== sanity test 398b: DIO and buffer IO race ============== 14:03:42 (1777053822) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.77065 s, 7.4 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=180545: Fri Apr 24 14:06:04 2026 read: IOPS=12, BW=50.6KiB/s (51.8kB/s)(5992KiB/118494msec) clat (usec): min=73, max=1313.6k, avg=42013.33, stdev=39880.85 lat (usec): min=75, max=1313.6k, avg=42017.69, stdev=39880.89 clat percentiles (usec): | 1.00th=[ 192], 5.00th=[ 16712], 10.00th=[ 20055], | 20.00th=[ 24249], 30.00th=[ 27919], 40.00th=[ 32375], | 50.00th=[ 37487], 60.00th=[ 42206], 70.00th=[ 49021], | 80.00th=[ 56886], 90.00th=[ 67634], 95.00th=[ 77071], | 99.00th=[ 113771], 99.50th=[ 126354], 99.90th=[ 258999], | 99.95th=[1317012], 99.99th=[1317012] bw ( KiB/s): min= 7, max= 103, per=25.36%, avg=50.47, stdev=17.64, samples=233 iops : min= 1, max= 25, avg=12.00, stdev= 4.43, samples=233 write: IOPS=13, BW=53.1KiB/s (54.4kB/s)(6296KiB/118494msec); 0 zone resets clat (usec): min=1604, max=233834, avg=34933.87, stdev=27336.91 lat (usec): min=1605, max=233836, avg=34945.59, stdev=27334.26 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 16], 40.00th=[ 24], 50.00th=[ 30], 60.00th=[ 37], | 70.00th=[ 44], 80.00th=[ 56], 90.00th=[ 72], 95.00th=[ 88], | 99.00th=[ 126], 99.50th=[ 140], 99.90th=[ 201], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 7, max= 111, per=25.49%, avg=53.27, stdev=19.10, samples=232 iops : min= 1, max= 27, avg=12.69, stdev= 4.81, samples=232 lat (usec) : 100=0.13%, 250=0.75%, 500=0.26%, 750=0.10%, 1000=0.07% lat (msec) : 2=0.10%, 4=1.04%, 10=9.51%, 20=10.94%, 50=50.55% lat (msec) : 100=24.58%, 250=1.89%, 500=0.07%, 2000=0.03% cpu : usr=0.09%, sys=20.76%, ctx=11168, 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=180546: Fri Apr 24 14:06:04 2026 read: IOPS=12, BW=50.4KiB/s (51.6kB/s)(5940KiB/117964msec) clat (usec): min=81, max=282001, avg=41945.19, stdev=22460.88 lat (usec): min=82, max=282005, avg=41949.71, stdev=22462.94 clat percentiles (usec): | 1.00th=[ 190], 5.00th=[ 17433], 10.00th=[ 20841], 20.00th=[ 25297], | 30.00th=[ 28967], 40.00th=[ 33162], 50.00th=[ 38011], 60.00th=[ 43254], | 70.00th=[ 48497], 80.00th=[ 55313], 90.00th=[ 67634], 95.00th=[ 81265], | 99.00th=[114820], 99.50th=[130548], 99.90th=[210764], 99.95th=[283116], | 99.99th=[283116] bw ( KiB/s): min= 5, max= 96, per=25.28%, avg=50.31, stdev=16.98, samples=232 iops : min= 1, max= 24, avg=11.95, stdev= 4.28, samples=232 write: IOPS=13, BW=53.8KiB/s (55.1kB/s)(6348KiB/117964msec); 0 zone resets clat (usec): min=1836, max=1315.4k, avg=34729.96, stdev=41318.57 lat (usec): min=1838, max=1315.4k, avg=34735.45, stdev=41317.33 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 11], | 30.00th=[ 16], 40.00th=[ 23], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 69], 95.00th=[ 83], | 99.00th=[ 115], 99.50th=[ 138], 99.90th=[ 194], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 7, max= 119, per=25.73%, avg=53.78, stdev=21.17, samples=232 iops : min= 1, max= 29, avg=12.82, stdev= 5.32, samples=232 lat (usec) : 100=0.03%, 250=0.59%, 500=0.10%, 1000=0.03% lat (msec) : 2=0.10%, 4=1.27%, 10=9.08%, 20=11.13%, 50=52.73% lat (msec) : 100=22.75%, 250=2.12%, 500=0.03%, 2000=0.03% cpu : usr=0.09%, sys=21.04%, ctx=11366, majf=0, minf=19 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=180548: Fri Apr 24 14:06:04 2026 read: IOPS=12, BW=50.9KiB/s (52.2kB/s)(6028KiB/118335msec) clat (usec): min=72, max=278616, avg=41183.90, stdev=23778.39 lat (usec): min=74, max=278618, avg=41196.25, stdev=23782.07 clat percentiles (usec): | 1.00th=[ 186], 5.00th=[ 15139], 10.00th=[ 19006], 20.00th=[ 23987], | 30.00th=[ 28181], 40.00th=[ 32113], 50.00th=[ 36963], 60.00th=[ 42206], | 70.00th=[ 47973], 80.00th=[ 55313], 90.00th=[ 68682], 95.00th=[ 82314], | 99.00th=[126354], 99.50th=[147850], 99.90th=[183501], 99.95th=[278922], | 99.99th=[278922] bw ( KiB/s): min= 15, max= 103, per=25.65%, avg=51.04, stdev=17.89, samples=231 iops : min= 3, max= 25, avg=12.13, stdev= 4.53, samples=231 write: IOPS=13, BW=52.9KiB/s (54.2kB/s)(6260KiB/118335msec); 0 zone resets clat (usec): min=1859, max=1439.5k, avg=35604.54, stdev=45054.42 lat (usec): min=1861, max=1439.5k, avg=35607.94, stdev=45054.56 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 15], 40.00th=[ 23], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 44], 80.00th=[ 55], 90.00th=[ 72], 95.00th=[ 88], | 99.00th=[ 127], 99.50th=[ 148], 99.90th=[ 197], 99.95th=[ 1435], | 99.99th=[ 1435] bw ( KiB/s): min= 7, max= 118, per=25.34%, avg=52.95, stdev=19.64, samples=231 iops : min= 1, max= 29, avg=12.61, stdev= 4.91, samples=231 lat (usec) : 100=0.16%, 250=1.01%, 500=0.26%, 750=0.10%, 1000=0.03% lat (msec) : 2=0.03%, 4=1.04%, 10=9.64%, 20=11.65%, 50=50.46% lat (msec) : 100=22.69%, 250=2.86%, 500=0.03%, 2000=0.03% cpu : usr=0.08%, sys=20.64%, ctx=11214, 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=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=180549: Fri Apr 24 14:06:04 2026 read: IOPS=12, BW=50.4KiB/s (51.6kB/s)(6052KiB/120110msec) clat (usec): min=75, max=362298, avg=41765.79, stdev=23982.10 lat (usec): min=77, max=362300, avg=41791.66, stdev=23984.23 clat percentiles (usec): | 1.00th=[ 174], 5.00th=[ 15795], 10.00th=[ 20055], 20.00th=[ 25035], | 30.00th=[ 28967], 40.00th=[ 32900], 50.00th=[ 37487], 60.00th=[ 43254], | 70.00th=[ 49021], 80.00th=[ 55837], 90.00th=[ 67634], 95.00th=[ 80217], | 99.00th=[116917], 99.50th=[147850], 99.90th=[221250], 99.95th=[362808], | 99.99th=[362808] bw ( KiB/s): min= 7, max= 96, per=25.38%, avg=50.50, stdev=16.34, samples=235 iops : min= 1, max= 24, avg=12.00, stdev= 4.12, samples=235 write: IOPS=12, BW=51.9KiB/s (53.2kB/s)(6236KiB/120110msec); 0 zone resets clat (usec): min=1860, max=1376.6k, avg=36146.91, stdev=42961.27 lat (usec): min=1862, max=1376.7k, avg=36151.20, stdev=42962.82 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 8], 20.00th=[ 11], | 30.00th=[ 19], 40.00th=[ 25], 50.00th=[ 30], 60.00th=[ 36], | 70.00th=[ 44], 80.00th=[ 56], 90.00th=[ 73], 95.00th=[ 87], | 99.00th=[ 118], 99.50th=[ 140], 99.90th=[ 178], 99.95th=[ 1385], | 99.99th=[ 1385] bw ( KiB/s): min= 7, max= 135, per=24.78%, avg=51.78, stdev=19.94, samples=236 iops : min= 1, max= 33, avg=12.32, stdev= 5.02, samples=236 lat (usec) : 100=0.07%, 250=0.85%, 500=0.39%, 750=0.10% lat (msec) : 2=0.07%, 4=0.85%, 10=8.20%, 20=11.07%, 50=51.76% lat (msec) : 100=24.48%, 250=2.12%, 500=0.03%, 2000=0.03% cpu : usr=0.08%, sys=20.71%, ctx=11510, majf=0, minf=18 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=200KiB/s (205kB/s), 50.4KiB/s-50.9KiB/s (51.6kB/s-52.2kB/s), io=23.4MiB (24.6MB), run=117964-120110msec WRITE: bw=209KiB/s (214kB/s), 51.9KiB/s-53.8KiB/s (53.2kB/s-55.1kB/s), io=24.6MiB (25.7MB), run=117964-120110msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180550: Fri Apr 24 14:06:26 2026 read: IOPS=10, BW=42.3KiB/s (43.3kB/s)(5992KiB/141662msec) clat (msec): min=6, max=1352, avg=39.34, stdev=47.08 lat (msec): min=6, max=1352, avg=39.34, stdev=47.08 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 28], 60.00th=[ 34], | 70.00th=[ 43], 80.00th=[ 58], 90.00th=[ 85], 95.00th=[ 107], | 99.00th=[ 157], 99.50th=[ 186], 99.90th=[ 251], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 7, max= 159, per=25.54%, avg=42.91, stdev=29.81, samples=272 iops : min= 1, max= 39, avg=10.10, stdev= 7.48, samples=272 write: IOPS=11, BW=44.4KiB/s (45.5kB/s)(6296KiB/141662msec); 0 zone resets clat (msec): min=12, max=283, avg=52.28, stdev=34.43 lat (msec): min=12, max=283, avg=52.28, stdev=34.43 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 18], 10.00th=[ 21], 20.00th=[ 24], | 30.00th=[ 28], 40.00th=[ 34], 50.00th=[ 42], 60.00th=[ 53], | 70.00th=[ 64], 80.00th=[ 79], 90.00th=[ 97], 95.00th=[ 121], | 99.00th=[ 163], 99.50th=[ 176], 99.90th=[ 275], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 7, max= 151, per=25.20%, avg=44.35, stdev=29.29, samples=277 iops : min= 1, max= 37, avg=10.45, stdev= 7.36, samples=277 lat (msec) : 10=1.92%, 20=21.13%, 50=44.11%, 100=25.16%, 250=7.52% lat (msec) : 500=0.13%, 2000=0.03% cpu : usr=0.09%, sys=9.97%, ctx=7680, 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=180551: Fri Apr 24 14:06:26 2026 read: IOPS=10, BW=41.7KiB/s (42.7kB/s)(5940KiB/142428msec) clat (msec): min=6, max=1397, avg=40.08, stdev=49.63 lat (msec): min=6, max=1397, avg=40.08, stdev=49.63 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 17], 40.00th=[ 22], 50.00th=[ 27], 60.00th=[ 34], | 70.00th=[ 44], 80.00th=[ 59], 90.00th=[ 88], 95.00th=[ 109], | 99.00th=[ 161], 99.50th=[ 192], 99.90th=[ 376], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 7, max= 175, per=24.97%, avg=41.95, stdev=30.60, samples=277 iops : min= 1, max= 43, avg= 9.86, stdev= 7.69, samples=277 write: IOPS=11, BW=44.6KiB/s (45.6kB/s)(6348KiB/142428msec); 0 zone resets clat (msec): min=11, max=321, avg=51.97, stdev=34.32 lat (msec): min=11, max=321, avg=51.97, stdev=34.32 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 18], 10.00th=[ 21], 20.00th=[ 24], | 30.00th=[ 28], 40.00th=[ 34], 50.00th=[ 43], 60.00th=[ 53], | 70.00th=[ 64], 80.00th=[ 79], 90.00th=[ 96], 95.00th=[ 115], | 99.00th=[ 165], 99.50th=[ 190], 99.90th=[ 279], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 7, max= 168, per=25.27%, avg=44.48, stdev=29.90, samples=279 iops : min= 1, max= 42, avg=10.49, stdev= 7.51, samples=279 lat (msec) : 10=2.25%, 20=21.29%, 50=42.32%, 100=26.53%, 250=7.42% lat (msec) : 500=0.16%, 2000=0.03% cpu : usr=0.08%, sys=9.77%, ctx=7598, 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=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=180552: Fri Apr 24 14:06:26 2026 read: IOPS=10, BW=42.5KiB/s (43.6kB/s)(6028KiB/141732msec) clat (msec): min=6, max=378, avg=38.61, stdev=32.55 lat (msec): min=6, max=378, avg=38.61, stdev=32.55 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 23], 50.00th=[ 28], 60.00th=[ 34], | 70.00th=[ 44], 80.00th=[ 59], 90.00th=[ 82], 95.00th=[ 99], | 99.00th=[ 153], 99.50th=[ 188], 99.90th=[ 279], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 7, max= 183, per=25.35%, avg=42.59, stdev=30.29, samples=276 iops : min= 1, max= 45, avg=10.02, stdev= 7.59, samples=276 write: IOPS=11, BW=44.2KiB/s (45.2kB/s)(6260KiB/141732msec); 0 zone resets clat (msec): min=12, max=1405, avg=53.12, stdev=47.90 lat (msec): min=12, max=1405, avg=53.13, stdev=47.90 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 19], 10.00th=[ 21], 20.00th=[ 24], | 30.00th=[ 29], 40.00th=[ 35], 50.00th=[ 43], 60.00th=[ 53], | 70.00th=[ 65], 80.00th=[ 78], 90.00th=[ 96], 95.00th=[ 114], | 99.00th=[ 167], 99.50th=[ 201], 99.90th=[ 279], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 7, max= 151, per=24.99%, avg=43.97, stdev=28.16, samples=277 iops : min= 1, max= 37, avg=10.36, stdev= 7.08, samples=277 lat (msec) : 10=1.63%, 20=20.31%, 50=43.88%, 100=27.34%, 250=6.67% lat (msec) : 500=0.13%, 2000=0.03% cpu : usr=0.09%, sys=10.06%, ctx=7705, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180553: Fri Apr 24 14:06:26 2026 read: IOPS=10, BW=42.7KiB/s (43.7kB/s)(6052KiB/141842msec) clat (msec): min=5, max=274, avg=38.84, stdev=32.26 lat (msec): min=5, max=274, avg=38.84, stdev=32.26 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 23], 50.00th=[ 28], 60.00th=[ 34], | 70.00th=[ 44], 80.00th=[ 60], 90.00th=[ 86], 95.00th=[ 105], | 99.00th=[ 148], 99.50th=[ 163], 99.90th=[ 220], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 7, max= 159, per=25.68%, avg=43.13, stdev=30.19, samples=275 iops : min= 1, max= 39, avg=10.16, stdev= 7.58, samples=275 write: IOPS=10, BW=43.0KiB/s (45.0kB/s)(6236KiB/141842msec); 0 zone resets clat (msec): min=11, max=1402, avg=53.03, stdev=49.43 lat (msec): min=11, max=1402, avg=53.03, stdev=49.43 clat percentiles (msec): | 1.00th=[ 16], 5.00th=[ 19], 10.00th=[ 21], 20.00th=[ 24], | 30.00th=[ 28], 40.00th=[ 34], 50.00th=[ 42], 60.00th=[ 51], | 70.00th=[ 63], 80.00th=[ 79], 90.00th=[ 99], 95.00th=[ 121], | 99.00th=[ 171], 99.50th=[ 213], 99.90th=[ 368], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 7, max= 143, per=24.88%, avg=43.80, stdev=29.11, samples=279 iops : min= 1, max= 35, avg=10.32, stdev= 7.31, samples=279 lat (msec) : 10=1.69%, 20=20.61%, 50=44.40%, 100=25.59%, 250=7.52% lat (msec) : 500=0.16%, 2000=0.03% cpu : usr=0.09%, sys=9.99%, ctx=7717, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=169KiB/s (173kB/s), 41.7KiB/s-42.7KiB/s (42.7kB/s-43.7kB/s), io=23.4MiB (24.6MB), run=141662-142428msec WRITE: bw=177KiB/s (181kB/s), 43.0KiB/s-44.6KiB/s (45.0kB/s-45.6kB/s), io=24.6MiB (25.7MB), run=141662-142428msec 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=180593: Fri Apr 24 14:07:11 2026 read: IOPS=11, BW=182KiB/s (187kB/s)(5920KiB/32460msec) clat (usec): min=167, max=229358, avg=43248.62, stdev=23335.73 lat (usec): min=169, max=229370, avg=43251.07, stdev=23335.89 clat percentiles (usec): | 1.00th=[ 178], 5.00th=[ 433], 10.00th=[ 20317], 20.00th=[ 27657], | 30.00th=[ 32900], 40.00th=[ 36963], 50.00th=[ 41681], 60.00th=[ 46400], | 70.00th=[ 50594], 80.00th=[ 57934], 90.00th=[ 67634], 95.00th=[ 78119], | 99.00th=[108528], 99.50th=[141558], 99.90th=[229639], 99.95th=[229639], | 99.99th=[229639] bw ( KiB/s): min= 63, max= 380, per=24.55%, avg=180.95, stdev=59.18, samples=64 iops : min= 3, max= 23, avg=10.48, stdev= 3.72, samples=64 write: IOPS=12, BW=196KiB/s (201kB/s)(6368KiB/32460msec); 0 zone resets clat (msec): min=3, max=135, avg=40.78, stdev=26.72 lat (msec): min=3, max=135, avg=40.78, stdev=26.72 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 22], 40.00th=[ 29], 50.00th=[ 36], 60.00th=[ 44], | 70.00th=[ 54], 80.00th=[ 64], 90.00th=[ 81], 95.00th=[ 92], | 99.00th=[ 114], 99.50th=[ 132], 99.90th=[ 136], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 63, max= 351, per=25.22%, avg=195.70, stdev=63.00, samples=64 iops : min= 3, max= 21, avg=11.41, stdev= 3.93, samples=64 lat (usec) : 250=1.82%, 500=0.78%, 750=0.39%, 1000=0.13% lat (msec) : 4=0.26%, 10=3.26%, 20=11.98%, 50=49.74%, 100=29.69% lat (msec) : 250=1.95% cpu : usr=0.07%, sys=22.79%, ctx=3245, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180594: Fri Apr 24 14:07:11 2026 read: IOPS=11, BW=182KiB/s (187kB/s)(5744KiB/31503msec) clat (usec): min=113, max=141346, avg=44830.96, stdev=22678.49 lat (usec): min=115, max=141348, avg=44837.47, stdev=22676.43 clat percentiles (usec): | 1.00th=[ 129], 5.00th=[ 400], 10.00th=[ 23200], 20.00th=[ 28967], | 30.00th=[ 34341], 40.00th=[ 38011], 50.00th=[ 42206], 60.00th=[ 46924], | 70.00th=[ 53216], 80.00th=[ 58983], 90.00th=[ 69731], 95.00th=[ 82314], | 99.00th=[124257], 99.50th=[130548], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 31, max= 319, per=24.73%, avg=182.24, stdev=56.48, samples=62 iops : min= 1, max= 19, avg=10.58, stdev= 3.55, samples=62 write: IOPS=12, BW=208KiB/s (213kB/s)(6544KiB/31503msec); 0 zone resets clat (msec): min=3, max=234, avg=37.38, stdev=28.99 lat (msec): min=3, max=234, avg=37.39, stdev=28.99 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 14], | 30.00th=[ 19], 40.00th=[ 24], 50.00th=[ 30], 60.00th=[ 37], | 70.00th=[ 46], 80.00th=[ 57], 90.00th=[ 77], 95.00th=[ 95], | 99.00th=[ 129], 99.50th=[ 136], 99.90th=[ 234], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 93, max= 383, per=26.74%, avg=207.47, stdev=72.43, samples=62 iops : min= 5, max= 23, avg=12.16, stdev= 4.56, samples=62 lat (usec) : 250=1.95%, 500=0.39%, 750=0.26%, 1000=0.26% lat (msec) : 4=0.26%, 10=4.17%, 20=14.06%, 50=48.83%, 100=26.56% lat (msec) : 250=3.26% cpu : usr=0.07%, sys=23.43%, ctx=3192, 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=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=180596: Fri Apr 24 14:07:11 2026 read: IOPS=12, BW=194KiB/s (199kB/s)(6256KiB/32195msec) clat (usec): min=96, max=141272, avg=43733.39, stdev=23259.05 lat (usec): min=99, max=141274, avg=43736.91, stdev=23258.45 clat percentiles (usec): | 1.00th=[ 133], 5.00th=[ 235], 10.00th=[ 19268], 20.00th=[ 26346], | 30.00th=[ 32113], 40.00th=[ 37487], 50.00th=[ 41681], 60.00th=[ 46924], | 70.00th=[ 52691], 80.00th=[ 60031], 90.00th=[ 71828], 95.00th=[ 83362], | 99.00th=[117965], 99.50th=[133694], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 63, max= 319, per=26.34%, avg=194.14, stdev=65.66, samples=63 iops : min= 3, max= 19, avg=11.32, stdev= 4.09, samples=63 write: IOPS=11, BW=187KiB/s (192kB/s)(6032KiB/32195msec); 0 zone resets clat (msec): min=4, max=218, avg=39.55, stdev=27.25 lat (msec): min=4, max=218, avg=39.56, stdev=27.26 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 10], 10.00th=[ 12], 20.00th=[ 16], | 30.00th=[ 21], 40.00th=[ 28], 50.00th=[ 34], 60.00th=[ 39], | 70.00th=[ 50], 80.00th=[ 62], 90.00th=[ 78], 95.00th=[ 89], | 99.00th=[ 123], 99.50th=[ 134], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 32, max= 320, per=23.77%, avg=184.44, stdev=60.43, samples=63 iops : min= 2, max= 20, avg=10.71, stdev= 3.80, samples=63 lat (usec) : 100=0.13%, 250=2.73%, 500=0.39%, 1000=0.13% lat (msec) : 2=0.13%, 10=2.73%, 20=12.89%, 50=48.70%, 100=29.82% lat (msec) : 250=2.34% cpu : usr=0.09%, sys=22.91%, ctx=3361, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180598: Fri Apr 24 14:07:11 2026 read: IOPS=12, BW=192KiB/s (197kB/s)(6032KiB/31374msec) clat (usec): min=59, max=155493, avg=43198.47, stdev=25086.84 lat (usec): min=60, max=155495, avg=43203.11, stdev=25086.35 clat percentiles (usec): | 1.00th=[ 117], 5.00th=[ 174], 10.00th=[ 519], 20.00th=[ 24511], | 30.00th=[ 30802], 40.00th=[ 36439], 50.00th=[ 42206], 60.00th=[ 49021], | 70.00th=[ 55313], 80.00th=[ 61604], 90.00th=[ 70779], 95.00th=[ 84411], | 99.00th=[122160], 99.50th=[135267], 99.90th=[156238], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 31, max= 351, per=25.89%, avg=190.81, stdev=60.37, samples=62 iops : min= 1, max= 21, avg=11.11, stdev= 3.73, samples=62 write: IOPS=12, BW=199KiB/s (204kB/s)(6256KiB/31374msec); 0 zone resets clat (msec): min=2, max=154, avg=38.03, stdev=25.52 lat (msec): min=2, max=154, avg=38.04, stdev=25.52 clat percentiles (msec): | 1.00th=[ 6], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 15], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 34], 60.00th=[ 40], | 70.00th=[ 48], 80.00th=[ 58], 90.00th=[ 72], 95.00th=[ 87], | 99.00th=[ 113], 99.50th=[ 142], 99.90th=[ 155], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 63, max= 378, per=25.59%, avg=198.58, stdev=71.75, samples=62 iops : min= 3, max= 23, avg=11.60, stdev= 4.54, samples=62 lat (usec) : 100=0.26%, 250=3.78%, 500=0.78%, 750=0.39%, 1000=0.13% lat (msec) : 4=0.13%, 10=3.78%, 20=12.37%, 50=45.18%, 100=31.25% lat (msec) : 250=1.95% cpu : usr=0.09%, sys=23.08%, ctx=3339, 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=738KiB/s (756kB/s), 182KiB/s-194KiB/s (187kB/s-199kB/s), io=23.4MiB (24.5MB), run=31374-32460msec WRITE: bw=776KiB/s (795kB/s), 187KiB/s-208KiB/s (192kB/s-213kB/s), io=24.6MiB (25.8MB), run=31374-32460msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180595: Fri Apr 24 14:07:18 2026 read: IOPS=9, BW=153KiB/s (157kB/s)(5920KiB/38720msec) clat (msec): min=7, max=174, avg=39.96, stdev=30.00 lat (msec): min=7, max=174, avg=39.97, stdev=30.00 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 31], 60.00th=[ 37], | 70.00th=[ 43], 80.00th=[ 55], 90.00th=[ 80], 95.00th=[ 108], | 99.00th=[ 153], 99.50th=[ 169], 99.90th=[ 176], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 31, max= 480, per=24.13%, avg=148.38, stdev=90.00, samples=76 iops : min= 1, max= 30, avg= 8.54, stdev= 5.76, samples=76 write: IOPS=10, BW=164KiB/s (168kB/s)(6368KiB/38720msec); 0 zone resets clat (msec): min=12, max=256, avg=59.46, stdev=33.98 lat (msec): min=12, max=256, avg=59.47, stdev=33.98 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 22], 10.00th=[ 25], 20.00th=[ 30], | 30.00th=[ 36], 40.00th=[ 43], 50.00th=[ 51], 60.00th=[ 62], | 70.00th=[ 72], 80.00th=[ 88], 90.00th=[ 111], 95.00th=[ 125], | 99.00th=[ 157], 99.50th=[ 169], 99.90th=[ 257], 99.95th=[ 257], | 99.99th=[ 257] bw ( KiB/s): min= 31, max= 415, per=24.98%, avg=161.61, stdev=82.15, samples=76 iops : min= 1, max= 25, avg= 9.36, stdev= 5.22, samples=76 lat (msec) : 10=0.91%, 20=13.67%, 50=48.18%, 100=27.21%, 250=9.90% lat (msec) : 500=0.13% cpu : usr=0.06%, sys=10.24%, ctx=2147, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180597: Fri Apr 24 14:07:18 2026 read: IOPS=9, BW=148KiB/s (151kB/s)(5744KiB/38912msec) clat (msec): min=7, max=216, avg=44.41, stdev=36.01 lat (msec): min=7, max=216, avg=44.41, stdev=36.01 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 14], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 32], 60.00th=[ 37], | 70.00th=[ 46], 80.00th=[ 63], 90.00th=[ 104], 95.00th=[ 125], | 99.00th=[ 169], 99.50th=[ 192], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 31, max= 448, per=23.99%, avg=147.53, stdev=90.32, samples=77 iops : min= 1, max= 28, avg= 8.48, stdev= 5.73, samples=77 write: IOPS=10, BW=168KiB/s (172kB/s)(6544KiB/38912msec); 0 zone resets clat (msec): min=13, max=248, avg=55.51, stdev=33.69 lat (msec): min=13, max=248, avg=55.51, stdev=33.69 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 20], 10.00th=[ 23], 20.00th=[ 28], | 30.00th=[ 32], 40.00th=[ 38], 50.00th=[ 45], 60.00th=[ 57], | 70.00th=[ 67], 80.00th=[ 82], 90.00th=[ 104], 95.00th=[ 124], | 99.00th=[ 144], 99.50th=[ 157], 99.90th=[ 249], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 31, max= 573, per=25.88%, avg=167.47, stdev=103.18, samples=77 iops : min= 1, max= 35, avg= 9.73, stdev= 6.49, samples=77 lat (msec) : 10=0.65%, 20=12.63%, 50=49.74%, 100=26.30%, 250=10.68% cpu : usr=0.10%, sys=9.93%, ctx=2107, 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=180599: Fri Apr 24 14:07:18 2026 read: IOPS=10, BW=162KiB/s (166kB/s)(6256KiB/38634msec) clat (msec): min=6, max=214, avg=42.47, stdev=32.56 lat (msec): min=6, max=214, avg=42.47, stdev=32.56 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 28], 50.00th=[ 32], 60.00th=[ 37], | 70.00th=[ 48], 80.00th=[ 59], 90.00th=[ 89], 95.00th=[ 109], | 99.00th=[ 159], 99.50th=[ 192], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 31, max= 576, per=26.14%, avg=160.75, stdev=104.07, samples=76 iops : min= 1, max= 36, avg= 9.32, stdev= 6.55, samples=76 write: IOPS=9, BW=156KiB/s (160kB/s)(6032KiB/38634msec); 0 zone resets clat (msec): min=16, max=203, avg=57.89, stdev=34.53 lat (msec): min=16, max=203, avg=57.90, stdev=34.53 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 22], 10.00th=[ 24], 20.00th=[ 30], | 30.00th=[ 35], 40.00th=[ 40], 50.00th=[ 48], 60.00th=[ 57], | 70.00th=[ 71], 80.00th=[ 83], 90.00th=[ 111], 95.00th=[ 127], | 99.00th=[ 174], 99.50th=[ 197], 99.90th=[ 205], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 31, max= 447, per=23.99%, avg=155.23, stdev=81.44, samples=75 iops : min= 1, max= 27, avg= 8.96, stdev= 5.21, samples=75 lat (msec) : 10=0.65%, 20=12.63%, 50=50.00%, 100=26.95%, 250=9.77% cpu : usr=0.06%, sys=10.11%, ctx=2162, 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=180600: Fri Apr 24 14:07:18 2026 read: IOPS=9, BW=158KiB/s (161kB/s)(6032KiB/38293msec) clat (msec): min=11, max=214, avg=41.07, stdev=29.49 lat (msec): min=11, max=214, avg=41.07, stdev=29.49 clat percentiles (msec): | 1.00th=[ 12], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 29], 50.00th=[ 33], 60.00th=[ 38], | 70.00th=[ 44], 80.00th=[ 57], 90.00th=[ 77], 95.00th=[ 102], | 99.00th=[ 161], 99.50th=[ 201], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 31, max= 510, per=25.28%, avg=155.49, stdev=99.16, samples=75 iops : min= 1, max= 31, avg= 8.99, stdev= 6.23, samples=75 write: IOPS=10, BW=163KiB/s (167kB/s)(6256KiB/38293msec); 0 zone resets clat (msec): min=16, max=257, avg=58.17, stdev=35.02 lat (msec): min=16, max=257, avg=58.18, stdev=35.02 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 22], 10.00th=[ 26], 20.00th=[ 31], | 30.00th=[ 37], 40.00th=[ 42], 50.00th=[ 50], 60.00th=[ 55], | 70.00th=[ 66], 80.00th=[ 83], 90.00th=[ 107], 95.00th=[ 120], | 99.00th=[ 182], 99.50th=[ 253], 99.90th=[ 257], 99.95th=[ 257], | 99.99th=[ 257] bw ( KiB/s): min= 31, max= 448, per=24.96%, avg=161.47, stdev=82.11, samples=75 iops : min= 1, max= 28, avg= 9.36, stdev= 5.26, samples=75 lat (msec) : 20=11.59%, 50=51.69%, 100=27.86%, 250=8.59%, 500=0.26% cpu : usr=0.09%, sys=10.20%, ctx=2080, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=616KiB/s (630kB/s), 148KiB/s-162KiB/s (151kB/s-166kB/s), io=23.4MiB (24.5MB), run=38293-38912msec WRITE: bw=648KiB/s (663kB/s), 156KiB/s-168KiB/s (160kB/s-172kB/s), io=24.6MiB (25.8MB), run=38293-38912msec 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=180612: Fri Apr 24 14:07:38 2026 read: IOPS=1, BW=1487KiB/s (1522kB/s)(7168KiB/4822msec) clat (msec): min=258, max=381, avg=295.05, stdev=43.62 lat (msec): min=258, max=381, avg=295.06, stdev=43.62 clat percentiles (msec): | 1.00th=[ 259], 5.00th=[ 259], 10.00th=[ 259], 20.00th=[ 262], | 30.00th=[ 271], 40.00th=[ 271], 50.00th=[ 275], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 317], 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= 1928, max= 2959, per=74.32%, avg=2200.00, stdev=426.95, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 write: IOPS=1, BW=1062KiB/s (1087kB/s)(5120KiB/4822msec); 0 zone resets clat (msec): min=311, max=992, avg=528.17, stdev=273.38 lat (msec): min=311, max=992, avg=528.29, stdev=273.36 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 363], 40.00th=[ 363], 50.00th=[ 435], 60.00th=[ 435], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 995], 95.00th=[ 995], | 99.00th=[ 995], 99.50th=[ 995], 99.90th=[ 995], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 2031, max= 4055, per=61.36%, avg=2543.25, stdev=1007.86, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 500=83.33%, 750=8.33%, 1000=8.33% cpu : usr=0.00%, sys=53.00%, ctx=993, 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=180613: Fri Apr 24 14:07:38 2026 read: IOPS=0, BW=296KiB/s (303kB/s)(2048KiB/6917msec) clat (usec): min=1028, max=2472.6k, avg=1236790.30, stdev=1747631.05 lat (usec): min=1031, max=2472.6k, avg=1236793.20, stdev=1747631.42 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1029], 10.00th=[ 1029], | 20.00th=[ 1029], 30.00th=[ 1029], 40.00th=[ 1029], | 50.00th=[ 1029], 60.00th=[2466251], 70.00th=[2466251], | 80.00th=[2466251], 90.00th=[2466251], 95.00th=[2466251], | 99.00th=[2466251], 99.50th=[2466251], 99.90th=[2466251], | 99.95th=[2466251], 99.99th=[2466251] bw ( KiB/s): min= 2023, max= 2027, per=68.41%, avg=2025.00, stdev= 2.83, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1480KiB/s (1516kB/s)(10.0MiB/6917msec); 0 zone resets clat (msec): min=272, max=820, avg=434.35, stdev=149.10 lat (msec): min=272, max=820, avg=434.46, stdev=149.10 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 326], | 30.00th=[ 372], 40.00th=[ 376], 50.00th=[ 380], 60.00th=[ 426], | 70.00th=[ 435], 80.00th=[ 468], 90.00th=[ 472], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 2023, max= 4096, per=62.63%, avg=2596.14, stdev=957.09, samples=7 iops : min= 1, max= 4, avg= 1.86, stdev= 1.21, samples=7 lat (msec) : 2=8.33%, 500=75.00%, 1000=8.33%, >=2000=8.33% cpu : usr=0.03%, sys=41.54%, ctx=494, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180614: Fri Apr 24 14:07:38 2026 read: IOPS=1, BW=1090KiB/s (1116kB/s)(6144KiB/5636msec) clat (usec): min=1270, max=697165, avg=361624.15, stdev=296152.07 lat (usec): min=1272, max=697167, avg=361629.21, stdev=296148.88 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 1270], 10.00th=[ 1270], 20.00th=[ 1336], | 30.00th=[ 1336], 40.00th=[421528], 50.00th=[421528], 60.00th=[450888], | 70.00th=[591397], 80.00th=[591397], 90.00th=[700449], 95.00th=[700449], | 99.00th=[700449], 99.50th=[700449], 99.90th=[700449], 99.95th=[700449], | 99.99th=[700449] bw ( KiB/s): min= 1928, max= 2048, per=68.06%, avg=2014.60, stdev=49.07, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 write: IOPS=1, BW=1090KiB/s (1116kB/s)(6144KiB/5636msec); 0 zone resets clat (msec): min=295, max=1189, avg=565.44, stdev=325.67 lat (msec): min=295, max=1189, avg=565.58, stdev=325.65 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 296], 10.00th=[ 296], 20.00th=[ 342], | 30.00th=[ 342], 40.00th=[ 456], 50.00th=[ 456], 60.00th=[ 506], | 70.00th=[ 609], 80.00th=[ 609], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 1479, max= 2043, per=46.84%, avg=1941.67, stdev=226.76, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 2=16.67%, 500=41.67%, 750=33.33%, 2000=8.33% cpu : usr=0.02%, sys=41.81%, ctx=703, 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=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=180615: Fri Apr 24 14:07:38 2026 read: IOPS=0, BW=1022KiB/s (1047kB/s)(5120KiB/5008msec) clat (usec): min=1167, max=382266, avg=184318.60, stdev=180304.70 lat (usec): min=1170, max=382268, avg=184321.07, stdev=180304.64 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1172], 10.00th=[ 1172], 20.00th=[ 1172], | 30.00th=[ 6587], 40.00th=[ 6587], 50.00th=[187696], 60.00th=[187696], | 70.00th=[346031], 80.00th=[346031], 90.00th=[383779], 95.00th=[383779], | 99.00th=[383779], 99.50th=[383779], 99.90th=[383779], 99.95th=[383779], | 99.99th=[383779] bw ( KiB/s): min= 4055, max= 4087, per=100.00%, avg=4071.00, stdev=22.63, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1431KiB/s (1466kB/s)(7168KiB/5008msec); 0 zone resets clat (msec): min=255, max=1042, avg=580.11, stdev=298.32 lat (msec): min=255, max=1042, avg=580.57, stdev=297.95 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 255], 10.00th=[ 255], 20.00th=[ 326], | 30.00th=[ 393], 40.00th=[ 393], 50.00th=[ 518], 60.00th=[ 625], | 70.00th=[ 625], 80.00th=[ 911], 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= 1481, max= 4079, per=55.85%, avg=2315.00, stdev=1012.98, samples=5 iops : min= 1, max= 3, avg= 1.60, stdev= 0.89, samples=5 lat (msec) : 2=8.33%, 10=8.33%, 250=8.33%, 500=41.67%, 750=16.67% lat (msec) : 1000=8.33%, 2000=8.33% cpu : usr=0.00%, sys=41.76%, ctx=483, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2961KiB/s (3032kB/s), 296KiB/s-1487KiB/s (303kB/s-1522kB/s), io=20.0MiB (20.0MB), run=4822-6917msec WRITE: bw=4145KiB/s (4245kB/s), 1062KiB/s-1480KiB/s (1087kB/s-1516kB/s), io=28.0MiB (29.4MB), run=4822-6917msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180616: Fri Apr 24 14:07:38 2026 read: IOPS=1, BW=1184KiB/s (1212kB/s)(7168KiB/6054msec) clat (msec): min=89, max=1207, avg=454.61, stdev=483.11 lat (msec): min=89, max=1207, avg=454.61, stdev=483.10 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 90], 10.00th=[ 90], 20.00th=[ 94], | 30.00th=[ 157], 40.00th=[ 157], 50.00th=[ 192], 60.00th=[ 351], | 70.00th=[ 351], 80.00th=[ 1083], 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= 1402, max= 4047, per=83.52%, avg=2318.60, stdev=1005.88, samples=5 iops : min= 1, max= 3, avg= 2.00, stdev= 0.71, samples=5 write: IOPS=0, BW=846KiB/s (866kB/s)(5120KiB/6054msec); 0 zone resets clat (msec): min=137, max=1185, avg=549.59, stdev=457.88 lat (msec): min=138, max=1185, avg=549.77, stdev=457.80 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 138], | 30.00th=[ 146], 40.00th=[ 146], 50.00th=[ 435], 60.00th=[ 435], | 70.00th=[ 844], 80.00th=[ 844], 90.00th=[ 1183], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 2048, max= 4015, per=69.56%, avg=2703.67, stdev=1135.65, samples=3 iops : min= 2, max= 3, avg= 2.33, stdev= 0.58, samples=3 lat (msec) : 100=16.67%, 250=33.33%, 500=16.67%, 1000=8.33%, 2000=25.00% cpu : usr=0.02%, sys=12.36%, ctx=275, 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=180617: Fri Apr 24 14:07:38 2026 read: IOPS=0, BW=278KiB/s (284kB/s)(2048KiB/7375msec) clat (msec): min=158, max=2610, avg=1384.29, stdev=1733.99 lat (msec): min=158, max=2610, avg=1384.29, stdev=1733.99 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 159], | 30.00th=[ 159], 40.00th=[ 159], 50.00th=[ 159], 60.00th=[ 2601], | 70.00th=[ 2601], 80.00th=[ 2601], 90.00th=[ 2601], 95.00th=[ 2601], | 99.00th=[ 2601], 99.50th=[ 2601], 99.90th=[ 2601], 99.95th=[ 2601], | 99.99th=[ 2601] bw ( KiB/s): min= 2031, max= 2048, per=73.47%, avg=2039.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1388KiB/s (1422kB/s)(10.0MiB/7375msec); 0 zone resets clat (msec): min=115, max=1494, avg=427.09, stdev=412.31 lat (msec): min=115, max=1494, avg=427.20, stdev=412.32 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 115], 10.00th=[ 115], 20.00th=[ 155], | 30.00th=[ 169], 40.00th=[ 253], 50.00th=[ 275], 60.00th=[ 300], | 70.00th=[ 300], 80.00th=[ 567], 90.00th=[ 642], 95.00th=[ 1502], | 99.00th=[ 1502], 99.50th=[ 1502], 99.90th=[ 1502], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 2023, max= 4096, per=78.41%, avg=3047.83, stdev=1115.61, samples=6 iops : min= 1, max= 4, avg= 2.17, stdev= 1.33, samples=6 lat (msec) : 250=33.33%, 500=33.33%, 750=16.67%, 2000=8.33%, >=2000=8.33% cpu : usr=0.01%, sys=19.66%, ctx=290, 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=180618: Fri Apr 24 14:07:38 2026 read: IOPS=0, BW=933KiB/s (955kB/s)(6144KiB/6586msec) clat (msec): min=107, max=674, avg=335.93, stdev=228.47 lat (msec): min=107, max=674, avg=335.93, stdev=228.47 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 108], 10.00th=[ 108], 20.00th=[ 157], | 30.00th=[ 157], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 300], | 70.00th=[ 558], 80.00th=[ 558], 90.00th=[ 676], 95.00th=[ 676], | 99.00th=[ 676], 99.50th=[ 676], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 2007, max= 4096, per=91.47%, avg=2539.25, stdev=1037.88, samples=4 iops : min= 1, max= 4, avg= 1.75, stdev= 1.50, samples=4 write: IOPS=0, BW=933KiB/s (955kB/s)(6144KiB/6586msec); 0 zone resets clat (msec): min=189, max=2881, avg=747.46, stdev=1054.10 lat (msec): min=189, max=2881, avg=747.58, stdev=1054.09 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 192], | 30.00th=[ 192], 40.00th=[ 275], 50.00th=[ 275], 60.00th=[ 405], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 2869], 95.00th=[ 2869], | 99.00th=[ 2869], 99.50th=[ 2869], 99.90th=[ 2869], 99.95th=[ 2869], | 99.99th=[ 2869] bw ( KiB/s): min= 2007, max= 4071, per=65.33%, avg=2539.25, stdev=1021.31, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 250=41.67%, 500=25.00%, 750=25.00%, >=2000=8.33% cpu : usr=0.02%, sys=17.54%, ctx=304, 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=180619: Fri Apr 24 14:07:38 2026 read: IOPS=0, BW=701KiB/s (718kB/s)(5120KiB/7306msec) clat (msec): min=110, max=682, avg=354.85, stdev=248.78 lat (msec): min=110, max=682, avg=354.86, stdev=248.78 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 111], 10.00th=[ 111], 20.00th=[ 111], | 30.00th=[ 115], 40.00th=[ 115], 50.00th=[ 363], 60.00th=[ 363], | 70.00th=[ 506], 80.00th=[ 506], 90.00th=[ 684], 95.00th=[ 684], | 99.00th=[ 684], 99.50th=[ 684], 99.90th=[ 684], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 1825, max= 4063, per=95.29%, avg=2645.33, stdev=1232.79, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 write: IOPS=0, BW=981KiB/s (1005kB/s)(7168KiB/7306msec); 0 zone resets clat (msec): min=120, max=1596, avg=782.13, stdev=543.28 lat (msec): min=120, max=1596, avg=782.28, stdev=543.25 clat percentiles (msec): | 1.00th=[ 122], 5.00th=[ 122], 10.00th=[ 122], 20.00th=[ 363], | 30.00th=[ 456], 40.00th=[ 456], 50.00th=[ 558], 60.00th=[ 1167], | 70.00th=[ 1167], 80.00th=[ 1217], 90.00th=[ 1603], 95.00th=[ 1603], | 99.00th=[ 1603], 99.50th=[ 1603], 99.90th=[ 1603], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 1939, max= 2043, per=51.72%, avg=2010.20, stdev=42.28, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=25.00%, 500=25.00%, 750=25.00%, 2000=25.00% cpu : usr=0.00%, sys=13.81%, ctx=199, 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=2777KiB/s (2844kB/s), 278KiB/s-1184KiB/s (284kB/s-1212kB/s), io=20.0MiB (20.0MB), run=6054-7375msec WRITE: bw=3888KiB/s (3981kB/s), 846KiB/s-1388KiB/s (866kB/s-1422kB/s), io=28.0MiB (29.4MB), run=6054-7375msec 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=180627: Fri Apr 24 14:07:59 2026 read: IOPS=1, BW=4115KiB/s (4214kB/s)(12.0MiB/2986msec) clat (msec): min=782, max=1107, avg=977.92, stdev=171.92 lat (msec): min=782, max=1107, avg=977.93, stdev=171.92 clat percentiles (msec): | 1.00th=[ 785], 5.00th=[ 785], 10.00th=[ 785], 20.00th=[ 785], | 30.00th=[ 785], 40.00th=[ 1045], 50.00th=[ 1045], 60.00th=[ 1045], | 70.00th=[ 1099], 80.00th=[ 1099], 90.00th=[ 1099], 95.00th=[ 1099], | 99.00th=[ 1099], 99.50th=[ 1099], 99.90th=[ 1099], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=52.86%, ctx=2550, 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=180628: Fri Apr 24 14:07:59 2026 read: IOPS=0, BW=1100KiB/s (1127kB/s)(4096KiB/3723msec) clat (nsec): min=786450k, max=786450k, avg=786450084.00, stdev= 0.00 lat (nsec): min=786454k, max=786454k, avg=786453697.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 785], 5.00th=[ 785], 10.00th=[ 785], 20.00th=[ 785], | 30.00th=[ 785], 40.00th=[ 785], 50.00th=[ 785], 60.00th=[ 785], | 70.00th=[ 785], 80.00th=[ 785], 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= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2200KiB/s (2253kB/s)(8192KiB/3723msec); 0 zone resets clat (msec): min=961, max=1877, avg=1419.41, stdev=647.14 lat (msec): min=961, max=1877, avg=1419.71, stdev=647.33 clat percentiles (msec): | 1.00th=[ 961], 5.00th=[ 961], 10.00th=[ 961], 20.00th=[ 961], | 30.00th=[ 961], 40.00th=[ 961], 50.00th=[ 961], 60.00th=[ 1871], | 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= 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) : 1000=66.67%, 2000=33.33% cpu : usr=0.03%, sys=17.81%, ctx=891, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180629: Fri Apr 24 14:07:59 2026 write: IOPS=0, BW=2842KiB/s (2911kB/s)(12.0MiB/4323msec); 0 zone resets clat (msec): min=240, max=3101, avg=1416.73, stdev=1496.57 lat (msec): min=241, max=3102, avg=1417.35, stdev=1496.88 clat percentiles (msec): | 1.00th=[ 241], 5.00th=[ 241], 10.00th=[ 241], 20.00th=[ 241], | 30.00th=[ 241], 40.00th=[ 911], 50.00th=[ 911], 60.00th=[ 911], | 70.00th=[ 3104], 80.00th=[ 3104], 90.00th=[ 3104], 95.00th=[ 3104], | 99.00th=[ 3104], 99.50th=[ 3104], 99.90th=[ 3104], 99.95th=[ 3104], | 99.99th=[ 3104] bw ( KiB/s): min= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 1000=33.33%, >=2000=33.33% cpu : usr=0.02%, sys=13.23%, ctx=116, 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=180630: Fri Apr 24 14:07:59 2026 write: IOPS=0, BW=3642KiB/s (3729kB/s)(12.0MiB/3374msec); 0 zone resets clat (msec): min=537, max=1787, avg=1115.00, stdev=630.42 lat (msec): min=538, max=1788, avg=1115.54, stdev=630.32 clat percentiles (msec): | 1.00th=[ 542], 5.00th=[ 542], 10.00th=[ 542], 20.00th=[ 542], | 30.00th=[ 542], 40.00th=[ 1020], 50.00th=[ 1020], 60.00th=[ 1020], | 70.00th=[ 1787], 80.00th=[ 1787], 90.00th=[ 1787], 95.00th=[ 1787], | 99.00th=[ 1787], 99.50th=[ 1787], 99.90th=[ 1787], 99.95th=[ 1787], | 99.99th=[ 1787] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=15.42%, ctx=86, 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=4401KiB/s (4506kB/s), 1100KiB/s-4115KiB/s (1127kB/s-4214kB/s), io=16.0MiB (16.8MB), run=2986-3723msec WRITE: bw=7580KiB/s (7762kB/s), 2200KiB/s-3642KiB/s (2253kB/s-3729kB/s), io=32.0MiB (33.6MB), run=3374-4323msec rand-rw: (groupid=0, jobs=1): err= 0: pid=180631: Fri Apr 24 14:07:59 2026 read: IOPS=0, BW=3316KiB/s (3395kB/s)(12.0MiB/3706msec) clat (msec): min=568, max=2344, avg=1206.64, stdev=988.04 lat (msec): min=568, max=2344, avg=1206.64, stdev=988.04 clat percentiles (msec): | 1.00th=[ 567], 5.00th=[ 567], 10.00th=[ 567], 20.00th=[ 567], | 30.00th=[ 567], 40.00th=[ 709], 50.00th=[ 709], 60.00th=[ 709], | 70.00th=[ 2333], 80.00th=[ 2333], 90.00th=[ 2333], 95.00th=[ 2333], | 99.00th=[ 2333], 99.50th=[ 2333], 99.90th=[ 2333], 99.95th=[ 2333], | 99.99th=[ 2333] bw ( KiB/s): min= 7968, max= 8192, per=100.00%, avg=8080.00, stdev=158.39, 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=15.44%, ctx=152, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=180633: Fri Apr 24 14:07:59 2026 read: IOPS=0, BW=977KiB/s (1000kB/s)(4096KiB/4193msec) clat (nsec): min=826994k, max=826994k, avg=826994253.00, stdev= 0.00 lat (nsec): min=826999k, max=826999k, avg=826998855.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 827], 5.00th=[ 827], 10.00th=[ 827], 20.00th=[ 827], | 30.00th=[ 827], 40.00th=[ 827], 50.00th=[ 827], 60.00th=[ 827], | 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= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1954KiB/s (2001kB/s)(8192KiB/4193msec); 0 zone resets clat (msec): min=917, max=2417, avg=1667.68, stdev=1060.52 lat (msec): min=918, max=2418, avg=1668.38, stdev=1060.15 clat percentiles (msec): | 1.00th=[ 919], 5.00th=[ 919], 10.00th=[ 919], 20.00th=[ 919], | 30.00th=[ 919], 40.00th=[ 919], 50.00th=[ 919], 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= 7968, max= 7968, per=100.00%, avg=7968.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 1000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=12.79%, ctx=102, 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=180634: Fri Apr 24 14:07:59 2026 write: IOPS=0, BW=2697KiB/s (2761kB/s)(12.0MiB/4557msec); 0 zone resets clat (msec): min=208, max=3591, avg=1509.32, stdev=1821.85 lat (msec): min=209, max=3591, avg=1509.88, stdev=1821.46 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 209], 10.00th=[ 209], 20.00th=[ 209], | 30.00th=[ 209], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 726], | 70.00th=[ 3608], 80.00th=[ 3608], 90.00th=[ 3608], 95.00th=[ 3608], | 99.00th=[ 3608], 99.50th=[ 3608], 99.90th=[ 3608], 99.95th=[ 3608], | 99.99th=[ 3608] bw ( KiB/s): min= 8110, max= 8110, per=100.00%, avg=8110.00, 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%, >=2000=33.33% cpu : usr=0.00%, sys=11.00%, ctx=88, 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=180635: Fri Apr 24 14:07:59 2026 write: IOPS=0, BW=3140KiB/s (3216kB/s)(12.0MiB/3913msec); 0 zone resets clat (msec): min=1097, max=1397, avg=1275.76, stdev=158.02 lat (msec): min=1097, max=1398, avg=1276.27, stdev=158.14 clat percentiles (msec): | 1.00th=[ 1099], 5.00th=[ 1099], 10.00th=[ 1099], 20.00th=[ 1099], | 30.00th=[ 1099], 40.00th=[ 1334], 50.00th=[ 1334], 60.00th=[ 1334], | 70.00th=[ 1401], 80.00th=[ 1401], 90.00th=[ 1401], 95.00th=[ 1401], | 99.00th=[ 1401], 99.50th=[ 1401], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1401] bw ( KiB/s): min= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 2000=100.00% cpu : usr=0.00%, sys=16.62%, ctx=179, 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=3907KiB/s (4001kB/s), 977KiB/s-3316KiB/s (1000kB/s-3395kB/s), io=16.0MiB (16.8MB), run=3706-4193msec WRITE: bw=7191KiB/s (7363kB/s), 1954KiB/s-3140KiB/s (2001kB/s-3216kB/s), io=32.0MiB (33.6MB), run=3913-4557msec