== sanity test 398b: DIO and buffer IO race ============== 04:27:37 (1752481657) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 2.9129 s, 17.3 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=193771: Mon Jul 14 04:28:37 2025 read: IOPS=29, BW=119KiB/s (121kB/s)(5992KiB/50506msec) clat (usec): min=132, max=816829, avg=18480.38, stdev=22718.42 lat (usec): min=133, max=816831, avg=18481.26, stdev=22718.45 clat percentiles (usec): | 1.00th=[ 371], 5.00th=[ 7635], 10.00th=[ 8979], 20.00th=[ 10552], | 30.00th=[ 12256], 40.00th=[ 14091], 50.00th=[ 16188], 60.00th=[ 18744], | 70.00th=[ 21103], 80.00th=[ 24249], 90.00th=[ 28967], 95.00th=[ 33817], | 99.00th=[ 53216], 99.50th=[ 63177], 99.90th=[ 93848], 99.95th=[817890], | 99.99th=[817890] bw ( KiB/s): min= 14, max= 200, per=24.86%, avg=117.82, stdev=29.80, samples=100 iops : min= 3, max= 50, avg=29.05, stdev= 7.47, samples=100 write: IOPS=31, BW=125KiB/s (128kB/s)(6296KiB/50506msec); 0 zone resets clat (usec): min=860, max=109502, avg=14354.43, stdev=11630.30 lat (usec): min=861, max=109503, avg=14355.87, stdev=11630.12 clat percentiles (usec): | 1.00th=[ 1090], 5.00th=[ 2057], 10.00th=[ 2507], 20.00th=[ 3490], | 30.00th=[ 6259], 40.00th=[ 9503], 50.00th=[ 11863], 60.00th=[ 14353], | 70.00th=[ 17957], 80.00th=[ 23200], 90.00th=[ 30540], 95.00th=[ 36439], | 99.00th=[ 49021], 99.50th=[ 53740], 99.90th=[ 80217], 99.95th=[109577], | 99.99th=[109577] bw ( KiB/s): min= 8, max= 216, per=25.12%, avg=124.62, stdev=31.42, samples=99 iops : min= 2, max= 54, avg=30.75, stdev= 7.87, samples=99 lat (usec) : 250=0.10%, 500=0.75%, 750=0.16%, 1000=0.33% lat (msec) : 2=2.02%, 4=9.02%, 10=16.83%, 20=40.92%, 50=28.91% lat (msec) : 100=0.91%, 250=0.03%, 1000=0.03% cpu : usr=0.13%, sys=22.69%, ctx=7546, majf=0, minf=17 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=193772: Mon Jul 14 04:28:37 2025 read: IOPS=29, BW=119KiB/s (122kB/s)(5940KiB/49910msec) clat (usec): min=84, max=81138, avg=18051.60, stdev=9572.67 lat (usec): min=85, max=81140, avg=18052.78, stdev=9572.68 clat percentiles (usec): | 1.00th=[ 318], 5.00th=[ 7767], 10.00th=[ 8848], 20.00th=[10552], | 30.00th=[12256], 40.00th=[13960], 50.00th=[16188], 60.00th=[18482], | 70.00th=[21103], 80.00th=[24511], 90.00th=[29754], 95.00th=[34866], | 99.00th=[52691], 99.50th=[57410], 99.90th=[78119], 99.95th=[81265], | 99.99th=[81265] bw ( KiB/s): min= 7, max= 192, per=25.02%, avg=118.62, stdev=30.20, samples=99 iops : min= 1, max= 48, avg=29.24, stdev= 7.55, samples=99 write: IOPS=31, BW=127KiB/s (130kB/s)(6348KiB/49910msec); 0 zone resets clat (usec): min=808, max=812085, avg=14428.75, stdev=23176.25 lat (usec): min=809, max=812086, avg=14429.82, stdev=23176.27 clat percentiles (usec): | 1.00th=[ 1205], 5.00th=[ 2040], 10.00th=[ 2474], 20.00th=[ 3163], | 30.00th=[ 5145], 40.00th=[ 8586], 50.00th=[ 11076], 60.00th=[ 13829], | 70.00th=[ 17957], 80.00th=[ 22938], 90.00th=[ 30016], 95.00th=[ 36439], | 99.00th=[ 50594], 99.50th=[ 62129], 99.90th=[ 79168], 99.95th=[809501], | 99.99th=[809501] bw ( KiB/s): min= 7, max= 216, per=25.50%, avg=126.46, stdev=33.56, samples=99 iops : min= 1, max= 54, avg=31.20, stdev= 8.40, samples=99 lat (usec) : 100=0.03%, 250=0.20%, 500=0.72%, 750=0.03%, 1000=0.20% lat (msec) : 2=2.21%, 4=10.77%, 10=16.86%, 20=39.52%, 50=28.16% lat (msec) : 100=1.27%, 1000=0.03% cpu : usr=0.13%, sys=22.75%, ctx=7375, 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=193774: Mon Jul 14 04:28:37 2025 read: IOPS=30, BW=123KiB/s (126kB/s)(6028KiB/49136msec) clat (usec): min=142, max=826440, avg=18524.42, stdev=23223.78 lat (usec): min=142, max=826442, avg=18525.39, stdev=23223.81 clat percentiles (usec): | 1.00th=[ 322], 5.00th=[ 7308], 10.00th=[ 8717], 20.00th=[ 10421], | 30.00th=[ 11994], 40.00th=[ 13829], 50.00th=[ 15926], 60.00th=[ 17957], | 70.00th=[ 20841], 80.00th=[ 24249], 90.00th=[ 30278], 95.00th=[ 36963], | 99.00th=[ 54789], 99.50th=[ 67634], 99.90th=[ 78119], 99.95th=[826278], | 99.99th=[826278] bw ( KiB/s): min= 32, max= 191, per=26.12%, avg=123.82, stdev=28.09, samples=96 iops : min= 8, max= 47, avg=30.54, stdev= 6.97, samples=96 write: IOPS=31, BW=127KiB/s (130kB/s)(6260KiB/49136msec); 0 zone resets clat (usec): min=820, max=63278, avg=13418.58, stdev=11154.15 lat (usec): min=821, max=63279, avg=13420.03, stdev=11154.38 clat percentiles (usec): | 1.00th=[ 1139], 5.00th=[ 1942], 10.00th=[ 2409], 20.00th=[ 3130], | 30.00th=[ 4686], 40.00th=[ 8455], 50.00th=[11076], 60.00th=[13435], | 70.00th=[16909], 80.00th=[21890], 90.00th=[29492], 95.00th=[36439], | 99.00th=[46924], 99.50th=[51119], 99.90th=[60556], 99.95th=[63177], | 99.99th=[63177] bw ( KiB/s): min= 16, max= 207, per=25.58%, avg=126.90, stdev=34.51, samples=97 iops : min= 4, max= 51, avg=31.31, stdev= 8.62, samples=97 lat (usec) : 250=0.10%, 500=1.14%, 750=0.29%, 1000=0.36% lat (msec) : 2=2.41%, 4=11.36%, 10=16.31%, 20=39.62%, 50=27.25% lat (msec) : 100=1.14%, 1000=0.03% cpu : usr=0.14%, sys=22.78%, ctx=7247, 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=193776: Mon Jul 14 04:28:37 2025 read: IOPS=29, BW=120KiB/s (122kB/s)(6052KiB/50601msec) clat (usec): min=154, max=88582, avg=17968.97, stdev=10140.17 lat (usec): min=155, max=88583, avg=17969.96, stdev=10140.20 clat percentiles (usec): | 1.00th=[ 310], 5.00th=[ 6915], 10.00th=[ 8455], 20.00th=[10421], | 30.00th=[12125], 40.00th=[13829], 50.00th=[15795], 60.00th=[18220], | 70.00th=[21365], 80.00th=[24511], 90.00th=[29754], 95.00th=[34866], | 99.00th=[53216], 99.50th=[63701], 99.90th=[78119], 99.95th=[88605], | 99.99th=[88605] bw ( KiB/s): min= 55, max= 191, per=25.57%, avg=121.22, stdev=27.70, samples=98 iops : min= 13, max= 47, avg=29.90, stdev= 6.98, samples=98 write: IOPS=30, BW=123KiB/s (126kB/s)(6236KiB/50601msec); 0 zone resets clat (usec): min=802, max=834837, avg=14883.34, stdev=23998.53 lat (usec): min=803, max=834838, avg=14884.55, stdev=23998.56 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1942], 10.00th=[ 2442], 20.00th=[ 3195], | 30.00th=[ 5145], 40.00th=[ 8848], 50.00th=[ 11469], 60.00th=[ 14353], | 70.00th=[ 18744], 80.00th=[ 23987], 90.00th=[ 31589], 95.00th=[ 38011], | 99.00th=[ 49021], 99.50th=[ 55313], 99.90th=[121111], 99.95th=[834667], | 99.99th=[834667] bw ( KiB/s): min= 24, max= 216, per=24.99%, avg=123.96, stdev=31.22, samples=99 iops : min= 6, max= 54, avg=30.59, stdev= 7.86, samples=99 lat (usec) : 250=0.33%, 500=1.01%, 750=0.20%, 1000=0.23% lat (msec) : 2=2.73%, 4=10.03%, 10=17.19%, 20=37.57%, 50=29.59% lat (msec) : 100=1.07%, 250=0.03%, 1000=0.03% cpu : usr=0.12%, sys=22.51%, ctx=7409, majf=0, minf=17 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=475KiB/s (486kB/s), 119KiB/s-123KiB/s (121kB/s-126kB/s), io=23.4MiB (24.6MB), run=49136-50601msec WRITE: bw=497KiB/s (509kB/s), 123KiB/s-127KiB/s (126kB/s-130kB/s), io=24.6MiB (25.7MB), run=49136-50601msec rand-rw: (groupid=0, jobs=1): err= 0: pid=193773: Mon Jul 14 04:28:47 2025 read: IOPS=24, BW=99.1KiB/s (101kB/s)(5992KiB/60455msec) clat (msec): min=2, max=828, avg=16.70, stdev=25.34 lat (msec): min=2, max=828, avg=16.70, stdev=25.34 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 9], 50.00th=[ 11], 60.00th=[ 14], | 70.00th=[ 18], 80.00th=[ 25], 90.00th=[ 37], 95.00th=[ 47], | 99.00th=[ 68], 99.50th=[ 77], 99.90th=[ 128], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 31, max= 304, per=24.96%, avg=99.08, stdev=68.79, samples=119 iops : min= 7, max= 76, avg=24.37, stdev=17.28, samples=119 write: IOPS=26, BW=104KiB/s (107kB/s)(6296KiB/60455msec); 0 zone resets clat (msec): min=4, max=122, avg=22.39, stdev=15.93 lat (msec): min=4, max=122, avg=22.39, stdev=15.93 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 11], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 23], | 70.00th=[ 28], 80.00th=[ 35], 90.00th=[ 44], 95.00th=[ 53], | 99.00th=[ 77], 99.50th=[ 85], 99.90th=[ 112], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 8, max= 328, per=25.06%, avg=104.00, stdev=69.57, samples=119 iops : min= 2, max= 82, avg=25.60, stdev=17.48, samples=119 lat (msec) : 4=0.91%, 10=35.38%, 20=28.71%, 50=30.01%, 100=4.82% lat (msec) : 250=0.13%, 1000=0.03% cpu : usr=0.12%, sys=10.48%, ctx=3911, 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=193775: Mon Jul 14 04:28:47 2025 read: IOPS=24, BW=98.9KiB/s (101kB/s)(5940KiB/60076msec) clat (msec): min=2, max=817, avg=16.16, stdev=24.56 lat (msec): min=2, max=817, avg=16.16, stdev=24.56 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 9], 50.00th=[ 11], 60.00th=[ 13], | 70.00th=[ 17], 80.00th=[ 25], 90.00th=[ 36], 95.00th=[ 44], | 99.00th=[ 62], 99.50th=[ 72], 99.90th=[ 91], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 8, max= 320, per=24.93%, avg=98.98, stdev=70.23, samples=118 iops : min= 2, max= 80, avg=24.35, stdev=17.65, samples=118 write: IOPS=26, BW=106KiB/s (108kB/s)(6348KiB/60076msec); 0 zone resets clat (msec): min=5, max=122, avg=22.61, stdev=16.10 lat (msec): min=5, max=122, avg=22.61, stdev=16.10 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 18], 60.00th=[ 23], | 70.00th=[ 28], 80.00th=[ 35], 90.00th=[ 44], 95.00th=[ 55], | 99.00th=[ 82], 99.50th=[ 87], 99.90th=[ 122], 99.95th=[ 124], | 99.99th=[ 124] bw ( KiB/s): min= 24, max= 328, per=25.36%, avg=105.23, stdev=66.39, samples=118 iops : min= 6, max= 82, avg=25.91, stdev=16.68, samples=118 lat (msec) : 4=0.75%, 10=34.02%, 20=29.65%, 50=31.09%, 100=4.33% lat (msec) : 250=0.13%, 1000=0.03% cpu : usr=0.14%, sys=10.56%, ctx=3873, 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=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=193777: Mon Jul 14 04:28:47 2025 read: IOPS=25, BW=100KiB/s (103kB/s)(6028KiB/60176msec) clat (msec): min=3, max=127, avg=16.40, stdev=13.83 lat (msec): min=3, max=127, avg=16.40, stdev=13.83 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 9], 50.00th=[ 12], 60.00th=[ 14], | 70.00th=[ 18], 80.00th=[ 26], 90.00th=[ 37], 95.00th=[ 45], | 99.00th=[ 63], 99.50th=[ 72], 99.90th=[ 94], 99.95th=[ 128], | 99.99th=[ 128] bw ( KiB/s): min= 24, max= 344, per=25.15%, avg=99.86, stdev=67.24, samples=118 iops : min= 6, max= 86, avg=24.57, stdev=16.89, samples=118 write: IOPS=26, BW=104KiB/s (107kB/s)(6260KiB/60176msec); 0 zone resets clat (msec): min=4, max=825, avg=22.53, stdev=25.38 lat (msec): min=4, max=825, avg=22.53, stdev=25.38 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 11], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 22], | 70.00th=[ 28], 80.00th=[ 34], 90.00th=[ 44], 95.00th=[ 52], | 99.00th=[ 75], 99.50th=[ 83], 99.90th=[ 104], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 32, max= 320, per=24.95%, avg=103.53, stdev=67.92, samples=118 iops : min= 8, max= 80, avg=25.48, stdev=17.08, samples=118 lat (msec) : 4=0.55%, 10=33.85%, 20=30.83%, 50=30.44%, 100=4.23% lat (msec) : 250=0.07%, 1000=0.03% cpu : usr=0.12%, sys=10.46%, ctx=3856, 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=193778: Mon Jul 14 04:28:47 2025 read: IOPS=25, BW=100KiB/s (103kB/s)(6052KiB/60373msec) clat (usec): min=3176, max=91619, avg=16042.16, stdev=13461.44 lat (usec): min=3177, max=91621, avg=16042.99, stdev=13461.44 clat percentiles (usec): | 1.00th=[ 3720], 5.00th=[ 4555], 10.00th=[ 5014], 20.00th=[ 5932], | 30.00th=[ 6980], 40.00th=[ 8717], 50.00th=[10814], 60.00th=[13698], | 70.00th=[18744], 80.00th=[24249], 90.00th=[35390], 95.00th=[44303], | 99.00th=[61080], 99.50th=[74974], 99.90th=[88605], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 15, max= 352, per=25.51%, avg=101.28, stdev=69.11, samples=118 iops : min= 3, max= 88, avg=24.92, stdev=17.35, samples=118 write: IOPS=25, BW=103KiB/s (106kB/s)(6236KiB/60373msec); 0 zone resets clat (msec): min=4, max=826, avg=23.03, stdev=26.19 lat (msec): min=4, max=826, avg=23.03, stdev=26.19 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 10], | 30.00th=[ 11], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 22], | 70.00th=[ 28], 80.00th=[ 35], 90.00th=[ 45], 95.00th=[ 55], | 99.00th=[ 84], 99.50th=[ 89], 99.90th=[ 124], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 32, max= 304, per=24.95%, avg=103.53, stdev=68.24, samples=119 iops : min= 8, max= 76, avg=25.48, stdev=17.15, samples=119 lat (msec) : 4=0.91%, 10=33.98%, 20=29.62%, 50=30.53%, 100=4.75% lat (msec) : 250=0.16%, 1000=0.03% cpu : usr=0.11%, sys=10.51%, ctx=3882, 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=397KiB/s (407kB/s), 98.9KiB/s-100KiB/s (101kB/s-103kB/s), io=23.4MiB (24.6MB), run=60076-60455msec WRITE: bw=416KiB/s (426kB/s), 103KiB/s-106KiB/s (106kB/s-108kB/s), io=24.6MiB (25.7MB), run=60076-60455msec 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=193803: Mon Jul 14 04:29:07 2025 read: IOPS=27, BW=432KiB/s (442kB/s)(5920KiB/13700msec) clat (usec): min=138, max=124568, avg=19184.70, stdev=11762.64 lat (usec): min=139, max=124569, avg=19185.72, stdev=11762.63 clat percentiles (usec): | 1.00th=[ 167], 5.00th=[ 383], 10.00th=[ 8094], 20.00th=[ 12256], | 30.00th=[ 13829], 40.00th=[ 15664], 50.00th=[ 17695], 60.00th=[ 20055], | 70.00th=[ 22414], 80.00th=[ 26084], 90.00th=[ 30540], 95.00th=[ 38011], | 99.00th=[ 52691], 99.50th=[ 83362], 99.90th=[124257], 99.95th=[124257], | 99.99th=[124257] bw ( KiB/s): min= 220, max= 606, per=25.15%, avg=431.89, stdev=95.03, samples=27 iops : min= 13, max= 37, avg=26.44, stdev= 6.03, samples=27 write: IOPS=29, BW=465KiB/s (476kB/s)(6368KiB/13700msec); 0 zone resets clat (usec): min=1422, max=96122, avg=16456.54, stdev=13020.34 lat (usec): min=1424, max=96124, avg=16458.30, stdev=13020.27 clat percentiles (usec): | 1.00th=[ 2089], 5.00th=[ 2999], 10.00th=[ 4015], 20.00th=[ 5211], | 30.00th=[ 7963], 40.00th=[10552], 50.00th=[12780], 60.00th=[15401], | 70.00th=[20055], 80.00th=[25035], 90.00th=[33817], 95.00th=[45876], | 99.00th=[58459], 99.50th=[64226], 99.90th=[95945], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 223, max= 638, per=25.66%, avg=463.33, stdev=101.79, samples=27 iops : min= 13, max= 39, avg=28.41, stdev= 6.51, samples=27 lat (usec) : 250=0.65%, 500=2.73%, 750=0.13% lat (msec) : 2=0.39%, 4=4.95%, 10=16.02%, 20=40.49%, 50=32.42% lat (msec) : 100=2.08%, 250=0.13% cpu : usr=0.11%, sys=23.72%, ctx=2312, 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=193804: Mon Jul 14 04:29:07 2025 read: IOPS=25, BW=412KiB/s (422kB/s)(5744KiB/13947msec) clat (usec): min=115, max=77413, avg=20166.95, stdev=10675.68 lat (usec): min=116, max=77413, avg=20167.85, stdev=10675.68 clat percentiles (usec): | 1.00th=[ 249], 5.00th=[ 6980], 10.00th=[ 9896], 20.00th=[12387], | 30.00th=[14484], 40.00th=[16319], 50.00th=[18482], 60.00th=[21103], | 70.00th=[23725], 80.00th=[26870], 90.00th=[32375], 95.00th=[40633], | 99.00th=[57934], 99.50th=[61604], 99.90th=[77071], 99.95th=[77071], | 99.99th=[77071] bw ( KiB/s): min= 188, max= 638, per=23.96%, avg=411.44, stdev=99.81, samples=27 iops : min= 11, max= 39, avg=25.15, stdev= 6.24, samples=27 write: IOPS=29, BW=469KiB/s (480kB/s)(6544KiB/13947msec); 0 zone resets clat (usec): min=1536, max=104374, avg=16204.28, stdev=13341.46 lat (usec): min=1537, max=104376, avg=16206.22, stdev=13341.88 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 11], 50.00th=[ 13], 60.00th=[ 16], | 70.00th=[ 21], 80.00th=[ 27], 90.00th=[ 35], 95.00th=[ 43], | 99.00th=[ 54], 99.50th=[ 74], 99.90th=[ 105], 99.95th=[ 105], | 99.99th=[ 105] bw ( KiB/s): min= 287, max= 640, per=25.63%, avg=462.81, stdev=102.11, samples=27 iops : min= 17, max= 40, avg=28.41, stdev= 6.37, samples=27 lat (usec) : 250=0.52%, 500=1.69% lat (msec) : 2=0.52%, 4=5.60%, 10=16.67%, 20=38.41%, 50=34.24% lat (msec) : 100=2.21%, 250=0.13% cpu : usr=0.19%, sys=23.33%, ctx=2411, 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=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=193805: Mon Jul 14 04:29:07 2025 read: IOPS=28, BW=458KiB/s (469kB/s)(6256KiB/13671msec) clat (usec): min=129, max=74071, avg=18621.34, stdev=10049.96 lat (usec): min=131, max=74072, avg=18622.36, stdev=10049.96 clat percentiles (usec): | 1.00th=[ 184], 5.00th=[ 367], 10.00th=[ 9110], 20.00th=[11731], | 30.00th=[13435], 40.00th=[15664], 50.00th=[17171], 60.00th=[19792], | 70.00th=[22938], 80.00th=[26084], 90.00th=[30016], 95.00th=[33424], | 99.00th=[49546], 99.50th=[71828], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 288, max= 672, per=26.76%, avg=459.48, stdev=108.47, samples=27 iops : min= 18, max= 42, avg=28.19, stdev= 6.82, samples=27 write: IOPS=27, BW=441KiB/s (452kB/s)(6032KiB/13671msec); 0 zone resets clat (usec): min=1442, max=77769, avg=16766.15, stdev=13475.99 lat (usec): min=1442, max=77773, avg=16768.04, stdev=13475.92 clat percentiles (usec): | 1.00th=[ 2089], 5.00th=[ 3621], 10.00th=[ 4228], 20.00th=[ 5538], | 30.00th=[ 8094], 40.00th=[10552], 50.00th=[12911], 60.00th=[15795], | 70.00th=[19268], 80.00th=[25560], 90.00th=[34341], 95.00th=[46400], | 99.00th=[67634], 99.50th=[72877], 99.90th=[78119], 99.95th=[78119], | 99.99th=[78119] bw ( KiB/s): min= 223, max= 734, per=24.41%, avg=440.89, stdev=126.06, samples=27 iops : min= 13, max= 45, avg=27.00, stdev= 7.88, samples=27 lat (usec) : 250=1.04%, 500=2.47%, 750=0.26% lat (msec) : 2=0.39%, 4=3.39%, 10=17.58%, 20=40.23%, 50=32.42% lat (msec) : 100=2.21% cpu : usr=0.17%, sys=23.85%, ctx=2327, 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=193806: Mon Jul 14 04:29:07 2025 read: IOPS=28, BW=449KiB/s (460kB/s)(6032KiB/13422msec) clat (usec): min=138, max=61181, avg=18979.74, stdev=10615.42 lat (usec): min=139, max=61182, avg=18981.24, stdev=10615.76 clat percentiles (usec): | 1.00th=[ 161], 5.00th=[ 355], 10.00th=[ 8029], 20.00th=[11731], | 30.00th=[13829], 40.00th=[15664], 50.00th=[17433], 60.00th=[19792], | 70.00th=[23200], 80.00th=[25822], 90.00th=[31589], 95.00th=[39584], | 99.00th=[55313], 99.50th=[56886], 99.90th=[61080], 99.95th=[61080], | 99.99th=[61080] bw ( KiB/s): min= 255, max= 576, per=25.96%, avg=445.65, stdev=83.32, samples=26 iops : min= 15, max= 36, avg=27.31, stdev= 5.32, samples=26 write: IOPS=29, BW=466KiB/s (477kB/s)(6256KiB/13422msec); 0 zone resets clat (usec): min=1028, max=76195, avg=15952.85, stdev=12534.00 lat (usec): min=1029, max=76197, avg=15954.65, stdev=12534.05 clat percentiles (usec): | 1.00th=[ 1647], 5.00th=[ 2933], 10.00th=[ 3851], 20.00th=[ 4883], | 30.00th=[ 7308], 40.00th=[10683], 50.00th=[12649], 60.00th=[15008], | 70.00th=[19268], 80.00th=[25822], 90.00th=[32375], 95.00th=[40109], | 99.00th=[62129], 99.50th=[71828], 99.90th=[76022], 99.95th=[76022], | 99.99th=[76022] bw ( KiB/s): min= 251, max= 640, per=25.74%, avg=464.92, stdev=105.87, samples=26 iops : min= 15, max= 40, avg=28.54, stdev= 6.74, samples=26 lat (usec) : 250=0.78%, 500=2.99%, 750=0.26%, 1000=0.13% lat (msec) : 2=0.91%, 4=5.60%, 10=14.84%, 20=40.36%, 50=32.29% lat (msec) : 100=1.82% cpu : usr=0.15%, sys=23.98%, ctx=2172, 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=1717KiB/s (1759kB/s), 412KiB/s-458KiB/s (422kB/s-469kB/s), io=23.4MiB (24.5MB), run=13422-13947msec WRITE: bw=1807KiB/s (1850kB/s), 441KiB/s-469KiB/s (452kB/s-480kB/s), io=24.6MiB (25.8MB), run=13422-13947msec rand-rw: (groupid=0, jobs=1): err= 0: pid=193808: Mon Jul 14 04:29:12 2025 read: IOPS=20, BW=323KiB/s (331kB/s)(5920KiB/18329msec) clat (usec): min=4552, max=96110, avg=20336.06, stdev=14717.29 lat (usec): min=4552, max=96111, avg=20336.90, stdev=14717.30 clat percentiles (usec): | 1.00th=[ 5276], 5.00th=[ 6980], 10.00th=[ 7832], 20.00th=[ 9634], | 30.00th=[10945], 40.00th=[12780], 50.00th=[15008], 60.00th=[17957], | 70.00th=[22938], 80.00th=[28705], 90.00th=[40633], 95.00th=[52167], | 99.00th=[74974], 99.50th=[81265], 99.90th=[95945], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 95, max= 672, per=24.90%, avg=318.44, stdev=138.70, samples=36 iops : min= 5, max= 42, avg=19.39, stdev= 8.75, samples=36 write: IOPS=21, BW=347KiB/s (356kB/s)(6368KiB/18329msec); 0 zone resets clat (msec): min=6, max=123, avg=26.96, stdev=15.38 lat (msec): min=6, max=123, avg=26.96, stdev=15.38 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 27], | 70.00th=[ 32], 80.00th=[ 37], 90.00th=[ 49], 95.00th=[ 57], | 99.00th=[ 81], 99.50th=[ 96], 99.90th=[ 124], 99.95th=[ 124], | 99.99th=[ 124] bw ( KiB/s): min= 159, max= 640, per=25.74%, avg=346.44, stdev=116.22, samples=36 iops : min= 9, max= 40, avg=21.14, stdev= 7.40, samples=36 lat (msec) : 10=12.37%, 20=39.32%, 50=40.89%, 100=7.29%, 250=0.13% cpu : usr=0.11%, sys=9.41%, ctx=1102, 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=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=193809: Mon Jul 14 04:29:12 2025 read: IOPS=19, BW=307KiB/s (314kB/s)(5744KiB/18722msec) clat (msec): min=4, max=101, avg=20.43, stdev=14.00 lat (msec): min=4, max=101, avg=20.43, stdev=14.00 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 8], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 24], 80.00th=[ 31], 90.00th=[ 43], 95.00th=[ 51], | 99.00th=[ 62], 99.50th=[ 68], 99.90th=[ 103], 99.95th=[ 103], | 99.99th=[ 103] bw ( KiB/s): min= 95, max= 608, per=24.02%, avg=307.22, stdev=139.30, samples=37 iops : min= 5, max= 38, avg=18.68, stdev= 8.83, samples=37 write: IOPS=21, BW=350KiB/s (358kB/s)(6544KiB/18722msec); 0 zone resets clat (msec): min=6, max=123, avg=27.75, stdev=17.77 lat (msec): min=6, max=123, avg=27.75, stdev=17.77 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 20], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 41], 90.00th=[ 50], 95.00th=[ 61], | 99.00th=[ 93], 99.50th=[ 102], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] bw ( KiB/s): min= 127, max= 798, per=25.95%, avg=349.24, stdev=148.93, samples=37 iops : min= 7, max= 49, avg=21.32, stdev= 9.37, samples=37 lat (msec) : 10=12.76%, 20=40.49%, 50=39.19%, 100=7.03%, 250=0.52% cpu : usr=0.09%, sys=9.01%, ctx=1125, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193810: Mon Jul 14 04:29:12 2025 read: IOPS=21, BW=344KiB/s (352kB/s)(6256KiB/18182msec) clat (usec): min=5515, max=73734, avg=19497.94, stdev=12319.51 lat (usec): min=5516, max=73736, avg=19498.90, stdev=12319.52 clat percentiles (usec): | 1.00th=[ 6325], 5.00th=[ 7504], 10.00th=[ 8979], 20.00th=[10159], | 30.00th=[11994], 40.00th=[13829], 50.00th=[15926], 60.00th=[17695], | 70.00th=[21365], 80.00th=[26346], 90.00th=[37487], 95.00th=[46924], | 99.00th=[60556], 99.50th=[66847], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] bw ( KiB/s): min= 127, max= 734, per=27.01%, avg=345.42, stdev=144.05, samples=36 iops : min= 7, max= 45, avg=21.08, stdev= 9.05, samples=36 write: IOPS=20, BW=332KiB/s (340kB/s)(6032KiB/18182msec); 0 zone resets clat (msec): min=7, max=122, avg=27.82, stdev=16.38 lat (msec): min=7, max=122, avg=27.82, stdev=16.38 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 21], 50.00th=[ 23], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 40], 90.00th=[ 50], 95.00th=[ 59], | 99.00th=[ 90], 99.50th=[ 103], 99.90th=[ 123], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 160, max= 704, per=24.59%, avg=330.92, stdev=118.91, samples=36 iops : min= 10, max= 44, avg=20.17, stdev= 7.60, samples=36 lat (msec) : 10=10.16%, 20=43.62%, 50=39.19%, 100=6.77%, 250=0.26% cpu : usr=0.10%, sys=9.74%, ctx=1097, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193811: Mon Jul 14 04:29:12 2025 read: IOPS=20, BW=329KiB/s (337kB/s)(6032KiB/18308msec) clat (usec): min=3562, max=86405, avg=20077.24, stdev=14143.76 lat (usec): min=3564, max=86406, avg=20078.16, stdev=14143.72 clat percentiles (usec): | 1.00th=[ 5276], 5.00th=[ 7046], 10.00th=[ 7963], 20.00th=[ 9634], | 30.00th=[11207], 40.00th=[12649], 50.00th=[15139], 60.00th=[18220], | 70.00th=[21890], 80.00th=[27919], 90.00th=[41681], 95.00th=[51643], | 99.00th=[65799], 99.50th=[77071], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] bw ( KiB/s): min= 126, max= 640, per=25.50%, avg=326.08, stdev=138.41, samples=36 iops : min= 7, max= 40, avg=19.86, stdev= 8.78, samples=36 write: IOPS=21, BW=342KiB/s (350kB/s)(6256KiB/18308msec); 0 zone resets clat (msec): min=8, max=125, avg=27.18, stdev=15.89 lat (msec): min=8, max=125, avg=27.19, stdev=15.89 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 23], 60.00th=[ 26], | 70.00th=[ 31], 80.00th=[ 39], 90.00th=[ 50], 95.00th=[ 58], | 99.00th=[ 86], 99.50th=[ 118], 99.90th=[ 126], 99.95th=[ 126], | 99.99th=[ 126] bw ( KiB/s): min= 127, max= 606, per=25.29%, avg=340.44, stdev=120.16, samples=36 iops : min= 7, max= 37, avg=20.78, stdev= 7.59, samples=36 lat (msec) : 4=0.13%, 10=12.89%, 20=39.45%, 50=40.23%, 100=7.03% lat (msec) : 250=0.26% cpu : usr=0.09%, sys=9.55%, ctx=1094, 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=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=1279KiB/s (1310kB/s), 307KiB/s-344KiB/s (314kB/s-352kB/s), io=23.4MiB (24.5MB), run=18182-18722msec WRITE: bw=1346KiB/s (1378kB/s), 332KiB/s-350KiB/s (340kB/s-358kB/s), io=24.6MiB (25.8MB), run=18182-18722msec 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=193818: Mon Jul 14 04:29:21 2025 read: IOPS=1, BW=2033KiB/s (2082kB/s)(7168KiB/3525msec) clat (usec): min=830, max=1775.6k, avg=358855.32, stdev=627797.23 lat (usec): min=832, max=1775.6k, avg=358856.66, stdev=627797.19 clat percentiles (usec): | 1.00th=[ 832], 5.00th=[ 832], 10.00th=[ 832], | 20.00th=[ 105382], 30.00th=[ 132645], 40.00th=[ 132645], | 50.00th=[ 139461], 60.00th=[ 156238], 70.00th=[ 156238], | 80.00th=[ 202376], 90.00th=[1769997], 95.00th=[1769997], | 99.00th=[1769997], 99.50th=[1769997], 99.90th=[1769997], | 99.95th=[1769997], 99.99th=[1769997] bw ( KiB/s): min= 2048, max= 4096, per=55.27%, avg=3210.67, stdev=1051.79, samples=3 iops : min= 2, max= 4, avg= 3.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1452KiB/s (1487kB/s)(5120KiB/3525msec); 0 zone resets clat (msec): min=127, max=296, avg=183.06, stdev=65.36 lat (msec): min=127, max=296, avg=183.14, stdev=65.37 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 128], 10.00th=[ 128], 20.00th=[ 128], | 30.00th=[ 155], 40.00th=[ 155], 50.00th=[ 167], 60.00th=[ 167], | 70.00th=[ 171], 80.00th=[ 171], 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= 2048, max= 4096, per=37.77%, avg=3072.00, stdev=1448.15, samples=2 iops : min= 2, max= 4, avg= 3.00, stdev= 1.41, samples=2 lat (usec) : 1000=8.33% lat (msec) : 250=75.00%, 500=8.33%, 2000=8.33% cpu : usr=0.06%, sys=36.10%, ctx=1070, 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=193819: Mon Jul 14 04:29:21 2025 read: IOPS=0, BW=617KiB/s (632kB/s)(2048KiB/3319msec) clat (usec): min=874, max=185409, avg=93141.94, stdev=130485.85 lat (usec): min=875, max=185411, avg=93143.50, stdev=130486.49 clat percentiles (usec): | 1.00th=[ 873], 5.00th=[ 873], 10.00th=[ 873], 20.00th=[ 873], | 30.00th=[ 873], 40.00th=[ 873], 50.00th=[ 873], 60.00th=[185598], | 70.00th=[185598], 80.00th=[185598], 90.00th=[185598], 95.00th=[185598], | 99.00th=[185598], 99.50th=[185598], 99.90th=[185598], 99.95th=[185598], | 99.99th=[185598] bw ( KiB/s): min= 1741, max= 2035, per=32.50%, avg=1888.00, stdev=207.89, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3085KiB/s (3159kB/s)(10.0MiB/3319msec); 0 zone resets clat (msec): min=110, max=849, avg=305.67, stdev=222.46 lat (msec): min=110, max=849, avg=305.75, stdev=222.46 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 111], 10.00th=[ 111], 20.00th=[ 155], | 30.00th=[ 169], 40.00th=[ 186], 50.00th=[ 188], 60.00th=[ 207], | 70.00th=[ 342], 80.00th=[ 401], 90.00th=[ 451], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 2048, max= 8143, per=50.21%, avg=4083.75, stdev=2873.22, samples=4 iops : min= 2, max= 7, avg= 3.75, stdev= 2.36, samples=4 lat (usec) : 1000=8.33% lat (msec) : 250=58.33%, 500=25.00%, 1000=8.33% cpu : usr=0.03%, sys=39.12%, ctx=189, 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=193820: Mon Jul 14 04:29:21 2025 read: IOPS=1, BW=2043KiB/s (2092kB/s)(6144KiB/3007msec) clat (usec): min=672, max=211881, avg=113300.11, stdev=91016.85 lat (usec): min=674, max=211882, avg=113301.26, stdev=91016.69 clat percentiles (usec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[ 1037], | 30.00th=[ 1037], 40.00th=[129500], 50.00th=[129500], 60.00th=[162530], | 70.00th=[175113], 80.00th=[175113], 90.00th=[212861], 95.00th=[212861], | 99.00th=[212861], 99.50th=[212861], 99.90th=[212861], 99.95th=[212861], | 99.99th=[212861] bw ( KiB/s): min= 4071, max= 4096, per=70.30%, avg=4083.50, stdev=17.68, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=1, BW=2043KiB/s (2092kB/s)(6144KiB/3007msec); 0 zone resets clat (msec): min=142, max=728, avg=374.07, stdev=247.58 lat (msec): min=142, max=729, avg=374.14, stdev=247.58 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 144], 10.00th=[ 144], 20.00th=[ 146], | 30.00th=[ 146], 40.00th=[ 262], 50.00th=[ 262], 60.00th=[ 347], | 70.00th=[ 625], 80.00th=[ 625], 90.00th=[ 726], 95.00th=[ 726], | 99.00th=[ 726], 99.50th=[ 726], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 2035, max= 3488, per=29.57%, avg=2404.75, stdev=722.19, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (usec) : 750=8.33% lat (msec) : 2=8.33%, 250=50.00%, 500=16.67%, 750=16.67% cpu : usr=0.00%, sys=35.03%, ctx=755, 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=193821: Mon Jul 14 04:29:21 2025 read: IOPS=1, BW=1766KiB/s (1808kB/s)(5120KiB/2900msec) clat (usec): min=839, max=156169, avg=114831.46, stdev=64264.63 lat (usec): min=840, max=156170, avg=114832.63, stdev=64264.65 clat percentiles (usec): | 1.00th=[ 840], 5.00th=[ 840], 10.00th=[ 840], 20.00th=[ 840], | 30.00th=[133694], 40.00th=[133694], 50.00th=[139461], 60.00th=[139461], | 70.00th=[143655], 80.00th=[143655], 90.00th=[156238], 95.00th=[156238], | 99.00th=[156238], 99.50th=[156238], 99.90th=[156238], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2472KiB/s (2531kB/s)(7168KiB/2900msec); 0 zone resets clat (msec): min=129, max=1040, avg=330.48, stdev=338.74 lat (msec): min=129, max=1040, avg=330.57, stdev=338.71 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 130], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 165], 60.00th=[ 192], | 70.00th=[ 192], 80.00th=[ 498], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 1768, max= 6144, per=40.82%, avg=3320.00, stdev=2449.66, samples=3 iops : min= 1, max= 6, avg= 3.00, stdev= 2.65, samples=3 lat (usec) : 1000=8.33% lat (msec) : 250=75.00%, 500=8.33%, 2000=8.33% cpu : usr=0.03%, sys=41.60%, ctx=234, 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=5810KiB/s (5949kB/s), 617KiB/s-2043KiB/s (632kB/s-2092kB/s), io=20.0MiB (20.0MB), run=2900-3525msec WRITE: bw=8134KiB/s (8329kB/s), 1452KiB/s-3085KiB/s (1487kB/s-3159kB/s), io=28.0MiB (29.4MB), run=2900-3525msec rand-rw: (groupid=0, jobs=1): err= 0: pid=193823: Mon Jul 14 04:29:22 2025 read: IOPS=1, BW=1921KiB/s (1967kB/s)(7168KiB/3732msec) clat (msec): min=48, max=1371, avg=361.23, stdev=476.65 lat (msec): min=48, max=1371, avg=361.23, stdev=476.65 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 48], 10.00th=[ 48], 20.00th=[ 49], | 30.00th=[ 71], 40.00th=[ 71], 50.00th=[ 203], 60.00th=[ 264], | 70.00th=[ 264], 80.00th=[ 527], 90.00th=[ 1368], 95.00th=[ 1368], | 99.00th=[ 1368], 99.50th=[ 1368], 99.90th=[ 1368], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 1799, max= 4096, per=45.56%, avg=2490.50, stdev=1076.09, samples=4 iops : min= 1, max= 4, avg= 2.00, stdev= 1.41, samples=4 write: IOPS=1, BW=1372KiB/s (1405kB/s)(5120KiB/3732msec); 0 zone resets clat (msec): min=45, max=394, avg=224.39, stdev=156.12 lat (msec): min=45, max=394, avg=224.48, stdev=156.11 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 46], 10.00th=[ 46], 20.00th=[ 46], | 30.00th=[ 75], 40.00th=[ 75], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 334], 80.00th=[ 334], 90.00th=[ 397], 95.00th=[ 397], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] bw ( KiB/s): min= 2019, max= 4087, per=39.89%, avg=3053.00, stdev=1462.30, samples=2 iops : min= 1, max= 3, avg= 2.00, stdev= 1.41, samples=2 lat (msec) : 50=25.00%, 100=16.67%, 250=8.33%, 500=33.33%, 750=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=12.03%, ctx=70, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193824: Mon Jul 14 04:29:22 2025 read: IOPS=0, BW=547KiB/s (560kB/s)(2048KiB/3746msec) clat (msec): min=216, max=410, avg=313.08, stdev=137.28 lat (msec): min=216, max=410, avg=313.08, stdev=137.28 clat percentiles (msec): | 1.00th=[ 218], 5.00th=[ 218], 10.00th=[ 218], 20.00th=[ 218], | 30.00th=[ 218], 40.00th=[ 218], 50.00th=[ 218], 60.00th=[ 409], | 70.00th=[ 409], 80.00th=[ 409], 90.00th=[ 409], 95.00th=[ 409], | 99.00th=[ 409], 99.50th=[ 409], 99.90th=[ 409], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 1762, max= 2019, per=34.58%, avg=1890.50, stdev=181.73, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2734KiB/s (2799kB/s)(10.0MiB/3746msec); 0 zone resets clat (msec): min=71, max=754, avg=308.73, stdev=206.60 lat (msec): min=71, max=754, avg=308.82, stdev=206.60 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 72], 10.00th=[ 72], 20.00th=[ 104], | 30.00th=[ 148], 40.00th=[ 169], 50.00th=[ 271], 60.00th=[ 334], | 70.00th=[ 372], 80.00th=[ 384], 90.00th=[ 481], 95.00th=[ 751], | 99.00th=[ 751], 99.50th=[ 751], 99.90th=[ 751], 99.95th=[ 751], | 99.99th=[ 751] bw ( KiB/s): min= 2048, max= 4087, per=42.51%, avg=3253.80, stdev=1100.89, samples=5 iops : min= 2, max= 3, avg= 2.60, stdev= 0.55, samples=5 lat (msec) : 100=8.33%, 250=33.33%, 500=50.00%, 1000=8.33% cpu : usr=0.03%, sys=21.36%, ctx=250, 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=193825: Mon Jul 14 04:29:22 2025 read: IOPS=1, BW=1718KiB/s (1759kB/s)(6144KiB/3577msec) clat (msec): min=66, max=325, avg=187.36, stdev=109.79 lat (msec): min=66, max=325, avg=187.37, stdev=109.79 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 69], | 30.00th=[ 69], 40.00th=[ 144], 50.00th=[ 144], 60.00th=[ 249], | 70.00th=[ 271], 80.00th=[ 271], 90.00th=[ 326], 95.00th=[ 326], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 2019, max= 6071, per=61.81%, avg=3379.33, stdev=2331.10, samples=3 iops : min= 1, max= 5, avg= 2.67, stdev= 2.08, samples=3 write: IOPS=1, BW=1718KiB/s (1759kB/s)(6144KiB/3577msec); 0 zone resets clat (msec): min=70, max=785, avg=397.23, stdev=296.41 lat (msec): min=70, max=785, avg=397.31, stdev=296.43 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 70], 10.00th=[ 70], 20.00th=[ 78], | 30.00th=[ 78], 40.00th=[ 380], 50.00th=[ 380], 60.00th=[ 393], | 70.00th=[ 676], 80.00th=[ 676], 90.00th=[ 785], 95.00th=[ 785], | 99.00th=[ 785], 99.50th=[ 785], 99.90th=[ 785], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 2023, max= 3561, per=31.62%, avg=2420.00, stdev=760.76, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (msec) : 100=33.33%, 250=16.67%, 500=33.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=15.18%, ctx=103, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193826: Mon Jul 14 04:29:22 2025 read: IOPS=1, BW=1574KiB/s (1612kB/s)(5120KiB/3253msec) clat (usec): min=56232, max=81165, avg=66613.17, stdev=9212.62 lat (usec): min=56233, max=81166, avg=66614.48, stdev=9212.45 clat percentiles (usec): | 1.00th=[56361], 5.00th=[56361], 10.00th=[56361], 20.00th=[56361], | 30.00th=[63701], 40.00th=[63701], 50.00th=[63701], 60.00th=[63701], | 70.00th=[68682], 80.00th=[68682], 90.00th=[81265], 95.00th=[81265], | 99.00th=[81265], 99.50th=[81265], 99.90th=[81265], 99.95th=[81265], | 99.99th=[81265] bw ( KiB/s): min= 2019, max= 6071, per=73.99%, avg=4045.00, stdev=2865.20, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2204KiB/s (2256kB/s)(7168KiB/3253msec); 0 zone resets clat (msec): min=98, max=759, avg=374.87, stdev=279.81 lat (msec): min=98, max=759, avg=374.95, stdev=279.81 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 99], 10.00th=[ 99], 20.00th=[ 186], | 30.00th=[ 188], 40.00th=[ 188], 50.00th=[ 205], 60.00th=[ 439], | 70.00th=[ 439], 80.00th=[ 751], 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= 1765, max= 4096, per=39.05%, avg=2989.00, stdev=1255.45, samples=4 iops : min= 1, max= 4, avg= 2.50, stdev= 1.29, samples=4 lat (msec) : 100=50.00%, 250=25.00%, 500=8.33%, 1000=16.67% cpu : usr=0.00%, sys=18.20%, ctx=98, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=5467KiB/s (5598kB/s), 547KiB/s-1921KiB/s (560kB/s-1967kB/s), io=20.0MiB (20.0MB), run=3253-3746msec WRITE: bw=7654KiB/s (7838kB/s), 1372KiB/s-2734KiB/s (1405kB/s-2799kB/s), io=28.0MiB (29.4MB), run=3253-3746msec 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=193837: Mon Jul 14 04:29:30 2025 read: IOPS=2, BW=8365KiB/s (8566kB/s)(12.0MiB/1469msec) clat (msec): min=445, max=484, avg=469.04, stdev=20.85 lat (msec): min=445, max=484, avg=469.05, stdev=20.85 clat percentiles (msec): | 1.00th=[ 447], 5.00th=[ 447], 10.00th=[ 447], 20.00th=[ 447], | 30.00th=[ 447], 40.00th=[ 477], 50.00th=[ 477], 60.00th=[ 477], | 70.00th=[ 485], 80.00th=[ 485], 90.00th=[ 485], 95.00th=[ 485], | 99.00th=[ 485], 99.50th=[ 485], 99.90th=[ 485], 99.95th=[ 485], | 99.99th=[ 485] 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=100.00% cpu : usr=0.07%, sys=53.41%, ctx=1789, 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=193838: Mon Jul 14 04:29:30 2025 read: IOPS=0, BW=1411KiB/s (1445kB/s)(4096KiB/2903msec) clat (nsec): min=476035k, max=476035k, avg=476034707.00, stdev= 0.00 lat (nsec): min=476037k, max=476037k, avg=476036992.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 477], 50.00th=[ 477], 60.00th=[ 477], | 70.00th=[ 477], 80.00th=[ 477], 90.00th=[ 477], 95.00th=[ 477], | 99.00th=[ 477], 99.50th=[ 477], 99.90th=[ 477], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 5587, max= 5587, per=99.01%, avg=5587.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2822KiB/s (2890kB/s)(8192KiB/2903msec); 0 zone resets clat (msec): min=1027, max=1350, avg=1188.64, stdev=228.23 lat (msec): min=1027, max=1350, avg=1189.02, stdev=228.19 clat percentiles (msec): | 1.00th=[ 1028], 5.00th=[ 1028], 10.00th=[ 1028], 20.00th=[ 1028], | 30.00th=[ 1028], 40.00th=[ 1028], 50.00th=[ 1028], 60.00th=[ 1351], | 70.00th=[ 1351], 80.00th=[ 1351], 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= 8143, max= 8143, per=75.70%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.03%, sys=32.74%, ctx=878, 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=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=193839: Mon Jul 14 04:29:30 2025 write: IOPS=0, BW=4034KiB/s (4131kB/s)(12.0MiB/3046msec); 0 zone resets clat (msec): min=557, max=1498, avg=1009.58, stdev=471.59 lat (msec): min=558, max=1499, avg=1010.05, stdev=471.64 clat percentiles (msec): | 1.00th=[ 558], 5.00th=[ 558], 10.00th=[ 558], 20.00th=[ 558], | 30.00th=[ 558], 40.00th=[ 969], 50.00th=[ 969], 60.00th=[ 969], | 70.00th=[ 1502], 80.00th=[ 1502], 90.00th=[ 1502], 95.00th=[ 1502], | 99.00th=[ 1502], 99.50th=[ 1502], 99.90th=[ 1502], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 8143, max= 8192, per=75.93%, avg=8167.50, stdev=34.65, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.07%, sys=44.63%, ctx=75, 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=193840: Mon Jul 14 04:29:30 2025 write: IOPS=1, BW=4160KiB/s (4260kB/s)(12.0MiB/2954msec); 0 zone resets clat (msec): min=885, max=1114, avg=971.45, stdev=125.12 lat (msec): min=885, max=1115, avg=971.85, stdev=124.96 clat percentiles (msec): | 1.00th=[ 885], 5.00th=[ 885], 10.00th=[ 885], 20.00th=[ 885], | 30.00th=[ 885], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 1116], 80.00th=[ 1116], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 8143, max= 8192, per=75.93%, avg=8167.50, stdev=34.65, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 1000=66.67%, 2000=33.33% cpu : usr=0.03%, sys=53.17%, ctx=137, 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 Run status group 0 (all jobs): READ: bw=5644KiB/s (5779kB/s), 1411KiB/s-8365KiB/s (1445kB/s-8566kB/s), io=16.0MiB (16.8MB), run=1469-2903msec WRITE: bw=10.5MiB/s (11.0MB/s), 2822KiB/s-4160KiB/s (2890kB/s-4260kB/s), io=32.0MiB (33.6MB), run=2903-3046msec rand-rw: (groupid=0, jobs=1): err= 0: pid=193833: Mon Jul 14 04:29:31 2025 read: IOPS=1, BW=5032KiB/s (5153kB/s)(12.0MiB/2442msec) clat (msec): min=603, max=1193, avg=807.93, stdev=333.82 lat (msec): min=603, max=1193, avg=807.93, stdev=333.82 clat percentiles (msec): | 1.00th=[ 600], 5.00th=[ 600], 10.00th=[ 600], 20.00th=[ 600], | 30.00th=[ 600], 40.00th=[ 625], 50.00th=[ 625], 60.00th=[ 625], | 70.00th=[ 1200], 80.00th=[ 1200], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 8159, max= 8192, per=100.00%, avg=8175.50, stdev=23.33, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.00%, sys=14.34%, ctx=64, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193834: Mon Jul 14 04:29:31 2025 read: IOPS=0, BW=1218KiB/s (1248kB/s)(4096KiB/3362msec) clat (nsec): min=138430k, max=138430k, avg=138430268.00, stdev= 0.00 lat (nsec): min=138432k, max=138432k, avg=138432388.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 140], 60.00th=[ 140], | 70.00th=[ 140], 80.00th=[ 140], 90.00th=[ 140], 95.00th=[ 140], | 99.00th=[ 140], 99.50th=[ 140], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 7353, max= 7353, per=100.00%, avg=7353.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2437KiB/s (2495kB/s)(8192KiB/3362msec); 0 zone resets clat (msec): min=734, max=2436, avg=1585.60, stdev=1203.00 lat (msec): min=735, max=2436, avg=1585.92, stdev=1203.01 clat percentiles (msec): | 1.00th=[ 735], 5.00th=[ 735], 10.00th=[ 735], 20.00th=[ 735], | 30.00th=[ 735], 40.00th=[ 735], 50.00th=[ 735], 60.00th=[ 2433], | 70.00th=[ 2433], 80.00th=[ 2433], 90.00th=[ 2433], 95.00th=[ 2433], | 99.00th=[ 2433], 99.50th=[ 2433], 99.90th=[ 2433], 99.95th=[ 2433], | 99.99th=[ 2433] bw ( KiB/s): min= 8192, max= 8192, per=95.16%, 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%, 750=33.33%, >=2000=33.33% cpu : usr=0.03%, sys=10.95%, ctx=53, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193835: Mon Jul 14 04:29:31 2025 write: IOPS=0, BW=3229KiB/s (3306kB/s)(12.0MiB/3806msec); 0 zone resets clat (msec): min=422, max=2259, avg=1256.68, stdev=930.22 lat (msec): min=423, max=2260, avg=1257.14, stdev=930.30 clat percentiles (msec): | 1.00th=[ 422], 5.00th=[ 422], 10.00th=[ 422], 20.00th=[ 422], | 30.00th=[ 422], 40.00th=[ 1083], 50.00th=[ 1083], 60.00th=[ 1083], | 70.00th=[ 2265], 80.00th=[ 2265], 90.00th=[ 2265], 95.00th=[ 2265], | 99.00th=[ 2265], 99.50th=[ 2265], 99.90th=[ 2265], 99.95th=[ 2265], | 99.99th=[ 2265] bw ( KiB/s): min= 8175, max= 8192, per=95.06%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=22.63%, ctx=74, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=193836: Mon Jul 14 04:29:31 2025 write: IOPS=1, BW=4983KiB/s (5103kB/s)(12.0MiB/2466msec); 0 zone resets clat (msec): min=229, max=1865, avg=808.97, stdev=916.64 lat (msec): min=229, max=1866, avg=809.33, stdev=916.57 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 230], 10.00th=[ 230], 20.00th=[ 230], | 30.00th=[ 230], 40.00th=[ 334], 50.00th=[ 334], 60.00th=[ 334], | 70.00th=[ 1871], 80.00th=[ 1871], 90.00th=[ 1871], 95.00th=[ 1871], | 99.00th=[ 1871], 99.50th=[ 1871], 99.90th=[ 1871], 99.95th=[ 1871], | 99.99th=[ 1871] bw ( KiB/s): min= 8094, max= 8159, per=94.40%, avg=8126.50, stdev=45.96, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 2000=33.33% cpu : usr=0.00%, sys=13.02%, ctx=190, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=4873KiB/s (4990kB/s), 1218KiB/s-5032KiB/s (1248kB/s-5153kB/s), io=16.0MiB (16.8MB), run=2442-3362msec WRITE: bw=8610KiB/s (8816kB/s), 2437KiB/s-4983KiB/s (2495kB/s-5103kB/s), io=32.0MiB (33.6MB), run=2466-3806msec