msec): min=40, max=302, avg=127.14, stdev=43.08 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 69], 10.00th=[ 79], 20.00th=[ 91], | 30.00th=[ 104], 40.00th=[ 112], 50.00th=[ 120], 60.00th=[ 129], | 70.00th=[ 144], 80.00th=[ 161], 90.00th=[ 182], 95.00th=[ 213], | 99.00th=[ 271], 99.50th=[ 296], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 31, max= 190, per=25.01%, avg=101.53, stdev=33.05, samples=121 iops : min= 1, max= 11, avg= 5.62, stdev= 2.12, samples=121 lat (msec) : 10=2.08%, 20=23.96%, 50=16.80%, 100=17.84%, 250=38.54% lat (msec) : 500=0.78% cpu : usr=0.03%, sys=1.52%, ctx=1349, 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=386KiB/s (395kB/s), 92.6KiB/s-106KiB/s (94.8kB/s-108kB/s), io=23.4MiB (24.5MB), run=59254-62043msec WRITE: bw=406KiB/s (416kB/s), 102KiB/s-105KiB/s (104kB/s-108kB/s), io=24.6MiB (25.8MB), run=59254-62043msec 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=148557: Fri Nov 7 00:27:21 2025 read: IOPS=1, BW=1848KiB/s (1893kB/s)(7168KiB/3878msec) clat (msec): min=122, max=549, avg=319.20, stdev=177.26 lat (msec): min=122, max=549, avg=319.20, stdev=177.26 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 161], 50.00th=[ 334], 60.00th=[ 447], | 70.00th=[ 447], 80.00th=[ 477], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 1961, max= 4376, per=55.51%, avg=2595.75, stdev=1187.21, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1320KiB/s (1352kB/s)(5120KiB/3878msec); 0 zone resets clat (msec): min=216, max=453, avg=314.83, stdev=90.50 lat (msec): min=216, max=453, avg=314.92, stdev=90.51 clat percentiles (msec): | 1.00th=[ 218], 5.00th=[ 218], 10.00th=[ 218], 20.00th=[ 218], | 30.00th=[ 257], 40.00th=[ 257], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 338], 80.00th=[ 338], 90.00th=[ 456], 95.00th=[ 456], | 99.00th=[ 456], 99.50th=[ 456], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 1961, max= 4015, per=38.03%, avg=2490.00, stdev=1016.89, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 250=33.33%, 500=58.33%, 750=8.33% cpu : usr=0.03%, sys=14.57%, ctx=263, 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=148558: Fri Nov 7 00:27:21 2025 read: IOPS=0, BW=468KiB/s (479kB/s)(2048KiB/4379msec) clat (msec): min=184, max=196, avg=190.36, stdev= 8.10 lat (msec): min=184, max=196, avg=190.36, stdev= 8.10 clat percentiles (msec): | 1.00th=[ 186], 5.00th=[ 186], 10.00th=[ 186], 20.00th=[ 186], | 30.00th=[ 186], 40.00th=[ 186], 50.00th=[ 186], 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= 2039, max= 2048, per=43.70%, avg=2043.50, stdev= 6.36, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2338KiB/s (2395kB/s)(10.0MiB/4379msec); 0 zone resets clat (msec): min=104, max=864, avg=397.03, stdev=252.08 lat (msec): min=104, max=864, avg=397.12, stdev=252.06 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 105], 10.00th=[ 105], 20.00th=[ 163], | 30.00th=[ 203], 40.00th=[ 234], 50.00th=[ 347], 60.00th=[ 376], | 70.00th=[ 405], 80.00th=[ 518], 90.00th=[ 760], 95.00th=[ 869], | 99.00th=[ 869], 99.50th=[ 869], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 1957, max= 6119, per=46.17%, avg=3022.83, stdev=1714.22, samples=6 iops : min= 1, max= 5, avg= 2.00, stdev= 1.67, samples=6 lat (msec) : 250=50.00%, 500=25.00%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=15.62%, ctx=154, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148559: Fri Nov 7 00:27:21 2025 read: IOPS=1, BW=1550KiB/s (1587kB/s)(6144KiB/3965msec) clat (msec): min=3, max=478, avg=231.38, stdev=171.48 lat (msec): min=3, max=478, avg=231.38, stdev=171.48 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 174], 50.00th=[ 174], 60.00th=[ 180], | 70.00th=[ 388], 80.00th=[ 388], 90.00th=[ 481], 95.00th=[ 481], | 99.00th=[ 481], 99.50th=[ 481], 99.90th=[ 481], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 1973, max= 4031, per=53.69%, avg=2510.50, stdev=1013.95, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1550KiB/s (1587kB/s)(6144KiB/3965msec); 0 zone resets clat (msec): min=204, max=862, avg=403.81, stdev=232.84 lat (msec): min=204, max=863, avg=403.89, stdev=232.85 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 205], 10.00th=[ 205], 20.00th=[ 313], | 30.00th=[ 313], 40.00th=[ 326], 50.00th=[ 326], 60.00th=[ 326], | 70.00th=[ 393], 80.00th=[ 393], 90.00th=[ 860], 95.00th=[ 860], | 99.00th=[ 860], 99.50th=[ 860], 99.90th=[ 860], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 1973, max= 2756, per=32.95%, avg=2157.20, stdev=335.41, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 lat (msec) : 4=8.33%, 250=33.33%, 500=50.00%, 1000=8.33% cpu : usr=0.08%, sys=13.75%, ctx=163, 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=148560: Fri Nov 7 00:27:21 2025 read: IOPS=1, BW=1622KiB/s (1661kB/s)(5120KiB/3157msec) clat (usec): min=624, max=418653, avg=199887.04, stdev=208505.69 lat (usec): min=625, max=418654, avg=199888.18, stdev=208505.14 clat percentiles (usec): | 1.00th=[ 627], 5.00th=[ 627], 10.00th=[ 627], 20.00th=[ 627], | 30.00th=[ 881], 40.00th=[ 881], 50.00th=[166724], 60.00th=[166724], | 70.00th=[413139], 80.00th=[413139], 90.00th=[417334], 95.00th=[417334], | 99.00th=[417334], 99.50th=[417334], 99.90th=[417334], 99.95th=[417334], | 99.99th=[417334] bw ( KiB/s): min= 3946, max= 4031, per=85.30%, avg=3988.50, stdev=60.10, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2271KiB/s (2325kB/s)(7168KiB/3157msec); 0 zone resets clat (msec): min=166, max=438, avg=299.34, stdev=109.74 lat (msec): min=166, max=438, avg=299.48, stdev=109.71 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 167], 10.00th=[ 167], 20.00th=[ 213], | 30.00th=[ 220], 40.00th=[ 220], 50.00th=[ 266], 60.00th=[ 376], | 70.00th=[ 376], 80.00th=[ 422], 90.00th=[ 439], 95.00th=[ 439], | 99.00th=[ 439], 99.50th=[ 439], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 1448, max= 6023, per=51.20%, avg=3352.25, stdev=2071.48, samples=4 iops : min= 1, max= 5, avg= 2.50, stdev= 1.91, samples=4 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 250=33.33%, 500=50.00% cpu : usr=0.13%, sys=17.24%, ctx=135, 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=4677KiB/s (4789kB/s), 468KiB/s-1848KiB/s (479kB/s-1893kB/s), io=20.0MiB (20.0MB), run=3157-4379msec WRITE: bw=6548KiB/s (6705kB/s), 1320KiB/s-2338KiB/s (1352kB/s-2395kB/s), io=28.0MiB (29.4MB), run=3157-4379msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148562: Fri Nov 7 00:27:22 2025 read: IOPS=1, BW=1789KiB/s (1832kB/s)(7168KiB/4007msec) clat (msec): min=44, max=899, avg=393.12, stdev=314.94 lat (msec): min=44, max=899, avg=393.12, stdev=314.94 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 45], 10.00th=[ 45], 20.00th=[ 56], | 30.00th=[ 245], 40.00th=[ 245], 50.00th=[ 401], 60.00th=[ 435], | 70.00th=[ 435], 80.00th=[ 676], 90.00th=[ 902], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 1828, max= 3900, per=45.70%, avg=2335.80, stdev=879.12, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1278KiB/s (1308kB/s)(5120KiB/4007msec); 0 zone resets clat (msec): min=97, max=324, avg=193.58, stdev=83.08 lat (msec): min=97, max=324, avg=193.68, stdev=83.07 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 97], 10.00th=[ 97], 20.00th=[ 97], | 30.00th=[ 169], 40.00th=[ 169], 50.00th=[ 171], 60.00th=[ 171], | 70.00th=[ 207], 80.00th=[ 207], 90.00th=[ 326], 95.00th=[ 326], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 2043, max= 6071, per=56.70%, avg=4057.00, stdev=2848.23, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 lat (msec) : 50=8.33%, 100=16.67%, 250=33.33%, 500=25.00%, 750=8.33% lat (msec) : 1000=8.33% cpu : usr=0.00%, sys=4.52%, ctx=88, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148563: Fri Nov 7 00:27:22 2025 read: IOPS=0, BW=542KiB/s (555kB/s)(2048KiB/3779msec) clat (msec): min=194, max=385, avg=290.08, stdev=135.15 lat (msec): min=194, max=385, avg=290.08, stdev=135.15 clat percentiles (msec): | 1.00th=[ 194], 5.00th=[ 194], 10.00th=[ 194], 20.00th=[ 194], | 30.00th=[ 194], 40.00th=[ 194], 50.00th=[ 194], 60.00th=[ 384], | 70.00th=[ 384], 80.00th=[ 384], 90.00th=[ 384], 95.00th=[ 384], | 99.00th=[ 384], 99.50th=[ 384], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 1620, max= 2043, per=35.83%, avg=1831.50, stdev=299.11, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2710KiB/s (2775kB/s)(10.0MiB/3779msec); 0 zone resets clat (msec): min=166, max=818, avg=297.01, stdev=202.62 lat (msec): min=167, max=827, avg=297.90, stdev=204.94 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 167], 10.00th=[ 167], 20.00th=[ 169], | 30.00th=[ 188], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 228], | 70.00th=[ 234], 80.00th=[ 275], 90.00th=[ 468], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 1790, max= 4087, per=47.34%, avg=3387.00, stdev=1072.54, samples=4 iops : min= 1, max= 3, avg= 2.50, stdev= 1.00, samples=4 lat (msec) : 250=66.67%, 500=25.00%, 1000=8.33% cpu : usr=0.00%, sys=5.58%, 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=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=148564: Fri Nov 7 00:27:22 2025 read: IOPS=1, BW=1735KiB/s (1776kB/s)(6144KiB/3542msec) clat (msec): min=97, max=155, avg=128.22, stdev=25.24 lat (msec): min=97, max=155, avg=128.23, stdev=25.24 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 99], 10.00th=[ 99], 20.00th=[ 107], | 30.00th=[ 107], 40.00th=[ 114], 50.00th=[ 114], 60.00th=[ 142], | 70.00th=[ 155], 80.00th=[ 155], 90.00th=[ 157], 95.00th=[ 157], | 99.00th=[ 157], 99.50th=[ 157], 99.90th=[ 157], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 1950, max= 5657, per=62.94%, avg=3216.67, stdev=2113.90, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 write: IOPS=1, BW=1735KiB/s (1776kB/s)(6144KiB/3542msec); 0 zone resets clat (msec): min=203, max=946, avg=448.07, stdev=269.34 lat (msec): min=203, max=946, avg=448.17, stdev=269.33 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 203], 10.00th=[ 203], 20.00th=[ 279], | 30.00th=[ 279], 40.00th=[ 296], 50.00th=[ 296], 60.00th=[ 477], | 70.00th=[ 489], 80.00th=[ 489], 90.00th=[ 944], 95.00th=[ 944], | 99.00th=[ 944], 99.50th=[ 944], 99.90th=[ 944], 99.95th=[ 944], | 99.99th=[ 944] bw ( KiB/s): min= 1885, max= 3657, per=33.32%, avg=2383.75, stdev=851.31, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=50.00%, 500=33.33%, 1000=8.33% cpu : usr=0.00%, sys=5.20%, ctx=72, 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=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=148565: Fri Nov 7 00:27:22 2025 read: IOPS=1, BW=1283KiB/s (1313kB/s)(5120KiB/3992msec) clat (msec): min=65, max=257, avg=149.46, stdev=76.28 lat (msec): min=65, max=257, avg=149.47, stdev=76.28 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 66], 10.00th=[ 66], 20.00th=[ 66], | 30.00th=[ 92], 40.00th=[ 92], 50.00th=[ 146], 60.00th=[ 146], | 70.00th=[ 186], 80.00th=[ 186], 90.00th=[ 257], 95.00th=[ 257], | 99.00th=[ 257], 99.50th=[ 257], 99.90th=[ 257], 99.95th=[ 257], | 99.99th=[ 257] bw ( KiB/s): min= 3813, max= 4039, per=76.81%, avg=3926.00, stdev=159.81, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1796KiB/s (1839kB/s)(7168KiB/3992msec); 0 zone resets clat (msec): min=119, max=1042, avg=413.87, stdev=339.95 lat (msec): min=119, max=1042, avg=413.95, stdev=339.95 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 120], 10.00th=[ 120], 20.00th=[ 128], | 30.00th=[ 218], 40.00th=[ 218], 50.00th=[ 232], 60.00th=[ 550], | 70.00th=[ 550], 80.00th=[ 617], 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= 1777, max= 2019, per=26.44%, avg=1891.60, stdev=102.98, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 100=16.67%, 250=50.00%, 500=8.33%, 750=16.67%, 2000=8.33% cpu : usr=0.10%, sys=5.91%, ctx=89, 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=5111KiB/s (5234kB/s), 542KiB/s-1789KiB/s (555kB/s-1832kB/s), io=20.0MiB (20.0MB), run=3542-4007msec WRITE: bw=7155KiB/s (7327kB/s), 1278KiB/s-2710KiB/s (1308kB/s-2775kB/s), io=28.0MiB (29.4MB), run=3542-4007msec 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=148574: Fri Nov 7 00:27:33 2025 read: IOPS=1, BW=6003KiB/s (6147kB/s)(12.0MiB/2047msec) clat (msec): min=464, max=959, avg=667.77, stdev=259.01 lat (msec): min=464, max=959, avg=667.78, stdev=259.01 clat percentiles (msec): | 1.00th=[ 464], 5.00th=[ 464], 10.00th=[ 464], 20.00th=[ 464], | 30.00th=[ 464], 40.00th=[ 584], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 961], 80.00th=[ 961], 90.00th=[ 961], 95.00th=[ 961], | 99.00th=[ 961], 99.50th=[ 961], 99.90th=[ 961], 99.95th=[ 961], | 99.99th=[ 961] bw ( KiB/s): min= 7488, max= 8078, per=100.00%, avg=7783.00, stdev=417.19, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.20%, sys=20.58%, ctx=518, 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=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=148577: Fri Nov 7 00:27:33 2025 read: IOPS=0, BW=1477KiB/s (1512kB/s)(4096KiB/2774msec) clat (nsec): min=584105k, max=584105k, avg=584105347.00, stdev= 0.00 lat (nsec): min=584109k, max=584109k, avg=584108917.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 584], 10.00th=[ 584], 20.00th=[ 584], | 30.00th=[ 584], 40.00th=[ 584], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 584], 80.00th=[ 584], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 6253, max= 6253, per=100.00%, avg=6253.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2953KiB/s (3024kB/s)(8192KiB/2774msec); 0 zone resets clat (msec): min=991, max=1163, avg=1077.56, stdev=121.16 lat (msec): min=993, max=1163, avg=1078.68, stdev=120.20 clat percentiles (msec): | 1.00th=[ 995], 5.00th=[ 995], 10.00th=[ 995], 20.00th=[ 995], | 30.00th=[ 995], 40.00th=[ 995], 50.00th=[ 995], 60.00th=[ 1167], | 70.00th=[ 1167], 80.00th=[ 1167], 90.00th=[ 1167], 95.00th=[ 1167], | 99.00th=[ 1167], 99.50th=[ 1167], 99.90th=[ 1167], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 8078, max= 8078, per=68.39%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.07%, sys=5.81%, ctx=100, 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=148579: Fri Nov 7 00:27:33 2025 write: IOPS=1, BW=4620KiB/s (4730kB/s)(12.0MiB/2660msec); 0 zone resets clat (msec): min=236, max=1311, avg=855.96, stdev=555.49 lat (msec): min=237, max=1311, avg=856.42, stdev=555.53 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 236], 10.00th=[ 236], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 1020], 50.00th=[ 1020], 60.00th=[ 1020], | 70.00th=[ 1318], 80.00th=[ 1318], 90.00th=[ 1318], 95.00th=[ 1318], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 8078, max= 8159, per=68.73%, avg=8118.50, stdev=57.28, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 2000=66.67% cpu : usr=0.00%, sys=5.30%, ctx=41, 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=148580: Fri Nov 7 00:27:33 2025 write: IOPS=1, BW=6178KiB/s (6326kB/s)(12.0MiB/1989msec); 0 zone resets clat (msec): min=388, max=1120, avg=644.28, stdev=412.84 lat (msec): min=388, max=1120, avg=644.63, stdev=412.83 clat percentiles (msec): | 1.00th=[ 388], 5.00th=[ 388], 10.00th=[ 388], 20.00th=[ 388], | 30.00th=[ 388], 40.00th=[ 426], 50.00th=[ 426], 60.00th=[ 426], | 70.00th=[ 1116], 80.00th=[ 1116], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 7185, max= 8047, per=64.48%, avg=7616.00, stdev=609.53, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=6.14%, ctx=44, 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=5906KiB/s (6048kB/s), 1477KiB/s-6003KiB/s (1512kB/s-6147kB/s), io=16.0MiB (16.8MB), run=2047-2774msec WRITE: bw=11.5MiB/s (12.1MB/s), 2953KiB/s-6178KiB/s (3024kB/s-6326kB/s), io=32.0MiB (33.6MB), run=1989-2774msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148573: Fri Nov 7 00:27:34 2025 read: IOPS=1, BW=5702KiB/s (5839kB/s)(12.0MiB/2155msec) clat (msec): min=591, max=853, avg=704.84, stdev=134.82 lat (msec): min=591, max=853, avg=704.85, stdev=134.83 clat percentiles (msec): | 1.00th=[ 592], 5.00th=[ 592], 10.00th=[ 592], 20.00th=[ 592], | 30.00th=[ 592], 40.00th=[ 667], 50.00th=[ 667], 60.00th=[ 667], | 70.00th=[ 852], 80.00th=[ 852], 90.00th=[ 852], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 7922, max= 8015, per=100.00%, avg=7968.50, stdev=65.76, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 1000=33.33% cpu : usr=0.00%, sys=5.57%, ctx=56, 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=148575: Fri Nov 7 00:27:34 2025 read: IOPS=0, BW=1653KiB/s (1693kB/s)(4096KiB/2478msec) clat (nsec): min=375571k, max=375571k, avg=375571065.00, stdev= 0.00 lat (nsec): min=375573k, max=375573k, avg=375573365.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 376], 5.00th=[ 376], 10.00th=[ 376], 20.00th=[ 376], | 30.00th=[ 376], 40.00th=[ 376], 50.00th=[ 376], 60.00th=[ 376], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 376], 95.00th=[ 376], | 99.00th=[ 376], 99.50th=[ 376], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 5696, max= 5696, per=86.16%, avg=5696.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3306KiB/s (3385kB/s)(8192KiB/2478msec); 0 zone resets clat (msec): min=842, max=1181, avg=1012.15, stdev=240.16 lat (msec): min=842, max=1182, avg=1012.55, stdev=240.20 clat percentiles (msec): | 1.00th=[ 844], 5.00th=[ 844], 10.00th=[ 844], 20.00th=[ 844], | 30.00th=[ 844], 40.00th=[ 844], 50.00th=[ 844], 60.00th=[ 1183], | 70.00th=[ 1183], 80.00th=[ 1183], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 8015, max= 8015, per=78.42%, avg=8015.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=4.72%, ctx=52, 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=148576: Fri Nov 7 00:27:34 2025 write: IOPS=0, BW=3833KiB/s (3925kB/s)(12.0MiB/3206msec); 0 zone resets clat (msec): min=261, max=1691, avg=1057.34, stdev=728.60 lat (msec): min=261, max=1691, avg=1057.77, stdev=728.63 clat percentiles (msec): | 1.00th=[ 262], 5.00th=[ 262], 10.00th=[ 262], 20.00th=[ 262], | 30.00th=[ 262], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 1687], 80.00th=[ 1687], 90.00th=[ 1687], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 8143, max= 8192, per=79.92%, avg=8167.50, stdev=34.65, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.59%, ctx=37, 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=148578: Fri Nov 7 00:27:34 2025 write: IOPS=1, BW=5553KiB/s (5686kB/s)(12.0MiB/2213msec); 0 zone resets clat (msec): min=257, max=1215, avg=713.36, stdev=480.73 lat (msec): min=257, max=1215, avg=713.83, stdev=480.79 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 667], 50.00th=[ 667], 60.00th=[ 667], | 70.00th=[ 1217], 80.00th=[ 1217], 90.00th=[ 1217], 95.00th=[ 1217], | 99.00th=[ 1217], 99.50th=[ 1217], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 5527, max= 5527, per=54.08%, avg=5527.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=8.86%, ctx=48, 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=6612KiB/s (6770kB/s), 1653KiB/s-5702KiB/s (1693kB/s-5839kB/s), io=16.0MiB (16.8MB), run=2155-2478msec WRITE: bw=9.98MiB/s (10.5MB/s), 3306KiB/s-5553KiB/s (3385kB/s-5686kB/s), io=32.0MiB (33.6MB), run=2213-3206msec