== sanity test 398b: DIO and buffer IO race ============== 14:09:19 (1787854159) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.15178 s, 8.2 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=145189: Thu Aug 27 14:11:31 2026 read: IOPS=13, BW=53.0KiB/s (54.3kB/s)(5992KiB/112998msec) clat (usec): min=36, max=345321, avg=36279.29, stdev=27441.52 lat (usec): min=36, max=345323, avg=36283.50, stdev=27440.82 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 58], 10.00th=[ 135], 20.00th=[ 17433], | 30.00th=[ 22152], 40.00th=[ 25560], 50.00th=[ 30802], 60.00th=[ 36963], | 70.00th=[ 44827], 80.00th=[ 55313], 90.00th=[ 68682], 95.00th=[ 83362], | 99.00th=[117965], 99.50th=[141558], 99.90th=[225444], 99.95th=[346031], | 99.99th=[346031] bw ( KiB/s): min= 7, max= 120, per=24.88%, avg=52.74, stdev=19.81, samples=222 iops : min= 1, max= 30, avg=12.55, stdev= 5.00, samples=222 write: IOPS=13, BW=55.7KiB/s (57.1kB/s)(6296KiB/112998msec); 0 zone resets clat (usec): min=972, max=682313, avg=36962.12, stdev=40326.98 lat (usec): min=973, max=682314, avg=36965.07, stdev=40327.15 clat percentiles (usec): | 1.00th=[ 1139], 5.00th=[ 1303], 10.00th=[ 1991], 20.00th=[ 3916], | 30.00th=[ 8029], 40.00th=[ 17957], 50.00th=[ 27919], 60.00th=[ 37487], | 70.00th=[ 49021], 80.00th=[ 63701], 90.00th=[ 85459], 95.00th=[102237], | 99.00th=[152044], 99.50th=[200279], 99.90th=[446694], 99.95th=[683672], | 99.99th=[683672] bw ( KiB/s): min= 7, max= 152, per=24.81%, avg=55.07, stdev=22.66, samples=223 iops : min= 1, max= 38, avg=13.13, stdev= 5.73, samples=223 lat (usec) : 50=0.49%, 100=4.07%, 250=0.62%, 500=0.20%, 750=0.13% lat (usec) : 1000=0.16% lat (msec) : 2=5.11%, 4=5.21%, 10=6.67%, 20=11.13%, 50=38.67% lat (msec) : 100=23.31%, 250=4.10%, 500=0.10%, 750=0.03% cpu : usr=0.07%, sys=5.65%, ctx=6705, 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=145190: Thu Aug 27 14:11:31 2026 read: IOPS=13, BW=52.6KiB/s (53.9kB/s)(5940KiB/112901msec) clat (usec): min=24, max=728965, avg=36364.39, stdev=32190.35 lat (usec): min=24, max=728966, avg=36366.94, stdev=32190.76 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 59], 10.00th=[ 165], 20.00th=[ 16712], | 30.00th=[ 21627], 40.00th=[ 25035], 50.00th=[ 30278], 60.00th=[ 36963], | 70.00th=[ 45351], 80.00th=[ 55313], 90.00th=[ 68682], 95.00th=[ 84411], | 99.00th=[114820], 99.50th=[141558], 99.90th=[329253], 99.95th=[725615], | 99.99th=[725615] bw ( KiB/s): min= 7, max= 126, per=24.77%, avg=52.51, stdev=21.61, samples=221 iops : min= 1, max= 31, avg=12.50, stdev= 5.43, samples=221 write: IOPS=14, BW=56.2KiB/s (57.6kB/s)(6348KiB/112901msec); 0 zone resets clat (usec): min=918, max=423929, avg=36788.74, stdev=38307.40 lat (usec): min=919, max=423930, avg=36791.37, stdev=38306.94 clat percentiles (usec): | 1.00th=[ 1123], 5.00th=[ 1336], 10.00th=[ 2040], 20.00th=[ 4146], | 30.00th=[ 7701], 40.00th=[ 16712], 50.00th=[ 27132], 60.00th=[ 38011], | 70.00th=[ 49546], 80.00th=[ 65799], 90.00th=[ 86508], 95.00th=[104334], | 99.00th=[160433], 99.50th=[196084], 99.90th=[274727], 99.95th=[425722], | 99.99th=[425722] bw ( KiB/s): min= 7, max= 125, per=25.11%, avg=55.73, stdev=22.11, samples=222 iops : min= 1, max= 31, avg=13.30, stdev= 5.57, samples=222 lat (usec) : 50=0.65%, 100=3.65%, 250=0.62%, 500=0.23%, 1000=0.16% lat (msec) : 2=5.21%, 4=4.92%, 10=7.85%, 20=11.49%, 50=37.83% lat (msec) : 100=23.57%, 250=3.61%, 500=0.20%, 750=0.03% cpu : usr=0.07%, sys=5.78%, ctx=6752, 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=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=145191: Thu Aug 27 14:11:31 2026 read: IOPS=13, BW=54.4KiB/s (55.7kB/s)(6028KiB/110721msec) clat (usec): min=27, max=252015, avg=34517.54, stdev=26128.75 lat (usec): min=27, max=252015, avg=34521.42, stdev=26126.88 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 100], 20.00th=[ 15926], | 30.00th=[ 20841], 40.00th=[ 25560], 50.00th=[ 30016], 60.00th=[ 35390], | 70.00th=[ 42730], 80.00th=[ 52167], 90.00th=[ 66323], 95.00th=[ 78119], | 99.00th=[119014], 99.50th=[152044], 99.90th=[221250], 99.95th=[252707], | 99.99th=[252707] bw ( KiB/s): min= 7, max= 119, per=25.54%, avg=54.14, stdev=22.45, samples=218 iops : min= 1, max= 29, avg=12.90, stdev= 5.63, samples=218 write: IOPS=14, BW=56.5KiB/s (57.9kB/s)(6260KiB/110721msec); 0 zone resets clat (usec): min=936, max=644999, avg=37222.91, stdev=39426.07 lat (usec): min=937, max=645001, avg=37224.81, stdev=39425.87 clat percentiles (usec): | 1.00th=[ 1123], 5.00th=[ 1369], 10.00th=[ 2057], 20.00th=[ 4228], | 30.00th=[ 8094], 40.00th=[ 17171], 50.00th=[ 29230], 60.00th=[ 39060], | 70.00th=[ 51119], 80.00th=[ 63177], 90.00th=[ 82314], 95.00th=[106431], | 99.00th=[154141], 99.50th=[181404], 99.90th=[354419], 99.95th=[641729], | 99.99th=[641729] bw ( KiB/s): min= 7, max= 127, per=25.21%, avg=55.96, stdev=20.34, samples=219 iops : min= 1, max= 31, avg=13.36, stdev= 5.13, samples=219 lat (usec) : 50=0.72%, 100=4.20%, 250=0.68%, 500=0.20%, 750=0.03% lat (usec) : 1000=0.13% lat (msec) : 2=4.95%, 4=4.88%, 10=7.45%, 20=11.85%, 50=38.44% lat (msec) : 100=22.53%, 250=3.81%, 500=0.10%, 750=0.03% cpu : usr=0.06%, sys=5.71%, ctx=6824, 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=145192: Thu Aug 27 14:11:31 2026 read: IOPS=13, BW=53.9KiB/s (55.2kB/s)(6052KiB/112222msec) clat (usec): min=32, max=365445, avg=36313.94, stdev=29586.13 lat (usec): min=32, max=365447, avg=36319.11, stdev=29586.36 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 90], 20.00th=[ 15664], | 30.00th=[ 20317], 40.00th=[ 25297], 50.00th=[ 30278], 60.00th=[ 36439], | 70.00th=[ 45876], 80.00th=[ 55837], 90.00th=[ 71828], 95.00th=[ 84411], | 99.00th=[124257], 99.50th=[170918], 99.90th=[329253], 99.95th=[367002], | 99.99th=[367002] bw ( KiB/s): min= 7, max= 128, per=25.28%, avg=53.60, stdev=21.13, samples=220 iops : min= 1, max= 32, avg=12.79, stdev= 5.35, samples=220 write: IOPS=13, BW=55.6KiB/s (56.9kB/s)(6236KiB/112222msec); 0 zone resets clat (usec): min=1035, max=666678, avg=36403.93, stdev=39185.08 lat (usec): min=1036, max=666679, avg=36409.58, stdev=39185.13 clat percentiles (usec): | 1.00th=[ 1106], 5.00th=[ 1287], 10.00th=[ 1860], 20.00th=[ 3818], | 30.00th=[ 7111], 40.00th=[ 16188], 50.00th=[ 28181], 60.00th=[ 38536], | 70.00th=[ 48497], 80.00th=[ 62129], 90.00th=[ 84411], 95.00th=[105382], | 99.00th=[160433], 99.50th=[187696], 99.90th=[221250], 99.95th=[666895], | 99.99th=[666895] bw ( KiB/s): min= 7, max= 118, per=24.74%, avg=54.92, stdev=21.01, samples=221 iops : min= 1, max= 29, avg=13.12, stdev= 5.28, samples=221 lat (usec) : 50=0.78%, 100=4.26%, 250=0.52%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=5.70%, 4=4.92%, 10=7.39%, 20=12.27%, 50=36.88% lat (msec) : 100=23.05%, 250=3.97%, 500=0.07%, 750=0.03% cpu : usr=0.07%, sys=5.57%, ctx=6793, 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=212KiB/s (218kB/s), 52.6KiB/s-54.4KiB/s (53.9kB/s-55.7kB/s), io=23.4MiB (24.6MB), run=110721-112998msec WRITE: bw=222KiB/s (228kB/s), 55.6KiB/s-56.5KiB/s (56.9kB/s-57.9kB/s), io=24.6MiB (25.7MB), run=110721-112998msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145194: Thu Aug 27 14:13:31 2026 read: IOPS=6, BW=25.9KiB/s (26.5kB/s)(5992KiB/231158msec) clat (msec): min=5, max=710, avg=32.28, stdev=37.50 lat (msec): min=5, max=710, avg=32.28, stdev=37.50 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 26], | 70.00th=[ 32], 80.00th=[ 42], 90.00th=[ 71], 95.00th=[ 94], | 99.00th=[ 190], 99.50th=[ 245], 99.90th=[ 317], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 7, max= 95, per=26.92%, avg=27.73, stdev=18.59, samples=420 iops : min= 1, max= 23, avg= 6.36, stdev= 4.69, samples=420 write: IOPS=6, BW=27.2KiB/s (27.9kB/s)(6296KiB/231158msec); 0 zone resets clat (msec): min=36, max=442, avg=116.07, stdev=53.36 lat (msec): min=36, max=442, avg=116.08, stdev=53.36 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 55], 10.00th=[ 63], 20.00th=[ 74], | 30.00th=[ 83], 40.00th=[ 92], 50.00th=[ 103], 60.00th=[ 115], | 70.00th=[ 130], 80.00th=[ 153], 90.00th=[ 190], 95.00th=[ 224], | 99.00th=[ 284], 99.50th=[ 305], 99.90th=[ 435], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 7, max= 56, per=25.12%, avg=26.88, stdev=11.77, samples=454 iops : min= 1, max= 14, avg= 6.14, stdev= 3.00, samples=454 lat (msec) : 10=4.69%, 20=18.82%, 50=18.88%, 100=29.17%, 250=26.86% lat (msec) : 500=1.56%, 750=0.03% cpu : usr=0.04%, sys=1.21%, ctx=5292, 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=145195: Thu Aug 27 14:13:31 2026 read: IOPS=6, BW=25.5KiB/s (26.1kB/s)(5940KiB/232788msec) clat (msec): min=4, max=744, avg=30.91, stdev=33.87 lat (msec): min=4, max=744, avg=30.92, stdev=33.87 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 41], 90.00th=[ 63], 95.00th=[ 87], | 99.00th=[ 142], 99.50th=[ 197], 99.90th=[ 271], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 7, max= 96, per=26.77%, avg=27.57, stdev=18.40, samples=418 iops : min= 1, max= 24, avg= 6.32, stdev= 4.64, samples=418 write: IOPS=6, BW=27.3KiB/s (27.9kB/s)(6348KiB/232788msec); 0 zone resets clat (msec): min=39, max=493, avg=117.67, stdev=54.84 lat (msec): min=39, max=493, avg=117.68, stdev=54.85 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 77], | 30.00th=[ 85], 40.00th=[ 94], 50.00th=[ 104], 60.00th=[ 114], | 70.00th=[ 132], 80.00th=[ 155], 90.00th=[ 190], 95.00th=[ 230], | 99.00th=[ 305], 99.50th=[ 330], 99.90th=[ 447], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 7, max= 56, per=25.01%, avg=26.76, stdev=11.37, samples=459 iops : min= 1, max= 14, avg= 6.11, stdev= 2.89, samples=459 lat (msec) : 10=4.88%, 20=16.99%, 50=20.21%, 100=28.61%, 250=27.73% lat (msec) : 500=1.53%, 750=0.03% cpu : usr=0.04%, sys=1.23%, ctx=5297, 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=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=145196: Thu Aug 27 14:13:31 2026 read: IOPS=6, BW=25.9KiB/s (26.5kB/s)(6028KiB/232587msec) clat (msec): min=4, max=315, avg=32.47, stdev=30.68 lat (msec): min=4, max=315, avg=32.47, stdev=30.68 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 33], 80.00th=[ 45], 90.00th=[ 72], 95.00th=[ 94], | 99.00th=[ 148], 99.50th=[ 194], 99.90th=[ 251], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 7, max= 96, per=26.30%, avg=27.09, stdev=18.52, samples=432 iops : min= 1, max= 24, avg= 6.19, stdev= 4.68, samples=432 write: IOPS=6, BW=26.9KiB/s (27.6kB/s)(6260KiB/232587msec); 0 zone resets clat (msec): min=34, max=832, avg=117.27, stdev=57.21 lat (msec): min=34, max=832, avg=117.27, stdev=57.21 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 74], | 30.00th=[ 84], 40.00th=[ 93], 50.00th=[ 104], 60.00th=[ 115], | 70.00th=[ 132], 80.00th=[ 155], 90.00th=[ 192], 95.00th=[ 222], | 99.00th=[ 300], 99.50th=[ 368], 99.90th=[ 447], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 7, max= 56, per=24.94%, avg=26.69, stdev=11.65, samples=455 iops : min= 1, max= 14, avg= 6.09, stdev= 2.98, samples=455 lat (msec) : 10=5.01%, 20=17.15%, 50=19.53%, 100=29.52%, 250=27.31% lat (msec) : 500=1.43%, 1000=0.03% cpu : usr=0.04%, sys=1.20%, ctx=5221, 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=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=145197: Thu Aug 27 14:13:31 2026 read: IOPS=6, BW=26.2KiB/s (26.8kB/s)(6052KiB/230876msec) clat (msec): min=5, max=314, avg=30.39, stdev=28.31 lat (msec): min=5, max=314, avg=30.39, stdev=28.31 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 32], 80.00th=[ 42], 90.00th=[ 66], 95.00th=[ 86], | 99.00th=[ 136], 99.50th=[ 148], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 7, max= 128, per=27.41%, avg=28.24, stdev=18.91, samples=417 iops : min= 1, max= 32, avg= 6.48, stdev= 4.78, samples=417 write: IOPS=6, BW=27.0KiB/s (27.7kB/s)(6236KiB/230876msec); 0 zone resets clat (msec): min=35, max=839, avg=118.53, stdev=57.51 lat (msec): min=35, max=839, avg=118.54, stdev=57.51 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 58], 10.00th=[ 65], 20.00th=[ 75], | 30.00th=[ 85], 40.00th=[ 93], 50.00th=[ 105], 60.00th=[ 118], | 70.00th=[ 136], 80.00th=[ 159], 90.00th=[ 190], 95.00th=[ 215], | 99.00th=[ 317], 99.50th=[ 368], 99.90th=[ 502], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 7, max= 56, per=24.99%, avg=26.74, stdev=11.32, samples=453 iops : min= 1, max= 14, avg= 6.10, stdev= 2.89, samples=453 lat (msec) : 10=4.92%, 20=18.23%, 50=19.40%, 100=28.71%, 250=27.54% lat (msec) : 500=1.14%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.21%, ctx=5237, 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=103KiB/s (106kB/s), 25.5KiB/s-26.2KiB/s (26.1kB/s-26.8kB/s), io=23.4MiB (24.6MB), run=230876-232788msec WRITE: bw=108KiB/s (111kB/s), 26.9KiB/s-27.3KiB/s (27.6kB/s-27.9kB/s), io=24.6MiB (25.7MB), run=230876-232788msec 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=145252: Thu Aug 27 14:14:08 2026 read: IOPS=14, BW=235KiB/s (240kB/s)(5920KiB/25238msec) clat (usec): min=37, max=132427, avg=33748.64, stdev=26696.56 lat (usec): min=37, max=132428, avg=33750.91, stdev=26695.26 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 76], | 30.00th=[ 20055], 40.00th=[ 26870], 50.00th=[ 32900], 60.00th=[ 38011], | 70.00th=[ 43779], 80.00th=[ 54264], 90.00th=[ 69731], 95.00th=[ 85459], | 99.00th=[107480], 99.50th=[128451], 99.90th=[132645], 99.95th=[132645], | 99.99th=[132645] bw ( KiB/s): min= 92, max= 542, per=25.79%, avg=236.20, stdev=89.68, samples=49 iops : min= 5, max= 33, avg=14.04, stdev= 5.66, samples=49 write: IOPS=15, BW=252KiB/s (258kB/s)(6368KiB/25238msec); 0 zone resets clat (usec): min=1396, max=270199, avg=31565.23, stdev=35474.74 lat (usec): min=1398, max=270203, avg=31571.60, stdev=35480.86 clat percentiles (usec): | 1.00th=[ 1500], 5.00th=[ 1811], 10.00th=[ 2376], 20.00th=[ 4490], | 30.00th=[ 7111], 40.00th=[ 10421], 50.00th=[ 16319], 60.00th=[ 30016], | 70.00th=[ 42730], 80.00th=[ 56886], 90.00th=[ 78119], 95.00th=[ 96994], | 99.00th=[177210], 99.50th=[217056], 99.90th=[270533], 99.95th=[270533], | 99.99th=[270533] bw ( KiB/s): min= 62, max= 510, per=26.38%, avg=254.02, stdev=104.25, samples=49 iops : min= 3, max= 31, avg=15.16, stdev= 6.59, samples=49 lat (usec) : 50=1.43%, 100=8.59%, 250=1.04%, 500=0.13%, 1000=0.13% lat (msec) : 2=3.91%, 4=5.99%, 10=10.81%, 20=9.51%, 50=34.38% lat (msec) : 100=21.22%, 250=2.73%, 500=0.13% cpu : usr=0.06%, sys=6.10%, ctx=1473, 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=145254: Thu Aug 27 14:14:08 2026 read: IOPS=13, BW=220KiB/s (225kB/s)(5744KiB/26146msec) clat (usec): min=43, max=239204, avg=38273.34, stdev=31292.64 lat (usec): min=43, max=239205, avg=38274.73, stdev=31292.80 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 61], 10.00th=[ 70], 20.00th=[ 1287], | 30.00th=[ 22152], 40.00th=[ 28443], 50.00th=[ 35390], 60.00th=[ 41681], | 70.00th=[ 51119], 80.00th=[ 61080], 90.00th=[ 74974], 95.00th=[ 88605], | 99.00th=[141558], 99.50th=[162530], 99.90th=[240124], 99.95th=[240124], | 99.99th=[240124] bw ( KiB/s): min= 63, max= 480, per=23.80%, avg=218.00, stdev=85.83, samples=51 iops : min= 3, max= 30, avg=12.90, stdev= 5.43, samples=51 write: IOPS=15, BW=250KiB/s (256kB/s)(6544KiB/26146msec); 0 zone resets clat (usec): min=1370, max=295089, avg=30085.75, stdev=32920.13 lat (usec): min=1371, max=295091, avg=30116.78, stdev=32948.95 clat percentiles (usec): | 1.00th=[ 1516], 5.00th=[ 1860], 10.00th=[ 2704], 20.00th=[ 4490], | 30.00th=[ 6980], 40.00th=[ 11994], 50.00th=[ 19006], 60.00th=[ 29230], | 70.00th=[ 38536], 80.00th=[ 51643], 90.00th=[ 69731], 95.00th=[ 86508], | 99.00th=[131597], 99.50th=[166724], 99.90th=[295699], 99.95th=[295699], | 99.99th=[295699] bw ( KiB/s): min= 31, max= 509, per=25.76%, avg=248.08, stdev=117.33, samples=51 iops : min= 1, max= 31, avg=14.80, stdev= 7.44, samples=51 lat (usec) : 50=0.39%, 100=7.16%, 250=1.17%, 500=0.13%, 750=0.13% lat (msec) : 2=3.65%, 4=6.38%, 10=10.03%, 20=10.94%, 50=34.51% lat (msec) : 100=22.01%, 250=3.39%, 500=0.13% cpu : usr=0.08%, sys=6.09%, ctx=1516, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145255: Thu Aug 27 14:14:08 2026 read: IOPS=15, BW=244KiB/s (250kB/s)(6256KiB/25650msec) clat (usec): min=36, max=227557, avg=36248.25, stdev=32702.71 lat (usec): min=36, max=227558, avg=36249.88, stdev=32702.81 clat percentiles (usec): | 1.00th=[ 39], 5.00th=[ 56], 10.00th=[ 61], 20.00th=[ 84], | 30.00th=[ 19530], 40.00th=[ 26346], 50.00th=[ 31327], 60.00th=[ 39060], | 70.00th=[ 47973], 80.00th=[ 57934], 90.00th=[ 79168], 95.00th=[ 96994], | 99.00th=[141558], 99.50th=[170918], 99.90th=[227541], 99.95th=[227541], | 99.99th=[227541] bw ( KiB/s): min= 93, max= 510, per=26.80%, avg=245.48, stdev=102.42, samples=50 iops : min= 5, max= 31, avg=14.64, stdev= 6.44, samples=50 write: IOPS=14, BW=235KiB/s (241kB/s)(6032KiB/25650msec); 0 zone resets clat (usec): min=1323, max=240378, avg=29759.33, stdev=30355.72 lat (usec): min=1325, max=240380, avg=29762.72, stdev=30354.90 clat percentiles (usec): | 1.00th=[ 1516], 5.00th=[ 1778], 10.00th=[ 2573], 20.00th=[ 4752], | 30.00th=[ 7046], 40.00th=[ 10814], 50.00th=[ 20317], 60.00th=[ 29492], | 70.00th=[ 39060], 80.00th=[ 51643], 90.00th=[ 71828], 95.00th=[ 86508], | 99.00th=[120062], 99.50th=[143655], 99.90th=[240124], 99.95th=[240124], | 99.99th=[240124] bw ( KiB/s): min= 95, max= 618, per=24.33%, avg=234.26, stdev=108.48, samples=50 iops : min= 5, max= 38, avg=13.92, stdev= 6.86, samples=50 lat (usec) : 50=1.56%, 100=9.38%, 250=1.43%, 500=0.26% lat (msec) : 2=3.52%, 4=4.56%, 10=11.20%, 20=7.68%, 50=35.42% lat (msec) : 100=21.61%, 250=3.39% cpu : usr=0.07%, sys=6.06%, ctx=1402, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145256: Thu Aug 27 14:14:08 2026 read: IOPS=14, BW=232KiB/s (238kB/s)(6032KiB/25975msec) clat (usec): min=33, max=460175, avg=35623.83, stdev=37859.26 lat (usec): min=33, max=460176, avg=35625.13, stdev=37859.23 clat percentiles (usec): | 1.00th=[ 38], 5.00th=[ 52], 10.00th=[ 60], 20.00th=[ 84], | 30.00th=[ 17171], 40.00th=[ 26084], 50.00th=[ 32113], 60.00th=[ 37487], | 70.00th=[ 47449], 80.00th=[ 57934], 90.00th=[ 72877], 95.00th=[ 88605], | 99.00th=[137364], 99.50th=[214959], 99.90th=[459277], 99.95th=[459277], | 99.99th=[459277] bw ( KiB/s): min= 62, max= 478, per=26.48%, avg=242.55, stdev=95.45, samples=49 iops : min= 3, max= 29, avg=14.45, stdev= 6.07, samples=49 write: IOPS=15, BW=241KiB/s (247kB/s)(6256KiB/25975msec); 0 zone resets clat (usec): min=1392, max=321229, avg=31413.66, stdev=37895.05 lat (usec): min=1395, max=321233, avg=31415.93, stdev=37895.12 clat percentiles (usec): | 1.00th=[ 1532], 5.00th=[ 1795], 10.00th=[ 2409], 20.00th=[ 4146], | 30.00th=[ 6718], 40.00th=[ 10028], 50.00th=[ 17957], 60.00th=[ 29754], | 70.00th=[ 39060], 80.00th=[ 51643], 90.00th=[ 74974], 95.00th=[ 93848], | 99.00th=[187696], 99.50th=[261096], 99.90th=[320865], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 23, max= 542, per=25.17%, avg=242.35, stdev=107.23, samples=51 iops : min= 1, max= 33, avg=14.43, stdev= 6.77, samples=51 lat (usec) : 50=2.21%, 100=8.85%, 250=1.04%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=3.91%, 4=6.77%, 10=10.29%, 20=8.72%, 50=33.59% lat (msec) : 100=20.44%, 250=3.26%, 500=0.39% cpu : usr=0.06%, sys=5.91%, ctx=1431, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=916KiB/s (938kB/s), 220KiB/s-244KiB/s (225kB/s-250kB/s), io=23.4MiB (24.5MB), run=25238-26146msec WRITE: bw=964KiB/s (987kB/s), 235KiB/s-252KiB/s (241kB/s-258kB/s), io=24.6MiB (25.8MB), run=25238-26146msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145257: Thu Aug 27 14:14:45 2026 read: IOPS=5, BW=94.8KiB/s (97.1kB/s)(5920KiB/62461msec) clat (msec): min=7, max=218, avg=34.25, stdev=30.91 lat (msec): min=7, max=218, avg=34.25, stdev=30.91 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 29], | 70.00th=[ 34], 80.00th=[ 44], 90.00th=[ 72], 95.00th=[ 108], | 99.00th=[ 148], 99.50th=[ 199], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 31, max= 348, per=27.37%, avg=103.74, stdev=65.95, samples=112 iops : min= 1, max= 21, avg= 5.75, stdev= 4.30, samples=112 write: IOPS=6, BW=102KiB/s (104kB/s)(6368KiB/62461msec); 0 zone resets clat (msec): min=41, max=465, avg=123.77, stdev=56.79 lat (msec): min=41, max=465, avg=123.77, stdev=56.79 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 59], 10.00th=[ 69], 20.00th=[ 81], | 30.00th=[ 90], 40.00th=[ 102], 50.00th=[ 113], 60.00th=[ 124], | 70.00th=[ 138], 80.00th=[ 155], 90.00th=[ 201], 95.00th=[ 245], | 99.00th=[ 321], 99.50th=[ 372], 99.90th=[ 464], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 31, max= 223, per=25.68%, avg=102.46, stdev=42.51, samples=122 iops : min= 1, max= 13, avg= 5.66, stdev= 2.78, samples=122 lat (msec) : 10=1.82%, 20=16.02%, 50=22.92%, 100=25.13%, 250=32.03% lat (msec) : 500=2.08% cpu : usr=0.03%, sys=1.19%, ctx=1201, 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=145258: Thu Aug 27 14:14:45 2026 read: IOPS=5, BW=90.0KiB/s (93.2kB/s)(5744KiB/63134msec) clat (msec): min=7, max=211, avg=32.28, stdev=30.39 lat (msec): min=7, max=211, avg=32.29, stdev=30.39 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 42], 90.00th=[ 77], 95.00th=[ 106], | 99.00th=[ 150], 99.50th=[ 161], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 21, max= 351, per=27.86%, avg=105.58, stdev=72.55, samples=106 iops : min= 1, max= 21, avg= 5.88, stdev= 4.61, samples=106 write: IOPS=6, BW=104KiB/s (106kB/s)(6544KiB/63134msec); 0 zone resets clat (msec): min=44, max=648, avg=125.13, stdev=63.50 lat (msec): min=44, max=648, avg=125.13, stdev=63.50 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 67], 20.00th=[ 79], | 30.00th=[ 88], 40.00th=[ 97], 50.00th=[ 109], 60.00th=[ 125], | 70.00th=[ 140], 80.00th=[ 159], 90.00th=[ 205], 95.00th=[ 253], | 99.00th=[ 305], 99.50th=[ 393], 99.90th=[ 651], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 31, max= 224, per=26.22%, avg=104.62, stdev=43.87, samples=122 iops : min= 1, max= 14, avg= 5.80, stdev= 2.92, samples=122 lat (msec) : 10=3.65%, 20=17.71%, 50=19.53%, 100=26.43%, 250=29.82% lat (msec) : 500=2.73%, 750=0.13% cpu : usr=0.04%, sys=1.34%, ctx=1307, 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=145259: Thu Aug 27 14:14:45 2026 read: IOPS=6, BW=103KiB/s (105kB/s)(6256KiB/60974msec) clat (msec): min=6, max=207, avg=31.74, stdev=29.56 lat (msec): min=6, max=207, avg=31.74, stdev=29.56 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 21], 60.00th=[ 26], | 70.00th=[ 32], 80.00th=[ 41], 90.00th=[ 67], 95.00th=[ 100], | 99.00th=[ 176], 99.50th=[ 180], 99.90th=[ 207], 99.95th=[ 207], | 99.99th=[ 207] bw ( KiB/s): min= 31, max= 447, per=29.99%, avg=113.68, stdev=78.03, samples=109 iops : min= 1, max= 27, avg= 6.36, stdev= 4.99, samples=109 write: IOPS=6, BW=98.9KiB/s (101kB/s)(6032KiB/60974msec); 0 zone resets clat (msec): min=37, max=530, avg=127.63, stdev=62.89 lat (msec): min=37, max=530, avg=127.63, stdev=62.89 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 58], 10.00th=[ 67], 20.00th=[ 84], | 30.00th=[ 94], 40.00th=[ 103], 50.00th=[ 115], 60.00th=[ 127], | 70.00th=[ 138], 80.00th=[ 165], 90.00th=[ 203], 95.00th=[ 249], | 99.00th=[ 384], 99.50th=[ 418], 99.90th=[ 531], 99.95th=[ 531], | 99.99th=[ 531] bw ( KiB/s): min= 22, max= 191, per=24.69%, avg=98.52, stdev=41.80, samples=120 iops : min= 1, max= 11, avg= 5.40, stdev= 2.73, samples=120 lat (msec) : 10=3.26%, 20=20.44%, 50=20.18%, 100=23.18%, 250=30.73% lat (msec) : 500=2.08%, 750=0.13% cpu : usr=0.04%, sys=1.28%, ctx=1328, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145260: Thu Aug 27 14:14:45 2026 read: IOPS=6, BW=97.2KiB/s (99.6kB/s)(6032KiB/62031msec) clat (msec): min=6, max=348, avg=33.74, stdev=33.07 lat (msec): min=6, max=348, avg=33.74, stdev=33.07 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 28], | 70.00th=[ 34], 80.00th=[ 44], 90.00th=[ 75], 95.00th=[ 94], | 99.00th=[ 150], 99.50th=[ 176], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 31, max= 287, per=27.16%, avg=102.94, stdev=67.08, samples=114 iops : min= 1, max= 17, avg= 5.68, stdev= 4.24, samples=114 write: IOPS=6, BW=101KiB/s (103kB/s)(6256KiB/62031msec); 0 zone resets clat (msec): min=47, max=350, avg=125.73, stdev=51.25 lat (msec): min=47, max=350, avg=125.76, stdev=51.26 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 66], 10.00th=[ 72], 20.00th=[ 84], | 30.00th=[ 93], 40.00th=[ 105], 50.00th=[ 115], 60.00th=[ 127], | 70.00th=[ 138], 80.00th=[ 165], 90.00th=[ 194], 95.00th=[ 220], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 31, max= 190, per=25.40%, avg=101.36, stdev=40.30, samples=121 iops : min= 1, max= 11, avg= 5.59, stdev= 2.68, samples=121 lat (msec) : 10=2.73%, 20=18.23%, 50=19.79%, 100=24.74%, 250=33.20% lat (msec) : 500=1.30% cpu : usr=0.06%, sys=1.30%, ctx=1324, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=379KiB/s (388kB/s), 90.0KiB/s-103KiB/s (93.2kB/s-105kB/s), io=23.4MiB (24.5MB), run=60974-63134msec WRITE: bw=399KiB/s (409kB/s), 98.9KiB/s-104KiB/s (101kB/s-106kB/s), io=24.6MiB (25.8MB), run=60974-63134msec 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=145281: Thu Aug 27 14:14:59 2026 read: IOPS=2, BW=2269KiB/s (2324kB/s)(7168KiB/3159msec) clat (msec): min=195, max=338, avg=241.96, stdev=50.53 lat (msec): min=195, max=338, avg=241.96, stdev=50.53 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 197], 10.00th=[ 197], 20.00th=[ 207], | 30.00th=[ 209], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 251], | 70.00th=[ 251], 80.00th=[ 275], 90.00th=[ 338], 95.00th=[ 338], | 99.00th=[ 338], 99.50th=[ 338], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 1921, max= 4007, per=56.10%, avg=2905.25, stdev=1077.15, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1621KiB/s (1660kB/s)(5120KiB/3159msec); 0 zone resets clat (msec): min=175, max=391, avg=291.91, stdev=81.62 lat (msec): min=175, max=392, avg=292.54, stdev=81.32 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 176], | 30.00th=[ 255], 40.00th=[ 255], 50.00th=[ 313], 60.00th=[ 313], | 70.00th=[ 326], 80.00th=[ 326], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 1921, max= 4096, per=34.82%, avg=2524.75, stdev=1049.03, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 lat (msec) : 250=41.67%, 500=58.33% cpu : usr=0.00%, sys=23.78%, ctx=440, 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=145282: Thu Aug 27 14:14:59 2026 read: IOPS=0, BW=518KiB/s (530kB/s)(2048KiB/3954msec) clat (msec): min=21, max=575, avg=298.69, stdev=391.92 lat (msec): min=21, max=575, avg=298.69, stdev=391.92 clat percentiles (msec): | 1.00th=[ 22], 5.00th=[ 22], 10.00th=[ 22], 20.00th=[ 22], | 30.00th=[ 22], 40.00th=[ 22], 50.00th=[ 22], 60.00th=[ 575], | 70.00th=[ 575], 80.00th=[ 575], 90.00th=[ 575], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 1921, max= 2039, per=38.23%, avg=1980.00, stdev=83.44, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2590KiB/s (2652kB/s)(10.0MiB/3954msec); 0 zone resets clat (msec): min=121, max=743, avg=335.38, stdev=194.73 lat (msec): min=121, max=743, avg=335.48, stdev=194.73 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 144], | 30.00th=[ 171], 40.00th=[ 194], 50.00th=[ 309], 60.00th=[ 313], | 70.00th=[ 422], 80.00th=[ 456], 90.00th=[ 481], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 2003, max= 6119, per=44.28%, avg=3211.00, stdev=1804.90, samples=5 iops : min= 1, max= 5, avg= 2.40, stdev= 1.67, samples=5 lat (msec) : 50=8.33%, 250=33.33%, 500=41.67%, 750=16.67% cpu : usr=0.00%, sys=17.61%, ctx=192, 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=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=145283: Thu Aug 27 14:14:59 2026 read: IOPS=1, BW=1697KiB/s (1738kB/s)(6144KiB/3620msec) clat (usec): min=556, max=423017, avg=151351.92, stdev=177436.63 lat (usec): min=557, max=423020, avg=151353.30, stdev=177437.03 clat percentiles (usec): | 1.00th=[ 553], 5.00th=[ 553], 10.00th=[ 553], 20.00th=[ 635], | 30.00th=[ 635], 40.00th=[ 2474], 50.00th=[ 2474], 60.00th=[235930], | 70.00th=[244319], 80.00th=[244319], 90.00th=[421528], 95.00th=[421528], | 99.00th=[421528], 99.50th=[421528], 99.90th=[421528], 99.95th=[421528], | 99.99th=[421528] bw ( KiB/s): min= 2043, max= 4079, per=65.19%, avg=3376.33, stdev=1155.26, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1697KiB/s (1738kB/s)(6144KiB/3620msec); 0 zone resets clat (msec): min=128, max=809, avg=451.42, stdev=235.55 lat (msec): min=128, max=809, avg=451.49, stdev=235.50 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 129], 10.00th=[ 129], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 439], 50.00th=[ 439], 60.00th=[ 456], | 70.00th=[ 592], 80.00th=[ 592], 90.00th=[ 810], 95.00th=[ 810], | 99.00th=[ 810], 99.50th=[ 810], 99.90th=[ 810], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 2003, max= 3500, per=33.08%, avg=2398.50, stdev=734.61, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (usec) : 750=16.67% lat (msec) : 4=8.33%, 250=25.00%, 500=33.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=13.26%, ctx=144, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=145284: Thu Aug 27 14:14:59 2026 read: IOPS=1, BW=1410KiB/s (1444kB/s)(5120KiB/3630msec) clat (msec): min=3, max=316, avg=115.81, stdev=151.61 lat (msec): min=3, max=316, avg=115.81, stdev=151.61 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4], | 30.00th=[ 8], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 9], | 70.00th=[ 243], 80.00th=[ 243], 90.00th=[ 317], 95.00th=[ 317], | 99.00th=[ 317], 99.50th=[ 317], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1975KiB/s (2022kB/s)(7168KiB/3630msec); 0 zone resets clat (msec): min=227, max=658, avg=435.34, stdev=164.12 lat (msec): min=227, max=658, avg=435.46, stdev=164.11 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 292], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 384], 60.00th=[ 523], | 70.00th=[ 523], 80.00th=[ 609], 90.00th=[ 659], 95.00th=[ 659], | 99.00th=[ 659], 99.50th=[ 659], 99.90th=[ 659], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 1875, max= 2048, per=27.44%, avg=1989.67, stdev=74.42, samples=6 iops : min= 1, max= 2, avg= 1.33, stdev= 0.52, samples=6 lat (msec) : 4=8.33%, 10=16.67%, 250=16.67%, 500=33.33%, 750=25.00% cpu : usr=0.00%, sys=15.62%, ctx=213, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5180KiB/s (5304kB/s), 518KiB/s-2269KiB/s (530kB/s-2324kB/s), io=20.0MiB (20.0MB), run=3159-3954msec WRITE: bw=7251KiB/s (7425kB/s), 1621KiB/s-2590KiB/s (1660kB/s-2652kB/s), io=28.0MiB (29.4MB), run=3159-3954msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145276: Thu Aug 27 14:14:59 2026 read: IOPS=2, BW=2412KiB/s (2470kB/s)(7168KiB/2972msec) clat (msec): min=71, max=622, avg=200.45, stdev=192.62 lat (msec): min=71, max=622, avg=200.45, stdev=192.62 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 71], 10.00th=[ 71], 20.00th=[ 87], | 30.00th=[ 105], 40.00th=[ 105], 50.00th=[ 128], 60.00th=[ 186], | 70.00th=[ 186], 80.00th=[ 207], 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= 2048, max= 4213, per=74.31%, avg=3399.67, stdev=1178.63, samples=3 iops : min= 2, max= 4, avg= 3.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1723KiB/s (1764kB/s)(5120KiB/2972msec); 0 zone resets clat (msec): min=143, max=476, avg=304.80, stdev=126.00 lat (msec): min=143, max=476, avg=304.99, stdev=126.03 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 144], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 296], 60.00th=[ 296], | 70.00th=[ 368], 80.00th=[ 368], 90.00th=[ 477], 95.00th=[ 477], | 99.00th=[ 477], 99.50th=[ 477], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 1404, max= 4096, per=37.28%, avg=2387.75, stdev=1176.06, samples=4 iops : min= 1, max= 4, avg= 2.00, stdev= 1.41, samples=4 lat (msec) : 100=16.67%, 250=50.00%, 500=25.00%, 750=8.33% cpu : usr=0.00%, sys=7.34%, ctx=125, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145277: Thu Aug 27 14:14:59 2026 read: IOPS=0, BW=458KiB/s (469kB/s)(2048KiB/4476msec) clat (msec): min=60, max=759, avg=409.73, stdev=494.14 lat (msec): min=60, max=759, avg=409.73, stdev=494.14 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 61], 10.00th=[ 61], 20.00th=[ 61], | 30.00th=[ 61], 40.00th=[ 61], 50.00th=[ 61], 60.00th=[ 760], | 70.00th=[ 760], 80.00th=[ 760], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 1467, max= 2039, per=38.32%, avg=1753.00, stdev=404.47, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2288KiB/s (2343kB/s)(10.0MiB/4476msec); 0 zone resets clat (msec): min=125, max=600, avg=355.41, stdev=174.39 lat (msec): min=125, max=600, avg=355.55, stdev=174.41 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 126], 20.00th=[ 127], | 30.00th=[ 205], 40.00th=[ 275], 50.00th=[ 326], 60.00th=[ 376], | 70.00th=[ 443], 80.00th=[ 518], 90.00th=[ 567], 95.00th=[ 600], | 99.00th=[ 600], 99.50th=[ 600], 99.90th=[ 600], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 1969, max= 2934, per=33.61%, avg=2153.00, stdev=345.53, samples=7 iops : min= 1, max= 2, avg= 1.29, stdev= 0.49, samples=7 lat (msec) : 100=8.33%, 250=25.00%, 500=33.33%, 750=25.00%, 1000=8.33% cpu : usr=0.04%, sys=7.11%, ctx=223, 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=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=145278: Thu Aug 27 14:14:59 2026 read: IOPS=1, BW=1435KiB/s (1469kB/s)(6144KiB/4283msec) clat (msec): min=107, max=638, avg=287.63, stdev=230.34 lat (msec): min=107, max=638, avg=287.63, stdev=230.34 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 108], 10.00th=[ 108], 20.00th=[ 110], | 30.00th=[ 110], 40.00th=[ 124], 50.00th=[ 124], 60.00th=[ 239], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 642], 95.00th=[ 642], | 99.00th=[ 642], 99.50th=[ 642], 99.90th=[ 642], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 2035, max= 4007, per=55.35%, avg=2532.25, stdev=983.18, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 write: IOPS=1, BW=1435KiB/s (1469kB/s)(6144KiB/4283msec); 0 zone resets clat (msec): min=146, max=612, avg=404.37, stdev=208.48 lat (msec): min=146, max=612, avg=404.64, stdev=208.39 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 171], | 30.00th=[ 171], 40.00th=[ 368], 50.00th=[ 368], 60.00th=[ 542], | 70.00th=[ 584], 80.00th=[ 584], 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= 1969, max= 2896, per=34.32%, avg=2198.20, stdev=391.39, samples=5 iops : min= 1, max= 2, avg= 1.40, stdev= 0.55, samples=5 lat (msec) : 250=50.00%, 500=8.33%, 750=41.67% cpu : usr=0.02%, sys=4.83%, ctx=148, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145279: Thu Aug 27 14:14:59 2026 read: IOPS=1, BW=1310KiB/s (1341kB/s)(5120KiB/3909msec) clat (msec): min=133, max=629, avg=279.02, stdev=203.08 lat (msec): min=133, max=629, avg=279.02, stdev=203.08 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 134], 10.00th=[ 134], 20.00th=[ 134], | 30.00th=[ 171], 40.00th=[ 171], 50.00th=[ 180], 60.00th=[ 180], | 70.00th=[ 279], 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= 2048, max= 4007, per=59.04%, avg=2701.00, stdev=1131.03, samples=3 iops : min= 2, max= 3, avg= 2.33, stdev= 0.58, samples=3 write: IOPS=1, BW=1834KiB/s (1878kB/s)(7168KiB/3909msec); 0 zone resets clat (msec): min=141, max=873, avg=345.34, stdev=250.49 lat (msec): min=142, max=874, avg=345.65, stdev=250.69 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 142], 10.00th=[ 142], 20.00th=[ 157], | 30.00th=[ 209], 40.00th=[ 209], 50.00th=[ 313], 60.00th=[ 359], | 70.00th=[ 359], 80.00th=[ 363], 90.00th=[ 877], 95.00th=[ 877], | 99.00th=[ 877], 99.50th=[ 877], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 877] bw ( KiB/s): min= 2048, max= 4087, per=50.45%, avg=3231.25, stdev=961.89, samples=4 iops : min= 2, max= 3, avg= 2.50, stdev= 0.58, samples=4 lat (msec) : 250=50.00%, 500=33.33%, 750=8.33%, 1000=8.33% cpu : usr=0.03%, sys=5.66%, ctx=99, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4576KiB/s (4685kB/s), 458KiB/s-2412KiB/s (469kB/s-2470kB/s), io=20.0MiB (20.0MB), run=2972-4476msec WRITE: bw=6406KiB/s (6559kB/s), 1435KiB/s-2288KiB/s (1469kB/s-2343kB/s), io=28.0MiB (29.4MB), run=2972-4476msec 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=145290: Thu Aug 27 14:15:12 2026 read: IOPS=0, BW=3951KiB/s (4046kB/s)(12.0MiB/3110msec) clat (msec): min=649, max=1469, avg=964.78, stdev=441.85 lat (msec): min=649, max=1469, avg=964.78, stdev=441.85 clat percentiles (msec): | 1.00th=[ 651], 5.00th=[ 651], 10.00th=[ 651], 20.00th=[ 651], | 30.00th=[ 651], 40.00th=[ 776], 50.00th=[ 776], 60.00th=[ 776], | 70.00th=[ 1469], 80.00th=[ 1469], 90.00th=[ 1469], 95.00th=[ 1469], | 99.00th=[ 1469], 99.50th=[ 1469], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 7713, max= 8159, per=100.00%, avg=7936.00, stdev=315.37, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=3.57%, ctx=67, 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=145292: Thu Aug 27 14:15:12 2026 read: IOPS=0, BW=1165KiB/s (1193kB/s)(4096KiB/3515msec) clat (nsec): min=1205.5M, max=1205.5M, avg=1205512852.00, stdev= 0.00 lat (nsec): min=1205.5M, max=1205.5M, avg=1205516124.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1200], 5.00th=[ 1200], 10.00th=[ 1200], 20.00th=[ 1200], | 30.00th=[ 1200], 40.00th=[ 1200], 50.00th=[ 1200], 60.00th=[ 1200], | 70.00th=[ 1200], 80.00th=[ 1200], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7699, max= 7699, per=100.00%, avg=7699.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2331KiB/s (2387kB/s)(8192KiB/3515msec); 0 zone resets clat (msec): min=773, max=1351, avg=1062.54, stdev=408.85 lat (msec): min=774, max=1352, avg=1063.15, stdev=408.90 clat percentiles (msec): | 1.00th=[ 776], 5.00th=[ 776], 10.00th=[ 776], 20.00th=[ 776], | 30.00th=[ 776], 40.00th=[ 776], 50.00th=[ 776], 60.00th=[ 1351], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 8159, max= 8159, per=87.52%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.02%, ctx=45, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145293: Thu Aug 27 14:15:12 2026 write: IOPS=1, BW=7907KiB/s (8097kB/s)(12.0MiB/1554msec); 0 zone resets clat (msec): min=257, max=826, avg=468.72, stdev=311.17 lat (msec): min=257, max=826, avg=469.19, stdev=311.08 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 321], 50.00th=[ 321], 60.00th=[ 321], | 70.00th=[ 827], 80.00th=[ 827], 90.00th=[ 827], 95.00th=[ 827], | 99.00th=[ 827], 99.50th=[ 827], 99.90th=[ 827], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min=10951, max=10951, per=100.00%, avg=10951.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.06%, sys=8.37%, ctx=82, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145294: Thu Aug 27 14:15:12 2026 write: IOPS=1, BW=5290KiB/s (5417kB/s)(12.0MiB/2323msec); 0 zone resets clat (msec): min=306, max=1243, avg=715.52, stdev=479.44 lat (msec): min=307, max=1243, avg=715.99, stdev=479.22 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 600], 50.00th=[ 600], 60.00th=[ 600], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 7699, max= 8094, per=84.71%, avg=7896.50, stdev=279.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=7.36%, 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=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=4661KiB/s (4773kB/s), 1165KiB/s-3951KiB/s (1193kB/s-4046kB/s), io=16.0MiB (16.8MB), run=3110-3515msec WRITE: bw=9322KiB/s (9546kB/s), 2331KiB/s-7907KiB/s (2387kB/s-8097kB/s), io=32.0MiB (33.6MB), run=1554-3515msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145295: Thu Aug 27 14:15:13 2026 read: IOPS=1, BW=4534KiB/s (4643kB/s)(12.0MiB/2710msec) clat (msec): min=782, max=1007, avg=889.04, stdev=112.86 lat (msec): min=782, max=1007, avg=889.05, stdev=112.86 clat percentiles (msec): | 1.00th=[ 785], 5.00th=[ 785], 10.00th=[ 785], 20.00th=[ 785], | 30.00th=[ 785], 40.00th=[ 877], 50.00th=[ 877], 60.00th=[ 877], | 70.00th=[ 1011], 80.00th=[ 1011], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 8126, max= 8175, per=100.00%, avg=8150.50, stdev=34.65, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.00%, sys=16.35%, ctx=320, 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=145296: Thu Aug 27 14:15:13 2026 read: IOPS=0, BW=1541KiB/s (1578kB/s)(4096KiB/2658msec) clat (nsec): min=837314k, max=837314k, avg=837314208.00, stdev= 0.00 lat (nsec): min=837317k, max=837317k, avg=837316778.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 835], 5.00th=[ 835], 10.00th=[ 835], 20.00th=[ 835], | 30.00th=[ 835], 40.00th=[ 835], 50.00th=[ 835], 60.00th=[ 835], | 70.00th=[ 835], 80.00th=[ 835], 90.00th=[ 835], 95.00th=[ 835], | 99.00th=[ 835], 99.50th=[ 835], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 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=3082KiB/s (3156kB/s)(8192KiB/2658msec); 0 zone resets clat (msec): min=642, max=1093, avg=868.24, stdev=318.80 lat (msec): min=643, max=1095, avg=869.50, stdev=320.27 clat percentiles (msec): | 1.00th=[ 642], 5.00th=[ 642], 10.00th=[ 642], 20.00th=[ 642], | 30.00th=[ 642], 40.00th=[ 642], 50.00th=[ 642], 60.00th=[ 1099], | 70.00th=[ 1099], 80.00th=[ 1099], 90.00th=[ 1099], 95.00th=[ 1099], | 99.00th=[ 1099], 99.50th=[ 1099], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 8159, max= 8159, per=80.97%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=7.68%, ctx=135, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145297: Thu Aug 27 14:15:13 2026 write: IOPS=0, BW=3779KiB/s (3869kB/s)(12.0MiB/3252msec); 0 zone resets clat (msec): min=333, max=1611, avg=1045.64, stdev=651.67 lat (msec): min=333, max=1612, avg=1046.36, stdev=652.04 clat percentiles (msec): | 1.00th=[ 334], 5.00th=[ 334], 10.00th=[ 334], 20.00th=[ 334], | 30.00th=[ 334], 40.00th=[ 1200], 50.00th=[ 1200], 60.00th=[ 1200], | 70.00th=[ 1620], 80.00th=[ 1620], 90.00th=[ 1620], 95.00th=[ 1620], | 99.00th=[ 1620], 99.50th=[ 1620], 99.90th=[ 1620], 99.95th=[ 1620], | 99.99th=[ 1620] bw ( KiB/s): min= 8126, max= 8175, per=80.89%, avg=8150.50, stdev=34.65, 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=4.61%, ctx=43, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145298: Thu Aug 27 14:15:13 2026 write: IOPS=1, BW=4571KiB/s (4681kB/s)(12.0MiB/2688msec); 0 zone resets clat (msec): min=366, max=1417, avg=880.78, stdev=526.22 lat (msec): min=366, max=1418, avg=881.43, stdev=526.25 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 368], 10.00th=[ 368], 20.00th=[ 368], | 30.00th=[ 368], 40.00th=[ 860], 50.00th=[ 860], 60.00th=[ 860], | 70.00th=[ 1418], 80.00th=[ 1418], 90.00th=[ 1418], 95.00th=[ 1418], | 99.00th=[ 1418], 99.50th=[ 1418], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 8126, max= 8159, per=80.81%, avg=8142.50, stdev=23.33, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.11%, sys=4.58%, ctx=51, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6046KiB/s (6191kB/s), 1541KiB/s-4534KiB/s (1578kB/s-4643kB/s), io=16.0MiB (16.8MB), run=2658-2710msec WRITE: bw=9.84MiB/s (10.3MB/s), 3082KiB/s-4571KiB/s (3156kB/s-4681kB/s), io=32.0MiB (33.6MB), run=2658-3252msec