== sanity test 398b: DIO and buffer IO race ============== 14:20:43 (1771442443) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.0707 s, 16.4 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=194827: Wed Feb 18 14:21:57 2026 read: IOPS=23, BW=95.4KiB/s (97.7kB/s)(5992KiB/62801msec) clat (usec): min=203, max=1042.1k, avg=22490.11, stdev=28700.04 lat (usec): min=204, max=1042.1k, avg=22491.40, stdev=28699.93 clat percentiles (usec): | 1.00th=[ 529], 5.00th=[ 8029], 10.00th=[ 9503], | 20.00th=[ 12387], 30.00th=[ 15139], 40.00th=[ 17695], | 50.00th=[ 20055], 60.00th=[ 22676], 70.00th=[ 26084], | 80.00th=[ 30278], 90.00th=[ 36439], 95.00th=[ 42206], | 99.00th=[ 59507], 99.50th=[ 67634], 99.90th=[ 93848], | 99.95th=[1044382], 99.99th=[1044382] bw ( KiB/s): min= 6, max= 168, per=25.16%, avg=96.10, stdev=27.87, samples=124 iops : min= 1, max= 42, avg=23.64, stdev= 7.03, samples=124 write: IOPS=25, BW=100KiB/s (103kB/s)(6296KiB/62801msec); 0 zone resets clat (usec): min=740, max=105912, avg=18305.65, stdev=13643.43 lat (usec): min=740, max=105913, avg=18307.11, stdev=13643.21 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 2704], 10.00th=[ 3523], 20.00th=[ 5407], | 30.00th=[ 8848], 40.00th=[ 12518], 50.00th=[ 15795], 60.00th=[ 19268], | 70.00th=[ 23987], 80.00th=[ 28443], 90.00th=[ 36439], 95.00th=[ 43779], | 99.00th=[ 60031], 99.50th=[ 66323], 99.90th=[ 85459], 99.95th=[106431], | 99.99th=[106431] bw ( KiB/s): min= 40, max= 199, per=25.50%, avg=101.76, stdev=31.75, samples=123 iops : min= 10, max= 49, avg=25.06, stdev= 7.95, samples=123 lat (usec) : 250=0.07%, 500=0.23%, 750=0.65%, 1000=0.29% lat (msec) : 2=1.17%, 4=5.70%, 10=14.84%, 20=32.75%, 50=41.83% lat (msec) : 100=2.41%, 250=0.03%, 2000=0.03% cpu : usr=0.11%, sys=23.43%, ctx=9868, 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=194829: Wed Feb 18 14:21:57 2026 read: IOPS=23, BW=95.8KiB/s (98.1kB/s)(5940KiB/62030msec) clat (usec): min=191, max=1006.7k, avg=22684.84, stdev=28012.29 lat (usec): min=192, max=1006.7k, avg=22685.88, stdev=28012.33 clat percentiles (usec): | 1.00th=[ 660], 5.00th=[ 8586], 10.00th=[ 10290], | 20.00th=[ 12911], 30.00th=[ 15401], 40.00th=[ 17433], | 50.00th=[ 20055], 60.00th=[ 22676], 70.00th=[ 25822], | 80.00th=[ 30016], 90.00th=[ 35914], 95.00th=[ 43254], | 99.00th=[ 61080], 99.50th=[ 66847], 99.90th=[ 111674], | 99.95th=[1010828], 99.99th=[1010828] bw ( KiB/s): min= 23, max= 160, per=25.45%, avg=97.22, stdev=26.55, samples=121 iops : min= 5, max= 40, avg=23.92, stdev= 6.64, samples=121 write: IOPS=25, BW=102KiB/s (105kB/s)(6348KiB/62030msec); 0 zone resets clat (usec): min=827, max=84361, avg=17674.39, stdev=13537.39 lat (usec): min=828, max=84363, avg=17675.59, stdev=13537.45 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 2704], 10.00th=[ 3261], 20.00th=[ 5080], | 30.00th=[ 8717], 40.00th=[11994], 50.00th=[14877], 60.00th=[18220], | 70.00th=[22152], 80.00th=[27657], 90.00th=[35390], 95.00th=[45351], | 99.00th=[59507], 99.50th=[68682], 99.90th=[76022], 99.95th=[84411], | 99.99th=[84411] bw ( KiB/s): min= 47, max= 184, per=25.98%, avg=103.65, stdev=30.60, samples=121 iops : min= 11, max= 46, avg=25.52, stdev= 7.68, samples=121 lat (usec) : 250=0.10%, 500=0.16%, 750=0.36%, 1000=0.33% lat (msec) : 2=1.46%, 4=6.45%, 10=12.79%, 20=36.00%, 50=39.58% lat (msec) : 100=2.70%, 250=0.03%, 2000=0.03% cpu : usr=0.11%, sys=23.55%, ctx=9548, 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=194830: Wed Feb 18 14:21:57 2026 read: IOPS=23, BW=95.9KiB/s (98.2kB/s)(6028KiB/62852msec) clat (usec): min=215, max=87070, avg=22382.89, stdev=11342.25 lat (usec): min=216, max=87071, avg=22384.36, stdev=11342.57 clat percentiles (usec): | 1.00th=[ 848], 5.00th=[ 8586], 10.00th=[10290], 20.00th=[12911], | 30.00th=[15533], 40.00th=[17957], 50.00th=[20317], 60.00th=[23200], | 70.00th=[26608], 80.00th=[30540], 90.00th=[36963], 95.00th=[43254], | 99.00th=[57410], 99.50th=[62653], 99.90th=[71828], 99.95th=[87557], | 99.99th=[87557] bw ( KiB/s): min= 39, max= 159, per=25.48%, avg=97.35, stdev=23.94, samples=123 iops : min= 9, max= 39, avg=23.95, stdev= 6.03, samples=123 write: IOPS=24, BW=99.6KiB/s (102kB/s)(6260KiB/62852msec); 0 zone resets clat (usec): min=968, max=1007.3k, avg=18413.39, stdev=28430.87 lat (usec): min=968, max=1007.3k, avg=18414.89, stdev=28431.00 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 2573], 10.00th=[ 3294], | 20.00th=[ 5014], 30.00th=[ 8848], 40.00th=[ 11994], | 50.00th=[ 15139], 60.00th=[ 18482], 70.00th=[ 22676], | 80.00th=[ 27395], 90.00th=[ 35914], 95.00th=[ 43779], | 99.00th=[ 59507], 99.50th=[ 74974], 99.90th=[ 89654], | 99.95th=[1010828], 99.99th=[1010828] bw ( KiB/s): min= 40, max= 183, per=25.29%, avg=100.93, stdev=29.44, samples=123 iops : min= 10, max= 45, avg=24.85, stdev= 7.41, samples=123 lat (usec) : 250=0.03%, 500=0.16%, 750=0.26%, 1000=0.29% lat (msec) : 2=1.53%, 4=6.80%, 10=12.50%, 20=34.54%, 50=41.02% lat (msec) : 100=2.83%, 2000=0.03% cpu : usr=0.12%, sys=23.42%, ctx=9880, 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=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=194831: Wed Feb 18 14:21:57 2026 read: IOPS=24, BW=96.5KiB/s (98.9kB/s)(6052KiB/62688msec) clat (usec): min=170, max=75414, avg=21988.38, stdev=11486.40 lat (usec): min=170, max=75414, avg=21989.32, stdev=11486.47 clat percentiles (usec): | 1.00th=[ 635], 5.00th=[ 8291], 10.00th=[10159], 20.00th=[12649], | 30.00th=[15008], 40.00th=[17433], 50.00th=[20055], 60.00th=[22414], | 70.00th=[25822], 80.00th=[30278], 90.00th=[37487], 95.00th=[43254], | 99.00th=[58459], 99.50th=[65799], 99.90th=[74974], 99.95th=[74974], | 99.99th=[74974] bw ( KiB/s): min= 32, max= 168, per=25.54%, avg=97.55, stdev=24.94, samples=122 iops : min= 8, max= 42, avg=24.00, stdev= 6.31, samples=122 write: IOPS=24, BW=99.5KiB/s (102kB/s)(6236KiB/62688msec); 0 zone resets clat (usec): min=838, max=1036.8k, avg=18691.50, stdev=29037.94 lat (usec): min=838, max=1036.8k, avg=18692.73, stdev=29037.97 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 2769], 10.00th=[ 3490], | 20.00th=[ 5473], 30.00th=[ 9110], 40.00th=[ 12518], | 50.00th=[ 15270], 60.00th=[ 18482], 70.00th=[ 22676], | 80.00th=[ 28181], 90.00th=[ 36439], 95.00th=[ 45351], | 99.00th=[ 58983], 99.50th=[ 61604], 99.90th=[ 98042], | 99.95th=[1035994], 99.99th=[1035994] bw ( KiB/s): min= 6, max= 191, per=25.05%, avg=99.93, stdev=30.49, samples=123 iops : min= 1, max= 47, avg=24.59, stdev= 7.66, samples=123 lat (usec) : 250=0.07%, 500=0.13%, 750=0.42%, 1000=0.42% lat (msec) : 2=1.07%, 4=5.66%, 10=13.18%, 20=36.26%, 50=39.97% lat (msec) : 100=2.77%, 2000=0.03% cpu : usr=0.12%, sys=23.60%, ctx=9806, 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=382KiB/s (391kB/s), 95.4KiB/s-96.5KiB/s (97.7kB/s-98.9kB/s), io=23.4MiB (24.6MB), run=62030-62852msec WRITE: bw=400KiB/s (410kB/s), 99.5KiB/s-102KiB/s (102kB/s-105kB/s), io=24.6MiB (25.7MB), run=62030-62852msec rand-rw: (groupid=0, jobs=1): err= 0: pid=194823: Wed Feb 18 14:22:06 2026 read: IOPS=20, BW=82.6KiB/s (84.6kB/s)(5992KiB/72508msec) clat (msec): min=2, max=1042, avg=21.12, stdev=30.10 lat (msec): min=2, max=1042, avg=21.12, stdev=30.10 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 23], 80.00th=[ 31], 90.00th=[ 42], 95.00th=[ 51], | 99.00th=[ 69], 99.50th=[ 79], 99.90th=[ 101], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 7, max= 264, per=25.12%, avg=83.16, stdev=44.99, samples=142 iops : min= 1, max= 66, avg=20.43, stdev=11.35, samples=142 write: IOPS=21, BW=86.8KiB/s (88.9kB/s)(6296KiB/72508msec); 0 zone resets clat (msec): min=4, max=128, avg=25.79, stdev=16.36 lat (msec): min=4, max=128, avg=25.79, stdev=16.36 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 19], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 32], 80.00th=[ 37], 90.00th=[ 49], 95.00th=[ 58], | 99.00th=[ 78], 99.50th=[ 94], 99.90th=[ 116], 99.95th=[ 129], | 99.99th=[ 129] bw ( KiB/s): min= 24, max= 264, per=25.25%, avg=87.38, stdev=44.75, samples=142 iops : min= 6, max= 66, avg=21.49, stdev=11.30, samples=142 lat (msec) : 4=0.10%, 10=17.15%, 20=37.47%, 50=38.28%, 100=6.74% lat (msec) : 250=0.23%, 2000=0.03% cpu : usr=0.11%, sys=13.09%, ctx=6712, 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=194824: Wed Feb 18 14:22:06 2026 read: IOPS=20, BW=82.3KiB/s (84.2kB/s)(5940KiB/72207msec) clat (msec): min=2, max=1006, avg=20.90, stdev=29.39 lat (msec): min=2, max=1006, avg=20.91, stdev=29.39 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 19], | 70.00th=[ 22], 80.00th=[ 29], 90.00th=[ 40], 95.00th=[ 50], | 99.00th=[ 77], 99.50th=[ 84], 99.90th=[ 108], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 15, max= 280, per=25.03%, avg=82.84, stdev=45.04, samples=141 iops : min= 3, max= 70, avg=20.35, stdev=11.37, samples=141 write: IOPS=21, BW=87.9KiB/s (90.0kB/s)(6348KiB/72207msec); 0 zone resets clat (msec): min=5, max=122, avg=25.75, stdev=16.17 lat (msec): min=5, max=122, avg=25.75, stdev=16.17 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 38], 90.00th=[ 48], 95.00th=[ 58], | 99.00th=[ 80], 99.50th=[ 90], 99.90th=[ 116], 99.95th=[ 124], | 99.99th=[ 124] bw ( KiB/s): min= 23, max= 288, per=25.48%, avg=88.16, stdev=43.64, samples=141 iops : min= 5, max= 72, avg=21.68, stdev=11.02, samples=141 lat (msec) : 4=0.10%, 10=16.50%, 20=38.70%, 50=37.89%, 100=6.54% lat (msec) : 250=0.23%, 2000=0.03% cpu : usr=0.11%, sys=13.27%, ctx=6745, 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=194825: Wed Feb 18 14:22:06 2026 read: IOPS=20, BW=83.1KiB/s (85.1kB/s)(6028KiB/72534msec) clat (msec): min=2, max=101, avg=20.34, stdev=13.77 lat (msec): min=2, max=101, avg=20.34, stdev=13.77 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 24], 80.00th=[ 30], 90.00th=[ 42], 95.00th=[ 49], | 99.00th=[ 65], 99.50th=[ 71], 99.90th=[ 88], 99.95th=[ 102], | 99.99th=[ 102] bw ( KiB/s): min= 23, max= 304, per=25.28%, avg=83.67, stdev=47.27, samples=142 iops : min= 5, max= 76, avg=20.56, stdev=11.91, samples=142 write: IOPS=21, BW=86.3KiB/s (88.4kB/s)(6260KiB/72534msec); 0 zone resets clat (msec): min=3, max=997, avg=26.57, stdev=29.81 lat (msec): min=3, max=997, avg=26.57, stdev=29.81 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 39], 90.00th=[ 48], 95.00th=[ 58], | 99.00th=[ 87], 99.50th=[ 111], 99.90th=[ 130], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 31, max= 272, per=25.06%, avg=86.70, stdev=41.41, samples=142 iops : min= 7, max= 68, avg=21.32, stdev=10.48, samples=142 lat (msec) : 4=0.29%, 10=16.89%, 20=36.95%, 50=39.16%, 100=6.38% lat (msec) : 250=0.29%, 1000=0.03% cpu : usr=0.10%, sys=13.17%, ctx=6897, 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=194826: Wed Feb 18 14:22:06 2026 read: IOPS=20, BW=83.5KiB/s (85.5kB/s)(6052KiB/72483msec) clat (msec): min=3, max=105, avg=20.60, stdev=14.27 lat (msec): min=3, max=105, avg=20.60, stdev=14.27 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 24], 80.00th=[ 32], 90.00th=[ 41], 95.00th=[ 51], | 99.00th=[ 66], 99.50th=[ 77], 99.90th=[ 105], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 7, max= 280, per=25.41%, avg=84.11, stdev=46.31, samples=142 iops : min= 1, max= 70, avg=20.67, stdev=11.67, samples=142 write: IOPS=21, BW=86.0KiB/s (88.1kB/s)(6236KiB/72483msec); 0 zone resets clat (msec): min=5, max=1008, avg=26.31, stdev=29.62 lat (msec): min=5, max=1008, avg=26.31, stdev=29.62 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 32], 80.00th=[ 39], 90.00th=[ 48], 95.00th=[ 57], | 99.00th=[ 79], 99.50th=[ 93], 99.90th=[ 110], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 31, max= 312, per=25.06%, avg=86.70, stdev=45.25, samples=142 iops : min= 7, max= 78, avg=21.32, stdev=11.42, samples=142 lat (msec) : 4=0.29%, 10=17.35%, 20=36.26%, 50=39.32%, 100=6.61% lat (msec) : 250=0.13%, 2000=0.03% cpu : usr=0.11%, sys=13.05%, ctx=6771, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=331KiB/s (339kB/s), 82.3KiB/s-83.5KiB/s (84.2kB/s-85.5kB/s), io=23.4MiB (24.6MB), run=72207-72534msec WRITE: bw=347KiB/s (355kB/s), 86.0KiB/s-87.9KiB/s (88.1kB/s-90.0kB/s), io=24.6MiB (25.7MB), run=72207-72534msec 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=194862: Wed Feb 18 14:22:31 2026 read: IOPS=19, BW=308KiB/s (316kB/s)(5920KiB/19213msec) clat (usec): min=221, max=76004, avg=27429.95, stdev=14375.65 lat (usec): min=222, max=76007, avg=27431.03, stdev=14375.84 clat percentiles (usec): | 1.00th=[ 510], 5.00th=[ 1139], 10.00th=[11994], 20.00th=[15664], | 30.00th=[19006], 40.00th=[22152], 50.00th=[25560], 60.00th=[29492], | 70.00th=[33162], 80.00th=[38011], 90.00th=[45351], 95.00th=[53740], | 99.00th=[71828], 99.50th=[73925], 99.90th=[76022], 99.95th=[76022], | 99.99th=[76022] bw ( KiB/s): min= 159, max= 512, per=24.79%, avg=308.58, stdev=87.53, samples=38 iops : min= 9, max= 32, avg=18.63, stdev= 5.60, samples=38 write: IOPS=20, BW=331KiB/s (339kB/s)(6368KiB/19213msec); 0 zone resets clat (usec): min=2084, max=78087, avg=22644.40, stdev=14541.67 lat (usec): min=2086, max=78089, avg=22646.31, stdev=14541.79 clat percentiles (usec): | 1.00th=[ 3458], 5.00th=[ 5145], 10.00th=[ 6849], 20.00th=[10290], | 30.00th=[12911], 40.00th=[15795], 50.00th=[19268], 60.00th=[22938], | 70.00th=[27657], 80.00th=[33817], 90.00th=[42730], 95.00th=[50594], | 99.00th=[68682], 99.50th=[72877], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 64, max= 573, per=25.32%, avg=331.63, stdev=109.63, samples=38 iops : min= 4, max= 35, avg=20.08, stdev= 6.81, samples=38 lat (usec) : 250=0.26%, 500=0.13%, 750=1.30%, 1000=0.52% lat (msec) : 2=0.39%, 4=0.65%, 10=9.38%, 20=30.34%, 50=51.04% lat (msec) : 100=5.99% cpu : usr=0.11%, sys=27.68%, ctx=3121, 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=194863: Wed Feb 18 14:22:31 2026 read: IOPS=18, BW=302KiB/s (310kB/s)(5744KiB/18994msec) clat (usec): min=423, max=88765, avg=25994.57, stdev=14105.49 lat (usec): min=423, max=88766, avg=25995.46, stdev=14105.58 clat percentiles (usec): | 1.00th=[ 494], 5.00th=[ 840], 10.00th=[11600], 20.00th=[15401], | 30.00th=[18220], 40.00th=[20579], 50.00th=[23725], 60.00th=[26870], | 70.00th=[31327], 80.00th=[37487], 90.00th=[42730], 95.00th=[50594], | 99.00th=[76022], 99.50th=[78119], 99.90th=[88605], 99.95th=[88605], | 99.99th=[88605] bw ( KiB/s): min= 131, max= 544, per=24.34%, avg=303.05, stdev=107.99, samples=37 iops : min= 8, max= 34, avg=18.30, stdev= 6.82, samples=37 write: IOPS=21, BW=345KiB/s (353kB/s)(6544KiB/18994msec); 0 zone resets clat (usec): min=1842, max=93164, avg=23321.21, stdev=15954.55 lat (usec): min=1845, max=93167, avg=23323.03, stdev=15954.62 clat percentiles (usec): | 1.00th=[ 3163], 5.00th=[ 4752], 10.00th=[ 7242], 20.00th=[10683], | 30.00th=[13042], 40.00th=[15926], 50.00th=[18744], 60.00th=[23462], | 70.00th=[28705], 80.00th=[33817], 90.00th=[45351], 95.00th=[52167], | 99.00th=[79168], 99.50th=[83362], 99.90th=[92799], 99.95th=[92799], | 99.99th=[92799] bw ( KiB/s): min= 159, max= 541, per=26.27%, avg=344.16, stdev=96.79, samples=37 iops : min= 9, max= 33, avg=20.86, stdev= 6.11, samples=37 lat (usec) : 500=0.52%, 750=1.56%, 1000=0.39% lat (msec) : 2=0.52%, 4=1.30%, 10=8.46%, 20=32.68%, 50=49.09% lat (msec) : 100=5.47% cpu : usr=0.08%, sys=28.42%, ctx=2992, 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=194864: Wed Feb 18 14:22:31 2026 read: IOPS=20, BW=328KiB/s (336kB/s)(6256KiB/19081msec) clat (usec): min=202, max=111820, avg=25417.90, stdev=14478.83 lat (usec): min=204, max=111821, avg=25418.93, stdev=14478.87 clat percentiles (usec): | 1.00th=[ 486], 5.00th=[ 947], 10.00th=[ 10683], 20.00th=[ 14615], | 30.00th=[ 18220], 40.00th=[ 20579], 50.00th=[ 23725], 60.00th=[ 26608], | 70.00th=[ 30802], 80.00th=[ 34866], 90.00th=[ 43254], 95.00th=[ 52167], | 99.00th=[ 68682], 99.50th=[ 73925], 99.90th=[111674], 99.95th=[111674], | 99.99th=[111674] bw ( KiB/s): min= 127, max= 640, per=26.46%, avg=329.43, stdev=132.92, samples=37 iops : min= 7, max= 40, avg=19.95, stdev= 8.41, samples=37 write: IOPS=19, BW=316KiB/s (324kB/s)(6032KiB/19081msec); 0 zone resets clat (usec): min=1749, max=81289, avg=24006.13, stdev=15953.84 lat (usec): min=1750, max=81318, avg=24008.16, stdev=15954.20 clat percentiles (usec): | 1.00th=[ 3490], 5.00th=[ 4883], 10.00th=[ 6521], 20.00th=[10028], | 30.00th=[12911], 40.00th=[16581], 50.00th=[20055], 60.00th=[25297], | 70.00th=[30540], 80.00th=[37487], 90.00th=[46924], 95.00th=[56361], | 99.00th=[69731], 99.50th=[76022], 99.90th=[81265], 99.95th=[81265], | 99.99th=[81265] bw ( KiB/s): min= 160, max= 572, per=23.95%, avg=313.70, stdev=96.80, samples=37 iops : min= 10, max= 35, avg=18.95, stdev= 6.11, samples=37 lat (usec) : 250=0.26%, 500=0.39%, 750=1.30%, 1000=0.78% lat (msec) : 2=0.91%, 4=1.43%, 10=9.64%, 20=29.43%, 50=49.22% lat (msec) : 100=6.51%, 250=0.13% cpu : usr=0.13%, sys=27.67%, ctx=3101, 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=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=194865: Wed Feb 18 14:22:31 2026 read: IOPS=19, BW=314KiB/s (321kB/s)(6032KiB/19231msec) clat (usec): min=146, max=103576, avg=25936.20, stdev=14849.52 lat (usec): min=147, max=103577, avg=25937.28, stdev=14849.39 clat percentiles (usec): | 1.00th=[ 529], 5.00th=[ 938], 10.00th=[ 9896], 20.00th=[ 14353], | 30.00th=[ 18482], 40.00th=[ 21627], 50.00th=[ 24249], 60.00th=[ 28443], | 70.00th=[ 32113], 80.00th=[ 36963], 90.00th=[ 41681], 95.00th=[ 50594], | 99.00th=[ 78119], 99.50th=[ 85459], 99.90th=[103285], 99.95th=[103285], | 99.99th=[103285] bw ( KiB/s): min= 63, max= 512, per=24.99%, avg=311.11, stdev=94.98, samples=38 iops : min= 3, max= 32, avg=18.79, stdev= 6.06, samples=38 write: IOPS=20, BW=325KiB/s (333kB/s)(6256KiB/19231msec); 0 zone resets clat (usec): min=1896, max=85874, avg=23895.54, stdev=15788.65 lat (usec): min=1898, max=85876, avg=23897.51, stdev=15788.64 clat percentiles (usec): | 1.00th=[ 2737], 5.00th=[ 4817], 10.00th=[ 6194], 20.00th=[ 8979], | 30.00th=[13566], 40.00th=[17695], 50.00th=[20841], 60.00th=[25297], | 70.00th=[29754], 80.00th=[35390], 90.00th=[46924], 95.00th=[56361], | 99.00th=[70779], 99.50th=[74974], 99.90th=[85459], 99.95th=[85459], | 99.99th=[85459] bw ( KiB/s): min= 127, max= 539, per=24.87%, avg=325.82, stdev=106.44, samples=38 iops : min= 7, max= 33, avg=19.71, stdev= 6.56, samples=38 lat (usec) : 250=0.13%, 500=0.13%, 750=1.30%, 1000=1.43% lat (msec) : 2=1.17%, 4=1.17%, 10=11.59%, 20=24.61%, 50=51.82% lat (msec) : 100=6.51%, 250=0.13% cpu : usr=0.08%, sys=27.68%, ctx=2960, 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=1245KiB/s (1275kB/s), 302KiB/s-328KiB/s (310kB/s-336kB/s), io=23.4MiB (24.5MB), run=18994-19231msec WRITE: bw=1310KiB/s (1342kB/s), 316KiB/s-345KiB/s (324kB/s-353kB/s), io=24.6MiB (25.8MB), run=18994-19231msec rand-rw: (groupid=0, jobs=1): err= 0: pid=194857: Wed Feb 18 14:22:33 2026 read: IOPS=17, BW=279KiB/s (286kB/s)(5920KiB/21203msec) clat (msec): min=4, max=155, avg=24.22, stdev=18.77 lat (msec): min=4, max=155, avg=24.22, stdev=18.77 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 13], 40.00th=[ 16], 50.00th=[ 19], 60.00th=[ 22], | 70.00th=[ 28], 80.00th=[ 35], 90.00th=[ 51], 95.00th=[ 59], | 99.00th=[ 93], 99.50th=[ 103], 99.90th=[ 157], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 95, max= 864, per=24.71%, avg=278.02, stdev=164.20, samples=42 iops : min= 5, max= 54, avg=16.88, stdev=10.30, samples=42 write: IOPS=18, BW=300KiB/s (308kB/s)(6368KiB/21203msec); 0 zone resets clat (msec): min=6, max=109, avg=30.61, stdev=19.93 lat (msec): min=6, max=109, avg=30.61, stdev=19.93 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 21], 50.00th=[ 25], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 46], 90.00th=[ 60], 95.00th=[ 72], | 99.00th=[ 100], 99.50th=[ 109], 99.90th=[ 110], 99.95th=[ 110], | 99.99th=[ 110] bw ( KiB/s): min= 95, max= 832, per=25.34%, avg=299.79, stdev=178.64, samples=42 iops : min= 5, max= 52, avg=18.24, stdev=11.24, samples=42 lat (msec) : 10=15.23%, 20=30.86%, 50=39.71%, 100=13.54%, 250=0.65% cpu : usr=0.13%, sys=14.09%, ctx=1982, 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=194858: Wed Feb 18 14:22:33 2026 read: IOPS=16, BW=270KiB/s (277kB/s)(5744KiB/21263msec) clat (msec): min=4, max=109, avg=24.54, stdev=17.52 lat (msec): min=4, max=109, avg=24.54, stdev=17.52 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 23], | 70.00th=[ 27], 80.00th=[ 37], 90.00th=[ 52], 95.00th=[ 61], | 99.00th=[ 89], 99.50th=[ 97], 99.90th=[ 110], 99.95th=[ 110], | 99.99th=[ 110] bw ( KiB/s): min= 52, max= 832, per=23.75%, avg=267.14, stdev=157.52, samples=42 iops : min= 3, max= 52, avg=16.19, stdev= 9.90, samples=42 write: IOPS=19, BW=308KiB/s (315kB/s)(6544KiB/21263msec); 0 zone resets clat (msec): min=4, max=116, avg=30.27, stdev=19.99 lat (msec): min=4, max=116, avg=30.28, stdev=19.99 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 32], | 70.00th=[ 37], 80.00th=[ 44], 90.00th=[ 59], 95.00th=[ 69], | 99.00th=[ 90], 99.50th=[ 112], 99.90th=[ 116], 99.95th=[ 116], | 99.99th=[ 116] bw ( KiB/s): min= 127, max= 958, per=25.70%, avg=303.98, stdev=190.76, samples=42 iops : min= 7, max= 59, avg=18.50, stdev=11.98, samples=42 lat (msec) : 10=13.41%, 20=30.99%, 50=43.10%, 100=11.98%, 250=0.52% cpu : usr=0.07%, sys=14.42%, ctx=1877, 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=194859: Wed Feb 18 14:22:33 2026 read: IOPS=18, BW=294KiB/s (301kB/s)(6256KiB/21286msec) clat (usec): min=3545, max=94545, avg=24662.27, stdev=18981.48 lat (usec): min=3546, max=94547, avg=24663.29, stdev=18981.55 clat percentiles (usec): | 1.00th=[ 4686], 5.00th=[ 6390], 10.00th=[ 7439], 20.00th=[ 9241], | 30.00th=[11994], 40.00th=[14877], 50.00th=[17957], 60.00th=[21890], | 70.00th=[27919], 80.00th=[38011], 90.00th=[52167], 95.00th=[64226], | 99.00th=[88605], 99.50th=[88605], 99.90th=[94897], 99.95th=[94897], | 99.99th=[94897] bw ( KiB/s): min= 127, max= 1088, per=25.89%, avg=291.26, stdev=197.53, samples=42 iops : min= 7, max= 68, avg=17.69, stdev=12.40, samples=42 write: IOPS=17, BW=283KiB/s (290kB/s)(6032KiB/21286msec); 0 zone resets clat (msec): min=4, max=107, avg=30.81, stdev=20.31 lat (msec): min=4, max=107, avg=30.82, stdev=20.31 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 39], 80.00th=[ 46], 90.00th=[ 60], 95.00th=[ 72], | 99.00th=[ 97], 99.50th=[ 102], 99.90th=[ 108], 99.95th=[ 108], | 99.99th=[ 108] bw ( KiB/s): min= 63, max= 800, per=23.32%, avg=275.83, stdev=167.93, samples=42 iops : min= 3, max= 50, avg=16.74, stdev=10.55, samples=42 lat (msec) : 4=0.26%, 10=17.06%, 20=29.17%, 50=39.97%, 100=13.15% lat (msec) : 250=0.39% cpu : usr=0.10%, sys=13.95%, ctx=1844, 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=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=194860: Wed Feb 18 14:22:33 2026 read: IOPS=17, BW=285KiB/s (292kB/s)(6032KiB/21140msec) clat (usec): min=4480, max=93447, avg=24070.21, stdev=17380.97 lat (usec): min=4481, max=93448, avg=24071.20, stdev=17381.08 clat percentiles (usec): | 1.00th=[ 4883], 5.00th=[ 6587], 10.00th=[ 7635], 20.00th=[10159], | 30.00th=[12387], 40.00th=[15664], 50.00th=[18744], 60.00th=[22676], | 70.00th=[27395], 80.00th=[36963], 90.00th=[50070], 95.00th=[60031], | 99.00th=[82314], 99.50th=[90702], 99.90th=[93848], 99.95th=[93848], | 99.99th=[93848] bw ( KiB/s): min= 63, max= 894, per=24.38%, avg=274.24, stdev=173.09, samples=41 iops : min= 3, max= 55, avg=16.61, stdev=10.83, samples=41 write: IOPS=18, BW=296KiB/s (303kB/s)(6256KiB/21140msec); 0 zone resets clat (msec): min=5, max=142, avg=30.72, stdev=20.85 lat (msec): min=5, max=142, avg=30.72, stdev=20.85 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 25], 60.00th=[ 31], | 70.00th=[ 38], 80.00th=[ 45], 90.00th=[ 59], 95.00th=[ 73], | 99.00th=[ 101], 99.50th=[ 108], 99.90th=[ 142], 99.95th=[ 142], | 99.99th=[ 142] bw ( KiB/s): min= 127, max= 896, per=24.14%, avg=285.61, stdev=154.88, samples=41 iops : min= 7, max= 56, avg=17.34, stdev= 9.68, samples=41 lat (msec) : 10=13.41%, 20=32.29%, 50=41.80%, 100=11.98%, 250=0.52% cpu : usr=0.10%, sys=14.20%, ctx=1888, 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=1125KiB/s (1152kB/s), 270KiB/s-294KiB/s (277kB/s-301kB/s), io=23.4MiB (24.5MB), run=21140-21286msec WRITE: bw=1184KiB/s (1212kB/s), 283KiB/s-308KiB/s (290kB/s-315kB/s), io=24.6MiB (25.8MB), run=21140-21286msec 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=194873: Wed Feb 18 14:22:43 2026 read: IOPS=2, BW=3022KiB/s (3094kB/s)(7168KiB/2372msec) clat (msec): min=47, max=295, avg=131.22, stdev=89.79 lat (msec): min=47, max=295, avg=131.22, stdev=89.79 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 48], 10.00th=[ 48], 20.00th=[ 61], | 30.00th=[ 89], 40.00th=[ 89], 50.00th=[ 91], 60.00th=[ 129], | 70.00th=[ 129], 80.00th=[ 209], 90.00th=[ 296], 95.00th=[ 296], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 1872, max= 5296, per=79.79%, avg=3751.67, stdev=1736.46, samples=3 iops : min= 1, max= 5, avg= 3.00, stdev= 2.00, samples=3 write: IOPS=2, BW=2159KiB/s (2210kB/s)(5120KiB/2372msec); 0 zone resets clat (msec): min=76, max=433, avg=285.50, stdev=134.77 lat (msec): min=76, max=433, avg=285.60, stdev=134.77 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 77], | 30.00th=[ 245], 40.00th=[ 245], 50.00th=[ 334], 60.00th=[ 334], | 70.00th=[ 342], 80.00th=[ 342], 90.00th=[ 435], 95.00th=[ 435], | 99.00th=[ 435], 99.50th=[ 435], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 1765, max= 3744, per=38.14%, avg=2510.67, stdev=1075.86, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 50=8.33%, 100=33.33%, 250=25.00%, 500=33.33% cpu : usr=0.08%, sys=16.66%, ctx=319, 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=194874: Wed Feb 18 14:22:43 2026 read: IOPS=0, BW=506KiB/s (518kB/s)(2048KiB/4049msec) clat (msec): min=73, max=228, avg=151.17, stdev=109.64 lat (msec): min=73, max=228, avg=151.17, stdev=109.64 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 74], 10.00th=[ 74], 20.00th=[ 74], | 30.00th=[ 74], 40.00th=[ 74], 50.00th=[ 74], 60.00th=[ 230], | 70.00th=[ 230], 80.00th=[ 230], 90.00th=[ 230], 95.00th=[ 230], | 99.00th=[ 230], 99.50th=[ 230], 99.90th=[ 230], 99.95th=[ 230], | 99.99th=[ 230] bw ( KiB/s): min= 1771, max= 1872, per=38.74%, avg=1821.50, stdev=71.42, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2529KiB/s (2590kB/s)(10.0MiB/4049msec); 0 zone resets clat (msec): min=54, max=1231, avg=370.58, stdev=382.48 lat (msec): min=54, max=1231, avg=370.68, stdev=382.47 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 55], 10.00th=[ 55], 20.00th=[ 107], | 30.00th=[ 133], 40.00th=[ 138], 50.00th=[ 178], 60.00th=[ 188], | 70.00th=[ 409], 80.00th=[ 430], 90.00th=[ 844], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 1771, max= 6071, per=52.45%, avg=3452.50, stdev=2049.07, samples=4 iops : min= 1, max= 5, avg= 2.75, stdev= 2.06, samples=4 lat (msec) : 100=16.67%, 250=50.00%, 500=16.67%, 1000=8.33%, 2000=8.33% cpu : usr=0.02%, sys=18.23%, ctx=145, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=194875: Wed Feb 18 14:22:43 2026 read: IOPS=1, BW=1615KiB/s (1654kB/s)(6144KiB/3804msec) clat (msec): min=80, max=539, avg=261.45, stdev=204.90 lat (msec): min=80, max=539, avg=261.45, stdev=204.90 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 81], 10.00th=[ 81], 20.00th=[ 89], | 30.00th=[ 89], 40.00th=[ 103], 50.00th=[ 103], 60.00th=[ 288], | 70.00th=[ 472], 80.00th=[ 472], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 2048, max= 4047, per=67.94%, avg=3194.33, stdev=1031.35, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 write: IOPS=1, BW=1615KiB/s (1654kB/s)(6144KiB/3804msec); 0 zone resets clat (msec): min=66, max=1089, avg=370.40, stdev=386.81 lat (msec): min=67, max=1089, avg=370.51, stdev=386.80 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 72], | 30.00th=[ 72], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 300], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 1083], 95.00th=[ 1083], | 99.00th=[ 1083], 99.50th=[ 1083], 99.90th=[ 1083], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 1872, max= 5233, per=42.52%, avg=2799.00, stdev=1624.73, samples=4 iops : min= 1, max= 5, avg= 2.25, stdev= 1.89, samples=4 lat (msec) : 100=33.33%, 250=16.67%, 500=33.33%, 750=8.33%, 2000=8.33% cpu : usr=0.05%, sys=15.36%, ctx=151, 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=194876: Wed Feb 18 14:22:43 2026 read: IOPS=1, BW=1176KiB/s (1204kB/s)(5120KiB/4355msec) clat (msec): min=21, max=1349, avg=363.74, stdev=555.07 lat (msec): min=21, max=1349, avg=363.74, stdev=555.07 clat percentiles (msec): | 1.00th=[ 22], 5.00th=[ 22], 10.00th=[ 22], 20.00th=[ 22], | 30.00th=[ 109], 40.00th=[ 109], 50.00th=[ 125], 60.00th=[ 125], | 70.00th=[ 215], 80.00th=[ 215], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 3744, max= 4096, per=83.37%, avg=3920.00, stdev=248.90, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1646KiB/s (1685kB/s)(7168KiB/4355msec); 0 zone resets clat (msec): min=149, max=789, avg=348.93, stdev=214.77 lat (msec): min=149, max=789, avg=349.04, stdev=214.79 clat percentiles (msec): | 1.00th=[ 150], 5.00th=[ 150], 10.00th=[ 150], 20.00th=[ 213], | 30.00th=[ 215], 40.00th=[ 215], 50.00th=[ 305], 60.00th=[ 351], | 70.00th=[ 351], 80.00th=[ 422], 90.00th=[ 793], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 1768, max= 4096, per=44.75%, avg=2945.75, stdev=1300.75, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 50=8.33%, 250=50.00%, 500=25.00%, 1000=8.33%, 2000=8.33% cpu : usr=0.02%, sys=19.13%, ctx=160, 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=4703KiB/s (4816kB/s), 506KiB/s-3022KiB/s (518kB/s-3094kB/s), io=20.0MiB (20.0MB), run=2372-4355msec WRITE: bw=6584KiB/s (6742kB/s), 1615KiB/s-2529KiB/s (1654kB/s-2590kB/s), io=28.0MiB (29.4MB), run=2372-4355msec rand-rw: (groupid=0, jobs=1): err= 0: pid=194878: Wed Feb 18 14:22:43 2026 read: IOPS=2, BW=3055KiB/s (3129kB/s)(7168KiB/2346msec) clat (usec): min=1262, max=300757, avg=155421.69, stdev=89258.31 lat (usec): min=1264, max=300759, avg=155423.10, stdev=89258.20 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 1270], 10.00th=[ 1270], 20.00th=[117965], | 30.00th=[145753], 40.00th=[145753], 50.00th=[162530], 60.00th=[168821], | 70.00th=[168821], 80.00th=[189793], 90.00th=[299893], 95.00th=[299893], | 99.00th=[299893], 99.50th=[299893], 99.90th=[299893], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 1774, max= 5287, per=56.61%, avg=2789.25, stdev=1670.17, samples=4 iops : min= 1, max= 5, avg= 2.50, stdev= 1.73, samples=4 write: IOPS=2, BW=2182KiB/s (2235kB/s)(5120KiB/2346msec); 0 zone resets clat (msec): min=145, max=333, avg=238.05, stdev=87.18 lat (msec): min=145, max=333, avg=238.12, stdev=87.19 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 146], | 30.00th=[ 184], 40.00th=[ 184], 50.00th=[ 199], 60.00th=[ 199], | 70.00th=[ 330], 80.00th=[ 330], 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= 1774, max= 4096, per=38.26%, avg=2639.33, stdev=1268.93, samples=3 iops : min= 1, max= 4, avg= 2.33, stdev= 1.53, samples=3 lat (msec) : 2=8.33%, 250=66.67%, 500=25.00% cpu : usr=0.00%, sys=45.63%, ctx=662, 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=194879: Wed Feb 18 14:22:43 2026 read: IOPS=0, BW=493KiB/s (505kB/s)(2048KiB/4156msec) clat (usec): min=1013, max=395188, avg=198101.19, stdev=278723.87 lat (usec): min=1014, max=395191, avg=198103.34, stdev=278725.04 clat percentiles (usec): | 1.00th=[ 1012], 5.00th=[ 1012], 10.00th=[ 1012], 20.00th=[ 1012], | 30.00th=[ 1012], 40.00th=[ 1012], 50.00th=[ 1012], 60.00th=[396362], | 70.00th=[396362], 80.00th=[396362], 90.00th=[396362], 95.00th=[396362], | 99.00th=[396362], 99.50th=[396362], 99.90th=[396362], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 1744, max= 2048, per=38.48%, avg=1896.00, stdev=214.96, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2464KiB/s (2523kB/s)(10.0MiB/4156msec); 0 zone resets clat (msec): min=120, max=1391, avg=365.15, stdev=386.03 lat (msec): min=121, max=1391, avg=365.24, stdev=386.01 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 140], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 220], | 70.00th=[ 359], 80.00th=[ 414], 90.00th=[ 527], 95.00th=[ 1385], | 99.00th=[ 1385], 99.50th=[ 1385], 99.90th=[ 1385], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 1774, max= 6144, per=43.54%, avg=3003.50, stdev=2097.65, samples=4 iops : min= 1, max= 6, avg= 2.75, stdev= 2.22, samples=4 lat (msec) : 2=8.33%, 250=50.00%, 500=25.00%, 750=8.33%, 2000=8.33% cpu : usr=0.02%, sys=39.52%, ctx=363, 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=194880: Wed Feb 18 14:22:43 2026 read: IOPS=2, BW=2751KiB/s (2817kB/s)(6144KiB/2233msec) clat (usec): min=863, max=221911, avg=118586.35, stdev=101243.33 lat (usec): min=864, max=221912, avg=118587.69, stdev=101243.30 clat percentiles (usec): | 1.00th=[ 865], 5.00th=[ 865], 10.00th=[ 865], 20.00th=[ 1012], | 30.00th=[ 1012], 40.00th=[ 93848], 50.00th=[ 93848], 60.00th=[189793], | 70.00th=[202376], 80.00th=[202376], 90.00th=[221250], 95.00th=[221250], | 99.00th=[221250], 99.50th=[221250], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 2048, max= 7098, per=92.82%, avg=4573.00, stdev=3570.89, samples=2 iops : min= 2, max= 6, avg= 4.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2751KiB/s (2817kB/s)(6144KiB/2233msec); 0 zone resets clat (msec): min=173, max=393, avg=249.77, stdev=80.30 lat (msec): min=173, max=393, avg=249.84, stdev=80.32 clat percentiles (msec): | 1.00th=[ 174], 5.00th=[ 174], 10.00th=[ 174], 20.00th=[ 207], | 30.00th=[ 207], 40.00th=[ 213], 50.00th=[ 213], 60.00th=[ 222], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 393], 95.00th=[ 393], | 99.00th=[ 393], 99.50th=[ 393], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 1774, max= 3459, per=33.81%, avg=2332.25, stdev=762.19, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (usec) : 1000=8.33% lat (msec) : 2=8.33%, 100=8.33%, 250=58.33%, 500=16.67% cpu : usr=0.04%, sys=51.88%, ctx=353, 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=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=194881: Wed Feb 18 14:22:43 2026 read: IOPS=1, BW=1397KiB/s (1431kB/s)(5120KiB/3664msec) clat (usec): min=864, max=936313, avg=245653.22, stdev=393227.07 lat (usec): min=866, max=936314, avg=245654.56, stdev=393226.99 clat percentiles (usec): | 1.00th=[ 865], 5.00th=[ 865], 10.00th=[ 865], 20.00th=[ 865], | 30.00th=[ 914], 40.00th=[ 914], 50.00th=[117965], 60.00th=[117965], | 70.00th=[173016], 80.00th=[173016], 90.00th=[935330], 95.00th=[935330], | 99.00th=[935330], 99.50th=[935330], 99.90th=[935330], 99.95th=[935330], | 99.99th=[935330] bw ( KiB/s): min= 4096, max= 4096, per=83.13%, avg=4096.00, stdev= 0.00, samples=2 iops : min= 4, max= 4, avg= 4.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1956KiB/s (2003kB/s)(7168KiB/3664msec); 0 zone resets clat (msec): min=61, max=835, avg=335.27, stdev=267.63 lat (msec): min=61, max=835, avg=335.36, stdev=267.65 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 62], 10.00th=[ 62], 20.00th=[ 153], | 30.00th=[ 167], 40.00th=[ 167], 50.00th=[ 228], 60.00th=[ 414], | 70.00th=[ 414], 80.00th=[ 493], 90.00th=[ 835], 95.00th=[ 835], | 99.00th=[ 835], 99.50th=[ 835], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 2048, max= 3549, per=34.04%, avg=2348.20, stdev=671.27, samples=5 iops : min= 2, max= 3, avg= 2.20, stdev= 0.45, samples=5 lat (usec) : 1000=16.67% lat (msec) : 100=8.33%, 250=41.67%, 500=16.67%, 1000=16.67% cpu : usr=0.03%, sys=36.12%, ctx=1038, 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=4928KiB/s (5046kB/s), 493KiB/s-3055KiB/s (505kB/s-3129kB/s), io=20.0MiB (20.0MB), run=2233-4156msec WRITE: bw=6899KiB/s (7065kB/s), 1956KiB/s-2751KiB/s (2003kB/s-2817kB/s), io=28.0MiB (29.4MB), run=2233-4156msec 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=194892: Wed Feb 18 14:22:52 2026 read: IOPS=1, BW=7314KiB/s (7490kB/s)(12.0MiB/1680msec) clat (msec): min=364, max=870, avg=538.32, stdev=287.46 lat (msec): min=364, max=870, avg=538.32, stdev=287.46 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 363], 10.00th=[ 363], 20.00th=[ 363], | 30.00th=[ 363], 40.00th=[ 380], 50.00th=[ 380], 60.00th=[ 380], | 70.00th=[ 869], 80.00th=[ 869], 90.00th=[ 869], 95.00th=[ 869], | 99.00th=[ 869], 99.50th=[ 869], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.00%, sys=17.81%, ctx=64, 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=194893: Wed Feb 18 14:22:52 2026 read: IOPS=0, BW=2024KiB/s (2072kB/s)(4096KiB/2024msec) clat (nsec): min=1235.9M, max=1235.9M, avg=1235863842.00, stdev= 0.00 lat (nsec): min=1235.9M, max=1235.9M, avg=1235866930.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1234], 5.00th=[ 1234], 10.00th=[ 1234], 20.00th=[ 1234], | 30.00th=[ 1234], 40.00th=[ 1234], 50.00th=[ 1234], 60.00th=[ 1234], | 70.00th=[ 1234], 80.00th=[ 1234], 90.00th=[ 1234], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=4047KiB/s (4145kB/s)(8192KiB/2024msec); 0 zone resets clat (msec): min=182, max=579, avg=380.63, stdev=280.80 lat (msec): min=182, max=579, avg=381.05, stdev=280.79 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 182], 10.00th=[ 182], 20.00th=[ 182], | 30.00th=[ 182], 40.00th=[ 182], 50.00th=[ 182], 60.00th=[ 584], | 70.00th=[ 584], 80.00th=[ 584], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] lat (msec) : 250=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.05%, sys=15.03%, ctx=70, 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=194894: Wed Feb 18 14:22:52 2026 write: IOPS=1, BW=5899KiB/s (6041kB/s)(12.0MiB/2083msec); 0 zone resets clat (msec): min=209, max=1596, avg=680.72, stdev=793.26 lat (msec): min=210, max=1597, avg=681.35, stdev=793.58 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 209], 10.00th=[ 209], 20.00th=[ 209], | 30.00th=[ 209], 40.00th=[ 236], 50.00th=[ 236], 60.00th=[ 236], | 70.00th=[ 1603], 80.00th=[ 1603], 90.00th=[ 1603], 95.00th=[ 1603], | 99.00th=[ 1603], 99.50th=[ 1603], 99.90th=[ 1603], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 8192, max= 8192, per=52.15%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67%, 2000=33.33% cpu : usr=0.00%, sys=13.64%, ctx=91, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=194895: Wed Feb 18 14:22:52 2026 write: IOPS=1, BW=5891KiB/s (6032kB/s)(12.0MiB/2086msec); 0 zone resets clat (msec): min=208, max=1296, avg=684.26, stdev=556.29 lat (msec): min=209, max=1296, avg=684.55, stdev=556.17 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 209], 10.00th=[ 209], 20.00th=[ 209], | 30.00th=[ 209], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 1301], 80.00th=[ 1301], 90.00th=[ 1301], 95.00th=[ 1301], | 99.00th=[ 1301], 99.50th=[ 1301], 99.90th=[ 1301], 99.95th=[ 1301], | 99.99th=[ 1301] bw ( KiB/s): min= 5919, max= 8192, per=44.92%, avg=7055.50, stdev=1607.25, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=17.79%, ctx=62, 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=8095KiB/s (8289kB/s), 2024KiB/s-7314KiB/s (2072kB/s-7490kB/s), io=16.0MiB (16.8MB), run=1680-2024msec WRITE: bw=15.3MiB/s (16.1MB/s), 4047KiB/s-5899KiB/s (4145kB/s-6041kB/s), io=32.0MiB (33.6MB), run=2024-2086msec rand-rw: (groupid=0, jobs=1): err= 0: pid=194887: Wed Feb 18 14:22:52 2026 read: IOPS=1, BW=7144KiB/s (7316kB/s)(12.0MiB/1720msec) clat (msec): min=367, max=763, avg=523.29, stdev=210.94 lat (msec): min=367, max=763, avg=523.29, stdev=210.94 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 368], 10.00th=[ 368], 20.00th=[ 368], | 30.00th=[ 368], 40.00th=[ 439], 50.00th=[ 439], 60.00th=[ 439], | 70.00th=[ 760], 80.00th=[ 760], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 8143, max= 8143, per=89.87%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 1000=33.33% cpu : usr=0.00%, sys=46.13%, ctx=2457, 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=194889: Wed Feb 18 14:22:52 2026 read: IOPS=0, BW=2265KiB/s (2320kB/s)(4096KiB/1808msec) clat (nsec): min=770207k, max=770207k, avg=770206538.00, stdev= 0.00 lat (nsec): min=770209k, max=770209k, avg=770209130.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 768], 5.00th=[ 768], 10.00th=[ 768], 20.00th=[ 768], | 30.00th=[ 768], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 768], 80.00th=[ 768], 90.00th=[ 768], 95.00th=[ 768], | 99.00th=[ 768], 99.50th=[ 768], 99.90th=[ 768], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 8143, max= 8143, per=89.87%, 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=4531KiB/s (4640kB/s)(8192KiB/1808msec); 0 zone resets clat (msec): min=380, max=516, avg=448.58, stdev=96.76 lat (msec): min=380, max=517, avg=448.96, stdev=96.71 clat percentiles (msec): | 1.00th=[ 380], 5.00th=[ 380], 10.00th=[ 380], 20.00th=[ 380], | 30.00th=[ 380], 40.00th=[ 380], 50.00th=[ 380], 60.00th=[ 518], | 70.00th=[ 518], 80.00th=[ 518], 90.00th=[ 518], 95.00th=[ 518], | 99.00th=[ 518], 99.50th=[ 518], 99.90th=[ 518], 99.95th=[ 518], | 99.99th=[ 518] bw ( KiB/s): min= 8192, max= 8192, per=58.30%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=30.44%, ctx=557, 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=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=194890: Wed Feb 18 14:22:52 2026 write: IOPS=1, BW=5269KiB/s (5396kB/s)(12.0MiB/2332msec); 0 zone resets clat (msec): min=68, max=1912, avg=727.95, stdev=1027.83 lat (msec): min=68, max=1912, avg=728.15, stdev=1027.83 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 69], 10.00th=[ 69], 20.00th=[ 69], | 30.00th=[ 69], 40.00th=[ 203], 50.00th=[ 203], 60.00th=[ 203], | 70.00th=[ 1905], 80.00th=[ 1905], 90.00th=[ 1905], 95.00th=[ 1905], | 99.00th=[ 1905], 99.50th=[ 1905], 99.90th=[ 1905], 99.95th=[ 1905], | 99.99th=[ 1905] bw ( KiB/s): min= 8192, max= 8192, per=58.30%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 250=33.33%, 2000=33.33% cpu : usr=0.00%, sys=19.18%, ctx=94, 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=194891: Wed Feb 18 14:22:52 2026 write: IOPS=1, BW=6305KiB/s (6456kB/s)(12.0MiB/1949msec); 0 zone resets clat (msec): min=173, max=1270, avg=602.34, stdev=586.52 lat (msec): min=173, max=1271, avg=602.69, stdev=586.55 clat percentiles (msec): | 1.00th=[ 174], 5.00th=[ 174], 10.00th=[ 174], 20.00th=[ 174], | 30.00th=[ 174], 40.00th=[ 363], 50.00th=[ 363], 60.00th=[ 363], | 70.00th=[ 1267], 80.00th=[ 1267], 90.00th=[ 1267], 95.00th=[ 1267], | 99.00th=[ 1267], 99.50th=[ 1267], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min=11191, max=11191, per=79.65%, avg=11191.00, 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=0.00%, sys=19.76%, ctx=101, 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=9062KiB/s (9279kB/s), 2265KiB/s-7144KiB/s (2320kB/s-7316kB/s), io=16.0MiB (16.8MB), run=1720-1808msec WRITE: bw=13.7MiB/s (14.4MB/s), 4531KiB/s-6305KiB/s (4640kB/s-6456kB/s), io=32.0MiB (33.6MB), run=1808-2332msec