== sanity test 398b: DIO and buffer IO race ============== 20:44:58 (1789433098) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.24947 s, 8.1 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=144300: Mon Sep 14 20:47:15 2026 read: IOPS=12, BW=51.7KiB/s (52.9kB/s)(5992KiB/115960msec) clat (usec): min=20, max=983209, avg=38819.05, stdev=37457.72 lat (usec): min=20, max=983211, avg=38827.06, stdev=37461.52 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 62], 10.00th=[ 11338], 20.00th=[ 18220], | 30.00th=[ 22414], 40.00th=[ 26870], 50.00th=[ 32637], 60.00th=[ 39060], | 70.00th=[ 46400], 80.00th=[ 55837], 90.00th=[ 71828], 95.00th=[ 86508], | 99.00th=[135267], 99.50th=[154141], 99.90th=[316670], 99.95th=[985662], | 99.99th=[985662] bw ( KiB/s): min= 7, max= 127, per=25.58%, avg=51.92, stdev=21.47, samples=226 iops : min= 1, max= 31, avg=12.34, stdev= 5.39, samples=226 write: IOPS=13, BW=54.3KiB/s (55.6kB/s)(6296KiB/115960msec); 0 zone resets clat (usec): min=765, max=448592, avg=36473.98, stdev=36903.15 lat (usec): min=766, max=448593, avg=36480.35, stdev=36902.23 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1172], 10.00th=[ 1450], 20.00th=[ 3523], | 30.00th=[ 7504], 40.00th=[ 18220], 50.00th=[ 28705], 60.00th=[ 38011], | 70.00th=[ 47973], 80.00th=[ 64226], 90.00th=[ 84411], 95.00th=[104334], | 99.00th=[147850], 99.50th=[170918], 99.90th=[278922], 99.95th=[446694], | 99.99th=[446694] bw ( KiB/s): min= 7, max= 119, per=25.63%, avg=54.33, stdev=20.14, samples=227 iops : min= 1, max= 29, avg=12.95, stdev= 5.09, samples=227 lat (usec) : 50=0.42%, 100=3.09%, 250=0.20%, 500=0.10%, 750=0.03% lat (usec) : 1000=0.13% lat (msec) : 2=6.84%, 4=4.13%, 10=6.58%, 20=11.56%, 50=40.01% lat (msec) : 100=22.27%, 250=4.49%, 500=0.13%, 1000=0.03% cpu : usr=0.07%, sys=4.70%, ctx=6370, 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=144301: Mon Sep 14 20:47:15 2026 read: IOPS=12, BW=50.7KiB/s (51.0kB/s)(5940KiB/117068msec) clat (usec): min=30, max=900970, avg=38477.77, stdev=36552.25 lat (usec): min=30, max=900972, avg=38479.33, stdev=36552.31 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 66], 10.00th=[ 12387], 20.00th=[ 17957], | 30.00th=[ 22938], 40.00th=[ 27919], 50.00th=[ 32637], 60.00th=[ 38536], | 70.00th=[ 45351], 80.00th=[ 54264], 90.00th=[ 69731], 95.00th=[ 85459], | 99.00th=[131597], 99.50th=[166724], 99.90th=[379585], 99.95th=[901776], | 99.99th=[901776] bw ( KiB/s): min= 7, max= 120, per=25.08%, avg=50.91, stdev=21.93, samples=228 iops : min= 1, max= 30, avg=12.09, stdev= 5.52, samples=228 write: IOPS=13, BW=54.2KiB/s (55.5kB/s)(6348KiB/117068msec); 0 zone resets clat (usec): min=844, max=280532, avg=37493.68, stdev=37707.07 lat (usec): min=846, max=280534, avg=37499.03, stdev=37708.76 clat percentiles (usec): | 1.00th=[ 1045], 5.00th=[ 1205], 10.00th=[ 1500], 20.00th=[ 3589], | 30.00th=[ 8455], 40.00th=[ 17957], 50.00th=[ 27919], 60.00th=[ 38011], | 70.00th=[ 49546], 80.00th=[ 64226], 90.00th=[ 88605], 95.00th=[111674], | 99.00th=[164627], 99.50th=[185598], 99.90th=[227541], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 15, max= 118, per=25.73%, avg=54.56, stdev=21.45, samples=227 iops : min= 3, max= 29, avg=13.00, stdev= 5.38, samples=227 lat (usec) : 50=0.36%, 100=2.60%, 250=0.26%, 500=0.13%, 750=0.03% lat (usec) : 1000=0.26% lat (msec) : 2=6.61%, 4=3.87%, 10=6.09%, 20=12.99%, 50=39.65% lat (msec) : 100=22.36%, 250=4.62%, 500=0.13%, 1000=0.03% cpu : usr=0.08%, sys=4.80%, ctx=6381, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144302: Mon Sep 14 20:47:15 2026 read: IOPS=12, BW=51.7KiB/s (52.9kB/s)(6028KiB/116681msec) clat (usec): min=30, max=995190, avg=38303.95, stdev=37027.06 lat (usec): min=30, max=995191, avg=38305.95, stdev=37027.62 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 60], 10.00th=[ 8455], 20.00th=[ 17433], | 30.00th=[ 22938], 40.00th=[ 26870], 50.00th=[ 31851], 60.00th=[ 38011], | 70.00th=[ 45351], 80.00th=[ 56361], 90.00th=[ 74974], 95.00th=[ 91751], | 99.00th=[124257], 99.50th=[141558], 99.90th=[291505], 99.95th=[994051], | 99.99th=[994051] bw ( KiB/s): min= 7, max= 142, per=25.41%, avg=51.58, stdev=21.02, samples=228 iops : min= 1, max= 35, avg=12.25, stdev= 5.30, samples=228 write: IOPS=13, BW=53.7KiB/s (54.9kB/s)(6260KiB/116681msec); 0 zone resets clat (usec): min=825, max=253001, avg=37489.60, stdev=38065.29 lat (usec): min=826, max=253003, avg=37495.57, stdev=38062.14 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1172], 10.00th=[ 1369], 20.00th=[ 3326], | 30.00th=[ 7767], 40.00th=[ 18220], 50.00th=[ 29492], 60.00th=[ 39060], | 70.00th=[ 50594], 80.00th=[ 63701], 90.00th=[ 85459], 95.00th=[109577], | 99.00th=[173016], 99.50th=[183501], 99.90th=[250610], 99.95th=[252707], | 99.99th=[252707] bw ( KiB/s): min= 7, max= 119, per=25.09%, avg=53.20, stdev=21.66, samples=229 iops : min= 1, max= 29, avg=12.67, stdev= 5.45, samples=229 lat (usec) : 50=0.49%, 100=3.84%, 250=0.03%, 500=0.10%, 1000=0.23% lat (msec) : 2=7.16%, 4=4.10%, 10=6.15%, 20=11.46%, 50=38.61% lat (msec) : 100=23.01%, 250=4.72%, 500=0.07%, 1000=0.03% cpu : usr=0.07%, sys=4.66%, ctx=6407, 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=144303: Mon Sep 14 20:47:15 2026 read: IOPS=12, BW=51.2KiB/s (52.5kB/s)(6052KiB/118136msec) clat (usec): min=34, max=282310, avg=38246.94, stdev=27027.91 lat (usec): min=34, max=282311, avg=38249.34, stdev=27028.47 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 64], 10.00th=[ 11207], 20.00th=[ 19006], | 30.00th=[ 23462], 40.00th=[ 27395], 50.00th=[ 32900], 60.00th=[ 39060], | 70.00th=[ 46400], 80.00th=[ 56361], 90.00th=[ 70779], 95.00th=[ 88605], | 99.00th=[125305], 99.50th=[149947], 99.90th=[238027], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 7, max= 119, per=25.19%, avg=51.14, stdev=21.13, samples=230 iops : min= 1, max= 29, avg=12.15, stdev= 5.35, samples=230 write: IOPS=13, BW=52.8KiB/s (54.1kB/s)(6236KiB/118136msec); 0 zone resets clat (usec): min=727, max=1032.9k, avg=38446.35, stdev=45851.31 lat (usec): min=728, max=1032.9k, avg=38449.69, stdev=45850.24 clat percentiles (usec): | 1.00th=[ 1074], 5.00th=[ 1188], 10.00th=[ 1549], | 20.00th=[ 3654], 30.00th=[ 8586], 40.00th=[ 17957], | 50.00th=[ 27395], 60.00th=[ 38536], 70.00th=[ 51119], | 80.00th=[ 66847], 90.00th=[ 89654], 95.00th=[ 110625], | 99.00th=[ 170918], 99.50th=[ 191890], 99.90th=[ 299893], | 99.95th=[1035994], 99.99th=[1035994] bw ( KiB/s): min= 7, max= 126, per=24.77%, avg=52.52, stdev=21.56, samples=231 iops : min= 1, max= 31, avg=12.48, stdev= 5.43, samples=231 lat (usec) : 50=0.39%, 100=2.80%, 250=0.33%, 500=0.13%, 750=0.10% lat (usec) : 1000=0.26% lat (msec) : 2=6.61%, 4=3.87%, 10=6.32%, 20=11.88%, 50=38.93% lat (msec) : 100=23.44%, 250=4.82%, 500=0.10%, 2000=0.03% cpu : usr=0.08%, sys=4.85%, ctx=6483, 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=203KiB/s (208kB/s), 50.7KiB/s-51.7KiB/s (51.0kB/s-52.9kB/s), io=23.4MiB (24.6MB), run=115960-118136msec WRITE: bw=213KiB/s (218kB/s), 52.8KiB/s-54.3KiB/s (54.1kB/s-55.6kB/s), io=24.6MiB (25.7MB), run=115960-118136msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144295: Mon Sep 14 20:49:28 2026 read: IOPS=5, BW=23.9KiB/s (24.5kB/s)(5992KiB/250702msec) clat (msec): min=5, max=1032, avg=33.21, stdev=41.29 lat (msec): min=5, max=1032, avg=33.21, stdev=41.29 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 32], 80.00th=[ 46], 90.00th=[ 72], 95.00th=[ 95], | 99.00th=[ 163], 99.50th=[ 222], 99.90th=[ 321], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7, max= 96, per=27.45%, avg=26.08, stdev=17.79, samples=445 iops : min= 1, max= 24, avg= 5.90, stdev= 4.48, samples=445 write: IOPS=6, BW=25.1KiB/s (25.7kB/s)(6296KiB/250702msec); 0 zone resets clat (msec): min=40, max=467, avg=127.42, stdev=55.14 lat (msec): min=40, max=467, avg=127.42, stdev=55.14 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 62], 10.00th=[ 70], 20.00th=[ 83], | 30.00th=[ 92], 40.00th=[ 104], 50.00th=[ 116], 60.00th=[ 129], | 70.00th=[ 146], 80.00th=[ 167], 90.00th=[ 201], 95.00th=[ 236], | 99.00th=[ 292], 99.50th=[ 326], 99.90th=[ 456], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 7, max= 48, per=24.62%, avg=24.62, stdev=10.21, samples=494 iops : min= 1, max= 12, avg= 5.53, stdev= 2.61, samples=494 lat (msec) : 10=4.30%, 20=18.29%, 50=18.42%, 100=24.45%, 250=32.45% lat (msec) : 500=2.05%, 2000=0.03% cpu : usr=0.04%, sys=1.09%, ctx=5065, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144296: Mon Sep 14 20:49:28 2026 read: IOPS=5, BW=23.7KiB/s (24.3kB/s)(5940KiB/250710msec) clat (msec): min=5, max=974, avg=32.13, stdev=39.73 lat (msec): min=5, max=974, avg=32.13, stdev=39.73 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=[ 26], | 70.00th=[ 31], 80.00th=[ 41], 90.00th=[ 68], 95.00th=[ 95], | 99.00th=[ 176], 99.50th=[ 207], 99.90th=[ 296], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 7, max= 104, per=27.64%, avg=26.26, stdev=17.66, samples=438 iops : min= 1, max= 26, avg= 5.95, stdev= 4.48, samples=438 write: IOPS=6, BW=25.3KiB/s (25.9kB/s)(6348KiB/250710msec); 0 zone resets clat (msec): min=37, max=667, avg=127.64, stdev=55.14 lat (msec): min=37, max=667, avg=127.65, stdev=55.14 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 62], 10.00th=[ 70], 20.00th=[ 83], | 30.00th=[ 94], 40.00th=[ 106], 50.00th=[ 117], 60.00th=[ 130], | 70.00th=[ 146], 80.00th=[ 167], 90.00th=[ 201], 95.00th=[ 228], | 99.00th=[ 300], 99.50th=[ 351], 99.90th=[ 414], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 7, max= 55, per=24.87%, avg=24.87, stdev=10.44, samples=493 iops : min= 1, max= 13, avg= 5.59, stdev= 2.66, samples=493 lat (msec) : 10=4.49%, 20=18.00%, 50=18.88%, 100=23.34%, 250=33.50% lat (msec) : 500=1.73%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.08%, ctx=5086, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144297: Mon Sep 14 20:49:28 2026 read: IOPS=6, BW=24.1KiB/s (24.6kB/s)(6028KiB/250521msec) clat (msec): min=4, max=286, avg=33.10, stdev=31.98 lat (msec): min=5, max=286, avg=33.11, stdev=31.98 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=[ 26], | 70.00th=[ 33], 80.00th=[ 46], 90.00th=[ 75], 95.00th=[ 102], | 99.00th=[ 153], 99.50th=[ 188], 99.90th=[ 266], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 7, max= 105, per=27.00%, avg=25.65, stdev=16.73, samples=454 iops : min= 1, max= 26, avg= 5.79, stdev= 4.23, samples=454 write: IOPS=6, BW=24.0KiB/s (25.6kB/s)(6260KiB/250521msec); 0 zone resets clat (msec): min=42, max=1113, avg=127.96, stdev=60.56 lat (msec): min=42, max=1113, avg=127.96, stdev=60.56 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 68], 20.00th=[ 81], | 30.00th=[ 93], 40.00th=[ 106], 50.00th=[ 118], 60.00th=[ 132], | 70.00th=[ 146], 80.00th=[ 169], 90.00th=[ 203], 95.00th=[ 230], | 99.00th=[ 300], 99.50th=[ 317], 99.90th=[ 659], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 7, max= 56, per=24.57%, avg=24.57, stdev=10.75, samples=491 iops : min= 1, max= 14, avg= 5.52, stdev= 2.74, samples=491 lat (msec) : 10=4.62%, 20=18.07%, 50=18.29%, 100=24.25%, 250=33.11% lat (msec) : 500=1.60%, 750=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.10%, ctx=4998, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144298: Mon Sep 14 20:49:28 2026 read: IOPS=6, BW=24.3KiB/s (24.9kB/s)(6052KiB/249352msec) clat (msec): min=3, max=283, avg=31.12, stdev=29.93 lat (msec): min=3, max=283, avg=31.12, stdev=29.93 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 44], 90.00th=[ 69], 95.00th=[ 90], | 99.00th=[ 150], 99.50th=[ 192], 99.90th=[ 275], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 7, max= 87, per=28.57%, avg=27.15, stdev=17.92, samples=432 iops : min= 1, max= 21, avg= 6.16, stdev= 4.51, samples=432 write: IOPS=6, BW=25.0KiB/s (25.6kB/s)(6236KiB/249352msec); 0 zone resets clat (msec): min=29, max=1061, avg=129.50, stdev=60.99 lat (msec): min=29, max=1061, avg=129.50, stdev=60.99 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 60], 10.00th=[ 69], 20.00th=[ 83], | 30.00th=[ 95], 40.00th=[ 105], 50.00th=[ 118], 60.00th=[ 132], | 70.00th=[ 148], 80.00th=[ 169], 90.00th=[ 203], 95.00th=[ 236], | 99.00th=[ 313], 99.50th=[ 351], 99.90th=[ 468], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 7, max= 64, per=24.61%, avg=24.61, stdev=10.26, samples=489 iops : min= 1, max= 16, avg= 5.53, stdev= 2.63, samples=489 lat (msec) : 4=0.03%, 10=5.57%, 20=17.61%, 50=18.68%, 100=23.60% lat (msec) : 250=32.62%, 500=1.86%, 2000=0.03% cpu : usr=0.04%, sys=1.11%, ctx=5156, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=95.8KiB/s (98.1kB/s), 23.7KiB/s-24.3KiB/s (24.3kB/s-24.9kB/s), io=23.4MiB (24.6MB), run=249352-250710msec WRITE: bw=100KiB/s (103kB/s), 24.0KiB/s-25.3KiB/s (25.6kB/s-25.9kB/s), io=24.6MiB (25.7MB), run=249352-250710msec 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=144360: Mon Sep 14 20:50:03 2026 read: IOPS=14, BW=234KiB/s (240kB/s)(5920KiB/25277msec) clat (usec): min=27, max=222497, avg=35607.93, stdev=28965.88 lat (usec): min=27, max=222498, avg=35609.09, stdev=28965.92 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 52], 10.00th=[ 59], 20.00th=[ 190], | 30.00th=[ 21103], 40.00th=[ 27132], 50.00th=[ 31589], 60.00th=[ 38011], | 70.00th=[ 47449], 80.00th=[ 55313], 90.00th=[ 71828], 95.00th=[ 87557], | 99.00th=[123208], 99.50th=[137364], 99.90th=[223347], 99.95th=[223347], | 99.99th=[223347] bw ( KiB/s): min= 31, max= 412, per=24.63%, avg=230.33, stdev=85.93, samples=49 iops : min= 1, max= 25, avg=13.67, stdev= 5.43, samples=49 write: IOPS=15, BW=252KiB/s (258kB/s)(6368KiB/25277msec); 0 zone resets clat (usec): min=1008, max=273332, avg=30261.32, stdev=33152.04 lat (usec): min=1012, max=273333, avg=30306.27, stdev=33139.68 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1713], 10.00th=[ 2409], 20.00th=[ 4490], | 30.00th=[ 6849], 40.00th=[ 10290], 50.00th=[ 17695], 60.00th=[ 27132], | 70.00th=[ 40109], 80.00th=[ 54264], 90.00th=[ 76022], 95.00th=[ 85459], | 99.00th=[143655], 99.50th=[202376], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 63, max= 477, per=25.52%, avg=251.12, stdev=79.31, samples=49 iops : min= 3, max= 29, avg=14.98, stdev= 5.04, samples=49 lat (usec) : 50=2.08%, 100=7.29%, 250=0.52% lat (msec) : 2=3.65%, 4=5.34%, 10=11.46%, 20=10.68%, 50=33.98% lat (msec) : 100=22.40%, 250=2.47%, 500=0.13% cpu : usr=0.10%, sys=5.69%, ctx=1421, 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=144361: Mon Sep 14 20:50:03 2026 read: IOPS=14, BW=225KiB/s (231kB/s)(5744KiB/25478msec) clat (usec): min=48, max=193268, avg=36873.29, stdev=27199.28 lat (usec): min=49, max=193269, avg=36874.57, stdev=27199.28 clat percentiles (usec): | 1.00th=[ 55], 5.00th=[ 63], 10.00th=[ 71], 20.00th=[ 17433], | 30.00th=[ 24249], 40.00th=[ 29492], 50.00th=[ 33817], 60.00th=[ 39584], | 70.00th=[ 46924], 80.00th=[ 56886], 90.00th=[ 68682], 95.00th=[ 82314], | 99.00th=[113771], 99.50th=[139461], 99.90th=[193987], 99.95th=[193987], | 99.99th=[193987] bw ( KiB/s): min= 51, max= 384, per=24.02%, avg=224.60, stdev=75.45, samples=50 iops : min= 3, max= 24, avg=13.30, stdev= 4.76, samples=50 write: IOPS=16, BW=257KiB/s (263kB/s)(6544KiB/25478msec); 0 zone resets clat (usec): min=1314, max=195302, avg=29831.44, stdev=31680.65 lat (usec): min=1316, max=195305, avg=29833.62, stdev=31680.90 clat percentiles (usec): | 1.00th=[ 1582], 5.00th=[ 1893], 10.00th=[ 2769], 20.00th=[ 4555], | 30.00th=[ 7177], 40.00th=[ 10552], 50.00th=[ 18744], 60.00th=[ 27132], | 70.00th=[ 36439], 80.00th=[ 51643], 90.00th=[ 72877], 95.00th=[ 94897], | 99.00th=[145753], 99.50th=[152044], 99.90th=[196084], 99.95th=[196084], | 99.99th=[196084] bw ( KiB/s): min= 63, max= 474, per=26.00%, avg=255.82, stdev=88.84, samples=50 iops : min= 3, max= 29, avg=15.28, stdev= 5.65, samples=50 lat (usec) : 50=0.13%, 100=6.90%, 250=0.78%, 1000=0.13% lat (msec) : 2=3.52%, 4=5.73%, 10=11.07%, 20=9.90%, 50=37.89% lat (msec) : 100=20.70%, 250=3.26% cpu : usr=0.10%, sys=5.58%, ctx=1408, 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=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=144362: Mon Sep 14 20:50:03 2026 read: IOPS=15, BW=248KiB/s (254kB/s)(6256KiB/25181msec) clat (usec): min=35, max=287809, avg=35020.90, stdev=27968.50 lat (usec): min=35, max=287810, avg=35022.41, stdev=27968.19 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 60], 10.00th=[ 69], 20.00th=[ 11863], | 30.00th=[ 22676], 40.00th=[ 27395], 50.00th=[ 33424], 60.00th=[ 40109], | 70.00th=[ 45876], 80.00th=[ 53740], 90.00th=[ 62653], 95.00th=[ 79168], | 99.00th=[105382], 99.50th=[145753], 99.90th=[287310], 99.95th=[287310], | 99.99th=[287310] bw ( KiB/s): min= 125, max= 506, per=26.39%, avg=246.73, stdev=85.37, samples=49 iops : min= 7, max= 31, avg=14.69, stdev= 5.40, samples=49 write: IOPS=14, BW=240KiB/s (245kB/s)(6032KiB/25181msec); 0 zone resets clat (usec): min=976, max=208586, avg=30345.41, stdev=33408.99 lat (usec): min=977, max=208588, avg=30348.23, stdev=33408.31 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1713], 10.00th=[ 2212], 20.00th=[ 4228], | 30.00th=[ 6456], 40.00th=[ 10814], 50.00th=[ 19268], 60.00th=[ 27919], | 70.00th=[ 40109], 80.00th=[ 53740], 90.00th=[ 74974], 95.00th=[ 88605], | 99.00th=[166724], 99.50th=[191890], 99.90th=[208667], 99.95th=[208667], | 99.99th=[208667] bw ( KiB/s): min= 95, max= 446, per=24.28%, avg=238.92, stdev=86.48, samples=48 iops : min= 5, max= 27, avg=14.23, stdev= 5.49, samples=48 lat (usec) : 50=1.17%, 100=7.03%, 250=0.91%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=4.43%, 4=4.95%, 10=9.77%, 20=9.38%, 50=38.41% lat (msec) : 100=21.09%, 250=2.21%, 500=0.13% cpu : usr=0.06%, sys=5.32%, ctx=1414, 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=144363: Mon Sep 14 20:50:03 2026 read: IOPS=14, BW=236KiB/s (241kB/s)(6032KiB/25594msec) clat (usec): min=33, max=285145, avg=39062.44, stdev=34498.84 lat (usec): min=34, max=285146, avg=39063.81, stdev=34499.15 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 58], 10.00th=[ 63], 20.00th=[ 2704], | 30.00th=[ 22152], 40.00th=[ 29230], 50.00th=[ 35914], 60.00th=[ 41681], | 70.00th=[ 48497], 80.00th=[ 58983], 90.00th=[ 74974], 95.00th=[ 90702], | 99.00th=[193987], 99.50th=[217056], 99.90th=[283116], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 62, max= 382, per=24.84%, avg=232.28, stdev=73.13, samples=50 iops : min= 3, max= 23, avg=13.78, stdev= 4.56, samples=50 write: IOPS=15, BW=244KiB/s (250kB/s)(6256KiB/25594msec); 0 zone resets clat (usec): min=1213, max=192668, avg=27719.64, stdev=29156.89 lat (usec): min=1214, max=192670, avg=27725.40, stdev=29160.71 clat percentiles (usec): | 1.00th=[ 1516], 5.00th=[ 1729], 10.00th=[ 2073], 20.00th=[ 3458], | 30.00th=[ 5866], 40.00th=[ 9503], 50.00th=[ 17171], 60.00th=[ 27395], | 70.00th=[ 36439], 80.00th=[ 51643], 90.00th=[ 70779], 95.00th=[ 85459], | 99.00th=[115868], 99.50th=[139461], 99.90th=[191890], 99.95th=[191890], | 99.99th=[191890] bw ( KiB/s): min= 63, max= 470, per=24.49%, avg=240.98, stdev=95.01, samples=50 iops : min= 3, max= 29, avg=14.34, stdev= 5.94, samples=50 lat (usec) : 50=1.04%, 100=8.20%, 500=0.13%, 1000=0.13% lat (msec) : 2=4.82%, 4=7.42%, 10=9.64%, 20=8.33%, 50=35.42% lat (msec) : 100=22.40%, 250=2.34%, 500=0.13% cpu : usr=0.07%, sys=5.29%, ctx=1378, 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=936KiB/s (958kB/s), 225KiB/s-248KiB/s (231kB/s-254kB/s), io=23.4MiB (24.5MB), run=25181-25594msec WRITE: bw=985KiB/s (1008kB/s), 240KiB/s-257KiB/s (245kB/s-263kB/s), io=24.6MiB (25.8MB), run=25181-25594msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144355: Mon Sep 14 20:50:38 2026 read: IOPS=6, BW=98.1KiB/s (100kB/s)(5920KiB/60345msec) clat (msec): min=6, max=209, avg=35.01, stdev=32.75 lat (msec): min=6, max=209, avg=35.01, stdev=32.75 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 25], 60.00th=[ 30], | 70.00th=[ 36], 80.00th=[ 48], 90.00th=[ 72], 95.00th=[ 94], | 99.00th=[ 182], 99.50th=[ 201], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 30, max= 318, per=26.54%, avg=104.02, stdev=60.45, samples=111 iops : min= 1, max= 19, avg= 5.78, stdev= 3.86, samples=111 write: IOPS=6, BW=106KiB/s (108kB/s)(6368KiB/60345msec); 0 zone resets clat (msec): min=32, max=297, avg=118.71, stdev=51.59 lat (msec): min=32, max=297, avg=118.71, stdev=51.60 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 55], 10.00th=[ 64], 20.00th=[ 79], | 30.00th=[ 87], 40.00th=[ 96], 50.00th=[ 106], 60.00th=[ 120], | 70.00th=[ 133], 80.00th=[ 155], 90.00th=[ 192], 95.00th=[ 228], | 99.00th=[ 288], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 31, max= 224, per=25.37%, avg=104.78, stdev=46.61, samples=119 iops : min= 1, max= 14, avg= 5.82, stdev= 3.04, samples=119 lat (msec) : 10=3.12%, 20=17.06%, 50=20.18%, 100=28.52%, 250=29.43% lat (msec) : 500=1.69% cpu : usr=0.03%, sys=1.24%, ctx=1260, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144356: Mon Sep 14 20:50:38 2026 read: IOPS=5, BW=94.2KiB/s (96.5kB/s)(5744KiB/60971msec) clat (msec): min=5, max=193, avg=33.57, stdev=31.98 lat (msec): min=5, max=193, avg=33.58, stdev=31.98 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 44], 90.00th=[ 70], 95.00th=[ 106], | 99.00th=[ 167], 99.50th=[ 184], 99.90th=[ 194], 99.95th=[ 194], | 99.99th=[ 194] bw ( KiB/s): min= 29, max= 288, per=26.81%, avg=105.09, stdev=68.05, samples=106 iops : min= 1, max= 18, avg= 5.84, stdev= 4.36, samples=106 write: IOPS=6, BW=107KiB/s (110kB/s)(6544KiB/60971msec); 0 zone resets clat (msec): min=23, max=364, avg=119.46, stdev=57.48 lat (msec): min=23, max=364, avg=119.46, stdev=57.48 clat percentiles (msec): | 1.00th=[ 27], 5.00th=[ 53], 10.00th=[ 64], 20.00th=[ 75], | 30.00th=[ 84], 40.00th=[ 95], 50.00th=[ 106], 60.00th=[ 118], | 70.00th=[ 136], 80.00th=[ 157], 90.00th=[ 194], 95.00th=[ 245], | 99.00th=[ 305], 99.50th=[ 326], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 31, max= 256, per=25.48%, avg=105.22, stdev=45.30, samples=120 iops : min= 1, max= 16, avg= 5.85, stdev= 2.95, samples=120 lat (msec) : 10=3.65%, 20=15.89%, 50=21.74%, 100=27.34%, 250=29.17% lat (msec) : 500=2.21% cpu : usr=0.05%, sys=1.21%, ctx=1203, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144357: Mon Sep 14 20:50:38 2026 read: IOPS=6, BW=104KiB/s (107kB/s)(6256KiB/59940msec) clat (msec): min=6, max=205, avg=33.44, stdev=31.51 lat (msec): min=6, max=205, avg=33.44, stdev=31.51 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 43], 90.00th=[ 70], 95.00th=[ 112], | 99.00th=[ 169], 99.50th=[ 184], 99.90th=[ 207], 99.95th=[ 207], | 99.99th=[ 207] bw ( KiB/s): min= 30, max= 319, per=27.88%, avg=109.27, stdev=70.28, samples=113 iops : min= 1, max= 19, avg= 6.10, stdev= 4.49, samples=113 write: IOPS=6, BW=101KiB/s (103kB/s)(6032KiB/59940msec); 0 zone resets clat (msec): min=32, max=398, avg=123.97, stdev=56.29 lat (msec): min=32, max=398, avg=123.97, stdev=56.29 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 55], 10.00th=[ 65], 20.00th=[ 80], | 30.00th=[ 90], 40.00th=[ 102], 50.00th=[ 111], 60.00th=[ 125], | 70.00th=[ 142], 80.00th=[ 169], 90.00th=[ 197], 95.00th=[ 228], | 99.00th=[ 338], 99.50th=[ 368], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 31, max= 221, per=24.28%, avg=100.28, stdev=42.46, samples=117 iops : min= 1, max= 13, avg= 5.54, stdev= 2.77, samples=117 lat (msec) : 10=3.65%, 20=17.06%, 50=23.44%, 100=23.44%, 250=30.99% lat (msec) : 500=1.43% cpu : usr=0.04%, sys=1.28%, ctx=1297, 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=144358: Mon Sep 14 20:50:38 2026 read: IOPS=6, BW=99.2KiB/s (102kB/s)(6032KiB/60785msec) clat (msec): min=5, max=315, avg=35.21, stdev=38.88 lat (msec): min=5, max=315, avg=35.22, stdev=38.87 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 33], 80.00th=[ 44], 90.00th=[ 72], 95.00th=[ 127], | 99.00th=[ 201], 99.50th=[ 222], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 31, max= 410, per=27.48%, avg=107.72, stdev=70.74, samples=109 iops : min= 1, max= 25, avg= 6.01, stdev= 4.49, samples=109 write: IOPS=6, BW=103KiB/s (105kB/s)(6256KiB/60785msec); 0 zone resets clat (msec): min=37, max=390, avg=121.09, stdev=55.18 lat (msec): min=37, max=390, avg=121.09, stdev=55.18 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 78], | 30.00th=[ 88], 40.00th=[ 96], 50.00th=[ 108], 60.00th=[ 121], | 70.00th=[ 138], 80.00th=[ 163], 90.00th=[ 199], 95.00th=[ 230], | 99.00th=[ 292], 99.50th=[ 351], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 31, max= 223, per=24.92%, avg=102.93, stdev=44.56, samples=119 iops : min= 1, max= 13, avg= 5.71, stdev= 2.92, samples=119 lat (msec) : 10=3.91%, 20=17.71%, 50=19.92%, 100=26.30%, 250=30.47% lat (msec) : 500=1.69% cpu : usr=0.03%, sys=1.28%, ctx=1220, 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=393KiB/s (402kB/s), 94.2KiB/s-104KiB/s (96.5kB/s-107kB/s), io=23.4MiB (24.5MB), run=59940-60971msec WRITE: bw=413KiB/s (423kB/s), 101KiB/s-107KiB/s (103kB/s-110kB/s), io=24.6MiB (25.8MB), run=59940-60971msec 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=144379: Mon Sep 14 20:50:55 2026 read: IOPS=1, BW=1175KiB/s (1203kB/s)(7168KiB/6099msec) clat (msec): min=83, max=2667, avg=594.83, stdev=945.51 lat (msec): min=83, max=2667, avg=594.83, stdev=945.51 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 84], 10.00th=[ 84], 20.00th=[ 116], | 30.00th=[ 130], 40.00th=[ 130], 50.00th=[ 138], 60.00th=[ 255], | 70.00th=[ 255], 80.00th=[ 776], 90.00th=[ 2668], 95.00th=[ 2668], | 99.00th=[ 2668], 99.50th=[ 2668], 99.90th=[ 2668], 99.95th=[ 2668], | 99.99th=[ 2668] bw ( KiB/s): min= 1662, max= 4087, per=100.00%, avg=2957.75, stdev=1306.77, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=0, BW=839KiB/s (860kB/s)(5120KiB/6099msec); 0 zone resets clat (msec): min=136, max=551, avg=357.23, stdev=157.39 lat (msec): min=137, max=551, avg=357.32, stdev=157.39 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 138], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 376], 60.00th=[ 376], | 70.00th=[ 439], 80.00th=[ 439], 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= 2003, max= 2043, per=54.30%, avg=2032.60, stdev=16.64, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 100=8.33%, 250=33.33%, 500=33.33%, 750=8.33%, 1000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.00%, sys=1.98%, ctx=48, 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=144380: Mon Sep 14 20:50:55 2026 read: IOPS=0, BW=267KiB/s (274kB/s)(2048KiB/7659msec) clat (msec): min=123, max=427, avg=275.80, stdev=215.21 lat (msec): min=123, max=427, avg=275.80, stdev=215.21 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 124], 10.00th=[ 124], 20.00th=[ 124], | 30.00th=[ 124], 40.00th=[ 124], 50.00th=[ 124], 60.00th=[ 430], | 70.00th=[ 430], 80.00th=[ 430], 90.00th=[ 430], 95.00th=[ 430], | 99.00th=[ 430], 99.50th=[ 430], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 1595, max= 2048, per=68.14%, avg=1821.50, stdev=320.32, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1337KiB/s (1369kB/s)(10.0MiB/7659msec); 0 zone resets clat (msec): min=170, max=2925, avg=688.16, stdev=864.76 lat (msec): min=170, max=2926, avg=688.28, stdev=864.75 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 205], | 30.00th=[ 215], 40.00th=[ 245], 50.00th=[ 275], 60.00th=[ 317], | 70.00th=[ 368], 80.00th=[ 877], 90.00th=[ 1284], 95.00th=[ 2937], | 99.00th=[ 2937], 99.50th=[ 2937], 99.90th=[ 2937], 99.95th=[ 2937], | 99.99th=[ 2937] bw ( KiB/s): min= 2019, max= 4087, per=86.60%, avg=3241.60, stdev=1107.71, samples=5 iops : min= 1, max= 3, avg= 2.20, stdev= 1.10, samples=5 lat (msec) : 250=41.67%, 500=33.33%, 1000=8.33%, 2000=8.33%, >=2000=8.33% cpu : usr=0.00%, sys=1.88%, ctx=60, 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=144382: Mon Sep 14 20:50:55 2026 read: IOPS=0, BW=819KiB/s (838kB/s)(6144KiB/7504msec) clat (msec): min=116, max=297, avg=158.81, stdev=69.83 lat (msec): min=116, max=297, avg=158.81, stdev=69.83 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 118], | 30.00th=[ 118], 40.00th=[ 128], 50.00th=[ 128], 60.00th=[ 131], | 70.00th=[ 163], 80.00th=[ 163], 90.00th=[ 296], 95.00th=[ 296], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 1992, max= 4079, per=94.82%, avg=2534.50, stdev=1029.92, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 write: IOPS=0, BW=819KiB/s (838kB/s)(6144KiB/7504msec); 0 zone resets clat (msec): min=231, max=4517, avg=1081.66, stdev=1691.68 lat (msec): min=231, max=4517, avg=1081.77, stdev=1691.67 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 232], 10.00th=[ 232], 20.00th=[ 249], | 30.00th=[ 249], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 435], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 4530], 95.00th=[ 4530], | 99.00th=[ 4530], 99.50th=[ 4530], 99.90th=[ 4530], 99.95th=[ 4530], | 99.99th=[ 4530] bw ( KiB/s): min= 1992, max= 3185, per=61.64%, avg=2307.00, stdev=585.83, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 250=58.33%, 500=25.00%, 750=8.33%, >=2000=8.33% cpu : usr=0.01%, sys=1.76%, ctx=62, 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=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=144383: Mon Sep 14 20:50:55 2026 read: IOPS=0, BW=676KiB/s (692kB/s)(5120KiB/7576msec) clat (msec): min=103, max=653, avg=300.40, stdev=258.68 lat (msec): min=103, max=653, avg=300.41, stdev=258.68 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 104], 10.00th=[ 104], 20.00th=[ 104], | 30.00th=[ 120], 40.00th=[ 120], 50.00th=[ 125], 60.00th=[ 125], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 651], 95.00th=[ 651], | 99.00th=[ 651], 99.50th=[ 651], 99.90th=[ 651], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 2003, max= 4039, per=100.00%, avg=2693.67, stdev=1165.23, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=0, BW=946KiB/s (969kB/s)(7168KiB/7576msec); 0 zone resets clat (msec): min=184, max=3154, avg=810.04, stdev=1049.92 lat (msec): min=185, max=3154, avg=810.29, stdev=1049.81 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 184], 10.00th=[ 184], 20.00th=[ 241], | 30.00th=[ 380], 40.00th=[ 380], 50.00th=[ 443], 60.00th=[ 531], | 70.00th=[ 531], 80.00th=[ 735], 90.00th=[ 3171], 95.00th=[ 3171], | 99.00th=[ 3171], 99.50th=[ 3171], 99.90th=[ 3171], 99.95th=[ 3171], | 99.99th=[ 3171] bw ( KiB/s): min= 1992, max= 2043, per=53.97%, avg=2020.00, stdev=22.20, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=41.67%, 500=16.67%, 750=33.33%, >=2000=8.33% cpu : usr=0.00%, sys=1.72%, ctx=76, 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=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=2674KiB/s (2738kB/s), 267KiB/s-1175KiB/s (274kB/s-1203kB/s), io=20.0MiB (20.0MB), run=6099-7659msec WRITE: bw=3744KiB/s (3833kB/s), 819KiB/s-1337KiB/s (838kB/s-1369kB/s), io=28.0MiB (29.4MB), run=6099-7659msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144384: Mon Sep 14 20:50:56 2026 read: IOPS=1, BW=1216KiB/s (1245kB/s)(7168KiB/5894msec) clat (usec): min=637, max=2637.7k, avg=487208.18, stdev=951797.20 lat (usec): min=637, max=2637.7k, avg=487209.63, stdev=951797.66 clat percentiles (usec): | 1.00th=[ 635], 5.00th=[ 635], 10.00th=[ 635], | 20.00th=[ 62653], 30.00th=[ 119014], 40.00th=[ 119014], | 50.00th=[ 145753], 60.00th=[ 196084], 70.00th=[ 196084], | 80.00th=[ 250610], 90.00th=[2634023], 95.00th=[2634023], | 99.00th=[2634023], 99.50th=[2634023], 99.90th=[2634023], | 99.95th=[2634023], 99.99th=[2634023] bw ( KiB/s): min= 2031, max= 6131, per=100.00%, avg=4018.33, stdev=2052.87, samples=3 iops : min= 1, max= 5, avg= 3.00, stdev= 2.00, samples=3 write: IOPS=0, BW=869KiB/s (890kB/s)(5120KiB/5894msec); 0 zone resets clat (msec): min=186, max=941, avg=477.14, stdev=343.02 lat (msec): min=186, max=941, avg=477.23, stdev=343.04 clat percentiles (msec): | 1.00th=[ 186], 5.00th=[ 186], 10.00th=[ 186], 20.00th=[ 186], | 30.00th=[ 236], 40.00th=[ 236], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 743], 80.00th=[ 743], 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= 1946, max= 4063, per=67.84%, avg=2504.75, stdev=1039.21, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 100=8.33%, 250=50.00%, 500=8.33%, 750=8.33%, 1000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.00%, sys=7.31%, ctx=583, 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=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=144385: Mon Sep 14 20:50:56 2026 read: IOPS=0, BW=264KiB/s (270kB/s)(2048KiB/7765msec) clat (msec): min=202, max=369, avg=285.67, stdev=118.28 lat (msec): min=202, max=369, avg=285.67, stdev=118.28 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 203], 10.00th=[ 203], 20.00th=[ 203], | 30.00th=[ 203], 40.00th=[ 203], 50.00th=[ 203], 60.00th=[ 372], | 70.00th=[ 372], 80.00th=[ 372], 90.00th=[ 372], 95.00th=[ 372], | 99.00th=[ 372], 99.50th=[ 372], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 1440, max= 2023, per=65.66%, avg=1731.50, stdev=412.24, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1319KiB/s (1350kB/s)(10.0MiB/7765msec); 0 zone resets clat (msec): min=146, max=2949, avg=694.45, stdev=858.29 lat (msec): min=146, max=2949, avg=694.57, stdev=858.29 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 226], 50.00th=[ 251], 60.00th=[ 542], | 70.00th=[ 558], 80.00th=[ 793], 90.00th=[ 1150], 95.00th=[ 2937], | 99.00th=[ 2937], 99.50th=[ 2937], 99.90th=[ 2937], 99.95th=[ 2937], | 99.99th=[ 2937] bw ( KiB/s): min= 1910, max= 3893, per=62.89%, avg=2322.00, stdev=771.31, samples=6 iops : min= 1, max= 3, avg= 1.50, stdev= 0.84, samples=6 lat (msec) : 250=41.67%, 500=16.67%, 750=16.67%, 1000=8.33%, 2000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.05%, sys=6.16%, ctx=180, 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=144386: Mon Sep 14 20:50:56 2026 read: IOPS=0, BW=1019KiB/s (1043kB/s)(6144KiB/6031msec) clat (msec): min=171, max=487, avg=268.71, stdev=115.72 lat (msec): min=171, max=487, avg=268.71, stdev=115.72 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 174], | 30.00th=[ 174], 40.00th=[ 255], 50.00th=[ 255], 60.00th=[ 259], | 70.00th=[ 268], 80.00th=[ 268], 90.00th=[ 489], 95.00th=[ 489], | 99.00th=[ 489], 99.50th=[ 489], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 1910, max= 2031, per=75.06%, avg=1979.40, stdev=49.78, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 write: IOPS=0, BW=1019KiB/s (1043kB/s)(6144KiB/6031msec); 0 zone resets clat (msec): min=118, max=2678, avg=677.65, stdev=986.61 lat (msec): min=118, max=2678, avg=677.74, stdev=986.60 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 118], 10.00th=[ 118], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 359], 50.00th=[ 359], 60.00th=[ 368], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 2668], 95.00th=[ 2668], | 99.00th=[ 2668], 99.50th=[ 2668], 99.90th=[ 2668], 99.95th=[ 2668], | 99.99th=[ 2668] bw ( KiB/s): min= 1910, max= 2892, per=59.26%, avg=2187.75, stdev=471.06, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (msec) : 250=33.33%, 500=58.33%, >=2000=8.33% cpu : usr=0.00%, sys=7.58%, ctx=161, 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=144387: Mon Sep 14 20:50:56 2026 read: IOPS=0, BW=769KiB/s (787kB/s)(5120KiB/6660msec) clat (usec): min=467, max=396710, avg=153622.14, stdev=164344.57 lat (usec): min=468, max=396711, avg=153623.14, stdev=164344.57 clat percentiles (usec): | 1.00th=[ 469], 5.00th=[ 469], 10.00th=[ 469], 20.00th=[ 469], | 30.00th=[ 490], 40.00th=[ 490], 50.00th=[181404], 60.00th=[181404], | 70.00th=[189793], 80.00th=[189793], 90.00th=[396362], 95.00th=[396362], | 99.00th=[396362], 99.50th=[396362], 99.90th=[396362], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 8094, max= 8094, per=100.00%, avg=8094.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1076KiB/s (1102kB/s)(7168KiB/6660msec); 0 zone resets clat (msec): min=112, max=3685, avg=793.91, stdev=1292.59 lat (msec): min=112, max=3685, avg=794.01, stdev=1292.62 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 113], 10.00th=[ 113], 20.00th=[ 121], | 30.00th=[ 161], 40.00th=[ 161], 50.00th=[ 275], 60.00th=[ 558], | 70.00th=[ 558], 80.00th=[ 642], 90.00th=[ 3675], 95.00th=[ 3675], | 99.00th=[ 3675], 99.50th=[ 3675], 99.90th=[ 3675], 99.95th=[ 3675], | 99.99th=[ 3675] bw ( KiB/s): min= 2003, max= 4047, per=65.69%, avg=2425.40, stdev=906.63, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (usec) : 500=16.67% lat (msec) : 250=41.67%, 500=16.67%, 750=16.67%, >=2000=8.33% cpu : usr=0.00%, sys=5.41%, ctx=118, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2637KiB/s (2701kB/s), 264KiB/s-1216KiB/s (270kB/s-1245kB/s), io=20.0MiB (20.0MB), run=5894-7765msec WRITE: bw=3692KiB/s (3781kB/s), 869KiB/s-1319KiB/s (890kB/s-1350kB/s), io=28.0MiB (29.4MB), run=5894-7765msec 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=144395: Mon Sep 14 20:51:10 2026 read: IOPS=1, BW=5101KiB/s (5223kB/s)(12.0MiB/2409msec) clat (msec): min=678, max=887, avg=776.59, stdev=104.87 lat (msec): min=678, max=887, avg=776.59, stdev=104.87 clat percentiles (msec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[ 676], | 30.00th=[ 676], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 885], 80.00th=[ 885], 90.00th=[ 885], 95.00th=[ 885], | 99.00th=[ 885], 99.50th=[ 885], 99.90th=[ 885], 99.95th=[ 885], | 99.99th=[ 885] bw ( KiB/s): min= 7816, max= 8094, per=100.00%, avg=7955.00, stdev=196.58, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.54%, sys=11.59%, ctx=256, 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=144397: Mon Sep 14 20:51:10 2026 read: IOPS=0, BW=1662KiB/s (1702kB/s)(4096KiB/2464msec) clat (nsec): min=824027k, max=824027k, avg=824026634.00, stdev= 0.00 lat (nsec): min=824029k, max=824029k, avg=824028744.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 827], 5.00th=[ 827], 10.00th=[ 827], 20.00th=[ 827], | 30.00th=[ 827], 40.00th=[ 827], 50.00th=[ 827], 60.00th=[ 827], | 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= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3325KiB/s (3404kB/s)(8192KiB/2464msec); 0 zone resets clat (msec): min=400, max=1118, avg=759.79, stdev=507.51 lat (msec): min=402, max=1119, avg=761.32, stdev=506.89 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 401], 10.00th=[ 401], 20.00th=[ 401], | 30.00th=[ 401], 40.00th=[ 401], 50.00th=[ 401], 60.00th=[ 1116], | 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= 7787, max= 7787, per=68.49%, avg=7787.00, 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=0.16%, sys=6.78%, ctx=176, 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=144400: Mon Sep 14 20:51:10 2026 write: IOPS=1, BW=4264KiB/s (4366kB/s)(12.0MiB/2882msec); 0 zone resets clat (msec): min=796, max=1223, avg=944.39, stdev=241.88 lat (msec): min=796, max=1226, avg=945.72, stdev=243.31 clat percentiles (msec): | 1.00th=[ 793], 5.00th=[ 793], 10.00th=[ 793], 20.00th=[ 793], | 30.00th=[ 793], 40.00th=[ 810], 50.00th=[ 810], 60.00th=[ 810], | 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= 8143, max= 8159, per=71.69%, avg=8151.00, stdev=11.31, 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=0.38%, sys=4.58%, ctx=75, 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=144402: Mon Sep 14 20:51:10 2026 write: IOPS=1, BW=6263KiB/s (6413kB/s)(12.0MiB/1962msec); 0 zone resets clat (msec): min=294, max=1194, avg=628.26, stdev=493.04 lat (msec): min=296, max=1194, avg=629.08, stdev=492.61 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 296], | 30.00th=[ 296], 40.00th=[ 397], 50.00th=[ 397], 60.00th=[ 397], | 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= 5919, max= 7816, per=60.41%, avg=6867.50, stdev=1341.38, 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=0.15%, sys=4.74%, 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=6649KiB/s (6809kB/s), 1662KiB/s-5101KiB/s (1702kB/s-5223kB/s), io=16.0MiB (16.8MB), run=2409-2464msec WRITE: bw=11.1MiB/s (11.6MB/s), 3325KiB/s-6263KiB/s (3404kB/s-6413kB/s), io=32.0MiB (33.6MB), run=1962-2882msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144396: Mon Sep 14 20:51:10 2026 read: IOPS=1, BW=4250KiB/s (4352kB/s)(12.0MiB/2891msec) clat (msec): min=429, max=1269, avg=942.54, stdev=450.17 lat (msec): min=429, max=1269, avg=942.54, stdev=450.17 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 1133], 50.00th=[ 1133], 60.00th=[ 1133], | 70.00th=[ 1267], 80.00th=[ 1267], 90.00th=[ 1267], 95.00th=[ 1267], | 99.00th=[ 1267], 99.50th=[ 1267], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.07%, sys=2.56%, ctx=63, 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=144398: Mon Sep 14 20:51:10 2026 read: IOPS=0, BW=1422KiB/s (1456kB/s)(4096KiB/2880msec) clat (nsec): min=1040.7M, max=1040.7M, avg=1040683628.00, stdev= 0.00 lat (nsec): min=1040.7M, max=1040.7M, avg=1040685339.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1045], 5.00th=[ 1045], 10.00th=[ 1045], 20.00th=[ 1045], | 30.00th=[ 1045], 40.00th=[ 1045], 50.00th=[ 1045], 60.00th=[ 1045], | 70.00th=[ 1045], 80.00th=[ 1045], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 7787, max= 7787, per=100.00%, avg=7787.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2844KiB/s (2913kB/s)(8192KiB/2880msec); 0 zone resets clat (msec): min=603, max=1063, avg=833.48, stdev=325.00 lat (msec): min=604, max=1063, avg=834.09, stdev=325.08 clat percentiles (msec): | 1.00th=[ 600], 5.00th=[ 600], 10.00th=[ 600], 20.00th=[ 600], | 30.00th=[ 600], 40.00th=[ 600], 50.00th=[ 600], 60.00th=[ 1062], | 70.00th=[ 1062], 80.00th=[ 1062], 90.00th=[ 1062], 95.00th=[ 1062], | 99.00th=[ 1062], 99.50th=[ 1062], 99.90th=[ 1062], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 8143, max= 8143, per=78.55%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.10%, sys=2.71%, ctx=42, 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=144399: Mon Sep 14 20:51:10 2026 write: IOPS=0, BW=3887KiB/s (3981kB/s)(12.0MiB/3161msec); 0 zone resets clat (msec): min=209, max=1482, avg=988.45, stdev=682.20 lat (msec): min=210, max=1482, avg=989.12, stdev=682.28 clat percentiles (msec): | 1.00th=[ 211], 5.00th=[ 211], 10.00th=[ 211], 20.00th=[ 211], | 30.00th=[ 211], 40.00th=[ 1267], 50.00th=[ 1267], 60.00th=[ 1267], | 70.00th=[ 1485], 80.00th=[ 1485], 90.00th=[ 1485], 95.00th=[ 1485], | 99.00th=[ 1485], 99.50th=[ 1485], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 8126, max= 8126, per=78.39%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 2000=66.67% cpu : usr=0.22%, sys=3.01%, ctx=46, 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=144401: Mon Sep 14 20:51:10 2026 write: IOPS=1, BW=5392KiB/s (5521kB/s)(12.0MiB/2279msec); 0 zone resets clat (msec): min=354, max=1191, avg=684.89, stdev=445.33 lat (msec): min=355, max=1191, avg=685.93, stdev=444.77 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 355], 10.00th=[ 355], 20.00th=[ 355], | 30.00th=[ 355], 40.00th=[ 510], 50.00th=[ 510], 60.00th=[ 510], | 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=15574, max=15574, per=100.00%, avg=15574.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.09%, sys=4.74%, ctx=39, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5667KiB/s (5803kB/s), 1422KiB/s-4250KiB/s (1456kB/s-4352kB/s), io=16.0MiB (16.8MB), run=2880-2891msec WRITE: bw=10.1MiB/s (10.6MB/s), 2844KiB/s-5392KiB/s (2913kB/s-5521kB/s), io=32.0MiB (33.6MB), run=2279-3161msec