== sanity test 398b: DIO and buffer IO race ============== 07:12:18 (1734437538) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB) copied, 1.20158 s, 41.9 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=3668: Tue Dec 17 07:12:35 2024 read: IOPS=101, BW=408KiB/s (417kB/s)(5992KiB/14697msec) clat (usec): min=48, max=48225, avg=4468.20, stdev=3879.21 lat (usec): min=48, max=48227, avg=4469.78, stdev=3878.40 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 74], 10.00th=[ 95], 20.00th=[ 2245], | 30.00th=[ 2835], 40.00th=[ 3261], 50.00th=[ 3687], 60.00th=[ 4424], | 70.00th=[ 5604], 80.00th=[ 6915], 90.00th=[ 8848], 95.00th=[10159], | 99.00th=[15008], 99.50th=[18482], 99.90th=[42206], 99.95th=[47973], | 99.99th=[47973] bw ( KiB/s): min= 208, max= 600, per=25.23%, avg=405.90, stdev=88.00, samples=29 iops : min= 52, max= 150, avg=101.38, stdev=22.01, samples=29 write: IOPS=107, BW=428KiB/s (439kB/s)(6296KiB/14697msec) clat (usec): min=417, max=183817, avg=5018.76, stdev=6814.45 lat (usec): min=418, max=183818, avg=5020.09, stdev=6814.54 clat percentiles (usec): | 1.00th=[ 519], 5.00th=[ 603], 10.00th=[ 668], 20.00th=[ 807], | 30.00th=[ 1074], 40.00th=[ 2638], 50.00th=[ 3982], 60.00th=[ 4948], | 70.00th=[ 6259], 80.00th=[ 8029], 90.00th=[ 10552], 95.00th=[ 13042], | 99.00th=[ 19530], 99.50th=[ 31589], 99.90th=[ 69731], 99.95th=[183501], | 99.99th=[183501] bw ( KiB/s): min= 223, max= 584, per=25.23%, avg=424.93, stdev=87.15, samples=29 iops : min= 55, max= 146, avg=106.14, stdev=21.81, samples=29 lat (usec) : 50=0.03%, 100=5.83%, 250=2.73%, 500=0.46%, 750=7.65% lat (usec) : 1000=6.64% lat (msec) : 2=4.69%, 4=24.58%, 10=38.67%, 20=8.01%, 50=0.62% lat (msec) : 100=0.07%, 250=0.03% cpu : usr=0.22%, sys=24.41%, ctx=6059, 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=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=3669: Tue Dec 17 07:12:35 2024 read: IOPS=99, BW=398KiB/s (408kB/s)(5940KiB/14920msec) clat (usec): min=47, max=37204, avg=4453.94, stdev=3456.98 lat (usec): min=48, max=37205, avg=4454.75, stdev=3456.94 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 74], 10.00th=[ 94], 20.00th=[ 2245], | 30.00th=[ 2835], 40.00th=[ 3294], 50.00th=[ 3785], 60.00th=[ 4555], | 70.00th=[ 5604], 80.00th=[ 6915], 90.00th=[ 8979], 95.00th=[10421], | 99.00th=[14615], 99.50th=[16319], 99.90th=[25822], 99.95th=[36963], | 99.99th=[36963] bw ( KiB/s): min= 208, max= 568, per=24.57%, avg=395.31, stdev=83.06, samples=29 iops : min= 52, max= 142, avg=98.69, stdev=20.79, samples=29 write: IOPS=106, BW=425KiB/s (436kB/s)(6348KiB/14920msec) clat (usec): min=474, max=190249, avg=5168.59, stdev=7123.36 lat (usec): min=474, max=190250, avg=5169.68, stdev=7123.30 clat percentiles (usec): | 1.00th=[ 529], 5.00th=[ 594], 10.00th=[ 676], 20.00th=[ 824], | 30.00th=[ 1221], 40.00th=[ 2802], 50.00th=[ 3982], 60.00th=[ 5080], | 70.00th=[ 6194], 80.00th=[ 8225], 90.00th=[ 11076], 95.00th=[ 13698], | 99.00th=[ 20841], 99.50th=[ 32375], 99.90th=[ 71828], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 264, max= 648, per=24.77%, avg=417.14, stdev=84.52, samples=29 iops : min= 66, max= 162, avg=104.14, stdev=21.14, samples=29 lat (usec) : 50=0.16%, 100=5.79%, 250=2.54%, 500=0.23%, 750=7.45% lat (usec) : 1000=6.51% lat (msec) : 2=5.18%, 4=24.02%, 10=38.28%, 20=9.02%, 50=0.68% lat (msec) : 100=0.10%, 250=0.03% cpu : usr=0.19%, sys=24.08%, ctx=6086, 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=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=3670: Tue Dec 17 07:12:35 2024 read: IOPS=101, BW=404KiB/s (414kB/s)(6028KiB/14919msec) clat (usec): min=47, max=167724, avg=4581.72, stdev=5773.42 lat (usec): min=48, max=167724, avg=4582.52, stdev=5773.35 clat percentiles (usec): | 1.00th=[ 58], 5.00th=[ 75], 10.00th=[ 93], 20.00th=[ 2278], | 30.00th=[ 2802], 40.00th=[ 3228], 50.00th=[ 3752], 60.00th=[ 4490], | 70.00th=[ 5604], 80.00th=[ 7111], 90.00th=[ 8848], 95.00th=[ 10421], | 99.00th=[ 14353], 99.50th=[ 18744], 99.90th=[ 78119], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 248, max= 568, per=24.83%, avg=399.59, stdev=90.47, samples=29 iops : min= 62, max= 142, avg=99.83, stdev=22.64, samples=29 write: IOPS=104, BW=420KiB/s (430kB/s)(6260KiB/14919msec) clat (usec): min=491, max=35270, avg=5056.32, stdev=4846.61 lat (usec): min=492, max=35271, avg=5058.34, stdev=4845.89 clat percentiles (usec): | 1.00th=[ 519], 5.00th=[ 594], 10.00th=[ 685], 20.00th=[ 824], | 30.00th=[ 1074], 40.00th=[ 2638], 50.00th=[ 4015], 60.00th=[ 5211], | 70.00th=[ 6587], 80.00th=[ 8586], 90.00th=[11338], 95.00th=[13435], | 99.00th=[22152], 99.50th=[28967], 99.90th=[33424], 99.95th=[35390], | 99.99th=[35390] bw ( KiB/s): min= 279, max= 550, per=24.50%, avg=412.55, stdev=62.66, samples=29 iops : min= 69, max= 137, avg=103.07, stdev=15.67, samples=29 lat (usec) : 50=0.10%, 100=6.18%, 250=2.44%, 500=0.42%, 750=7.32% lat (usec) : 1000=7.36% lat (msec) : 2=4.33%, 4=23.57%, 10=38.15%, 20=9.24%, 50=0.81% lat (msec) : 100=0.03%, 250=0.03% cpu : usr=0.19%, sys=24.34%, ctx=6166, 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=3671: Tue Dec 17 07:12:35 2024 read: IOPS=102, BW=408KiB/s (418kB/s)(6052KiB/14825msec) clat (usec): min=49, max=191813, avg=4623.86, stdev=6040.51 lat (usec): min=50, max=191814, avg=4624.83, stdev=6040.47 clat percentiles (usec): | 1.00th=[ 60], 5.00th=[ 82], 10.00th=[ 97], 20.00th=[ 2343], | 30.00th=[ 2868], 40.00th=[ 3359], 50.00th=[ 3818], 60.00th=[ 4490], | 70.00th=[ 5473], 80.00th=[ 6849], 90.00th=[ 8979], 95.00th=[ 10814], | 99.00th=[ 15795], 99.50th=[ 17957], 99.90th=[ 52691], 99.95th=[191890], | 99.99th=[191890] bw ( KiB/s): min= 240, max= 552, per=24.89%, avg=400.48, stdev=69.49, samples=29 iops : min= 60, max= 138, avg=100.07, stdev=17.39, samples=29 write: IOPS=105, BW=421KiB/s (431kB/s)(6236KiB/14825msec) clat (usec): min=481, max=69586, avg=4956.57, stdev=5317.07 lat (usec): min=482, max=69587, avg=4957.53, stdev=5317.01 clat percentiles (usec): | 1.00th=[ 519], 5.00th=[ 578], 10.00th=[ 660], 20.00th=[ 824], | 30.00th=[ 1123], 40.00th=[ 2311], 50.00th=[ 3916], 60.00th=[ 5014], | 70.00th=[ 6194], 80.00th=[ 8094], 90.00th=[10945], 95.00th=[13566], | 99.00th=[23200], 99.50th=[31327], 99.90th=[55837], 99.95th=[69731], | 99.99th=[69731] bw ( KiB/s): min= 271, max= 624, per=24.57%, avg=413.72, stdev=80.50, samples=29 iops : min= 67, max= 156, avg=103.38, stdev=20.16, samples=29 lat (usec) : 50=0.03%, 100=5.27%, 250=2.90%, 500=0.23%, 750=7.36% lat (usec) : 1000=6.87% lat (msec) : 2=5.18%, 4=24.06%, 10=38.44%, 20=8.92%, 50=0.62% lat (msec) : 100=0.10%, 250=0.03% cpu : usr=0.18%, sys=24.11%, ctx=6104, 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=1609KiB/s (1648kB/s), 398KiB/s-408KiB/s (408kB/s-418kB/s), io=23.4MiB (24.6MB), run=14697-14920msec WRITE: bw=1685KiB/s (1725kB/s), 420KiB/s-428KiB/s (430kB/s-439kB/s), io=24.6MiB (25.7MB), run=14697-14920msec rand-rw: (groupid=0, jobs=1): err= 0: pid=3673: Tue Dec 17 07:13:00 2024 read: IOPS=37, BW=151KiB/s (154kB/s)(5992KiB/39737msec) clat (usec): min=1737, max=200072, avg=4119.57, stdev=6397.31 lat (usec): min=1738, max=200074, avg=4120.57, stdev=6397.37 clat percentiles (usec): | 1.00th=[ 1860], 5.00th=[ 1991], 10.00th=[ 2073], 20.00th=[ 2180], | 30.00th=[ 2311], 40.00th=[ 2409], 50.00th=[ 2507], 60.00th=[ 2737], | 70.00th=[ 3032], 80.00th=[ 4293], 90.00th=[ 8848], 95.00th=[ 11994], | 99.00th=[ 20317], 99.50th=[ 24249], 99.90th=[ 56361], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 48, max= 272, per=24.88%, avg=150.30, stdev=60.33, samples=79 iops : min= 12, max= 68, avg=37.52, stdev=15.08, samples=79 write: IOPS=39, BW=158KiB/s (162kB/s)(6296KiB/39737msec) clat (usec): min=9433, max=88140, avg=21262.17, stdev=8022.61 lat (usec): min=9434, max=88141, avg=21263.39, stdev=8022.69 clat percentiles (usec): | 1.00th=[11338], 5.00th=[12649], 10.00th=[13435], 20.00th=[14615], | 30.00th=[16057], 40.00th=[17957], 50.00th=[19792], 60.00th=[21103], | 70.00th=[22676], 80.00th=[26084], 90.00th=[32900], 95.00th=[36963], | 99.00th=[45876], 99.50th=[51119], 99.90th=[74974], 99.95th=[88605], | 99.99th=[88605] bw ( KiB/s): min= 48, max= 224, per=24.97%, avg=157.80, stdev=48.39, samples=79 iops : min= 12, max= 56, avg=39.39, stdev=12.10, samples=79 lat (msec) : 2=2.83%, 4=35.55%, 10=6.58%, 20=29.98%, 50=24.71% lat (msec) : 100=0.33%, 250=0.03% cpu : usr=0.10%, sys=5.43%, ctx=3445, 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=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=3674: Tue Dec 17 07:13:00 2024 read: IOPS=37, BW=150KiB/s (153kB/s)(5940KiB/39690msec) clat (usec): min=1715, max=193796, avg=3937.04, stdev=5996.22 lat (usec): min=1716, max=193797, avg=3938.01, stdev=5996.26 clat percentiles (usec): | 1.00th=[ 1876], 5.00th=[ 2008], 10.00th=[ 2089], 20.00th=[ 2212], | 30.00th=[ 2311], 40.00th=[ 2442], 50.00th=[ 2573], 60.00th=[ 2737], | 70.00th=[ 3064], 80.00th=[ 3982], 90.00th=[ 7963], 95.00th=[ 10814], | 99.00th=[ 18220], 99.50th=[ 22938], 99.90th=[ 40109], 99.95th=[193987], | 99.99th=[193987] bw ( KiB/s): min= 16, max= 328, per=24.74%, avg=149.44, stdev=68.46, samples=79 iops : min= 4, max= 82, avg=37.27, stdev=17.16, samples=79 write: IOPS=39, BW=160KiB/s (164kB/s)(6348KiB/39690msec) clat (usec): min=8946, max=79586, avg=21286.39, stdev=8094.11 lat (usec): min=8947, max=79587, avg=21287.56, stdev=8094.15 clat percentiles (usec): | 1.00th=[11731], 5.00th=[12649], 10.00th=[13435], 20.00th=[14484], | 30.00th=[16057], 40.00th=[17957], 50.00th=[19792], 60.00th=[21365], | 70.00th=[22938], 80.00th=[25560], 90.00th=[32900], 95.00th=[37487], | 99.00th=[46400], 99.50th=[50070], 99.90th=[76022], 99.95th=[79168], | 99.99th=[79168] bw ( KiB/s): min= 56, max= 240, per=25.22%, avg=159.37, stdev=47.75, samples=79 iops : min= 14, max= 60, avg=39.75, stdev=11.94, samples=79 lat (msec) : 2=2.28%, 4=36.39%, 10=6.64%, 20=29.17%, 50=25.23% lat (msec) : 100=0.26%, 250=0.03% cpu : usr=0.11%, sys=5.43%, ctx=3411, 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=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=3675: Tue Dec 17 07:13:00 2024 read: IOPS=38, BW=152KiB/s (156kB/s)(6028KiB/39559msec) clat (usec): min=1762, max=48602, avg=3960.44, stdev=3495.42 lat (usec): min=1763, max=48604, avg=3961.41, stdev=3495.41 clat percentiles (usec): | 1.00th=[ 1860], 5.00th=[ 1991], 10.00th=[ 2073], 20.00th=[ 2212], | 30.00th=[ 2311], 40.00th=[ 2442], 50.00th=[ 2573], 60.00th=[ 2769], | 70.00th=[ 3163], 80.00th=[ 4490], 90.00th=[ 8586], 95.00th=[11076], | 99.00th=[16909], 99.50th=[21103], 99.90th=[34341], 99.95th=[48497], | 99.99th=[48497] bw ( KiB/s): min= 56, max= 288, per=25.22%, avg=152.34, stdev=55.28, samples=79 iops : min= 14, max= 72, avg=38.04, stdev=13.83, samples=79 write: IOPS=39, BW=158KiB/s (162kB/s)(6260KiB/39559msec) clat (msec): min=10, max=192, avg=21.42, stdev= 8.94 lat (msec): min=10, max=192, avg=21.42, stdev= 8.94 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 13], 10.00th=[ 14], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 22], | 70.00th=[ 23], 80.00th=[ 26], 90.00th=[ 33], 95.00th=[ 38], | 99.00th=[ 47], 99.50th=[ 52], 99.90th=[ 75], 99.95th=[ 192], | 99.99th=[ 192] bw ( KiB/s): min= 72, max= 216, per=25.02%, avg=158.11, stdev=48.45, samples=79 iops : min= 18, max= 54, avg=39.48, stdev=12.12, samples=79 lat (msec) : 2=2.67%, 4=35.29%, 10=7.71%, 20=29.56%, 50=24.48% lat (msec) : 100=0.26%, 250=0.03% cpu : usr=0.12%, sys=5.41%, ctx=3419, 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=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=3676: Tue Dec 17 07:13:00 2024 read: IOPS=38, BW=153KiB/s (157kB/s)(6052KiB/39437msec) clat (usec): min=1736, max=38260, avg=3820.76, stdev=3422.75 lat (usec): min=1736, max=38261, avg=3821.67, stdev=3422.74 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[ 1991], 10.00th=[ 2073], 20.00th=[ 2180], | 30.00th=[ 2311], 40.00th=[ 2409], 50.00th=[ 2540], 60.00th=[ 2737], | 70.00th=[ 3032], 80.00th=[ 4080], 90.00th=[ 7898], 95.00th=[10683], | 99.00th=[17957], 99.50th=[22938], 99.90th=[34341], 99.95th=[38011], | 99.99th=[38011] bw ( KiB/s): min= 16, max= 312, per=25.26%, avg=152.58, stdev=61.54, samples=78 iops : min= 4, max= 78, avg=38.12, stdev=15.37, samples=78 write: IOPS=39, BW=158KiB/s (162kB/s)(6236KiB/39437msec) clat (msec): min=10, max=198, avg=21.55, stdev= 9.22 lat (msec): min=10, max=198, avg=21.55, stdev= 9.22 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 13], 10.00th=[ 14], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 19], 50.00th=[ 21], 60.00th=[ 22], | 70.00th=[ 23], 80.00th=[ 26], 90.00th=[ 34], 95.00th=[ 38], | 99.00th=[ 48], 99.50th=[ 54], 99.90th=[ 80], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 56, max= 216, per=24.97%, avg=157.81, stdev=46.60, samples=78 iops : min= 14, max= 54, avg=39.42, stdev=11.65, samples=78 lat (msec) : 2=2.83%, 4=36.43%, 10=7.06%, 20=28.22%, 50=25.13% lat (msec) : 100=0.29%, 250=0.03% cpu : usr=0.10%, sys=5.42%, ctx=3395, 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=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=604KiB/s (619kB/s), 150KiB/s-153KiB/s (153kB/s-157kB/s), io=23.4MiB (24.6MB), run=39437-39737msec WRITE: bw=633KiB/s (648kB/s), 158KiB/s-160KiB/s (162kB/s-164kB/s), io=24.6MiB (25.7MB), run=39437-39737msec 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=3715: Tue Dec 17 07:13:07 2024 read: IOPS=65, BW=1052KiB/s (1078kB/s)(5920KiB/5625msec) clat (usec): min=51, max=188347, avg=10919.70, stdev=11708.56 lat (usec): min=52, max=188348, avg=10920.85, stdev=11708.66 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 68], 10.00th=[ 94], 20.00th=[ 124], | 30.00th=[ 8979], 40.00th=[ 10814], 50.00th=[ 11994], 60.00th=[ 13042], | 70.00th=[ 14091], 80.00th=[ 16057], 90.00th=[ 18220], 95.00th=[ 20317], | 99.00th=[ 32113], 99.50th=[ 38011], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 448, max= 1500, per=24.65%, avg=1049.64, stdev=301.60, samples=11 iops : min= 28, max= 93, avg=65.45, stdev=18.76, samples=11 write: IOPS=70, BW=1132KiB/s (1159kB/s)(6368KiB/5625msec) clat (usec): min=710, max=36290, avg=3911.91, stdev=4455.16 lat (usec): min=711, max=36291, avg=3913.33, stdev=4455.21 clat percentiles (usec): | 1.00th=[ 766], 5.00th=[ 848], 10.00th=[ 922], 20.00th=[ 1074], | 30.00th=[ 1205], 40.00th=[ 1352], 50.00th=[ 1745], 60.00th=[ 3294], | 70.00th=[ 4228], 80.00th=[ 6325], 90.00th=[ 8979], 95.00th=[12780], | 99.00th=[20579], 99.50th=[27919], 99.90th=[36439], 99.95th=[36439], | 99.99th=[36439] bw ( KiB/s): min= 544, max= 1888, per=25.38%, avg=1136.91, stdev=407.22, samples=11 iops : min= 34, max= 118, avg=70.91, stdev=25.41, samples=11 lat (usec) : 100=6.51%, 250=6.12%, 500=0.13%, 750=0.39%, 1000=7.55% lat (msec) : 2=19.27%, 4=7.55%, 10=17.71%, 20=31.51%, 50=3.12% lat (msec) : 250=0.13% cpu : usr=0.18%, sys=24.73%, ctx=2069, 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=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=3716: Tue Dec 17 07:13:07 2024 read: IOPS=65, BW=1047KiB/s (1072kB/s)(5744KiB/5485msec) clat (usec): min=51, max=64828, avg=10880.38, stdev=7143.09 lat (usec): min=52, max=64830, avg=10882.52, stdev=7144.25 clat percentiles (usec): | 1.00th=[ 62], 5.00th=[ 79], 10.00th=[ 96], 20.00th=[ 147], | 30.00th=[ 9765], 40.00th=[11338], 50.00th=[12518], 60.00th=[13435], | 70.00th=[14484], 80.00th=[15795], 90.00th=[17695], 95.00th=[19792], | 99.00th=[24773], 99.50th=[27395], 99.90th=[64750], 99.95th=[64750], | 99.99th=[64750] bw ( KiB/s): min= 640, max= 1341, per=24.26%, avg=1033.00, stdev=212.36, samples=10 iops : min= 40, max= 83, avg=64.40, stdev=13.15, samples=10 write: IOPS=74, BW=1193KiB/s (1222kB/s)(6544KiB/5485msec) clat (usec): min=668, max=42797, avg=3780.09, stdev=4299.64 lat (usec): min=669, max=42798, avg=3781.49, stdev=4299.71 clat percentiles (usec): | 1.00th=[ 742], 5.00th=[ 832], 10.00th=[ 922], 20.00th=[ 1057], | 30.00th=[ 1221], 40.00th=[ 1369], 50.00th=[ 1713], 60.00th=[ 3425], | 70.00th=[ 4293], 80.00th=[ 5997], 90.00th=[ 8717], 95.00th=[11076], | 99.00th=[21365], 99.50th=[22938], 99.90th=[42730], 99.95th=[42730], | 99.99th=[42730] bw ( KiB/s): min= 896, max= 1728, per=25.99%, avg=1164.20, stdev=266.57, samples=10 iops : min= 56, max= 108, avg=72.60, stdev=16.67, samples=10 lat (usec) : 100=5.47%, 250=4.69%, 500=0.39%, 750=0.91%, 1000=7.03% lat (msec) : 2=19.53%, 4=8.98%, 10=17.71%, 20=32.42%, 50=2.73% lat (msec) : 100=0.13% cpu : usr=0.27%, sys=23.58%, ctx=2037, 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=3717: Tue Dec 17 07:13:07 2024 read: IOPS=70, BW=1129KiB/s (1156kB/s)(6256KiB/5542msec) clat (usec): min=53, max=100389, avg=10436.37, stdev=8295.67 lat (usec): min=53, max=100390, avg=10437.60, stdev=8295.62 clat percentiles (usec): | 1.00th=[ 62], 5.00th=[ 69], 10.00th=[ 91], 20.00th=[ 123], | 30.00th=[ 9241], 40.00th=[ 10683], 50.00th=[ 11994], 60.00th=[ 13173], | 70.00th=[ 14222], 80.00th=[ 15401], 90.00th=[ 17433], 95.00th=[ 19006], | 99.00th=[ 27919], 99.50th=[ 38011], 99.90th=[100140], 99.95th=[100140], | 99.99th=[100140] bw ( KiB/s): min= 608, max= 1856, per=26.70%, avg=1137.00, stdev=353.80, samples=11 iops : min= 38, max= 116, avg=70.91, stdev=22.13, samples=11 write: IOPS=68, BW=1088KiB/s (1115kB/s)(6032KiB/5542msec) clat (usec): min=710, max=48448, avg=3815.06, stdev=4495.08 lat (usec): min=711, max=48449, avg=3816.73, stdev=4495.24 clat percentiles (usec): | 1.00th=[ 775], 5.00th=[ 873], 10.00th=[ 947], 20.00th=[ 1074], | 30.00th=[ 1188], 40.00th=[ 1385], 50.00th=[ 1975], 60.00th=[ 3392], | 70.00th=[ 4080], 80.00th=[ 5604], 90.00th=[ 8717], 95.00th=[10814], | 99.00th=[20841], 99.50th=[26608], 99.90th=[48497], 99.95th=[48497], | 99.99th=[48497] bw ( KiB/s): min= 672, max= 1536, per=24.21%, avg=1084.64, stdev=300.07, samples=11 iops : min= 42, max= 96, avg=67.64, stdev=18.70, samples=11 lat (usec) : 100=6.77%, 250=6.38%, 750=0.39%, 1000=6.90% lat (msec) : 2=17.84%, 4=8.85%, 10=16.93%, 20=33.46%, 50=2.34% lat (msec) : 250=0.13% cpu : usr=0.18%, sys=23.30%, ctx=2099, 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=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=3718: Tue Dec 17 07:13:07 2024 read: IOPS=68, BW=1101KiB/s (1127kB/s)(6032KiB/5480msec) clat (usec): min=57, max=41594, avg=10276.96, stdev=6835.70 lat (usec): min=57, max=41594, avg=10277.89, stdev=6835.73 clat percentiles (usec): | 1.00th=[ 62], 5.00th=[ 77], 10.00th=[ 94], 20.00th=[ 117], | 30.00th=[ 9503], 40.00th=[10814], 50.00th=[12125], 60.00th=[12780], | 70.00th=[13698], 80.00th=[15533], 90.00th=[16909], 95.00th=[18744], | 99.00th=[24773], 99.50th=[29230], 99.90th=[41681], 99.95th=[41681], | 99.99th=[41681] bw ( KiB/s): min= 608, max= 1376, per=24.57%, avg=1046.10, stdev=231.48, samples=10 iops : min= 38, max= 86, avg=65.30, stdev=14.39, samples=10 write: IOPS=71, BW=1142KiB/s (1169kB/s)(6256KiB/5480msec) clat (usec): min=637, max=132321, avg=4068.15, stdev=7734.57 lat (usec): min=638, max=132322, avg=4069.72, stdev=7734.61 clat percentiles (usec): | 1.00th=[ 717], 5.00th=[ 840], 10.00th=[ 963], 20.00th=[ 1106], | 30.00th=[ 1270], 40.00th=[ 1434], 50.00th=[ 2180], 60.00th=[ 3523], | 70.00th=[ 4113], 80.00th=[ 5932], 90.00th=[ 7963], 95.00th=[ 9634], | 99.00th=[ 29754], 99.50th=[ 38536], 99.90th=[132645], 99.95th=[132645], | 99.99th=[132645] bw ( KiB/s): min= 768, max= 1660, per=24.49%, avg=1097.20, stdev=273.55, samples=10 iops : min= 48, max= 103, avg=68.50, stdev=16.93, samples=10 lat (usec) : 100=6.51%, 250=5.99%, 500=0.13%, 750=1.43%, 1000=4.82% lat (msec) : 2=18.49%, 4=9.64%, 10=18.62%, 20=31.77%, 50=2.47% lat (msec) : 250=0.13% cpu : usr=0.20%, sys=23.58%, ctx=2161, 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=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=4258KiB/s (4360kB/s), 1047KiB/s-1129KiB/s (1072kB/s-1156kB/s), io=23.4MiB (24.5MB), run=5480-5625msec WRITE: bw=4480KiB/s (4588kB/s), 1088KiB/s-1193KiB/s (1115kB/s-1222kB/s), io=24.6MiB (25.8MB), run=5480-5625msec rand-rw: (groupid=0, jobs=1): err= 0: pid=3720: Tue Dec 17 07:13:12 2024 read: IOPS=34, BW=559KiB/s (573kB/s)(5920KiB/10586msec) clat (usec): min=1959, max=199985, avg=5318.00, stdev=10983.06 lat (usec): min=1959, max=199987, avg=5318.96, stdev=10983.09 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 3], 40.00th=[ 3], 50.00th=[ 4], 60.00th=[ 4], | 70.00th=[ 5], 80.00th=[ 7], 90.00th=[ 10], 95.00th=[ 14], | 99.00th=[ 26], 99.50th=[ 36], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 320, max= 1056, per=23.97%, avg=542.30, stdev=188.18, samples=20 iops : min= 20, max= 66, avg=33.85, stdev=11.77, samples=20 write: IOPS=37, BW=602KiB/s (616kB/s)(6368KiB/10586msec) clat (usec): min=12061, max=66961, avg=21591.22, stdev=7215.36 lat (usec): min=12062, max=66963, avg=21593.14, stdev=7215.44 clat percentiles (usec): | 1.00th=[12518], 5.00th=[13304], 10.00th=[13960], 20.00th=[15270], | 30.00th=[17171], 40.00th=[19006], 50.00th=[20317], 60.00th=[21890], | 70.00th=[23462], 80.00th=[25822], 90.00th=[31327], 95.00th=[35390], | 99.00th=[45351], 99.50th=[51643], 99.90th=[66847], 99.95th=[66847], | 99.99th=[66847] bw ( KiB/s): min= 224, max= 864, per=24.67%, avg=587.10, stdev=175.23, samples=20 iops : min= 14, max= 54, avg=36.65, stdev=10.90, samples=20 lat (msec) : 2=0.39%, 4=31.12%, 10=11.85%, 20=28.39%, 50=27.86% lat (msec) : 100=0.26%, 250=0.13% cpu : usr=0.12%, sys=6.40%, ctx=928, 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=3721: Tue Dec 17 07:13:12 2024 read: IOPS=34, BW=544KiB/s (557kB/s)(5744KiB/10554msec) clat (usec): min=1939, max=161114, avg=5000.13, stdev=9152.69 lat (usec): min=1940, max=161116, avg=5001.18, stdev=9152.73 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 3], 40.00th=[ 3], 50.00th=[ 3], 60.00th=[ 4], | 70.00th=[ 5], 80.00th=[ 6], 90.00th=[ 10], 95.00th=[ 13], | 99.00th=[ 22], 99.50th=[ 32], 99.90th=[ 161], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 64, max= 1088, per=23.70%, avg=536.00, stdev=248.93, samples=20 iops : min= 4, max= 68, avg=33.50, stdev=15.56, samples=20 write: IOPS=38, BW=620KiB/s (635kB/s)(6544KiB/10554msec) clat (usec): min=11139, max=49513, avg=21329.58, stdev=6943.13 lat (usec): min=11141, max=49515, avg=21331.73, stdev=6943.19 clat percentiles (usec): | 1.00th=[11863], 5.00th=[12649], 10.00th=[13698], 20.00th=[15270], | 30.00th=[16909], 40.00th=[18482], 50.00th=[20317], 60.00th=[21627], | 70.00th=[23462], 80.00th=[25560], 90.00th=[30802], 95.00th=[34866], | 99.00th=[45351], 99.50th=[47973], 99.90th=[49546], 99.95th=[49546], | 99.99th=[49546] bw ( KiB/s): min= 320, max= 864, per=25.55%, avg=608.00, stdev=171.23, samples=20 iops : min= 20, max= 54, avg=38.00, stdev=10.70, samples=20 lat (msec) : 2=0.26%, 4=31.90%, 10=10.42%, 20=28.78%, 50=28.52% lat (msec) : 250=0.13% cpu : usr=0.14%, sys=6.23%, ctx=888, 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=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=3722: Tue Dec 17 07:13:12 2024 read: IOPS=38, BW=609KiB/s (624kB/s)(6256KiB/10273msec) clat (usec): min=1849, max=35224, avg=4596.99, stdev=3861.64 lat (usec): min=1849, max=35225, avg=4597.96, stdev=3861.81 clat percentiles (usec): | 1.00th=[ 2040], 5.00th=[ 2147], 10.00th=[ 2245], 20.00th=[ 2409], | 30.00th=[ 2540], 40.00th=[ 2671], 50.00th=[ 2933], 60.00th=[ 3294], | 70.00th=[ 4015], 80.00th=[ 6063], 90.00th=[ 9634], 95.00th=[13304], | 99.00th=[18744], 99.50th=[22414], 99.90th=[35390], 99.95th=[35390], | 99.99th=[35390] bw ( KiB/s): min= 224, max= 1216, per=27.02%, avg=611.15, stdev=260.82, samples=20 iops : min= 14, max= 76, avg=38.15, stdev=16.34, samples=20 write: IOPS=36, BW=587KiB/s (601kB/s)(6032KiB/10273msec) clat (msec): min=11, max=167, avg=22.38, stdev=10.79 lat (msec): min=11, max=167, avg=22.38, stdev=10.79 clat percentiles (msec): | 1.00th=[ 13], 5.00th=[ 14], 10.00th=[ 14], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 21], 60.00th=[ 22], | 70.00th=[ 24], 80.00th=[ 28], 90.00th=[ 34], 95.00th=[ 39], | 99.00th=[ 51], 99.50th=[ 61], 99.90th=[ 167], 99.95th=[ 167], | 99.99th=[ 167] bw ( KiB/s): min= 288, max= 800, per=24.40%, avg=580.75, stdev=176.01, samples=20 iops : min= 18, max= 50, avg=36.25, stdev=11.04, samples=20 lat (msec) : 2=0.13%, 4=35.16%, 10=10.94%, 20=27.21%, 50=26.04% lat (msec) : 100=0.39%, 250=0.13% cpu : usr=0.13%, sys=6.29%, ctx=879, 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=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=3723: Tue Dec 17 07:13:12 2024 read: IOPS=37, BW=593KiB/s (607kB/s)(6032KiB/10171msec) clat (usec): min=1955, max=31361, avg=4526.74, stdev=3778.59 lat (usec): min=1956, max=31362, avg=4527.68, stdev=3778.61 clat percentiles (usec): | 1.00th=[ 2040], 5.00th=[ 2212], 10.00th=[ 2311], 20.00th=[ 2474], | 30.00th=[ 2671], 40.00th=[ 2868], 50.00th=[ 3097], 60.00th=[ 3392], | 70.00th=[ 4015], 80.00th=[ 5473], 90.00th=[ 8717], 95.00th=[12387], | 99.00th=[21103], 99.50th=[28181], 99.90th=[31327], 99.95th=[31327], | 99.99th=[31327] bw ( KiB/s): min= 224, max= 1088, per=26.09%, avg=590.20, stdev=209.28, samples=20 iops : min= 14, max= 68, avg=36.75, stdev=13.11, samples=20 write: IOPS=38, BW=615KiB/s (630kB/s)(6256KiB/10171msec) clat (msec): min=11, max=180, avg=21.53, stdev=10.23 lat (msec): min=11, max=180, avg=21.54, stdev=10.23 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 14], 10.00th=[ 14], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 21], 60.00th=[ 22], | 70.00th=[ 24], 80.00th=[ 26], 90.00th=[ 31], 95.00th=[ 33], | 99.00th=[ 45], 99.50th=[ 46], 99.90th=[ 180], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 256, max= 832, per=25.74%, avg=612.50, stdev=175.69, samples=20 iops : min= 16, max= 52, avg=38.15, stdev=11.00, samples=20 lat (msec) : 2=0.26%, 4=33.98%, 10=11.07%, 20=26.43%, 50=28.12% lat (msec) : 250=0.13% cpu : usr=0.11%, sys=6.31%, ctx=894, 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=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=2263KiB/s (2317kB/s), 544KiB/s-609KiB/s (557kB/s-624kB/s), io=23.4MiB (24.5MB), run=10171-10586msec WRITE: bw=2381KiB/s (2438kB/s), 587KiB/s-620KiB/s (601kB/s-635kB/s), io=24.6MiB (25.8MB), run=10171-10586msec 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=3738: Tue Dec 17 07:13:16 2024 read: IOPS=2, BW=2365KiB/s (2422kB/s)(7168KiB/3031msec) clat (msec): min=18, max=1030, avg=178.48, stdev=376.09 lat (msec): min=18, max=1030, avg=178.48, stdev=376.09 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 20], 10.00th=[ 20], 20.00th=[ 20], | 30.00th=[ 23], 40.00th=[ 23], 50.00th=[ 46], 60.00th=[ 48], | 70.00th=[ 48], 80.00th=[ 64], 90.00th=[ 1028], 95.00th=[ 1028], | 99.00th=[ 1028], 99.50th=[ 1028], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1028] bw ( KiB/s): min= 2048, max=10240, per=90.94%, avg=6144.00, stdev=5792.62, samples=2 iops : min= 2, max= 10, avg= 6.00, stdev= 5.66, samples=2 write: IOPS=1, BW=1689KiB/s (1730kB/s)(5120KiB/3031msec) clat (msec): min=80, max=573, avg=350.52, stdev=239.34 lat (msec): min=80, max=573, avg=350.59, stdev=239.36 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 82], | 30.00th=[ 106], 40.00th=[ 106], 50.00th=[ 451], 60.00th=[ 451], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 575], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 2048, max= 4096, per=28.87%, avg=2730.67, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 2.67, stdev= 1.15, samples=3 lat (msec) : 20=16.67%, 50=25.00%, 100=16.67%, 250=8.33%, 500=8.33% lat (msec) : 750=16.67% cpu : usr=0.03%, sys=3.04%, ctx=278, 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=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=3739: Tue Dec 17 07:13:16 2024 read: IOPS=0, BW=1023KiB/s (1048kB/s)(2048KiB/2002msec) clat (usec): min=16428, max=70034, avg=43231.53, stdev=37904.95 lat (usec): min=16431, max=70035, avg=43233.56, stdev=37904.18 clat percentiles (usec): | 1.00th=[16450], 5.00th=[16450], 10.00th=[16450], 20.00th=[16450], | 30.00th=[16450], 40.00th=[16450], 50.00th=[16450], 60.00th=[69731], | 70.00th=[69731], 80.00th=[69731], 90.00th=[69731], 95.00th=[69731], | 99.00th=[69731], 99.50th=[69731], 99.90th=[69731], 99.95th=[69731], | 99.99th=[69731] bw ( KiB/s): min= 2043, max= 2048, per=30.28%, avg=2045.50, stdev= 3.54, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=4, BW=5115KiB/s (5238kB/s)(10.0MiB/2002msec) clat (msec): min=27, max=586, avg=189.04, stdev=206.60 lat (msec): min=27, max=586, avg=189.11, stdev=206.60 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 28], 10.00th=[ 28], 20.00th=[ 38], | 30.00th=[ 39], 40.00th=[ 55], 50.00th=[ 93], 60.00th=[ 95], | 70.00th=[ 405], 80.00th=[ 405], 90.00th=[ 447], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 2043, max= 8192, per=48.70%, avg=4606.75, stdev=2578.67, samples=4 iops : min= 1, max= 8, avg= 4.25, stdev= 2.87, samples=4 lat (msec) : 20=8.33%, 50=25.00%, 100=33.33%, 250=8.33%, 500=16.67% lat (msec) : 750=8.33% cpu : usr=0.00%, sys=6.10%, ctx=104, 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=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=3740: Tue Dec 17 07:13:16 2024 read: IOPS=3, BW=3182KiB/s (3258kB/s)(6144KiB/1931msec) clat (msec): min=21, max=565, avg=185.10, stdev=247.33 lat (msec): min=21, max=565, avg=185.10, stdev=247.33 clat percentiles (msec): | 1.00th=[ 22], 5.00th=[ 22], 10.00th=[ 22], 20.00th=[ 22], | 30.00th=[ 22], 40.00th=[ 33], 50.00th=[ 33], 60.00th=[ 35], | 70.00th=[ 435], 80.00th=[ 435], 90.00th=[ 567], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 2048, max= 4096, per=50.52%, avg=3413.33, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 3.33, stdev= 1.15, samples=3 write: IOPS=3, BW=3182KiB/s (3258kB/s)(6144KiB/1931msec) clat (msec): min=32, max=539, avg=135.58, stdev=198.46 lat (msec): min=32, max=539, avg=135.64, stdev=198.46 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 33], 10.00th=[ 33], 20.00th=[ 37], | 30.00th=[ 37], 40.00th=[ 67], 50.00th=[ 67], 60.00th=[ 69], | 70.00th=[ 70], 80.00th=[ 70], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 2048, max= 8192, per=54.13%, avg=5120.00, stdev=4344.46, samples=2 iops : min= 2, max= 8, avg= 5.00, stdev= 4.24, samples=2 lat (msec) : 50=50.00%, 100=25.00%, 500=8.33%, 750=16.67% cpu : usr=0.05%, sys=4.35%, ctx=48, 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=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=3741: Tue Dec 17 07:13:16 2024 read: IOPS=1, BW=2020KiB/s (2068kB/s)(5120KiB/2535msec) clat (msec): min=13, max=1084, avg=333.96, stdev=466.69 lat (msec): min=13, max=1084, avg=333.96, stdev=466.69 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 14], 10.00th=[ 14], 20.00th=[ 14], | 30.00th=[ 24], 40.00th=[ 24], 50.00th=[ 49], 60.00th=[ 49], | 70.00th=[ 498], 80.00th=[ 498], 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= 2048, max= 4096, per=40.42%, avg=2730.67, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 2.67, stdev= 1.15, samples=3 write: IOPS=2, BW=2828KiB/s (2895kB/s)(7168KiB/2535msec) clat (msec): min=25, max=513, avg=118.85, stdev=175.80 lat (msec): min=25, max=513, avg=118.93, stdev=175.80 clat percentiles (msec): | 1.00th=[ 26], 5.00th=[ 26], 10.00th=[ 26], 20.00th=[ 32], | 30.00th=[ 39], 40.00th=[ 39], 50.00th=[ 53], 60.00th=[ 73], | 70.00th=[ 73], 80.00th=[ 100], 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= 2048, max= 8192, per=43.30%, avg=4096.00, stdev=3547.24, samples=3 iops : min= 2, max= 8, avg= 4.00, stdev= 3.46, samples=3 lat (msec) : 20=8.33%, 50=41.67%, 100=25.00%, 500=8.33%, 750=8.33% cpu : usr=0.08%, sys=3.55%, ctx=43, 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=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=6757KiB/s (6919kB/s), 1023KiB/s-3182KiB/s (1048kB/s-3258kB/s), io=20.0MiB (20.0MB), run=1931-3031msec WRITE: bw=9460KiB/s (9687kB/s), 1689KiB/s-5115KiB/s (1730kB/s-5238kB/s), io=28.0MiB (29.4MB), run=1931-3031msec rand-rw: (groupid=0, jobs=1): err= 0: pid=3742: Tue Dec 17 07:13:16 2024 read: IOPS=2, BW=2467KiB/s (2526kB/s)(7168KiB/2906msec) clat (usec): min=544, max=905469, avg=356471.50, stdev=341571.21 lat (usec): min=545, max=905471, avg=356472.95, stdev=341571.23 clat percentiles (usec): | 1.00th=[ 545], 5.00th=[ 545], 10.00th=[ 545], 20.00th=[ 30016], | 30.00th=[ 56361], 40.00th=[ 56361], 50.00th=[425722], 60.00th=[492831], | 70.00th=[492831], 80.00th=[583009], 90.00th=[901776], 95.00th=[901776], | 99.00th=[901776], 99.50th=[901776], 99.90th=[901776], 99.95th=[901776], | 99.99th=[901776] bw ( KiB/s): min= 1695, max= 4096, per=44.35%, avg=2983.75, stdev=1292.38, samples=4 iops : min= 1, max= 4, avg= 2.75, stdev= 1.50, samples=4 write: IOPS=1, BW=1762KiB/s (1804kB/s)(5120KiB/2906msec) clat (msec): min=27, max=209, avg=69.44, stdev=78.75 lat (msec): min=27, max=209, avg=69.56, stdev=78.73 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 28], 10.00th=[ 28], 20.00th=[ 28], | 30.00th=[ 29], 40.00th=[ 29], 50.00th=[ 32], 60.00th=[ 32], | 70.00th=[ 50], 80.00th=[ 50], 90.00th=[ 209], 95.00th=[ 209], | 99.00th=[ 209], 99.50th=[ 209], 99.90th=[ 209], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 1695, max= 6144, per=34.99%, avg=3295.67, stdev=2473.04, samples=3 iops : min= 1, max= 6, avg= 3.00, stdev= 2.65, samples=3 lat (usec) : 750=8.33% lat (msec) : 50=41.67%, 100=8.33%, 250=8.33%, 500=16.67%, 750=8.33% lat (msec) : 1000=8.33% cpu : usr=0.10%, sys=16.14%, ctx=1092, 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=3743: Tue Dec 17 07:13:16 2024 read: IOPS=0, BW=673KiB/s (689kB/s)(2048KiB/3044msec) clat (msec): min=49, max=537, avg=293.16, stdev=345.18 lat (msec): min=49, max=537, avg=293.16, stdev=345.18 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 50], | 30.00th=[ 50], 40.00th=[ 50], 50.00th=[ 50], 60.00th=[ 542], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 2043, max= 2048, per=30.41%, avg=2045.50, stdev= 3.54, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=3, BW=3364KiB/s (3445kB/s)(10.0MiB/3044msec) clat (msec): min=29, max=996, avg=240.21, stdev=341.80 lat (msec): min=29, max=996, avg=240.29, stdev=341.80 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 30], 10.00th=[ 30], 20.00th=[ 33], | 30.00th=[ 35], 40.00th=[ 45], 50.00th=[ 48], 60.00th=[ 51], | 70.00th=[ 447], 80.00th=[ 447], 90.00th=[ 651], 95.00th=[ 995], | 99.00th=[ 995], 99.50th=[ 995], 99.90th=[ 995], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 2039, max= 6144, per=32.58%, avg=3068.50, stdev=2050.34, samples=4 iops : min= 1, max= 6, avg= 2.50, stdev= 2.38, samples=4 lat (msec) : 50=50.00%, 100=16.67%, 500=8.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=12.03%, ctx=357, 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=3744: Tue Dec 17 07:13:16 2024 read: IOPS=3, BW=3361KiB/s (3442kB/s)(6144KiB/1828msec) clat (msec): min=14, max=501, avg=257.11, stdev=247.58 lat (msec): min=14, max=501, avg=257.11, stdev=247.58 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 15], 10.00th=[ 15], 20.00th=[ 27], | 30.00th=[ 27], 40.00th=[ 54], 50.00th=[ 54], 60.00th=[ 468], | 70.00th=[ 481], 80.00th=[ 481], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 2048, max= 4096, per=50.74%, avg=3413.33, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 3.33, stdev= 1.15, samples=3 write: IOPS=3, BW=3361KiB/s (3442kB/s)(6144KiB/1828msec) clat (usec): min=28185, max=94075, avg=45245.20, stdev=24463.87 lat (usec): min=28260, max=94147, avg=45305.36, stdev=24467.90 clat percentiles (usec): | 1.00th=[28181], 5.00th=[28181], 10.00th=[28181], 20.00th=[31327], | 30.00th=[31327], 40.00th=[36963], 50.00th=[36963], 60.00th=[39060], | 70.00th=[42206], 80.00th=[42206], 90.00th=[93848], 95.00th=[93848], | 99.00th=[93848], 99.50th=[93848], 99.90th=[93848], 99.95th=[93848], | 99.99th=[93848] bw ( KiB/s): min= 2048, max= 8192, per=43.49%, avg=4096.00, stdev=3547.24, samples=3 iops : min= 2, max= 8, avg= 4.00, stdev= 3.46, samples=3 lat (msec) : 20=8.33%, 50=50.00%, 100=16.67%, 500=16.67%, 750=8.33% cpu : usr=0.11%, sys=23.21%, ctx=944, 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=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=3745: Tue Dec 17 07:13:16 2024 read: IOPS=2, BW=2086KiB/s (2136kB/s)(5120KiB/2454msec) clat (msec): min=49, max=552, avg=415.25, stdev=207.54 lat (msec): min=49, max=552, avg=415.25, stdev=207.54 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 50], | 30.00th=[ 464], 40.00th=[ 464], 50.00th=[ 481], 60.00th=[ 481], | 70.00th=[ 531], 80.00th=[ 531], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 2043, max= 2048, per=30.43%, avg=2046.75, stdev= 2.50, samples=4 iops : min= 1, max= 2, avg= 1.75, stdev= 0.50, samples=4 write: IOPS=2, BW=2921KiB/s (2991kB/s)(7168KiB/2454msec) clat (usec): min=25141, max=77702, avg=49714.78, stdev=21458.54 lat (usec): min=25216, max=77795, avg=49798.80, stdev=21461.66 clat percentiles (usec): | 1.00th=[25035], 5.00th=[25035], 10.00th=[25035], 20.00th=[31589], | 30.00th=[32900], 40.00th=[32900], 50.00th=[49021], 60.00th=[54789], | 70.00th=[54789], 80.00th=[77071], 90.00th=[78119], 95.00th=[78119], | 99.00th=[78119], 99.50th=[78119], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 6131, max= 8192, per=76.03%, avg=7161.50, stdev=1457.35, samples=2 iops : min= 5, max= 8, avg= 6.50, stdev= 2.12, samples=2 lat (msec) : 50=41.67%, 100=25.00%, 500=16.67%, 750=16.67% cpu : usr=0.08%, sys=19.81%, ctx=1163, 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=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=6728KiB/s (6889kB/s), 673KiB/s-3361KiB/s (689kB/s-3442kB/s), io=20.0MiB (20.0MB), run=1828-3044msec WRITE: bw=9419KiB/s (9645kB/s), 1762KiB/s-3364KiB/s (1804kB/s-3445kB/s), io=28.0MiB (29.4MB), run=1828-3044msec 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=3758: Tue Dec 17 07:13:20 2024 read: IOPS=1, BW=5218KiB/s (5343kB/s)(12.0MiB/2355msec) clat (msec): min=181, max=1196, avg=782.11, stdev=532.57 lat (msec): min=181, max=1196, avg=782.11, stdev=532.57 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 182], | 30.00th=[ 182], 40.00th=[ 969], 50.00th=[ 969], 60.00th=[ 969], | 70.00th=[ 1200], 80.00th=[ 1200], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 1000=33.33% cpu : usr=0.08%, sys=45.24%, ctx=964, 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=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=3759: Tue Dec 17 07:13:20 2024 read: IOPS=0, BW=1619KiB/s (1658kB/s)(4096KiB/2530msec) clat (nsec): min=168771k, max=168771k, avg=168770823.00, stdev= 0.00 lat (nsec): min=168774k, max=168774k, avg=168773865.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 169], 50.00th=[ 169], 60.00th=[ 169], | 70.00th=[ 169], 80.00th=[ 169], 90.00th=[ 169], 95.00th=[ 169], | 99.00th=[ 169], 99.50th=[ 169], 99.90th=[ 169], 99.95th=[ 169], | 99.99th=[ 169] 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=3238KiB/s (3316kB/s)(8192KiB/2530msec) clat (msec): min=158, max=2182, avg=1170.47, stdev=1431.24 lat (msec): min=158, max=2182, avg=1170.78, stdev=1431.18 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 159], | 30.00th=[ 159], 40.00th=[ 159], 50.00th=[ 159], 60.00th=[ 2198], | 70.00th=[ 2198], 80.00th=[ 2198], 90.00th=[ 2198], 95.00th=[ 2198], | 99.00th=[ 2198], 99.50th=[ 2198], 99.90th=[ 2198], 99.95th=[ 2198], | 99.99th=[ 2198] bw ( KiB/s): min= 8062, max= 8062, per=62.25%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67% cpu : usr=0.00%, sys=12.34%, ctx=221, 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=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=3760: Tue Dec 17 07:13:20 2024 write: IOPS=1, BW=4985KiB/s (5105kB/s)(12.0MiB/2465msec) clat (msec): min=219, max=1951, avg=814.63, stdev=984.56 lat (msec): min=219, max=1951, avg=814.92, stdev=984.59 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 220], 10.00th=[ 220], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 1955], 80.00th=[ 1955], 90.00th=[ 1955], 95.00th=[ 1955], | 99.00th=[ 1955], 99.50th=[ 1955], 99.90th=[ 1955], 99.95th=[ 1955], | 99.99th=[ 1955] bw ( KiB/s): min= 8192, max= 8192, per=63.25%, avg=8192.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33% cpu : usr=0.00%, sys=11.04%, ctx=51, 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=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=3761: Tue Dec 17 07:13:20 2024 write: IOPS=1, BW=4977KiB/s (5096kB/s)(12.0MiB/2469msec) clat (msec): min=149, max=2005, avg=816.31, stdev=1032.36 lat (msec): min=150, max=2005, avg=816.62, stdev=1032.34 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 150], | 30.00th=[ 150], 40.00th=[ 296], 50.00th=[ 296], 60.00th=[ 296], | 70.00th=[ 2005], 80.00th=[ 2005], 90.00th=[ 2005], 95.00th=[ 2005], | 99.00th=[ 2005], 99.50th=[ 2005], 99.90th=[ 2005], 99.95th=[ 2005], | 99.99th=[ 2005] bw ( KiB/s): min= 8192, max= 8192, per=63.25%, 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% cpu : usr=0.04%, sys=12.48%, ctx=50, 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=6476KiB/s (6631kB/s), 1619KiB/s-5218KiB/s (1658kB/s-5343kB/s), io=16.0MiB (16.8MB), run=2355-2530msec WRITE: bw=12.6MiB/s (13.3MB/s), 3238KiB/s-4985KiB/s (3316kB/s-5105kB/s), io=32.0MiB (33.6MB), run=2465-2530msec rand-rw: (groupid=0, jobs=1): err= 0: pid=3754: Tue Dec 17 07:13:20 2024 read: IOPS=5, BW=22.4MiB/s (23.5MB/s)(12.0MiB/536msec) clat (msec): min=32, max=317, avg=166.55, stdev=143.49 lat (msec): min=32, max=317, avg=166.56, stdev=143.48 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 33], 10.00th=[ 33], 20.00th=[ 33], | 30.00th=[ 33], 40.00th=[ 150], 50.00th=[ 150], 60.00th=[ 150], | 70.00th=[ 317], 80.00th=[ 317], 90.00th=[ 317], 95.00th=[ 317], | 99.00th=[ 317], 99.50th=[ 317], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] 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) : 50=33.33%, 250=33.33%, 500=33.33% cpu : usr=0.00%, sys=16.82%, ctx=38, 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=3755: Tue Dec 17 07:13:20 2024 read: IOPS=0, BW=1406KiB/s (1440kB/s)(4096KiB/2913msec) clat (nsec): min=503275k, max=503275k, avg=503275380.00, stdev= 0.00 lat (nsec): min=503278k, max=503278k, avg=503277983.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 502], 5.00th=[ 502], 10.00th=[ 502], 20.00th=[ 502], | 30.00th=[ 502], 40.00th=[ 502], 50.00th=[ 502], 60.00th=[ 502], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 502], 95.00th=[ 502], | 99.00th=[ 502], 99.50th=[ 502], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] 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=2812KiB/s (2880kB/s)(8192KiB/2913msec) clat (msec): min=331, max=2047, avg=1189.26, stdev=1213.59 lat (msec): min=331, max=2047, avg=1189.46, stdev=1213.61 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 330], 10.00th=[ 330], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 330], 50.00th=[ 330], 60.00th=[ 2056], | 70.00th=[ 2056], 80.00th=[ 2056], 90.00th=[ 2056], 95.00th=[ 2056], | 99.00th=[ 2056], 99.50th=[ 2056], 99.90th=[ 2056], 99.95th=[ 2056], | 99.99th=[ 2056] lat (msec) : 500=33.33%, 750=33.33% cpu : usr=0.03%, sys=4.19%, ctx=84, 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=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=3756: Tue Dec 17 07:13:20 2024 write: IOPS=1, BW=4516KiB/s (4624kB/s)(12.0MiB/2721msec) clat (msec): min=69, max=1896, avg=889.11, stdev=927.74 lat (msec): min=69, max=1896, avg=889.50, stdev=927.72 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 69], 10.00th=[ 69], 20.00th=[ 69], | 30.00th=[ 69], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 1905], 80.00th=[ 1905], 90.00th=[ 1905], 95.00th=[ 1905], | 99.00th=[ 1905], 99.50th=[ 1905], 99.90th=[ 1905], 99.95th=[ 1905], | 99.99th=[ 1905] bw ( KiB/s): min= 8192, max= 8192, per=72.83%, 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%, 750=33.33% cpu : usr=0.00%, sys=4.63%, 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=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=3757: Tue Dec 17 07:13:20 2024 write: IOPS=1, BW=5297KiB/s (5424kB/s)(12.0MiB/2320msec) clat (msec): min=53, max=2023, avg=755.21, stdev=1100.64 lat (msec): min=54, max=2024, avg=755.58, stdev=1100.58 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 54], 10.00th=[ 54], 20.00th=[ 54], | 30.00th=[ 54], 40.00th=[ 188], 50.00th=[ 188], 60.00th=[ 188], | 70.00th=[ 2022], 80.00th=[ 2022], 90.00th=[ 2022], 95.00th=[ 2022], | 99.00th=[ 2022], 99.50th=[ 2022], 99.90th=[ 2022], 99.95th=[ 2022], | 99.99th=[ 2022] bw ( KiB/s): min= 8192, max= 8192, per=72.83%, 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%, 250=33.33% cpu : usr=0.09%, sys=4.66%, ctx=84, 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=5624KiB/s (5759kB/s), 1406KiB/s-22.4MiB/s (1440kB/s-23.5MB/s), io=16.0MiB (16.8MB), run=536-2913msec WRITE: bw=10.0MiB/s (11.5MB/s), 2812KiB/s-5297KiB/s (2880kB/s-5424kB/s), io=32.0MiB (33.6MB), run=2320-2913msec