== sanity test 398b: DIO and buffer IO race ============== 11:36:35 (1787844995) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.97764 s, 8.4 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=144450: Thu Aug 27 11:39:07 2026 read: IOPS=11, BW=46.1KiB/s (47.2kB/s)(5992KiB/130044msec) clat (usec): min=35, max=1121.4k, avg=41291.08, stdev=42653.01 lat (usec): min=36, max=1121.4k, avg=41295.62, stdev=42655.30 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 57], 10.00th=[ 85], | 20.00th=[ 16909], 30.00th=[ 22676], 40.00th=[ 28181], | 50.00th=[ 33817], 60.00th=[ 41157], 70.00th=[ 50070], | 80.00th=[ 62129], 90.00th=[ 81265], 95.00th=[ 96994], | 99.00th=[ 152044], 99.50th=[ 191890], 99.90th=[ 291505], | 99.95th=[1115685], 99.99th=[1115685] bw ( KiB/s): min= 7, max= 104, per=25.57%, avg=46.29, stdev=21.72, samples=252 iops : min= 1, max= 26, avg=10.93, stdev= 5.48, samples=252 write: IOPS=12, BW=48.4KiB/s (49.6kB/s)(6296KiB/130044msec); 0 zone resets clat (usec): min=856, max=536753, avg=43006.79, stdev=48027.71 lat (usec): min=858, max=536754, avg=43012.44, stdev=48027.74 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1172], 10.00th=[ 1287], 20.00th=[ 3359], | 30.00th=[ 7832], 40.00th=[ 18482], 50.00th=[ 31327], 60.00th=[ 41681], | 70.00th=[ 56361], 80.00th=[ 73925], 90.00th=[103285], 95.00th=[131597], | 99.00th=[196084], 99.50th=[238027], 99.90th=[467665], 99.95th=[534774], | 99.99th=[534774] bw ( KiB/s): min= 7, max= 103, per=25.46%, avg=48.38, stdev=21.05, samples=253 iops : min= 1, max= 25, avg=11.46, stdev= 5.29, samples=253 lat (usec) : 50=0.52%, 100=4.46%, 250=0.39%, 500=0.07%, 750=0.07% lat (usec) : 1000=0.42% lat (msec) : 2=7.62%, 4=3.45%, 10=6.25%, 20=10.12%, 50=34.93% lat (msec) : 100=24.02%, 250=7.42%, 500=0.20%, 750=0.03%, 2000=0.03% cpu : usr=0.08%, sys=4.86%, ctx=6198, 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=144451: Thu Aug 27 11:39:07 2026 read: IOPS=11, BW=46.5KiB/s (47.7kB/s)(5940KiB/127619msec) clat (usec): min=30, max=518284, avg=41431.94, stdev=36504.29 lat (usec): min=31, max=518285, avg=41434.62, stdev=36504.66 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 57], 10.00th=[ 70], 20.00th=[ 16319], | 30.00th=[ 22938], 40.00th=[ 28443], 50.00th=[ 34341], 60.00th=[ 42206], | 70.00th=[ 51643], 80.00th=[ 62129], 90.00th=[ 81265], 95.00th=[100140], | 99.00th=[158335], 99.50th=[189793], 99.90th=[404751], 99.95th=[517997], | 99.99th=[517997] bw ( KiB/s): min= 5, max= 111, per=25.91%, avg=46.90, stdev=20.19, samples=247 iops : min= 1, max= 27, avg=11.09, stdev= 5.07, samples=247 write: IOPS=12, BW=49.7KiB/s (50.9kB/s)(6348KiB/127619msec); 0 zone resets clat (usec): min=649, max=1093.5k, avg=41294.54, stdev=51677.27 lat (usec): min=650, max=1093.5k, avg=41301.25, stdev=51676.95 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1172], 10.00th=[ 1319], | 20.00th=[ 3654], 30.00th=[ 7635], 40.00th=[ 16909], | 50.00th=[ 28705], 60.00th=[ 40109], 70.00th=[ 52167], | 80.00th=[ 70779], 90.00th=[ 98042], 95.00th=[ 122160], | 99.00th=[ 204473], 99.50th=[ 252707], 99.90th=[ 346031], | 99.95th=[1098908], 99.99th=[1098908] bw ( KiB/s): min= 7, max= 111, per=26.26%, avg=49.90, stdev=21.84, samples=248 iops : min= 1, max= 27, avg=11.85, stdev= 5.50, samples=248 lat (usec) : 50=1.07%, 100=4.69%, 250=0.16%, 500=0.07%, 750=0.07% lat (usec) : 1000=0.26% lat (msec) : 2=7.49%, 4=3.29%, 10=6.87%, 20=10.16%, 50=34.08% lat (msec) : 100=24.64%, 250=6.77%, 500=0.33%, 750=0.03%, 2000=0.03% cpu : usr=0.07%, sys=4.83%, ctx=6073, 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=144453: Thu Aug 27 11:39:07 2026 read: IOPS=11, BW=46.4KiB/s (47.5kB/s)(6028KiB/129901msec) clat (usec): min=33, max=489796, avg=40736.46, stdev=33953.18 lat (usec): min=33, max=489798, avg=40741.47, stdev=33951.69 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 57], 10.00th=[ 70], 20.00th=[ 17695], | 30.00th=[ 22938], 40.00th=[ 28443], 50.00th=[ 34866], 60.00th=[ 41681], | 70.00th=[ 49546], 80.00th=[ 61080], 90.00th=[ 80217], 95.00th=[ 99091], | 99.00th=[147850], 99.50th=[164627], 99.90th=[341836], 99.95th=[488637], | 99.99th=[488637] bw ( KiB/s): min= 7, max= 103, per=25.78%, avg=46.66, stdev=20.66, samples=252 iops : min= 1, max= 25, avg=11.02, stdev= 5.20, samples=252 write: IOPS=12, BW=48.2KiB/s (49.3kB/s)(6260KiB/129901msec); 0 zone resets clat (usec): min=845, max=1253.2k, avg=43444.62, stdev=54412.03 lat (usec): min=846, max=1253.2k, avg=43451.59, stdev=54413.77 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1172], 10.00th=[ 1303], | 20.00th=[ 4080], 30.00th=[ 9110], 40.00th=[ 19006], | 50.00th=[ 30540], 60.00th=[ 42730], 70.00th=[ 54789], | 80.00th=[ 72877], 90.00th=[ 102237], 95.00th=[ 133694], | 99.00th=[ 206570], 99.50th=[ 227541], 99.90th=[ 320865], | 99.95th=[1249903], 99.99th=[1249903] bw ( KiB/s): min= 7, max= 119, per=25.27%, avg=48.02, stdev=22.35, samples=254 iops : min= 1, max= 29, avg=11.37, stdev= 5.63, samples=254 lat (usec) : 50=0.68%, 100=4.85%, 250=0.10%, 500=0.07%, 750=0.10% lat (usec) : 1000=0.36% lat (msec) : 2=7.06%, 4=2.93%, 10=6.45%, 20=9.64%, 50=36.17% lat (msec) : 100=23.89%, 250=7.49%, 500=0.20%, 2000=0.03% cpu : usr=0.09%, sys=4.68%, ctx=6186, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144455: Thu Aug 27 11:39:07 2026 read: IOPS=11, BW=45.8KiB/s (46.9kB/s)(6052KiB/132205msec) clat (usec): min=32, max=1142.2k, avg=42211.52, stdev=42648.86 lat (usec): min=32, max=1142.2k, avg=42213.56, stdev=42649.28 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 79], | 20.00th=[ 17695], 30.00th=[ 23725], 40.00th=[ 29492], | 50.00th=[ 35914], 60.00th=[ 42206], 70.00th=[ 51643], | 80.00th=[ 62653], 90.00th=[ 82314], 95.00th=[ 100140], | 99.00th=[ 147850], 99.50th=[ 185598], 99.90th=[ 221250], | 99.95th=[1149240], 99.99th=[1149240] bw ( KiB/s): min= 7, max= 111, per=25.36%, avg=45.89, stdev=20.68, samples=256 iops : min= 1, max= 27, avg=10.83, stdev= 5.20, samples=256 write: IOPS=11, BW=47.2KiB/s (48.3kB/s)(6236KiB/132205msec); 0 zone resets clat (usec): min=911, max=439937, avg=43507.17, stdev=47917.47 lat (usec): min=912, max=439938, avg=43509.36, stdev=47917.00 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1156], 10.00th=[ 1319], 20.00th=[ 3556], | 30.00th=[ 8225], 40.00th=[ 17957], 50.00th=[ 29230], 60.00th=[ 42206], | 70.00th=[ 56886], 80.00th=[ 76022], 90.00th=[105382], 95.00th=[132645], | 99.00th=[214959], 99.50th=[244319], 99.90th=[371196], 99.95th=[438305], | 99.99th=[438305] bw ( KiB/s): min= 7, max= 103, per=24.59%, avg=46.72, stdev=19.97, samples=259 iops : min= 1, max= 25, avg=11.03, stdev= 5.03, samples=259 lat (usec) : 50=1.01%, 100=4.30%, 250=0.23%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.33% lat (msec) : 2=7.06%, 4=3.71%, 10=5.60%, 20=10.38%, 50=34.47% lat (msec) : 100=24.71%, 250=7.88%, 500=0.23%, 2000=0.03% cpu : usr=0.07%, sys=4.94%, ctx=6340, 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=182KiB/s (186kB/s), 45.8KiB/s-46.5KiB/s (46.9kB/s-47.7kB/s), io=23.4MiB (24.6MB), run=127619-132205msec WRITE: bw=190KiB/s (195kB/s), 47.2KiB/s-49.7KiB/s (48.3kB/s-50.9kB/s), io=24.6MiB (25.7MB), run=127619-132205msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144449: Thu Aug 27 11:41:25 2026 read: IOPS=5, BW=22.2KiB/s (22.7kB/s)(5992KiB/269912msec) clat (msec): min=4, max=1132, avg=33.96, stdev=45.70 lat (msec): min=4, max=1132, avg=33.96, stdev=45.70 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 46], 90.00th=[ 77], 95.00th=[ 106], | 99.00th=[ 197], 99.50th=[ 222], 99.90th=[ 376], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 7, max= 96, per=28.74%, avg=25.29, stdev=17.87, samples=458 iops : min= 1, max= 24, avg= 5.70, stdev= 4.52, samples=458 write: IOPS=5, BW=23.3KiB/s (23.9kB/s)(6296KiB/269912msec); 0 zone resets clat (msec): min=34, max=753, avg=138.87, stdev=75.63 lat (msec): min=34, max=753, avg=138.88, stdev=75.63 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 58], 10.00th=[ 67], 20.00th=[ 82], | 30.00th=[ 93], 40.00th=[ 106], 50.00th=[ 122], 60.00th=[ 138], | 70.00th=[ 157], 80.00th=[ 188], 90.00th=[ 239], 95.00th=[ 279], | 99.00th=[ 388], 99.50th=[ 447], 99.90th=[ 701], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 7, max= 63, per=24.91%, avg=23.16, stdev=11.56, samples=523 iops : min= 1, max= 15, avg= 5.16, stdev= 2.97, samples=523 lat (msec) : 10=5.44%, 20=17.87%, 50=17.87%, 100=23.37%, 250=30.96% lat (msec) : 500=4.26%, 750=0.16%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.02%, ctx=5128, 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=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=144452: Thu Aug 27 11:41:25 2026 read: IOPS=5, BW=22.0KiB/s (22.6kB/s)(5940KiB/269608msec) clat (msec): min=4, max=1158, avg=35.41, stdev=50.21 lat (msec): min=4, max=1158, avg=35.41, stdev=50.21 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 31], 80.00th=[ 46], 90.00th=[ 86], 95.00th=[ 115], | 99.00th=[ 194], 99.50th=[ 239], 99.90th=[ 456], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 7, max= 143, per=28.89%, avg=25.42, stdev=18.15, samples=451 iops : min= 1, max= 35, avg= 5.73, stdev= 4.60, samples=451 write: IOPS=5, BW=23.5KiB/s (24.1kB/s)(6348KiB/269608msec); 0 zone resets clat (msec): min=29, max=637, avg=136.46, stdev=70.28 lat (msec): min=29, max=637, avg=136.46, stdev=70.29 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 59], 10.00th=[ 68], 20.00th=[ 82], | 30.00th=[ 94], 40.00th=[ 107], 50.00th=[ 118], 60.00th=[ 136], | 70.00th=[ 155], 80.00th=[ 182], 90.00th=[ 228], 95.00th=[ 284], | 99.00th=[ 363], 99.50th=[ 409], 99.90th=[ 558], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 7, max= 56, per=25.15%, avg=23.39, stdev=11.59, samples=522 iops : min= 1, max= 14, avg= 5.22, stdev= 2.98, samples=522 lat (msec) : 10=6.22%, 20=18.20%, 50=16.02%, 100=22.75%, 250=32.81% lat (msec) : 500=3.87%, 750=0.10%, 2000=0.03% cpu : usr=0.04%, sys=1.00%, ctx=5096, 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=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=144454: Thu Aug 27 11:41:25 2026 read: IOPS=5, BW=22.4KiB/s (22.0kB/s)(6028KiB/268546msec) clat (msec): min=5, max=373, avg=34.85, stdev=37.69 lat (msec): min=5, max=373, avg=34.85, stdev=37.69 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 50], 90.00th=[ 80], 95.00th=[ 110], | 99.00th=[ 190], 99.50th=[ 224], 99.90th=[ 351], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 7, max= 124, per=27.89%, avg=24.54, stdev=17.54, samples=474 iops : min= 1, max= 31, avg= 5.52, stdev= 4.44, samples=474 write: IOPS=5, BW=23.3KiB/s (23.9kB/s)(6260KiB/268546msec); 0 zone resets clat (msec): min=28, max=1233, avg=137.73, stdev=77.53 lat (msec): min=28, max=1233, avg=137.75, stdev=77.54 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 58], 10.00th=[ 69], 20.00th=[ 83], | 30.00th=[ 94], 40.00th=[ 106], 50.00th=[ 118], 60.00th=[ 132], | 70.00th=[ 153], 80.00th=[ 182], 90.00th=[ 234], 95.00th=[ 288], | 99.00th=[ 363], 99.50th=[ 443], 99.90th=[ 709], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 7, max= 63, per=24.95%, avg=23.20, stdev=11.77, samples=519 iops : min= 1, max= 15, avg= 5.17, stdev= 3.02, samples=519 lat (msec) : 10=5.66%, 20=17.51%, 50=17.45%, 100=23.18%, 250=31.90% lat (msec) : 500=4.20%, 750=0.07%, 2000=0.03% cpu : usr=0.03%, sys=1.05%, ctx=5047, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144456: Thu Aug 27 11:41:25 2026 read: IOPS=5, BW=22.5KiB/s (23.1kB/s)(6052KiB/268553msec) clat (msec): min=4, max=469, avg=34.17, stdev=39.91 lat (msec): min=4, max=469, avg=34.17, stdev=39.91 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 32], 80.00th=[ 48], 90.00th=[ 79], 95.00th=[ 108], | 99.00th=[ 184], 99.50th=[ 243], 99.90th=[ 447], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 7, max= 102, per=29.42%, avg=25.89, stdev=18.24, samples=452 iops : min= 1, max= 25, avg= 5.86, stdev= 4.62, samples=452 write: IOPS=5, BW=23.2KiB/s (23.8kB/s)(6236KiB/268553msec); 0 zone resets clat (msec): min=28, max=1317, avg=138.81, stdev=81.16 lat (msec): min=28, max=1317, avg=138.81, stdev=81.16 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 57], 10.00th=[ 68], 20.00th=[ 81], | 30.00th=[ 93], 40.00th=[ 105], 50.00th=[ 118], 60.00th=[ 136], | 70.00th=[ 155], 80.00th=[ 184], 90.00th=[ 236], 95.00th=[ 296], | 99.00th=[ 397], 99.50th=[ 451], 99.90th=[ 751], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 7, max= 63, per=24.90%, avg=23.15, stdev=11.66, samples=518 iops : min= 1, max= 15, avg= 5.16, stdev= 3.00, samples=518 lat (msec) : 10=6.15%, 20=17.64%, 50=17.58%, 100=23.27%, 250=31.15% lat (msec) : 500=4.04%, 750=0.10%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.03%, ctx=4922, 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=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=88.0KiB/s (91.1kB/s), 22.0KiB/s-22.5KiB/s (22.6kB/s-23.1kB/s), io=23.4MiB (24.6MB), run=268546-269912msec WRITE: bw=93.1KiB/s (95.4kB/s), 23.2KiB/s-23.5KiB/s (23.8kB/s-24.1kB/s), io=24.6MiB (25.7MB), run=268546-269912msec 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=144512: Thu Aug 27 11:42:02 2026 read: IOPS=15, BW=245KiB/s (251kB/s)(5920KiB/24118msec) clat (usec): min=37, max=166382, avg=34149.14, stdev=27679.91 lat (usec): min=38, max=166383, avg=34150.31, stdev=27679.97 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 57], 10.00th=[ 63], 20.00th=[ 139], | 30.00th=[ 20317], 40.00th=[ 26084], 50.00th=[ 32375], 60.00th=[ 36439], | 70.00th=[ 45351], 80.00th=[ 54264], 90.00th=[ 67634], 95.00th=[ 81265], | 99.00th=[137364], 99.50th=[149947], 99.90th=[166724], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 123, max= 446, per=26.76%, avg=243.77, stdev=76.55, samples=47 iops : min= 7, max= 27, avg=14.49, stdev= 4.86, samples=47 write: IOPS=16, BW=264KiB/s (270kB/s)(6368KiB/24118msec); 0 zone resets clat (usec): min=1281, max=199149, avg=28220.84, stdev=34465.93 lat (usec): min=1282, max=199152, avg=28226.85, stdev=34468.51 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1614], 10.00th=[ 1811], 20.00th=[ 3654], | 30.00th=[ 5866], 40.00th=[ 8356], 50.00th=[ 12387], 60.00th=[ 21365], | 70.00th=[ 32113], 80.00th=[ 50070], 90.00th=[ 74974], 95.00th=[104334], | 99.00th=[149947], 99.50th=[191890], 99.90th=[198181], 99.95th=[198181], | 99.99th=[198181] bw ( KiB/s): min= 63, max= 638, per=27.55%, avg=263.91, stdev=111.54, samples=47 iops : min= 3, max= 39, avg=15.77, stdev= 6.95, samples=47 lat (usec) : 50=1.04%, 100=8.07%, 250=0.65%, 500=0.13%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=5.86%, 4=5.34%, 10=11.20%, 20=11.85%, 50=33.20% lat (msec) : 100=18.49%, 250=3.91% cpu : usr=0.08%, sys=6.34%, ctx=1361, 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=144513: Thu Aug 27 11:42:02 2026 read: IOPS=13, BW=219KiB/s (224kB/s)(5744KiB/26280msec) clat (usec): min=38, max=308629, avg=36893.96, stdev=33908.57 lat (usec): min=38, max=308630, avg=36921.70, stdev=33904.69 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 55], 10.00th=[ 61], 20.00th=[ 83], | 30.00th=[ 20055], 40.00th=[ 26084], 50.00th=[ 32900], 60.00th=[ 40109], | 70.00th=[ 48497], 80.00th=[ 56361], 90.00th=[ 77071], 95.00th=[ 93848], | 99.00th=[129500], 99.50th=[208667], 99.90th=[308282], 99.95th=[308282], | 99.99th=[308282] bw ( KiB/s): min= 61, max= 383, per=24.03%, avg=218.92, stdev=79.38, samples=51 iops : min= 3, max= 23, avg=12.94, stdev= 4.99, samples=51 write: IOPS=15, BW=249KiB/s (255kB/s)(6544KiB/26280msec); 0 zone resets clat (usec): min=1293, max=251830, avg=31262.39, stdev=35716.15 lat (usec): min=1295, max=251832, avg=31265.12, stdev=35715.86 clat percentiles (usec): | 1.00th=[ 1467], 5.00th=[ 1631], 10.00th=[ 2114], 20.00th=[ 4228], | 30.00th=[ 7242], 40.00th=[ 11469], 50.00th=[ 17695], 60.00th=[ 26870], | 70.00th=[ 40109], 80.00th=[ 55313], 90.00th=[ 79168], 95.00th=[ 98042], | 99.00th=[149947], 99.50th=[170918], 99.90th=[252707], 99.95th=[252707], | 99.99th=[252707] bw ( KiB/s): min= 61, max= 509, per=25.90%, avg=248.16, stdev=86.62, samples=51 iops : min= 3, max= 31, avg=14.78, stdev= 5.48, samples=51 lat (usec) : 50=1.56%, 100=8.46%, 250=0.39%, 500=0.26% lat (msec) : 2=4.95%, 4=5.34%, 10=9.90%, 20=10.55%, 50=34.24% lat (msec) : 100=20.18%, 250=3.91%, 500=0.26% cpu : usr=0.07%, sys=5.78%, ctx=1356, 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=144515: Thu Aug 27 11:42:02 2026 read: IOPS=14, BW=239KiB/s (245kB/s)(6256KiB/26179msec) clat (usec): min=40, max=376053, avg=35174.33, stdev=34843.05 lat (usec): min=40, max=376054, avg=35176.65, stdev=34844.18 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 64], 20.00th=[ 82], | 30.00th=[ 18482], 40.00th=[ 26608], 50.00th=[ 31851], 60.00th=[ 37487], | 70.00th=[ 45876], 80.00th=[ 55313], 90.00th=[ 70779], 95.00th=[ 86508], | 99.00th=[135267], 99.50th=[258999], 99.90th=[375391], 99.95th=[375391], | 99.99th=[375391] bw ( KiB/s): min= 30, max= 510, per=26.51%, avg=241.49, stdev=93.18, samples=51 iops : min= 1, max= 31, avg=14.35, stdev= 5.83, samples=51 write: IOPS=14, BW=230KiB/s (236kB/s)(6032KiB/26179msec); 0 zone resets clat (usec): min=1120, max=207452, avg=32189.37, stdev=34388.07 lat (usec): min=1125, max=207452, avg=32191.34, stdev=34388.11 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1713], 10.00th=[ 2040], 20.00th=[ 4359], | 30.00th=[ 6980], 40.00th=[ 12780], 50.00th=[ 21103], 60.00th=[ 30278], | 70.00th=[ 40109], 80.00th=[ 58983], 90.00th=[ 79168], 95.00th=[ 92799], | 99.00th=[177210], 99.50th=[177210], 99.90th=[206570], 99.95th=[206570], | 99.99th=[206570] bw ( KiB/s): min= 30, max= 434, per=24.41%, avg=233.82, stdev=95.01, samples=50 iops : min= 1, max= 27, avg=13.90, stdev= 6.01, samples=50 lat (usec) : 50=0.65%, 100=10.55%, 250=0.91% lat (msec) : 2=4.95%, 4=4.30%, 10=10.03%, 20=9.24%, 50=34.38% lat (msec) : 100=21.35%, 250=3.39%, 500=0.26% cpu : usr=0.08%, sys=6.14%, ctx=1345, 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=144516: Thu Aug 27 11:42:02 2026 read: IOPS=14, BW=234KiB/s (239kB/s)(6032KiB/25794msec) clat (usec): min=33, max=376268, avg=35793.23, stdev=35613.36 lat (usec): min=33, max=376270, avg=35794.49, stdev=35613.45 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 54], 10.00th=[ 60], 20.00th=[ 73], | 30.00th=[ 19006], 40.00th=[ 24773], 50.00th=[ 31065], 60.00th=[ 38011], | 70.00th=[ 45876], 80.00th=[ 58459], 90.00th=[ 73925], 95.00th=[ 86508], | 99.00th=[141558], 99.50th=[238027], 99.90th=[375391], 99.95th=[375391], | 99.99th=[375391] bw ( KiB/s): min= 63, max= 439, per=25.60%, avg=233.22, stdev=83.80, samples=50 iops : min= 3, max= 27, avg=13.84, stdev= 5.31, samples=50 write: IOPS=15, BW=243KiB/s (248kB/s)(6256KiB/25794msec); 0 zone resets clat (usec): min=1320, max=232562, avg=31167.75, stdev=34111.30 lat (usec): min=1322, max=232564, avg=31169.93, stdev=34111.22 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1713], 10.00th=[ 2409], 20.00th=[ 4228], | 30.00th=[ 7111], 40.00th=[ 10814], 50.00th=[ 18482], 60.00th=[ 29754], | 70.00th=[ 39584], 80.00th=[ 55837], 90.00th=[ 73925], 95.00th=[ 94897], | 99.00th=[156238], 99.50th=[191890], 99.90th=[231736], 99.95th=[231736], | 99.99th=[231736] bw ( KiB/s): min= 61, max= 440, per=25.43%, avg=243.58, stdev=95.37, samples=50 iops : min= 3, max= 27, avg=14.48, stdev= 5.99, samples=50 lat (usec) : 50=1.82%, 100=9.51%, 250=0.26%, 500=0.13%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=4.30%, 4=5.47%, 10=10.29%, 20=9.77%, 50=32.94% lat (msec) : 100=21.88%, 250=3.26%, 500=0.13% cpu : usr=0.07%, sys=6.02%, ctx=1436, 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=911KiB/s (933kB/s), 219KiB/s-245KiB/s (224kB/s-251kB/s), io=23.4MiB (24.5MB), run=24118-26280msec WRITE: bw=959KiB/s (982kB/s), 230KiB/s-264KiB/s (236kB/s-270kB/s), io=24.6MiB (25.8MB), run=24118-26280msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144514: Thu Aug 27 11:42:39 2026 read: IOPS=5, BW=92.8KiB/s (94.0kB/s)(5920KiB/63825msec) clat (msec): min=5, max=214, avg=35.11, stdev=31.61 lat (msec): min=5, max=214, avg=35.11, stdev=31.61 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 35], 80.00th=[ 44], 90.00th=[ 69], 95.00th=[ 108], | 99.00th=[ 180], 99.50th=[ 213], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 31, max= 384, per=27.91%, avg=104.09, stdev=67.43, samples=112 iops : min= 1, max= 24, avg= 5.75, stdev= 4.27, samples=112 write: IOPS=6, BW=99.8KiB/s (102kB/s)(6368KiB/63825msec); 0 zone resets clat (msec): min=45, max=677, avg=127.03, stdev=64.81 lat (msec): min=45, max=677, avg=127.03, stdev=64.81 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 58], 10.00th=[ 68], 20.00th=[ 79], | 30.00th=[ 88], 40.00th=[ 97], 50.00th=[ 112], 60.00th=[ 123], | 70.00th=[ 146], 80.00th=[ 169], 90.00th=[ 201], 95.00th=[ 255], | 99.00th=[ 342], 99.50th=[ 372], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 21, max= 223, per=25.54%, avg=100.38, stdev=45.85, samples=125 iops : min= 1, max= 13, avg= 5.50, stdev= 2.92, samples=125 lat (msec) : 10=2.73%, 20=15.36%, 50=22.27%, 100=27.08%, 250=29.69% lat (msec) : 500=2.73%, 750=0.13% cpu : usr=0.02%, sys=1.34%, ctx=1373, 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=144517: Thu Aug 27 11:42:39 2026 read: IOPS=5, BW=89.6KiB/s (91.8kB/s)(5744KiB/64079msec) clat (msec): min=5, max=308, avg=36.77, stdev=37.53 lat (msec): min=5, max=308, avg=36.77, stdev=37.52 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 24], 60.00th=[ 30], | 70.00th=[ 37], 80.00th=[ 48], 90.00th=[ 77], 95.00th=[ 124], | 99.00th=[ 194], 99.50th=[ 220], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 21, max= 409, per=28.10%, avg=104.82, stdev=68.38, samples=107 iops : min= 1, max= 25, avg= 5.80, stdev= 4.33, samples=107 write: IOPS=6, BW=102KiB/s (105kB/s)(6544KiB/64079msec); 0 zone resets clat (msec): min=32, max=676, avg=123.72, stdev=66.58 lat (msec): min=32, max=676, avg=123.73, stdev=66.58 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 57], 10.00th=[ 64], 20.00th=[ 75], | 30.00th=[ 86], 40.00th=[ 95], 50.00th=[ 106], 60.00th=[ 121], | 70.00th=[ 138], 80.00th=[ 165], 90.00th=[ 203], 95.00th=[ 249], | 99.00th=[ 347], 99.50th=[ 409], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 31, max= 223, per=26.18%, avg=102.88, stdev=48.98, samples=124 iops : min= 1, max= 13, avg= 5.66, stdev= 3.12, samples=124 lat (msec) : 10=3.26%, 20=16.15%, 50=20.57%, 100=27.47%, 250=29.82% lat (msec) : 500=2.60%, 750=0.13% cpu : usr=0.04%, sys=1.27%, ctx=1301, 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=144518: Thu Aug 27 11:42:39 2026 read: IOPS=6, BW=103KiB/s (105kB/s)(6256KiB/60945msec) clat (msec): min=5, max=196, avg=31.10, stdev=24.89 lat (msec): min=5, max=196, avg=31.10, stdev=24.88 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 42], 90.00th=[ 60], 95.00th=[ 81], | 99.00th=[ 144], 99.50th=[ 180], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 30, max= 382, per=29.56%, avg=110.25, stdev=78.69, samples=112 iops : min= 1, max= 23, avg= 6.13, stdev= 4.99, samples=112 write: IOPS=6, BW=98.0KiB/s (101kB/s)(6032KiB/60945msec); 0 zone resets clat (msec): min=37, max=591, avg=128.84, stdev=65.64 lat (msec): min=37, max=591, avg=128.85, stdev=65.64 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 59], 10.00th=[ 67], 20.00th=[ 78], | 30.00th=[ 91], 40.00th=[ 103], 50.00th=[ 115], 60.00th=[ 127], | 70.00th=[ 140], 80.00th=[ 167], 90.00th=[ 215], 95.00th=[ 247], | 99.00th=[ 359], 99.50th=[ 376], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 30, max= 192, per=25.29%, avg=99.39, stdev=39.79, samples=119 iops : min= 1, max= 12, avg= 5.45, stdev= 2.58, samples=119 lat (msec) : 10=2.47%, 20=16.93%, 50=25.26%, 100=23.18%, 250=30.08% lat (msec) : 500=1.95%, 750=0.13% cpu : usr=0.05%, sys=1.37%, ctx=1334, 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=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=144519: Thu Aug 27 11:42:39 2026 read: IOPS=5, BW=95.6KiB/s (97.9kB/s)(6032KiB/63066msec) clat (msec): min=6, max=578, avg=37.55, stdev=43.81 lat (msec): min=6, max=578, avg=37.55, stdev=43.81 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 31], | 70.00th=[ 37], 80.00th=[ 50], 90.00th=[ 74], 95.00th=[ 111], | 99.00th=[ 188], 99.50th=[ 309], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 30, max= 288, per=27.83%, avg=103.80, stdev=64.63, samples=113 iops : min= 1, max= 18, avg= 5.73, stdev= 4.10, samples=113 write: IOPS=6, BW=99.2KiB/s (102kB/s)(6256KiB/63066msec); 0 zone resets clat (msec): min=41, max=381, avg=124.70, stdev=58.98 lat (msec): min=41, max=381, avg=124.70, stdev=58.98 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 63], 10.00th=[ 69], 20.00th=[ 80], | 30.00th=[ 89], 40.00th=[ 100], 50.00th=[ 111], 60.00th=[ 124], | 70.00th=[ 140], 80.00th=[ 157], 90.00th=[ 194], 95.00th=[ 247], | 99.00th=[ 351], 99.50th=[ 376], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 30, max= 224, per=25.60%, avg=100.59, stdev=45.54, samples=122 iops : min= 1, max= 14, avg= 5.52, stdev= 2.92, samples=122 lat (msec) : 10=3.39%, 20=13.80%, 50=22.53%, 100=27.08%, 250=30.47% lat (msec) : 500=2.60%, 750=0.13% cpu : usr=0.05%, sys=1.28%, ctx=1372, 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=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=374KiB/s (383kB/s), 89.6KiB/s-103KiB/s (91.8kB/s-105kB/s), io=23.4MiB (24.5MB), run=60945-64079msec WRITE: bw=393KiB/s (403kB/s), 98.0KiB/s-102KiB/s (101kB/s-105kB/s), io=24.6MiB (25.8MB), run=60945-64079msec 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=144545: Thu Aug 27 11:42:53 2026 read: IOPS=2, BW=2613KiB/s (2676kB/s)(7168KiB/2743msec) clat (usec): min=397, max=318610, avg=113406.22, stdev=136160.66 lat (usec): min=399, max=318613, avg=113408.01, stdev=136160.82 clat percentiles (usec): | 1.00th=[ 400], 5.00th=[ 400], 10.00th=[ 400], 20.00th=[ 799], | 30.00th=[ 2835], 40.00th=[ 2835], 50.00th=[ 65274], 60.00th=[122160], | 70.00th=[122160], 80.00th=[283116], 90.00th=[316670], 95.00th=[316670], | 99.00th=[316670], 99.50th=[316670], 99.90th=[316670], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 1950, max= 4015, per=62.17%, avg=2990.25, stdev=1148.39, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1867KiB/s (1911kB/s)(5120KiB/2743msec); 0 zone resets clat (msec): min=261, max=398, avg=320.08, stdev=50.99 lat (msec): min=261, max=398, avg=320.14, stdev=51.00 clat percentiles (msec): | 1.00th=[ 262], 5.00th=[ 262], 10.00th=[ 262], 20.00th=[ 262], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 305], | 70.00th=[ 338], 80.00th=[ 338], 90.00th=[ 397], 95.00th=[ 397], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 2007, max= 4087, per=40.25%, avg=2711.00, stdev=1191.76, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 500=8.33%, 1000=8.33% lat (msec) : 4=8.33%, 100=8.33%, 250=8.33%, 500=58.33% cpu : usr=0.00%, sys=14.41%, ctx=134, 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=144546: Thu Aug 27 11:42:53 2026 read: IOPS=0, BW=481KiB/s (493kB/s)(2048KiB/4257msec) clat (msec): min=2, max=660, avg=331.49, stdev=465.91 lat (msec): min=2, max=660, avg=331.51, stdev=465.93 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 3], 40.00th=[ 3], 50.00th=[ 3], 60.00th=[ 659], | 70.00th=[ 659], 80.00th=[ 659], 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= 1976, max= 2043, per=41.78%, avg=2009.50, stdev=47.38, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2405KiB/s (2463kB/s)(10.0MiB/4257msec); 0 zone resets clat (msec): min=159, max=566, avg=324.02, stdev=153.67 lat (msec): min=160, max=566, avg=324.31, stdev=153.54 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 165], | 30.00th=[ 167], 40.00th=[ 230], 50.00th=[ 271], 60.00th=[ 292], | 70.00th=[ 405], 80.00th=[ 477], 90.00th=[ 510], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 2043, max= 6107, per=54.52%, avg=3671.80, stdev=1701.06, samples=5 iops : min= 1, max= 5, avg= 2.60, stdev= 1.67, samples=5 lat (msec) : 4=8.33%, 250=33.33%, 500=33.33%, 750=25.00% cpu : usr=0.07%, sys=15.23%, ctx=125, 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=144547: Thu Aug 27 11:42:53 2026 read: IOPS=1, BW=1912KiB/s (1958kB/s)(6144KiB/3214msec) clat (usec): min=585, max=475716, avg=208127.69, stdev=186936.66 lat (usec): min=587, max=475717, avg=208129.14, stdev=186936.72 clat percentiles (usec): | 1.00th=[ 586], 5.00th=[ 586], 10.00th=[ 586], 20.00th=[ 938], | 30.00th=[ 938], 40.00th=[189793], 50.00th=[189793], 60.00th=[250610], | 70.00th=[329253], 80.00th=[329253], 90.00th=[476054], 95.00th=[476054], | 99.00th=[476054], 99.50th=[476054], 99.90th=[476054], 99.95th=[476054], | 99.99th=[476054] bw ( KiB/s): min= 1976, max= 4087, per=52.56%, avg=2528.25, stdev=1039.53, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1912KiB/s (1958kB/s)(6144KiB/3214msec); 0 zone resets clat (msec): min=179, max=707, avg=319.04, stdev=193.60 lat (msec): min=179, max=707, avg=319.13, stdev=193.61 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 180], 10.00th=[ 180], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 251], 50.00th=[ 251], 60.00th=[ 255], | 70.00th=[ 288], 80.00th=[ 288], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 1976, max= 3946, per=37.15%, avg=2502.00, stdev=963.18, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33%, 1000=8.33% lat (msec) : 250=41.67%, 500=33.33%, 750=8.33% cpu : usr=0.06%, sys=16.12%, ctx=201, 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=144548: Thu Aug 27 11:42:53 2026 read: IOPS=2, BW=2064KiB/s (2113kB/s)(5120KiB/2481msec) clat (usec): min=325, max=291727, avg=59453.52, stdev=129856.71 lat (usec): min=325, max=291728, avg=59454.49, stdev=129856.94 clat percentiles (usec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 392], 40.00th=[ 392], 50.00th=[ 416], 60.00th=[ 416], | 70.00th=[ 4424], 80.00th=[ 4424], 90.00th=[291505], 95.00th=[291505], | 99.00th=[291505], 99.50th=[291505], 99.90th=[291505], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2889KiB/s (2958kB/s)(7168KiB/2481msec); 0 zone resets clat (msec): min=144, max=392, avg=303.84, stdev=92.73 lat (msec): min=144, max=393, avg=304.10, stdev=92.86 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 205], | 30.00th=[ 313], 40.00th=[ 313], 50.00th=[ 359], 60.00th=[ 359], | 70.00th=[ 359], 80.00th=[ 359], 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= 2805, max= 4079, per=53.75%, avg=3620.00, stdev=707.69, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 lat (usec) : 500=25.00% lat (msec) : 10=8.33%, 250=16.67%, 500=50.00% cpu : usr=0.00%, sys=19.23%, ctx=143, 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=4811KiB/s (4926kB/s), 481KiB/s-2613KiB/s (493kB/s-2676kB/s), io=20.0MiB (20.0MB), run=2481-4257msec WRITE: bw=6735KiB/s (6897kB/s), 1867KiB/s-2889KiB/s (1911kB/s-2958kB/s), io=28.0MiB (29.4MB), run=2481-4257msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144549: Thu Aug 27 11:42:54 2026 read: IOPS=1, BW=1440KiB/s (1474kB/s)(7168KiB/4978msec) clat (msec): min=58, max=835, avg=458.67, stdev=292.97 lat (msec): min=58, max=835, avg=458.67, stdev=292.97 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 59], 10.00th=[ 59], 20.00th=[ 118], | 30.00th=[ 405], 40.00th=[ 405], 50.00th=[ 477], 60.00th=[ 575], | 70.00th=[ 575], 80.00th=[ 743], 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= 2015, max= 2043, per=49.48%, avg=2035.67, stdev=11.98, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 write: IOPS=1, BW=1029KiB/s (1053kB/s)(5120KiB/4978msec); 0 zone resets clat (msec): min=150, max=750, avg=302.57, stdev=255.49 lat (msec): min=150, max=750, avg=302.68, stdev=255.47 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 150], | 30.00th=[ 159], 40.00th=[ 159], 50.00th=[ 176], 60.00th=[ 176], | 70.00th=[ 279], 80.00th=[ 279], 90.00th=[ 751], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 2023, max= 6131, per=70.79%, avg=4077.00, stdev=2904.79, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 lat (msec) : 100=8.33%, 250=33.33%, 500=25.00%, 750=16.67%, 1000=16.67% cpu : usr=0.04%, sys=2.97%, ctx=83, 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=144550: Thu Aug 27 11:42:54 2026 read: IOPS=0, BW=518KiB/s (530kB/s)(2048KiB/3955msec) clat (msec): min=107, max=685, avg=396.32, stdev=408.32 lat (msec): min=107, max=685, avg=396.32, stdev=408.32 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 108], 10.00th=[ 108], 20.00th=[ 108], | 30.00th=[ 108], 40.00th=[ 108], 50.00th=[ 108], 60.00th=[ 684], | 70.00th=[ 684], 80.00th=[ 684], 90.00th=[ 684], 95.00th=[ 684], | 99.00th=[ 684], 99.50th=[ 684], 99.90th=[ 684], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 2043, max= 2043, per=49.66%, avg=2043.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2589KiB/s (2651kB/s)(10.0MiB/3955msec); 0 zone resets clat (msec): min=154, max=458, avg=307.34, stdev=118.14 lat (msec): min=154, max=458, avg=307.77, stdev=118.37 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 184], | 30.00th=[ 186], 40.00th=[ 228], 50.00th=[ 262], 60.00th=[ 351], | 70.00th=[ 393], 80.00th=[ 418], 90.00th=[ 447], 95.00th=[ 460], | 99.00th=[ 460], 99.50th=[ 460], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 2023, max= 4096, per=53.03%, avg=3053.83, stdev=1114.86, samples=6 iops : min= 1, max= 4, avg= 2.17, stdev= 1.33, samples=6 lat (msec) : 250=41.67%, 500=50.00%, 750=8.33% cpu : usr=0.08%, sys=5.49%, ctx=75, 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=144551: Thu Aug 27 11:42:54 2026 read: IOPS=1, BW=1422KiB/s (1456kB/s)(6144KiB/4322msec) clat (msec): min=177, max=754, avg=306.45, stdev=222.88 lat (msec): min=177, max=754, avg=306.45, stdev=222.88 clat percentiles (msec): | 1.00th=[ 178], 5.00th=[ 178], 10.00th=[ 178], 20.00th=[ 184], | 30.00th=[ 184], 40.00th=[ 199], 50.00th=[ 199], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 271], 90.00th=[ 751], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 2027, max= 4031, per=61.67%, avg=2537.25, stdev=995.87, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 write: IOPS=1, BW=1422KiB/s (1456kB/s)(6144KiB/4322msec); 0 zone resets clat (msec): min=191, max=591, avg=378.34, stdev=184.12 lat (msec): min=191, max=591, avg=378.45, stdev=184.13 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 192], 10.00th=[ 192], 20.00th=[ 222], | 30.00th=[ 222], 40.00th=[ 247], 50.00th=[ 247], 60.00th=[ 430], | 70.00th=[ 592], 80.00th=[ 592], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 2015, max= 4087, per=42.42%, avg=2443.00, stdev=919.10, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=50.00%, 500=25.00%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=4.05%, ctx=96, 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=144552: Thu Aug 27 11:42:54 2026 read: IOPS=1, BW=1095KiB/s (1121kB/s)(5120KiB/4676msec) clat (msec): min=52, max=633, avg=290.00, stdev=260.03 lat (msec): min=52, max=633, avg=290.01, stdev=260.03 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 53], 10.00th=[ 53], 20.00th=[ 53], | 30.00th=[ 129], 40.00th=[ 129], 50.00th=[ 133], 60.00th=[ 133], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 634], 95.00th=[ 634], | 99.00th=[ 634], 99.50th=[ 634], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 2023, max= 4031, per=65.61%, avg=2699.00, stdev=1153.59, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1533KiB/s (1570kB/s)(7168KiB/4676msec); 0 zone resets clat (msec): min=161, max=746, avg=436.59, stdev=224.47 lat (msec): min=161, max=746, avg=436.68, stdev=224.46 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 163], 10.00th=[ 163], 20.00th=[ 228], | 30.00th=[ 255], 40.00th=[ 255], 50.00th=[ 477], 60.00th=[ 567], | 70.00th=[ 567], 80.00th=[ 625], 90.00th=[ 743], 95.00th=[ 743], | 99.00th=[ 743], 99.50th=[ 743], 99.90th=[ 743], 99.95th=[ 743], | 99.99th=[ 743] bw ( KiB/s): min= 2027, max= 4087, per=44.30%, avg=2551.25, stdev=1023.87, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 100=8.33%, 250=33.33%, 500=16.67%, 750=41.67% cpu : usr=0.02%, sys=5.60%, ctx=121, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4114KiB/s (4213kB/s), 518KiB/s-1440KiB/s (530kB/s-1474kB/s), io=20.0MiB (20.0MB), run=3955-4978msec WRITE: bw=5760KiB/s (5898kB/s), 1029KiB/s-2589KiB/s (1053kB/s-2651kB/s), io=28.0MiB (29.4MB), run=3955-4978msec 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=144562: Thu Aug 27 11:43:09 2026 read: IOPS=0, BW=3575KiB/s (3661kB/s)(12.0MiB/3437msec) clat (msec): min=586, max=1675, avg=1055.07, stdev=560.48 lat (msec): min=586, max=1675, avg=1055.07, stdev=560.48 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 584], 10.00th=[ 584], 20.00th=[ 584], | 30.00th=[ 584], 40.00th=[ 902], 50.00th=[ 902], 60.00th=[ 902], | 70.00th=[ 1670], 80.00th=[ 1670], 90.00th=[ 1670], 95.00th=[ 1670], | 99.00th=[ 1670], 99.50th=[ 1670], 99.90th=[ 1670], 99.95th=[ 1670], | 99.99th=[ 1670] bw ( KiB/s): min= 8078, max= 8159, per=100.00%, avg=8118.50, stdev=57.28, 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=3.23%, ctx=66, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144564: Thu Aug 27 11:43:09 2026 read: IOPS=0, BW=1144KiB/s (1172kB/s)(4096KiB/3579msec) clat (nsec): min=1034.2M, max=1034.2M, avg=1034156398.00, stdev= 0.00 lat (nsec): min=1034.2M, max=1034.2M, avg=1034158860.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1036], 5.00th=[ 1036], 10.00th=[ 1036], 20.00th=[ 1036], | 30.00th=[ 1036], 40.00th=[ 1036], 50.00th=[ 1036], 60.00th=[ 1036], | 70.00th=[ 1036], 80.00th=[ 1036], 90.00th=[ 1036], 95.00th=[ 1036], | 99.00th=[ 1036], 99.50th=[ 1036], 99.90th=[ 1036], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7892, max= 7892, per=100.00%, avg=7892.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2289KiB/s (2344kB/s)(8192KiB/3579msec); 0 zone resets clat (msec): min=533, max=1866, avg=1200.09, stdev=942.16 lat (msec): min=534, max=1866, avg=1200.54, stdev=942.11 clat percentiles (msec): | 1.00th=[ 535], 5.00th=[ 535], 10.00th=[ 535], 20.00th=[ 535], | 30.00th=[ 535], 40.00th=[ 535], 50.00th=[ 535], 60.00th=[ 1871], | 70.00th=[ 1871], 80.00th=[ 1871], 90.00th=[ 1871], 95.00th=[ 1871], | 99.00th=[ 1871], 99.50th=[ 1871], 99.90th=[ 1871], 99.95th=[ 1871], | 99.99th=[ 1871] bw ( KiB/s): min= 8126, max= 8126, per=88.76%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.27%, ctx=43, 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=144565: Thu Aug 27 11:43:09 2026 write: IOPS=1, BW=5769KiB/s (5907kB/s)(12.0MiB/2130msec); 0 zone resets clat (msec): min=256, max=1512, avg=683.99, stdev=717.67 lat (msec): min=257, max=1512, avg=684.37, stdev=717.54 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 284], 50.00th=[ 284], 60.00th=[ 284], | 70.00th=[ 1519], 80.00th=[ 1519], 90.00th=[ 1519], 95.00th=[ 1519], | 99.00th=[ 1519], 99.50th=[ 1519], 99.90th=[ 1519], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 6826, max= 8175, per=81.93%, avg=7500.50, stdev=953.89, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=5.12%, ctx=39, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144567: Thu Aug 27 11:43:09 2026 write: IOPS=0, BW=3455KiB/s (3538kB/s)(12.0MiB/3557msec); 0 zone resets clat (msec): min=872, max=1313, avg=1079.09, stdev=222.07 lat (msec): min=872, max=1314, avg=1079.60, stdev=222.25 clat percentiles (msec): | 1.00th=[ 869], 5.00th=[ 869], 10.00th=[ 869], 20.00th=[ 869], | 30.00th=[ 869], 40.00th=[ 1053], 50.00th=[ 1053], 60.00th=[ 1053], | 70.00th=[ 1318], 80.00th=[ 1318], 90.00th=[ 1318], 95.00th=[ 1318], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 7892, max= 8078, per=87.22%, avg=7985.00, stdev=131.52, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=4.72%, ctx=62, 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=4578KiB/s (4688kB/s), 1144KiB/s-3575KiB/s (1172kB/s-3661kB/s), io=16.0MiB (16.8MB), run=3437-3579msec WRITE: bw=9156KiB/s (9375kB/s), 2289KiB/s-5769KiB/s (2344kB/s-5907kB/s), io=32.0MiB (33.6MB), run=2130-3579msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144560: Thu Aug 27 11:43:09 2026 read: IOPS=1, BW=4570KiB/s (4679kB/s)(12.0MiB/2689msec) clat (msec): min=774, max=879, avg=824.69, stdev=53.06 lat (msec): min=774, max=879, avg=824.69, stdev=53.06 clat percentiles (msec): | 1.00th=[ 776], 5.00th=[ 776], 10.00th=[ 776], 20.00th=[ 776], | 30.00th=[ 776], 40.00th=[ 818], 50.00th=[ 818], 60.00th=[ 818], | 70.00th=[ 877], 80.00th=[ 877], 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= 8110, max= 8175, per=100.00%, avg=8142.50, stdev=45.96, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=100.00% cpu : usr=0.00%, sys=15.59%, ctx=480, 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=144561: Thu Aug 27 11:43:09 2026 read: IOPS=0, BW=1009KiB/s (1033kB/s)(4096KiB/4061msec) clat (nsec): min=697075k, max=697075k, avg=697075231.00, stdev= 0.00 lat (nsec): min=697078k, max=697078k, avg=697077610.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 701], 95.00th=[ 701], | 99.00th=[ 701], 99.50th=[ 701], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2017KiB/s (2066kB/s)(8192KiB/4061msec); 0 zone resets clat (msec): min=297, max=2678, avg=1488.21, stdev=1683.70 lat (msec): min=297, max=2680, avg=1489.19, stdev=1684.76 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 296], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 296], 60.00th=[ 2668], | 70.00th=[ 2668], 80.00th=[ 2668], 90.00th=[ 2668], 95.00th=[ 2668], | 99.00th=[ 2668], 99.50th=[ 2668], 99.90th=[ 2668], 99.95th=[ 2668], | 99.99th=[ 2668] lat (msec) : 500=33.33%, 750=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=4.58%, ctx=146, 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=144563: Thu Aug 27 11:43:09 2026 write: IOPS=0, BW=2993KiB/s (3065kB/s)(12.0MiB/4105msec); 0 zone resets clat (msec): min=408, max=2693, avg=1336.18, stdev=1201.52 lat (msec): min=409, max=2694, avg=1336.84, stdev=1201.88 clat percentiles (msec): | 1.00th=[ 409], 5.00th=[ 409], 10.00th=[ 409], 20.00th=[ 409], | 30.00th=[ 409], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 2702], 80.00th=[ 2702], 90.00th=[ 2702], 95.00th=[ 2702], | 99.00th=[ 2702], 99.50th=[ 2702], 99.90th=[ 2702], 99.95th=[ 2702], | 99.99th=[ 2702] bw ( KiB/s): min= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.44%, ctx=73, 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=144566: Thu Aug 27 11:43:09 2026 write: IOPS=0, BW=3992KiB/s (4088kB/s)(12.0MiB/3078msec); 0 zone resets clat (msec): min=318, max=1955, avg=961.32, stdev=873.29 lat (msec): min=318, max=1955, avg=961.78, stdev=873.28 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 317], 10.00th=[ 317], 20.00th=[ 317], | 30.00th=[ 317], 40.00th=[ 609], 50.00th=[ 609], 60.00th=[ 609], | 70.00th=[ 1955], 80.00th=[ 1955], 90.00th=[ 1955], 95.00th=[ 1955], | 99.00th=[ 1955], 99.50th=[ 1955], 99.90th=[ 1955], 99.95th=[ 1955], | 99.99th=[ 1955] bw ( KiB/s): min= 7366, max= 8110, per=96.94%, avg=7738.00, stdev=526.09, 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=4.22%, ctx=52, 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=4034KiB/s (4131kB/s), 1009KiB/s-4570KiB/s (1033kB/s-4679kB/s), io=16.0MiB (16.8MB), run=2689-4061msec WRITE: bw=7982KiB/s (8174kB/s), 2017KiB/s-3992KiB/s (2066kB/s-4088kB/s), io=32.0MiB (33.6MB), run=3078-4105msec