== sanity test 398b: DIO and buffer IO race ============== 06:41:56 (1783075316) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.09519 s, 16.3 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=181621: Fri Jul 3 06:43:03 2026 read: IOPS=25, BW=104KiB/s (106kB/s)(5992KiB/57792msec) clat (usec): min=28, max=715232, avg=20846.64, stdev=21214.33 lat (usec): min=29, max=715232, avg=20847.42, stdev=21214.37 clat percentiles (usec): | 1.00th=[ 99], 5.00th=[ 7177], 10.00th=[ 8848], 20.00th=[ 11076], | 30.00th=[ 13566], 40.00th=[ 16057], 50.00th=[ 18482], 60.00th=[ 21103], | 70.00th=[ 24249], 80.00th=[ 27919], 90.00th=[ 34341], 95.00th=[ 41681], | 99.00th=[ 57934], 99.50th=[ 68682], 99.90th=[ 92799], 99.95th=[717226], | 99.99th=[717226] bw ( KiB/s): min= 7, max= 248, per=24.90%, avg=103.35, stdev=36.91, samples=115 iops : min= 1, max= 62, avg=25.43, stdev= 9.27, samples=115 write: IOPS=27, BW=109KiB/s (112kB/s)(6296KiB/57792msec); 0 zone resets clat (usec): min=645, max=107118, avg=16740.90, stdev=12531.83 lat (usec): min=645, max=107119, avg=16748.74, stdev=12528.29 clat percentiles (usec): | 1.00th=[ 1045], 5.00th=[ 2704], 10.00th=[ 3326], 20.00th=[ 5473], | 30.00th=[ 8356], 40.00th=[ 11469], 50.00th=[ 14091], 60.00th=[ 17695], | 70.00th=[ 20841], 80.00th=[ 25822], 90.00th=[ 33817], 95.00th=[ 40633], | 99.00th=[ 55837], 99.50th=[ 63701], 99.90th=[ 90702], 99.95th=[107480], | 99.99th=[107480] bw ( KiB/s): min= 39, max= 272, per=25.18%, avg=109.52, stdev=39.68, samples=114 iops : min= 9, max= 68, avg=26.97, stdev=10.00, samples=114 lat (usec) : 50=0.10%, 100=0.39%, 250=0.55%, 500=0.03%, 750=0.07% lat (usec) : 1000=0.39% lat (msec) : 2=0.94%, 4=5.73%, 10=16.96%, 20=36.72%, 50=36.17% lat (msec) : 100=1.89%, 250=0.03%, 750=0.03% cpu : usr=0.09%, sys=25.86%, ctx=10027, 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=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=181623: Fri Jul 3 06:43:03 2026 read: IOPS=25, BW=104KiB/s (106kB/s)(5940KiB/57140msec) clat (usec): min=32, max=91712, avg=20585.08, stdev=10928.77 lat (usec): min=33, max=91713, avg=20585.79, stdev=10928.85 clat percentiles (usec): | 1.00th=[ 106], 5.00th=[ 7898], 10.00th=[ 9503], 20.00th=[11994], | 30.00th=[13960], 40.00th=[16188], 50.00th=[18482], 60.00th=[21103], | 70.00th=[23987], 80.00th=[28443], 90.00th=[34341], 95.00th=[40109], | 99.00th=[57410], 99.50th=[62653], 99.90th=[83362], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 7, max= 192, per=24.90%, avg=103.34, stdev=33.52, samples=113 iops : min= 1, max= 48, avg=25.42, stdev= 8.40, samples=113 write: IOPS=27, BW=111KiB/s (114kB/s)(6348KiB/57140msec); 0 zone resets clat (usec): min=691, max=710605, avg=16619.17, stdev=21358.14 lat (usec): min=691, max=710606, avg=16619.98, stdev=21358.18 clat percentiles (usec): | 1.00th=[ 1106], 5.00th=[ 2704], 10.00th=[ 3294], 20.00th=[ 4948], | 30.00th=[ 7570], 40.00th=[ 10421], 50.00th=[ 13304], 60.00th=[ 16712], | 70.00th=[ 20579], 80.00th=[ 26084], 90.00th=[ 33162], 95.00th=[ 40633], | 99.00th=[ 55837], 99.50th=[ 60556], 99.90th=[ 68682], 99.95th=[708838], | 99.99th=[708838] bw ( KiB/s): min= 39, max= 215, per=25.52%, avg=111.00, stdev=39.91, samples=112 iops : min= 9, max= 53, avg=27.34, stdev=10.04, samples=112 lat (usec) : 50=0.10%, 100=0.36%, 250=0.46%, 500=0.03%, 750=0.07% lat (usec) : 1000=0.20% lat (msec) : 2=0.81%, 4=7.39%, 10=16.18%, 20=37.01%, 50=35.55% lat (msec) : 100=1.82%, 750=0.03% cpu : usr=0.11%, sys=26.32%, ctx=9803, 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=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=181625: Fri Jul 3 06:43:03 2026 read: IOPS=26, BW=107KiB/s (109kB/s)(6028KiB/56401msec) clat (usec): min=25, max=86007, avg=19605.34, stdev=10463.65 lat (usec): min=25, max=86008, avg=19606.13, stdev=10463.73 clat percentiles (usec): | 1.00th=[ 96], 5.00th=[ 7242], 10.00th=[ 8979], 20.00th=[11076], | 30.00th=[13304], 40.00th=[15533], 50.00th=[17695], 60.00th=[20317], | 70.00th=[23200], 80.00th=[27657], 90.00th=[33162], 95.00th=[38536], | 99.00th=[50070], 99.50th=[55313], 99.90th=[76022], 99.95th=[86508], | 99.99th=[86508] bw ( KiB/s): min= 32, max= 200, per=25.92%, avg=107.58, stdev=35.97, samples=111 iops : min= 8, max= 50, avg=26.50, stdev= 9.04, samples=111 write: IOPS=27, BW=111KiB/s (114kB/s)(6260KiB/56401msec); 0 zone resets clat (usec): min=700, max=705589, avg=17021.94, stdev=21235.69 lat (usec): min=701, max=705590, avg=17023.41, stdev=21236.37 clat percentiles (usec): | 1.00th=[ 1205], 5.00th=[ 2671], 10.00th=[ 3261], 20.00th=[ 5080], | 30.00th=[ 8225], 40.00th=[ 11207], 50.00th=[ 14091], 60.00th=[ 17433], | 70.00th=[ 21365], 80.00th=[ 26346], 90.00th=[ 34341], 95.00th=[ 39584], | 99.00th=[ 55837], 99.50th=[ 62129], 99.90th=[ 76022], 99.95th=[708838], | 99.99th=[708838] bw ( KiB/s): min= 15, max= 232, per=25.43%, avg=110.62, stdev=39.72, samples=112 iops : min= 3, max= 58, avg=27.25, stdev= 9.99, samples=112 lat (usec) : 50=0.13%, 100=0.49%, 250=0.91%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.10% lat (msec) : 2=1.37%, 4=6.05%, 10=16.18%, 20=37.66%, 50=35.84% lat (msec) : 100=1.14%, 750=0.03% cpu : usr=0.11%, sys=26.54%, ctx=9870, 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=181627: Fri Jul 3 06:43:03 2026 read: IOPS=26, BW=105KiB/s (108kB/s)(6052KiB/57427msec) clat (usec): min=29, max=71844, avg=20181.01, stdev=10812.84 lat (usec): min=29, max=71845, avg=20182.27, stdev=10812.83 clat percentiles (usec): | 1.00th=[ 120], 5.00th=[ 7570], 10.00th=[ 9110], 20.00th=[11076], | 30.00th=[13173], 40.00th=[15795], 50.00th=[17957], 60.00th=[20841], | 70.00th=[23987], 80.00th=[28705], 90.00th=[34341], 95.00th=[41157], | 99.00th=[54789], 99.50th=[58983], 99.90th=[68682], 99.95th=[71828], | 99.99th=[71828] bw ( KiB/s): min= 24, max= 216, per=25.51%, avg=105.88, stdev=34.94, samples=113 iops : min= 6, max= 54, avg=26.06, stdev= 8.74, samples=113 write: IOPS=27, BW=109KiB/s (111kB/s)(6236KiB/57427msec); 0 zone resets clat (usec): min=715, max=737634, avg=17127.58, stdev=21997.70 lat (usec): min=716, max=737635, avg=17128.52, stdev=21997.73 clat percentiles (usec): | 1.00th=[ 1045], 5.00th=[ 2671], 10.00th=[ 3195], 20.00th=[ 4948], | 30.00th=[ 7898], 40.00th=[ 11469], 50.00th=[ 14615], 60.00th=[ 17695], | 70.00th=[ 21365], 80.00th=[ 26084], 90.00th=[ 33162], 95.00th=[ 41157], | 99.00th=[ 54264], 99.50th=[ 60556], 99.90th=[ 76022], 99.95th=[734004], | 99.99th=[734004] bw ( KiB/s): min= 32, max= 231, per=25.06%, avg=109.00, stdev=39.13, samples=113 iops : min= 8, max= 57, avg=26.84, stdev= 9.79, samples=113 lat (usec) : 50=0.07%, 100=0.16%, 250=0.88%, 500=0.03%, 750=0.03% lat (usec) : 1000=0.46% lat (msec) : 2=0.88%, 4=6.61%, 10=16.24%, 20=35.55%, 50=37.37% lat (msec) : 100=1.69%, 750=0.03% cpu : usr=0.09%, sys=26.09%, ctx=10040, 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=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=415KiB/s (425kB/s), 104KiB/s-107KiB/s (106kB/s-109kB/s), io=23.4MiB (24.6MB), run=56401-57792msec WRITE: bw=435KiB/s (445kB/s), 109KiB/s-111KiB/s (111kB/s-114kB/s), io=24.6MiB (25.7MB), run=56401-57792msec rand-rw: (groupid=0, jobs=1): err= 0: pid=181620: Fri Jul 3 06:43:09 2026 read: IOPS=23, BW=93.6KiB/s (95.8kB/s)(5992KiB/64027msec) clat (msec): min=2, max=718, avg=18.83, stdev=22.86 lat (msec): min=2, max=718, avg=18.83, stdev=22.86 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 9], 40.00th=[ 12], 50.00th=[ 15], 60.00th=[ 19], | 70.00th=[ 23], 80.00th=[ 29], 90.00th=[ 39], 95.00th=[ 47], | 99.00th=[ 67], 99.50th=[ 70], 99.90th=[ 81], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 24, max= 400, per=24.94%, avg=93.53, stdev=70.18, samples=126 iops : min= 6, max= 100, avg=23.02, stdev=17.64, samples=126 write: IOPS=24, BW=98.3KiB/s (101kB/s)(6296KiB/64027msec); 0 zone resets clat (msec): min=3, max=120, avg=22.64, stdev=15.85 lat (msec): min=3, max=120, avg=22.64, stdev=15.85 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 8], | 30.00th=[ 11], 40.00th=[ 15], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 35], 90.00th=[ 45], 95.00th=[ 53], | 99.00th=[ 71], 99.50th=[ 86], 99.90th=[ 108], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 16, max= 408, per=24.99%, avg=97.98, stdev=70.58, samples=126 iops : min= 4, max= 102, avg=24.13, stdev=17.76, samples=126 lat (msec) : 4=1.33%, 10=30.99%, 20=25.68%, 50=36.95%, 100=4.95% lat (msec) : 250=0.07%, 750=0.03% cpu : usr=0.08%, sys=14.63%, ctx=6702, 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=181622: Fri Jul 3 06:43:09 2026 read: IOPS=23, BW=92.9KiB/s (95.2kB/s)(5940KiB/63915msec) clat (msec): min=2, max=731, avg=18.47, stdev=23.36 lat (msec): min=2, max=731, avg=18.47, stdev=23.36 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 9], 40.00th=[ 12], 50.00th=[ 14], 60.00th=[ 18], | 70.00th=[ 22], 80.00th=[ 28], 90.00th=[ 39], 95.00th=[ 46], | 99.00th=[ 68], 99.50th=[ 78], 99.90th=[ 108], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 8, max= 368, per=24.87%, avg=93.26, stdev=70.57, samples=126 iops : min= 2, max= 92, avg=22.95, stdev=17.76, samples=126 write: IOPS=24, BW=99.3KiB/s (102kB/s)(6348KiB/63915msec); 0 zone resets clat (msec): min=4, max=121, avg=22.87, stdev=15.64 lat (msec): min=4, max=121, avg=22.88, stdev=15.64 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 12], 40.00th=[ 16], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 35], 90.00th=[ 45], 95.00th=[ 53], | 99.00th=[ 72], 99.50th=[ 81], 99.90th=[ 106], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 31, max= 368, per=25.38%, avg=99.50, stdev=70.62, samples=126 iops : min= 7, max= 92, avg=24.51, stdev=17.77, samples=126 lat (msec) : 4=1.33%, 10=29.13%, 20=28.71%, 50=35.97%, 100=4.72% lat (msec) : 250=0.10%, 750=0.03% cpu : usr=0.08%, sys=14.39%, ctx=6609, 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=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=181624: Fri Jul 3 06:43:09 2026 read: IOPS=23, BW=94.2KiB/s (96.5kB/s)(6028KiB/63966msec) clat (msec): min=2, max=111, avg=18.03, stdev=14.40 lat (msec): min=2, max=111, avg=18.03, stdev=14.40 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 12], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 22], 80.00th=[ 28], 90.00th=[ 38], 95.00th=[ 48], | 99.00th=[ 69], 99.50th=[ 81], 99.90th=[ 93], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 16, max= 400, per=25.16%, avg=94.35, stdev=73.24, samples=126 iops : min= 4, max= 100, avg=23.22, stdev=18.40, samples=126 write: IOPS=24, BW=97.9KiB/s (100kB/s)(6260KiB/63966msec); 0 zone resets clat (msec): min=4, max=733, avg=23.40, stdev=23.81 lat (msec): min=4, max=733, avg=23.40, stdev=23.81 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 12], 40.00th=[ 16], 50.00th=[ 20], 60.00th=[ 25], | 70.00th=[ 30], 80.00th=[ 36], 90.00th=[ 46], 95.00th=[ 54], | 99.00th=[ 71], 99.50th=[ 73], 99.90th=[ 107], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 31, max= 344, per=24.93%, avg=97.73, stdev=68.35, samples=126 iops : min= 7, max= 86, avg=24.06, stdev=17.22, samples=126 lat (msec) : 4=1.40%, 10=30.27%, 20=27.86%, 50=35.12%, 100=5.24% lat (msec) : 250=0.07%, 750=0.03% cpu : usr=0.08%, sys=14.32%, ctx=6674, 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=181626: Fri Jul 3 06:43:09 2026 read: IOPS=23, BW=94.8KiB/s (97.1kB/s)(6052KiB/63833msec) clat (usec): min=2733, max=85421, avg=18735.93, stdev=14227.49 lat (usec): min=2733, max=85422, avg=18736.64, stdev=14227.57 clat percentiles (usec): | 1.00th=[ 3425], 5.00th=[ 4424], 10.00th=[ 4948], 20.00th=[ 6063], | 30.00th=[ 8717], 40.00th=[11994], 50.00th=[15008], 60.00th=[18482], | 70.00th=[22414], 80.00th=[28967], 90.00th=[38536], 95.00th=[46924], | 99.00th=[64750], 99.50th=[70779], 99.90th=[78119], 99.95th=[85459], | 99.99th=[85459] bw ( KiB/s): min= 23, max= 344, per=25.42%, avg=95.31, stdev=67.49, samples=126 iops : min= 5, max= 86, avg=23.46, stdev=16.98, samples=126 write: IOPS=24, BW=97.7KiB/s (100kB/s)(6236KiB/63833msec); 0 zone resets clat (msec): min=4, max=732, avg=22.65, stdev=23.44 lat (msec): min=4, max=732, avg=22.65, stdev=23.44 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 15], 50.00th=[ 19], 60.00th=[ 24], | 70.00th=[ 29], 80.00th=[ 34], 90.00th=[ 43], 95.00th=[ 51], | 99.00th=[ 71], 99.50th=[ 85], 99.90th=[ 101], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 15, max= 360, per=25.04%, avg=98.16, stdev=70.49, samples=126 iops : min= 3, max= 90, avg=24.17, stdev=17.74, samples=126 lat (msec) : 4=1.07%, 10=29.46%, 20=28.06%, 50=36.65%, 100=4.69% lat (msec) : 250=0.03%, 750=0.03% cpu : usr=0.07%, sys=14.61%, ctx=6750, 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=375KiB/s (384kB/s), 92.9KiB/s-94.8KiB/s (95.2kB/s-97.1kB/s), io=23.4MiB (24.6MB), run=63833-64027msec WRITE: bw=393KiB/s (402kB/s), 97.7KiB/s-99.3KiB/s (100kB/s-102kB/s), io=24.6MiB (25.7MB), run=63833-64027msec 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=181655: Fri Jul 3 06:43:29 2026 read: IOPS=26, BW=423KiB/s (433kB/s)(5920KiB/14009msec) clat (usec): min=52, max=61976, avg=18872.34, stdev=10215.02 lat (usec): min=52, max=61976, avg=18872.87, stdev=10215.04 clat percentiles (usec): | 1.00th=[ 89], 5.00th=[ 7701], 10.00th=[ 9241], 20.00th=[11207], | 30.00th=[12911], 40.00th=[14746], 50.00th=[16909], 60.00th=[19268], | 70.00th=[21890], 80.00th=[25822], 90.00th=[32113], 95.00th=[40633], | 99.00th=[49021], 99.50th=[57410], 99.90th=[62129], 99.95th=[62129], | 99.99th=[62129] bw ( KiB/s): min= 192, max= 637, per=24.87%, avg=420.48, stdev=112.77, samples=27 iops : min= 12, max= 39, avg=25.85, stdev= 7.00, samples=27 write: IOPS=28, BW=455KiB/s (465kB/s)(6368KiB/14009msec); 0 zone resets clat (usec): min=1222, max=60951, avg=17595.36, stdev=11310.25 lat (usec): min=1223, max=60952, avg=17596.40, stdev=11310.28 clat percentiles (usec): | 1.00th=[ 2089], 5.00th=[ 3785], 10.00th=[ 4686], 20.00th=[ 6980], | 30.00th=[ 9634], 40.00th=[12780], 50.00th=[15533], 60.00th=[18482], | 70.00th=[21890], 80.00th=[27919], 90.00th=[34866], 95.00th=[39060], | 99.00th=[47449], 99.50th=[58983], 99.90th=[61080], 99.95th=[61080], | 99.99th=[61080] bw ( KiB/s): min= 255, max= 640, per=25.77%, avg=458.52, stdev=100.24, samples=27 iops : min= 15, max= 40, avg=28.26, stdev= 6.31, samples=27 lat (usec) : 100=1.04%, 250=0.91%, 500=0.13% lat (msec) : 2=0.52%, 4=2.86%, 10=16.67%, 20=42.32%, 50=35.03% lat (msec) : 100=0.52% cpu : usr=0.06%, sys=27.42%, ctx=2820, 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=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=181656: Fri Jul 3 06:43:29 2026 read: IOPS=25, BW=411KiB/s (421kB/s)(5744KiB/13987msec) clat (usec): min=78, max=66548, avg=19348.69, stdev=10181.63 lat (usec): min=79, max=66550, avg=19349.25, stdev=10181.70 clat percentiles (usec): | 1.00th=[ 87], 5.00th=[ 8225], 10.00th=[ 9634], 20.00th=[11863], | 30.00th=[13435], 40.00th=[15401], 50.00th=[17957], 60.00th=[20055], | 70.00th=[22938], 80.00th=[25297], 90.00th=[31851], 95.00th=[36963], | 99.00th=[51119], 99.50th=[65799], 99.90th=[66323], 99.95th=[66323], | 99.99th=[66323] bw ( KiB/s): min= 191, max= 606, per=24.36%, avg=411.96, stdev=111.94, samples=27 iops : min= 11, max= 37, avg=25.33, stdev= 7.08, samples=27 write: IOPS=29, BW=468KiB/s (479kB/s)(6544KiB/13987msec); 0 zone resets clat (usec): min=1089, max=70310, avg=17036.99, stdev=11787.98 lat (usec): min=1090, max=70311, avg=17037.97, stdev=11788.07 clat percentiles (usec): | 1.00th=[ 2089], 5.00th=[ 3949], 10.00th=[ 4490], 20.00th=[ 5997], | 30.00th=[ 9765], 40.00th=[11731], 50.00th=[14222], 60.00th=[17695], | 70.00th=[21103], 80.00th=[25822], 90.00th=[33162], 95.00th=[38011], | 99.00th=[55313], 99.50th=[65274], 99.90th=[70779], 99.95th=[70779], | 99.99th=[70779] bw ( KiB/s): min= 224, max= 734, per=25.81%, avg=459.19, stdev=123.79, samples=27 iops : min= 14, max= 45, avg=28.30, stdev= 7.59, samples=27 lat (usec) : 100=0.91%, 250=1.17% lat (msec) : 2=0.52%, 4=2.73%, 10=16.28%, 20=42.06%, 50=34.64% lat (msec) : 100=1.69% cpu : usr=0.09%, sys=28.06%, ctx=2813, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=181657: Fri Jul 3 06:43:29 2026 read: IOPS=27, BW=442KiB/s (452kB/s)(6256KiB/14164msec) clat (usec): min=33, max=64106, avg=19600.70, stdev=11015.72 lat (usec): min=34, max=64107, avg=19601.35, stdev=11015.76 clat percentiles (usec): | 1.00th=[ 79], 5.00th=[ 127], 10.00th=[ 9241], 20.00th=[12125], | 30.00th=[13698], 40.00th=[15533], 50.00th=[17695], 60.00th=[20317], | 70.00th=[22676], 80.00th=[27132], 90.00th=[33424], 95.00th=[40109], | 99.00th=[56886], 99.50th=[61604], 99.90th=[64226], 99.95th=[64226], | 99.99th=[64226] bw ( KiB/s): min= 159, max= 698, per=26.23%, avg=443.54, stdev=132.84, samples=28 iops : min= 9, max= 43, avg=27.32, stdev= 8.41, samples=28 write: IOPS=26, BW=426KiB/s (436kB/s)(6032KiB/14164msec); 0 zone resets clat (usec): min=1225, max=68806, avg=16983.80, stdev=11420.78 lat (usec): min=1227, max=68809, avg=16985.05, stdev=11420.80 clat percentiles (usec): | 1.00th=[ 1844], 5.00th=[ 3916], 10.00th=[ 4686], 20.00th=[ 6718], | 30.00th=[ 9241], 40.00th=[12125], 50.00th=[14353], 60.00th=[17695], | 70.00th=[21365], 80.00th=[25822], 90.00th=[30802], 95.00th=[40109], | 99.00th=[52167], 99.50th=[58459], 99.90th=[68682], 99.95th=[68682], | 99.99th=[68682] bw ( KiB/s): min= 192, max= 736, per=23.98%, avg=426.54, stdev=138.00, samples=28 iops : min= 12, max= 46, avg=26.25, stdev= 8.67, samples=28 lat (usec) : 50=0.26%, 100=1.17%, 250=1.95% lat (msec) : 2=0.78%, 4=2.08%, 10=15.10%, 20=41.02%, 50=35.55% lat (msec) : 100=2.08% cpu : usr=0.11%, sys=27.23%, ctx=2865, 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=181658: Fri Jul 3 06:43:29 2026 read: IOPS=27, BW=436KiB/s (446kB/s)(6032KiB/13849msec) clat (usec): min=40, max=64044, avg=18971.13, stdev=11025.34 lat (usec): min=41, max=64045, avg=18971.80, stdev=11025.47 clat percentiles (usec): | 1.00th=[ 91], 5.00th=[ 124], 10.00th=[ 8717], 20.00th=[11338], | 30.00th=[13304], 40.00th=[15008], 50.00th=[17957], 60.00th=[20055], | 70.00th=[22152], 80.00th=[25822], 90.00th=[31589], 95.00th=[40109], | 99.00th=[59507], 99.50th=[62129], 99.90th=[64226], 99.95th=[64226], | 99.99th=[64226] bw ( KiB/s): min= 231, max= 704, per=25.69%, avg=434.41, stdev=125.75, samples=27 iops : min= 14, max= 44, avg=26.74, stdev= 7.81, samples=27 write: IOPS=28, BW=452KiB/s (463kB/s)(6256KiB/13849msec); 0 zone resets clat (usec): min=880, max=57195, avg=16836.66, stdev=10986.78 lat (usec): min=880, max=57196, avg=16837.66, stdev=10986.78 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[ 4113], 10.00th=[ 4817], 20.00th=[ 6783], | 30.00th=[ 9634], 40.00th=[11863], 50.00th=[14353], 60.00th=[16909], | 70.00th=[21365], 80.00th=[25035], 90.00th=[32637], 95.00th=[39584], | 99.00th=[49546], 99.50th=[52167], 99.90th=[57410], 99.95th=[57410], | 99.99th=[57410] bw ( KiB/s): min= 283, max= 672, per=25.33%, avg=450.59, stdev=105.97, samples=27 iops : min= 17, max= 42, avg=27.74, stdev= 6.67, samples=27 lat (usec) : 50=0.26%, 100=0.78%, 250=2.47%, 1000=0.26% lat (msec) : 2=0.78%, 4=1.43%, 10=17.84%, 20=39.97%, 50=34.64% lat (msec) : 100=1.56% cpu : usr=0.09%, sys=27.77%, ctx=2774, 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=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=1691KiB/s (1732kB/s), 411KiB/s-442KiB/s (421kB/s-452kB/s), io=23.4MiB (24.5MB), run=13849-14164msec WRITE: bw=1779KiB/s (1822kB/s), 426KiB/s-468KiB/s (436kB/s-479kB/s), io=24.6MiB (25.8MB), run=13849-14164msec rand-rw: (groupid=0, jobs=1): err= 0: pid=181650: Fri Jul 3 06:43:30 2026 read: IOPS=23, BW=375KiB/s (384kB/s)(5920KiB/15776msec) clat (usec): min=3002, max=86828, avg=18782.74, stdev=14461.46 lat (usec): min=3002, max=86829, avg=18783.30, stdev=14461.48 clat percentiles (usec): | 1.00th=[ 3752], 5.00th=[ 4948], 10.00th=[ 5538], 20.00th=[ 6915], | 30.00th=[ 9503], 40.00th=[11600], 50.00th=[14091], 60.00th=[16188], | 70.00th=[22152], 80.00th=[29230], 90.00th=[39060], 95.00th=[50594], | 99.00th=[66323], 99.50th=[77071], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] bw ( KiB/s): min= 128, max= 1024, per=24.21%, avg=367.10, stdev=218.94, samples=31 iops : min= 8, max= 64, avg=22.19, stdev=13.80, samples=31 write: IOPS=25, BW=404KiB/s (413kB/s)(6368KiB/15776msec); 0 zone resets clat (usec): min=4808, max=79770, avg=22075.13, stdev=14703.06 lat (usec): min=4809, max=79771, avg=22076.45, stdev=14703.22 clat percentiles (usec): | 1.00th=[ 5669], 5.00th=[ 6652], 10.00th=[ 7439], 20.00th=[ 9110], | 30.00th=[11600], 40.00th=[14353], 50.00th=[17957], 60.00th=[22414], | 70.00th=[26346], 80.00th=[34341], 90.00th=[43254], 95.00th=[50594], | 99.00th=[72877], 99.50th=[74974], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 159, max= 1216, per=25.09%, avg=400.13, stdev=238.19, samples=31 iops : min= 9, max= 76, avg=24.29, stdev=15.03, samples=31 lat (msec) : 4=0.65%, 10=27.73%, 20=32.29%, 50=34.11%, 100=5.21% cpu : usr=0.08%, sys=13.86%, ctx=1698, 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=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=181651: Fri Jul 3 06:43:30 2026 read: IOPS=22, BW=364KiB/s (373kB/s)(5744KiB/15760msec) clat (usec): min=3097, max=79931, avg=17949.99, stdev=13148.11 lat (usec): min=3098, max=79932, avg=17950.61, stdev=13148.14 clat percentiles (usec): | 1.00th=[ 4228], 5.00th=[ 5276], 10.00th=[ 5932], 20.00th=[ 7308], | 30.00th=[10028], 40.00th=[11731], 50.00th=[14091], 60.00th=[16450], | 70.00th=[20055], 80.00th=[25560], 90.00th=[35914], 95.00th=[46400], | 99.00th=[61604], 99.50th=[78119], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 127, max= 992, per=23.77%, avg=360.39, stdev=197.63, samples=31 iops : min= 7, max= 62, avg=21.77, stdev=12.50, samples=31 write: IOPS=25, BW=415KiB/s (425kB/s)(6544KiB/15760msec); 0 zone resets clat (usec): min=4237, max=82417, avg=22694.80, stdev=15183.45 lat (usec): min=4238, max=82419, avg=22696.01, stdev=15183.64 clat percentiles (usec): | 1.00th=[ 5866], 5.00th=[ 6980], 10.00th=[ 7504], 20.00th=[ 9503], | 30.00th=[12256], 40.00th=[14746], 50.00th=[18482], 60.00th=[22938], | 70.00th=[27919], 80.00th=[33162], 90.00th=[42730], 95.00th=[54264], | 99.00th=[72877], 99.50th=[79168], 99.90th=[82314], 99.95th=[82314], | 99.99th=[82314] bw ( KiB/s): min= 191, max= 1120, per=25.68%, avg=409.55, stdev=245.64, samples=31 iops : min= 11, max= 70, avg=24.87, stdev=15.50, samples=31 lat (msec) : 4=0.39%, 10=25.13%, 20=35.42%, 50=34.51%, 100=4.56% cpu : usr=0.10%, sys=14.14%, ctx=1748, 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=181652: Fri Jul 3 06:43:30 2026 read: IOPS=24, BW=396KiB/s (406kB/s)(6256KiB/15793msec) clat (usec): min=4072, max=81597, avg=18209.69, stdev=14039.00 lat (usec): min=4073, max=81598, avg=18210.39, stdev=14038.98 clat percentiles (usec): | 1.00th=[ 4686], 5.00th=[ 5342], 10.00th=[ 5800], 20.00th=[ 6980], | 30.00th=[ 9634], 40.00th=[11207], 50.00th=[13042], 60.00th=[15664], | 70.00th=[19792], 80.00th=[27395], 90.00th=[39584], 95.00th=[47973], | 99.00th=[67634], 99.50th=[78119], 99.90th=[81265], 99.95th=[81265], | 99.99th=[81265] bw ( KiB/s): min= 191, max= 1408, per=25.98%, avg=393.87, stdev=254.76, samples=31 iops : min= 11, max= 88, avg=23.87, stdev=16.09, samples=31 write: IOPS=23, BW=382KiB/s (391kB/s)(6032KiB/15793msec); 0 zone resets clat (usec): min=4079, max=91650, avg=22870.16, stdev=14122.80 lat (usec): min=4079, max=91651, avg=22871.54, stdev=14122.87 clat percentiles (usec): | 1.00th=[ 5538], 5.00th=[ 6390], 10.00th=[ 7439], 20.00th=[ 9372], | 30.00th=[12387], 40.00th=[16188], 50.00th=[20579], 60.00th=[24511], | 70.00th=[29230], 80.00th=[34341], 90.00th=[42206], 95.00th=[49021], | 99.00th=[67634], 99.50th=[70779], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 159, max= 1117, per=23.46%, avg=374.16, stdev=214.40, samples=31 iops : min= 9, max= 69, avg=22.65, stdev=13.51, samples=31 lat (msec) : 10=26.82%, 20=33.33%, 50=35.94%, 100=3.91% cpu : usr=0.10%, sys=13.67%, ctx=1644, 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=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=181653: Fri Jul 3 06:43:30 2026 read: IOPS=24, BW=385KiB/s (394kB/s)(6032KiB/15686msec) clat (usec): min=3896, max=79281, avg=18237.97, stdev=13911.11 lat (usec): min=3896, max=79282, avg=18238.61, stdev=13911.14 clat percentiles (usec): | 1.00th=[ 4752], 5.00th=[ 5473], 10.00th=[ 6063], 20.00th=[ 6980], | 30.00th=[ 9372], 40.00th=[11600], 50.00th=[13304], 60.00th=[16319], | 70.00th=[19530], 80.00th=[26346], 90.00th=[39060], 95.00th=[49546], | 99.00th=[68682], 99.50th=[77071], 99.90th=[79168], 99.95th=[79168], | 99.99th=[79168] bw ( KiB/s): min= 63, max= 1088, per=25.23%, avg=382.52, stdev=240.18, samples=31 iops : min= 3, max= 68, avg=23.16, stdev=15.14, samples=31 write: IOPS=24, BW=399KiB/s (408kB/s)(6256KiB/15686msec); 0 zone resets clat (usec): min=5253, max=79915, avg=22484.74, stdev=14073.30 lat (usec): min=5255, max=79916, avg=22486.21, stdev=14073.26 clat percentiles (usec): | 1.00th=[ 5735], 5.00th=[ 6783], 10.00th=[ 7832], 20.00th=[ 9896], | 30.00th=[12780], 40.00th=[15401], 50.00th=[18482], 60.00th=[22938], | 70.00th=[27657], 80.00th=[33817], 90.00th=[40633], 95.00th=[51643], | 99.00th=[66323], 99.50th=[72877], 99.90th=[80217], 99.95th=[80217], | 99.99th=[80217] bw ( KiB/s): min= 222, max= 1088, per=25.07%, avg=399.90, stdev=205.75, samples=31 iops : min= 13, max= 68, avg=24.26, stdev=12.98, samples=31 lat (msec) : 4=0.13%, 10=26.04%, 20=35.42%, 50=33.59%, 100=4.82% cpu : usr=0.09%, sys=13.97%, ctx=1653, 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=1517KiB/s (1553kB/s), 364KiB/s-396KiB/s (373kB/s-406kB/s), io=23.4MiB (24.5MB), run=15686-15793msec WRITE: bw=1596KiB/s (1634kB/s), 382KiB/s-415KiB/s (391kB/s-425kB/s), io=24.6MiB (25.8MB), run=15686-15793msec 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=181666: Fri Jul 3 06:43:37 2026 read: IOPS=3, BW=3801KiB/s (3892kB/s)(7168KiB/1886msec) clat (msec): min=117, max=186, avg=135.85, stdev=23.21 lat (msec): min=117, max=186, avg=135.85, stdev=23.21 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 118], 10.00th=[ 118], 20.00th=[ 121], | 30.00th=[ 128], 40.00th=[ 128], 50.00th=[ 130], 60.00th=[ 133], | 70.00th=[ 133], 80.00th=[ 138], 90.00th=[ 186], 95.00th=[ 186], | 99.00th=[ 186], 99.50th=[ 186], 99.90th=[ 186], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 2048, max= 5370, per=41.13%, avg=3832.33, stdev=1674.68, samples=3 iops : min= 2, max= 5, avg= 3.33, stdev= 1.53, samples=3 write: IOPS=2, BW=2715KiB/s (2780kB/s)(5120KiB/1886msec); 0 zone resets clat (msec): min=96, max=343, avg=174.62, stdev=97.72 lat (msec): min=96, max=343, avg=174.66, stdev=97.72 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 96], 10.00th=[ 96], 20.00th=[ 96], | 30.00th=[ 124], 40.00th=[ 124], 50.00th=[ 153], 60.00th=[ 153], | 70.00th=[ 159], 80.00th=[ 159], 90.00th=[ 342], 95.00th=[ 342], | 99.00th=[ 342], 99.50th=[ 342], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 4079, max= 4096, per=31.34%, avg=4087.50, stdev=12.02, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 lat (msec) : 100=8.33%, 250=83.33%, 500=8.33% cpu : usr=0.00%, sys=60.48%, ctx=1031, 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=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=181667: Fri Jul 3 06:43:37 2026 read: IOPS=0, BW=932KiB/s (954kB/s)(2048KiB/2198msec) clat (usec): min=523, max=110789, avg=55656.56, stdev=77970.04 lat (usec): min=523, max=110791, avg=55657.84, stdev=77971.25 clat percentiles (usec): | 1.00th=[ 523], 5.00th=[ 523], 10.00th=[ 523], 20.00th=[ 523], | 30.00th=[ 523], 40.00th=[ 523], 50.00th=[ 523], 60.00th=[110625], | 70.00th=[110625], 80.00th=[110625], 90.00th=[110625], 95.00th=[110625], | 99.00th=[110625], 99.50th=[110625], 99.90th=[110625], 99.95th=[110625], | 99.99th=[110625] bw ( KiB/s): min= 1787, max= 2048, per=20.58%, avg=1917.50, stdev=184.55, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=4, BW=4659KiB/s (4771kB/s)(10.0MiB/2198msec); 0 zone resets clat (msec): min=109, max=475, avg=205.36, stdev=111.14 lat (msec): min=109, max=475, avg=205.41, stdev=111.13 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 131], | 30.00th=[ 140], 40.00th=[ 144], 50.00th=[ 174], 60.00th=[ 180], | 70.00th=[ 182], 80.00th=[ 205], 90.00th=[ 321], 95.00th=[ 477], | 99.00th=[ 477], 99.50th=[ 477], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 4096, max= 8159, per=46.95%, avg=6124.67, stdev=2031.51, samples=3 iops : min= 4, max= 7, avg= 5.33, stdev= 1.53, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=75.00%, 500=16.67% cpu : usr=0.00%, sys=58.90%, ctx=191, 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=181668: Fri Jul 3 06:43:37 2026 read: IOPS=2, BW=2805KiB/s (2873kB/s)(6144KiB/2190msec) clat (usec): min=319, max=322283, avg=72327.09, stdev=129991.07 lat (usec): min=320, max=322294, avg=72329.65, stdev=129995.09 clat percentiles (usec): | 1.00th=[ 322], 5.00th=[ 322], 10.00th=[ 322], 20.00th=[ 338], | 30.00th=[ 338], 40.00th=[ 433], 50.00th=[ 433], 60.00th=[ 1012], | 70.00th=[109577], 80.00th=[109577], 90.00th=[320865], 95.00th=[320865], | 99.00th=[320865], 99.50th=[320865], 99.90th=[320865], 99.95th=[320865], | 99.99th=[320865] bw ( KiB/s): min= 4079, max= 6119, per=54.73%, avg=5099.00, stdev=1442.50, samples=2 iops : min= 3, max= 5, avg= 4.00, stdev= 1.41, samples=2 write: IOPS=2, BW=2805KiB/s (2873kB/s)(6144KiB/2190msec); 0 zone resets clat (msec): min=143, max=708, avg=291.06, stdev=222.31 lat (msec): min=143, max=708, avg=291.11, stdev=222.31 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 146], | 30.00th=[ 146], 40.00th=[ 165], 50.00th=[ 165], 60.00th=[ 209], | 70.00th=[ 376], 80.00th=[ 376], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 2039, max= 3592, per=18.63%, avg=2429.50, stdev=775.01, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (usec) : 500=25.00% lat (msec) : 2=8.33%, 250=41.67%, 500=16.67%, 750=8.33% cpu : usr=0.00%, sys=40.75%, ctx=104, 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=181669: Fri Jul 3 06:43:37 2026 read: IOPS=2, BW=2813KiB/s (2881kB/s)(5120KiB/1820msec) clat (usec): min=408, max=250890, avg=107566.47, stdev=107526.65 lat (usec): min=409, max=250891, avg=107567.52, stdev=107526.69 clat percentiles (usec): | 1.00th=[ 408], 5.00th=[ 408], 10.00th=[ 408], 20.00th=[ 408], | 30.00th=[ 437], 40.00th=[ 437], 50.00th=[132645], 60.00th=[132645], | 70.00th=[154141], 80.00th=[154141], 90.00th=[250610], 95.00th=[250610], | 99.00th=[250610], 99.50th=[250610], 99.90th=[250610], 99.95th=[250610], | 99.99th=[250610] bw ( KiB/s): min= 2039, max= 6144, per=43.91%, avg=4091.50, stdev=2902.67, samples=2 iops : min= 1, max= 6, avg= 3.50, stdev= 3.54, samples=2 write: IOPS=3, BW=3938KiB/s (4033kB/s)(7168KiB/1820msec); 0 zone resets clat (msec): min=107, max=374, avg=175.29, stdev=91.53 lat (msec): min=107, max=374, avg=175.35, stdev=91.52 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 108], 10.00th=[ 108], 20.00th=[ 118], | 30.00th=[ 128], 40.00th=[ 128], 50.00th=[ 153], 60.00th=[ 169], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 376], 95.00th=[ 376], | 99.00th=[ 376], 99.50th=[ 376], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 1838, max= 6119, per=25.57%, avg=3335.00, stdev=2413.30, samples=3 iops : min= 1, max= 5, avg= 2.67, stdev= 2.08, samples=3 lat (usec) : 500=16.67% lat (msec) : 250=66.67%, 500=16.67% cpu : usr=0.05%, sys=55.82%, ctx=268, 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=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=9318KiB/s (9541kB/s), 932KiB/s-3801KiB/s (954kB/s-3892kB/s), io=20.0MiB (20.0MB), run=1820-2198msec WRITE: bw=12.7MiB/s (13.4MB/s), 2715KiB/s-4659KiB/s (2780kB/s-4771kB/s), io=28.0MiB (29.4MB), run=1820-2198msec rand-rw: (groupid=0, jobs=1): err= 0: pid=181670: Fri Jul 3 06:43:38 2026 read: IOPS=2, BW=2679KiB/s (2743kB/s)(7168KiB/2676msec) clat (msec): min=48, max=535, avg=235.90, stdev=202.01 lat (msec): min=48, max=535, avg=235.90, stdev=202.01 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 50], 10.00th=[ 50], 20.00th=[ 51], | 30.00th=[ 53], 40.00th=[ 53], 50.00th=[ 199], 60.00th=[ 321], | 70.00th=[ 321], 80.00th=[ 443], 90.00th=[ 535], 95.00th=[ 535], | 99.00th=[ 535], 99.50th=[ 535], 99.90th=[ 535], 99.95th=[ 535], | 99.99th=[ 535] bw ( KiB/s): min= 1828, max= 3961, per=31.89%, avg=2378.40, stdev=889.36, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 0.84, samples=5 write: IOPS=1, BW=1913KiB/s (1959kB/s)(5120KiB/2676msec); 0 zone resets clat (msec): min=56, max=378, avg=191.45, stdev=159.37 lat (msec): min=56, max=378, avg=191.50, stdev=159.36 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 57], 10.00th=[ 57], 20.00th=[ 57], | 30.00th=[ 82], 40.00th=[ 82], 50.00th=[ 90], 60.00th=[ 90], | 70.00th=[ 351], 80.00th=[ 351], 90.00th=[ 380], 95.00th=[ 380], | 99.00th=[ 380], 99.50th=[ 380], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 2048, max= 6144, per=39.23%, avg=4096.00, stdev=2896.31, samples=2 iops : min= 2, max= 6, avg= 4.00, stdev= 2.83, samples=2 lat (msec) : 50=8.33%, 100=41.67%, 250=8.33%, 500=33.33%, 750=8.33% cpu : usr=0.00%, sys=16.37%, ctx=98, 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=181671: Fri Jul 3 06:43:38 2026 read: IOPS=0, BW=765KiB/s (783kB/s)(2048KiB/2678msec) clat (msec): min=39, max=346, avg=193.31, stdev=216.90 lat (msec): min=39, max=346, avg=193.31, stdev=216.90 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 41], 10.00th=[ 41], 20.00th=[ 41], | 30.00th=[ 41], 40.00th=[ 41], 50.00th=[ 41], 60.00th=[ 347], | 70.00th=[ 347], 80.00th=[ 347], 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= 1841, max= 2048, per=26.07%, avg=1944.50, stdev=146.37, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=3, BW=3824KiB/s (3916kB/s)(10.0MiB/2678msec); 0 zone resets clat (msec): min=45, max=890, avg=227.83, stdev=268.94 lat (msec): min=46, max=890, avg=227.89, stdev=268.94 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 46], 10.00th=[ 46], 20.00th=[ 52], | 30.00th=[ 53], 40.00th=[ 63], 50.00th=[ 89], 60.00th=[ 130], | 70.00th=[ 243], 80.00th=[ 243], 90.00th=[ 472], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 1980, max= 8192, per=52.09%, avg=5438.67, stdev=3165.49, samples=3 iops : min= 1, max= 8, avg= 5.00, stdev= 3.61, samples=3 lat (msec) : 50=16.67%, 100=33.33%, 250=25.00%, 500=16.67%, 1000=8.33% cpu : usr=0.00%, sys=13.19%, ctx=79, 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=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=181672: Fri Jul 3 06:43:38 2026 read: IOPS=2, BW=2387KiB/s (2444kB/s)(6144KiB/2574msec) clat (msec): min=43, max=277, avg=129.02, stdev=93.68 lat (msec): min=43, max=277, avg=129.02, stdev=93.68 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 44], 10.00th=[ 44], 20.00th=[ 54], | 30.00th=[ 54], 40.00th=[ 58], 50.00th=[ 58], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 178], 90.00th=[ 279], 95.00th=[ 279], | 99.00th=[ 279], 99.50th=[ 279], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 3961, max= 3961, per=53.11%, avg=3961.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2387KiB/s (2444kB/s)(6144KiB/2574msec); 0 zone resets clat (msec): min=55, max=1091, avg=287.30, stdev=405.67 lat (msec): min=55, max=1091, avg=287.36, stdev=405.67 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 56], 10.00th=[ 56], 20.00th=[ 65], | 30.00th=[ 65], 40.00th=[ 85], 50.00th=[ 85], 60.00th=[ 110], | 70.00th=[ 317], 80.00th=[ 317], 90.00th=[ 1099], 95.00th=[ 1099], | 99.00th=[ 1099], 99.50th=[ 1099], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 1980, max= 3631, per=26.87%, avg=2805.50, stdev=1167.43, samples=2 iops : min= 1, max= 3, avg= 2.00, stdev= 1.41, samples=2 lat (msec) : 50=8.33%, 100=41.67%, 250=25.00%, 500=16.67%, 2000=8.33% cpu : usr=0.04%, sys=16.63%, ctx=319, 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=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=181673: Fri Jul 3 06:43:38 2026 read: IOPS=1, BW=1865KiB/s (1909kB/s)(5120KiB/2746msec) clat (msec): min=19, max=146, avg=73.38, stdev=53.16 lat (msec): min=19, max=146, avg=73.38, stdev=53.16 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 20], 10.00th=[ 20], 20.00th=[ 20], | 30.00th=[ 36], 40.00th=[ 36], 50.00th=[ 56], 60.00th=[ 56], | 70.00th=[ 110], 80.00th=[ 110], 90.00th=[ 146], 95.00th=[ 146], | 99.00th=[ 146], 99.50th=[ 146], 99.90th=[ 146], 99.95th=[ 146], | 99.99th=[ 146] bw ( KiB/s): min= 6144, max= 6144, per=82.38%, avg=6144.00, stdev= 0.00, samples=1 iops : min= 6, max= 6, avg= 6.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2610KiB/s (2673kB/s)(7168KiB/2746msec); 0 zone resets clat (msec): min=19, max=1014, avg=332.05, stdev=356.72 lat (msec): min=19, max=1014, avg=332.12, stdev=356.72 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 20], 10.00th=[ 20], 20.00th=[ 23], | 30.00th=[ 49], 40.00th=[ 49], 50.00th=[ 342], 60.00th=[ 430], | 70.00th=[ 430], 80.00th=[ 447], 90.00th=[ 1011], 95.00th=[ 1011], | 99.00th=[ 1011], 99.50th=[ 1011], 99.90th=[ 1011], 99.95th=[ 1011], | 99.99th=[ 1011] bw ( KiB/s): min= 1838, max= 2048, per=18.95%, avg=1978.50, stdev=99.00, samples=4 iops : min= 1, max= 2, avg= 1.50, stdev= 0.58, samples=4 lat (msec) : 20=16.67%, 50=25.00%, 100=8.33%, 250=16.67%, 500=25.00% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=15.37%, ctx=112, 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=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=7458KiB/s (7637kB/s), 765KiB/s-2679KiB/s (783kB/s-2743kB/s), io=20.0MiB (20.0MB), run=2574-2746msec WRITE: bw=10.2MiB/s (10.7MB/s), 1913KiB/s-3824KiB/s (1959kB/s-3916kB/s), io=28.0MiB (29.4MB), run=2574-2746msec 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=181678: Fri Jul 3 06:43:46 2026 read: IOPS=1, BW=6796KiB/s (6960kB/s)(12.0MiB/1808msec) clat (msec): min=219, max=795, avg=593.48, stdev=323.96 lat (msec): min=219, max=795, avg=593.49, stdev=323.96 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 220], 10.00th=[ 220], 20.00th=[ 220], | 30.00th=[ 220], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 793], 80.00th=[ 793], 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=16384, max=16384, per=100.00%, avg=16384.00, stdev= 0.00, samples=1 iops : min= 4, max= 4, avg= 4.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 1000=66.67% cpu : usr=0.00%, sys=38.96%, ctx=3089, 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=181679: Fri Jul 3 06:43:46 2026 read: IOPS=0, BW=1726KiB/s (1768kB/s)(4096KiB/2373msec) clat (nsec): min=1254.0M, max=1254.0M, avg=1254038572.00, stdev= 0.00 lat (nsec): min=1254.0M, max=1254.0M, avg=1254041656.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1250], 5.00th=[ 1250], 10.00th=[ 1250], 20.00th=[ 1250], | 30.00th=[ 1250], 40.00th=[ 1250], 50.00th=[ 1250], 60.00th=[ 1250], | 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] 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=3452KiB/s (3535kB/s)(8192KiB/2373msec); 0 zone resets clat (msec): min=341, max=663, avg=502.71, stdev=227.46 lat (msec): min=342, max=663, avg=502.94, stdev=227.36 clat percentiles (msec): | 1.00th=[ 342], 5.00th=[ 342], 10.00th=[ 342], 20.00th=[ 342], | 30.00th=[ 342], 40.00th=[ 342], 50.00th=[ 342], 60.00th=[ 667], | 70.00th=[ 667], 80.00th=[ 667], 90.00th=[ 667], 95.00th=[ 667], | 99.00th=[ 667], 99.50th=[ 667], 99.90th=[ 667], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 8192, max= 8192, per=66.31%, 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%, 2000=33.33% cpu : usr=0.00%, sys=18.25%, ctx=971, 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=181680: Fri Jul 3 06:43:46 2026 write: IOPS=1, BW=4633KiB/s (4745kB/s)(12.0MiB/2652msec); 0 zone resets clat (msec): min=143, max=2128, avg=870.77, stdev=1093.76 lat (msec): min=143, max=2129, avg=871.08, stdev=1093.92 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 144], | 30.00th=[ 144], 40.00th=[ 342], 50.00th=[ 342], 60.00th=[ 342], | 70.00th=[ 2123], 80.00th=[ 2123], 90.00th=[ 2123], 95.00th=[ 2123], | 99.00th=[ 2123], 99.50th=[ 2123], 99.90th=[ 2123], 99.95th=[ 2123], | 99.99th=[ 2123] bw ( KiB/s): min=16000, max=16000, per=100.00%, avg=16000.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=9.54%, 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=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=181681: Fri Jul 3 06:43:46 2026 write: IOPS=1, BW=5285KiB/s (5412kB/s)(12.0MiB/2325msec); 0 zone resets clat (msec): min=307, max=1585, avg=767.79, stdev=710.15 lat (msec): min=307, max=1586, avg=768.07, stdev=710.21 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 409], 50.00th=[ 409], 60.00th=[ 409], | 70.00th=[ 1586], 80.00th=[ 1586], 90.00th=[ 1586], 95.00th=[ 1586], | 99.00th=[ 1586], 99.50th=[ 1586], 99.90th=[ 1586], 99.95th=[ 1586], | 99.99th=[ 1586] bw ( KiB/s): min=16384, max=16384, per=100.00%, avg=16384.00, stdev= 0.00, samples=1 iops : min= 4, max= 4, avg= 4.00, stdev= 0.00, samples=1 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.04%, sys=9.42%, ctx=41, 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=6904KiB/s (7070kB/s), 1726KiB/s-6796KiB/s (1768kB/s-6960kB/s), io=16.0MiB (16.8MB), run=1808-2373msec WRITE: bw=12.1MiB/s (12.7MB/s), 3452KiB/s-5285KiB/s (3535kB/s-5412kB/s), io=32.0MiB (33.6MB), run=2325-2652msec rand-rw: (groupid=0, jobs=1): err= 0: pid=181683: Fri Jul 3 06:43:46 2026 read: IOPS=1, BW=5713KiB/s (5850kB/s)(12.0MiB/2151msec) clat (msec): min=176, max=1399, avg=704.00, stdev=628.53 lat (msec): min=176, max=1399, avg=704.00, stdev=628.53 clat percentiles (msec): | 1.00th=[ 178], 5.00th=[ 178], 10.00th=[ 178], 20.00th=[ 178], | 30.00th=[ 178], 40.00th=[ 535], 50.00th=[ 535], 60.00th=[ 535], | 70.00th=[ 1401], 80.00th=[ 1401], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, 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=11.35%, ctx=79, 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=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=181684: Fri Jul 3 06:43:46 2026 read: IOPS=0, BW=1585KiB/s (1623kB/s)(4096KiB/2584msec) clat (nsec): min=1733.9M, max=1733.9M, avg=1733864968.00, stdev= 0.00 lat (nsec): min=1733.9M, max=1733.9M, avg=1733865666.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1737], 5.00th=[ 1737], 10.00th=[ 1737], 20.00th=[ 1737], | 30.00th=[ 1737], 40.00th=[ 1737], 50.00th=[ 1737], 60.00th=[ 1737], | 70.00th=[ 1737], 80.00th=[ 1737], 90.00th=[ 1737], 95.00th=[ 1737], | 99.00th=[ 1737], 99.50th=[ 1737], 99.90th=[ 1737], 99.95th=[ 1737], | 99.99th=[ 1737] 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=3170KiB/s (3246kB/s)(8192KiB/2584msec); 0 zone resets clat (msec): min=269, max=526, avg=398.09, stdev=181.85 lat (msec): min=269, max=526, avg=398.35, stdev=181.83 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 271], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 271], 60.00th=[ 527], | 70.00th=[ 527], 80.00th=[ 527], 90.00th=[ 527], 95.00th=[ 527], | 99.00th=[ 527], 99.50th=[ 527], 99.90th=[ 527], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 8192, max= 8192, per=66.48%, 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%, 2000=33.33% cpu : usr=0.00%, sys=9.29%, ctx=72, 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=181685: Fri Jul 3 06:43:46 2026 write: IOPS=1, BW=5051KiB/s (5172kB/s)(12.0MiB/2433msec); 0 zone resets clat (msec): min=217, max=1889, avg=806.77, stdev=938.72 lat (msec): min=217, max=1889, avg=807.07, stdev=938.83 clat percentiles (msec): | 1.00th=[ 218], 5.00th=[ 218], 10.00th=[ 218], 20.00th=[ 218], | 30.00th=[ 218], 40.00th=[ 313], 50.00th=[ 313], 60.00th=[ 313], | 70.00th=[ 1888], 80.00th=[ 1888], 90.00th=[ 1888], 95.00th=[ 1888], | 99.00th=[ 1888], 99.50th=[ 1888], 99.90th=[ 1888], 99.95th=[ 1888], | 99.99th=[ 1888] bw ( KiB/s): min= 8192, max= 8192, per=66.48%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33%, 2000=33.33% cpu : usr=0.04%, sys=9.91%, ctx=51, 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=181686: Fri Jul 3 06:43:46 2026 write: IOPS=1, BW=4621KiB/s (4732kB/s)(12.0MiB/2659msec); 0 zone resets clat (msec): min=62, max=2317, avg=880.65, stdev=1248.48 lat (msec): min=63, max=2318, avg=880.95, stdev=1248.51 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 63], 10.00th=[ 63], 20.00th=[ 63], | 30.00th=[ 63], 40.00th=[ 262], 50.00th=[ 262], 60.00th=[ 262], | 70.00th=[ 2333], 80.00th=[ 2333], 90.00th=[ 2333], 95.00th=[ 2333], | 99.00th=[ 2333], 99.50th=[ 2333], 99.90th=[ 2333], 99.95th=[ 2333], | 99.99th=[ 2333] bw ( KiB/s): min= 8192, max= 8192, per=66.48%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 500=33.33%, >=2000=33.33% cpu : usr=0.08%, sys=8.62%, ctx=85, 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=6341KiB/s (6493kB/s), 1585KiB/s-5713KiB/s (1623kB/s-5850kB/s), io=16.0MiB (16.8MB), run=2151-2584msec WRITE: bw=12.0MiB/s (12.6MB/s), 3170KiB/s-5051KiB/s (3246kB/s-5172kB/s), io=32.0MiB (33.6MB), run=2433-2659msec