== sanity test 398b: DIO and buffer IO race ============== 22:18:51 (1712024331) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB) copied, 2.0623 s, 24.4 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26088: Mon Apr 1 22:19:49 2024 read: IOPS=29, BW=116KiB/s (119kB/s)(5992KiB/51453msec) clat (usec): min=53, max=214470, avg=11211.42, stdev=10930.03 lat (usec): min=54, max=214471, avg=11212.66, stdev=10929.99 clat percentiles (usec): | 1.00th=[ 67], 5.00th=[ 81], 10.00th=[ 97], 20.00th=[ 4424], | 30.00th=[ 6652], 40.00th=[ 8029], 50.00th=[ 9634], 60.00th=[ 11338], | 70.00th=[ 13435], 80.00th=[ 16581], 90.00th=[ 22152], 95.00th=[ 28705], | 99.00th=[ 38011], 99.50th=[ 54264], 99.90th=[124257], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 15, max= 368, per=36.00%, avg=158.74, stdev=57.70, samples=74 iops : min= 3, max= 92, avg=39.42, stdev=14.49, samples=74 write: IOPS=30, BW=122KiB/s (125kB/s)(6296KiB/51453msec) clat (usec): min=503, max=14676k, avg=21977.11, stdev=369903.02 lat (usec): min=504, max=14676k, avg=21978.79, stdev=369903.00 clat percentiles (usec): | 1.00th=[ 619], 5.00th=[ 693], 10.00th=[ 742], | 20.00th=[ 1004], 30.00th=[ 2180], 40.00th=[ 5145], | 50.00th=[ 8979], 60.00th=[ 12387], 70.00th=[ 16450], | 80.00th=[ 21103], 90.00th=[ 29230], 95.00th=[ 37487], | 99.00th=[ 66323], 99.50th=[ 91751], 99.90th=[ 175113], | 99.95th=[14696842], 99.99th=[14696842] bw ( KiB/s): min= 7, max= 296, per=36.07%, avg=166.30, stdev=52.12, samples=74 iops : min= 1, max= 74, avg=41.31, stdev=13.10, samples=74 lat (usec) : 100=5.24%, 250=2.51%, 500=0.23%, 750=5.63%, 1000=4.79% lat (msec) : 2=4.65%, 4=4.75%, 10=25.07%, 20=29.65%, 50=16.18% lat (msec) : 100=0.98%, 250=0.29% cpu : usr=0.12%, sys=8.72%, ctx=4807, majf=0, minf=37 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=26089: Mon Apr 1 22:19:50 2024 read: IOPS=27, BW=110KiB/s (112kB/s)(5940KiB/54219msec) clat (usec): min=52, max=266479, avg=11490.08, stdev=12363.26 lat (usec): min=52, max=266480, avg=11491.63, stdev=12362.88 clat percentiles (usec): | 1.00th=[ 68], 5.00th=[ 81], 10.00th=[ 95], 20.00th=[ 2474], | 30.00th=[ 6587], 40.00th=[ 8356], 50.00th=[ 10028], 60.00th=[ 11731], | 70.00th=[ 14091], 80.00th=[ 17695], 90.00th=[ 22414], 95.00th=[ 26870], | 99.00th=[ 43254], 99.50th=[ 47973], 99.90th=[179307], 99.95th=[267387], | 99.99th=[267387] bw ( KiB/s): min= 8, max= 272, per=35.08%, avg=154.72, stdev=49.82, samples=76 iops : min= 2, max= 68, avg=38.45, stdev=12.48, samples=76 write: IOPS=29, BW=117KiB/s (120kB/s)(6348KiB/54219msec) clat (usec): min=475, max=16055k, avg=23359.57, stdev=403096.37 lat (usec): min=476, max=16055k, avg=23365.12, stdev=403097.12 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 676], 10.00th=[ 725], | 20.00th=[ 930], 30.00th=[ 2409], 40.00th=[ 5014], | 50.00th=[ 9241], 60.00th=[ 12649], 70.00th=[ 16581], | 80.00th=[ 21627], 90.00th=[ 29754], 95.00th=[ 38536], | 99.00th=[ 71828], 99.50th=[ 143655], 99.90th=[ 312476], | 99.95th=[16039019], 99.99th=[16039019] bw ( KiB/s): min= 8, max= 288, per=35.24%, avg=162.47, stdev=57.62, samples=77 iops : min= 2, max= 72, avg=40.38, stdev=14.48, samples=77 lat (usec) : 100=5.73%, 250=3.09%, 500=0.52%, 750=6.32%, 1000=4.65% lat (msec) : 2=3.58%, 4=5.34%, 10=21.61%, 20=30.63%, 50=17.15% lat (msec) : 100=0.88%, 250=0.39%, 500=0.07% cpu : usr=0.08%, sys=8.10%, ctx=4745, majf=0, minf=36 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=26090: Mon Apr 1 22:19:50 2024 read: IOPS=28, BW=113KiB/s (115kB/s)(6028KiB/53581msec) clat (usec): min=53, max=113598, avg=11259.76, stdev=9533.02 lat (usec): min=54, max=113600, avg=11260.90, stdev=9533.01 clat percentiles (usec): | 1.00th=[ 64], 5.00th=[ 80], 10.00th=[ 95], 20.00th=[ 4047], | 30.00th=[ 6456], 40.00th=[ 8291], 50.00th=[ 10028], 60.00th=[ 11731], | 70.00th=[ 13960], 80.00th=[ 17171], 90.00th=[ 22414], 95.00th=[ 27395], | 99.00th=[ 40633], 99.50th=[ 53740], 99.90th=[ 67634], 99.95th=[113771], | 99.99th=[113771] bw ( KiB/s): min= 31, max= 279, per=36.32%, avg=160.16, stdev=51.37, samples=75 iops : min= 7, max= 69, avg=39.77, stdev=12.93, samples=75 write: IOPS=29, BW=117KiB/s (120kB/s)(6260KiB/53581msec) clat (usec): min=520, max=15693k, avg=23349.42, stdev=397194.40 lat (usec): min=521, max=15693k, avg=23351.16, stdev=397194.40 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 693], 10.00th=[ 742], | 20.00th=[ 1123], 30.00th=[ 2540], 40.00th=[ 5932], | 50.00th=[ 9241], 60.00th=[ 12125], 70.00th=[ 16057], | 80.00th=[ 21365], 90.00th=[ 29492], 95.00th=[ 38011], | 99.00th=[ 65274], 99.50th=[ 90702], 99.90th=[ 784335], | 99.95th=[15636366], 99.99th=[15636366] bw ( KiB/s): min= 7, max= 272, per=35.07%, avg=161.69, stdev=52.51, samples=77 iops : min= 1, max= 68, avg=40.16, stdev=13.19, samples=77 lat (usec) : 100=5.89%, 250=2.60%, 500=0.39%, 750=5.57%, 1000=4.07% lat (msec) : 2=4.49%, 4=4.56%, 10=23.96%, 20=29.98%, 50=17.22% lat (msec) : 100=1.07%, 250=0.10%, 500=0.03%, 1000=0.03% cpu : usr=0.17%, sys=8.17%, ctx=4816, majf=0, minf=35 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=26091: Mon Apr 1 22:19:50 2024 read: IOPS=27, BW=111KiB/s (114kB/s)(6052KiB/54428msec) clat (usec): min=50, max=969683, avg=12428.88, stdev=31828.60 lat (usec): min=50, max=969684, avg=12434.10, stdev=31828.29 clat percentiles (usec): | 1.00th=[ 67], 5.00th=[ 80], 10.00th=[ 92], 20.00th=[ 791], | 30.00th=[ 6259], 40.00th=[ 7832], 50.00th=[ 9503], 60.00th=[ 11600], | 70.00th=[ 13829], 80.00th=[ 17171], 90.00th=[ 23462], 95.00th=[ 28967], | 99.00th=[ 46400], 99.50th=[ 63701], 99.90th=[624952], 99.95th=[968885], | 99.99th=[968885] bw ( KiB/s): min= 16, max= 296, per=34.89%, avg=153.84, stdev=55.92, samples=77 iops : min= 4, max= 74, avg=38.13, stdev=14.03, samples=77 write: IOPS=28, BW=115KiB/s (117kB/s)(6236KiB/54428msec) clat (usec): min=454, max=15000k, avg=22802.80, stdev=379978.01 lat (usec): min=457, max=15000k, avg=22806.02, stdev=379978.00 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 676], 10.00th=[ 734], | 20.00th=[ 979], 30.00th=[ 2343], 40.00th=[ 5473], | 50.00th=[ 9634], 60.00th=[ 13042], 70.00th=[ 16712], | 80.00th=[ 21365], 90.00th=[ 30540], 95.00th=[ 40109], | 99.00th=[ 62129], 99.50th=[ 84411], 99.90th=[ 375391], | 99.95th=[14965277], 99.99th=[14965277] bw ( KiB/s): min= 8, max= 359, per=34.01%, avg=156.79, stdev=61.46, samples=78 iops : min= 2, max= 89, avg=38.87, stdev=15.33, samples=78 lat (usec) : 100=6.41%, 250=3.09%, 500=0.26%, 750=5.99%, 1000=4.39% lat (msec) : 2=4.39%, 4=4.85%, 10=22.14%, 20=29.75%, 50=17.15% lat (msec) : 100=1.17%, 250=0.23%, 500=0.07%, 750=0.03%, 1000=0.03% cpu : usr=0.12%, sys=8.15%, ctx=4753, majf=0, minf=32 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=441KiB/s (452kB/s), 110KiB/s-116KiB/s (112kB/s-119kB/s), io=23.4MiB (24.6MB), run=51453-54428msec WRITE: bw=462KiB/s (473kB/s), 115KiB/s-122KiB/s (117kB/s-125kB/s), io=24.6MiB (25.7MB), run=51453-54428msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26082: Mon Apr 1 22:21:46 2024 read: IOPS=8, BW=35.2KiB/s (36.0kB/s)(5992KiB/170331msec) clat (msec): min=3, max=296, avg=11.56, stdev=12.59 lat (msec): min=3, max=296, avg=11.57, stdev=12.59 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 11], 80.00th=[ 13], 90.00th=[ 21], 95.00th=[ 32], | 99.00th=[ 62], 99.50th=[ 70], 99.90th=[ 109], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 7, max= 128, per=27.84%, avg=38.98, stdev=24.22, samples=304 iops : min= 1, max= 32, avg= 9.47, stdev= 6.09, samples=304 write: IOPS=9, BW=36.0KiB/s (37.8kB/s)(6296KiB/170331msec) clat (msec): min=26, max=13517, avg=97.12, stdev=340.20 lat (msec): min=26, max=13517, avg=97.12, stdev=340.20 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 48], 10.00th=[ 54], 20.00th=[ 61], | 30.00th=[ 68], 40.00th=[ 75], 50.00th=[ 84], 60.00th=[ 91], | 70.00th=[ 101], 80.00th=[ 111], 90.00th=[ 132], 95.00th=[ 153], | 99.00th=[ 211], 99.50th=[ 243], 99.90th=[ 296], 99.95th=[13489], | 99.99th=[13489] bw ( KiB/s): min= 15, max= 64, per=27.03%, avg=39.73, stdev=11.92, samples=313 iops : min= 3, max= 16, avg= 9.66, stdev= 3.04, samples=313 lat (msec) : 4=0.65%, 10=31.67%, 20=11.56%, 50=7.68%, 100=33.11% lat (msec) : 250=15.14%, 500=0.16% cpu : usr=0.03%, sys=2.09%, ctx=3390, majf=0, minf=33 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=26083: Mon Apr 1 22:21:46 2024 read: IOPS=8, BW=34.8KiB/s (35.6kB/s)(5940KiB/170736msec) clat (msec): min=2, max=375, avg=11.34, stdev=16.49 lat (msec): min=2, max=375, avg=11.34, stdev=16.49 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 9], | 70.00th=[ 11], 80.00th=[ 13], 90.00th=[ 19], 95.00th=[ 29], | 99.00th=[ 56], 99.50th=[ 71], 99.90th=[ 359], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 7, max= 134, per=28.23%, avg=39.52, stdev=22.80, samples=297 iops : min= 1, max= 33, avg= 9.58, stdev= 5.72, samples=297 write: IOPS=9, BW=37.2KiB/s (38.1kB/s)(6348KiB/170736msec) clat (msec): min=28, max=13583, avg=96.88, stdev=340.63 lat (msec): min=28, max=13583, avg=96.89, stdev=340.63 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 47], 10.00th=[ 53], 20.00th=[ 61], | 30.00th=[ 68], 40.00th=[ 74], 50.00th=[ 82], 60.00th=[ 90], | 70.00th=[ 99], 80.00th=[ 110], 90.00th=[ 133], 95.00th=[ 155], | 99.00th=[ 222], 99.50th=[ 249], 99.90th=[ 351], 99.95th=[13624], | 99.99th=[13624] bw ( KiB/s): min= 8, max= 72, per=27.18%, avg=39.96, stdev=12.30, samples=314 iops : min= 2, max= 18, avg= 9.69, stdev= 3.12, samples=314 lat (msec) : 4=0.78%, 10=32.06%, 20=11.04%, 50=7.65%, 100=33.95% lat (msec) : 250=14.23%, 500=0.26% cpu : usr=0.03%, sys=2.07%, ctx=3413, majf=0, minf=34 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=26084: Mon Apr 1 22:21:46 2024 read: IOPS=8, BW=35.3KiB/s (36.1kB/s)(6028KiB/170791msec) clat (msec): min=3, max=14356, avg=21.02, stdev=369.90 lat (msec): min=3, max=14356, avg=21.02, stdev=369.90 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 11], 80.00th=[ 13], 90.00th=[ 21], 95.00th=[ 29], | 99.00th=[ 61], 99.50th=[ 86], 99.90th=[ 514], 99.95th=[14295], | 99.99th=[14295] bw ( KiB/s): min= 7, max= 120, per=28.14%, avg=39.40, stdev=23.06, samples=303 iops : min= 1, max= 30, avg= 9.60, stdev= 5.81, samples=303 write: IOPS=9, BW=36.7KiB/s (37.5kB/s)(6260KiB/170791msec) clat (msec): min=31, max=451, avg=88.80, stdev=35.99 lat (msec): min=31, max=451, avg=88.80, stdev=35.99 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 47], 10.00th=[ 53], 20.00th=[ 62], | 30.00th=[ 68], 40.00th=[ 75], 50.00th=[ 82], 60.00th=[ 90], | 70.00th=[ 99], 80.00th=[ 111], 90.00th=[ 132], 95.00th=[ 155], | 99.00th=[ 209], 99.50th=[ 232], 99.90th=[ 393], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 7, max= 72, per=27.00%, avg=39.69, stdev=11.93, samples=312 iops : min= 1, max= 18, avg= 9.67, stdev= 3.03, samples=312 lat (msec) : 4=0.75%, 10=31.74%, 20=11.62%, 50=7.91%, 100=33.30% lat (msec) : 250=14.39%, 500=0.23%, 750=0.03% cpu : usr=0.03%, sys=2.09%, ctx=3354, majf=0, minf=33 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=26085: Mon Apr 1 22:21:46 2024 read: IOPS=8, BW=35.5KiB/s (36.4kB/s)(6052KiB/170460msec) clat (msec): min=3, max=111, avg=10.62, stdev= 8.78 lat (msec): min=3, max=111, avg=10.62, stdev= 8.78 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 8], 60.00th=[ 9], | 70.00th=[ 11], 80.00th=[ 13], 90.00th=[ 20], 95.00th=[ 27], | 99.00th=[ 51], 99.50th=[ 63], 99.90th=[ 86], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 7, max= 112, per=29.15%, avg=40.81, stdev=22.88, samples=293 iops : min= 1, max= 28, avg= 9.91, stdev= 5.76, samples=293 write: IOPS=9, BW=36.6KiB/s (37.5kB/s)(6236KiB/170460msec) clat (msec): min=28, max=14888, avg=98.93, stdev=376.63 lat (msec): min=28, max=14888, avg=98.94, stdev=376.63 clat percentiles (msec): | 1.00th=[ 38], 5.00th=[ 46], 10.00th=[ 52], 20.00th=[ 61], | 30.00th=[ 69], 40.00th=[ 75], 50.00th=[ 84], 60.00th=[ 92], | 70.00th=[ 101], 80.00th=[ 112], 90.00th=[ 133], 95.00th=[ 163], | 99.00th=[ 215], 99.50th=[ 239], 99.90th=[ 456], 99.95th=[14832], | 99.99th=[14832] bw ( KiB/s): min= 7, max= 71, per=26.99%, avg=39.67, stdev=12.10, samples=310 iops : min= 1, max= 17, avg= 9.62, stdev= 3.07, samples=310 lat (msec) : 4=0.85%, 10=32.98%, 20=10.97%, 50=8.37%, 100=31.51% lat (msec) : 250=15.14%, 500=0.16% cpu : usr=0.06%, sys=2.03%, ctx=3340, majf=0, minf=34 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=141KiB/s (144kB/s), 34.8KiB/s-35.5KiB/s (35.6kB/s-36.4kB/s), io=23.4MiB (24.6MB), run=170331-170791msec WRITE: bw=147KiB/s (151kB/s), 36.6KiB/s-37.2KiB/s (37.5kB/s-38.1kB/s), io=24.6MiB (25.7MB), run=170331-170791msec 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-3.7 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-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26237: Mon Apr 1 22:22:16 2024 read: IOPS=12, BW=206KiB/s (211kB/s)(5920KiB/28797msec) clat (usec): min=54, max=178697, avg=26014.02, stdev=21299.46 lat (usec): min=54, max=178699, avg=26015.17, stdev=21299.46 clat percentiles (usec): | 1.00th=[ 63], 5.00th=[ 85], 10.00th=[ 91], 20.00th=[ 109], | 30.00th=[ 17695], 40.00th=[ 25822], 50.00th=[ 29230], 60.00th=[ 31065], | 70.00th=[ 34866], 80.00th=[ 39060], 90.00th=[ 46400], 95.00th=[ 52167], | 99.00th=[103285], 99.50th=[135267], 99.90th=[179307], 99.95th=[179307], | 99.99th=[179307] bw ( KiB/s): min= 159, max= 800, per=52.30%, avg=434.65, stdev=149.72, samples=26 iops : min= 9, max= 50, avg=26.92, stdev= 9.33, samples=26 write: IOPS=13, BW=221KiB/s (226kB/s)(6368KiB/28797msec) clat (usec): min=664, max=16028k, avg=48031.58, stdev=803110.60 lat (usec): min=665, max=16028k, avg=48037.63, stdev=803110.43 clat percentiles (usec): | 1.00th=[ 799], 5.00th=[ 898], 10.00th=[ 979], | 20.00th=[ 1090], 30.00th=[ 1352], 40.00th=[ 1991], | 50.00th=[ 3097], 60.00th=[ 6259], 70.00th=[ 8979], | 80.00th=[ 12911], 90.00th=[ 19530], 95.00th=[ 25822], | 99.00th=[ 60556], 99.50th=[ 92799], 99.90th=[16039019], | 99.95th=[16039019], 99.99th=[16039019] bw ( KiB/s): min= 96, max= 958, per=54.11%, avg=473.50, stdev=213.49, samples=26 iops : min= 6, max= 59, avg=29.35, stdev=13.34, samples=26 lat (usec) : 100=7.81%, 250=4.17%, 500=0.78%, 750=0.13%, 1000=6.25% lat (msec) : 2=15.23%, 4=7.03%, 10=9.90%, 20=10.81%, 50=33.59% lat (msec) : 100=3.65%, 250=0.52% cpu : usr=0.05%, sys=5.27%, ctx=1730, majf=0, minf=37 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=26238: Mon Apr 1 22:22:16 2024 read: IOPS=12, BW=201KiB/s (206kB/s)(5744KiB/28517msec) clat (usec): min=58, max=2115.1k, avg=31829.23, stdev=111719.50 lat (usec): min=59, max=2115.1k, avg=31830.36, stdev=111719.48 clat percentiles (usec): | 1.00th=[ 68], 5.00th=[ 82], 10.00th=[ 92], | 20.00th=[ 120], 30.00th=[ 21103], 40.00th=[ 26084], | 50.00th=[ 29230], 60.00th=[ 32375], 70.00th=[ 36439], | 80.00th=[ 40633], 90.00th=[ 45876], 95.00th=[ 52691], | 99.00th=[ 65274], 99.50th=[ 98042], 99.90th=[2122318], | 99.95th=[2122318], 99.99th=[2122318] bw ( KiB/s): min= 128, max= 672, per=49.26%, avg=409.32, stdev=140.58, samples=28 iops : min= 8, max= 42, avg=25.07, stdev= 8.76, samples=28 write: IOPS=14, BW=229KiB/s (235kB/s)(6544KiB/28517msec) clat (usec): min=757, max=13695k, avg=41678.82, stdev=676897.66 lat (usec): min=759, max=13695k, avg=41681.50, stdev=676897.60 clat percentiles (usec): | 1.00th=[ 848], 5.00th=[ 938], 10.00th=[ 1020], | 20.00th=[ 1139], 30.00th=[ 1401], 40.00th=[ 1844], | 50.00th=[ 3556], 60.00th=[ 6521], 70.00th=[ 8848], | 80.00th=[ 13435], 90.00th=[ 18220], 95.00th=[ 24511], | 99.00th=[ 78119], 99.50th=[ 110625], 99.90th=[13757318], | 99.95th=[13757318], 99.99th=[13757318] bw ( KiB/s): min= 64, max= 926, per=53.16%, avg=465.14, stdev=189.78, samples=28 iops : min= 4, max= 57, avg=28.57, stdev=11.81, samples=28 lat (usec) : 100=6.51%, 250=5.08%, 500=0.13%, 750=0.13%, 1000=4.69% lat (msec) : 2=17.84%, 4=5.73%, 10=11.07%, 20=11.72%, 50=32.94% lat (msec) : 100=3.65%, 250=0.26% cpu : usr=0.11%, sys=5.36%, ctx=1794, majf=0, minf=34 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=26239: Mon Apr 1 22:22:16 2024 read: IOPS=13, BW=220KiB/s (226kB/s)(6256KiB/28403msec) clat (usec): min=59, max=95111, avg=24608.12, stdev=18267.15 lat (usec): min=59, max=95112, avg=24614.42, stdev=18266.30 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 78], 10.00th=[ 90], 20.00th=[ 109], | 30.00th=[18482], 40.00th=[24773], 50.00th=[28443], 60.00th=[31851], | 70.00th=[34866], 80.00th=[38536], 90.00th=[45876], 95.00th=[50070], | 99.00th=[66847], 99.50th=[80217], 99.90th=[94897], 99.95th=[94897], | 99.99th=[94897] bw ( KiB/s): min= 192, max= 704, per=57.02%, avg=473.80, stdev=125.59, samples=25 iops : min= 12, max= 44, avg=29.16, stdev= 7.80, samples=25 write: IOPS=13, BW=212KiB/s (217kB/s)(6032KiB/28403msec) clat (usec): min=745, max=15828k, avg=49619.55, stdev=814824.05 lat (usec): min=748, max=15828k, avg=49622.04, stdev=814824.04 clat percentiles (usec): | 1.00th=[ 840], 5.00th=[ 906], 10.00th=[ 988], | 20.00th=[ 1106], 30.00th=[ 1450], 40.00th=[ 1926], | 50.00th=[ 2966], 60.00th=[ 6521], 70.00th=[ 9634], | 80.00th=[ 12256], 90.00th=[ 18744], 95.00th=[ 28443], | 99.00th=[ 53740], 99.50th=[ 66847], 99.90th=[15770584], | 99.95th=[15770584], 99.99th=[15770584] bw ( KiB/s): min= 159, max= 704, per=50.77%, avg=444.28, stdev=148.53, samples=25 iops : min= 9, max= 44, avg=27.32, stdev= 9.27, samples=25 lat (usec) : 100=8.20%, 250=5.60%, 500=0.39%, 750=0.78%, 1000=5.47% lat (msec) : 2=15.10%, 4=5.60%, 10=9.24%, 20=10.94%, 50=35.42% lat (msec) : 100=3.12% cpu : usr=0.02%, sys=5.25%, ctx=1805, majf=0, minf=35 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=26240: Mon Apr 1 22:22:16 2024 read: IOPS=13, BW=210KiB/s (215kB/s)(6032KiB/28673msec) clat (usec): min=40, max=15957k, avg=67681.88, stdev=820741.64 lat (usec): min=41, max=15957k, avg=67683.51, stdev=820741.64 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 74], 10.00th=[ 84], | 20.00th=[ 108], 30.00th=[ 19792], 40.00th=[ 25035], | 50.00th=[ 28705], 60.00th=[ 33162], 70.00th=[ 36439], | 80.00th=[ 40109], 90.00th=[ 45351], 95.00th=[ 51643], | 99.00th=[ 74974], 99.50th=[ 143655], 99.90th=[15904801], | 99.95th=[15904801], 99.99th=[15904801] bw ( KiB/s): min= 250, max= 768, per=53.22%, avg=442.23, stdev=141.75, samples=26 iops : min= 15, max= 48, avg=27.23, stdev= 9.02, samples=26 write: IOPS=13, BW=218KiB/s (223kB/s)(6256KiB/28673msec) clat (usec): min=802, max=89578, avg=7957.65, stdev=10328.54 lat (usec): min=803, max=89579, avg=7959.69, stdev=10328.56 clat percentiles (usec): | 1.00th=[ 824], 5.00th=[ 947], 10.00th=[ 1020], 20.00th=[ 1156], | 30.00th=[ 1500], 40.00th=[ 2245], 50.00th=[ 3458], 60.00th=[ 6456], | 70.00th=[10028], 80.00th=[13042], 90.00th=[19268], 95.00th=[25297], | 99.00th=[52167], 99.50th=[70779], 99.90th=[89654], 99.95th=[89654], | 99.99th=[89654] bw ( KiB/s): min= 127, max= 892, per=52.90%, avg=462.88, stdev=192.75, samples=26 iops : min= 7, max= 55, avg=28.54, stdev=12.10, samples=26 lat (usec) : 50=0.13%, 100=8.72%, 250=3.91%, 500=0.26%, 750=0.26% lat (usec) : 1000=4.95% lat (msec) : 2=15.23%, 4=7.81%, 10=8.72%, 20=11.07%, 50=35.42% lat (msec) : 100=3.12%, 250=0.26% cpu : usr=0.07%, sys=5.28%, ctx=1835, majf=0, minf=34 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=832KiB/s (852kB/s), 201KiB/s-220KiB/s (206kB/s-226kB/s), io=23.4MiB (24.5MB), run=28403-28797msec WRITE: bw=875KiB/s (896kB/s), 212KiB/s-229KiB/s (217kB/s-235kB/s), io=24.6MiB (25.8MB), run=28403-28797msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26242: Mon Apr 1 22:22:39 2024 read: IOPS=7, BW=114KiB/s (117kB/s)(5920KiB/51972msec) clat (msec): min=3, max=16058, avg=55.74, stdev=834.28 lat (msec): min=3, max=16058, avg=55.74, stdev=834.28 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 12], 80.00th=[ 15], 90.00th=[ 23], 95.00th=[ 37], | 99.00th=[ 68], 99.50th=[ 122], 99.90th=[16040], 99.95th=[16040], | 99.99th=[16040] bw ( KiB/s): min= 31, max= 416, per=35.73%, avg=163.30, stdev=87.64, samples=70 iops : min= 1, max= 26, avg= 9.89, stdev= 5.56, samples=70 write: IOPS=7, BW=123KiB/s (125kB/s)(6368KiB/51972msec) clat (msec): min=31, max=173, avg=78.71, stdev=27.38 lat (msec): min=31, max=173, avg=78.72, stdev=27.38 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 43], 10.00th=[ 48], 20.00th=[ 55], | 30.00th=[ 63], 40.00th=[ 69], 50.00th=[ 75], 60.00th=[ 82], | 70.00th=[ 89], 80.00th=[ 100], 90.00th=[ 116], 95.00th=[ 133], | 99.00th=[ 165], 99.50th=[ 174], 99.90th=[ 174], 99.95th=[ 174], | 99.99th=[ 174] bw ( KiB/s): min= 63, max= 256, per=35.86%, avg=172.50, stdev=49.39, samples=72 iops : min= 3, max= 16, avg=10.47, stdev= 3.12, samples=72 lat (msec) : 4=0.39%, 10=29.82%, 20=11.72%, 50=11.98%, 100=35.68% lat (msec) : 250=10.29% cpu : usr=0.06%, sys=1.98%, ctx=936, majf=0, minf=32 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=26243: Mon Apr 1 22:22:39 2024 read: IOPS=6, BW=110KiB/s (112kB/s)(5744KiB/52356msec) clat (msec): min=3, max=120, avg=12.55, stdev=12.02 lat (msec): min=3, max=120, avg=12.55, stdev=12.02 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 12], 80.00th=[ 16], 90.00th=[ 25], 95.00th=[ 37], | 99.00th=[ 55], 99.50th=[ 84], 99.90th=[ 121], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 31, max= 415, per=33.63%, avg=153.70, stdev=88.84, samples=73 iops : min= 1, max= 25, avg= 9.27, stdev= 5.48, samples=73 write: IOPS=7, BW=125KiB/s (128kB/s)(6544KiB/52356msec) clat (msec): min=21, max=16086, avg=116.89, stdev=792.14 lat (msec): min=21, max=16086, avg=116.90, stdev=792.14 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 40], 10.00th=[ 47], 20.00th=[ 54], | 30.00th=[ 61], 40.00th=[ 68], 50.00th=[ 75], 60.00th=[ 82], | 70.00th=[ 89], 80.00th=[ 100], 90.00th=[ 115], 95.00th=[ 126], | 99.00th=[ 194], 99.50th=[ 209], 99.90th=[16040], 99.95th=[16040], | 99.99th=[16040] bw ( KiB/s): min= 31, max= 396, per=36.31%, avg=174.67, stdev=58.35, samples=73 iops : min= 1, max= 24, avg=10.58, stdev= 3.69, samples=73 lat (msec) : 4=0.52%, 10=28.65%, 20=10.42%, 50=13.67%, 100=37.11% lat (msec) : 250=9.51% cpu : usr=0.04%, sys=1.98%, ctx=910, majf=0, minf=33 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=26244: Mon Apr 1 22:22:39 2024 read: IOPS=7, BW=122KiB/s (125kB/s)(6256KiB/51229msec) clat (usec): min=3578, max=80489, avg=12611.44, stdev=11404.04 lat (usec): min=3579, max=80490, avg=12613.31, stdev=11403.93 clat percentiles (usec): | 1.00th=[ 3916], 5.00th=[ 4752], 10.00th=[ 5276], 20.00th=[ 6128], | 30.00th=[ 6980], 40.00th=[ 7635], 50.00th=[ 8586], 60.00th=[ 9503], | 70.00th=[11469], 80.00th=[15533], 90.00th=[24773], 95.00th=[38011], | 99.00th=[60031], 99.50th=[79168], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 32, max= 512, per=39.62%, avg=181.04, stdev=116.86, samples=69 iops : min= 2, max= 32, avg=11.04, stdev= 7.29, samples=69 write: IOPS=7, BW=118KiB/s (121kB/s)(6032KiB/51229msec) clat (msec): min=35, max=16043, avg=122.73, stdev=822.60 lat (msec): min=35, max=16043, avg=122.73, stdev=822.60 clat percentiles (msec): | 1.00th=[ 38], 5.00th=[ 44], 10.00th=[ 49], 20.00th=[ 59], | 30.00th=[ 65], 40.00th=[ 72], 50.00th=[ 78], 60.00th=[ 84], | 70.00th=[ 90], 80.00th=[ 99], 90.00th=[ 116], 95.00th=[ 133], | 99.00th=[ 186], 99.50th=[ 197], 99.90th=[16040], 99.95th=[16040], | 99.99th=[16040] bw ( KiB/s): min= 63, max= 256, per=34.89%, avg=167.80, stdev=44.55, samples=71 iops : min= 3, max= 16, avg=10.23, stdev= 2.85, samples=71 lat (msec) : 4=0.52%, 10=31.51%, 20=11.59%, 50=11.59%, 100=35.42% lat (msec) : 250=9.24% cpu : usr=0.00%, sys=2.05%, ctx=953, majf=0, minf=33 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=26245: Mon Apr 1 22:22:39 2024 read: IOPS=7, BW=117KiB/s (120kB/s)(6032KiB/51643msec) clat (msec): min=3, max=16078, avg=54.78, stdev=827.50 lat (msec): min=3, max=16078, avg=54.78, stdev=827.50 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 9], 50.00th=[ 10], 60.00th=[ 11], | 70.00th=[ 13], 80.00th=[ 16], 90.00th=[ 22], 95.00th=[ 31], | 99.00th=[ 73], 99.50th=[ 88], 99.90th=[16040], 99.95th=[16040], | 99.99th=[16040] bw ( KiB/s): min= 31, max= 416, per=36.21%, avg=165.47, stdev=96.28, samples=72 iops : min= 1, max= 26, avg=10.06, stdev= 6.04, samples=72 write: IOPS=7, BW=121KiB/s (124kB/s)(6256KiB/51643msec) clat (msec): min=32, max=204, avg=79.19, stdev=25.96 lat (msec): min=32, max=204, avg=79.19, stdev=25.96 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 45], 10.00th=[ 48], 20.00th=[ 58], | 30.00th=[ 65], 40.00th=[ 71], 50.00th=[ 77], 60.00th=[ 83], | 70.00th=[ 89], 80.00th=[ 97], 90.00th=[ 111], 95.00th=[ 126], | 99.00th=[ 174], 99.50th=[ 190], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 63, max= 287, per=35.87%, avg=172.56, stdev=47.93, samples=72 iops : min= 3, max= 17, avg=10.50, stdev= 3.01, samples=72 lat (msec) : 4=0.39%, 10=28.78%, 20=13.93%, 50=11.20%, 100=37.11% lat (msec) : 250=8.46% cpu : usr=0.01%, sys=1.97%, ctx=916, majf=0, minf=34 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=457KiB/s (468kB/s), 110KiB/s-122KiB/s (112kB/s-125kB/s), io=23.4MiB (24.5MB), run=51229-52356msec WRITE: bw=481KiB/s (493kB/s), 118KiB/s-125KiB/s (121kB/s-128kB/s), io=24.6MiB (25.8MB), run=51229-52356msec 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26303: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=861KiB/s (881kB/s)(7168KiB/8327msec) clat (usec): min=558, max=2731.8k, avg=1149541.35, stdev=920787.80 lat (usec): min=561, max=2731.8k, avg=1149543.06, stdev=920787.08 clat percentiles (usec): | 1.00th=[ 562], 5.00th=[ 562], 10.00th=[ 562], | 20.00th=[ 129500], 30.00th=[1132463], 40.00th=[1132463], | 50.00th=[1132463], 60.00th=[1333789], 70.00th=[1333789], | 80.00th=[1585447], 90.00th=[2734687], 95.00th=[2734687], | 99.00th=[2734687], 99.50th=[2734687], 99.90th=[2734687], | 99.95th=[2734687], 99.99th=[2734687] bw ( KiB/s): min= 1723, max= 4071, per=94.48%, avg=2323.20, stdev=990.35, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 0.84, samples=5 write: IOPS=0, BW=615KiB/s (630kB/s)(5120KiB/8327msec) clat (msec): min=22, max=124, avg=53.64, stdev=42.24 lat (msec): min=22, max=124, avg=53.75, stdev=42.26 clat percentiles (msec): | 1.00th=[ 23], 5.00th=[ 23], 10.00th=[ 23], 20.00th=[ 23], | 30.00th=[ 25], 40.00th=[ 25], 50.00th=[ 39], 60.00th=[ 39], | 70.00th=[ 59], 80.00th=[ 59], 90.00th=[ 125], 95.00th=[ 125], | 99.00th=[ 125], 99.50th=[ 125], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] bw ( KiB/s): min= 1723, max= 5180, per=86.53%, avg=2979.33, stdev=1912.21, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 lat (usec) : 750=8.33% lat (msec) : 50=25.00%, 100=8.33%, 250=16.67% cpu : usr=0.10%, sys=10.47%, ctx=1435, majf=0, minf=34 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=26304: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=366KiB/s (375kB/s)(2048KiB/5591msec) clat (msec): min=75, max=1937, avg=1006.55, stdev=1316.59 lat (msec): min=75, max=1937, avg=1006.55, stdev=1316.59 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 77], | 30.00th=[ 77], 40.00th=[ 77], 50.00th=[ 77], 60.00th=[ 1938], | 70.00th=[ 1938], 80.00th=[ 1938], 90.00th=[ 1938], 95.00th=[ 1938], | 99.00th=[ 1938], 99.50th=[ 1938], 99.90th=[ 1938], 99.95th=[ 1938], | 99.99th=[ 1938] bw ( KiB/s): min= 2043, max= 2048, per=83.18%, avg=2045.50, stdev= 3.54, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1832KiB/s (1875kB/s)(10.0MiB/5591msec) clat (msec): min=25, max=1859, avg=355.74, stdev=651.86 lat (msec): min=25, max=1859, avg=355.84, stdev=651.84 clat percentiles (msec): | 1.00th=[ 26], 5.00th=[ 26], 10.00th=[ 26], 20.00th=[ 26], | 30.00th=[ 27], 40.00th=[ 30], 50.00th=[ 44], 60.00th=[ 47], | 70.00th=[ 188], 80.00th=[ 188], 90.00th=[ 1267], 95.00th=[ 1854], | 99.00th=[ 1854], 99.50th=[ 1854], 99.90th=[ 1854], 99.95th=[ 1854], | 99.99th=[ 1854] bw ( KiB/s): min= 2043, max= 8192, per=100.00%, avg=4599.25, stdev=3070.63, samples=4 iops : min= 1, max= 8, avg= 3.75, stdev= 3.40, samples=4 lat (msec) : 50=50.00%, 100=16.67%, 250=8.33% cpu : usr=0.04%, sys=13.56%, ctx=410, majf=0, minf=34 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=26305: Mon Apr 1 22:22:49 2024 read: IOPS=1, BW=2007KiB/s (2055kB/s)(6144KiB/3062msec) clat (usec): min=1009, max=1288.6k, avg=250911.22, stdev=511181.06 lat (usec): min=1011, max=1288.6k, avg=250913.10, stdev=511181.31 clat percentiles (usec): | 1.00th=[ 1012], 5.00th=[ 1012], 10.00th=[ 1012], | 20.00th=[ 1909], 30.00th=[ 1909], 40.00th=[ 3458], | 50.00th=[ 3458], 60.00th=[ 77071], 70.00th=[ 132645], | 80.00th=[ 132645], 90.00th=[1283458], 95.00th=[1283458], | 99.00th=[1283458], 99.50th=[1283458], 99.90th=[1283458], | 99.95th=[1283458], 99.99th=[1283458] bw ( KiB/s): min= 2039, max= 4096, per=100.00%, avg=2727.67, stdev=1185.02, samples=3 iops : min= 1, max= 4, avg= 2.33, stdev= 1.53, samples=3 write: IOPS=1, BW=2007KiB/s (2055kB/s)(6144KiB/3062msec) clat (msec): min=26, max=1326, avg=257.41, stdev=523.86 lat (msec): min=26, max=1326, avg=257.50, stdev=523.88 clat percentiles (msec): | 1.00th=[ 27], 5.00th=[ 27], 10.00th=[ 27], 20.00th=[ 33], | 30.00th=[ 33], 40.00th=[ 45], 50.00th=[ 45], 60.00th=[ 53], | 70.00th=[ 62], 80.00th=[ 62], 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= 2039, max= 4096, per=74.29%, avg=2557.75, stdev=1025.51, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.26, samples=4 lat (msec) : 2=16.67%, 4=8.33%, 50=25.00%, 100=25.00%, 250=8.33% cpu : usr=0.00%, sys=9.41%, ctx=346, majf=0, minf=34 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=26306: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=727KiB/s (745kB/s)(5120KiB/7038msec) clat (msec): min=64, max=1398, avg=1079.69, stdev=570.74 lat (msec): min=64, max=1398, avg=1079.69, stdev=570.74 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 65], 10.00th=[ 65], 20.00th=[ 65], | 30.00th=[ 1250], 40.00th=[ 1250], 50.00th=[ 1284], 60.00th=[ 1284], | 70.00th=[ 1385], 80.00th=[ 1385], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 2043, max= 2048, per=83.24%, avg=2046.75, stdev= 2.50, samples=4 iops : min= 1, max= 2, avg= 1.75, stdev= 0.50, samples=4 write: IOPS=0, BW=1018KiB/s (1043kB/s)(7168KiB/7038msec) clat (msec): min=28, max=1287, avg=232.25, stdev=465.74 lat (msec): min=28, max=1287, avg=232.49, stdev=465.66 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 29], 10.00th=[ 29], 20.00th=[ 47], | 30.00th=[ 56], 40.00th=[ 56], 50.00th=[ 58], 60.00th=[ 58], | 70.00th=[ 58], 80.00th=[ 92], 90.00th=[ 1284], 95.00th=[ 1284], | 99.00th=[ 1284], 99.50th=[ 1284], 99.90th=[ 1284], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 2043, max= 6131, per=100.00%, avg=3577.25, stdev=1955.68, samples=4 iops : min= 1, max= 5, avg= 2.75, stdev= 1.71, samples=4 lat (msec) : 50=16.67%, 100=41.67% cpu : usr=0.00%, sys=9.92%, ctx=1134, majf=0, minf=31 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=2459KiB/s (2518kB/s), 366KiB/s-2007KiB/s (375kB/s-2055kB/s), io=20.0MiB (20.0MB), run=3062-8327msec WRITE: bw=3443KiB/s (3526kB/s), 615KiB/s-2007KiB/s (630kB/s-2055kB/s), io=28.0MiB (29.4MB), run=3062-8327msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26308: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=849KiB/s (870kB/s)(7168KiB/8441msec) clat (msec): min=38, max=1986, avg=707.80, stdev=800.92 lat (msec): min=38, max=1986, avg=707.80, stdev=800.92 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 40], 10.00th=[ 40], 20.00th=[ 42], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 157], 60.00th=[ 1250], | 70.00th=[ 1250], 80.00th=[ 1351], 90.00th=[ 1989], 95.00th=[ 1989], | 99.00th=[ 1989], 99.50th=[ 1989], 99.90th=[ 1989], 99.95th=[ 1989], | 99.99th=[ 1989] bw ( KiB/s): min= 1721, max= 2048, per=81.67%, avg=1981.33, stdev=129.95, samples=6 iops : min= 1, max= 2, avg= 1.50, stdev= 0.55, samples=6 write: IOPS=0, BW=607KiB/s (621kB/s)(5120KiB/8441msec) clat (msec): min=137, max=1418, avg=696.45, stdev=557.50 lat (msec): min=137, max=1418, avg=696.88, stdev=557.09 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 138], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 776], 60.00th=[ 776], | 70.00th=[ 1011], 80.00th=[ 1011], 90.00th=[ 1418], 95.00th=[ 1418], | 99.00th=[ 1418], 99.50th=[ 1418], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 1984, max= 3442, per=73.36%, avg=2491.33, stdev=823.92, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 lat (msec) : 50=16.67%, 250=33.33%, 1000=8.33% cpu : usr=0.01%, sys=2.01%, ctx=56, majf=0, minf=33 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=26309: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=360KiB/s (369kB/s)(2048KiB/5685msec) clat (usec): min=42895, max=70791, avg=56843.65, stdev=19725.87 lat (usec): min=42896, max=70794, avg=56845.84, stdev=19726.68 clat percentiles (usec): | 1.00th=[42730], 5.00th=[42730], 10.00th=[42730], 20.00th=[42730], | 30.00th=[42730], 40.00th=[42730], 50.00th=[42730], 60.00th=[70779], | 70.00th=[70779], 80.00th=[70779], 90.00th=[70779], 95.00th=[70779], | 99.00th=[70779], 99.50th=[70779], 99.90th=[70779], 99.95th=[70779], | 99.99th=[70779] bw ( KiB/s): min= 2048, max= 2048, per=84.42%, avg=2048.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1801KiB/s (1844kB/s)(10.0MiB/5685msec) clat (msec): min=68, max=2309, avg=556.76, stdev=776.87 lat (msec): min=68, max=2309, avg=556.86, stdev=776.86 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 69], 10.00th=[ 69], 20.00th=[ 74], | 30.00th=[ 82], 40.00th=[ 121], 50.00th=[ 127], 60.00th=[ 146], | 70.00th=[ 1099], 80.00th=[ 1099], 90.00th=[ 1385], 95.00th=[ 2299], | 99.00th=[ 2299], 99.50th=[ 2299], 99.90th=[ 2299], 99.95th=[ 2299], | 99.99th=[ 2299] bw ( KiB/s): min= 2048, max= 6144, per=100.00%, avg=4605.75, stdev=1961.60, samples=4 iops : min= 2, max= 6, avg= 4.25, stdev= 2.06, samples=4 lat (msec) : 50=8.33%, 100=33.33%, 250=33.33% cpu : usr=0.02%, sys=3.24%, ctx=45, majf=0, minf=33 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=26310: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=839KiB/s (860kB/s)(6144KiB/7319msec) clat (msec): min=33, max=1196, avg=512.35, stdev=560.86 lat (msec): min=33, max=1196, avg=512.35, stdev=560.86 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 34], 10.00th=[ 34], 20.00th=[ 43], | 30.00th=[ 43], 40.00th=[ 52], 50.00th=[ 52], 60.00th=[ 575], | 70.00th=[ 1167], 80.00th=[ 1167], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 2043, max= 6131, per=100.00%, avg=4087.00, stdev=2890.65, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=0, BW=839KiB/s (860kB/s)(6144KiB/7319msec) clat (msec): min=66, max=3377, avg=705.70, stdev=1309.99 lat (msec): min=66, max=3377, avg=705.79, stdev=1309.99 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 192], 50.00th=[ 192], 60.00th=[ 207], | 70.00th=[ 226], 80.00th=[ 226], 90.00th=[ 3373], 95.00th=[ 3373], | 99.00th=[ 3373], 99.50th=[ 3373], 99.90th=[ 3373], 99.95th=[ 3373], | 99.99th=[ 3373] bw ( KiB/s): min= 2043, max= 4087, per=75.24%, avg=2555.25, stdev=1021.17, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 50=16.67%, 100=16.67%, 250=33.33%, 750=8.33% cpu : usr=0.00%, sys=2.05%, ctx=39, majf=0, minf=33 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=26311: Mon Apr 1 22:22:49 2024 read: IOPS=0, BW=704KiB/s (721kB/s)(5120KiB/7276msec) clat (msec): min=30, max=1206, avg=289.65, stdev=513.42 lat (msec): min=30, max=1206, avg=289.65, stdev=513.42 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 31], 10.00th=[ 31], 20.00th=[ 31], | 30.00th=[ 47], 40.00th=[ 47], 50.00th=[ 48], 60.00th=[ 48], | 70.00th=[ 117], 80.00th=[ 117], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 2043, max= 6144, per=100.00%, avg=4093.50, stdev=2899.84, samples=2 iops : min= 1, max= 6, avg= 3.50, stdev= 3.54, samples=2 write: IOPS=0, BW=985KiB/s (1009kB/s)(7168KiB/7276msec) clat (msec): min=65, max=3406, avg=825.45, stdev=1211.96 lat (msec): min=65, max=3406, avg=825.59, stdev=1212.02 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 66], 10.00th=[ 66], 20.00th=[ 100], | 30.00th=[ 121], 40.00th=[ 121], 50.00th=[ 161], 60.00th=[ 776], | 70.00th=[ 776], 80.00th=[ 1150], 90.00th=[ 3406], 95.00th=[ 3406], | 99.00th=[ 3406], 99.50th=[ 3406], 99.90th=[ 3406], 99.95th=[ 3406], | 99.99th=[ 3406] bw ( KiB/s): min= 2043, max= 4087, per=75.28%, avg=2556.50, stdev=1020.34, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (msec) : 50=25.00%, 100=16.67%, 250=25.00%, 1000=8.33% cpu : usr=0.00%, sys=2.47%, ctx=55, majf=0, minf=31 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=2426KiB/s (2484kB/s), 360KiB/s-849KiB/s (369kB/s-870kB/s), io=20.0MiB (20.0MB), run=5685-8441msec WRITE: bw=3397KiB/s (3478kB/s), 607KiB/s-1801KiB/s (621kB/s-1844kB/s), io=28.0MiB (29.4MB), run=5685-8441msec 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26327: Mon Apr 1 22:22:52 2024 read: IOPS=2, BW=9683KiB/s (9916kB/s)(12.0MiB/1269msec) clat (msec): min=53, max=891, avg=421.02, stdev=428.14 lat (msec): min=53, max=891, avg=421.02, stdev=428.14 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 54], 10.00th=[ 54], 20.00th=[ 54], | 30.00th=[ 54], 40.00th=[ 317], 50.00th=[ 317], 60.00th=[ 317], | 70.00th=[ 894], 80.00th=[ 894], 90.00th=[ 894], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 8192, max= 8192, per=85.25%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.16%, sys=33.28%, ctx=367, majf=0, minf=32 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=26328: Mon Apr 1 22:22:52 2024 read: IOPS=0, BW=2402KiB/s (2460kB/s)(4096KiB/1705msec) clat (nsec): min=301686k, max=301686k, avg=301686174.00, stdev= 0.00 lat (nsec): min=301688k, max=301688k, avg=301688203.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 300], 10.00th=[ 300], 20.00th=[ 300], | 30.00th=[ 300], 40.00th=[ 300], 50.00th=[ 300], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 300], 95.00th=[ 300], | 99.00th=[ 300], 99.50th=[ 300], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 8192, max= 8192, per=85.25%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=1, BW=4805KiB/s (4920kB/s)(8192KiB/1705msec) clat (msec): min=251, max=1148, avg=700.10, stdev=634.52 lat (msec): min=251, max=1149, avg=700.41, stdev=634.62 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 251], 10.00th=[ 251], 20.00th=[ 251], | 30.00th=[ 251], 40.00th=[ 251], 50.00th=[ 251], 60.00th=[ 1150], | 70.00th=[ 1150], 80.00th=[ 1150], 90.00th=[ 1150], 95.00th=[ 1150], | 99.00th=[ 1150], 99.50th=[ 1150], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 8192, max= 8192, per=50.10%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67% cpu : usr=0.00%, sys=13.26%, ctx=106, majf=0, minf=32 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=26329: Mon Apr 1 22:22:52 2024 write: IOPS=1, BW=6132KiB/s (6279kB/s)(12.0MiB/2004msec) clat (msec): min=147, max=1108, avg=667.28, stdev=485.00 lat (msec): min=148, max=1108, avg=667.70, stdev=485.02 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 148], | 30.00th=[ 148], 40.00th=[ 743], 50.00th=[ 743], 60.00th=[ 743], | 70.00th=[ 1116], 80.00th=[ 1116], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 8143, max= 8143, per=49.80%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33% cpu : usr=0.15%, sys=10.83%, ctx=62, majf=0, minf=31 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=26330: Mon Apr 1 22:22:52 2024 write: IOPS=2, BW=8303KiB/s (8502kB/s)(12.0MiB/1480msec) clat (msec): min=222, max=910, avg=492.42, stdev=367.50 lat (msec): min=222, max=911, avg=492.87, stdev=367.45 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 224], 10.00th=[ 224], 20.00th=[ 224], | 30.00th=[ 224], 40.00th=[ 342], 50.00th=[ 342], 60.00th=[ 342], | 70.00th=[ 911], 80.00th=[ 911], 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= 8192, max= 8192, per=50.10%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.00%, sys=16.90%, ctx=81, majf=0, minf=28 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=9609KiB/s (9840kB/s), 2402KiB/s-9683KiB/s (2460kB/s-9916kB/s), io=16.0MiB (16.8MB), run=1269-1705msec WRITE: bw=15.0MiB/s (16.7MB/s), 4805KiB/s-8303KiB/s (4920kB/s-8502kB/s), io=32.0MiB (33.6MB), run=1480-2004msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26322: Mon Apr 1 22:22:52 2024 read: IOPS=5, BW=22.9MiB/s (24.0MB/s)(12.0MiB/524msec) clat (msec): min=119, max=271, avg=174.40, stdev=84.07 lat (msec): min=119, max=271, avg=174.40, stdev=84.07 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 120], 10.00th=[ 120], 20.00th=[ 120], | 30.00th=[ 120], 40.00th=[ 133], 50.00th=[ 133], 60.00th=[ 133], | 70.00th=[ 271], 80.00th=[ 271], 90.00th=[ 271], 95.00th=[ 271], | 99.00th=[ 271], 99.50th=[ 271], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min=16351, max=16351, per=100.00%, avg=16351.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67%, 500=33.33% cpu : usr=0.00%, sys=22.37%, ctx=59, majf=0, minf=29 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=26323: Mon Apr 1 22:22:52 2024 read: IOPS=0, BW=1902KiB/s (1947kB/s)(4096KiB/2154msec) clat (nsec): min=677689k, max=677689k, avg=677689089.00, stdev= 0.00 lat (nsec): min=677690k, max=677690k, avg=677689847.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[ 676], | 30.00th=[ 676], 40.00th=[ 676], 50.00th=[ 676], 60.00th=[ 676], | 70.00th=[ 676], 80.00th=[ 676], 90.00th=[ 676], 95.00th=[ 676], | 99.00th=[ 676], 99.50th=[ 676], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3803KiB/s (3894kB/s)(8192KiB/2154msec) clat (msec): min=194, max=1274, avg=734.61, stdev=763.17 lat (msec): min=195, max=1274, avg=735.32, stdev=762.83 clat percentiles (msec): | 1.00th=[ 194], 5.00th=[ 194], 10.00th=[ 194], 20.00th=[ 194], | 30.00th=[ 194], 40.00th=[ 194], 50.00th=[ 194], 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= 8192, max= 8192, per=53.85%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33% cpu : usr=0.14%, sys=6.73%, ctx=34, majf=0, minf=32 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=26324: Mon Apr 1 22:22:52 2024 write: IOPS=1, BW=6447KiB/s (6602kB/s)(12.0MiB/1906msec) clat (msec): min=260, max=1096, avg=634.17, stdev=424.83 lat (msec): min=261, max=1096, avg=635.08, stdev=424.21 clat percentiles (msec): | 1.00th=[ 262], 5.00th=[ 262], 10.00th=[ 262], 20.00th=[ 262], | 30.00th=[ 262], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 1099], 80.00th=[ 1099], 90.00th=[ 1099], 95.00th=[ 1099], | 99.00th=[ 1099], 99.50th=[ 1099], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 8175, max= 8175, per=53.74%, avg=8175.00, 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% cpu : usr=0.10%, sys=9.61%, ctx=52, majf=0, minf=31 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=26325: Mon Apr 1 22:22:52 2024 write: IOPS=2, BW=10.9MiB/s (11.5MB/s)(12.0MiB/1096msec) clat (msec): min=227, max=579, avg=364.69, stdev=188.69 lat (msec): min=227, max=580, avg=365.07, stdev=188.67 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 288], 50.00th=[ 288], 60.00th=[ 288], | 70.00th=[ 584], 80.00th=[ 584], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 8175, max= 8192, per=53.80%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 750=33.33% cpu : usr=0.00%, sys=12.42%, ctx=48, majf=0, minf=30 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=7606KiB/s (7789kB/s), 1902KiB/s-22.9MiB/s (1947kB/s-24.0MB/s), io=16.0MiB (16.8MB), run=524-2154msec WRITE: bw=14.9MiB/s (15.6MB/s), 3803KiB/s-10.9MiB/s (3894kB/s-11.5MB/s), io=32.0MiB (33.6MB), run=1096-2154msec