== sanity test 398b: DIO and buffer IO race ============== 22:09:58 (1781662198) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.08235 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=159183: Tue Jun 16 22:10:50 2026 read: IOPS=34, BW=139KiB/s (142kB/s)(5992KiB/43154msec) clat (usec): min=37, max=626456, avg=14910.72, stdev=17998.83 lat (usec): min=37, max=626456, avg=14911.25, stdev=17998.84 clat percentiles (usec): | 1.00th=[ 77], 5.00th=[ 4228], 10.00th=[ 7242], 20.00th=[ 8586], | 30.00th=[ 9634], 40.00th=[ 11207], 50.00th=[ 13042], 60.00th=[ 15008], | 70.00th=[ 17171], 80.00th=[ 19268], 90.00th=[ 24511], 95.00th=[ 29492], | 99.00th=[ 42206], 99.50th=[ 56886], 99.90th=[ 87557], 99.95th=[624952], | 99.99th=[624952] bw ( KiB/s): min= 6, max= 240, per=25.30%, avg=138.38, stdev=36.61, samples=85 iops : min= 1, max= 60, avg=34.27, stdev= 9.24, samples=85 write: IOPS=36, BW=146KiB/s (149kB/s)(6296KiB/43154msec); 0 zone resets clat (usec): min=713, max=184443, avg=13147.96, stdev=11158.03 lat (usec): min=714, max=184443, avg=13148.63, stdev=11158.06 clat percentiles (usec): | 1.00th=[ 1004], 5.00th=[ 2376], 10.00th=[ 2835], 20.00th=[ 3720], | 30.00th=[ 5735], 40.00th=[ 8848], 50.00th=[ 10945], 60.00th=[ 13304], | 70.00th=[ 16581], 80.00th=[ 20579], 90.00th=[ 25822], 95.00th=[ 31327], | 99.00th=[ 49021], 99.50th=[ 55313], 99.90th=[ 85459], 99.95th=[183501], | 99.99th=[183501] bw ( KiB/s): min= 80, max= 232, per=25.63%, avg=146.61, stdev=35.95, samples=84 iops : min= 20, max= 58, avg=36.33, stdev= 9.01, samples=84 lat (usec) : 50=0.10%, 100=1.24%, 250=0.94%, 750=0.13%, 1000=0.39% lat (msec) : 2=1.20%, 4=10.09%, 10=24.90%, 20=41.73%, 50=18.52% lat (msec) : 100=0.68%, 250=0.03%, 750=0.03% cpu : usr=0.08%, sys=27.73%, ctx=8952, 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=159184: Tue Jun 16 22:10:50 2026 read: IOPS=34, BW=136KiB/s (140kB/s)(5940KiB/43584msec) clat (usec): min=30, max=184546, avg=15000.65, stdev=9943.56 lat (usec): min=31, max=184547, avg=15001.56, stdev=9943.71 clat percentiles (usec): | 1.00th=[ 76], 5.00th=[ 5735], 10.00th=[ 7242], 20.00th=[ 8586], | 30.00th=[ 9896], 40.00th=[ 11469], 50.00th=[ 12911], 60.00th=[ 14877], | 70.00th=[ 17171], 80.00th=[ 19792], 90.00th=[ 24773], 95.00th=[ 31851], | 99.00th=[ 47449], 99.50th=[ 56361], 99.90th=[ 89654], 99.95th=[183501], | 99.99th=[183501] bw ( KiB/s): min= 6, max= 216, per=24.82%, avg=135.74, stdev=38.29, samples=86 iops : min= 1, max= 54, avg=33.62, stdev= 9.65, samples=86 write: IOPS=36, BW=146KiB/s (149kB/s)(6348KiB/43584msec); 0 zone resets clat (usec): min=716, max=618649, avg=13351.37, stdev=18620.57 lat (usec): min=717, max=618650, avg=13352.09, stdev=18620.55 clat percentiles (usec): | 1.00th=[ 1139], 5.00th=[ 2376], 10.00th=[ 2900], 20.00th=[ 3654], | 30.00th=[ 5800], 40.00th=[ 8717], 50.00th=[ 10945], 60.00th=[ 13304], | 70.00th=[ 15926], 80.00th=[ 19268], 90.00th=[ 26608], 95.00th=[ 32375], | 99.00th=[ 47973], 99.50th=[ 58983], 99.90th=[127402], 99.95th=[616563], | 99.99th=[616563] bw ( KiB/s): min= 63, max= 240, per=25.53%, avg=146.01, stdev=38.69, samples=85 iops : min= 15, max= 60, avg=36.19, stdev= 9.73, samples=85 lat (usec) : 50=0.13%, 100=0.75%, 250=0.78%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.33% lat (msec) : 2=1.33%, 4=10.61%, 10=24.67%, 20=42.25%, 50=18.26% lat (msec) : 100=0.68%, 250=0.07%, 750=0.03% cpu : usr=0.08%, sys=27.48%, ctx=9024, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=159185: Tue Jun 16 22:10:50 2026 read: IOPS=34, BW=137KiB/s (141kB/s)(6028KiB/43848msec) clat (usec): min=29, max=85472, avg=14956.73, stdev=8889.68 lat (usec): min=29, max=85473, avg=14957.41, stdev=8889.75 clat percentiles (usec): | 1.00th=[ 100], 5.00th=[ 5604], 10.00th=[ 6980], 20.00th=[ 8717], | 30.00th=[10159], 40.00th=[11600], 50.00th=[13304], 60.00th=[15270], | 70.00th=[17695], 80.00th=[20579], 90.00th=[24249], 95.00th=[29230], | 99.00th=[47973], 99.50th=[59507], 99.90th=[83362], 99.95th=[85459], | 99.99th=[85459] bw ( KiB/s): min= 63, max= 256, per=25.40%, avg=138.93, stdev=35.66, samples=86 iops : min= 15, max= 64, avg=34.42, stdev= 8.96, samples=86 write: IOPS=35, BW=143KiB/s (146kB/s)(6260KiB/43848msec); 0 zone resets clat (usec): min=659, max=659945, avg=13534.63, stdev=19403.52 lat (usec): min=660, max=659946, avg=13535.40, stdev=19403.52 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 2147], 10.00th=[ 2737], 20.00th=[ 3523], | 30.00th=[ 5473], 40.00th=[ 8717], 50.00th=[ 11076], 60.00th=[ 13566], | 70.00th=[ 16712], 80.00th=[ 20841], 90.00th=[ 26346], 95.00th=[ 31851], | 99.00th=[ 46400], 99.50th=[ 53216], 99.90th=[ 96994], 99.95th=[658506], | 99.99th=[658506] bw ( KiB/s): min= 72, max= 288, per=25.16%, avg=143.94, stdev=37.70, samples=86 iops : min= 18, max= 72, avg=35.67, stdev= 9.48, samples=86 lat (usec) : 50=0.13%, 100=0.36%, 250=1.27%, 750=0.13%, 1000=0.23% lat (msec) : 2=1.79%, 4=9.83%, 10=23.80%, 20=40.30%, 50=21.42% lat (msec) : 100=0.72%, 750=0.03% cpu : usr=0.09%, sys=27.32%, ctx=9007, 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=159186: Tue Jun 16 22:10:50 2026 read: IOPS=34, BW=138KiB/s (141kB/s)(6052KiB/43884msec) clat (usec): min=28, max=155594, avg=14892.36, stdev=8886.36 lat (usec): min=28, max=155595, avg=14897.65, stdev=8900.73 clat percentiles (usec): | 1.00th=[ 80], 5.00th=[ 4752], 10.00th=[ 6849], 20.00th=[ 8717], | 30.00th=[ 10028], 40.00th=[ 11600], 50.00th=[ 13435], 60.00th=[ 15533], | 70.00th=[ 17957], 80.00th=[ 20579], 90.00th=[ 24773], 95.00th=[ 28705], | 99.00th=[ 42206], 99.50th=[ 49546], 99.90th=[ 78119], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 56, max= 216, per=25.38%, avg=138.83, stdev=33.56, samples=86 iops : min= 14, max= 54, avg=34.40, stdev= 8.46, samples=86 write: IOPS=35, BW=142KiB/s (146kB/s)(6236KiB/43884msec); 0 zone resets clat (usec): min=677, max=661119, avg=13614.88, stdev=19633.98 lat (usec): min=677, max=661121, avg=13616.23, stdev=19633.68 clat percentiles (usec): | 1.00th=[ 906], 5.00th=[ 2278], 10.00th=[ 2835], 20.00th=[ 3589], | 30.00th=[ 5604], 40.00th=[ 8455], 50.00th=[ 10814], 60.00th=[ 13435], | 70.00th=[ 16450], 80.00th=[ 20579], 90.00th=[ 26870], 95.00th=[ 32900], | 99.00th=[ 53216], 99.50th=[ 62653], 99.90th=[ 74974], 99.95th=[658506], | 99.99th=[658506] bw ( KiB/s): min= 63, max= 247, per=25.05%, avg=143.29, stdev=39.80, samples=86 iops : min= 15, max= 61, avg=35.51, stdev= 9.96, samples=86 lat (usec) : 50=0.16%, 100=0.98%, 250=0.88%, 750=0.33%, 1000=0.39% lat (msec) : 2=1.07%, 4=10.25%, 10=24.28%, 20=39.62%, 50=21.19% lat (msec) : 100=0.78%, 250=0.03%, 750=0.03% cpu : usr=0.11%, sys=27.25%, ctx=8989, 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=547KiB/s (560kB/s), 136KiB/s-139KiB/s (140kB/s-142kB/s), io=23.4MiB (24.6MB), run=43154-43884msec WRITE: bw=573KiB/s (587kB/s), 142KiB/s-146KiB/s (146kB/s-149kB/s), io=24.6MiB (25.7MB), run=43154-43884msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159178: Tue Jun 16 22:11:14 2026 read: IOPS=22, BW=88.4KiB/s (90.6kB/s)(5992KiB/67752msec) clat (msec): min=2, max=634, avg=14.14, stdev=19.19 lat (msec): min=2, max=634, avg=14.14, stdev=19.19 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 7], | 30.00th=[ 9], 40.00th=[ 10], 50.00th=[ 11], 60.00th=[ 12], | 70.00th=[ 15], 80.00th=[ 20], 90.00th=[ 27], 95.00th=[ 35], | 99.00th=[ 55], 99.50th=[ 69], 99.90th=[ 94], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 23, max= 216, per=25.19%, avg=89.16, stdev=45.55, samples=134 iops : min= 5, max= 54, avg=22.08, stdev=11.51, samples=134 write: IOPS=23, BW=92.9KiB/s (95.2kB/s)(6296KiB/67752msec); 0 zone resets clat (msec): min=11, max=184, avg=29.48, stdev=15.37 lat (msec): min=11, max=184, avg=29.48, stdev=15.37 clat percentiles (msec): | 1.00th=[ 13], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 19], | 30.00th=[ 21], 40.00th=[ 23], 50.00th=[ 25], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 39], 90.00th=[ 49], 95.00th=[ 59], | 99.00th=[ 84], 99.50th=[ 97], 99.90th=[ 142], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 23, max= 200, per=25.31%, avg=93.63, stdev=39.38, samples=134 iops : min= 5, max= 50, avg=23.20, stdev=10.00, samples=134 lat (msec) : 4=2.77%, 10=20.12%, 20=31.64%, 50=40.10%, 100=5.18% lat (msec) : 250=0.16%, 750=0.03% cpu : usr=0.07%, sys=10.83%, ctx=6305, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=159179: Tue Jun 16 22:11:14 2026 read: IOPS=21, BW=87.6KiB/s (89.7kB/s)(5940KiB/67820msec) clat (msec): min=2, max=635, avg=13.90, stdev=19.49 lat (msec): min=2, max=635, avg=13.90, stdev=19.49 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 9], 50.00th=[ 11], 60.00th=[ 12], | 70.00th=[ 15], 80.00th=[ 19], 90.00th=[ 27], 95.00th=[ 34], | 99.00th=[ 60], 99.50th=[ 70], 99.90th=[ 107], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 15, max= 232, per=24.92%, avg=88.20, stdev=46.65, samples=134 iops : min= 3, max= 58, avg=21.84, stdev=11.80, samples=134 write: IOPS=23, BW=93.6KiB/s (95.8kB/s)(6348KiB/67820msec); 0 zone resets clat (msec): min=11, max=187, avg=29.62, stdev=15.34 lat (msec): min=11, max=187, avg=29.62, stdev=15.34 clat percentiles (msec): | 1.00th=[ 13], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 19], | 30.00th=[ 20], 40.00th=[ 22], 50.00th=[ 25], 60.00th=[ 28], | 70.00th=[ 34], 80.00th=[ 41], 90.00th=[ 51], 95.00th=[ 59], | 99.00th=[ 81], 99.50th=[ 92], 99.90th=[ 138], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 31, max= 208, per=25.44%, avg=94.11, stdev=41.09, samples=134 iops : min= 7, max= 52, avg=23.32, stdev=10.42, samples=134 lat (msec) : 4=2.73%, 10=21.03%, 20=32.03%, 50=38.15%, 100=5.83% lat (msec) : 250=0.20%, 750=0.03% cpu : usr=0.08%, sys=10.66%, ctx=6339, 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=159180: Tue Jun 16 22:11:14 2026 read: IOPS=22, BW=89.4KiB/s (91.6kB/s)(6028KiB/67391msec) clat (usec): min=2517, max=96581, avg=13598.43, stdev=10545.83 lat (usec): min=2518, max=96582, avg=13599.10, stdev=10545.83 clat percentiles (usec): | 1.00th=[ 3261], 5.00th=[ 4113], 10.00th=[ 4883], 20.00th=[ 6718], | 30.00th=[ 7963], 40.00th=[ 8979], 50.00th=[10159], 60.00th=[11863], | 70.00th=[14353], 80.00th=[18482], 90.00th=[26346], 95.00th=[34341], | 99.00th=[56886], 99.50th=[64750], 99.90th=[80217], 99.95th=[96994], | 99.99th=[96994] bw ( KiB/s): min= 23, max= 224, per=25.43%, avg=90.01, stdev=43.17, samples=133 iops : min= 5, max= 56, avg=22.29, stdev=10.91, samples=133 write: IOPS=23, BW=92.9KiB/s (95.1kB/s)(6260KiB/67391msec); 0 zone resets clat (msec): min=11, max=652, avg=29.85, stdev=21.90 lat (msec): min=11, max=652, avg=29.85, stdev=21.90 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 17], 20.00th=[ 19], | 30.00th=[ 21], 40.00th=[ 23], 50.00th=[ 25], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 40], 90.00th=[ 49], 95.00th=[ 58], | 99.00th=[ 83], 99.50th=[ 97], 99.90th=[ 188], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 39, max= 184, per=25.25%, avg=93.44, stdev=39.32, samples=133 iops : min= 9, max= 46, avg=23.15, stdev= 9.98, samples=133 lat (msec) : 4=2.18%, 10=21.58%, 20=30.34%, 50=40.40%, 100=5.31% lat (msec) : 250=0.16%, 750=0.03% cpu : usr=0.10%, sys=10.70%, ctx=6340, 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=159181: Tue Jun 16 22:11:14 2026 read: IOPS=22, BW=89.0KiB/s (92.1kB/s)(6052KiB/67271msec) clat (usec): min=2598, max=93469, avg=13527.21, stdev=10723.91 lat (usec): min=2598, max=93469, avg=13527.93, stdev=10723.92 clat percentiles (usec): | 1.00th=[ 3130], 5.00th=[ 4047], 10.00th=[ 4817], 20.00th=[ 6652], | 30.00th=[ 7832], 40.00th=[ 8848], 50.00th=[10159], 60.00th=[11731], | 70.00th=[14091], 80.00th=[18220], 90.00th=[26084], 95.00th=[33817], | 99.00th=[58459], 99.50th=[64750], 99.90th=[88605], 99.95th=[93848], | 99.99th=[93848] bw ( KiB/s): min= 8, max= 240, per=25.61%, avg=90.67, stdev=44.95, samples=133 iops : min= 2, max= 60, avg=22.46, stdev=11.35, samples=133 write: IOPS=23, BW=92.7KiB/s (94.9kB/s)(6236KiB/67271msec); 0 zone resets clat (msec): min=11, max=651, avg=29.91, stdev=21.73 lat (msec): min=11, max=651, avg=29.91, stdev=21.73 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 17], 20.00th=[ 19], | 30.00th=[ 21], 40.00th=[ 23], 50.00th=[ 25], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 40], 90.00th=[ 48], 95.00th=[ 58], | 99.00th=[ 86], 99.50th=[ 94], 99.90th=[ 192], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 39, max= 176, per=25.24%, avg=93.38, stdev=38.72, samples=133 iops : min= 9, max= 44, avg=23.14, stdev= 9.83, samples=133 lat (msec) : 4=2.38%, 10=21.88%, 20=30.44%, 50=39.84%, 100=5.27% lat (msec) : 250=0.16%, 750=0.03% cpu : usr=0.08%, sys=10.92%, ctx=6165, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=354KiB/s (363kB/s), 87.6KiB/s-89.0KiB/s (89.7kB/s-92.1kB/s), io=23.4MiB (24.6MB), run=67271-67820msec WRITE: bw=371KiB/s (380kB/s), 92.7KiB/s-93.6KiB/s (94.9kB/s-95.8kB/s), io=24.6MiB (25.7MB), run=67271-67820msec 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=159208: Tue Jun 16 22:11:36 2026 read: IOPS=22, BW=359KiB/s (368kB/s)(5920KiB/16495msec) clat (usec): min=61, max=92127, avg=22604.99, stdev=15007.13 lat (usec): min=62, max=92128, avg=22605.63, stdev=15007.17 clat percentiles (usec): | 1.00th=[ 93], 5.00th=[ 172], 10.00th=[ 3392], 20.00th=[11469], | 30.00th=[15008], 40.00th=[18220], 50.00th=[20579], 60.00th=[22414], | 70.00th=[27132], 80.00th=[32900], 90.00th=[42206], 95.00th=[47449], | 99.00th=[73925], 99.50th=[90702], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 160, max= 702, per=25.22%, avg=355.91, stdev=125.96, samples=32 iops : min= 10, max= 43, avg=21.72, stdev= 7.82, samples=32 write: IOPS=24, BW=386KiB/s (395kB/s)(6368KiB/16495msec); 0 zone resets clat (usec): min=1193, max=79324, avg=20310.60, stdev=14450.43 lat (usec): min=1194, max=79326, avg=20311.83, stdev=14450.52 clat percentiles (usec): | 1.00th=[ 2704], 5.00th=[ 4621], 10.00th=[ 5932], 20.00th=[ 8225], | 30.00th=[10421], 40.00th=[13304], 50.00th=[16319], 60.00th=[19792], | 70.00th=[23725], 80.00th=[31851], 90.00th=[40633], 95.00th=[49546], | 99.00th=[68682], 99.50th=[78119], 99.90th=[79168], 99.95th=[79168], | 99.99th=[79168] bw ( KiB/s): min= 63, max= 672, per=26.04%, avg=386.63, stdev=131.06, samples=32 iops : min= 3, max= 42, avg=23.63, stdev= 8.21, samples=32 lat (usec) : 100=0.52%, 250=3.65%, 500=0.52% lat (msec) : 2=0.13%, 4=1.30%, 10=15.89%, 20=32.42%, 50=41.02% lat (msec) : 100=4.56% cpu : usr=0.08%, sys=31.65%, ctx=2935, 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=159209: Tue Jun 16 22:11:36 2026 read: IOPS=21, BW=349KiB/s (358kB/s)(5744KiB/16445msec) clat (usec): min=86, max=95170, avg=21325.29, stdev=12748.75 lat (usec): min=86, max=95171, avg=21325.91, stdev=12748.79 clat percentiles (usec): | 1.00th=[ 115], 5.00th=[ 167], 10.00th=[ 355], 20.00th=[12387], | 30.00th=[15270], 40.00th=[17957], 50.00th=[20579], 60.00th=[23200], | 70.00th=[25822], 80.00th=[29492], 90.00th=[36963], 95.00th=[42730], | 99.00th=[63701], 99.50th=[72877], 99.90th=[94897], 99.95th=[94897], | 99.99th=[94897] bw ( KiB/s): min= 127, max= 640, per=24.61%, avg=347.31, stdev=116.04, samples=32 iops : min= 7, max= 40, avg=21.16, stdev= 7.27, samples=32 write: IOPS=24, BW=398KiB/s (407kB/s)(6544KiB/16445msec); 0 zone resets clat (usec): min=1120, max=105835, avg=21383.25, stdev=15640.70 lat (usec): min=1121, max=105837, avg=21384.69, stdev=15640.81 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 5], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 21], | 70.00th=[ 27], 80.00th=[ 34], 90.00th=[ 42], 95.00th=[ 50], | 99.00th=[ 80], 99.50th=[ 88], 99.90th=[ 106], 99.95th=[ 106], | 99.99th=[ 106] bw ( KiB/s): min= 128, max= 760, per=26.50%, avg=393.53, stdev=147.36, samples=32 iops : min= 8, max= 47, avg=24.06, stdev= 9.14, samples=32 lat (usec) : 100=0.26%, 250=3.91%, 500=0.52% lat (msec) : 2=0.52%, 4=0.39%, 10=16.02%, 20=31.12%, 50=43.88% lat (msec) : 100=3.26%, 250=0.13% cpu : usr=0.06%, sys=32.16%, ctx=2933, 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=159210: Tue Jun 16 22:11:36 2026 read: IOPS=23, BW=369KiB/s (378kB/s)(6256KiB/16968msec) clat (usec): min=36, max=95336, avg=23574.56, stdev=14432.23 lat (usec): min=36, max=95337, avg=23575.19, stdev=14432.27 clat percentiles (usec): | 1.00th=[ 93], 5.00th=[ 200], 10.00th=[ 8291], 20.00th=[11863], | 30.00th=[16319], 40.00th=[19268], 50.00th=[21890], 60.00th=[25560], | 70.00th=[29230], 80.00th=[33424], 90.00th=[40109], 95.00th=[49546], | 99.00th=[73925], 99.50th=[88605], 99.90th=[94897], 99.95th=[94897], | 99.99th=[94897] bw ( KiB/s): min= 192, max= 640, per=25.89%, avg=365.24, stdev=117.79, samples=33 iops : min= 12, max= 40, avg=22.27, stdev= 7.33, samples=33 write: IOPS=22, BW=355KiB/s (364kB/s)(6032KiB/16968msec); 0 zone resets clat (usec): min=877, max=97930, avg=20507.37, stdev=15079.58 lat (usec): min=878, max=97931, avg=20508.60, stdev=15079.74 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 4047], 10.00th=[ 5145], 20.00th=[ 7832], | 30.00th=[10290], 40.00th=[14222], 50.00th=[16909], 60.00th=[20841], | 70.00th=[24773], 80.00th=[30540], 90.00th=[40633], 95.00th=[51119], | 99.00th=[65274], 99.50th=[76022], 99.90th=[98042], 99.95th=[98042], | 99.99th=[98042] bw ( KiB/s): min= 127, max= 734, per=23.37%, avg=347.09, stdev=154.27, samples=33 iops : min= 7, max= 45, avg=21.15, stdev= 9.68, samples=33 lat (usec) : 50=0.13%, 100=0.52%, 250=2.34%, 500=0.39%, 1000=0.26% lat (msec) : 2=0.65%, 4=1.56%, 10=15.76%, 20=29.30%, 50=44.14% lat (msec) : 100=4.95% cpu : usr=0.06%, sys=30.27%, ctx=3107, 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=159211: Tue Jun 16 22:11:36 2026 read: IOPS=23, BW=383KiB/s (393kB/s)(6032KiB/15729msec) clat (usec): min=75, max=87858, avg=21476.84, stdev=14225.78 lat (usec): min=76, max=87859, avg=21477.53, stdev=14225.88 clat percentiles (usec): | 1.00th=[ 100], 5.00th=[ 155], 10.00th=[ 219], 20.00th=[10683], | 30.00th=[14091], 40.00th=[17433], 50.00th=[20055], 60.00th=[22676], | 70.00th=[26870], 80.00th=[32113], 90.00th=[39060], 95.00th=[46924], | 99.00th=[61080], 99.50th=[66847], 99.90th=[87557], 99.95th=[87557], | 99.99th=[87557] bw ( KiB/s): min= 160, max= 640, per=26.88%, avg=379.26, stdev=120.25, samples=31 iops : min= 10, max= 40, avg=23.16, stdev= 7.59, samples=31 write: IOPS=24, BW=398KiB/s (407kB/s)(6256KiB/15729msec); 0 zone resets clat (usec): min=998, max=90746, avg=19400.22, stdev=13627.38 lat (usec): min=998, max=90747, avg=19415.36, stdev=13619.94 clat percentiles (usec): | 1.00th=[ 1287], 5.00th=[ 4555], 10.00th=[ 6128], 20.00th=[ 7701], | 30.00th=[ 9765], 40.00th=[13304], 50.00th=[16057], 60.00th=[18744], | 70.00th=[23725], 80.00th=[28967], 90.00th=[38536], 95.00th=[45351], | 99.00th=[62653], 99.50th=[66323], 99.90th=[90702], 99.95th=[90702], | 99.99th=[90702] bw ( KiB/s): min= 159, max= 653, per=26.64%, avg=395.55, stdev=121.73, samples=31 iops : min= 9, max= 40, avg=24.16, stdev= 7.61, samples=31 lat (usec) : 100=0.52%, 250=4.95%, 500=0.65%, 750=0.13%, 1000=0.13% lat (msec) : 2=0.65%, 4=1.17%, 10=16.93%, 20=31.12%, 50=40.23% lat (msec) : 100=3.52% cpu : usr=0.06%, sys=32.49%, ctx=2861, 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=1412KiB/s (1445kB/s), 349KiB/s-383KiB/s (358kB/s-393kB/s), io=23.4MiB (24.5MB), run=15729-16968msec WRITE: bw=1485KiB/s (1521kB/s), 355KiB/s-398KiB/s (364kB/s-407kB/s), io=24.6MiB (25.8MB), run=15729-16968msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159213: Tue Jun 16 22:11:41 2026 read: IOPS=17, BW=272KiB/s (279kB/s)(5920KiB/21760msec) clat (msec): min=3, max=125, avg=19.99, stdev=19.29 lat (msec): min=3, max=125, avg=19.99, stdev=19.29 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 10], 50.00th=[ 14], 60.00th=[ 18], | 70.00th=[ 23], 80.00th=[ 30], 90.00th=[ 45], 95.00th=[ 61], | 99.00th=[ 89], 99.50th=[ 108], 99.90th=[ 126], 99.95th=[ 126], | 99.99th=[ 126] bw ( KiB/s): min= 95, max= 928, per=24.62%, avg=269.14, stdev=177.63, samples=43 iops : min= 5, max= 58, avg=16.21, stdev=11.36, samples=43 write: IOPS=18, BW=293KiB/s (300kB/s)(6368KiB/21760msec); 0 zone resets clat (msec): min=11, max=138, avg=35.92, stdev=21.63 lat (msec): min=11, max=138, avg=35.92, stdev=21.63 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 17], 20.00th=[ 20], | 30.00th=[ 22], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 33], | 70.00th=[ 42], 80.00th=[ 51], 90.00th=[ 67], 95.00th=[ 82], | 99.00th=[ 110], 99.50th=[ 127], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 63, max= 736, per=25.32%, avg=291.21, stdev=171.62, samples=43 iops : min= 3, max= 46, avg=17.58, stdev=11.00, samples=43 lat (msec) : 4=2.86%, 10=16.93%, 20=23.44%, 50=42.19%, 100=13.41% lat (msec) : 250=1.17% cpu : usr=0.05%, sys=13.52%, ctx=1902, 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=159214: Tue Jun 16 22:11:41 2026 read: IOPS=16, BW=262KiB/s (268kB/s)(5744KiB/21908msec) clat (usec): min=2956, max=91597, avg=19561.50, stdev=17888.17 lat (usec): min=2957, max=91597, avg=19562.20, stdev=17888.10 clat percentiles (usec): | 1.00th=[ 3261], 5.00th=[ 3949], 10.00th=[ 4621], 20.00th=[ 5604], | 30.00th=[ 7701], 40.00th=[10028], 50.00th=[12780], 60.00th=[16450], | 70.00th=[22152], 80.00th=[30540], 90.00th=[44827], 95.00th=[63701], | 99.00th=[77071], 99.50th=[83362], 99.90th=[91751], 99.95th=[91751], | 99.99th=[91751] bw ( KiB/s): min= 63, max= 704, per=23.70%, avg=259.05, stdev=161.82, samples=43 iops : min= 3, max= 44, avg=15.58, stdev=10.39, samples=43 write: IOPS=18, BW=299KiB/s (306kB/s)(6544KiB/21908msec); 0 zone resets clat (msec): min=10, max=150, avg=36.19, stdev=22.13 lat (msec): min=10, max=150, avg=36.19, stdev=22.13 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 21], | 30.00th=[ 23], 40.00th=[ 26], 50.00th=[ 29], 60.00th=[ 34], | 70.00th=[ 44], 80.00th=[ 51], 90.00th=[ 63], 95.00th=[ 81], | 99.00th=[ 117], 99.50th=[ 136], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 127, max= 736, per=25.27%, avg=290.65, stdev=165.57, samples=43 iops : min= 7, max= 46, avg=17.56, stdev=10.63, samples=43 lat (msec) : 4=2.60%, 10=15.89%, 20=22.92%, 50=43.36%, 100=14.06% lat (msec) : 250=1.17% cpu : usr=0.07%, sys=13.17%, ctx=1863, 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=159215: Tue Jun 16 22:11:41 2026 read: IOPS=18, BW=290KiB/s (297kB/s)(6256KiB/21542msec) clat (msec): min=3, max=103, avg=19.70, stdev=19.62 lat (msec): min=3, max=103, avg=19.70, stdev=19.62 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 10], 50.00th=[ 13], 60.00th=[ 17], | 70.00th=[ 22], 80.00th=[ 30], 90.00th=[ 47], 95.00th=[ 59], | 99.00th=[ 100], 99.50th=[ 104], 99.90th=[ 105], 99.95th=[ 105], | 99.99th=[ 105] bw ( KiB/s): min= 95, max= 1088, per=26.46%, avg=289.17, stdev=217.03, samples=42 iops : min= 5, max= 68, avg=17.45, stdev=13.84, samples=42 write: IOPS=17, BW=280KiB/s (287kB/s)(6032KiB/21542msec); 0 zone resets clat (msec): min=12, max=169, avg=36.50, stdev=21.10 lat (msec): min=12, max=169, avg=36.50, stdev=21.10 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 17], 20.00th=[ 20], | 30.00th=[ 23], 40.00th=[ 26], 50.00th=[ 31], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 52], 90.00th=[ 66], 95.00th=[ 79], | 99.00th=[ 107], 99.50th=[ 122], 99.90th=[ 169], 99.95th=[ 169], | 99.99th=[ 169] bw ( KiB/s): min= 95, max= 704, per=23.92%, avg=275.02, stdev=165.28, samples=42 iops : min= 5, max= 44, avg=16.57, stdev=10.60, samples=42 lat (msec) : 4=2.60%, 10=20.18%, 20=22.40%, 50=39.06%, 100=14.58% lat (msec) : 250=1.17% cpu : usr=0.07%, sys=13.39%, ctx=1853, 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=159216: Tue Jun 16 22:11:41 2026 read: IOPS=17, BW=280KiB/s (287kB/s)(6032KiB/21552msec) clat (msec): min=3, max=106, avg=19.93, stdev=19.11 lat (msec): min=3, max=106, avg=19.93, stdev=19.11 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 8], 40.00th=[ 11], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 23], 80.00th=[ 31], 90.00th=[ 44], 95.00th=[ 64], | 99.00th=[ 96], 99.50th=[ 104], 99.90th=[ 107], 99.95th=[ 107], | 99.99th=[ 107] bw ( KiB/s): min= 95, max= 992, per=24.98%, avg=273.05, stdev=176.79, samples=42 iops : min= 5, max= 62, avg=16.43, stdev=11.27, samples=42 write: IOPS=18, BW=290KiB/s (297kB/s)(6256KiB/21552msec); 0 zone resets clat (msec): min=13, max=136, avg=35.73, stdev=21.06 lat (msec): min=13, max=136, avg=35.74, stdev=21.06 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 16], 10.00th=[ 18], 20.00th=[ 20], | 30.00th=[ 23], 40.00th=[ 25], 50.00th=[ 29], 60.00th=[ 34], | 70.00th=[ 42], 80.00th=[ 47], 90.00th=[ 63], 95.00th=[ 79], | 99.00th=[ 116], 99.50th=[ 134], 99.90th=[ 138], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 63, max= 768, per=24.83%, avg=285.52, stdev=167.45, samples=42 iops : min= 3, max= 48, avg=17.21, stdev=10.75, samples=42 lat (msec) : 4=2.08%, 10=16.80%, 20=24.48%, 50=43.88%, 100=11.07% lat (msec) : 250=1.69% cpu : usr=0.07%, sys=13.74%, ctx=1915, 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=1093KiB/s (1120kB/s), 262KiB/s-290KiB/s (268kB/s-297kB/s), io=23.4MiB (24.5MB), run=21542-21908msec WRITE: bw=1150KiB/s (1178kB/s), 280KiB/s-299KiB/s (287kB/s-306kB/s), io=24.6MiB (25.8MB), run=21542-21908msec 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=159227: Tue Jun 16 22:11:50 2026 read: IOPS=2, BW=2513KiB/s (2574kB/s)(7168KiB/2852msec) clat (msec): min=108, max=184, avg=138.96, stdev=26.46 lat (msec): min=108, max=184, avg=138.96, stdev=26.46 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 109], 10.00th=[ 109], 20.00th=[ 112], | 30.00th=[ 128], 40.00th=[ 128], 50.00th=[ 140], 60.00th=[ 146], | 70.00th=[ 146], 80.00th=[ 155], 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= 5710, per=59.04%, avg=3924.33, stdev=1832.68, samples=3 iops : min= 2, max= 5, avg= 3.33, stdev= 1.53, samples=3 write: IOPS=1, BW=1795KiB/s (1838kB/s)(5120KiB/2852msec); 0 zone resets clat (msec): min=168, max=955, avg=370.50, stdev=331.65 lat (msec): min=168, max=955, avg=370.58, stdev=331.64 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 182], 50.00th=[ 241], 60.00th=[ 241], | 70.00th=[ 309], 80.00th=[ 309], 90.00th=[ 953], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 2007, max= 4096, per=29.20%, avg=2717.00, stdev=1194.42, samples=3 iops : min= 1, max= 4, avg= 2.33, stdev= 1.53, samples=3 lat (msec) : 250=83.33%, 500=8.33%, 1000=8.33% cpu : usr=0.00%, sys=39.49%, ctx=1357, 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=159229: Tue Jun 16 22:11:50 2026 read: IOPS=0, BW=665KiB/s (681kB/s)(2048KiB/3081msec) clat (usec): min=554, max=130238, avg=65396.50, stdev=91701.06 lat (usec): min=555, max=130240, avg=65397.77, stdev=91701.25 clat percentiles (usec): | 1.00th=[ 553], 5.00th=[ 553], 10.00th=[ 553], 20.00th=[ 553], | 30.00th=[ 553], 40.00th=[ 553], 50.00th=[ 553], 60.00th=[130548], | 70.00th=[130548], 80.00th=[130548], 90.00th=[130548], 95.00th=[130548], | 99.00th=[130548], 99.50th=[130548], 99.90th=[130548], 99.95th=[130548], | 99.99th=[130548] bw ( KiB/s): min= 1976, max= 2048, per=30.27%, avg=2012.00, stdev=50.91, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=3, BW=3324KiB/s (3403kB/s)(10.0MiB/3081msec); 0 zone resets clat (msec): min=132, max=576, avg=290.08, stdev=159.11 lat (msec): min=132, max=576, avg=290.14, stdev=159.10 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 133], 10.00th=[ 133], 20.00th=[ 138], | 30.00th=[ 144], 40.00th=[ 209], 50.00th=[ 230], 60.00th=[ 245], | 70.00th=[ 292], 80.00th=[ 443], 90.00th=[ 493], 95.00th=[ 575], | 99.00th=[ 575], 99.50th=[ 575], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 2048, max= 4096, per=39.44%, avg=3670.20, stdev=907.52, samples=5 iops : min= 2, max= 4, avg= 3.40, stdev= 0.89, samples=5 lat (usec) : 750=8.33% lat (msec) : 250=58.33%, 500=25.00%, 750=8.33% cpu : usr=0.00%, sys=37.11%, ctx=450, 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=159231: Tue Jun 16 22:11:50 2026 read: IOPS=1, BW=1994KiB/s (2042kB/s)(6144KiB/3081msec) clat (usec): min=481, max=707190, avg=285291.53, stdev=282311.33 lat (usec): min=482, max=707191, avg=285292.22, stdev=282311.48 clat percentiles (usec): | 1.00th=[ 482], 5.00th=[ 482], 10.00th=[ 482], 20.00th=[ 79168], | 30.00th=[ 79168], 40.00th=[164627], 50.00th=[164627], 60.00th=[200279], | 70.00th=[557843], 80.00th=[557843], 90.00th=[708838], 95.00th=[708838], | 99.00th=[708838], 99.50th=[708838], 99.90th=[708838], 99.95th=[708838], | 99.99th=[708838] bw ( KiB/s): min= 2048, max= 4015, per=38.21%, avg=2539.75, stdev=983.50, samples=4 iops : min= 2, max= 3, avg= 2.25, stdev= 0.50, samples=4 write: IOPS=1, BW=1994KiB/s (2042kB/s)(6144KiB/3081msec); 0 zone resets clat (msec): min=117, max=336, avg=213.15, stdev=78.59 lat (msec): min=117, max=336, avg=213.21, stdev=78.60 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 118], 10.00th=[ 118], 20.00th=[ 144], | 30.00th=[ 144], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 232], | 70.00th=[ 249], 80.00th=[ 249], 90.00th=[ 338], 95.00th=[ 338], | 99.00th=[ 338], 99.50th=[ 338], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 2007, max= 4096, per=32.34%, avg=3009.25, stdev=1136.99, samples=4 iops : min= 1, max= 4, avg= 2.50, stdev= 1.29, samples=4 lat (usec) : 500=8.33% lat (msec) : 100=8.33%, 250=58.33%, 500=8.33%, 750=16.67% cpu : usr=0.00%, sys=32.92%, ctx=479, 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=159232: Tue Jun 16 22:11:50 2026 read: IOPS=1, BW=1717KiB/s (1758kB/s)(5120KiB/2982msec) clat (usec): min=293, max=825453, avg=210789.73, stdev=357386.88 lat (usec): min=293, max=825453, avg=210790.53, stdev=357386.69 clat percentiles (usec): | 1.00th=[ 293], 5.00th=[ 293], 10.00th=[ 293], 20.00th=[ 293], | 30.00th=[ 396], 40.00th=[ 396], 50.00th=[ 453], 60.00th=[ 453], | 70.00th=[227541], 80.00th=[227541], 90.00th=[826278], 95.00th=[826278], | 99.00th=[826278], 99.50th=[826278], 99.90th=[826278], 99.95th=[826278], | 99.99th=[826278] bw ( KiB/s): min= 2048, max= 6144, per=61.62%, avg=4096.00, stdev=2896.31, samples=2 iops : min= 2, max= 6, avg= 4.00, stdev= 2.83, samples=2 write: IOPS=2, BW=2404KiB/s (2461kB/s)(7168KiB/2982msec); 0 zone resets clat (msec): min=92, max=395, avg=262.90, stdev=132.89 lat (msec): min=92, max=395, avg=262.96, stdev=132.89 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 146], 50.00th=[ 313], 60.00th=[ 376], | 70.00th=[ 376], 80.00th=[ 380], 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= 1980, max= 4015, per=27.11%, avg=2522.75, stdev=995.35, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 0.82, samples=4 lat (usec) : 500=25.00% lat (msec) : 100=8.33%, 250=25.00%, 500=33.33%, 1000=8.33% cpu : usr=0.00%, sys=31.60%, ctx=670, 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=6647KiB/s (6807kB/s), 665KiB/s-2513KiB/s (681kB/s-2574kB/s), io=20.0MiB (20.0MB), run=2852-3081msec WRITE: bw=9306KiB/s (9529kB/s), 1795KiB/s-3324KiB/s (1838kB/s-3403kB/s), io=28.0MiB (29.4MB), run=2852-3081msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159226: Tue Jun 16 22:11:50 2026 read: IOPS=2, BW=2840KiB/s (2908kB/s)(7168KiB/2524msec) clat (msec): min=40, max=295, avg=129.17, stdev=80.45 lat (msec): min=40, max=295, avg=129.17, stdev=80.45 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 42], 10.00th=[ 42], 20.00th=[ 75], | 30.00th=[ 110], 40.00th=[ 110], 50.00th=[ 118], 60.00th=[ 130], | 70.00th=[ 130], 80.00th=[ 138], 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= 1875, max= 7543, per=60.30%, avg=3795.67, stdev=3245.63, samples=3 iops : min= 1, max= 7, avg= 3.00, stdev= 3.46, samples=3 write: IOPS=1, BW=2029KiB/s (2077kB/s)(5120KiB/2524msec); 0 zone resets clat (msec): min=94, max=894, avg=321.70, stdev=327.46 lat (msec): min=94, max=894, avg=321.77, stdev=327.46 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 94], 10.00th=[ 94], 20.00th=[ 94], | 30.00th=[ 132], 40.00th=[ 132], 50.00th=[ 226], 60.00th=[ 226], | 70.00th=[ 262], 80.00th=[ 262], 90.00th=[ 894], 95.00th=[ 894], | 99.00th=[ 894], 99.50th=[ 894], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 1875, max= 3938, per=29.11%, avg=2566.00, stdev=1188.20, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 50=8.33%, 100=16.67%, 250=50.00%, 500=16.67%, 1000=8.33% cpu : usr=0.00%, sys=14.78%, ctx=97, 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=159228: Tue Jun 16 22:11:50 2026 read: IOPS=0, BW=630KiB/s (645kB/s)(2048KiB/3253msec) clat (msec): min=179, max=382, avg=281.05, stdev=143.19 lat (msec): min=179, max=382, avg=281.06, stdev=143.19 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 180], 10.00th=[ 180], 20.00th=[ 180], | 30.00th=[ 180], 40.00th=[ 180], 50.00th=[ 180], 60.00th=[ 384], | 70.00th=[ 384], 80.00th=[ 384], 90.00th=[ 384], 95.00th=[ 384], | 99.00th=[ 384], 99.50th=[ 384], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 1914, max= 2048, per=31.47%, avg=1981.00, stdev=94.75, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=3, BW=3148KiB/s (3223kB/s)(10.0MiB/3253msec); 0 zone resets clat (msec): min=30, max=819, avg=261.23, stdev=301.56 lat (msec): min=30, max=819, avg=261.30, stdev=301.55 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 31], 10.00th=[ 31], 20.00th=[ 34], | 30.00th=[ 37], 40.00th=[ 44], 50.00th=[ 94], 60.00th=[ 167], | 70.00th=[ 176], 80.00th=[ 506], 90.00th=[ 709], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 1875, max= 2048, per=22.66%, avg=1997.60, stdev=76.60, samples=5 iops : min= 1, max= 2, avg= 1.60, stdev= 0.55, samples=5 lat (msec) : 50=33.33%, 100=8.33%, 250=25.00%, 500=8.33%, 750=16.67% lat (msec) : 1000=8.33% cpu : usr=0.03%, sys=10.76%, ctx=142, 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=159230: Tue Jun 16 22:11:50 2026 read: IOPS=2, BW=2511KiB/s (2571kB/s)(6144KiB/2447msec) clat (msec): min=59, max=491, avg=182.95, stdev=160.09 lat (msec): min=59, max=491, avg=182.95, stdev=160.09 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 61], 10.00th=[ 61], 20.00th=[ 84], | 30.00th=[ 84], 40.00th=[ 95], 50.00th=[ 95], 60.00th=[ 178], | 70.00th=[ 190], 80.00th=[ 190], 90.00th=[ 493], 95.00th=[ 493], | 99.00th=[ 493], 99.50th=[ 493], 99.90th=[ 493], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 2048, max= 3938, per=51.55%, avg=3245.33, stdev=1041.17, samples=3 iops : min= 2, max= 3, avg= 2.67, stdev= 0.58, samples=3 write: IOPS=2, BW=2511KiB/s (2571kB/s)(6144KiB/2447msec); 0 zone resets clat (msec): min=71, max=401, avg=220.83, stdev=122.30 lat (msec): min=71, max=401, avg=220.91, stdev=122.31 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 71], 10.00th=[ 71], 20.00th=[ 102], | 30.00th=[ 102], 40.00th=[ 218], 50.00th=[ 218], 60.00th=[ 241], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 401], 95.00th=[ 401], | 99.00th=[ 401], 99.50th=[ 401], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 1875, max= 4096, per=33.30%, avg=2934.75, stdev=1176.32, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 100=33.33%, 250=41.67%, 500=25.00% cpu : usr=0.04%, sys=12.84%, ctx=86, 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=159233: Tue Jun 16 22:11:50 2026 read: IOPS=1, BW=1878KiB/s (1923kB/s)(5120KiB/2727msec) clat (msec): min=65, max=622, avg=185.68, stdev=244.67 lat (msec): min=65, max=622, avg=185.68, stdev=244.67 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 66], 10.00th=[ 66], 20.00th=[ 66], | 30.00th=[ 69], 40.00th=[ 69], 50.00th=[ 75], 60.00th=[ 75], | 70.00th=[ 97], 80.00th=[ 97], 90.00th=[ 625], 95.00th=[ 625], | 99.00th=[ 625], 99.50th=[ 625], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 3750, max= 4096, per=62.32%, avg=3923.00, stdev=244.66, samples=2 iops : min= 3, max= 4, avg= 3.50, stdev= 0.71, samples=2 write: IOPS=2, BW=2629KiB/s (2692kB/s)(7168KiB/2727msec); 0 zone resets clat (msec): min=61, max=593, avg=251.01, stdev=166.27 lat (msec): min=61, max=593, avg=251.08, stdev=166.27 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 62], 10.00th=[ 62], 20.00th=[ 146], | 30.00th=[ 228], 40.00th=[ 228], 50.00th=[ 228], 60.00th=[ 247], | 70.00th=[ 247], 80.00th=[ 255], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 2048, max= 3938, per=33.77%, avg=2976.25, stdev=1072.20, samples=4 iops : min= 2, max= 3, avg= 2.50, stdev= 0.58, samples=4 lat (msec) : 100=41.67%, 250=33.33%, 500=8.33%, 750=16.67% cpu : usr=0.00%, sys=14.78%, ctx=119, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6296KiB/s (6447kB/s), 630KiB/s-2840KiB/s (645kB/s-2908kB/s), io=20.0MiB (20.0MB), run=2447-3253msec WRITE: bw=8814KiB/s (9026kB/s), 2029KiB/s-3148KiB/s (2077kB/s-3223kB/s), io=28.0MiB (29.4MB), run=2447-3253msec 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=159238: Tue Jun 16 22:11:57 2026 read: IOPS=4, BW=17.5MiB/s (18.4MB/s)(12.0MiB/684msec) clat (msec): min=128, max=282, avg=206.10, stdev=76.69 lat (msec): min=128, max=282, avg=206.10, stdev=76.69 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 129], 10.00th=[ 129], 20.00th=[ 129], | 30.00th=[ 129], 40.00th=[ 207], 50.00th=[ 207], 60.00th=[ 207], | 70.00th=[ 284], 80.00th=[ 284], 90.00th=[ 284], 95.00th=[ 284], | 99.00th=[ 284], 99.50th=[ 284], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min=14681, max=14681, per=100.00%, avg=14681.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67%, 500=33.33% cpu : usr=0.00%, sys=36.75%, ctx=152, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=159239: Tue Jun 16 22:11:57 2026 read: IOPS=0, BW=2438KiB/s (2497kB/s)(4096KiB/1680msec) clat (nsec): min=594553k, max=594553k, avg=594553406.00, stdev= 0.00 lat (nsec): min=594555k, max=594555k, avg=594555383.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 592], 5.00th=[ 592], 10.00th=[ 592], 20.00th=[ 592], | 30.00th=[ 592], 40.00th=[ 592], 50.00th=[ 592], 60.00th=[ 592], | 70.00th=[ 592], 80.00th=[ 592], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 8192, max= 8192, per=84.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=1, BW=4876KiB/s (4993kB/s)(8192KiB/1680msec); 0 zone resets clat (msec): min=200, max=831, avg=515.86, stdev=446.12 lat (msec): min=200, max=831, avg=516.11, stdev=446.12 clat percentiles (msec): | 1.00th=[ 201], 5.00th=[ 201], 10.00th=[ 201], 20.00th=[ 201], | 30.00th=[ 201], 40.00th=[ 201], 50.00th=[ 201], 60.00th=[ 835], | 70.00th=[ 835], 80.00th=[ 835], 90.00th=[ 835], 95.00th=[ 835], | 99.00th=[ 835], 99.50th=[ 835], 99.90th=[ 835], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 8094, max= 8094, per=41.50%, avg=8094.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33%, 1000=33.33% cpu : usr=0.00%, sys=23.29%, ctx=99, 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=159240: Tue Jun 16 22:11:57 2026 write: IOPS=1, BW=7314KiB/s (7490kB/s)(12.0MiB/1680msec); 0 zone resets clat (msec): min=163, max=1231, avg=538.65, stdev=600.38 lat (msec): min=163, max=1231, avg=539.00, stdev=600.47 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 165], 10.00th=[ 165], 20.00th=[ 165], | 30.00th=[ 165], 40.00th=[ 222], 50.00th=[ 222], 60.00th=[ 222], | 70.00th=[ 1234], 80.00th=[ 1234], 90.00th=[ 1234], 95.00th=[ 1234], | 99.00th=[ 1234], 99.50th=[ 1234], 99.90th=[ 1234], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min=16189, max=16189, per=83.00%, avg=16189.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67%, 2000=33.33% cpu : usr=0.06%, sys=17.63%, ctx=102, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=159242: Tue Jun 16 22:11:57 2026 write: IOPS=2, BW=8527KiB/s (8732kB/s)(12.0MiB/1441msec); 0 zone resets clat (msec): min=241, max=827, avg=458.47, stdev=321.54 lat (msec): min=241, max=828, avg=458.84, stdev=321.44 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 243], 10.00th=[ 243], 20.00th=[ 243], | 30.00th=[ 243], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 827], 80.00th=[ 827], 90.00th=[ 827], 95.00th=[ 827], | 99.00th=[ 827], 99.50th=[ 827], 99.90th=[ 827], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 7353, max= 8192, per=39.85%, avg=7772.50, stdev=593.26, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 1000=33.33% cpu : usr=0.00%, sys=18.96%, ctx=83, 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=9752KiB/s (9986kB/s), 2438KiB/s-17.5MiB/s (2497kB/s-18.4MB/s), io=16.0MiB (16.8MB), run=684-1680msec WRITE: bw=19.0MiB/s (19.0MB/s), 4876KiB/s-8527KiB/s (4993kB/s-8732kB/s), io=32.0MiB (33.6MB), run=1441-1680msec rand-rw: (groupid=0, jobs=1): err= 0: pid=159243: Tue Jun 16 22:11:57 2026 read: IOPS=2, BW=9211KiB/s (9432kB/s)(12.0MiB/1334msec) clat (msec): min=370, max=456, avg=420.61, stdev=44.58 lat (msec): min=370, max=456, avg=420.61, stdev=44.58 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 372], 10.00th=[ 372], 20.00th=[ 372], | 30.00th=[ 372], 40.00th=[ 435], 50.00th=[ 435], 60.00th=[ 435], | 70.00th=[ 456], 80.00th=[ 456], 90.00th=[ 456], 95.00th=[ 456], | 99.00th=[ 456], 99.50th=[ 456], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] 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=100.00% cpu : usr=0.00%, sys=60.09%, ctx=2576, 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=159244: Tue Jun 16 22:11:57 2026 read: IOPS=0, BW=3465KiB/s (3548kB/s)(4096KiB/1182msec) clat (nsec): min=442201k, max=442201k, avg=442200766.00, stdev= 0.00 lat (nsec): min=442202k, max=442202k, avg=442202011.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 443], 10.00th=[ 443], 20.00th=[ 443], | 30.00th=[ 443], 40.00th=[ 443], 50.00th=[ 443], 60.00th=[ 443], | 70.00th=[ 443], 80.00th=[ 443], 90.00th=[ 443], 95.00th=[ 443], | 99.00th=[ 443], 99.50th=[ 443], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 8192, max= 8192, per=66.70%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=1, BW=6931KiB/s (7097kB/s)(8192KiB/1182msec); 0 zone resets clat (msec): min=276, max=379, avg=327.96, stdev=73.43 lat (msec): min=276, max=380, avg=328.23, stdev=73.43 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 275], 10.00th=[ 275], 20.00th=[ 275], | 30.00th=[ 275], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 380], | 70.00th=[ 380], 80.00th=[ 380], 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= 8192, max= 8192, per=44.18%, 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=0.08%, sys=17.27%, ctx=962, 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=159245: Tue Jun 16 22:11:57 2026 write: IOPS=1, BW=6954KiB/s (7121kB/s)(12.0MiB/1767msec); 0 zone resets clat (msec): min=62, max=1425, avg=574.94, stdev=741.79 lat (msec): min=62, max=1425, avg=575.21, stdev=741.89 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 63], 10.00th=[ 63], 20.00th=[ 63], | 30.00th=[ 63], 40.00th=[ 239], 50.00th=[ 239], 60.00th=[ 239], | 70.00th=[ 1418], 80.00th=[ 1418], 90.00th=[ 1418], 95.00th=[ 1418], | 99.00th=[ 1418], 99.50th=[ 1418], 99.90th=[ 1418], 99.95th=[ 1418], | 99.99th=[ 1418] bw ( KiB/s): min= 8031, max= 8031, per=43.31%, avg=8031.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 100=33.33%, 250=33.33%, 2000=33.33% cpu : usr=0.11%, sys=11.66%, 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=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=159246: Tue Jun 16 22:11:57 2026 write: IOPS=1, BW=7493KiB/s (7673kB/s)(12.0MiB/1640msec); 0 zone resets clat (msec): min=431, max=614, avg=542.23, stdev=97.17 lat (msec): min=431, max=614, avg=542.52, stdev=97.14 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 430], 10.00th=[ 430], 20.00th=[ 430], | 30.00th=[ 430], 40.00th=[ 584], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 617], 80.00th=[ 617], 90.00th=[ 617], 95.00th=[ 617], | 99.00th=[ 617], 99.50th=[ 617], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 7742, max= 8192, per=42.96%, avg=7967.00, stdev=318.20, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=33.33%, 750=66.67% cpu : usr=0.00%, sys=20.62%, ctx=80, 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=11.0MiB/s (12.6MB/s), 3465KiB/s-9211KiB/s (3548kB/s-9432kB/s), io=16.0MiB (16.8MB), run=1182-1334msec WRITE: bw=18.1MiB/s (18.0MB/s), 6931KiB/s-7493KiB/s (7097kB/s-7673kB/s), io=32.0MiB (33.6MB), run=1182-1767msec