== sanity test 398b: DIO and buffer IO race ============== 23:27:28 (1786764448) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.05225 s, 8.3 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=144175: Fri Aug 14 23:29:51 2026 read: IOPS=12, BW=48.7KiB/s (49.8kB/s)(5992KiB/123142msec) clat (usec): min=29, max=905339, avg=40311.21, stdev=37747.61 lat (usec): min=30, max=905341, avg=40313.45, stdev=37747.61 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 69], 10.00th=[ 11076], 20.00th=[ 20317], | 30.00th=[ 25035], 40.00th=[ 29492], 50.00th=[ 34341], 60.00th=[ 40109], | 70.00th=[ 47449], 80.00th=[ 56361], 90.00th=[ 71828], 95.00th=[ 87557], | 99.00th=[145753], 99.50th=[185598], 99.90th=[497026], 99.95th=[901776], | 99.99th=[901776] bw ( KiB/s): min= 7, max= 119, per=25.00%, avg=48.25, stdev=19.60, samples=242 iops : min= 1, max= 29, avg=11.41, stdev= 4.92, samples=242 write: IOPS=12, BW=51.1KiB/s (52.4kB/s)(6296KiB/123142msec); 0 zone resets clat (usec): min=1210, max=349621, avg=39589.08, stdev=39204.91 lat (usec): min=1211, max=349623, avg=39594.27, stdev=39205.43 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 1549], 10.00th=[ 2573], 20.00th=[ 5342], | 30.00th=[ 10159], 40.00th=[ 20055], 50.00th=[ 30278], 60.00th=[ 41157], | 70.00th=[ 53216], 80.00th=[ 67634], 90.00th=[ 88605], 95.00th=[108528], | 99.00th=[152044], 99.50th=[212861], 99.90th=[346031], 99.95th=[350225], | 99.99th=[350225] bw ( KiB/s): min= 7, max= 103, per=25.42%, avg=51.34, stdev=19.66, samples=239 iops : min= 1, max= 25, avg=12.19, stdev= 4.97, samples=239 lat (usec) : 50=0.42%, 100=3.39%, 250=0.49%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.07% lat (msec) : 2=3.94%, 4=4.23%, 10=7.39%, 20=9.93%, 50=40.04% lat (msec) : 100=24.97%, 250=4.79%, 500=0.23%, 1000=0.03% cpu : usr=0.08%, sys=5.71%, ctx=6942, 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=144176: Fri Aug 14 23:29:51 2026 read: IOPS=12, BW=48.6KiB/s (49.7kB/s)(5940KiB/122308msec) clat (usec): min=32, max=397012, avg=40332.41, stdev=30242.11 lat (usec): min=32, max=397014, avg=40338.58, stdev=30243.50 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 70], 10.00th=[ 11994], 20.00th=[ 20841], | 30.00th=[ 25297], 40.00th=[ 30016], 50.00th=[ 34866], 60.00th=[ 41157], | 70.00th=[ 47973], 80.00th=[ 57410], 90.00th=[ 72877], 95.00th=[ 89654], | 99.00th=[141558], 99.50th=[166724], 99.90th=[379585], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 6, max= 104, per=24.98%, avg=48.20, stdev=19.70, samples=241 iops : min= 1, max= 26, avg=11.40, stdev= 4.94, samples=241 write: IOPS=12, BW=51.9KiB/s (53.1kB/s)(6348KiB/122308msec); 0 zone resets clat (usec): min=1119, max=947034, avg=39030.92, stdev=46008.02 lat (usec): min=1120, max=947036, avg=39045.51, stdev=46004.83 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 1631], 10.00th=[ 2671], 20.00th=[ 4817], | 30.00th=[ 9110], 40.00th=[ 19006], 50.00th=[ 29230], 60.00th=[ 38536], | 70.00th=[ 49021], 80.00th=[ 65274], 90.00th=[ 87557], 95.00th=[110625], | 99.00th=[191890], 99.50th=[233833], 99.90th=[354419], 99.95th=[943719], | 99.99th=[943719] bw ( KiB/s): min= 6, max= 135, per=25.63%, avg=51.77, stdev=22.12, samples=240 iops : min= 1, max= 33, avg=12.30, stdev= 5.57, samples=240 lat (usec) : 50=0.36%, 100=3.03%, 250=0.52%, 500=0.13%, 750=0.13% lat (msec) : 2=3.45%, 4=5.11%, 10=7.98%, 20=9.47%, 50=41.41% lat (msec) : 100=23.05%, 250=5.14%, 500=0.20%, 1000=0.03% cpu : usr=0.10%, sys=5.59%, ctx=6846, 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=144178: Fri Aug 14 23:29:51 2026 read: IOPS=12, BW=48.8KiB/s (50.0kB/s)(6028KiB/123407msec) clat (usec): min=29, max=450832, avg=41487.55, stdev=31489.84 lat (usec): min=29, max=450833, avg=41493.02, stdev=31487.88 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 73], 10.00th=[ 12256], 20.00th=[ 20317], | 30.00th=[ 25297], 40.00th=[ 30278], 50.00th=[ 35914], 60.00th=[ 42206], | 70.00th=[ 50594], 80.00th=[ 61080], 90.00th=[ 76022], 95.00th=[ 89654], | 99.00th=[147850], 99.50th=[170918], 99.90th=[421528], 99.95th=[450888], | 99.99th=[450888] bw ( KiB/s): min= 7, max= 112, per=25.45%, avg=49.12, stdev=19.30, samples=240 iops : min= 1, max= 28, avg=11.63, stdev= 4.85, samples=240 write: IOPS=12, BW=50.7KiB/s (51.9kB/s)(6260KiB/123407msec); 0 zone resets clat (usec): min=1109, max=1097.3k, avg=38596.27, stdev=45021.92 lat (usec): min=1110, max=1097.3k, avg=38604.07, stdev=45021.86 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 1549], 10.00th=[ 2442], | 20.00th=[ 5014], 30.00th=[ 8979], 40.00th=[ 19006], | 50.00th=[ 29230], 60.00th=[ 40109], 70.00th=[ 51119], | 80.00th=[ 65799], 90.00th=[ 86508], 95.00th=[ 107480], | 99.00th=[ 152044], 99.50th=[ 181404], 99.90th=[ 217056], | 99.95th=[1098908], 99.99th=[1098908] bw ( KiB/s): min= 7, max= 128, per=25.10%, avg=50.71, stdev=20.45, samples=241 iops : min= 1, max= 32, avg=12.03, stdev= 5.17, samples=241 lat (usec) : 50=0.52%, 100=2.57%, 250=0.72%, 500=0.10%, 750=0.07% lat (usec) : 1000=0.03% lat (msec) : 2=3.91%, 4=4.65%, 10=7.71%, 20=9.99%, 50=39.10% lat (msec) : 100=25.75%, 250=4.79%, 500=0.07%, 2000=0.03% cpu : usr=0.09%, sys=5.55%, ctx=6766, 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=144179: Fri Aug 14 23:29:51 2026 read: IOPS=12, BW=48.7KiB/s (49.9kB/s)(6052KiB/124165msec) clat (usec): min=35, max=298928, avg=39866.54, stdev=29008.75 lat (usec): min=36, max=298929, avg=39869.96, stdev=29009.72 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 68], 10.00th=[ 11338], 20.00th=[ 19530], | 30.00th=[ 24773], 40.00th=[ 29230], 50.00th=[ 34341], 60.00th=[ 41157], | 70.00th=[ 49546], 80.00th=[ 59507], 90.00th=[ 71828], 95.00th=[ 84411], | 99.00th=[141558], 99.50th=[170918], 99.90th=[295699], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 7, max= 111, per=25.03%, avg=48.31, stdev=20.48, samples=243 iops : min= 1, max= 27, avg=11.43, stdev= 5.15, samples=243 write: IOPS=12, BW=50.2KiB/s (51.4kB/s)(6236KiB/124165msec); 0 zone resets clat (usec): min=1181, max=962010, avg=40640.11, stdev=46904.69 lat (usec): min=1183, max=962012, avg=40649.09, stdev=46905.13 clat percentiles (usec): | 1.00th=[ 1303], 5.00th=[ 1631], 10.00th=[ 2573], 20.00th=[ 5014], | 30.00th=[ 9634], 40.00th=[ 19530], 50.00th=[ 29754], 60.00th=[ 40633], | 70.00th=[ 52691], 80.00th=[ 67634], 90.00th=[ 92799], 95.00th=[117965], | 99.00th=[183501], 99.50th=[231736], 99.90th=[341836], 99.95th=[960496], | 99.99th=[960496] bw ( KiB/s): min= 7, max= 109, per=24.56%, avg=49.61, stdev=19.54, samples=244 iops : min= 1, max= 27, avg=11.76, stdev= 4.93, samples=244 lat (usec) : 50=0.33%, 100=3.29%, 250=0.52%, 750=0.13%, 1000=0.07% lat (msec) : 2=3.81%, 4=4.49%, 10=7.42%, 20=10.61%, 50=38.77% lat (msec) : 100=25.36%, 250=4.95%, 500=0.23%, 1000=0.03% cpu : usr=0.09%, sys=5.54%, ctx=6911, 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=193KiB/s (198kB/s), 48.6KiB/s-48.8KiB/s (49.7kB/s-50.0kB/s), io=23.4MiB (24.6MB), run=122308-124165msec WRITE: bw=202KiB/s (207kB/s), 50.2KiB/s-51.9KiB/s (51.4kB/s-53.1kB/s), io=24.6MiB (25.7MB), run=122308-124165msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144177: Fri Aug 14 23:32:11 2026 read: IOPS=5, BW=22.8KiB/s (23.4kB/s)(5992KiB/262739msec) clat (msec): min=6, max=925, avg=34.17, stdev=40.05 lat (msec): min=6, max=925, avg=34.18, stdev=40.05 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 19], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 45], 90.00th=[ 72], 95.00th=[ 100], | 99.00th=[ 161], 99.50th=[ 236], 99.90th=[ 321], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 7, max= 94, per=28.31%, avg=25.48, stdev=16.80, samples=454 iops : min= 1, max= 23, avg= 5.72, stdev= 4.24, samples=454 write: IOPS=5, BW=23.0KiB/s (24.5kB/s)(6296KiB/262739msec); 0 zone resets clat (msec): min=38, max=646, avg=134.17, stdev=61.31 lat (msec): min=38, max=646, avg=134.18, stdev=61.31 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 65], 10.00th=[ 73], 20.00th=[ 87], | 30.00th=[ 99], 40.00th=[ 110], 50.00th=[ 121], 60.00th=[ 136], | 70.00th=[ 150], 80.00th=[ 171], 90.00th=[ 213], 95.00th=[ 251], | 99.00th=[ 342], 99.50th=[ 368], 99.90th=[ 600], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 7, max= 55, per=24.79%, avg=23.55, stdev=10.20, samples=514 iops : min= 1, max= 13, avg= 5.23, stdev= 2.60, samples=514 lat (msec) : 10=2.70%, 20=18.59%, 50=19.73%, 100=21.84%, 250=34.38% lat (msec) : 500=2.67%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.39%, ctx=5243, 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=144180: Fri Aug 14 23:32:11 2026 read: IOPS=5, BW=22.5KiB/s (23.0kB/s)(5940KiB/264221msec) clat (msec): min=5, max=970, avg=34.43, stdev=40.65 lat (msec): min=5, max=970, avg=34.43, stdev=40.65 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 46], 90.00th=[ 74], 95.00th=[ 104], | 99.00th=[ 176], 99.50th=[ 220], 99.90th=[ 296], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 7, max= 95, per=27.66%, avg=24.89, stdev=16.70, samples=460 iops : min= 1, max= 23, avg= 5.57, stdev= 4.21, samples=460 write: IOPS=6, BW=24.0KiB/s (24.6kB/s)(6348KiB/264221msec); 0 zone resets clat (msec): min=35, max=650, avg=134.04, stdev=62.71 lat (msec): min=35, max=650, avg=134.05, stdev=62.71 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 65], 10.00th=[ 72], 20.00th=[ 87], | 30.00th=[ 97], 40.00th=[ 108], 50.00th=[ 118], 60.00th=[ 132], | 70.00th=[ 150], 80.00th=[ 176], 90.00th=[ 213], 95.00th=[ 257], | 99.00th=[ 338], 99.50th=[ 397], 99.90th=[ 600], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 7, max= 56, per=24.71%, avg=23.48, stdev=10.38, samples=519 iops : min= 1, max= 14, avg= 5.22, stdev= 2.65, samples=519 lat (msec) : 10=2.41%, 20=17.74%, 50=20.21%, 100=22.27%, 250=34.47% lat (msec) : 500=2.80%, 750=0.07%, 1000=0.03% cpu : usr=0.04%, sys=1.38%, ctx=5241, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144181: Fri Aug 14 23:32:11 2026 read: IOPS=5, BW=22.9KiB/s (23.4kB/s)(6028KiB/263407msec) clat (msec): min=6, max=330, avg=34.55, stdev=33.71 lat (msec): min=6, max=330, avg=34.56, stdev=33.71 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 28], | 70.00th=[ 34], 80.00th=[ 46], 90.00th=[ 72], 95.00th=[ 97], | 99.00th=[ 184], 99.50th=[ 226], 99.90th=[ 288], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 7, max= 93, per=27.91%, avg=25.12, stdev=16.28, samples=463 iops : min= 1, max= 23, avg= 5.64, stdev= 4.10, samples=463 write: IOPS=5, BW=23.8KiB/s (24.3kB/s)(6260KiB/263407msec); 0 zone resets clat (msec): min=35, max=1073, avg=134.80, stdev=64.30 lat (msec): min=35, max=1073, avg=134.80, stdev=64.30 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 67], 10.00th=[ 75], 20.00th=[ 88], | 30.00th=[ 99], 40.00th=[ 108], 50.00th=[ 120], 60.00th=[ 136], | 70.00th=[ 150], 80.00th=[ 176], 90.00th=[ 215], 95.00th=[ 251], | 99.00th=[ 338], 99.50th=[ 380], 99.90th=[ 625], 99.95th=[ 1070], | 99.99th=[ 1070] bw ( KiB/s): min= 7, max= 48, per=24.73%, avg=23.49, stdev=10.14, samples=512 iops : min= 1, max= 12, avg= 5.22, stdev= 2.60, samples=512 lat (msec) : 10=2.44%, 20=17.68%, 50=20.38%, 100=22.49%, 250=34.28% lat (msec) : 500=2.64%, 750=0.07%, 2000=0.03% cpu : usr=0.05%, sys=1.44%, ctx=5268, 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=144182: Fri Aug 14 23:32:11 2026 read: IOPS=5, BW=23.1KiB/s (23.7kB/s)(6052KiB/261729msec) clat (msec): min=5, max=326, avg=34.31, stdev=35.45 lat (msec): min=5, max=326, avg=34.32, stdev=35.45 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 44], 90.00th=[ 75], 95.00th=[ 106], | 99.00th=[ 186], 99.50th=[ 243], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 7, max= 87, per=28.23%, avg=25.41, stdev=16.86, samples=460 iops : min= 1, max= 21, avg= 5.70, stdev= 4.23, samples=460 write: IOPS=5, BW=23.8KiB/s (24.4kB/s)(6236KiB/261729msec); 0 zone resets clat (msec): min=35, max=1118, avg=134.35, stdev=64.78 lat (msec): min=35, max=1118, avg=134.36, stdev=64.78 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 66], 10.00th=[ 75], 20.00th=[ 86], | 30.00th=[ 96], 40.00th=[ 108], 50.00th=[ 121], 60.00th=[ 134], | 70.00th=[ 150], 80.00th=[ 176], 90.00th=[ 211], 95.00th=[ 251], | 99.00th=[ 347], 99.50th=[ 388], 99.90th=[ 514], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 7, max= 48, per=24.81%, avg=23.57, stdev=10.21, samples=509 iops : min= 1, max= 12, avg= 5.24, stdev= 2.61, samples=509 lat (msec) : 10=2.60%, 20=18.59%, 50=20.05%, 100=21.88%, 250=34.15% lat (msec) : 500=2.67%, 750=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.40%, ctx=5336, 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=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=90.9KiB/s (93.1kB/s), 22.5KiB/s-23.1KiB/s (23.0kB/s-23.7kB/s), io=23.4MiB (24.6MB), run=261729-264221msec WRITE: bw=95.1KiB/s (97.4kB/s), 23.8KiB/s-24.0KiB/s (24.3kB/s-24.6kB/s), io=24.6MiB (25.7MB), run=261729-264221msec 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=144235: Fri Aug 14 23:32:50 2026 read: IOPS=13, BW=213KiB/s (218kB/s)(5920KiB/27784msec) clat (usec): min=37, max=314532, avg=40119.80, stdev=36984.10 lat (usec): min=38, max=314533, avg=40127.89, stdev=36989.31 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 62], 10.00th=[ 68], 20.00th=[ 322], | 30.00th=[ 22152], 40.00th=[ 30802], 50.00th=[ 36439], 60.00th=[ 42206], | 70.00th=[ 49546], 80.00th=[ 56886], 90.00th=[ 81265], 95.00th=[ 99091], | 99.00th=[181404], 99.50th=[263193], 99.90th=[312476], 99.95th=[312476], | 99.99th=[312476] bw ( KiB/s): min= 63, max= 415, per=25.90%, avg=212.87, stdev=68.93, samples=54 iops : min= 3, max= 25, avg=12.54, stdev= 4.36, samples=54 write: IOPS=14, BW=229KiB/s (235kB/s)(6368KiB/27784msec); 0 zone resets clat (usec): min=1674, max=302833, avg=31895.70, stdev=37005.17 lat (usec): min=1676, max=302837, avg=31898.32, stdev=37005.15 clat percentiles (usec): | 1.00th=[ 1745], 5.00th=[ 2573], 10.00th=[ 3785], 20.00th=[ 5473], | 30.00th=[ 7767], 40.00th=[ 10683], 50.00th=[ 17695], 60.00th=[ 28443], | 70.00th=[ 38536], 80.00th=[ 55313], 90.00th=[ 78119], 95.00th=[ 98042], | 99.00th=[160433], 99.50th=[267387], 99.90th=[304088], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 31, max= 432, per=26.56%, avg=229.48, stdev=95.21, samples=54 iops : min= 1, max= 27, avg=13.59, stdev= 6.07, samples=54 lat (usec) : 50=0.78%, 100=7.03%, 250=1.56%, 500=0.39%, 750=0.13% lat (msec) : 2=1.69%, 4=4.43%, 10=13.80%, 20=9.90%, 50=34.38% lat (msec) : 100=21.22%, 250=4.17%, 500=0.52% cpu : usr=0.09%, sys=6.50%, ctx=1544, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144236: Fri Aug 14 23:32:50 2026 read: IOPS=12, BW=201KiB/s (205kB/s)(5744KiB/28635msec) clat (usec): min=48, max=248734, avg=41396.44, stdev=32620.59 lat (usec): min=48, max=248735, avg=41401.70, stdev=32617.05 clat percentiles (usec): | 1.00th=[ 57], 5.00th=[ 64], 10.00th=[ 78], 20.00th=[ 17433], | 30.00th=[ 26608], 40.00th=[ 32637], 50.00th=[ 38536], 60.00th=[ 43779], | 70.00th=[ 51643], 80.00th=[ 63177], 90.00th=[ 73925], 95.00th=[ 88605], | 99.00th=[160433], 99.50th=[168821], 99.90th=[248513], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 61, max= 412, per=24.48%, avg=201.25, stdev=80.35, samples=56 iops : min= 3, max= 25, avg=11.79, stdev= 5.03, samples=56 write: IOPS=14, BW=229KiB/s (234kB/s)(6544KiB/28635msec); 0 zone resets clat (usec): min=1568, max=276573, avg=33128.65, stdev=34481.48 lat (usec): min=1570, max=276576, avg=33140.48, stdev=34475.35 clat percentiles (usec): | 1.00th=[ 1778], 5.00th=[ 2147], 10.00th=[ 3523], 20.00th=[ 5735], | 30.00th=[ 8586], 40.00th=[ 13698], 50.00th=[ 21103], 60.00th=[ 33162], | 70.00th=[ 43779], 80.00th=[ 58459], 90.00th=[ 76022], 95.00th=[ 96994], | 99.00th=[132645], 99.50th=[204473], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 63, max= 512, per=26.33%, avg=227.48, stdev=87.71, samples=56 iops : min= 3, max= 32, avg=13.45, stdev= 5.59, samples=56 lat (usec) : 50=0.39%, 100=5.73%, 250=0.91%, 500=0.65%, 1000=0.13% lat (msec) : 2=2.08%, 4=4.69%, 10=11.85%, 20=9.90%, 50=35.81% lat (msec) : 100=23.83%, 250=3.91%, 500=0.13% cpu : usr=0.09%, sys=6.37%, ctx=1559, 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=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=144237: Fri Aug 14 23:32:50 2026 read: IOPS=13, BW=215KiB/s (220kB/s)(6256KiB/29138msec) clat (usec): min=32, max=355364, avg=40368.08, stdev=35041.21 lat (usec): min=32, max=355364, avg=40369.59, stdev=35041.15 clat percentiles (usec): | 1.00th=[ 40], 5.00th=[ 57], 10.00th=[ 67], 20.00th=[ 717], | 30.00th=[ 25297], 40.00th=[ 31589], 50.00th=[ 36963], 60.00th=[ 42206], | 70.00th=[ 51119], 80.00th=[ 60556], 90.00th=[ 77071], 95.00th=[ 96994], | 99.00th=[160433], 99.50th=[196084], 99.90th=[354419], 99.95th=[354419], | 99.99th=[354419] bw ( KiB/s): min= 95, max= 410, per=26.13%, avg=214.82, stdev=76.60, samples=57 iops : min= 5, max= 25, avg=12.67, stdev= 4.82, samples=57 write: IOPS=12, BW=207KiB/s (212kB/s)(6032KiB/29138msec); 0 zone resets clat (usec): min=1605, max=214492, avg=35167.85, stdev=34958.29 lat (usec): min=1606, max=214494, avg=35171.55, stdev=34957.68 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[ 2704], 10.00th=[ 4228], 20.00th=[ 7373], | 30.00th=[ 10028], 40.00th=[ 15139], 50.00th=[ 21890], 60.00th=[ 33817], | 70.00th=[ 45876], 80.00th=[ 60556], 90.00th=[ 85459], 95.00th=[106431], | 99.00th=[145753], 99.50th=[189793], 99.90th=[214959], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 62, max= 378, per=23.69%, avg=204.70, stdev=82.50, samples=57 iops : min= 3, max= 23, avg=12.00, stdev= 5.20, samples=57 lat (usec) : 50=1.43%, 100=6.38%, 250=1.82%, 500=0.26%, 750=0.39% lat (msec) : 2=1.30%, 4=3.52%, 10=10.03%, 20=10.68%, 50=35.16% lat (msec) : 100=23.70%, 250=5.21%, 500=0.13% cpu : usr=0.07%, sys=6.40%, ctx=1607, 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=144238: Fri Aug 14 23:32:50 2026 read: IOPS=13, BW=216KiB/s (221kB/s)(6032KiB/27888msec) clat (usec): min=39, max=270680, avg=39316.58, stdev=32305.20 lat (usec): min=39, max=270682, avg=39319.03, stdev=32304.71 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 59], 10.00th=[ 68], 20.00th=[ 153], | 30.00th=[ 24511], 40.00th=[ 30278], 50.00th=[ 36439], 60.00th=[ 42730], | 70.00th=[ 52691], 80.00th=[ 61604], 90.00th=[ 77071], 95.00th=[ 93848], | 99.00th=[137364], 99.50th=[175113], 99.90th=[270533], 99.95th=[270533], | 99.99th=[270533] bw ( KiB/s): min= 59, max= 348, per=26.21%, avg=215.44, stdev=70.48, samples=54 iops : min= 3, max= 21, avg=12.69, stdev= 4.48, samples=54 write: IOPS=14, BW=224KiB/s (230kB/s)(6256KiB/27888msec); 0 zone resets clat (usec): min=1586, max=246995, avg=32838.70, stdev=34410.49 lat (usec): min=1589, max=246996, avg=32847.28, stdev=34417.33 clat percentiles (usec): | 1.00th=[ 1811], 5.00th=[ 2737], 10.00th=[ 3687], 20.00th=[ 6390], | 30.00th=[ 8586], 40.00th=[ 12256], 50.00th=[ 19792], 60.00th=[ 29754], | 70.00th=[ 42730], 80.00th=[ 59507], 90.00th=[ 81265], 95.00th=[ 98042], | 99.00th=[137364], 99.50th=[240124], 99.90th=[246416], 99.95th=[246416], | 99.99th=[246416] bw ( KiB/s): min= 63, max= 542, per=26.07%, avg=225.24, stdev=82.37, samples=54 iops : min= 3, max= 33, avg=13.30, stdev= 5.17, samples=54 lat (usec) : 50=1.17%, 100=7.68%, 250=1.17%, 500=0.13%, 750=0.26% lat (usec) : 1000=0.13% lat (msec) : 2=1.56%, 4=4.56%, 10=11.85%, 20=9.90%, 50=32.29% lat (msec) : 100=25.52%, 250=3.65%, 500=0.13% cpu : usr=0.08%, sys=6.61%, ctx=1556, 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=822KiB/s (842kB/s), 201KiB/s-216KiB/s (205kB/s-221kB/s), io=23.4MiB (24.5MB), run=27784-29138msec WRITE: bw=865KiB/s (886kB/s), 207KiB/s-229KiB/s (212kB/s-235kB/s), io=24.6MiB (25.8MB), run=27784-29138msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144240: Fri Aug 14 23:33:31 2026 read: IOPS=5, BW=84.4KiB/s (86.5kB/s)(5920KiB/70112msec) clat (msec): min=7, max=333, avg=42.58, stdev=33.69 lat (msec): min=7, max=333, avg=42.58, stdev=33.69 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 16], 20.00th=[ 22], | 30.00th=[ 26], 40.00th=[ 29], 50.00th=[ 34], 60.00th=[ 40], | 70.00th=[ 47], 80.00th=[ 57], 90.00th=[ 74], 95.00th=[ 96], | 99.00th=[ 176], 99.50th=[ 213], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 31, max= 319, per=27.49%, avg=93.46, stdev=52.21, samples=123 iops : min= 1, max= 19, avg= 5.08, stdev= 3.33, samples=123 write: IOPS=5, BW=90.8KiB/s (93.0kB/s)(6368KiB/70112msec); 0 zone resets clat (msec): min=47, max=450, avg=136.40, stdev=57.38 lat (msec): min=47, max=450, avg=136.40, stdev=57.38 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 71], 10.00th=[ 79], 20.00th=[ 90], | 30.00th=[ 103], 40.00th=[ 112], 50.00th=[ 123], 60.00th=[ 134], | 70.00th=[ 150], 80.00th=[ 178], 90.00th=[ 218], 95.00th=[ 255], | 99.00th=[ 313], 99.50th=[ 368], 99.90th=[ 451], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 27, max= 192, per=25.16%, avg=90.06, stdev=35.62, samples=138 iops : min= 1, max= 12, avg= 4.88, stdev= 2.31, samples=138 lat (msec) : 10=1.04%, 20=7.42%, 50=26.69%, 100=25.52%, 250=36.46% lat (msec) : 500=2.86% cpu : usr=0.04%, sys=1.62%, ctx=1427, 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=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=144241: Fri Aug 14 23:33:31 2026 read: IOPS=5, BW=81.7KiB/s (83.7kB/s)(5744KiB/70274msec) clat (msec): min=7, max=329, avg=43.71, stdev=39.39 lat (msec): min=7, max=329, avg=43.72, stdev=39.39 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 23], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 37], | 70.00th=[ 44], 80.00th=[ 61], 90.00th=[ 90], 95.00th=[ 138], | 99.00th=[ 192], 99.50th=[ 201], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 26, max= 287, per=27.63%, avg=93.93, stdev=56.83, samples=119 iops : min= 1, max= 17, avg= 5.12, stdev= 3.60, samples=119 write: IOPS=5, BW=93.1KiB/s (95.4kB/s)(6544KiB/70274msec); 0 zone resets clat (msec): min=38, max=406, avg=133.28, stdev=56.69 lat (msec): min=38, max=406, avg=133.29, stdev=56.69 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 68], 10.00th=[ 77], 20.00th=[ 89], | 30.00th=[ 102], 40.00th=[ 111], 50.00th=[ 124], 60.00th=[ 133], | 70.00th=[ 148], 80.00th=[ 165], 90.00th=[ 209], 95.00th=[ 234], | 99.00th=[ 355], 99.50th=[ 380], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 30, max= 191, per=26.31%, avg=94.18, stdev=36.14, samples=135 iops : min= 1, max= 11, avg= 5.14, stdev= 2.35, samples=135 lat (msec) : 10=1.30%, 20=10.42%, 50=24.09%, 100=23.05%, 250=39.32% lat (msec) : 500=1.82% cpu : usr=0.04%, sys=1.53%, ctx=1447, 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= 0: pid=144242: Fri Aug 14 23:33:31 2026 read: IOPS=5, BW=90.8KiB/s (92.0kB/s)(6256KiB/68915msec) clat (msec): min=6, max=199, avg=38.55, stdev=30.12 lat (msec): min=6, max=199, avg=38.55, stdev=30.12 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 31], 60.00th=[ 35], | 70.00th=[ 42], 80.00th=[ 51], 90.00th=[ 72], 95.00th=[ 101], | 99.00th=[ 180], 99.50th=[ 182], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 30, max= 320, per=30.51%, avg=103.75, stdev=66.43, samples=119 iops : min= 1, max= 20, avg= 5.73, stdev= 4.23, samples=119 write: IOPS=5, BW=87.5KiB/s (89.6kB/s)(6032KiB/68915msec); 0 zone resets clat (msec): min=52, max=456, avg=142.68, stdev=65.44 lat (msec): min=52, max=456, avg=142.68, stdev=65.44 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 71], 10.00th=[ 80], 20.00th=[ 92], | 30.00th=[ 104], 40.00th=[ 114], 50.00th=[ 127], 60.00th=[ 142], | 70.00th=[ 155], 80.00th=[ 180], 90.00th=[ 232], 95.00th=[ 296], | 99.00th=[ 355], 99.50th=[ 409], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 27, max= 160, per=24.37%, avg=87.26, stdev=34.50, samples=136 iops : min= 1, max= 10, avg= 4.69, stdev= 2.23, samples=136 lat (msec) : 10=0.91%, 20=12.37%, 50=27.34%, 100=21.09%, 250=34.38% lat (msec) : 500=3.91% cpu : usr=0.03%, sys=1.55%, ctx=1416, 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=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=144243: Fri Aug 14 23:33:31 2026 read: IOPS=5, BW=86.9KiB/s (88.0kB/s)(6032KiB/69419msec) clat (msec): min=8, max=248, avg=41.03, stdev=34.24 lat (msec): min=8, max=248, avg=41.03, stdev=34.25 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 32], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 56], 90.00th=[ 81], 95.00th=[ 111], | 99.00th=[ 199], 99.50th=[ 236], 99.90th=[ 249], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 30, max= 319, per=28.14%, avg=95.67, stdev=58.60, samples=123 iops : min= 1, max= 19, avg= 5.22, stdev= 3.72, samples=123 write: IOPS=5, BW=90.1KiB/s (92.3kB/s)(6256KiB/69419msec); 0 zone resets clat (msec): min=41, max=442, avg=137.89, stdev=59.11 lat (msec): min=41, max=442, avg=137.89, stdev=59.11 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 69], 10.00th=[ 79], 20.00th=[ 92], | 30.00th=[ 104], 40.00th=[ 116], 50.00th=[ 126], 60.00th=[ 136], | 70.00th=[ 153], 80.00th=[ 169], 90.00th=[ 213], 95.00th=[ 264], | 99.00th=[ 355], 99.50th=[ 380], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 30, max= 192, per=25.46%, avg=91.14, stdev=35.11, samples=135 iops : min= 1, max= 12, avg= 4.95, stdev= 2.28, samples=135 lat (msec) : 10=0.78%, 20=11.85%, 50=25.13%, 100=22.01%, 250=37.11% lat (msec) : 500=3.12% cpu : usr=0.03%, sys=1.52%, ctx=1409, 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=341KiB/s (349kB/s), 81.7KiB/s-90.8KiB/s (83.7kB/s-92.0kB/s), io=23.4MiB (24.5MB), run=68915-70274msec WRITE: bw=359KiB/s (367kB/s), 87.5KiB/s-93.1KiB/s (89.6kB/s-95.4kB/s), io=24.6MiB (25.8MB), run=68915-70274msec 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=144268: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1991KiB/s (2038kB/s)(7168KiB/3601msec) clat (msec): min=170, max=327, avg=259.14, stdev=54.58 lat (msec): min=170, max=327, avg=259.14, stdev=54.58 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 222], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 259], 60.00th=[ 275], | 70.00th=[ 275], 80.00th=[ 317], 90.00th=[ 330], 95.00th=[ 330], | 99.00th=[ 330], 99.50th=[ 330], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 1992, max= 3799, per=55.20%, avg=2895.00, stdev=1015.94, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1422KiB/s (1456kB/s)(5120KiB/3601msec); 0 zone resets clat (msec): min=160, max=628, avg=355.97, stdev=180.92 lat (msec): min=160, max=628, avg=356.07, stdev=180.94 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 161], | 30.00th=[ 259], 40.00th=[ 259], 50.00th=[ 300], 60.00th=[ 300], | 70.00th=[ 430], 80.00th=[ 430], 90.00th=[ 625], 95.00th=[ 625], | 99.00th=[ 625], 99.50th=[ 625], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 2007, max= 4015, per=36.59%, avg=2687.00, stdev=1150.19, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 250=33.33%, 500=58.33%, 750=8.33% cpu : usr=0.06%, sys=18.31%, ctx=254, 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=144269: Fri Aug 14 23:33:46 2026 read: IOPS=0, BW=525KiB/s (537kB/s)(2048KiB/3904msec) clat (usec): min=809, max=696253, avg=348531.59, stdev=491753.31 lat (usec): min=811, max=696255, avg=348533.57, stdev=491753.57 clat percentiles (usec): | 1.00th=[ 807], 5.00th=[ 807], 10.00th=[ 807], 20.00th=[ 807], | 30.00th=[ 807], 40.00th=[ 807], 50.00th=[ 807], 60.00th=[692061], | 70.00th=[692061], 80.00th=[692061], 90.00th=[692061], 95.00th=[692061], | 99.00th=[692061], 99.50th=[692061], 99.90th=[692061], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 2007, max= 2039, per=38.57%, avg=2023.00, stdev=22.63, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2623KiB/s (2686kB/s)(10.0MiB/3904msec); 0 zone resets clat (msec): min=116, max=489, avg=319.86, stdev=112.09 lat (msec): min=116, max=489, avg=320.08, stdev=112.12 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 243], | 30.00th=[ 259], 40.00th=[ 288], 50.00th=[ 292], 60.00th=[ 305], | 70.00th=[ 347], 80.00th=[ 384], 90.00th=[ 481], 95.00th=[ 489], | 99.00th=[ 489], 99.50th=[ 489], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 2007, max= 4071, per=48.68%, avg=3575.20, stdev=882.57, samples=5 iops : min= 1, max= 3, avg= 2.60, stdev= 0.89, samples=5 lat (usec) : 1000=8.33% lat (msec) : 250=16.67%, 500=66.67%, 750=8.33% cpu : usr=0.00%, sys=15.01%, ctx=228, 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=144270: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1979KiB/s (2027kB/s)(6144KiB/3104msec) clat (usec): min=374, max=240118, avg=52424.56, stdev=95919.86 lat (usec): min=375, max=240119, avg=52425.97, stdev=95919.77 clat percentiles (usec): | 1.00th=[ 375], 5.00th=[ 375], 10.00th=[ 375], 20.00th=[ 1221], | 30.00th=[ 1221], 40.00th=[ 1582], 50.00th=[ 1582], 60.00th=[ 1762], | 70.00th=[ 69731], 80.00th=[ 69731], 90.00th=[240124], 95.00th=[240124], | 99.00th=[240124], 99.50th=[240124], 99.90th=[240124], 99.95th=[240124], | 99.99th=[240124] bw ( KiB/s): min= 1899, max= 6023, per=75.52%, avg=3961.00, stdev=2916.11, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1979KiB/s (2027kB/s)(6144KiB/3104msec); 0 zone resets clat (msec): min=139, max=1079, avg=464.50, stdev=402.38 lat (msec): min=139, max=1079, avg=464.57, stdev=402.39 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 213], | 30.00th=[ 213], 40.00th=[ 222], 50.00th=[ 222], 60.00th=[ 264], | 70.00th=[ 869], 80.00th=[ 869], 90.00th=[ 1083], 95.00th=[ 1083], | 99.00th=[ 1083], 99.50th=[ 1083], 99.90th=[ 1083], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 1899, max= 3828, per=35.10%, avg=2578.00, stdev=1083.88, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 500=8.33% lat (msec) : 2=25.00%, 100=8.33%, 250=33.33%, 500=8.33%, 1000=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=14.89%, ctx=126, 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=144271: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1331KiB/s (1363kB/s)(5120KiB/3846msec) clat (usec): min=1225, max=399022, avg=133693.64, stdev=185280.29 lat (usec): min=1226, max=399024, avg=133695.01, stdev=185280.60 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1221], 10.00th=[ 1221], 20.00th=[ 1221], | 30.00th=[ 1336], 40.00th=[ 1336], 50.00th=[ 7242], 60.00th=[ 7242], | 70.00th=[258999], 80.00th=[258999], 90.00th=[400557], 95.00th=[400557], | 99.00th=[400557], 99.50th=[400557], 99.90th=[400557], 99.95th=[400557], | 99.99th=[400557] bw ( KiB/s): min= 2007, max= 5976, per=76.10%, avg=3991.50, stdev=2806.51, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1864KiB/s (1908kB/s)(7168KiB/3846msec); 0 zone resets clat (msec): min=247, max=670, avg=453.32, stdev=163.59 lat (msec): min=247, max=670, avg=453.41, stdev=163.59 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 249], 10.00th=[ 249], 20.00th=[ 264], | 30.00th=[ 422], 40.00th=[ 422], 50.00th=[ 435], 60.00th=[ 514], | 70.00th=[ 514], 80.00th=[ 625], 90.00th=[ 667], 95.00th=[ 667], | 99.00th=[ 667], 99.50th=[ 667], 99.90th=[ 667], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 1835, max= 2035, per=26.72%, avg=1962.50, stdev=77.94, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 2=16.67%, 10=8.33%, 250=8.33%, 500=41.67%, 750=25.00% cpu : usr=0.00%, sys=12.67%, ctx=149, 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=5246KiB/s (5372kB/s), 525KiB/s-1991KiB/s (537kB/s-2038kB/s), io=20.0MiB (20.0MB), run=3104-3904msec WRITE: bw=7344KiB/s (7521kB/s), 1422KiB/s-2623KiB/s (1456kB/s-2686kB/s), io=28.0MiB (29.4MB), run=3104-3904msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144262: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1874KiB/s (1919kB/s)(7168KiB/3824msec) clat (msec): min=80, max=417, avg=185.34, stdev=126.29 lat (msec): min=80, max=417, avg=185.34, stdev=126.29 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 90], | 30.00th=[ 106], 40.00th=[ 106], 50.00th=[ 112], 60.00th=[ 213], | 70.00th=[ 213], 80.00th=[ 279], 90.00th=[ 418], 95.00th=[ 418], | 99.00th=[ 418], 99.50th=[ 418], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 2027, max= 4382, per=63.20%, avg=2619.75, stdev=1174.84, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1339KiB/s (1371kB/s)(5120KiB/3824msec); 0 zone resets clat (msec): min=226, max=914, avg=496.91, stdev=293.16 lat (msec): min=227, max=914, avg=497.01, stdev=293.18 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 228], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 435], 60.00th=[ 435], | 70.00th=[ 667], 80.00th=[ 667], 90.00th=[ 919], 95.00th=[ 919], | 99.00th=[ 919], 99.50th=[ 919], 99.90th=[ 919], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 1460, max= 4015, per=43.09%, avg=2500.67, stdev=1341.74, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=16.67%, 250=41.67%, 500=25.00%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=4.89%, ctx=58, 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=144263: Fri Aug 14 23:33:46 2026 read: IOPS=0, BW=415KiB/s (425kB/s)(2048KiB/4940msec) clat (msec): min=116, max=757, avg=436.67, stdev=453.45 lat (msec): min=116, max=757, avg=436.67, stdev=453.45 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 116], 10.00th=[ 116], 20.00th=[ 116], | 30.00th=[ 116], 40.00th=[ 116], 50.00th=[ 116], 60.00th=[ 760], | 70.00th=[ 760], 80.00th=[ 760], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 1444, max= 2035, per=41.97%, avg=1739.50, stdev=417.90, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2073KiB/s (2123kB/s)(10.0MiB/4940msec); 0 zone resets clat (msec): min=153, max=901, avg=395.49, stdev=249.34 lat (msec): min=153, max=901, avg=395.59, stdev=249.36 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 174], | 30.00th=[ 201], 40.00th=[ 264], 50.00th=[ 288], 60.00th=[ 296], | 70.00th=[ 405], 80.00th=[ 625], 90.00th=[ 651], 95.00th=[ 902], | 99.00th=[ 902], 99.50th=[ 902], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 902] bw ( KiB/s): min= 1980, max= 6144, per=49.13%, avg=2851.50, stdev=1650.12, samples=6 iops : min= 1, max= 6, avg= 2.00, stdev= 2.00, samples=6 lat (msec) : 250=33.33%, 500=33.33%, 750=16.67%, 1000=16.67% cpu : usr=0.00%, sys=3.42%, ctx=114, 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=144264: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1248KiB/s (1278kB/s)(6144KiB/4923msec) clat (msec): min=63, max=514, avg=257.57, stdev=177.32 lat (msec): min=63, max=514, avg=257.57, stdev=177.32 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 64], 10.00th=[ 64], 20.00th=[ 87], | 30.00th=[ 87], 40.00th=[ 222], 50.00th=[ 222], 60.00th=[ 249], | 70.00th=[ 409], 80.00th=[ 409], 90.00th=[ 514], 95.00th=[ 514], | 99.00th=[ 514], 99.50th=[ 514], 99.90th=[ 514], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 1980, max= 4096, per=61.19%, avg=2536.50, stdev=1039.99, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1248KiB/s (1278kB/s)(6144KiB/4923msec); 0 zone resets clat (msec): min=189, max=1872, avg=545.89, stdev=655.85 lat (msec): min=189, max=1872, avg=546.03, stdev=655.85 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 234], 50.00th=[ 234], 60.00th=[ 313], | 70.00th=[ 443], 80.00th=[ 443], 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= 2007, max= 2909, per=38.76%, avg=2249.75, stdev=439.83, samples=4 iops : min= 1, max= 2, avg= 1.50, stdev= 0.58, samples=4 lat (msec) : 100=16.67%, 250=41.67%, 500=25.00%, 750=8.33%, 2000=8.33% cpu : usr=0.02%, sys=3.96%, ctx=99, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=144265: Fri Aug 14 23:33:46 2026 read: IOPS=1, BW=1244KiB/s (1274kB/s)(5120KiB/4116msec) clat (msec): min=129, max=313, avg=214.03, stdev=80.03 lat (msec): min=129, max=313, avg=214.03, stdev=80.03 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 130], 10.00th=[ 130], 20.00th=[ 130], | 30.00th=[ 136], 40.00th=[ 136], 50.00th=[ 236], 60.00th=[ 236], | 70.00th=[ 257], 80.00th=[ 257], 90.00th=[ 313], 95.00th=[ 313], | 99.00th=[ 313], 99.50th=[ 313], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 2007, max= 4071, per=65.18%, avg=2701.67, stdev=1185.92, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1741KiB/s (1783kB/s)(7168KiB/4116msec); 0 zone resets clat (msec): min=125, max=775, avg=420.79, stdev=286.59 lat (msec): min=125, max=775, avg=420.91, stdev=286.57 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 126], 20.00th=[ 201], | 30.00th=[ 220], 40.00th=[ 220], 50.00th=[ 236], 60.00th=[ 634], | 70.00th=[ 634], 80.00th=[ 751], 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= 2027, max= 2904, per=38.03%, avg=2207.20, stdev=389.54, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 lat (msec) : 250=58.33%, 500=16.67%, 750=8.33%, 1000=16.67% cpu : usr=0.00%, sys=3.84%, ctx=96, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4146KiB/s (4245kB/s), 415KiB/s-1874KiB/s (425kB/s-1919kB/s), io=20.0MiB (20.0MB), run=3824-4940msec WRITE: bw=5804KiB/s (5943kB/s), 1248KiB/s-2073KiB/s (1278kB/s-2123kB/s), io=28.0MiB (29.4MB), run=3824-4940msec 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=144283: Fri Aug 14 23:34:03 2026 read: IOPS=1, BW=4701KiB/s (4814kB/s)(12.0MiB/2614msec) clat (msec): min=658, max=1012, avg=833.50, stdev=177.41 lat (msec): min=658, max=1012, avg=833.50, stdev=177.41 clat percentiles (msec): | 1.00th=[ 659], 5.00th=[ 659], 10.00th=[ 659], 20.00th=[ 659], | 30.00th=[ 659], 40.00th=[ 827], 50.00th=[ 827], 60.00th=[ 827], | 70.00th=[ 1011], 80.00th=[ 1011], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, stdev= 0.00, 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=12.97%, ctx=344, majf=0, minf=7 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=144284: Fri Aug 14 23:34:03 2026 read: IOPS=0, BW=1415KiB/s (1449kB/s)(4096KiB/2895msec) clat (nsec): min=1037.2M, max=1037.2M, avg=1037185202.00, stdev= 0.00 lat (nsec): min=1037.2M, max=1037.2M, avg=1037187661.00, 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= 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=2830KiB/s (2898kB/s)(8192KiB/2895msec); 0 zone resets clat (msec): min=870, max=923, avg=896.71, stdev=37.46 lat (msec): min=870, max=923, avg=897.19, stdev=37.67 clat percentiles (msec): | 1.00th=[ 869], 5.00th=[ 869], 10.00th=[ 869], 20.00th=[ 869], | 30.00th=[ 869], 40.00th=[ 869], 50.00th=[ 869], 60.00th=[ 927], | 70.00th=[ 927], 80.00th=[ 927], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 8110, max= 8110, per=91.08%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.00%, sys=7.91%, ctx=132, 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=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=144285: Fri Aug 14 23:34:03 2026 write: IOPS=0, BW=3339KiB/s (3419kB/s)(12.0MiB/3680msec); 0 zone resets clat (msec): min=237, max=2964, avg=1203.78, stdev=1527.02 lat (msec): min=237, max=2964, avg=1204.18, stdev=1527.04 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 239], 10.00th=[ 239], 20.00th=[ 239], | 30.00th=[ 239], 40.00th=[ 409], 50.00th=[ 409], 60.00th=[ 409], | 70.00th=[ 2970], 80.00th=[ 2970], 90.00th=[ 2970], 95.00th=[ 2970], | 99.00th=[ 2970], 99.50th=[ 2970], 99.90th=[ 2970], 99.95th=[ 2970], | 99.99th=[ 2970] bw ( KiB/s): min= 8110, max= 8110, per=91.08%, avg=8110.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.89%, ctx=51, majf=0, minf=7 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=144286: Fri Aug 14 23:34:03 2026 write: IOPS=1, BW=4409KiB/s (4515kB/s)(12.0MiB/2787msec); 0 zone resets clat (msec): min=435, max=1460, avg=896.60, stdev=520.56 lat (msec): min=435, max=1461, avg=897.03, stdev=520.51 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 435], 10.00th=[ 435], 20.00th=[ 435], | 30.00th=[ 435], 40.00th=[ 793], 50.00th=[ 793], 60.00th=[ 793], | 70.00th=[ 1469], 80.00th=[ 1469], 90.00th=[ 1469], 95.00th=[ 1469], | 99.00th=[ 1469], 99.50th=[ 1469], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 5876, max= 8126, per=78.63%, avg=7001.00, stdev=1590.99, 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=5.10%, ctx=58, 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 Run status group 0 (all jobs): READ: bw=5659KiB/s (5795kB/s), 1415KiB/s-4701KiB/s (1449kB/s-4814kB/s), io=16.0MiB (16.8MB), run=2614-2895msec WRITE: bw=8904KiB/s (9118kB/s), 2830KiB/s-4409KiB/s (2898kB/s-4515kB/s), io=32.0MiB (33.6MB), run=2787-3680msec rand-rw: (groupid=0, jobs=1): err= 0: pid=144278: Fri Aug 14 23:34:03 2026 read: IOPS=1, BW=4198KiB/s (4299kB/s)(12.0MiB/2927msec) clat (msec): min=516, max=1616, avg=939.32, stdev=592.14 lat (msec): min=516, max=1616, avg=939.32, stdev=592.14 clat percentiles (msec): | 1.00th=[ 518], 5.00th=[ 518], 10.00th=[ 518], 20.00th=[ 518], | 30.00th=[ 518], 40.00th=[ 684], 50.00th=[ 684], 60.00th=[ 684], | 70.00th=[ 1620], 80.00th=[ 1620], 90.00th=[ 1620], 95.00th=[ 1620], | 99.00th=[ 1620], 99.50th=[ 1620], 99.90th=[ 1620], 99.95th=[ 1620], | 99.99th=[ 1620] bw ( KiB/s): min= 8078, max= 8143, per=100.00%, avg=8110.50, stdev=45.96, 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=3.55%, ctx=31, 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=144279: Fri Aug 14 23:34:03 2026 read: IOPS=0, BW=1051KiB/s (1076kB/s)(4096KiB/3899msec) clat (nsec): min=1427.5M, max=1427.5M, avg=1427548945.00, stdev= 0.00 lat (nsec): min=1427.6M, max=1427.6M, avg=1427551651.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1435], 5.00th=[ 1435], 10.00th=[ 1435], 20.00th=[ 1435], | 30.00th=[ 1435], 40.00th=[ 1435], 50.00th=[ 1435], 60.00th=[ 1435], | 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= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2101KiB/s (2151kB/s)(8192KiB/3899msec); 0 zone resets clat (msec): min=241, max=2107, avg=1174.31, stdev=1319.29 lat (msec): min=241, max=2107, avg=1174.69, stdev=1319.57 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 243], 10.00th=[ 243], 20.00th=[ 243], | 30.00th=[ 243], 40.00th=[ 243], 50.00th=[ 243], 60.00th=[ 2106], | 70.00th=[ 2106], 80.00th=[ 2106], 90.00th=[ 2106], 95.00th=[ 2106], | 99.00th=[ 2106], 99.50th=[ 2106], 99.90th=[ 2106], 99.95th=[ 2106], | 99.99th=[ 2106] lat (msec) : 250=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=3.77%, ctx=62, 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=144280: Fri Aug 14 23:34:03 2026 write: IOPS=1, BW=7642KiB/s (7825kB/s)(12.0MiB/1608msec); 0 zone resets clat (msec): min=428, max=612, avg=493.25, stdev=103.21 lat (msec): min=429, max=612, avg=493.73, stdev=103.12 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 439], 50.00th=[ 439], 60.00th=[ 439], | 70.00th=[ 609], 80.00th=[ 609], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 6660, max= 6660, per=79.25%, avg=6660.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 750=33.33% cpu : usr=0.00%, sys=8.28%, ctx=52, 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=144281: Fri Aug 14 23:34:03 2026 write: IOPS=1, BW=4353KiB/s (4457kB/s)(12.0MiB/2823msec); 0 zone resets clat (msec): min=374, max=1963, avg=912.46, stdev=909.89 lat (msec): min=374, max=1963, avg=912.91, stdev=909.89 clat percentiles (msec): | 1.00th=[ 376], 5.00th=[ 376], 10.00th=[ 376], 20.00th=[ 376], | 30.00th=[ 376], 40.00th=[ 401], 50.00th=[ 401], 60.00th=[ 401], | 70.00th=[ 1972], 80.00th=[ 1972], 90.00th=[ 1972], 95.00th=[ 1972], | 99.00th=[ 1972], 99.50th=[ 1972], 99.90th=[ 1972], 99.95th=[ 1972], | 99.99th=[ 1972] bw ( KiB/s): min= 7185, max= 8094, per=90.90%, avg=7639.50, stdev=642.76, 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=5.00%, ctx=45, 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=4202KiB/s (4303kB/s), 1051KiB/s-4198KiB/s (1076kB/s-4299kB/s), io=16.0MiB (16.8MB), run=2927-3899msec WRITE: bw=8404KiB/s (8606kB/s), 2101KiB/s-7642KiB/s (2151kB/s-7825kB/s), io=32.0MiB (33.6MB), run=1608-3899msec