== sanity test 398b: DIO and buffer IO race ============== 13:40:41 (1761241241) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 5.32651 s, 9.4 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=147063: Thu Oct 23 13:42:26 2025 read: IOPS=17, BW=70.4KiB/s (72.1kB/s)(5992KiB/85160msec) clat (usec): min=91, max=624204, avg=28346.25, stdev=27199.56 lat (usec): min=91, max=624206, avg=28347.48, stdev=27199.55 clat percentiles (usec): | 1.00th=[ 119], 5.00th=[ 161], 10.00th=[ 255], 20.00th=[ 13698], | 30.00th=[ 16712], 40.00th=[ 20055], 50.00th=[ 23725], 60.00th=[ 28181], | 70.00th=[ 33817], 80.00th=[ 42206], 90.00th=[ 53740], 95.00th=[ 64226], | 99.00th=[ 95945], 99.50th=[124257], 99.90th=[250610], 99.95th=[624952], | 99.99th=[624952] bw ( KiB/s): min= 7, max= 166, per=24.94%, avg=69.58, stdev=25.54, samples=168 iops : min= 1, max= 41, avg=16.80, stdev= 6.41, samples=168 write: IOPS=18, BW=73.9KiB/s (75.7kB/s)(6296KiB/85160msec); 0 zone resets clat (usec): min=875, max=142959, avg=26909.40, stdev=26761.29 lat (usec): min=877, max=142961, avg=26910.92, stdev=26761.49 clat percentiles (usec): | 1.00th=[ 988], 5.00th=[ 1074], 10.00th=[ 1172], 20.00th=[ 2343], | 30.00th=[ 5932], 40.00th=[ 13435], 50.00th=[ 20579], 60.00th=[ 27132], | 70.00th=[ 36439], 80.00th=[ 45876], 90.00th=[ 63701], 95.00th=[ 80217], | 99.00th=[115868], 99.50th=[127402], 99.90th=[141558], 99.95th=[143655], | 99.99th=[143655] bw ( KiB/s): min= 7, max= 212, per=25.04%, avg=73.12, stdev=29.62, samples=168 iops : min= 1, max= 53, avg=17.68, stdev= 7.46, samples=168 lat (usec) : 100=0.07%, 250=4.69%, 500=0.62%, 750=0.20%, 1000=0.75% lat (msec) : 2=9.15%, 4=3.78%, 10=6.58%, 20=18.72%, 50=40.49% lat (msec) : 100=13.48%, 250=1.46%, 750=0.03% cpu : usr=0.10%, sys=8.52%, ctx=6453, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147064: Thu Oct 23 13:42:26 2025 read: IOPS=17, BW=69.1KiB/s (70.7kB/s)(5940KiB/85982msec) clat (usec): min=98, max=355377, avg=28240.73, stdev=23070.67 lat (usec): min=99, max=355378, avg=28243.69, stdev=23068.69 clat percentiles (usec): | 1.00th=[ 130], 5.00th=[ 163], 10.00th=[ 355], 20.00th=[ 13829], | 30.00th=[ 17171], 40.00th=[ 20841], 50.00th=[ 24511], 60.00th=[ 28705], | 70.00th=[ 34341], 80.00th=[ 41157], 90.00th=[ 52691], 95.00th=[ 63701], | 99.00th=[ 92799], 99.50th=[121111], 99.90th=[346031], 99.95th=[354419], | 99.99th=[354419] bw ( KiB/s): min= 7, max= 157, per=24.57%, avg=68.54, stdev=25.91, samples=170 iops : min= 1, max= 39, avg=16.53, stdev= 6.51, samples=170 write: IOPS=18, BW=73.8KiB/s (75.6kB/s)(6348KiB/85982msec); 0 zone resets clat (usec): min=880, max=617819, avg=27518.03, stdev=31459.27 lat (usec): min=881, max=617821, avg=27520.41, stdev=31460.07 clat percentiles (usec): | 1.00th=[ 971], 5.00th=[ 1057], 10.00th=[ 1156], 20.00th=[ 2474], | 30.00th=[ 5997], 40.00th=[ 13042], 50.00th=[ 20579], 60.00th=[ 27657], | 70.00th=[ 35914], 80.00th=[ 47973], 90.00th=[ 63177], 95.00th=[ 78119], | 99.00th=[122160], 99.50th=[154141], 99.90th=[265290], 99.95th=[616563], | 99.99th=[616563] bw ( KiB/s): min= 7, max= 239, per=25.03%, avg=73.09, stdev=29.26, samples=170 iops : min= 1, max= 59, avg=17.68, stdev= 7.35, samples=170 lat (usec) : 100=0.03%, 250=3.97%, 500=1.11%, 1000=0.81% lat (msec) : 2=8.76%, 4=3.35%, 10=7.68%, 20=17.94%, 50=40.98% lat (msec) : 100=13.87%, 250=1.37%, 500=0.10%, 750=0.03% cpu : usr=0.12%, sys=8.37%, ctx=6479, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147065: Thu Oct 23 13:42:26 2025 read: IOPS=17, BW=71.0KiB/s (73.7kB/s)(6028KiB/83752msec) clat (usec): min=103, max=704252, avg=27525.11, stdev=27662.82 lat (usec): min=104, max=704254, avg=27526.97, stdev=27662.83 clat percentiles (usec): | 1.00th=[ 124], 5.00th=[ 163], 10.00th=[ 285], 20.00th=[ 12780], | 30.00th=[ 16450], 40.00th=[ 19792], 50.00th=[ 23725], 60.00th=[ 27132], | 70.00th=[ 32900], 80.00th=[ 39584], 90.00th=[ 52167], 95.00th=[ 64226], | 99.00th=[ 95945], 99.50th=[126354], 99.90th=[278922], 99.95th=[700449], | 99.99th=[700449] bw ( KiB/s): min= 15, max= 151, per=25.72%, avg=71.75, stdev=25.46, samples=164 iops : min= 3, max= 37, avg=17.34, stdev= 6.42, samples=164 write: IOPS=18, BW=74.7KiB/s (76.5kB/s)(6260KiB/83752msec); 0 zone resets clat (usec): min=826, max=320410, avg=26780.74, stdev=27555.01 lat (usec): min=827, max=320412, avg=26782.66, stdev=27554.56 clat percentiles (usec): | 1.00th=[ 1004], 5.00th=[ 1090], 10.00th=[ 1205], 20.00th=[ 2376], | 30.00th=[ 6259], 40.00th=[ 12518], 50.00th=[ 20317], 60.00th=[ 27919], | 70.00th=[ 35914], 80.00th=[ 45876], 90.00th=[ 63701], 95.00th=[ 76022], | 99.00th=[113771], 99.50th=[137364], 99.90th=[187696], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 15, max= 196, per=25.46%, avg=74.35, stdev=27.51, samples=164 iops : min= 3, max= 49, avg=17.99, stdev= 6.96, samples=164 lat (usec) : 250=4.56%, 500=1.37%, 750=0.20%, 1000=0.49% lat (msec) : 2=9.02%, 4=3.74%, 10=6.77%, 20=18.85%, 50=40.85% lat (msec) : 100=12.99%, 250=1.07%, 500=0.07%, 750=0.03% cpu : usr=0.11%, sys=8.61%, ctx=6303, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147066: Thu Oct 23 13:42:26 2025 read: IOPS=17, BW=71.6KiB/s (73.3kB/s)(6052KiB/84536msec) clat (usec): min=95, max=712458, avg=27961.76, stdev=28398.14 lat (usec): min=95, max=712459, avg=27962.93, stdev=28398.14 clat percentiles (usec): | 1.00th=[ 135], 5.00th=[ 167], 10.00th=[ 371], 20.00th=[ 13304], | 30.00th=[ 16712], 40.00th=[ 19792], 50.00th=[ 23462], 60.00th=[ 27657], | 70.00th=[ 33162], 80.00th=[ 40633], 90.00th=[ 52691], 95.00th=[ 62653], | 99.00th=[ 99091], 99.50th=[135267], 99.90th=[304088], 99.95th=[708838], | 99.99th=[708838] bw ( KiB/s): min= 7, max= 168, per=25.49%, avg=71.11, stdev=25.58, samples=167 iops : min= 1, max= 42, avg=17.19, stdev= 6.44, samples=167 write: IOPS=18, BW=73.8KiB/s (75.5kB/s)(6236KiB/84536msec); 0 zone resets clat (usec): min=876, max=354888, avg=26860.30, stdev=30156.79 lat (usec): min=878, max=354891, avg=26864.40, stdev=30154.96 clat percentiles (usec): | 1.00th=[ 963], 5.00th=[ 1090], 10.00th=[ 1172], 20.00th=[ 2245], | 30.00th=[ 5145], 40.00th=[ 11469], 50.00th=[ 19006], 60.00th=[ 25560], | 70.00th=[ 34866], 80.00th=[ 46924], 90.00th=[ 64226], 95.00th=[ 80217], | 99.00th=[125305], 99.50th=[145753], 99.90th=[295699], 99.95th=[354419], | 99.99th=[354419] bw ( KiB/s): min= 7, max= 188, per=25.23%, avg=73.68, stdev=26.31, samples=166 iops : min= 1, max= 47, avg=17.82, stdev= 6.63, samples=166 lat (usec) : 100=0.03%, 250=3.84%, 500=1.37%, 750=0.10%, 1000=1.11% lat (msec) : 2=8.82%, 4=4.43%, 10=6.54%, 20=19.95%, 50=39.13% lat (msec) : 100=13.22%, 250=1.33%, 500=0.10%, 750=0.03% cpu : usr=0.09%, sys=8.54%, ctx=6252, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=279KiB/s (286kB/s), 69.1KiB/s-71.0KiB/s (70.7kB/s-73.7kB/s), io=23.4MiB (24.6MB), run=83752-85982msec WRITE: bw=292KiB/s (299kB/s), 73.8KiB/s-74.7KiB/s (75.5kB/s-76.5kB/s), io=24.6MiB (25.7MB), run=83752-85982msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147069: Thu Oct 23 13:44:34 2025 read: IOPS=7, BW=28.2KiB/s (28.9kB/s)(5992KiB/212626msec) clat (msec): min=5, max=628, avg=24.84, stdev=25.96 lat (msec): min=5, max=628, avg=24.84, stdev=25.96 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 17], 60.00th=[ 21], | 70.00th=[ 25], 80.00th=[ 33], 90.00th=[ 52], 95.00th=[ 66], | 99.00th=[ 104], 99.50th=[ 136], 99.90th=[ 251], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 7, max= 103, per=26.66%, avg=29.86, stdev=19.38, samples=389 iops : min= 1, max= 25, avg= 6.83, stdev= 4.85, samples=389 write: IOPS=7, BW=29.6KiB/s (30.3kB/s)(6296KiB/212626msec); 0 zone resets clat (msec): min=38, max=437, avg=111.36, stdev=46.63 lat (msec): min=38, max=437, avg=111.37, stdev=46.63 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 57], 10.00th=[ 62], 20.00th=[ 73], | 30.00th=[ 83], 40.00th=[ 92], 50.00th=[ 102], 60.00th=[ 112], | 70.00th=[ 125], 80.00th=[ 146], 90.00th=[ 176], 95.00th=[ 203], | 99.00th=[ 259], 99.50th=[ 288], 99.90th=[ 388], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 7, max= 56, per=24.81%, avg=29.02, stdev=11.30, samples=420 iops : min= 1, max= 14, avg= 6.62, stdev= 2.88, samples=420 lat (msec) : 10=5.47%, 20=23.93%, 50=15.27%, 100=28.45%, 250=26.27% lat (msec) : 500=0.59%, 750=0.03% cpu : usr=0.05%, sys=1.55%, ctx=5163, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147070: Thu Oct 23 13:44:34 2025 read: IOPS=6, BW=27.9KiB/s (28.5kB/s)(5940KiB/213126msec) clat (msec): min=5, max=699, avg=24.97, stdev=26.69 lat (msec): min=5, max=699, avg=24.98, stdev=26.69 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 18], 60.00th=[ 21], | 70.00th=[ 25], 80.00th=[ 35], 90.00th=[ 50], 95.00th=[ 67], | 99.00th=[ 107], 99.50th=[ 120], 99.90th=[ 144], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 5, max= 134, per=26.86%, avg=30.08, stdev=19.20, samples=383 iops : min= 1, max= 33, avg= 6.89, stdev= 4.83, samples=383 write: IOPS=7, BW=29.8KiB/s (30.5kB/s)(6348KiB/213126msec); 0 zone resets clat (msec): min=34, max=445, avg=110.84, stdev=48.44 lat (msec): min=34, max=445, avg=110.84, stdev=48.44 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 72], | 30.00th=[ 82], 40.00th=[ 90], 50.00th=[ 100], 60.00th=[ 110], | 70.00th=[ 126], 80.00th=[ 144], 90.00th=[ 176], 95.00th=[ 207], | 99.00th=[ 275], 99.50th=[ 296], 99.90th=[ 388], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 7, max= 63, per=24.99%, avg=29.24, stdev=11.28, samples=420 iops : min= 1, max= 15, avg= 6.67, stdev= 2.89, samples=420 lat (msec) : 10=6.02%, 20=22.59%, 50=16.24%, 100=28.97%, 250=25.23% lat (msec) : 500=0.91%, 750=0.03% cpu : usr=0.06%, sys=1.56%, ctx=5437, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147071: Thu Oct 23 13:44:34 2025 read: IOPS=7, BW=28.4KiB/s (29.1kB/s)(6028KiB/211902msec) clat (msec): min=5, max=219, avg=25.27, stdev=21.89 lat (msec): min=5, max=219, avg=25.27, stdev=21.89 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 18], 60.00th=[ 21], | 70.00th=[ 27], 80.00th=[ 35], 90.00th=[ 52], 95.00th=[ 68], | 99.00th=[ 112], 99.50th=[ 130], 99.90th=[ 197], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 7, max= 103, per=26.61%, avg=29.81, stdev=19.06, samples=393 iops : min= 1, max= 25, avg= 6.82, stdev= 4.77, samples=393 write: IOPS=7, BW=29.5KiB/s (30.2kB/s)(6260KiB/211902msec); 0 zone resets clat (msec): min=40, max=824, avg=110.99, stdev=51.04 lat (msec): min=40, max=824, avg=110.99, stdev=51.04 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 56], 10.00th=[ 64], 20.00th=[ 72], | 30.00th=[ 83], 40.00th=[ 91], 50.00th=[ 100], 60.00th=[ 111], | 70.00th=[ 124], 80.00th=[ 144], 90.00th=[ 174], 95.00th=[ 203], | 99.00th=[ 271], 99.50th=[ 292], 99.90th=[ 510], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 7, max= 56, per=24.91%, avg=29.15, stdev=11.44, samples=417 iops : min= 1, max= 14, avg= 6.65, stdev= 2.92, samples=417 lat (msec) : 10=5.60%, 20=23.63%, 50=15.56%, 100=29.17%, 250=25.07% lat (msec) : 500=0.91%, 750=0.03%, 1000=0.03% cpu : usr=0.06%, sys=1.59%, ctx=5270, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147072: Thu Oct 23 13:44:34 2025 read: IOPS=7, BW=28.5KiB/s (29.2kB/s)(6052KiB/212356msec) clat (msec): min=5, max=283, avg=25.29, stdev=23.24 lat (msec): min=5, max=283, avg=25.29, stdev=23.24 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 26], 80.00th=[ 35], 90.00th=[ 53], 95.00th=[ 70], | 99.00th=[ 117], 99.50th=[ 138], 99.90th=[ 220], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 7, max= 127, per=27.24%, avg=30.51, stdev=19.23, samples=386 iops : min= 1, max= 31, avg= 6.99, stdev= 4.83, samples=386 write: IOPS=7, BW=29.4KiB/s (30.1kB/s)(6236KiB/212356msec); 0 zone resets clat (msec): min=39, max=828, avg=111.60, stdev=51.52 lat (msec): min=39, max=828, avg=111.60, stdev=51.52 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 56], 10.00th=[ 63], 20.00th=[ 73], | 30.00th=[ 82], 40.00th=[ 91], 50.00th=[ 101], 60.00th=[ 112], | 70.00th=[ 126], 80.00th=[ 144], 90.00th=[ 178], 95.00th=[ 203], | 99.00th=[ 266], 99.50th=[ 309], 99.90th=[ 514], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 7, max= 56, per=24.63%, avg=28.82, stdev=11.69, samples=420 iops : min= 1, max= 14, avg= 6.56, stdev= 2.98, samples=420 lat (msec) : 10=6.25%, 20=23.70%, 50=14.91%, 100=29.10%, 250=25.03% lat (msec) : 500=0.94%, 750=0.03%, 1000=0.03% cpu : usr=0.06%, sys=1.58%, ctx=5354, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=113KiB/s (115kB/s), 27.9KiB/s-28.5KiB/s (28.5kB/s-29.2kB/s), io=23.4MiB (24.6MB), run=211902-213126msec WRITE: bw=118KiB/s (121kB/s), 29.4KiB/s-29.8KiB/s (30.1kB/s-30.5kB/s), io=24.6MiB (25.7MB), run=211902-213126msec mix direct rw 16384 by fio with 4 jobs... mix buffer rw 16384 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=147127: Thu Oct 23 13:45:03 2025 read: IOPS=17, BW=283KiB/s (290kB/s)(5920KiB/20891msec) clat (usec): min=108, max=176563, avg=28164.85, stdev=25908.00 lat (usec): min=108, max=176564, avg=28166.07, stdev=25908.03 clat percentiles (usec): | 1.00th=[ 114], 5.00th=[ 137], 10.00th=[ 155], 20.00th=[ 194], | 30.00th=[ 12911], 40.00th=[ 20317], 50.00th=[ 25297], 60.00th=[ 31065], | 70.00th=[ 38011], 80.00th=[ 46924], 90.00th=[ 57934], 95.00th=[ 69731], | 99.00th=[129500], 99.50th=[143655], 99.90th=[177210], 99.95th=[177210], | 99.99th=[177210] bw ( KiB/s): min= 127, max= 538, per=27.36%, avg=283.98, stdev=104.10, samples=41 iops : min= 7, max= 33, avg=17.10, stdev= 6.50, samples=41 write: IOPS=19, BW=305KiB/s (312kB/s)(6368KiB/20891msec); 0 zone resets clat (usec): min=1260, max=155676, avg=25722.47, stdev=26154.52 lat (usec): min=1262, max=155677, avg=25724.78, stdev=26154.23 clat percentiles (usec): | 1.00th=[ 1401], 5.00th=[ 1549], 10.00th=[ 1696], 20.00th=[ 2900], | 30.00th=[ 6718], 40.00th=[ 10552], 50.00th=[ 16909], 60.00th=[ 23462], | 70.00th=[ 34341], 80.00th=[ 45876], 90.00th=[ 66323], 95.00th=[ 80217], | 99.00th=[106431], 99.50th=[117965], 99.90th=[156238], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 95, max= 638, per=27.95%, avg=305.27, stdev=123.89, samples=41 iops : min= 5, max= 39, avg=18.41, stdev= 7.71, samples=41 lat (usec) : 250=10.94%, 500=1.56%, 750=0.26%, 1000=0.13% lat (msec) : 2=8.33%, 4=4.43%, 10=8.07%, 20=14.06%, 50=35.29% lat (msec) : 100=15.76%, 250=1.17% cpu : usr=0.12%, sys=8.65%, ctx=1377, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147128: Thu Oct 23 13:45:03 2025 read: IOPS=16, BW=257KiB/s (263kB/s)(5744KiB/22339msec) clat (usec): min=111, max=142062, avg=28676.02, stdev=24177.22 lat (usec): min=111, max=142064, avg=28682.54, stdev=24179.14 clat percentiles (usec): | 1.00th=[ 120], 5.00th=[ 147], 10.00th=[ 165], 20.00th=[ 379], | 30.00th=[ 16581], 40.00th=[ 21627], 50.00th=[ 26608], 60.00th=[ 31327], | 70.00th=[ 36439], 80.00th=[ 44303], 90.00th=[ 55837], 95.00th=[ 69731], | 99.00th=[109577], 99.50th=[139461], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 27, max= 471, per=24.88%, avg=258.30, stdev=93.84, samples=43 iops : min= 1, max= 29, avg=15.47, stdev= 5.91, samples=43 write: IOPS=18, BW=293KiB/s (300kB/s)(6544KiB/22339msec); 0 zone resets clat (usec): min=1307, max=223986, avg=29256.97, stdev=31876.48 lat (usec): min=1308, max=223989, avg=29260.59, stdev=31875.31 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 1598], 10.00th=[ 1778], 20.00th=[ 3589], | 30.00th=[ 8291], 40.00th=[ 12518], 50.00th=[ 18220], 60.00th=[ 26870], | 70.00th=[ 36963], 80.00th=[ 51119], 90.00th=[ 66323], 95.00th=[ 89654], | 99.00th=[147850], 99.50th=[160433], 99.90th=[223347], 99.95th=[223347], | 99.99th=[223347] bw ( KiB/s): min= 94, max= 508, per=26.67%, avg=291.28, stdev=89.52, samples=43 iops : min= 5, max= 31, avg=17.53, stdev= 5.68, samples=43 lat (usec) : 250=8.46%, 500=1.04%, 750=0.13% lat (msec) : 2=7.16%, 4=5.34%, 10=8.07%, 20=14.58%, 50=37.37% lat (msec) : 100=15.10%, 250=2.73% cpu : usr=0.11%, sys=8.52%, ctx=1412, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147129: Thu Oct 23 13:45:03 2025 read: IOPS=17, BW=273KiB/s (279kB/s)(6256KiB/22936msec) clat (usec): min=107, max=132409, avg=30830.88, stdev=25269.48 lat (usec): min=108, max=132410, avg=30832.08, stdev=25269.49 clat percentiles (usec): | 1.00th=[ 116], 5.00th=[ 153], 10.00th=[ 178], 20.00th=[ 457], | 30.00th=[ 16909], 40.00th=[ 22676], 50.00th=[ 29492], 60.00th=[ 33817], | 70.00th=[ 40633], 80.00th=[ 49021], 90.00th=[ 61080], 95.00th=[ 76022], | 99.00th=[117965], 99.50th=[131597], 99.90th=[132645], 99.95th=[132645], | 99.99th=[132645] bw ( KiB/s): min= 93, max= 510, per=27.01%, avg=280.41, stdev=92.44, samples=44 iops : min= 5, max= 31, avg=16.84, stdev= 5.83, samples=44 write: IOPS=16, BW=263KiB/s (269kB/s)(6032KiB/22936msec); 0 zone resets clat (usec): min=1296, max=218333, avg=28212.60, stdev=28749.30 lat (usec): min=1298, max=218336, avg=28227.29, stdev=28753.20 clat percentiles (usec): | 1.00th=[ 1418], 5.00th=[ 1631], 10.00th=[ 1778], 20.00th=[ 3163], | 30.00th=[ 7046], 40.00th=[ 12780], 50.00th=[ 20055], 60.00th=[ 27919], | 70.00th=[ 38536], 80.00th=[ 49021], 90.00th=[ 65799], 95.00th=[ 73925], | 99.00th=[129500], 99.50th=[137364], 99.90th=[219153], 99.95th=[219153], | 99.99th=[219153] bw ( KiB/s): min= 55, max= 471, per=23.90%, avg=261.02, stdev=101.64, samples=45 iops : min= 3, max= 29, avg=15.62, stdev= 6.38, samples=45 lat (usec) : 250=8.59%, 500=1.82%, 750=0.13%, 1000=0.26% lat (msec) : 2=6.90%, 4=4.56%, 10=7.29%, 20=12.50%, 50=38.67% lat (msec) : 100=17.06%, 250=2.21% cpu : usr=0.11%, sys=8.05%, ctx=1526, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147130: Thu Oct 23 13:45:03 2025 read: IOPS=16, BW=261KiB/s (268kB/s)(6032KiB/23074msec) clat (usec): min=105, max=169986, avg=28470.72, stdev=26239.36 lat (usec): min=105, max=169986, avg=28471.84, stdev=26239.37 clat percentiles (usec): | 1.00th=[ 116], 5.00th=[ 141], 10.00th=[ 155], 20.00th=[ 196], | 30.00th=[ 9372], 40.00th=[ 19006], 50.00th=[ 25822], 60.00th=[ 32637], | 70.00th=[ 41157], 80.00th=[ 50594], 90.00th=[ 58459], 95.00th=[ 69731], | 99.00th=[115868], 99.50th=[141558], 99.90th=[170918], 99.95th=[170918], | 99.99th=[170918] bw ( KiB/s): min= 63, max= 537, per=26.03%, avg=270.16, stdev=112.01, samples=43 iops : min= 3, max= 33, avg=16.21, stdev= 7.07, samples=43 write: IOPS=16, BW=271KiB/s (278kB/s)(6256KiB/23074msec); 0 zone resets clat (usec): min=1280, max=246895, avg=31021.43, stdev=39339.29 lat (usec): min=1281, max=246898, avg=31023.65, stdev=39339.39 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1532], 10.00th=[ 1647], 20.00th=[ 2900], | 30.00th=[ 5080], 40.00th=[ 9765], 50.00th=[ 17171], 60.00th=[ 27919], | 70.00th=[ 38011], 80.00th=[ 50070], 90.00th=[ 76022], 95.00th=[104334], | 99.00th=[212861], 99.50th=[246416], 99.90th=[246416], 99.95th=[246416], | 99.99th=[246416] bw ( KiB/s): min= 31, max= 606, per=24.74%, avg=270.13, stdev=133.09, samples=45 iops : min= 1, max= 37, avg=16.22, stdev= 8.38, samples=45 lat (usec) : 250=11.46%, 500=1.95%, 750=0.26%, 1000=0.13% lat (msec) : 2=8.46%, 4=5.21%, 10=7.81%, 20=11.59%, 50=32.68% lat (msec) : 100=16.80%, 250=3.65% cpu : usr=0.11%, sys=7.61%, ctx=1361, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=1038KiB/s (1063kB/s), 257KiB/s-283KiB/s (263kB/s-290kB/s), io=23.4MiB (24.5MB), run=20891-23074msec WRITE: bw=1092KiB/s (1118kB/s), 263KiB/s-305KiB/s (269kB/s-312kB/s), io=24.6MiB (25.8MB), run=20891-23074msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147123: Thu Oct 23 13:45:33 2025 read: IOPS=7, BW=113KiB/s (116kB/s)(5920KiB/52235msec) clat (msec): min=5, max=289, avg=26.71, stdev=32.04 lat (msec): min=5, max=289, avg=26.71, stdev=32.04 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 11], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 18], | 70.00th=[ 24], 80.00th=[ 35], 90.00th=[ 53], 95.00th=[ 87], | 99.00th=[ 161], 99.50th=[ 222], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 31, max= 542, per=26.46%, avg=120.11, stdev=85.38, samples=97 iops : min= 1, max= 33, avg= 6.78, stdev= 5.36, samples=97 write: IOPS=7, BW=122KiB/s (125kB/s)(6368KiB/52235msec); 0 zone resets clat (msec): min=36, max=370, avg=106.10, stdev=52.36 lat (msec): min=36, max=370, avg=106.10, stdev=52.36 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 52], 10.00th=[ 60], 20.00th=[ 67], | 30.00th=[ 75], 40.00th=[ 82], 50.00th=[ 90], 60.00th=[ 100], | 70.00th=[ 116], 80.00th=[ 138], 90.00th=[ 178], 95.00th=[ 207], | 99.00th=[ 313], 99.50th=[ 321], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 29, max= 255, per=25.44%, avg=121.62, stdev=56.41, samples=103 iops : min= 1, max= 15, avg= 6.85, stdev= 3.64, samples=103 lat (msec) : 10=7.29%, 20=23.96%, 50=13.28%, 100=33.07%, 250=20.83% lat (msec) : 500=1.56% cpu : usr=0.03%, sys=1.76%, ctx=1423, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147124: Thu Oct 23 13:45:33 2025 read: IOPS=6, BW=109KiB/s (112kB/s)(5744KiB/52665msec) clat (msec): min=5, max=273, avg=27.37, stdev=34.47 lat (msec): min=5, max=273, avg=27.37, stdev=34.47 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 11], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 24], 80.00th=[ 35], 90.00th=[ 57], 95.00th=[ 83], | 99.00th=[ 194], 99.50th=[ 251], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 29, max= 383, per=26.10%, avg=118.51, stdev=80.94, samples=95 iops : min= 1, max= 23, avg= 6.66, stdev= 5.12, samples=95 write: IOPS=7, BW=124KiB/s (127kB/s)(6544KiB/52665msec); 0 zone resets clat (msec): min=33, max=422, avg=104.59, stdev=55.75 lat (msec): min=33, max=422, avg=104.60, stdev=55.75 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 51], 10.00th=[ 57], 20.00th=[ 66], | 30.00th=[ 73], 40.00th=[ 80], 50.00th=[ 87], 60.00th=[ 95], | 70.00th=[ 109], 80.00th=[ 133], 90.00th=[ 190], 95.00th=[ 224], | 99.00th=[ 279], 99.50th=[ 317], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 31, max= 254, per=26.40%, avg=126.21, stdev=56.91, samples=102 iops : min= 1, max= 15, avg= 7.15, stdev= 3.64, samples=102 lat (msec) : 10=8.33%, 20=21.61%, 50=13.54%, 100=36.33%, 250=18.23% lat (msec) : 500=1.95% cpu : usr=0.06%, sys=1.71%, ctx=1410, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147125: Thu Oct 23 13:45:33 2025 read: IOPS=7, BW=122KiB/s (125kB/s)(6256KiB/51130msec) clat (msec): min=5, max=148, avg=24.29, stdev=23.93 lat (msec): min=5, max=148, avg=24.29, stdev=23.93 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 11], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 18], | 70.00th=[ 23], 80.00th=[ 33], 90.00th=[ 51], 95.00th=[ 70], | 99.00th=[ 142], 99.50th=[ 148], 99.90th=[ 148], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 31, max= 509, per=28.76%, avg=130.58, stdev=95.74, samples=95 iops : min= 1, max= 31, avg= 7.43, stdev= 6.04, samples=95 write: IOPS=7, BW=118KiB/s (121kB/s)(6032KiB/51130msec); 0 zone resets clat (msec): min=38, max=405, avg=109.96, stdev=58.62 lat (msec): min=38, max=405, avg=109.96, stdev=58.62 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 52], 10.00th=[ 58], 20.00th=[ 69], | 30.00th=[ 78], 40.00th=[ 83], 50.00th=[ 91], 60.00th=[ 103], | 70.00th=[ 114], 80.00th=[ 142], 90.00th=[ 192], 95.00th=[ 251], | 99.00th=[ 305], 99.50th=[ 351], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 31, max= 254, per=24.62%, avg=117.68, stdev=53.78, samples=101 iops : min= 1, max= 15, avg= 6.61, stdev= 3.49, samples=101 lat (msec) : 10=8.85%, 20=23.96%, 50=14.84%, 100=30.86%, 250=19.01% lat (msec) : 500=2.47% cpu : usr=0.05%, sys=1.77%, ctx=1477, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147126: Thu Oct 23 13:45:33 2025 read: IOPS=7, BW=117KiB/s (119kB/s)(6032KiB/51690msec) clat (msec): min=6, max=240, avg=26.32, stdev=31.67 lat (msec): min=6, max=240, avg=26.32, stdev=31.67 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 11], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 18], | 70.00th=[ 23], 80.00th=[ 30], 90.00th=[ 59], 95.00th=[ 88], | 99.00th=[ 190], 99.50th=[ 226], 99.90th=[ 241], 99.95th=[ 241], | 99.99th=[ 241] bw ( KiB/s): min= 31, max= 415, per=27.86%, avg=126.51, stdev=80.47, samples=93 iops : min= 1, max= 25, avg= 7.18, stdev= 5.09, samples=93 write: IOPS=7, BW=121KiB/s (124kB/s)(6256KiB/51690msec); 0 zone resets clat (msec): min=31, max=318, avg=106.26, stdev=53.40 lat (msec): min=31, max=318, avg=106.27, stdev=53.40 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 53], 10.00th=[ 57], 20.00th=[ 67], | 30.00th=[ 74], 40.00th=[ 81], 50.00th=[ 90], 60.00th=[ 99], | 70.00th=[ 114], 80.00th=[ 140], 90.00th=[ 192], 95.00th=[ 222], | 99.00th=[ 284], 99.50th=[ 309], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 31, max= 254, per=25.54%, avg=122.09, stdev=56.94, samples=101 iops : min= 1, max= 15, avg= 6.89, stdev= 3.67, samples=101 lat (msec) : 10=6.90%, 20=25.13%, 50=13.41%, 100=32.81%, 250=20.70% lat (msec) : 500=1.04% cpu : usr=0.06%, sys=1.73%, ctx=1364, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=455KiB/s (466kB/s), 109KiB/s-122KiB/s (112kB/s-125kB/s), io=23.4MiB (24.5MB), run=51130-52665msec WRITE: bw=478KiB/s (490kB/s), 118KiB/s-124KiB/s (121kB/s-127kB/s), io=24.6MiB (25.8MB), run=51130-52665msec mix direct rw 1048576 by fio with 4 jobs... mix buffer rw 1048576 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=147143: Thu Oct 23 13:45:45 2025 read: IOPS=2, BW=2436KiB/s (2495kB/s)(7168KiB/2942msec) clat (msec): min=50, max=383, avg=182.80, stdev=136.51 lat (msec): min=50, max=383, avg=182.80, stdev=136.51 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 52], 10.00th=[ 52], 20.00th=[ 57], | 30.00th=[ 77], 40.00th=[ 77], 50.00th=[ 131], 60.00th=[ 275], | 70.00th=[ 275], 80.00th=[ 309], 90.00th=[ 384], 95.00th=[ 384], | 99.00th=[ 384], 99.50th=[ 384], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 2039, max= 5919, per=73.63%, avg=3991.00, stdev=1940.11, samples=3 iops : min= 1, max= 5, avg= 3.00, stdev= 2.00, samples=3 write: IOPS=1, BW=1740KiB/s (1782kB/s)(5120KiB/2942msec); 0 zone resets clat (msec): min=181, max=501, avg=326.66, stdev=156.49 lat (msec): min=181, max=501, avg=326.73, stdev=156.50 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 182], | 30.00th=[ 209], 40.00th=[ 209], 50.00th=[ 251], 60.00th=[ 251], | 70.00th=[ 489], 80.00th=[ 489], 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= 1973, max= 2039, per=26.37%, avg=2001.00, stdev=33.35, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (msec) : 100=25.00%, 250=25.00%, 500=41.67%, 750=8.33% cpu : usr=0.03%, sys=6.83%, ctx=59, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147144: Thu Oct 23 13:45:45 2025 read: IOPS=0, BW=542KiB/s (555kB/s)(2048KiB/3778msec) clat (msec): min=80, max=112, avg=96.56, stdev=22.06 lat (msec): min=80, max=112, avg=96.56, stdev=22.05 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 82], 10.00th=[ 82], 20.00th=[ 82], | 30.00th=[ 82], 40.00th=[ 82], 50.00th=[ 82], 60.00th=[ 112], | 70.00th=[ 112], 80.00th=[ 112], 90.00th=[ 112], 95.00th=[ 112], | 99.00th=[ 112], 99.50th=[ 112], 99.90th=[ 112], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 1378, max= 2015, per=31.30%, avg=1696.50, stdev=450.43, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2710KiB/s (2775kB/s)(10.0MiB/3778msec); 0 zone resets clat (msec): min=182, max=785, avg=355.87, stdev=210.74 lat (msec): min=182, max=785, avg=355.94, stdev=210.74 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 188], | 30.00th=[ 188], 40.00th=[ 213], 50.00th=[ 259], 60.00th=[ 288], | 70.00th=[ 317], 80.00th=[ 567], 90.00th=[ 575], 95.00th=[ 785], | 99.00th=[ 785], 99.50th=[ 785], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 1378, max= 3878, per=28.82%, avg=2187.17, stdev=864.47, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (msec) : 100=8.33%, 250=41.67%, 500=25.00%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=7.68%, ctx=105, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147145: Thu Oct 23 13:45:45 2025 read: IOPS=1, BW=1631KiB/s (1670kB/s)(6144KiB/3768msec) clat (msec): min=73, max=332, avg=203.62, stdev=117.95 lat (msec): min=73, max=332, avg=203.62, stdev=117.95 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 73], 10.00th=[ 73], 20.00th=[ 110], | 30.00th=[ 110], 40.00th=[ 111], 50.00th=[ 111], 60.00th=[ 279], | 70.00th=[ 317], 80.00th=[ 317], 90.00th=[ 334], 95.00th=[ 334], | 99.00th=[ 334], 99.50th=[ 334], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 2015, max= 3650, per=47.40%, avg=2569.33, stdev=935.99, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1631KiB/s (1670kB/s)(6144KiB/3768msec); 0 zone resets clat (msec): min=137, max=847, avg=413.89, stdev=318.00 lat (msec): min=137, max=847, avg=413.96, stdev=317.99 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 180], | 30.00th=[ 180], 40.00th=[ 243], 50.00th=[ 243], 60.00th=[ 288], | 70.00th=[ 793], 80.00th=[ 793], 90.00th=[ 852], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 1984, max= 2763, per=29.82%, avg=2263.33, stdev=433.73, samples=3 iops : min= 1, max= 2, avg= 1.33, stdev= 0.58, samples=3 lat (msec) : 100=8.33%, 250=41.67%, 500=33.33%, 1000=16.67% cpu : usr=0.00%, sys=6.11%, ctx=79, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147146: Thu Oct 23 13:45:45 2025 read: IOPS=1, BW=1717KiB/s (1758kB/s)(5120KiB/2982msec) clat (msec): min=76, max=360, avg=194.65, stdev=107.21 lat (msec): min=76, max=360, avg=194.65, stdev=107.21 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 77], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 167], 60.00th=[ 167], | 70.00th=[ 228], 80.00th=[ 228], 90.00th=[ 359], 95.00th=[ 359], | 99.00th=[ 359], 99.50th=[ 359], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 1973, max= 6059, per=74.10%, avg=4016.00, stdev=2889.24, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2404KiB/s (2461kB/s)(7168KiB/2982msec); 0 zone resets clat (msec): min=175, max=395, avg=272.75, stdev=81.00 lat (msec): min=175, max=396, avg=272.88, stdev=80.95 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 211], | 30.00th=[ 211], 40.00th=[ 211], 50.00th=[ 257], 60.00th=[ 317], | 70.00th=[ 317], 80.00th=[ 342], 90.00th=[ 397], 95.00th=[ 397], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 1921, max= 4015, per=32.77%, avg=2487.00, stdev=1019.81, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 100=8.33%, 250=50.00%, 500=41.67% cpu : usr=0.00%, sys=6.44%, ctx=80, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5421KiB/s (5551kB/s), 542KiB/s-2436KiB/s (555kB/s-2495kB/s), io=20.0MiB (20.0MB), run=2942-3778msec WRITE: bw=7589KiB/s (7771kB/s), 1631KiB/s-2710KiB/s (1670kB/s-2775kB/s), io=28.0MiB (29.4MB), run=2942-3778msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147148: Thu Oct 23 13:45:45 2025 read: IOPS=2, BW=2635KiB/s (2699kB/s)(7168KiB/2720msec) clat (usec): min=744, max=290710, avg=173431.54, stdev=92554.42 lat (usec): min=745, max=290711, avg=173432.79, stdev=92554.49 clat percentiles (usec): | 1.00th=[ 742], 5.00th=[ 742], 10.00th=[ 742], 20.00th=[124257], | 30.00th=[154141], 40.00th=[154141], 50.00th=[210764], 60.00th=[212861], | 70.00th=[212861], 80.00th=[219153], 90.00th=[291505], 95.00th=[291505], | 99.00th=[291505], 99.50th=[291505], 99.90th=[291505], 99.95th=[291505], | 99.99th=[291505] bw ( KiB/s): min= 3886, max= 4382, per=73.08%, avg=4134.00, stdev=350.72, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1882KiB/s (1928kB/s)(5120KiB/2720msec); 0 zone resets clat (msec): min=128, max=565, avg=294.66, stdev=174.60 lat (msec): min=128, max=566, avg=294.74, stdev=174.60 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 129], 10.00th=[ 129], 20.00th=[ 129], | 30.00th=[ 192], 40.00th=[ 192], 50.00th=[ 222], 60.00th=[ 222], | 70.00th=[ 363], 80.00th=[ 363], 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= 1460, max= 4063, per=31.45%, avg=2491.00, stdev=1383.26, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=66.67%, 500=16.67%, 750=8.33% cpu : usr=0.04%, sys=22.10%, ctx=296, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147150: Thu Oct 23 13:45:45 2025 read: IOPS=0, BW=566KiB/s (579kB/s)(2048KiB/3620msec) clat (usec): min=658, max=258434, avg=129546.32, stdev=182274.78 lat (usec): min=659, max=258434, avg=129547.33, stdev=182274.40 clat percentiles (usec): | 1.00th=[ 660], 5.00th=[ 660], 10.00th=[ 660], 20.00th=[ 660], | 30.00th=[ 660], 40.00th=[ 660], 50.00th=[ 660], 60.00th=[258999], | 70.00th=[258999], 80.00th=[258999], 90.00th=[258999], 95.00th=[258999], | 99.00th=[258999], 99.50th=[258999], 99.90th=[258999], 99.95th=[258999], | 99.99th=[258999] bw ( KiB/s): min= 1494, max= 2031, per=31.16%, avg=1762.50, stdev=379.72, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2829KiB/s (2897kB/s)(10.0MiB/3620msec); 0 zone resets clat (msec): min=133, max=794, avg=335.89, stdev=224.29 lat (msec): min=133, max=794, avg=335.96, stdev=224.28 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 133], 10.00th=[ 133], 20.00th=[ 144], | 30.00th=[ 176], 40.00th=[ 182], 50.00th=[ 197], 60.00th=[ 296], | 70.00th=[ 405], 80.00th=[ 409], 90.00th=[ 625], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 2031, max= 4015, per=43.66%, avg=3458.00, stdev=953.09, samples=4 iops : min= 1, max= 3, avg= 2.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 250=41.67%, 500=33.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=19.15%, ctx=102, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147151: Thu Oct 23 13:45:45 2025 read: IOPS=1, BW=2045KiB/s (2094kB/s)(6144KiB/3004msec) clat (usec): min=523, max=865, avg=693.32, stdev=139.01 lat (usec): min=524, max=866, avg=694.15, stdev=139.00 clat percentiles (usec): | 1.00th=[ 523], 5.00th=[ 523], 10.00th=[ 523], 20.00th=[ 578], | 30.00th=[ 578], 40.00th=[ 644], 50.00th=[ 644], 60.00th=[ 717], | 70.00th=[ 840], 80.00th=[ 840], 90.00th=[ 865], 95.00th=[ 865], | 99.00th=[ 865], 99.50th=[ 865], 99.90th=[ 865], 99.95th=[ 865], | 99.99th=[ 865] bw ( KiB/s): min= 2043, max= 4063, per=58.96%, avg=3335.33, stdev=1122.16, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=2045KiB/s (2094kB/s)(6144KiB/3004msec); 0 zone resets clat (msec): min=153, max=1015, avg=499.70, stdev=316.18 lat (msec): min=153, max=1015, avg=499.75, stdev=316.17 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 243], | 30.00th=[ 243], 40.00th=[ 422], 50.00th=[ 422], 60.00th=[ 468], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 1950, max= 2985, per=28.44%, avg=2252.25, stdev=490.24, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (usec) : 750=33.33%, 1000=16.67% lat (msec) : 250=16.67%, 500=16.67%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=14.12%, ctx=111, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147152: Thu Oct 23 13:45:45 2025 read: IOPS=1, BW=1781KiB/s (1824kB/s)(5120KiB/2874msec) clat (usec): min=559, max=350228, avg=70589.35, stdev=156323.20 lat (usec): min=560, max=350230, avg=70590.39, stdev=156323.71 clat percentiles (usec): | 1.00th=[ 562], 5.00th=[ 562], 10.00th=[ 562], 20.00th=[ 562], | 30.00th=[ 611], 40.00th=[ 611], 50.00th=[ 676], 60.00th=[ 676], | 70.00th=[ 873], 80.00th=[ 873], 90.00th=[350225], 95.00th=[350225], | 99.00th=[350225], 99.50th=[350225], 99.90th=[350225], 99.95th=[350225], | 99.99th=[350225] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2494KiB/s (2554kB/s)(7168KiB/2874msec); 0 zone resets clat (msec): min=192, max=706, avg=359.86, stdev=173.53 lat (msec): min=192, max=706, avg=359.93, stdev=173.53 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 192], 10.00th=[ 192], 20.00th=[ 243], | 30.00th=[ 249], 40.00th=[ 249], 50.00th=[ 334], 60.00th=[ 368], | 70.00th=[ 368], 80.00th=[ 430], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 1486, max= 4087, per=36.04%, avg=2854.00, stdev=1331.13, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 lat (usec) : 750=25.00%, 1000=8.33% lat (msec) : 250=25.00%, 500=33.33%, 750=8.33% cpu : usr=0.03%, sys=19.07%, ctx=90, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5657KiB/s (5793kB/s), 566KiB/s-2635KiB/s (579kB/s-2699kB/s), io=20.0MiB (20.0MB), run=2720-3620msec WRITE: bw=7920KiB/s (8111kB/s), 1882KiB/s-2829KiB/s (1928kB/s-2897kB/s), io=28.0MiB (29.4MB), run=2720-3620msec mix direct rw 4194304 by fio with 4 jobs... mix buffer rw 4194304 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=147162: Thu Oct 23 13:46:00 2025 read: IOPS=0, BW=2192KiB/s (2244kB/s)(12.0MiB/5607msec) clat (msec): min=611, max=3668, avg=1797.73, stdev=1639.65 lat (msec): min=611, max=3668, avg=1797.73, stdev=1639.65 clat percentiles (msec): | 1.00th=[ 609], 5.00th=[ 609], 10.00th=[ 609], 20.00th=[ 609], | 30.00th=[ 609], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 3675], 80.00th=[ 3675], 90.00th=[ 3675], 95.00th=[ 3675], | 99.00th=[ 3675], 99.50th=[ 3675], 99.90th=[ 3675], 99.95th=[ 3675], | 99.99th=[ 3675] bw ( KiB/s): min= 8078, max= 8175, per=100.00%, avg=8126.50, stdev=68.59, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=6.42%, ctx=709, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147164: Thu Oct 23 13:46:00 2025 read: IOPS=0, BW=731KiB/s (748kB/s)(4096KiB/5606msec) clat (nsec): min=1081.5M, max=1081.5M, avg=1081528525.00, stdev= 0.00 lat (nsec): min=1081.5M, max=1081.5M, avg=1081531132.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1083], 5.00th=[ 1083], 10.00th=[ 1083], 20.00th=[ 1083], | 30.00th=[ 1083], 40.00th=[ 1083], 50.00th=[ 1083], 60.00th=[ 1083], | 70.00th=[ 1083], 80.00th=[ 1083], 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= 8078, max= 8078, per=100.00%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1461KiB/s (1496kB/s)(8192KiB/5606msec); 0 zone resets clat (msec): min=783, max=3615, avg=2199.29, stdev=2002.83 lat (msec): min=783, max=3615, avg=2199.59, stdev=2002.79 clat percentiles (msec): | 1.00th=[ 785], 5.00th=[ 785], 10.00th=[ 785], 20.00th=[ 785], | 30.00th=[ 785], 40.00th=[ 785], 50.00th=[ 785], 60.00th=[ 3608], | 70.00th=[ 3608], 80.00th=[ 3608], 90.00th=[ 3608], 95.00th=[ 3608], | 99.00th=[ 3608], 99.50th=[ 3608], 99.90th=[ 3608], 99.95th=[ 3608], | 99.99th=[ 3608] bw ( KiB/s): min= 7846, max= 7846, per=100.00%, avg=7846.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.12%, ctx=154, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=147165: Thu Oct 23 13:46:00 2025 write: IOPS=0, BW=2062KiB/s (2112kB/s)(12.0MiB/5958msec); 0 zone resets clat (msec): min=564, max=3419, avg=1962.90, stdev=1428.36 lat (msec): min=564, max=3419, avg=1963.12, stdev=1428.28 clat percentiles (msec): | 1.00th=[ 567], 5.00th=[ 567], 10.00th=[ 567], 20.00th=[ 567], | 30.00th=[ 567], 40.00th=[ 1905], 50.00th=[ 1905], 60.00th=[ 1905], | 70.00th=[ 3406], 80.00th=[ 3406], 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= 7846, max= 8159, per=100.00%, avg=8002.50, stdev=221.32, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.08%, ctx=54, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147167: Thu Oct 23 13:46:00 2025 write: IOPS=1, BW=4303KiB/s (4406kB/s)(12.0MiB/2856msec); 0 zone resets clat (msec): min=540, max=1491, avg=898.76, stdev=516.80 lat (msec): min=540, max=1491, avg=899.13, stdev=517.00 clat percentiles (msec): | 1.00th=[ 542], 5.00th=[ 542], 10.00th=[ 542], 20.00th=[ 542], | 30.00th=[ 542], 40.00th=[ 667], 50.00th=[ 667], 60.00th=[ 667], | 70.00th=[ 1485], 80.00th=[ 1485], 90.00th=[ 1485], 95.00th=[ 1485], | 99.00th=[ 1485], 99.50th=[ 1485], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 4952, max= 8078, per=100.00%, avg=6515.00, stdev=2210.42, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.04%, sys=3.78%, ctx=50, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2922KiB/s (2992kB/s), 731KiB/s-2192KiB/s (748kB/s-2244kB/s), io=16.0MiB (16.8MB), run=5606-5607msec WRITE: bw=5500KiB/s (5632kB/s), 1461KiB/s-4303KiB/s (1496kB/s-4406kB/s), io=32.0MiB (33.6MB), run=2856-5958msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147160: Thu Oct 23 13:46:00 2025 read: IOPS=1, BW=7543KiB/s (7724kB/s)(12.0MiB/1629msec) clat (msec): min=240, max=1009, avg=507.78, stdev=434.48 lat (msec): min=240, max=1009, avg=507.78, stdev=434.48 clat percentiles (msec): | 1.00th=[ 241], 5.00th=[ 241], 10.00th=[ 241], 20.00th=[ 241], | 30.00th=[ 241], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 1011], 80.00th=[ 1011], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 7074, max= 8175, per=100.00%, avg=7624.50, stdev=778.52, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 2000=33.33% cpu : usr=0.00%, sys=4.05%, ctx=30, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147161: Thu Oct 23 13:46:00 2025 read: IOPS=0, BW=682KiB/s (699kB/s)(4096KiB/6002msec) clat (nsec): min=2114.1M, max=2114.1M, avg=2114078663.00, stdev= 0.00 lat (nsec): min=2114.1M, max=2114.1M, avg=2114081331.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 2123], 5.00th=[ 2123], 10.00th=[ 2123], 20.00th=[ 2123], | 30.00th=[ 2123], 40.00th=[ 2123], 50.00th=[ 2123], 60.00th=[ 2123], | 70.00th=[ 2123], 80.00th=[ 2123], 90.00th=[ 2123], 95.00th=[ 2123], | 99.00th=[ 2123], 99.50th=[ 2123], 99.90th=[ 2123], 99.95th=[ 2123], | 99.99th=[ 2123] bw ( KiB/s): min= 7742, max= 7742, per=100.00%, avg=7742.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1365KiB/s (1398kB/s)(8192KiB/6002msec); 0 zone resets clat (msec): min=494, max=3149, avg=1821.81, stdev=1877.19 lat (msec): min=494, max=3149, avg=1822.10, stdev=1877.18 clat percentiles (msec): | 1.00th=[ 493], 5.00th=[ 493], 10.00th=[ 493], 20.00th=[ 493], | 30.00th=[ 493], 40.00th=[ 493], 50.00th=[ 493], 60.00th=[ 3138], | 70.00th=[ 3138], 80.00th=[ 3138], 90.00th=[ 3138], 95.00th=[ 3138], | 99.00th=[ 3138], 99.50th=[ 3138], 99.90th=[ 3138], 99.95th=[ 3138], | 99.99th=[ 3138] bw ( KiB/s): min= 7968, max= 7968, per=100.00%, avg=7968.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, >=2000=66.67% cpu : usr=0.05%, sys=2.27%, ctx=46, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147163: Thu Oct 23 13:46:00 2025 write: IOPS=0, BW=1925KiB/s (1972kB/s)(12.0MiB/6382msec); 0 zone resets clat (msec): min=262, max=4446, avg=2074.18, stdev=2147.34 lat (msec): min=262, max=4446, avg=2074.49, stdev=2147.30 clat percentiles (msec): | 1.00th=[ 264], 5.00th=[ 264], 10.00th=[ 264], 20.00th=[ 264], | 30.00th=[ 264], 40.00th=[ 1519], 50.00th=[ 1519], 60.00th=[ 1519], | 70.00th=[ 4463], 80.00th=[ 4463], 90.00th=[ 4463], 95.00th=[ 4463], | 99.00th=[ 4463], 99.50th=[ 4463], 99.90th=[ 4463], 99.95th=[ 4463], | 99.99th=[ 4463] bw ( KiB/s): min= 8143, max= 8175, per=100.00%, avg=8159.00, stdev=22.63, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=2.59%, ctx=66, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147166: Thu Oct 23 13:46:00 2025 write: IOPS=0, BW=2259KiB/s (2313kB/s)(12.0MiB/5439msec); 0 zone resets clat (msec): min=474, max=3461, avg=1724.28, stdev=1551.74 lat (msec): min=474, max=3462, avg=1725.01, stdev=1552.60 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 1234], 50.00th=[ 1234], 60.00th=[ 1234], | 70.00th=[ 3473], 80.00th=[ 3473], 90.00th=[ 3473], 95.00th=[ 3473], | 99.00th=[ 3473], 99.50th=[ 3473], 99.90th=[ 3473], 99.95th=[ 3473], | 99.99th=[ 3473] bw ( KiB/s): min= 7757, max= 8143, per=100.00%, avg=7950.00, stdev=272.94, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.04%, sys=3.84%, ctx=73, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2730KiB/s (2795kB/s), 682KiB/s-7543KiB/s (699kB/s-7724kB/s), io=16.0MiB (16.8MB), run=1629-6002msec WRITE: bw=5134KiB/s (5258kB/s), 1365KiB/s-2259KiB/s (1398kB/s-2313kB/s), io=32.0MiB (33.6MB), run=5439-6382msec