== sanity test 398b: DIO and buffer IO race ============== 23:25:36 (1763353536) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 2.84575 s, 17.7 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=183633: Sun Nov 16 23:26:32 2025 read: IOPS=31, BW=127KiB/s (130kB/s)(5992KiB/47121msec) clat (usec): min=141, max=701165, avg=16777.38, stdev=19717.09 lat (usec): min=142, max=701166, avg=16778.37, stdev=19717.09 clat percentiles (usec): | 1.00th=[ 322], 5.00th=[ 6718], 10.00th=[ 8094], 20.00th=[ 9765], | 30.00th=[ 11207], 40.00th=[ 12649], 50.00th=[ 14484], 60.00th=[ 16909], | 70.00th=[ 19268], 80.00th=[ 21890], 90.00th=[ 26870], 95.00th=[ 32113], | 99.00th=[ 47973], 99.50th=[ 52691], 99.90th=[ 79168], 99.95th=[700449], | 99.99th=[700449] bw ( KiB/s): min= 56, max= 183, per=25.18%, avg=128.17, stdev=24.42, samples=92 iops : min= 14, max= 45, avg=31.72, stdev= 6.05, samples=92 write: IOPS=33, BW=134KiB/s (137kB/s)(6296KiB/47121msec); 0 zone resets clat (usec): min=818, max=65016, avg=13825.31, stdev=11028.79 lat (usec): min=819, max=65017, avg=13826.28, stdev=11028.81 clat percentiles (usec): | 1.00th=[ 1090], 5.00th=[ 2114], 10.00th=[ 2606], 20.00th=[ 3359], | 30.00th=[ 5342], 40.00th=[ 9241], 50.00th=[11338], 60.00th=[13829], | 70.00th=[17433], 80.00th=[22676], 90.00th=[28967], 95.00th=[35914], | 99.00th=[45876], 99.50th=[55837], 99.90th=[61080], 99.95th=[65274], | 99.99th=[65274] bw ( KiB/s): min= 40, max= 224, per=25.20%, avg=134.09, stdev=32.87, samples=92 iops : min= 10, max= 56, avg=33.20, stdev= 8.23, samples=92 lat (usec) : 250=0.13%, 500=1.11%, 750=0.23%, 1000=0.36% lat (msec) : 2=1.89%, 4=10.90%, 10=17.94%, 20=42.02%, 50=24.67% lat (msec) : 100=0.72%, 750=0.03% cpu : usr=0.10%, sys=23.08%, ctx=8887, 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=183634: Sun Nov 16 23:26:32 2025 read: IOPS=31, BW=126KiB/s (129kB/s)(5940KiB/47173msec) clat (usec): min=138, max=68902, avg=16794.82, stdev=8668.29 lat (usec): min=139, max=68904, avg=16795.74, stdev=8668.47 clat percentiles (usec): | 1.00th=[ 355], 5.00th=[ 7242], 10.00th=[ 8586], 20.00th=[10159], | 30.00th=[11469], 40.00th=[13042], 50.00th=[15008], 60.00th=[17171], | 70.00th=[19530], 80.00th=[22414], 90.00th=[27132], 95.00th=[32900], | 99.00th=[46400], 99.50th=[54789], 99.90th=[64226], 99.95th=[68682], | 99.99th=[68682] bw ( KiB/s): min= 6, max= 184, per=24.65%, avg=125.48, stdev=30.70, samples=93 iops : min= 1, max= 46, avg=31.04, stdev= 7.72, samples=93 write: IOPS=33, BW=135KiB/s (138kB/s)(6348KiB/47173msec); 0 zone resets clat (usec): min=739, max=692279, avg=13862.49, stdev=20369.64 lat (usec): min=740, max=692281, avg=13863.49, stdev=20369.65 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1926], 10.00th=[ 2474], 20.00th=[ 3130], | 30.00th=[ 4424], 40.00th=[ 8586], 50.00th=[ 11338], 60.00th=[ 13698], | 70.00th=[ 17171], 80.00th=[ 22414], 90.00th=[ 28705], 95.00th=[ 34341], | 99.00th=[ 48497], 99.50th=[ 56886], 99.90th=[ 92799], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 72, max= 240, per=25.35%, avg=134.87, stdev=33.21, samples=92 iops : min= 18, max= 60, avg=33.39, stdev= 8.25, samples=92 lat (usec) : 250=0.10%, 500=0.75%, 750=0.20%, 1000=0.13% lat (msec) : 2=2.67%, 4=11.23%, 10=17.61%, 20=41.34%, 50=25.13% lat (msec) : 100=0.81%, 750=0.03% cpu : usr=0.14%, sys=22.99%, ctx=8906, 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=183635: Sun Nov 16 23:26:32 2025 read: IOPS=32, BW=128KiB/s (131kB/s)(6028KiB/46963msec) clat (usec): min=192, max=684975, avg=16961.26, stdev=19150.02 lat (usec): min=193, max=684976, avg=16962.18, stdev=19150.02 clat percentiles (usec): | 1.00th=[ 338], 5.00th=[ 6915], 10.00th=[ 8455], 20.00th=[ 10028], | 30.00th=[ 11338], 40.00th=[ 13042], 50.00th=[ 15401], 60.00th=[ 17433], | 70.00th=[ 19530], 80.00th=[ 22152], 90.00th=[ 26608], 95.00th=[ 31851], | 99.00th=[ 45876], 99.50th=[ 51119], 99.90th=[ 68682], 99.95th=[683672], | 99.99th=[683672] bw ( KiB/s): min= 6, max= 199, per=25.18%, avg=128.15, stdev=31.23, samples=93 iops : min= 1, max= 49, avg=31.71, stdev= 7.84, samples=93 write: IOPS=33, BW=133KiB/s (136kB/s)(6260KiB/46963msec); 0 zone resets clat (usec): min=876, max=106718, avg=13523.77, stdev=11679.40 lat (usec): min=876, max=106718, avg=13525.81, stdev=11679.10 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 2089], 10.00th=[ 2540], 20.00th=[ 3163], | 30.00th=[ 4293], 40.00th=[ 8094], 50.00th=[ 10945], 60.00th=[ 13566], | 70.00th=[ 16909], 80.00th=[ 21890], 90.00th=[ 29492], 95.00th=[ 35914], | 99.00th=[ 51119], 99.50th=[ 57410], 99.90th=[ 78119], 99.95th=[106431], | 99.99th=[106431] bw ( KiB/s): min= 20, max= 224, per=24.97%, avg=132.86, stdev=37.85, samples=93 iops : min= 5, max= 56, avg=32.89, stdev= 9.48, samples=93 lat (usec) : 250=0.07%, 500=1.17%, 750=0.20%, 1000=0.23% lat (msec) : 2=2.12%, 4=12.21%, 10=17.64%, 20=40.40%, 50=25.16% lat (msec) : 100=0.75%, 250=0.03%, 750=0.03% cpu : usr=0.15%, sys=22.90%, ctx=8822, 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=183636: Sun Nov 16 23:26:32 2025 read: IOPS=32, BW=128KiB/s (131kB/s)(6052KiB/47173msec) clat (usec): min=128, max=75457, avg=16831.39, stdev=9078.80 lat (usec): min=129, max=75458, avg=16832.24, stdev=9078.82 clat percentiles (usec): | 1.00th=[ 318], 5.00th=[ 6718], 10.00th=[ 8291], 20.00th=[ 9765], | 30.00th=[11469], 40.00th=[13042], 50.00th=[15401], 60.00th=[17433], | 70.00th=[19530], 80.00th=[22676], 90.00th=[27919], 95.00th=[32900], | 99.00th=[48497], 99.50th=[54789], 99.90th=[72877], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 47, max= 175, per=25.40%, avg=129.30, stdev=25.65, samples=92 iops : min= 11, max= 43, avg=32.00, stdev= 6.42, samples=92 write: IOPS=33, BW=132KiB/s (135kB/s)(6236KiB/47173msec); 0 zone resets clat (usec): min=725, max=688245, avg=13777.44, stdev=20109.77 lat (usec): min=725, max=688246, avg=13778.52, stdev=20109.79 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 2114], 10.00th=[ 2606], 20.00th=[ 3294], | 30.00th=[ 5080], 40.00th=[ 9110], 50.00th=[ 11207], 60.00th=[ 13566], | 70.00th=[ 17171], 80.00th=[ 21627], 90.00th=[ 27657], 95.00th=[ 33817], | 99.00th=[ 47449], 99.50th=[ 56361], 99.90th=[ 77071], 99.95th=[692061], | 99.99th=[692061] bw ( KiB/s): min= 6, max= 240, per=24.80%, avg=131.94, stdev=36.86, samples=93 iops : min= 1, max= 60, avg=32.66, stdev= 9.22, samples=93 lat (usec) : 250=0.29%, 500=1.17%, 750=0.20%, 1000=0.29% lat (msec) : 2=1.82%, 4=10.38%, 10=18.10%, 20=41.47%, 50=25.52% lat (msec) : 100=0.72%, 750=0.03% cpu : usr=0.13%, sys=23.15%, ctx=8920, 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=509KiB/s (521kB/s), 126KiB/s-128KiB/s (129kB/s-131kB/s), io=23.4MiB (24.6MB), run=46963-47173msec WRITE: bw=533KiB/s (546kB/s), 132KiB/s-135KiB/s (135kB/s-138kB/s), io=24.6MiB (25.7MB), run=46963-47173msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183638: Sun Nov 16 23:26:44 2025 read: IOPS=25, BW=103KiB/s (105kB/s)(5992KiB/58281msec) clat (msec): min=3, max=699, avg=15.80, stdev=21.31 lat (msec): min=3, max=699, avg=15.80, stdev=21.31 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 10], 50.00th=[ 12], 60.00th=[ 14], | 70.00th=[ 17], 80.00th=[ 23], 90.00th=[ 34], 95.00th=[ 42], | 99.00th=[ 59], 99.50th=[ 66], 99.90th=[ 87], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 40, max= 288, per=25.37%, avg=103.77, stdev=57.61, samples=115 iops : min= 10, max= 72, avg=25.62, stdev=14.43, samples=115 write: IOPS=27, BW=108KiB/s (111kB/s)(6296KiB/58281msec); 0 zone resets clat (usec): min=5424, max=94448, avg=21898.66, stdev=13573.67 lat (usec): min=5426, max=94448, avg=21899.71, stdev=13573.64 clat percentiles (usec): | 1.00th=[ 7046], 5.00th=[ 8586], 10.00th=[ 9503], 20.00th=[10945], | 30.00th=[12518], 40.00th=[14484], 50.00th=[17171], 60.00th=[21103], | 70.00th=[26084], 80.00th=[31851], 90.00th=[40633], 95.00th=[49546], | 99.00th=[66323], 99.50th=[74974], 99.90th=[90702], 99.95th=[94897], | 99.99th=[94897] bw ( KiB/s): min= 39, max= 264, per=25.37%, avg=108.85, stdev=56.12, samples=115 iops : min= 9, max= 66, avg=26.89, stdev=14.09, samples=115 lat (msec) : 4=0.36%, 10=28.32%, 20=38.12%, 50=29.92%, 100=3.26% lat (msec) : 750=0.03% cpu : usr=0.12%, sys=9.58%, ctx=5439, 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=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=183639: Sun Nov 16 23:26:44 2025 read: IOPS=25, BW=102KiB/s (104kB/s)(5940KiB/58375msec) clat (msec): min=3, max=691, avg=15.87, stdev=21.65 lat (msec): min=3, max=691, avg=15.87, stdev=21.65 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 10], 50.00th=[ 11], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 22], 90.00th=[ 34], 95.00th=[ 43], | 99.00th=[ 65], 99.50th=[ 81], 99.90th=[ 93], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 15, max= 312, per=25.10%, avg=102.66, stdev=59.25, samples=115 iops : min= 3, max= 78, avg=25.34, stdev=14.86, samples=115 write: IOPS=27, BW=109KiB/s (111kB/s)(6348KiB/58375msec); 0 zone resets clat (msec): min=4, max=113, avg=21.84, stdev=13.78 lat (msec): min=4, max=113, avg=21.84, stdev=13.78 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 22], | 70.00th=[ 26], 80.00th=[ 32], 90.00th=[ 41], 95.00th=[ 48], | 99.00th=[ 66], 99.50th=[ 82], 99.90th=[ 108], 99.95th=[ 114], | 99.99th=[ 114] bw ( KiB/s): min= 39, max= 264, per=25.49%, avg=109.34, stdev=55.98, samples=115 iops : min= 9, max= 66, avg=27.01, stdev=14.05, samples=115 lat (msec) : 4=0.23%, 10=28.97%, 20=37.92%, 50=29.43%, 100=3.32% lat (msec) : 250=0.10%, 750=0.03% cpu : usr=0.11%, sys=9.56%, ctx=5359, 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=183640: Sun Nov 16 23:26:44 2025 read: IOPS=25, BW=103KiB/s (105kB/s)(6028KiB/58590msec) clat (usec): min=2951, max=92073, avg=15837.89, stdev=13051.67 lat (usec): min=2951, max=92073, avg=15838.78, stdev=13051.60 clat percentiles (usec): | 1.00th=[ 4146], 5.00th=[ 4948], 10.00th=[ 5473], 20.00th=[ 6325], | 30.00th=[ 7504], 40.00th=[ 8979], 50.00th=[10814], 60.00th=[13042], | 70.00th=[17171], 80.00th=[23987], 90.00th=[34341], 95.00th=[43779], | 99.00th=[63177], 99.50th=[71828], 99.90th=[83362], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 31, max= 319, per=25.24%, avg=103.22, stdev=59.44, samples=115 iops : min= 7, max= 79, avg=25.48, stdev=14.89, samples=115 write: IOPS=26, BW=107KiB/s (109kB/s)(6260KiB/58590msec); 0 zone resets clat (msec): min=5, max=691, avg=22.09, stdev=21.82 lat (msec): min=5, max=691, avg=22.09, stdev=21.82 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 11], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 21], | 70.00th=[ 26], 80.00th=[ 32], 90.00th=[ 41], 95.00th=[ 48], | 99.00th=[ 67], 99.50th=[ 86], 99.90th=[ 108], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 40, max= 280, per=24.92%, avg=106.90, stdev=58.61, samples=115 iops : min= 10, max= 70, avg=26.40, stdev=14.71, samples=115 lat (msec) : 4=0.36%, 10=29.30%, 20=36.46%, 50=30.44%, 100=3.35% lat (msec) : 250=0.07%, 750=0.03% cpu : usr=0.12%, sys=9.41%, ctx=5284, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183641: Sun Nov 16 23:26:44 2025 read: IOPS=25, BW=104KiB/s (106kB/s)(6052KiB/58254msec) clat (usec): min=3439, max=83302, avg=15369.02, stdev=12408.74 lat (usec): min=3439, max=83303, avg=15369.98, stdev=12408.56 clat percentiles (usec): | 1.00th=[ 4146], 5.00th=[ 4883], 10.00th=[ 5604], 20.00th=[ 6652], | 30.00th=[ 7767], 40.00th=[ 9110], 50.00th=[10552], 60.00th=[12387], | 70.00th=[16450], 80.00th=[22152], 90.00th=[32900], 95.00th=[41681], | 99.00th=[63177], 99.50th=[65799], 99.90th=[80217], 99.95th=[83362], | 99.99th=[83362] bw ( KiB/s): min= 24, max= 302, per=25.63%, avg=104.81, stdev=58.91, samples=115 iops : min= 6, max= 75, avg=25.88, stdev=14.74, samples=115 write: IOPS=26, BW=107KiB/s (110kB/s)(6236KiB/58254msec); 0 zone resets clat (msec): min=5, max=676, avg=22.35, stdev=21.55 lat (msec): min=5, max=676, avg=22.35, stdev=21.55 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 11], | 30.00th=[ 13], 40.00th=[ 15], 50.00th=[ 17], 60.00th=[ 22], | 70.00th=[ 26], 80.00th=[ 33], 90.00th=[ 43], 95.00th=[ 49], | 99.00th=[ 66], 99.50th=[ 84], 99.90th=[ 113], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 47, max= 264, per=25.16%, avg=107.95, stdev=56.04, samples=115 iops : min= 11, max= 66, avg=26.66, stdev=14.07, samples=115 lat (msec) : 4=0.29%, 10=29.69%, 20=37.21%, 50=29.49%, 100=3.19% lat (msec) : 250=0.10%, 750=0.03% cpu : usr=0.13%, sys=9.65%, ctx=5437, 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=410KiB/s (420kB/s), 102KiB/s-104KiB/s (104kB/s-106kB/s), io=23.4MiB (24.6MB), run=58254-58590msec WRITE: bw=429KiB/s (439kB/s), 107KiB/s-109KiB/s (109kB/s-111kB/s), io=24.6MiB (25.7MB), run=58254-58590msec 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=183665: Sun Nov 16 23:27:04 2025 read: IOPS=26, BW=431KiB/s (441kB/s)(5920KiB/13738msec) clat (usec): min=231, max=73557, avg=18821.28, stdev=9904.54 lat (usec): min=231, max=73558, avg=18822.14, stdev=9904.66 clat percentiles (usec): | 1.00th=[ 306], 5.00th=[ 1037], 10.00th=[10028], 20.00th=[12125], | 30.00th=[13435], 40.00th=[15401], 50.00th=[17171], 60.00th=[19006], | 70.00th=[21627], 80.00th=[24773], 90.00th=[30278], 95.00th=[36963], | 99.00th=[55313], 99.50th=[59507], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 286, max= 604, per=25.27%, avg=431.07, stdev=84.03, samples=27 iops : min= 17, max= 37, avg=26.33, stdev= 5.41, samples=27 write: IOPS=28, BW=464KiB/s (475kB/s)(6368KiB/13738msec); 0 zone resets clat (usec): min=1474, max=71395, avg=16803.27, stdev=12926.06 lat (usec): min=1476, max=71397, avg=16804.92, stdev=12926.13 clat percentiles (usec): | 1.00th=[ 1680], 5.00th=[ 2737], 10.00th=[ 3884], 20.00th=[ 5211], | 30.00th=[ 7832], 40.00th=[11338], 50.00th=[13304], 60.00th=[16450], | 70.00th=[21627], 80.00th=[26870], 90.00th=[34866], 95.00th=[40109], | 99.00th=[65274], 99.50th=[68682], 99.90th=[71828], 99.95th=[71828], | 99.99th=[71828] bw ( KiB/s): min= 254, max= 640, per=25.86%, avg=464.22, stdev=94.05, samples=27 iops : min= 15, max= 40, avg=28.41, stdev= 5.96, samples=27 lat (usec) : 250=0.26%, 500=1.56%, 750=0.52% lat (msec) : 2=1.17%, 4=4.69%, 10=15.23%, 20=42.06%, 50=32.68% lat (msec) : 100=1.82% cpu : usr=0.15%, sys=23.72%, ctx=2677, 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=183666: Sun Nov 16 23:27:04 2025 read: IOPS=25, BW=412KiB/s (422kB/s)(5744KiB/13937msec) clat (usec): min=131, max=67624, avg=19538.81, stdev=9785.08 lat (usec): min=132, max=67625, avg=19539.66, stdev=9785.11 clat percentiles (usec): | 1.00th=[ 297], 5.00th=[ 7701], 10.00th=[ 9241], 20.00th=[12387], | 30.00th=[13829], 40.00th=[15533], 50.00th=[17957], 60.00th=[20579], | 70.00th=[23200], 80.00th=[26346], 90.00th=[32113], 95.00th=[35914], | 99.00th=[49546], 99.50th=[57934], 99.90th=[67634], 99.95th=[67634], | 99.99th=[67634] bw ( KiB/s): min= 159, max= 544, per=24.27%, avg=414.04, stdev=90.60, samples=27 iops : min= 9, max= 34, avg=25.26, stdev= 5.84, samples=27 write: IOPS=29, BW=470KiB/s (481kB/s)(6544KiB/13937msec); 0 zone resets clat (usec): min=1161, max=57689, avg=16758.95, stdev=12232.39 lat (usec): min=1162, max=57691, avg=16760.62, stdev=12232.42 clat percentiles (usec): | 1.00th=[ 1696], 5.00th=[ 3097], 10.00th=[ 3884], 20.00th=[ 5211], | 30.00th=[ 7177], 40.00th=[10814], 50.00th=[13435], 60.00th=[16450], | 70.00th=[22676], 80.00th=[28443], 90.00th=[34866], 95.00th=[39060], | 99.00th=[48497], 99.50th=[54789], 99.90th=[57934], 99.95th=[57934], | 99.99th=[57934] bw ( KiB/s): min= 223, max= 670, per=25.92%, avg=465.33, stdev=96.22, samples=27 iops : min= 13, max= 41, avg=28.48, stdev= 6.08, samples=27 lat (usec) : 250=0.26%, 500=1.43%, 750=0.13%, 1000=0.13% lat (msec) : 2=1.17%, 4=4.82%, 10=16.67%, 20=37.24%, 50=37.24% lat (msec) : 100=0.91% cpu : usr=0.17%, sys=23.89%, ctx=2711, 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=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=183667: Sun Nov 16 23:27:04 2025 read: IOPS=27, BW=446KiB/s (457kB/s)(6256KiB/14032msec) clat (usec): min=184, max=73182, avg=19509.90, stdev=10467.18 lat (usec): min=185, max=73182, avg=19511.00, stdev=10467.32 clat percentiles (usec): | 1.00th=[ 265], 5.00th=[ 529], 10.00th=[ 9634], 20.00th=[11994], | 30.00th=[13829], 40.00th=[16188], 50.00th=[18482], 60.00th=[20579], | 70.00th=[23200], 80.00th=[26870], 90.00th=[31851], 95.00th=[37487], | 99.00th=[53216], 99.50th=[60031], 99.90th=[72877], 99.95th=[72877], | 99.99th=[72877] bw ( KiB/s): min= 255, max= 637, per=26.03%, avg=444.15, stdev=90.39, samples=27 iops : min= 15, max= 39, avg=27.15, stdev= 5.72, samples=27 write: IOPS=26, BW=430KiB/s (440kB/s)(6032KiB/14032msec); 0 zone resets clat (usec): min=1506, max=63141, avg=16865.00, stdev=12176.30 lat (usec): min=1508, max=63143, avg=16867.06, stdev=12176.19 clat percentiles (usec): | 1.00th=[ 1860], 5.00th=[ 3523], 10.00th=[ 4113], 20.00th=[ 5211], | 30.00th=[ 7767], 40.00th=[11207], 50.00th=[13960], 60.00th=[17433], | 70.00th=[21365], 80.00th=[26870], 90.00th=[34866], 95.00th=[38536], | 99.00th=[52167], 99.50th=[62653], 99.90th=[63177], 99.95th=[63177], | 99.99th=[63177] bw ( KiB/s): min= 160, max= 734, per=23.10%, avg=414.59, stdev=127.30, samples=27 iops : min= 10, max= 45, avg=25.30, stdev= 7.93, samples=27 lat (usec) : 250=0.39%, 500=2.08%, 750=0.52%, 1000=0.13% lat (msec) : 2=1.04%, 4=3.39%, 10=16.41%, 20=37.89%, 50=36.33% lat (msec) : 100=1.82% cpu : usr=0.16%, sys=23.78%, ctx=2599, 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=183668: Sun Nov 16 23:27:04 2025 read: IOPS=27, BW=437KiB/s (447kB/s)(6032KiB/13815msec) clat (usec): min=161, max=65497, avg=18912.82, stdev=9987.07 lat (usec): min=162, max=65498, avg=18913.72, stdev=9987.09 clat percentiles (usec): | 1.00th=[ 260], 5.00th=[ 701], 10.00th=[ 9372], 20.00th=[11863], | 30.00th=[13698], 40.00th=[15533], 50.00th=[17695], 60.00th=[20055], | 70.00th=[22676], 80.00th=[24773], 90.00th=[29754], 95.00th=[36439], | 99.00th=[54264], 99.50th=[58983], 99.90th=[65274], 99.95th=[65274], | 99.99th=[65274] bw ( KiB/s): min= 256, max= 576, per=25.42%, avg=433.59, stdev=89.32, samples=27 iops : min= 16, max= 36, avg=26.48, stdev= 5.60, samples=27 write: IOPS=28, BW=453KiB/s (464kB/s)(6256KiB/13815msec); 0 zone resets clat (usec): min=1487, max=57214, avg=16775.27, stdev=12630.60 lat (usec): min=1488, max=57216, avg=16777.06, stdev=12630.56 clat percentiles (usec): | 1.00th=[ 1795], 5.00th=[ 2835], 10.00th=[ 3949], 20.00th=[ 4883], | 30.00th=[ 6849], 40.00th=[10552], 50.00th=[13304], 60.00th=[17695], | 70.00th=[22152], 80.00th=[27919], 90.00th=[34341], 95.00th=[41681], | 99.00th=[56361], 99.50th=[56361], 99.90th=[57410], 99.95th=[57410], | 99.99th=[57410] bw ( KiB/s): min= 223, max= 734, per=25.26%, avg=453.37, stdev=135.87, samples=27 iops : min= 13, max= 45, avg=27.74, stdev= 8.60, samples=27 lat (usec) : 250=0.39%, 500=1.69%, 750=0.39%, 1000=0.13% lat (msec) : 2=0.91%, 4=4.69%, 10=17.06%, 20=37.50%, 50=35.42% lat (msec) : 100=1.82% cpu : usr=0.12%, sys=23.82%, ctx=2628, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1707KiB/s (1748kB/s), 412KiB/s-446KiB/s (422kB/s-457kB/s), io=23.4MiB (24.5MB), run=13738-14032msec WRITE: bw=1796KiB/s (1839kB/s), 430KiB/s-470KiB/s (440kB/s-481kB/s), io=24.6MiB (25.8MB), run=13738-14032msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183659: Sun Nov 16 23:27:07 2025 read: IOPS=21, BW=345KiB/s (353kB/s)(5920KiB/17177msec) clat (usec): min=4120, max=79318, avg=19619.40, stdev=15905.76 lat (usec): min=4121, max=79319, avg=19620.20, stdev=15905.71 clat percentiles (usec): | 1.00th=[ 4817], 5.00th=[ 5932], 10.00th=[ 6718], 20.00th=[ 8225], | 30.00th=[ 9765], 40.00th=[11076], 50.00th=[13304], 60.00th=[16188], | 70.00th=[19530], 80.00th=[29230], 90.00th=[44827], 95.00th=[54789], | 99.00th=[70779], 99.50th=[77071], 99.90th=[79168], 99.95th=[79168], | 99.99th=[79168] bw ( KiB/s): min= 126, max= 736, per=24.17%, avg=335.30, stdev=164.53, samples=33 iops : min= 7, max= 46, avg=20.42, stdev=10.42, samples=33 write: IOPS=23, BW=371KiB/s (380kB/s)(6368KiB/17177msec); 0 zone resets clat (usec): min=6827, max=96662, avg=24734.39, stdev=13960.70 lat (usec): min=6829, max=96663, avg=24736.07, stdev=13960.65 clat percentiles (usec): | 1.00th=[ 7242], 5.00th=[ 9765], 10.00th=[11207], 20.00th=[13566], | 30.00th=[15401], 40.00th=[17171], 50.00th=[19792], 60.00th=[24249], | 70.00th=[28967], 80.00th=[36439], 90.00th=[44303], 95.00th=[51643], | 99.00th=[67634], 99.50th=[79168], 99.90th=[96994], 99.95th=[96994], | 99.99th=[96994] bw ( KiB/s): min= 191, max= 798, per=24.78%, avg=361.55, stdev=146.61, samples=33 iops : min= 11, max= 49, avg=22.09, stdev= 9.26, samples=33 lat (msec) : 10=18.36%, 20=41.67%, 50=33.46%, 100=6.51% cpu : usr=0.12%, sys=9.55%, ctx=1439, 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=183660: Sun Nov 16 23:27:07 2025 read: IOPS=21, BW=336KiB/s (344kB/s)(5744KiB/17076msec) clat (usec): min=4857, max=74428, avg=18236.34, stdev=13751.43 lat (usec): min=4857, max=74428, avg=18237.32, stdev=13751.23 clat percentiles (usec): | 1.00th=[ 5669], 5.00th=[ 6128], 10.00th=[ 6849], 20.00th=[ 8586], | 30.00th=[ 9765], 40.00th=[11338], 50.00th=[13042], 60.00th=[14877], | 70.00th=[18744], 80.00th=[27132], 90.00th=[39584], 95.00th=[49021], | 99.00th=[67634], 99.50th=[73925], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 127, max= 800, per=23.93%, avg=331.91, stdev=153.46, samples=33 iops : min= 7, max= 50, avg=20.21, stdev= 9.74, samples=33 write: IOPS=23, BW=383KiB/s (392kB/s)(6544KiB/17076msec); 0 zone resets clat (usec): min=7323, max=96549, avg=25624.49, stdev=15729.22 lat (usec): min=7325, max=96550, avg=25626.34, stdev=15729.11 clat percentiles (usec): | 1.00th=[ 8291], 5.00th=[10028], 10.00th=[10945], 20.00th=[12649], | 30.00th=[14877], 40.00th=[17171], 50.00th=[20317], 60.00th=[24511], | 70.00th=[30278], 80.00th=[37487], 90.00th=[47973], 95.00th=[57934], | 99.00th=[80217], 99.50th=[80217], 99.90th=[96994], 99.95th=[96994], | 99.99th=[96994] bw ( KiB/s): min= 159, max= 894, per=25.74%, avg=375.52, stdev=170.81, samples=33 iops : min= 9, max= 55, avg=22.94, stdev=10.76, samples=33 lat (msec) : 10=17.06%, 20=43.88%, 50=32.03%, 100=7.03% cpu : usr=0.09%, sys=9.53%, ctx=1453, 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=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=183661: Sun Nov 16 23:27:07 2025 read: IOPS=22, BW=367KiB/s (376kB/s)(6256KiB/17046msec) clat (usec): min=4578, max=79651, avg=18571.48, stdev=13927.39 lat (usec): min=4578, max=79652, avg=18572.33, stdev=13927.39 clat percentiles (usec): | 1.00th=[ 5342], 5.00th=[ 6587], 10.00th=[ 7308], 20.00th=[ 8717], | 30.00th=[10290], 40.00th=[11600], 50.00th=[13042], 60.00th=[16057], | 70.00th=[19268], 80.00th=[24773], 90.00th=[40109], 95.00th=[50594], | 99.00th=[67634], 99.50th=[77071], 99.90th=[79168], 99.95th=[79168], | 99.99th=[79168] bw ( KiB/s): min= 94, max= 890, per=26.33%, avg=365.21, stdev=178.25, samples=33 iops : min= 5, max= 55, avg=22.30, stdev=11.24, samples=33 write: IOPS=22, BW=354KiB/s (362kB/s)(6032KiB/17046msec); 0 zone resets clat (msec): min=7, max=128, avg=25.79, stdev=15.61 lat (msec): min=7, max=128, avg=25.79, stdev=15.61 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 26], | 70.00th=[ 30], 80.00th=[ 39], 90.00th=[ 50], 95.00th=[ 57], | 99.00th=[ 71], 99.50th=[ 73], 99.90th=[ 129], 99.95th=[ 129], | 99.99th=[ 129] bw ( KiB/s): min= 160, max= 768, per=23.79%, avg=347.03, stdev=150.18, samples=33 iops : min= 10, max= 48, avg=21.18, stdev= 9.48, samples=33 lat (msec) : 10=16.15%, 20=44.79%, 50=32.03%, 100=6.90%, 250=0.13% cpu : usr=0.07%, sys=10.05%, ctx=1487, 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=183662: Sun Nov 16 23:27:07 2025 read: IOPS=21, BW=349KiB/s (358kB/s)(6032KiB/17265msec) clat (usec): min=4577, max=98252, avg=18803.05, stdev=13711.74 lat (usec): min=4578, max=98252, avg=18803.88, stdev=13711.69 clat percentiles (usec): | 1.00th=[ 4883], 5.00th=[ 6063], 10.00th=[ 7177], 20.00th=[ 8717], | 30.00th=[10814], 40.00th=[12125], 50.00th=[13435], 60.00th=[15533], | 70.00th=[20579], 80.00th=[28443], 90.00th=[40109], 95.00th=[46400], | 99.00th=[62653], 99.50th=[91751], 99.90th=[98042], 99.95th=[98042], | 99.99th=[98042] bw ( KiB/s): min= 127, max= 766, per=24.89%, avg=345.26, stdev=175.76, samples=34 iops : min= 7, max= 47, avg=21.06, stdev=11.11, samples=34 write: IOPS=22, BW=362KiB/s (371kB/s)(6256KiB/17265msec); 0 zone resets clat (msec): min=6, max=119, avg=25.88, stdev=16.57 lat (msec): min=6, max=119, avg=25.88, stdev=16.57 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 39], 90.00th=[ 48], 95.00th=[ 58], | 99.00th=[ 83], 99.50th=[ 87], 99.90th=[ 121], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 159, max= 832, per=24.75%, avg=361.06, stdev=174.79, samples=34 iops : min= 9, max= 52, avg=22.03, stdev=10.99, samples=34 lat (msec) : 10=17.19%, 20=41.54%, 50=34.77%, 100=6.38%, 250=0.13% cpu : usr=0.13%, sys=9.50%, ctx=1501, 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=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=1387KiB/s (1421kB/s), 336KiB/s-367KiB/s (344kB/s-376kB/s), io=23.4MiB (24.5MB), run=17046-17265msec WRITE: bw=1460KiB/s (1495kB/s), 354KiB/s-383KiB/s (362kB/s-392kB/s), io=24.6MiB (25.8MB), run=17046-17265msec 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=183675: Sun Nov 16 23:27:16 2025 read: IOPS=3, BW=3473KiB/s (3556kB/s)(7168KiB/2064msec) clat (msec): min=43, max=284, avg=156.42, stdev=98.71 lat (msec): min=43, max=284, avg=156.42, stdev=98.71 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 44], 10.00th=[ 44], 20.00th=[ 45], | 30.00th=[ 109], 40.00th=[ 109], 50.00th=[ 134], 60.00th=[ 234], | 70.00th=[ 234], 80.00th=[ 247], 90.00th=[ 284], 95.00th=[ 284], | 99.00th=[ 284], 99.50th=[ 284], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 2048, max= 7013, per=55.20%, avg=3703.00, stdev=2866.54, samples=3 iops : min= 2, max= 6, avg= 3.33, stdev= 2.31, samples=3 write: IOPS=2, BW=2481KiB/s (2540kB/s)(5120KiB/2064msec); 0 zone resets clat (msec): min=48, max=347, avg=174.61, stdev=109.13 lat (msec): min=48, max=347, avg=174.70, stdev=109.14 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 48], 10.00th=[ 48], 20.00th=[ 48], | 30.00th=[ 144], 40.00th=[ 144], 50.00th=[ 150], 60.00th=[ 150], | 70.00th=[ 184], 80.00th=[ 184], 90.00th=[ 347], 95.00th=[ 347], | 99.00th=[ 347], 99.50th=[ 347], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 1753, max= 4096, per=28.03%, avg=2632.33, stdev=1276.13, samples=3 iops : min= 1, max= 4, avg= 2.33, stdev= 1.53, samples=3 lat (msec) : 50=25.00%, 250=58.33%, 500=16.67% cpu : usr=0.05%, sys=13.57%, ctx=108, 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=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=183676: Sun Nov 16 23:27:16 2025 read: IOPS=0, BW=700KiB/s (716kB/s)(2048KiB/2927msec) clat (msec): min=253, max=414, avg=334.00, stdev=113.58 lat (msec): min=253, max=414, avg=334.01, stdev=113.58 clat percentiles (msec): | 1.00th=[ 253], 5.00th=[ 253], 10.00th=[ 253], 20.00th=[ 253], | 30.00th=[ 253], 40.00th=[ 253], 50.00th=[ 253], 60.00th=[ 414], | 70.00th=[ 414], 80.00th=[ 414], 90.00th=[ 414], 95.00th=[ 414], | 99.00th=[ 414], 99.50th=[ 414], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 1747, max= 2048, per=28.29%, avg=1897.50, stdev=212.84, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=3, BW=3498KiB/s (3582kB/s)(10.0MiB/2927msec); 0 zone resets clat (msec): min=39, max=434, avg=220.49, stdev=114.99 lat (msec): min=39, max=435, avg=220.58, stdev=115.00 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 40], 10.00th=[ 40], 20.00th=[ 116], | 30.00th=[ 131], 40.00th=[ 171], 50.00th=[ 218], 60.00th=[ 220], | 70.00th=[ 249], 80.00th=[ 309], 90.00th=[ 321], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 4096, max= 6144, per=50.89%, avg=4778.67, stdev=1182.41, samples=3 iops : min= 4, max= 6, avg= 4.67, stdev= 1.15, samples=3 lat (msec) : 50=8.33%, 250=50.00%, 500=41.67% cpu : usr=0.00%, sys=24.16%, ctx=343, 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=183677: Sun Nov 16 23:27:16 2025 read: IOPS=2, BW=2231KiB/s (2284kB/s)(6144KiB/2754msec) clat (msec): min=53, max=403, avg=252.94, stdev=130.25 lat (msec): min=53, max=403, avg=252.94, stdev=130.25 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 54], 10.00th=[ 54], 20.00th=[ 153], | 30.00th=[ 153], 40.00th=[ 249], 50.00th=[ 249], 60.00th=[ 317], | 70.00th=[ 347], 80.00th=[ 347], 90.00th=[ 405], 95.00th=[ 405], | 99.00th=[ 405], 99.50th=[ 405], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 2048, max= 4096, per=38.16%, avg=2560.00, stdev=1024.00, samples=4 iops : min= 2, max= 4, avg= 2.50, stdev= 1.00, samples=4 write: IOPS=2, BW=2231KiB/s (2284kB/s)(6144KiB/2754msec); 0 zone resets clat (msec): min=56, max=306, avg=203.77, stdev=105.57 lat (msec): min=56, max=306, avg=203.86, stdev=105.57 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 57], 10.00th=[ 57], 20.00th=[ 99], | 30.00th=[ 99], 40.00th=[ 205], 50.00th=[ 205], 60.00th=[ 257], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 309], 95.00th=[ 309], | 99.00th=[ 309], 99.50th=[ 309], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 2048, max= 3465, per=25.58%, avg=2402.25, stdev=708.50, samples=4 iops : min= 2, max= 3, avg= 2.25, stdev= 0.50, samples=4 lat (msec) : 100=25.00%, 250=25.00%, 500=50.00% cpu : usr=0.00%, sys=14.75%, ctx=96, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=183678: Sun Nov 16 23:27:16 2025 read: IOPS=1, BW=1677KiB/s (1717kB/s)(5120KiB/3053msec) clat (msec): min=36, max=348, avg=198.39, stdev=135.09 lat (msec): min=36, max=348, avg=198.40, stdev=135.09 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 36], 10.00th=[ 36], 20.00th=[ 36], | 30.00th=[ 85], 40.00th=[ 85], 50.00th=[ 222], 60.00th=[ 222], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 351], 95.00th=[ 351], | 99.00th=[ 351], 99.50th=[ 351], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 2048, max= 6144, per=61.06%, avg=4096.00, stdev=2896.31, samples=2 iops : min= 2, max= 6, avg= 4.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2348KiB/s (2404kB/s)(7168KiB/3053msec); 0 zone resets clat (msec): min=67, max=636, avg=288.11, stdev=176.23 lat (msec): min=67, max=636, avg=288.20, stdev=176.23 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 68], 10.00th=[ 68], 20.00th=[ 213], | 30.00th=[ 226], 40.00th=[ 226], 50.00th=[ 239], 60.00th=[ 284], | 70.00th=[ 284], 80.00th=[ 355], 90.00th=[ 634], 95.00th=[ 634], | 99.00th=[ 634], 99.50th=[ 634], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 1747, max= 4096, per=26.46%, avg=2484.75, stdev=1083.50, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.26, samples=4 lat (msec) : 50=8.33%, 100=16.67%, 250=33.33%, 500=33.33%, 750=8.33% cpu : usr=0.00%, sys=13.60%, ctx=93, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6708KiB/s (6869kB/s), 700KiB/s-3473KiB/s (716kB/s-3556kB/s), io=20.0MiB (20.0MB), run=2064-3053msec WRITE: bw=9391KiB/s (9617kB/s), 2231KiB/s-3498KiB/s (2284kB/s-3582kB/s), io=28.0MiB (29.4MB), run=2064-3053msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183680: Sun Nov 16 23:27:16 2025 read: IOPS=3, BW=3728KiB/s (3817kB/s)(7168KiB/1923msec) clat (usec): min=1236, max=174269, avg=102948.99, stdev=53763.33 lat (usec): min=1237, max=174271, avg=102950.30, stdev=53763.52 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1237], 10.00th=[ 1237], 20.00th=[ 83362], | 30.00th=[ 89654], 40.00th=[ 89654], 50.00th=[124257], 60.00th=[124257], | 70.00th=[124257], 80.00th=[124257], 90.00th=[175113], 95.00th=[175113], | 99.00th=[175113], 99.50th=[175113], 99.90th=[175113], 99.95th=[175113], | 99.99th=[175113] bw ( KiB/s): min= 4096, max= 5206, per=68.75%, avg=4651.00, stdev=784.89, samples=2 iops : min= 4, max= 5, avg= 4.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2663KiB/s (2726kB/s)(5120KiB/1923msec); 0 zone resets clat (msec): min=138, max=406, avg=223.90, stdev=109.66 lat (msec): min=138, max=406, avg=223.98, stdev=109.66 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 155], 40.00th=[ 155], 50.00th=[ 176], 60.00th=[ 176], | 70.00th=[ 245], 80.00th=[ 245], 90.00th=[ 405], 95.00th=[ 405], | 99.00th=[ 405], 99.50th=[ 405], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 2048, max= 3968, per=31.76%, avg=3008.00, stdev=1357.65, samples=2 iops : min= 2, max= 3, avg= 2.50, stdev= 0.71, samples=2 lat (msec) : 2=8.33%, 100=16.67%, 250=66.67%, 500=8.33% cpu : usr=0.00%, sys=53.02%, ctx=901, 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=183681: Sun Nov 16 23:27:16 2025 read: IOPS=0, BW=677KiB/s (693kB/s)(2048KiB/3027msec) clat (usec): min=885, max=265309, avg=133097.87, stdev=186976.10 lat (usec): min=886, max=265312, avg=133099.53, stdev=186976.83 clat percentiles (usec): | 1.00th=[ 889], 5.00th=[ 889], 10.00th=[ 889], 20.00th=[ 889], | 30.00th=[ 889], 40.00th=[ 889], 50.00th=[ 889], 60.00th=[265290], | 70.00th=[265290], 80.00th=[265290], 90.00th=[265290], 95.00th=[265290], | 99.00th=[265290], 99.50th=[265290], 99.90th=[265290], 99.95th=[265290], | 99.99th=[265290] bw ( KiB/s): min= 1777, max= 1980, per=27.77%, avg=1878.50, stdev=143.54, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3383KiB/s (3464kB/s)(10.0MiB/3027msec); 0 zone resets clat (msec): min=69, max=693, avg=270.03, stdev=193.99 lat (msec): min=69, max=693, avg=270.10, stdev=194.00 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 70], 10.00th=[ 70], 20.00th=[ 113], | 30.00th=[ 132], 40.00th=[ 180], 50.00th=[ 182], 60.00th=[ 209], | 70.00th=[ 259], 80.00th=[ 393], 90.00th=[ 468], 95.00th=[ 693], | 99.00th=[ 693], 99.50th=[ 693], 99.90th=[ 693], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 3871, max= 4096, per=41.98%, avg=3976.00, stdev=113.25, samples=3 iops : min= 3, max= 4, avg= 3.33, stdev= 0.58, samples=3 lat (usec) : 1000=8.33% lat (msec) : 100=8.33%, 250=41.67%, 500=33.33%, 750=8.33% cpu : usr=0.07%, sys=39.26%, ctx=176, 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=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=183682: Sun Nov 16 23:27:16 2025 read: IOPS=2, BW=2563KiB/s (2625kB/s)(6144KiB/2397msec) clat (usec): min=940, max=234699, avg=105691.39, stdev=104090.26 lat (usec): min=941, max=234700, avg=105692.61, stdev=104090.07 clat percentiles (usec): | 1.00th=[ 938], 5.00th=[ 938], 10.00th=[ 938], 20.00th=[ 1467], | 30.00th=[ 1467], 40.00th=[ 42730], 50.00th=[ 42730], 60.00th=[149947], | 70.00th=[204473], 80.00th=[204473], 90.00th=[233833], 95.00th=[233833], | 99.00th=[233833], 99.50th=[233833], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 1984, max= 5807, per=48.48%, avg=3279.67, stdev=2188.97, samples=3 iops : min= 1, max= 5, avg= 2.67, stdev= 2.08, samples=3 write: IOPS=2, BW=2563KiB/s (2625kB/s)(6144KiB/2397msec); 0 zone resets clat (msec): min=129, max=582, avg=290.99, stdev=175.75 lat (msec): min=129, max=583, avg=291.06, stdev=175.74 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 130], 10.00th=[ 130], 20.00th=[ 150], | 30.00th=[ 150], 40.00th=[ 186], 50.00th=[ 186], 60.00th=[ 300], | 70.00th=[ 401], 80.00th=[ 401], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 2048, max= 3871, per=33.21%, avg=3145.67, stdev=966.85, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 lat (usec) : 1000=8.33% lat (msec) : 2=8.33%, 50=8.33%, 250=50.00%, 500=16.67%, 750=8.33% cpu : usr=0.00%, sys=40.23%, ctx=443, 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=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=183683: Sun Nov 16 23:27:16 2025 read: IOPS=1, BW=2043KiB/s (2092kB/s)(5120KiB/2506msec) clat (usec): min=872, max=226167, avg=51014.74, stdev=98522.38 lat (usec): min=872, max=226169, avg=51015.70, stdev=98522.57 clat percentiles (usec): | 1.00th=[ 873], 5.00th=[ 873], 10.00th=[ 873], 20.00th=[ 873], | 30.00th=[ 889], 40.00th=[ 889], 50.00th=[ 979], 60.00th=[ 979], | 70.00th=[ 26084], 80.00th=[ 26084], 90.00th=[225444], 95.00th=[225444], | 99.00th=[225444], 99.50th=[225444], 99.90th=[225444], 99.95th=[225444], | 99.99th=[225444] bw ( KiB/s): min= 7742, max= 7742, per=100.00%, avg=7742.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2860KiB/s (2929kB/s)(7168KiB/2506msec); 0 zone resets clat (msec): min=119, max=784, avg=314.58, stdev=230.97 lat (msec): min=119, max=784, avg=314.65, stdev=230.98 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 120], 10.00th=[ 120], 20.00th=[ 176], | 30.00th=[ 186], 40.00th=[ 186], 50.00th=[ 215], 60.00th=[ 292], | 70.00th=[ 292], 80.00th=[ 435], 90.00th=[ 785], 95.00th=[ 785], | 99.00th=[ 785], 99.50th=[ 785], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 1741, max= 3968, per=26.90%, avg=2548.00, stdev=1233.58, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 1000=25.00% lat (msec) : 50=8.33%, 250=41.67%, 500=16.67%, 1000=8.33% cpu : usr=0.00%, sys=39.40%, ctx=336, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6766KiB/s (6928kB/s), 677KiB/s-3728KiB/s (693kB/s-3817kB/s), io=20.0MiB (20.0MB), run=1923-3027msec WRITE: bw=9472KiB/s (9699kB/s), 2563KiB/s-3383KiB/s (2625kB/s-3464kB/s), io=28.0MiB (29.4MB), run=1923-3027msec 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=183693: Sun Nov 16 23:27:25 2025 read: IOPS=2, BW=10.1MiB/s (10.6MB/s)(12.0MiB/1183msec) clat (msec): min=256, max=602, avg=392.42, stdev=184.28 lat (msec): min=256, max=602, avg=392.42, stdev=184.28 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 257], 10.00th=[ 257], 20.00th=[ 257], | 30.00th=[ 257], 40.00th=[ 317], 50.00th=[ 317], 60.00th=[ 317], | 70.00th=[ 600], 80.00th=[ 600], 90.00th=[ 600], 95.00th=[ 600], | 99.00th=[ 600], 99.50th=[ 600], 99.90th=[ 600], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min=16286, max=16286, per=100.00%, avg=16286.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 750=33.33% cpu : usr=0.00%, sys=18.78%, ctx=64, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183694: Sun Nov 16 23:27:25 2025 read: IOPS=0, BW=2592KiB/s (2655kB/s)(4096KiB/1580msec) clat (nsec): min=907935k, max=907935k, avg=907935215.00, stdev= 0.00 lat (nsec): min=907941k, max=907941k, avg=907940748.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 911], 5.00th=[ 911], 10.00th=[ 911], 20.00th=[ 911], | 30.00th=[ 911], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 911], 80.00th=[ 911], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 8143, max= 8143, per=78.53%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=5185KiB/s (5309kB/s)(8192KiB/1580msec); 0 zone resets clat (msec): min=161, max=469, avg=315.89, stdev=217.70 lat (msec): min=162, max=470, avg=316.54, stdev=217.54 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 163], 10.00th=[ 163], 20.00th=[ 163], | 30.00th=[ 163], 40.00th=[ 163], 50.00th=[ 163], 60.00th=[ 472], | 70.00th=[ 472], 80.00th=[ 472], 90.00th=[ 472], 95.00th=[ 472], | 99.00th=[ 472], 99.50th=[ 472], 99.90th=[ 472], 99.95th=[ 472], | 99.99th=[ 472] lat (msec) : 250=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.00%, sys=15.39%, ctx=62, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=183695: Sun Nov 16 23:27:25 2025 write: IOPS=1, BW=7892KiB/s (8082kB/s)(12.0MiB/1557msec); 0 zone resets clat (msec): min=133, max=1254, avg=512.25, stdev=642.45 lat (msec): min=134, max=1254, avg=512.73, stdev=642.37 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 134], 10.00th=[ 134], 20.00th=[ 134], | 30.00th=[ 134], 40.00th=[ 150], 50.00th=[ 150], 60.00th=[ 150], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] lat (msec) : 250=66.67%, 2000=33.33% cpu : usr=0.00%, sys=16.39%, ctx=55, 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=183696: Sun Nov 16 23:27:25 2025 write: IOPS=1, BW=7465KiB/s (7645kB/s)(12.0MiB/1646msec); 0 zone resets clat (msec): min=234, max=968, avg=538.81, stdev=382.51 lat (msec): min=235, max=968, avg=539.11, stdev=382.50 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 234], 10.00th=[ 234], 20.00th=[ 234], | 30.00th=[ 234], 40.00th=[ 414], 50.00th=[ 414], 60.00th=[ 414], | 70.00th=[ 969], 80.00th=[ 969], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 7098, max= 8143, per=38.28%, avg=7620.50, stdev=738.93, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.00%, sys=13.86%, ctx=58, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=10.1MiB/s (10.6MB/s), 2592KiB/s-10.1MiB/s (2655kB/s-10.6MB/s), io=16.0MiB (16.8MB), run=1183-1580msec WRITE: bw=19.4MiB/s (20.4MB/s), 5185KiB/s-7892KiB/s (5309kB/s-8082kB/s), io=32.0MiB (33.6MB), run=1557-1646msec rand-rw: (groupid=0, jobs=1): err= 0: pid=183688: Sun Nov 16 23:27:25 2025 read: IOPS=2, BW=8847KiB/s (9059kB/s)(12.0MiB/1389msec) clat (msec): min=349, max=496, avg=412.37, stdev=75.69 lat (msec): min=349, max=496, avg=412.38, stdev=75.69 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 393], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 498], 95.00th=[ 498], | 99.00th=[ 498], 99.50th=[ 498], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 5728, max= 8192, per=67.29%, avg=6960.00, stdev=1742.31, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=100.00% cpu : usr=0.00%, sys=44.74%, ctx=1501, 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=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=183689: Sun Nov 16 23:27:25 2025 read: IOPS=0, BW=2586KiB/s (2648kB/s)(4096KiB/1584msec) clat (nsec): min=496405k, max=496405k, avg=496404915.00, stdev= 0.00 lat (nsec): min=496408k, max=496408k, avg=496407840.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 498], 5.00th=[ 498], 10.00th=[ 498], 20.00th=[ 498], | 30.00th=[ 498], 40.00th=[ 498], 50.00th=[ 498], 60.00th=[ 498], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 498], 95.00th=[ 498], | 99.00th=[ 498], 99.50th=[ 498], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 5720, max= 5720, per=55.30%, avg=5720.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=1, BW=5172KiB/s (5296kB/s)(8192KiB/1584msec); 0 zone resets clat (msec): min=323, max=610, avg=467.23, stdev=202.69 lat (msec): min=324, max=611, avg=467.65, stdev=202.79 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 326], 50.00th=[ 326], 60.00th=[ 609], | 70.00th=[ 609], 80.00th=[ 609], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 8192, max= 8192, per=50.58%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 750=33.33% cpu : usr=0.06%, sys=31.08%, ctx=547, 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=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=183690: Sun Nov 16 23:27:25 2025 write: IOPS=1, BW=6074KiB/s (6220kB/s)(12.0MiB/2023msec); 0 zone resets clat (msec): min=71, max=1677, avg=628.23, stdev=909.67 lat (msec): min=71, max=1678, avg=628.74, stdev=909.79 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 72], 10.00th=[ 72], 20.00th=[ 72], | 30.00th=[ 72], 40.00th=[ 136], 50.00th=[ 136], 60.00th=[ 136], | 70.00th=[ 1687], 80.00th=[ 1687], 90.00th=[ 1687], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] lat (msec) : 100=33.33%, 250=33.33%, 2000=33.33% cpu : usr=0.00%, sys=17.01%, ctx=110, 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=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=183691: Sun Nov 16 23:27:25 2025 write: IOPS=1, BW=7062KiB/s (7232kB/s)(12.0MiB/1740msec); 0 zone resets clat (msec): min=121, max=1171, avg=528.48, stdev=563.25 lat (msec): min=122, max=1171, avg=529.45, stdev=562.86 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 123], | 30.00th=[ 123], 40.00th=[ 292], 50.00th=[ 292], 60.00th=[ 292], | 70.00th=[ 1167], 80.00th=[ 1167], 90.00th=[ 1167], 95.00th=[ 1167], | 99.00th=[ 1167], 99.50th=[ 1167], 99.90th=[ 1167], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min=11457, max=11457, per=70.74%, avg=11457.00, 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%, 2000=33.33% cpu : usr=0.06%, sys=15.93%, ctx=76, 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=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=10.1MiB/s (10.6MB/s), 2586KiB/s-8847KiB/s (2648kB/s-9059kB/s), io=16.0MiB (16.8MB), run=1389-1584msec WRITE: bw=15.8MiB/s (16.6MB/s), 5172KiB/s-7062KiB/s (5296kB/s-7232kB/s), io=32.0MiB (33.6MB), run=1584-2023msec