== sanity test 398b: DIO and buffer IO race ============== 19:30:55 (1773617455) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 7.91599 s, 6.4 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=180829: Sun Mar 15 19:33:29 2026 read: IOPS=11, BW=46.4KiB/s (47.5kB/s)(5992KiB/129043msec) clat (usec): min=36, max=278300, avg=47953.76, stdev=29756.47 lat (usec): min=36, max=278302, avg=47957.77, stdev=29758.63 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 14091], 10.00th=[ 19268], 20.00th=[ 25035], | 30.00th=[ 30802], 40.00th=[ 36439], 50.00th=[ 43254], 60.00th=[ 49546], | 70.00th=[ 56361], 80.00th=[ 66323], 90.00th=[ 83362], 95.00th=[104334], | 99.00th=[152044], 99.50th=[168821], 99.90th=[219153], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 7, max= 93, per=25.26%, avg=46.23, stdev=17.44, samples=253 iops : min= 1, max= 23, avg=10.91, stdev= 4.40, samples=253 write: IOPS=12, BW=48.8KiB/s (49.0kB/s)(6296KiB/129043msec); 0 zone resets clat (usec): min=993, max=1188.3k, avg=35991.15, stdev=45409.57 lat (usec): min=995, max=1188.3k, avg=35994.97, stdev=45410.16 clat percentiles (usec): | 1.00th=[ 1467], 5.00th=[ 1795], 10.00th=[ 2638], | 20.00th=[ 5538], 30.00th=[ 8979], 40.00th=[ 16909], | 50.00th=[ 26084], 60.00th=[ 34866], 70.00th=[ 44827], | 80.00th=[ 60031], 90.00th=[ 84411], 95.00th=[ 103285], | 99.00th=[ 149947], 99.50th=[ 166724], 99.90th=[ 252707], | 99.95th=[1182794], 99.99th=[1182794] bw ( KiB/s): min= 7, max= 117, per=25.39%, avg=48.75, stdev=21.01, samples=252 iops : min= 1, max= 29, avg=11.54, stdev= 5.31, samples=252 lat (usec) : 50=0.13%, 100=1.53%, 250=0.10%, 500=0.07%, 1000=0.10% lat (msec) : 2=3.52%, 4=4.36%, 10=8.24%, 20=9.47%, 50=39.71% lat (msec) : 100=27.25%, 250=5.44%, 500=0.07%, 2000=0.03% cpu : usr=0.09%, sys=6.38%, ctx=6895, 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=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=180830: Sun Mar 15 19:33:29 2026 read: IOPS=11, BW=46.3KiB/s (47.4kB/s)(5940KiB/128323msec) clat (usec): min=53, max=213985, avg=46898.68, stdev=28307.78 lat (usec): min=54, max=213986, avg=46912.44, stdev=28306.29 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 15139], 10.00th=[ 19268], 20.00th=[ 25035], | 30.00th=[ 29754], 40.00th=[ 34866], 50.00th=[ 41157], 60.00th=[ 47973], | 70.00th=[ 55313], 80.00th=[ 65274], 90.00th=[ 82314], 95.00th=[ 99091], | 99.00th=[145753], 99.50th=[158335], 99.90th=[208667], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 7, max= 102, per=25.26%, avg=46.22, stdev=17.74, samples=250 iops : min= 1, max= 25, avg=10.89, stdev= 4.46, samples=250 write: IOPS=12, BW=49.5KiB/s (50.7kB/s)(6348KiB/128323msec); 0 zone resets clat (usec): min=1243, max=1219.4k, avg=36599.96, stdev=45931.61 lat (usec): min=1245, max=1219.4k, avg=36608.69, stdev=45927.64 clat percentiles (usec): | 1.00th=[ 1450], 5.00th=[ 1795], 10.00th=[ 2507], | 20.00th=[ 5080], 30.00th=[ 9110], 40.00th=[ 18220], | 50.00th=[ 26346], 60.00th=[ 35390], 70.00th=[ 46924], | 80.00th=[ 61604], 90.00th=[ 84411], 95.00th=[ 107480], | 99.00th=[ 149947], 99.50th=[ 166724], 99.90th=[ 283116], | 99.95th=[1216349], 99.99th=[1216349] bw ( KiB/s): min= 7, max= 110, per=25.59%, avg=49.13, stdev=21.36, samples=251 iops : min= 1, max= 27, avg=11.63, stdev= 5.39, samples=251 lat (usec) : 100=1.30%, 250=0.10%, 500=0.03% lat (msec) : 2=3.39%, 4=4.49%, 10=8.53%, 20=9.28%, 50=40.56% lat (msec) : 100=26.82%, 250=5.44%, 500=0.03%, 2000=0.03% cpu : usr=0.10%, sys=6.47%, ctx=6977, 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=180834: Sun Mar 15 19:33:29 2026 read: IOPS=11, BW=46.8KiB/s (47.9kB/s)(6028KiB/128855msec) clat (usec): min=35, max=249330, avg=47578.03, stdev=30216.30 lat (usec): min=35, max=249332, avg=47581.68, stdev=30215.19 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 11469], 10.00th=[ 19792], 20.00th=[ 25297], | 30.00th=[ 30278], 40.00th=[ 35914], 50.00th=[ 41681], 60.00th=[ 47973], | 70.00th=[ 55837], 80.00th=[ 66847], 90.00th=[ 84411], 95.00th=[101188], | 99.00th=[145753], 99.50th=[183501], 99.90th=[231736], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 7, max= 103, per=25.54%, avg=46.73, stdev=17.71, samples=251 iops : min= 1, max= 25, avg=11.02, stdev= 4.46, samples=251 write: IOPS=12, BW=48.6KiB/s (49.7kB/s)(6260KiB/128855msec); 0 zone resets clat (usec): min=1039, max=1311.1k, avg=36192.05, stdev=46898.88 lat (usec): min=1040, max=1311.1k, avg=36198.06, stdev=46899.11 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1762], 10.00th=[ 2606], | 20.00th=[ 5145], 30.00th=[ 9110], 40.00th=[ 17433], | 50.00th=[ 26346], 60.00th=[ 34866], 70.00th=[ 46400], | 80.00th=[ 61604], 90.00th=[ 84411], 95.00th=[ 103285], | 99.00th=[ 139461], 99.50th=[ 164627], 99.90th=[ 227541], | 99.95th=[1317012], 99.99th=[1317012] bw ( KiB/s): min= 7, max= 132, per=25.22%, avg=48.42, stdev=21.58, samples=251 iops : min= 1, max= 33, avg=11.45, stdev= 5.43, samples=251 lat (usec) : 50=0.33%, 100=1.50%, 250=0.16%, 500=0.10%, 750=0.03% lat (usec) : 1000=0.07% lat (msec) : 2=3.94%, 4=4.36%, 10=8.01%, 20=8.66%, 50=40.49% lat (msec) : 100=26.79%, 250=5.53%, 2000=0.03% cpu : usr=0.09%, sys=6.24%, ctx=6903, 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=180836: Sun Mar 15 19:33:29 2026 read: IOPS=11, BW=46.3KiB/s (47.4kB/s)(6052KiB/130640msec) clat (usec): min=40, max=283195, avg=46854.64, stdev=29511.39 lat (usec): min=40, max=283197, avg=46859.67, stdev=29510.62 clat percentiles (usec): | 1.00th=[ 59], 5.00th=[ 10814], 10.00th=[ 18220], 20.00th=[ 24773], | 30.00th=[ 30278], 40.00th=[ 35914], 50.00th=[ 41157], 60.00th=[ 46924], | 70.00th=[ 55837], 80.00th=[ 65799], 90.00th=[ 83362], 95.00th=[101188], | 99.00th=[145753], 99.50th=[166724], 99.90th=[200279], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 7, max= 104, per=25.41%, avg=46.50, stdev=17.97, samples=254 iops : min= 1, max= 26, avg=10.97, stdev= 4.54, samples=254 write: IOPS=11, BW=47.7KiB/s (48.9kB/s)(6236KiB/130640msec); 0 zone resets clat (usec): min=1096, max=1317.6k, avg=37956.22, stdev=48328.83 lat (usec): min=1097, max=1317.6k, avg=37962.73, stdev=48326.86 clat percentiles (usec): | 1.00th=[ 1418], 5.00th=[ 1876], 10.00th=[ 2638], | 20.00th=[ 5997], 30.00th=[ 9503], 40.00th=[ 17957], | 50.00th=[ 27657], 60.00th=[ 36439], 70.00th=[ 47449], | 80.00th=[ 64750], 90.00th=[ 89654], 95.00th=[ 108528], | 99.00th=[ 156238], 99.50th=[ 168821], 99.90th=[ 202376], | 99.95th=[1317012], 99.99th=[1317012] bw ( KiB/s): min= 7, max= 111, per=24.95%, avg=47.90, stdev=19.00, samples=254 iops : min= 1, max= 27, avg=11.31, stdev= 4.78, samples=254 lat (usec) : 50=0.03%, 100=1.76%, 250=0.20%, 500=0.29%, 750=0.03% lat (msec) : 2=3.19%, 4=3.87%, 10=8.69%, 20=9.28%, 50=40.53% lat (msec) : 100=26.17%, 250=5.89%, 500=0.03%, 2000=0.03% cpu : usr=0.11%, sys=6.34%, ctx=7045, 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=184KiB/s (188kB/s), 46.3KiB/s-46.8KiB/s (47.4kB/s-47.9kB/s), io=23.4MiB (24.6MB), run=128323-130640msec WRITE: bw=192KiB/s (197kB/s), 47.7KiB/s-49.5KiB/s (48.9kB/s-50.7kB/s), io=24.6MiB (25.7MB), run=128323-130640msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180831: Sun Mar 15 19:34:04 2026 read: IOPS=9, BW=36.1KiB/s (37.0kB/s)(5992KiB/165801msec) clat (msec): min=5, max=1158, avg=44.62, stdev=50.25 lat (msec): min=5, max=1158, avg=44.62, stdev=50.25 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 48], 80.00th=[ 66], 90.00th=[ 103], 95.00th=[ 128], | 99.00th=[ 205], 99.50th=[ 232], 99.90th=[ 347], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 7, max= 151, per=25.27%, avg=36.38, stdev=27.70, samples=320 iops : min= 1, max= 37, avg= 8.43, stdev= 6.99, samples=320 write: IOPS=9, BW=37.0KiB/s (38.9kB/s)(6296KiB/165801msec); 0 zone resets clat (msec): min=11, max=364, avg=62.56, stdev=45.28 lat (msec): min=11, max=364, avg=62.57, stdev=45.28 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 20], 10.00th=[ 23], 20.00th=[ 28], | 30.00th=[ 32], 40.00th=[ 39], 50.00th=[ 48], 60.00th=[ 62], | 70.00th=[ 75], 80.00th=[ 94], 90.00th=[ 121], 95.00th=[ 150], | 99.00th=[ 226], 99.50th=[ 292], 99.90th=[ 330], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 7, max= 134, per=25.17%, avg=38.01, stdev=26.52, samples=322 iops : min= 1, max= 33, avg= 8.83, stdev= 6.70, samples=322 lat (msec) : 10=2.83%, 20=15.76%, 50=43.13%, 100=24.12%, 250=13.74% lat (msec) : 500=0.39%, 2000=0.03% cpu : usr=0.06%, sys=2.63%, ctx=5390, 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=180832: Sun Mar 15 19:34:04 2026 read: IOPS=8, BW=35.0KiB/s (36.8kB/s)(5940KiB/165082msec) clat (msec): min=5, max=1260, avg=43.01, stdev=50.26 lat (msec): min=5, max=1260, avg=43.01, stdev=50.26 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 19], 40.00th=[ 23], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 62], 90.00th=[ 94], 95.00th=[ 129], | 99.00th=[ 199], 99.50th=[ 215], 99.90th=[ 264], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 7, max= 151, per=25.60%, avg=36.86, stdev=28.00, samples=313 iops : min= 1, max= 37, avg= 8.55, stdev= 7.07, samples=313 write: IOPS=9, BW=38.5KiB/s (39.4kB/s)(6348KiB/165082msec); 0 zone resets clat (msec): min=12, max=348, avg=63.47, stdev=46.10 lat (msec): min=12, max=348, avg=63.47, stdev=46.10 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 20], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 32], 40.00th=[ 38], 50.00th=[ 48], 60.00th=[ 62], | 70.00th=[ 77], 80.00th=[ 97], 90.00th=[ 125], 95.00th=[ 150], | 99.00th=[ 220], 99.50th=[ 292], 99.90th=[ 321], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 7, max= 128, per=25.48%, avg=38.47, stdev=26.20, samples=320 iops : min= 1, max= 32, avg= 8.96, stdev= 6.63, samples=320 lat (msec) : 10=2.57%, 20=16.67%, 50=42.97%, 100=23.70%, 250=13.70% lat (msec) : 500=0.36%, 2000=0.03% cpu : usr=0.07%, sys=2.61%, ctx=5209, 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=180833: Sun Mar 15 19:34:04 2026 read: IOPS=9, BW=36.3KiB/s (37.2kB/s)(6028KiB/165991msec) clat (msec): min=5, max=347, avg=43.57, stdev=41.14 lat (msec): min=5, max=347, avg=43.58, stdev=41.14 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 47], 80.00th=[ 65], 90.00th=[ 97], 95.00th=[ 130], | 99.00th=[ 197], 99.50th=[ 243], 99.90th=[ 288], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 7, max= 160, per=25.76%, avg=37.09, stdev=27.02, samples=315 iops : min= 1, max= 40, avg= 8.60, stdev= 6.83, samples=315 write: IOPS=9, BW=37.7KiB/s (38.6kB/s)(6260KiB/165991msec); 0 zone resets clat (msec): min=10, max=1287, avg=63.79, stdev=56.93 lat (msec): min=10, max=1287, avg=63.79, stdev=56.93 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 20], 10.00th=[ 22], 20.00th=[ 27], | 30.00th=[ 32], 40.00th=[ 37], 50.00th=[ 47], 60.00th=[ 60], | 70.00th=[ 74], 80.00th=[ 96], 90.00th=[ 129], 95.00th=[ 161], | 99.00th=[ 222], 99.50th=[ 292], 99.90th=[ 418], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 7, max= 127, per=24.98%, avg=37.72, stdev=27.39, samples=321 iops : min= 1, max= 31, avg= 8.76, stdev= 6.91, samples=321 lat (msec) : 10=2.67%, 20=15.98%, 50=44.04%, 100=23.40%, 250=13.31% lat (msec) : 500=0.55%, 2000=0.03% cpu : usr=0.06%, sys=2.59%, ctx=5314, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180835: Sun Mar 15 19:34:04 2026 read: IOPS=9, BW=36.6KiB/s (37.5kB/s)(6052KiB/165253msec) clat (msec): min=5, max=282, avg=43.16, stdev=39.90 lat (msec): min=5, max=282, avg=43.17, stdev=39.90 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 29], 60.00th=[ 36], | 70.00th=[ 47], 80.00th=[ 65], 90.00th=[ 100], 95.00th=[ 129], | 99.00th=[ 194], 99.50th=[ 215], 99.90th=[ 271], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 7, max= 144, per=26.29%, avg=37.86, stdev=27.94, samples=311 iops : min= 1, max= 36, avg= 8.79, stdev= 7.06, samples=311 write: IOPS=9, BW=37.7KiB/s (38.6kB/s)(6236KiB/165253msec); 0 zone resets clat (msec): min=11, max=1288, avg=63.78, stdev=55.70 lat (msec): min=11, max=1288, avg=63.79, stdev=55.70 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 21], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 31], 40.00th=[ 38], 50.00th=[ 47], 60.00th=[ 62], | 70.00th=[ 75], 80.00th=[ 99], 90.00th=[ 127], 95.00th=[ 150], | 99.00th=[ 213], 99.50th=[ 271], 99.90th=[ 422], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 7, max= 119, per=24.91%, avg=37.62, stdev=26.69, samples=322 iops : min= 1, max= 29, avg= 8.74, stdev= 6.73, samples=322 lat (msec) : 10=2.51%, 20=17.32%, 50=42.35%, 100=23.37%, 250=14.00% lat (msec) : 500=0.42%, 2000=0.03% cpu : usr=0.06%, sys=2.57%, ctx=5191, 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=145KiB/s (148kB/s), 35.0KiB/s-36.6KiB/s (36.8kB/s-37.5kB/s), io=23.4MiB (24.6MB), run=165082-165991msec WRITE: bw=151KiB/s (155kB/s), 37.7KiB/s-38.5KiB/s (38.6kB/s-39.4kB/s), io=24.6MiB (25.7MB), run=165082-165991msec 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=180882: Sun Mar 15 19:34:44 2026 read: IOPS=12, BW=192KiB/s (197kB/s)(5920KiB/30825msec) clat (usec): min=27, max=150092, avg=42927.21, stdev=24729.01 lat (usec): min=27, max=150094, avg=42929.53, stdev=24729.64 clat percentiles (usec): | 1.00th=[ 60], 5.00th=[ 76], 10.00th=[ 16581], 20.00th=[ 24249], | 30.00th=[ 28967], 40.00th=[ 33817], 50.00th=[ 40109], 60.00th=[ 46400], | 70.00th=[ 55313], 80.00th=[ 61604], 90.00th=[ 73925], 95.00th=[ 84411], | 99.00th=[116917], 99.50th=[139461], 99.90th=[149947], 99.95th=[149947], | 99.99th=[149947] bw ( KiB/s): min= 63, max= 320, per=24.37%, avg=189.38, stdev=68.07, samples=60 iops : min= 3, max= 20, avg=11.10, stdev= 4.32, samples=60 write: IOPS=12, BW=207KiB/s (212kB/s)(6368KiB/30825msec); 0 zone resets clat (usec): min=1505, max=222217, avg=37469.24, stdev=34684.13 lat (usec): min=1506, max=222220, avg=37472.58, stdev=34686.62 clat percentiles (usec): | 1.00th=[ 1975], 5.00th=[ 2999], 10.00th=[ 4424], 20.00th=[ 7963], | 30.00th=[ 12518], 40.00th=[ 18744], 50.00th=[ 27657], 60.00th=[ 36963], | 70.00th=[ 47449], 80.00th=[ 60031], 90.00th=[ 90702], 95.00th=[112722], | 99.00th=[156238], 99.50th=[162530], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 31, max= 473, per=25.18%, avg=205.70, stdev=74.27, samples=60 iops : min= 1, max= 29, avg=12.13, stdev= 4.66, samples=60 lat (usec) : 50=0.13%, 100=2.73%, 250=0.39%, 500=0.39%, 750=0.13% lat (msec) : 2=0.65%, 4=3.91%, 10=8.85%, 20=11.72%, 50=40.49% lat (msec) : 100=26.17%, 250=4.43% cpu : usr=0.10%, sys=8.12%, ctx=1912, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180883: Sun Mar 15 19:34:44 2026 read: IOPS=11, BW=188KiB/s (193kB/s)(5744KiB/30477msec) clat (usec): min=45, max=165912, avg=44424.35, stdev=27738.88 lat (usec): min=46, max=165913, avg=44425.66, stdev=27739.06 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 69], 10.00th=[ 8979], 20.00th=[ 24773], | 30.00th=[ 30802], 40.00th=[ 35390], 50.00th=[ 40633], 60.00th=[ 45876], | 70.00th=[ 53216], 80.00th=[ 63177], 90.00th=[ 82314], 95.00th=[ 96994], | 99.00th=[131597], 99.50th=[154141], 99.90th=[166724], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 31, max= 412, per=24.07%, avg=187.03, stdev=71.80, samples=59 iops : min= 1, max= 25, avg=10.95, stdev= 4.53, samples=59 write: IOPS=13, BW=215KiB/s (220kB/s)(6544KiB/30477msec); 0 zone resets clat (msec): min=2, max=170, avg=35.30, stdev=31.24 lat (msec): min=2, max=170, avg=35.31, stdev=31.25 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 9], | 30.00th=[ 14], 40.00th=[ 21], 50.00th=[ 28], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 60], 90.00th=[ 75], 95.00th=[ 93], | 99.00th=[ 138], 99.50th=[ 148], 99.90th=[ 171], 99.95th=[ 171], | 99.99th=[ 171] bw ( KiB/s): min= 64, max= 384, per=25.66%, avg=209.64, stdev=71.07, samples=59 iops : min= 4, max= 24, avg=12.39, stdev= 4.51, samples=59 lat (usec) : 50=0.13%, 100=3.52%, 250=0.39%, 500=0.39% lat (msec) : 4=3.39%, 10=10.16%, 20=9.38%, 50=42.84%, 100=25.65% lat (msec) : 250=4.17% cpu : usr=0.09%, sys=8.21%, ctx=1899, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180884: Sun Mar 15 19:34:44 2026 read: IOPS=12, BW=207KiB/s (211kB/s)(6256KiB/30295msec) clat (usec): min=46, max=195632, avg=42482.87, stdev=24675.27 lat (usec): min=46, max=195633, avg=42484.13, stdev=24675.26 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 126], 10.00th=[ 19268], 20.00th=[ 24773], | 30.00th=[ 29754], 40.00th=[ 35390], 50.00th=[ 39060], 60.00th=[ 44827], | 70.00th=[ 50594], 80.00th=[ 59507], 90.00th=[ 69731], 95.00th=[ 84411], | 99.00th=[124257], 99.50th=[168821], 99.90th=[196084], 99.95th=[196084], | 99.99th=[196084] bw ( KiB/s): min= 63, max= 415, per=26.51%, avg=206.00, stdev=68.38, samples=59 iops : min= 3, max= 25, avg=12.15, stdev= 4.30, samples=59 write: IOPS=12, BW=199KiB/s (204kB/s)(6032KiB/30295msec); 0 zone resets clat (usec): min=1935, max=163262, avg=36170.08, stdev=31310.49 lat (usec): min=1937, max=163264, avg=36174.04, stdev=31311.73 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 9], | 30.00th=[ 14], 40.00th=[ 22], 50.00th=[ 28], 60.00th=[ 36], | 70.00th=[ 46], 80.00th=[ 63], 90.00th=[ 78], 95.00th=[ 102], | 99.00th=[ 140], 99.50th=[ 163], 99.90th=[ 163], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 63, max= 448, per=23.94%, avg=195.59, stdev=81.77, samples=59 iops : min= 3, max= 28, avg=11.49, stdev= 5.21, samples=59 lat (usec) : 50=0.39%, 100=1.69%, 250=0.78%, 500=0.13%, 750=0.26% lat (msec) : 2=0.13%, 4=3.39%, 10=8.20%, 20=10.16%, 50=45.31% lat (msec) : 100=25.91%, 250=3.65% cpu : usr=0.08%, sys=8.40%, ctx=1938, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180885: Sun Mar 15 19:34:44 2026 read: IOPS=12, BW=202KiB/s (207kB/s)(6032KiB/29813msec) clat (usec): min=42, max=152650, avg=40664.75, stdev=27571.31 lat (usec): min=42, max=152652, avg=40667.32, stdev=27571.25 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 63], 10.00th=[ 82], 20.00th=[ 22676], | 30.00th=[ 27657], 40.00th=[ 31589], 50.00th=[ 38011], 60.00th=[ 44303], | 70.00th=[ 51119], 80.00th=[ 58983], 90.00th=[ 72877], 95.00th=[ 83362], | 99.00th=[145753], 99.50th=[149947], 99.90th=[152044], 99.95th=[152044], | 99.99th=[152044] bw ( KiB/s): min= 31, max= 349, per=25.85%, avg=200.83, stdev=76.10, samples=58 iops : min= 1, max= 21, avg=11.81, stdev= 4.78, samples=58 write: IOPS=13, BW=210KiB/s (215kB/s)(6256KiB/29813msec); 0 zone resets clat (usec): min=1549, max=203308, avg=36863.79, stdev=31879.25 lat (usec): min=1550, max=203309, avg=36867.02, stdev=31878.34 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 6], 20.00th=[ 9], | 30.00th=[ 14], 40.00th=[ 21], 50.00th=[ 30], 60.00th=[ 39], | 70.00th=[ 48], 80.00th=[ 59], 90.00th=[ 80], 95.00th=[ 99], | 99.00th=[ 144], 99.50th=[ 157], 99.90th=[ 203], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 62, max= 349, per=25.64%, avg=209.48, stdev=68.31, samples=58 iops : min= 3, max= 21, avg=12.36, stdev= 4.30, samples=58 lat (usec) : 50=0.78%, 100=4.56%, 250=0.91%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=0.52%, 4=3.39%, 10=8.59%, 20=8.46%, 50=41.93% lat (msec) : 100=26.69%, 250=3.65% cpu : usr=0.08%, sys=8.53%, ctx=1954, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=777KiB/s (796kB/s), 188KiB/s-207KiB/s (193kB/s-211kB/s), io=23.4MiB (24.5MB), run=29813-30825msec WRITE: bw=818KiB/s (837kB/s), 199KiB/s-215KiB/s (204kB/s-220kB/s), io=24.6MiB (25.8MB), run=29813-30825msec fio: pid=180879, err=5/file:backend.c:481, func=full resid, error=Input/output error rand-rw: (groupid=0, jobs=1): err= 0: pid=180877: Sun Mar 15 19:34:53 2026 read: IOPS=9, BW=147KiB/s (150kB/s)(5920KiB/40316msec) clat (msec): min=7, max=211, avg=45.55, stdev=37.92 lat (msec): min=7, max=211, avg=45.55, stdev=37.92 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 39], | 70.00th=[ 49], 80.00th=[ 70], 90.00th=[ 106], 95.00th=[ 126], | 99.00th=[ 163], 99.50th=[ 207], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 31, max= 445, per=26.84%, avg=143.34, stdev=90.56, samples=79 iops : min= 1, max= 27, avg= 8.20, stdev= 5.69, samples=79 write: IOPS=9, BW=158KiB/s (162kB/s)(6368KiB/40316msec); 0 zone resets clat (msec): min=13, max=217, avg=58.77, stdev=37.79 lat (msec): min=13, max=217, avg=58.78, stdev=37.79 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 21], 10.00th=[ 24], 20.00th=[ 28], | 30.00th=[ 32], 40.00th=[ 39], 50.00th=[ 46], 60.00th=[ 57], | 70.00th=[ 69], 80.00th=[ 90], 90.00th=[ 116], 95.00th=[ 138], | 99.00th=[ 176], 99.50th=[ 203], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 31, max= 444, per=27.38%, avg=155.78, stdev=93.62, samples=79 iops : min= 1, max= 27, avg= 8.99, stdev= 5.87, samples=79 lat (msec) : 10=1.17%, 20=13.28%, 50=47.66%, 100=25.13%, 250=12.76% cpu : usr=0.05%, sys=3.08%, ctx=1372, 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=180878: Sun Mar 15 19:34:53 2026 read: IOPS=8, BW=143KiB/s (146kB/s)(5744KiB/40282msec) clat (msec): min=6, max=244, avg=42.33, stdev=35.64 lat (msec): min=6, max=244, avg=42.33, stdev=35.64 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 47], 80.00th=[ 60], 90.00th=[ 83], 95.00th=[ 114], | 99.00th=[ 190], 99.50th=[ 222], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 31, max= 508, per=27.10%, avg=144.74, stdev=94.91, samples=77 iops : min= 1, max= 31, avg= 8.30, stdev= 5.94, samples=77 write: IOPS=10, BW=162KiB/s (166kB/s)(6544KiB/40282msec); 0 zone resets clat (msec): min=13, max=229, avg=61.00, stdev=37.50 lat (msec): min=13, max=229, avg=61.00, stdev=37.51 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 23], 10.00th=[ 25], 20.00th=[ 29], | 30.00th=[ 35], 40.00th=[ 41], 50.00th=[ 49], 60.00th=[ 63], | 70.00th=[ 73], 80.00th=[ 91], 90.00th=[ 113], 95.00th=[ 136], | 99.00th=[ 176], 99.50th=[ 188], 99.90th=[ 230], 99.95th=[ 230], | 99.99th=[ 230] bw ( KiB/s): min= 31, max= 384, per=28.22%, avg=160.58, stdev=89.27, samples=79 iops : min= 1, max= 24, avg= 9.29, stdev= 5.65, samples=79 lat (msec) : 10=1.04%, 20=11.72%, 50=47.79%, 100=28.13%, 250=11.33% cpu : usr=0.08%, sys=3.13%, ctx=1342, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 5 (file:backend.c:481, func=full resid, error=Input/output error): pid=180879: Sun Mar 15 19:34:53 2026 read: IOPS=7, BW=119KiB/s (122kB/s)(3872KiB/32598msec) clat (msec): min=8, max=238, avg=57.35, stdev=43.17 lat (msec): min=8, max=238, avg=57.36, stdev=43.17 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 16], 10.00th=[ 20], 20.00th=[ 24], | 30.00th=[ 31], 40.00th=[ 36], 50.00th=[ 43], 60.00th=[ 52], | 70.00th=[ 63], 80.00th=[ 87], 90.00th=[ 118], 95.00th=[ 146], | 99.00th=[ 190], 99.50th=[ 224], 99.90th=[ 239], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 31, max= 444, per=22.16%, avg=118.33, stdev=71.45, samples=64 iops : min= 1, max= 27, avg= 6.63, stdev= 4.52, samples=64 write: IOPS=7, BW=116KiB/s (119kB/s)(3776KiB/32598msec); 0 zone resets clat (msec): min=14, max=305, avg=78.66, stdev=40.80 lat (msec): min=14, max=305, avg=78.66, stdev=40.80 clat percentiles (msec): | 1.00th=[ 23], 5.00th=[ 28], 10.00th=[ 36], 20.00th=[ 44], | 30.00th=[ 53], 40.00th=[ 60], 50.00th=[ 74], 60.00th=[ 84], | 70.00th=[ 93], 80.00th=[ 105], 90.00th=[ 132], 95.00th=[ 159], | 99.00th=[ 201], 99.50th=[ 213], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 31, max= 250, per=20.50%, avg=116.65, stdev=43.70, samples=63 iops : min= 1, max= 15, avg= 6.52, stdev= 2.78, samples=63 lat (msec) : 10=0.21%, 20=5.43%, 50=37.16%, 100=38.00%, 250=18.79% lat (msec) : 500=0.21% cpu : usr=0.04%, sys=2.60%, ctx=714, majf=0, minf=21 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=243,236,0,0 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=180880: Sun Mar 15 19:34:53 2026 read: IOPS=9, BW=150KiB/s (153kB/s)(6032KiB/40309msec) clat (msec): min=8, max=232, avg=43.35, stdev=33.76 lat (msec): min=8, max=232, avg=43.35, stdev=33.76 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 32], 60.00th=[ 38], | 70.00th=[ 47], 80.00th=[ 64], 90.00th=[ 92], 95.00th=[ 114], | 99.00th=[ 169], 99.50th=[ 203], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 30, max= 445, per=27.92%, avg=149.10, stdev=93.45, samples=78 iops : min= 1, max= 27, avg= 8.55, stdev= 5.88, samples=78 write: IOPS=9, BW=155KiB/s (159kB/s)(6256KiB/40309msec); 0 zone resets clat (msec): min=10, max=307, avg=60.96, stdev=41.53 lat (msec): min=10, max=307, avg=60.96, stdev=41.53 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 20], 10.00th=[ 23], 20.00th=[ 27], | 30.00th=[ 33], 40.00th=[ 39], 50.00th=[ 47], 60.00th=[ 60], | 70.00th=[ 74], 80.00th=[ 92], 90.00th=[ 121], 95.00th=[ 142], | 99.00th=[ 199], 99.50th=[ 209], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 31, max= 471, per=27.23%, avg=154.96, stdev=95.62, samples=78 iops : min= 1, max= 29, avg= 8.95, stdev= 6.01, samples=78 lat (msec) : 10=1.04%, 20=13.02%, 50=49.09%, 100=24.48%, 250=12.24% lat (msec) : 500=0.13% cpu : usr=0.08%, sys=3.00%, ctx=1355, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=535KiB/s (548kB/s), 119KiB/s-150KiB/s (122kB/s-153kB/s), io=21.1MiB (22.1MB), run=32598-40316msec WRITE: bw=569KiB/s (583kB/s), 116KiB/s-162KiB/s (119kB/s-166kB/s), io=22.4MiB (23.5MB), run=32598-40316msec 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=180897: Sun Mar 15 19:35:06 2026 read: IOPS=2, BW=2234KiB/s (2288kB/s)(7168KiB/3208msec) clat (usec): min=581, max=404385, avg=241095.53, stdev=131264.39 lat (usec): min=584, max=404386, avg=241097.16, stdev=131264.10 clat percentiles (usec): | 1.00th=[ 578], 5.00th=[ 578], 10.00th=[ 578], 20.00th=[149947], | 30.00th=[233833], 40.00th=[233833], 50.00th=[291505], 60.00th=[304088], | 70.00th=[304088], 80.00th=[304088], 90.00th=[404751], 95.00th=[404751], | 99.00th=[404751], 99.50th=[404751], 99.90th=[404751], 99.95th=[404751], | 99.99th=[404751] bw ( KiB/s): min= 1889, max= 4071, per=59.49%, avg=2930.50, stdev=1196.05, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1596KiB/s (1634kB/s)(5120KiB/3208msec); 0 zone resets clat (msec): min=168, max=432, avg=291.70, stdev=111.75 lat (msec): min=168, max=432, avg=291.79, stdev=111.73 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 228], 40.00th=[ 228], 50.00th=[ 247], 60.00th=[ 247], | 70.00th=[ 384], 80.00th=[ 384], 90.00th=[ 435], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 1889, max= 3968, per=37.71%, avg=2601.00, stdev=1184.20, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=50.00% cpu : usr=0.00%, sys=20.70%, ctx=196, 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=180898: Sun Mar 15 19:35:06 2026 read: IOPS=0, BW=493KiB/s (504kB/s)(2048KiB/4157msec) clat (msec): min=236, max=454, avg=345.55, stdev=154.26 lat (msec): min=236, max=454, avg=345.55, stdev=154.26 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 236], 10.00th=[ 236], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 236], 50.00th=[ 236], 60.00th=[ 456], | 70.00th=[ 456], 80.00th=[ 456], 90.00th=[ 456], 95.00th=[ 456], | 99.00th=[ 456], 99.50th=[ 456], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 1889, max= 1928, per=38.74%, avg=1908.50, stdev=27.58, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2463KiB/s (2522kB/s)(10.0MiB/4157msec); 0 zone resets clat (msec): min=142, max=804, avg=314.26, stdev=246.98 lat (msec): min=142, max=804, avg=314.37, stdev=246.98 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 167], | 30.00th=[ 176], 40.00th=[ 184], 50.00th=[ 224], 60.00th=[ 228], | 70.00th=[ 234], 80.00th=[ 234], 90.00th=[ 751], 95.00th=[ 802], | 99.00th=[ 802], 99.50th=[ 802], 99.90th=[ 802], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 1946, max= 4071, per=50.95%, avg=3514.00, stdev=1046.46, samples=4 iops : min= 1, max= 3, avg= 2.50, stdev= 1.00, samples=4 lat (msec) : 250=75.00%, 500=8.33%, 1000=16.67% cpu : usr=0.00%, sys=22.28%, ctx=205, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180899: Sun Mar 15 19:35:06 2026 read: IOPS=1, BW=1712KiB/s (1753kB/s)(6144KiB/3588msec) clat (msec): min=44, max=332, avg=158.36, stdev=121.64 lat (msec): min=45, max=332, avg=158.43, stdev=121.56 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 45], 10.00th=[ 45], 20.00th=[ 68], | 30.00th=[ 68], 40.00th=[ 104], 50.00th=[ 104], 60.00th=[ 112], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 334], 95.00th=[ 334], | 99.00th=[ 334], 99.50th=[ 334], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 1921, max= 4079, per=67.09%, avg=3305.00, stdev=1201.38, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1712KiB/s (1753kB/s)(6144KiB/3588msec); 0 zone resets clat (msec): min=168, max=911, avg=428.51, stdev=252.07 lat (msec): min=169, max=911, avg=428.58, stdev=252.07 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 338], | 30.00th=[ 338], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 409], | 70.00th=[ 409], 80.00th=[ 409], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 1426, max= 3842, per=32.20%, avg=2220.60, stdev=935.93, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 50=8.33%, 100=8.33%, 250=25.00%, 500=50.00%, 1000=8.33% cpu : usr=0.00%, sys=19.18%, ctx=152, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180900: Sun Mar 15 19:35:06 2026 read: IOPS=1, BW=1445KiB/s (1480kB/s)(5120KiB/3543msec) clat (msec): min=2, max=155, avg=80.49, stdev=74.39 lat (msec): min=2, max=155, avg=80.49, stdev=74.39 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 91], 60.00th=[ 91], | 70.00th=[ 148], 80.00th=[ 148], 90.00th=[ 157], 95.00th=[ 157], | 99.00th=[ 157], 99.50th=[ 157], 99.90th=[ 157], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 1921, max= 5873, per=79.11%, avg=3897.00, stdev=2794.49, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=2023KiB/s (2072kB/s)(7168KiB/3543msec); 0 zone resets clat (msec): min=147, max=759, avg=422.76, stdev=227.74 lat (msec): min=147, max=764, avg=425.14, stdev=229.58 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 161], | 30.00th=[ 300], 40.00th=[ 300], 50.00th=[ 498], 60.00th=[ 510], | 70.00th=[ 510], 80.00th=[ 584], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 1396, max= 3842, per=32.65%, avg=2252.20, stdev=927.88, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 4=8.33%, 10=8.33%, 100=8.33%, 250=33.33%, 500=16.67% lat (msec) : 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=18.63%, ctx=243, 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=4927KiB/s (5045kB/s), 493KiB/s-2234KiB/s (504kB/s-2288kB/s), io=20.0MiB (20.0MB), run=3208-4157msec WRITE: bw=6897KiB/s (7063kB/s), 1596KiB/s-2463KiB/s (1634kB/s-2522kB/s), io=28.0MiB (29.4MB), run=3208-4157msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180901: Sun Mar 15 19:35:07 2026 read: IOPS=1, BW=1637KiB/s (1676kB/s)(7168KiB/4379msec) clat (msec): min=79, max=411, avg=207.19, stdev=127.02 lat (msec): min=79, max=411, avg=207.20, stdev=127.02 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 80], 10.00th=[ 80], 20.00th=[ 83], | 30.00th=[ 114], 40.00th=[ 114], 50.00th=[ 186], 60.00th=[ 275], | 70.00th=[ 275], 80.00th=[ 305], 90.00th=[ 414], 95.00th=[ 414], | 99.00th=[ 414], 99.50th=[ 414], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 1780, max= 4063, per=59.11%, avg=2459.75, stdev=1074.19, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1169KiB/s (1197kB/s)(5120KiB/4379msec); 0 zone resets clat (msec): min=126, max=777, avg=568.93, stdev=274.80 lat (msec): min=126, max=777, avg=569.31, stdev=274.67 clat percentiles (msec): | 1.00th=[ 127], 5.00th=[ 127], 10.00th=[ 127], 20.00th=[ 127], | 30.00th=[ 481], 40.00th=[ 481], 50.00th=[ 693], 60.00th=[ 693], | 70.00th=[ 768], 80.00th=[ 768], 90.00th=[ 776], 95.00th=[ 776], | 99.00th=[ 776], 99.50th=[ 776], 99.90th=[ 776], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 1961, max= 2048, per=34.54%, avg=2012.25, stdev=43.18, samples=4 iops : min= 1, max= 2, avg= 1.50, stdev= 0.58, samples=4 lat (msec) : 100=16.67%, 250=25.00%, 500=33.33%, 750=8.33%, 1000=16.67% cpu : usr=0.02%, sys=7.67%, ctx=136, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180902: Sun Mar 15 19:35:07 2026 read: IOPS=0, BW=427KiB/s (438kB/s)(2048KiB/4792msec) clat (msec): min=195, max=792, avg=494.25, stdev=422.44 lat (msec): min=195, max=792, avg=494.25, stdev=422.44 clat percentiles (msec): | 1.00th=[ 197], 5.00th=[ 197], 10.00th=[ 197], 20.00th=[ 197], | 30.00th=[ 197], 40.00th=[ 197], 50.00th=[ 197], 60.00th=[ 793], | 70.00th=[ 793], 80.00th=[ 793], 90.00th=[ 793], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 2031, max= 2048, per=49.01%, avg=2039.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2137KiB/s (2188kB/s)(10.0MiB/4792msec); 0 zone resets clat (msec): min=101, max=646, avg=343.16, stdev=216.33 lat (msec): min=101, max=646, avg=343.25, stdev=216.33 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 102], 10.00th=[ 102], 20.00th=[ 117], | 30.00th=[ 136], 40.00th=[ 174], 50.00th=[ 251], 60.00th=[ 401], | 70.00th=[ 426], 80.00th=[ 550], 90.00th=[ 634], 95.00th=[ 651], | 99.00th=[ 651], 99.50th=[ 651], 99.90th=[ 651], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 1961, max= 6119, per=55.77%, avg=3249.40, stdev=1834.14, samples=5 iops : min= 1, max= 5, avg= 2.60, stdev= 1.52, samples=5 lat (msec) : 250=50.00%, 500=16.67%, 750=25.00%, 1000=8.33% cpu : usr=0.02%, sys=7.10%, ctx=118, 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=180903: Sun Mar 15 19:35:07 2026 read: IOPS=1, BW=1370KiB/s (1402kB/s)(6144KiB/4486msec) clat (msec): min=84, max=861, avg=281.59, stdev=296.80 lat (msec): min=84, max=861, avg=281.59, stdev=296.80 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 85], 10.00th=[ 85], 20.00th=[ 112], | 30.00th=[ 112], 40.00th=[ 130], 50.00th=[ 130], 60.00th=[ 176], | 70.00th=[ 330], 80.00th=[ 330], 90.00th=[ 860], 95.00th=[ 860], | 99.00th=[ 860], 99.50th=[ 860], 99.90th=[ 860], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 1992, max= 4071, per=64.98%, avg=2703.67, stdev=1184.48, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1370KiB/s (1402kB/s)(6144KiB/4486msec); 0 zone resets clat (msec): min=86, max=773, avg=387.71, stdev=266.19 lat (msec): min=86, max=773, avg=387.83, stdev=266.24 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 87], 10.00th=[ 87], 20.00th=[ 192], | 30.00th=[ 192], 40.00th=[ 230], 50.00th=[ 230], 60.00th=[ 439], | 70.00th=[ 609], 80.00th=[ 609], 90.00th=[ 776], 95.00th=[ 776], | 99.00th=[ 776], 99.50th=[ 776], 99.90th=[ 776], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 1961, max= 4063, per=46.18%, avg=2690.67, stdev=1189.27, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 lat (msec) : 100=16.67%, 250=41.67%, 500=16.67%, 750=8.33%, 1000=16.67% cpu : usr=0.09%, sys=6.20%, ctx=110, 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=180904: Sun Mar 15 19:35:07 2026 read: IOPS=1, BW=1040KiB/s (1065kB/s)(5120KiB/4921msec) clat (msec): min=71, max=641, avg=323.41, stdev=237.30 lat (msec): min=71, max=641, avg=323.41, stdev=237.30 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 72], 10.00th=[ 72], 20.00th=[ 72], | 30.00th=[ 178], 40.00th=[ 178], 50.00th=[ 230], 60.00th=[ 230], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 642], 95.00th=[ 642], | 99.00th=[ 642], 99.50th=[ 642], 99.90th=[ 642], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 2048, max= 6119, per=98.14%, avg=4083.50, stdev=2878.63, samples=2 iops : min= 2, max= 5, avg= 3.50, stdev= 2.12, samples=2 write: IOPS=1, BW=1457KiB/s (1492kB/s)(7168KiB/4921msec); 0 zone resets clat (msec): min=49, max=846, avg=416.81, stdev=369.42 lat (msec): min=54, max=846, avg=417.68, stdev=368.55 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 108], | 30.00th=[ 159], 40.00th=[ 159], 50.00th=[ 176], 60.00th=[ 785], | 70.00th=[ 785], 80.00th=[ 793], 90.00th=[ 844], 95.00th=[ 844], | 99.00th=[ 844], 99.50th=[ 844], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 1961, max= 4096, per=46.28%, avg=2696.00, stdev=1212.94, samples=3 iops : min= 1, max= 4, avg= 2.00, stdev= 1.73, samples=3 lat (msec) : 50=8.33%, 100=8.33%, 250=41.67%, 500=8.33%, 750=8.33% lat (msec) : 1000=25.00% cpu : usr=0.00%, sys=5.30%, ctx=83, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4162KiB/s (4262kB/s), 427KiB/s-1637KiB/s (438kB/s-1676kB/s), io=20.0MiB (20.0MB), run=4379-4921msec WRITE: bw=5826KiB/s (5966kB/s), 1169KiB/s-2137KiB/s (1197kB/s-2188kB/s), io=28.0MiB (29.4MB), run=4379-4921msec 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=180911: Sun Mar 15 19:35:19 2026 read: IOPS=1, BW=4983KiB/s (5103kB/s)(12.0MiB/2466msec) clat (msec): min=584, max=1025, avg=790.20, stdev=222.11 lat (msec): min=584, max=1025, avg=790.20, stdev=222.11 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 584], 10.00th=[ 584], 20.00th=[ 584], | 30.00th=[ 584], 40.00th=[ 760], 50.00th=[ 760], 60.00th=[ 760], | 70.00th=[ 1028], 80.00th=[ 1028], 90.00th=[ 1028], 95.00th=[ 1028], | 99.00th=[ 1028], 99.50th=[ 1028], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1028] 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) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=20.49%, ctx=444, 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=180912: Sun Mar 15 19:35:19 2026 read: IOPS=0, BW=1529KiB/s (1566kB/s)(4096KiB/2679msec) clat (nsec): min=680013k, max=680013k, avg=680012996.00, stdev= 0.00 lat (nsec): min=680017k, max=680017k, avg=680016643.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 684], 5.00th=[ 684], 10.00th=[ 684], 20.00th=[ 684], | 30.00th=[ 684], 40.00th=[ 684], 50.00th=[ 684], 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= 8062, max= 8062, per=100.00%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3058KiB/s (3131kB/s)(8192KiB/2679msec); 0 zone resets clat (msec): min=413, max=1506, avg=960.03, stdev=773.21 lat (msec): min=415, max=1507, avg=961.27, stdev=772.02 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 414], 10.00th=[ 414], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 414], 50.00th=[ 414], 60.00th=[ 1502], | 70.00th=[ 1502], 80.00th=[ 1502], 90.00th=[ 1502], 95.00th=[ 1502], | 99.00th=[ 1502], 99.50th=[ 1502], 99.90th=[ 1502], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 8062, max= 8062, per=65.91%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=7.84%, ctx=102, 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=180913: Sun Mar 15 19:35:19 2026 write: IOPS=1, BW=7062KiB/s (7232kB/s)(12.0MiB/1740msec); 0 zone resets clat (msec): min=411, max=695, avg=557.77, stdev=142.02 lat (msec): min=413, max=695, avg=558.79, stdev=141.32 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 414], 10.00th=[ 414], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 567], 50.00th=[ 567], 60.00th=[ 567], | 70.00th=[ 693], 80.00th=[ 693], 90.00th=[ 693], 95.00th=[ 693], | 99.00th=[ 693], 99.50th=[ 693], 99.90th=[ 693], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 7922, max= 8192, per=65.87%, avg=8057.00, stdev=190.92, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 750=66.67% cpu : usr=0.00%, sys=10.12%, ctx=71, 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=180915: Sun Mar 15 19:35:19 2026 write: IOPS=1, BW=6018KiB/s (6162kB/s)(12.0MiB/2042msec); 0 zone resets clat (msec): min=308, max=1333, avg=650.32, stdev=591.81 lat (msec): min=309, max=1339, avg=652.63, stdev=594.61 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 1334], 80.00th=[ 1334], 90.00th=[ 1334], 95.00th=[ 1334], | 99.00th=[ 1334], 99.50th=[ 1334], 99.90th=[ 1334], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 6301, max= 8192, per=59.25%, avg=7246.50, stdev=1337.14, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.00%, sys=8.33%, ctx=74, 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=6116KiB/s (6262kB/s), 1529KiB/s-4983KiB/s (1566kB/s-5103kB/s), io=16.0MiB (16.8MB), run=2466-2679msec WRITE: bw=11.9MiB/s (12.5MB/s), 3058KiB/s-7062KiB/s (3131kB/s-7232kB/s), io=32.0MiB (33.6MB), run=1740-2679msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180914: Sun Mar 15 19:35:19 2026 read: IOPS=1, BW=4412KiB/s (4518kB/s)(12.0MiB/2785msec) clat (msec): min=349, max=1453, avg=897.46, stdev=552.39 lat (msec): min=349, max=1453, avg=897.46, stdev=552.39 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 894], 50.00th=[ 894], 60.00th=[ 894], | 70.00th=[ 1452], 80.00th=[ 1452], 90.00th=[ 1452], 95.00th=[ 1452], | 99.00th=[ 1452], 99.50th=[ 1452], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 8047, max= 8110, per=100.00%, avg=8078.50, stdev=44.55, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=5.64%, ctx=65, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180916: Sun Mar 15 19:35:19 2026 read: IOPS=0, BW=1352KiB/s (1384kB/s)(4096KiB/3030msec) clat (nsec): min=1136.2M, max=1136.2M, avg=1136188865.00, stdev= 0.00 lat (nsec): min=1136.2M, max=1136.2M, avg=1136192677.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1133], 5.00th=[ 1133], 10.00th=[ 1133], 20.00th=[ 1133], | 30.00th=[ 1133], 40.00th=[ 1133], 50.00th=[ 1133], 60.00th=[ 1133], | 70.00th=[ 1133], 80.00th=[ 1133], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] 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=2704KiB/s (2769kB/s)(8192KiB/3030msec); 0 zone resets clat (msec): min=569, max=1271, avg=920.63, stdev=496.16 lat (msec): min=570, max=1271, avg=921.05, stdev=496.05 clat percentiles (msec): | 1.00th=[ 567], 5.00th=[ 567], 10.00th=[ 567], 20.00th=[ 567], | 30.00th=[ 567], 40.00th=[ 567], 50.00th=[ 567], 60.00th=[ 1267], | 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= 8175, max= 8175, per=76.32%, avg=8175.00, 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=0.07%, sys=3.93%, ctx=38, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180917: Sun Mar 15 19:35:19 2026 write: IOPS=0, BW=4017KiB/s (4113kB/s)(12.0MiB/3059msec); 0 zone resets clat (msec): min=297, max=1435, avg=1005.34, stdev=617.67 lat (msec): min=298, max=1436, avg=1005.82, stdev=617.75 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 296], | 30.00th=[ 296], 40.00th=[ 1284], 50.00th=[ 1284], 60.00th=[ 1284], | 70.00th=[ 1435], 80.00th=[ 1435], 90.00th=[ 1435], 95.00th=[ 1435], | 99.00th=[ 1435], 99.50th=[ 1435], 99.90th=[ 1435], 99.95th=[ 1435], | 99.99th=[ 1435] bw ( KiB/s): min= 8159, max= 8159, per=76.17%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=6.64%, ctx=60, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180918: Sun Mar 15 19:35:19 2026 write: IOPS=1, BW=4755KiB/s (4870kB/s)(12.0MiB/2584msec); 0 zone resets clat (msec): min=625, max=1255, avg=845.38, stdev=355.39 lat (msec): min=625, max=1255, avg=845.73, stdev=355.40 clat percentiles (msec): | 1.00th=[ 625], 5.00th=[ 625], 10.00th=[ 625], 20.00th=[ 625], | 30.00th=[ 625], 40.00th=[ 659], 50.00th=[ 659], 60.00th=[ 659], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 8047, max= 8159, per=75.65%, avg=8103.00, stdev=79.20, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.00%, sys=7.98%, ctx=58, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=5407KiB/s (5537kB/s), 1352KiB/s-4412KiB/s (1384kB/s-4518kB/s), io=16.0MiB (16.8MB), run=2785-3030msec WRITE: bw=10.5MiB/s (10.0MB/s), 2704KiB/s-4755KiB/s (2769kB/s-4870kB/s), io=32.0MiB (33.6MB), run=2584-3059msec