== sanity test 398b: DIO and buffer IO race ============== 20:39:58 (1763343598) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 4.62951 s, 10.9 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=146452: Sun Nov 16 20:41:51 2025 read: IOPS=15, BW=61.6KiB/s (63.1kB/s)(5992KiB/97247msec) clat (usec): min=107, max=265572, avg=30714.83, stdev=21947.76 lat (usec): min=107, max=265574, avg=30720.23, stdev=21955.20 clat percentiles (usec): | 1.00th=[ 131], 5.00th=[ 174], 10.00th=[ 347], 20.00th=[ 16057], | 30.00th=[ 20317], 40.00th=[ 23987], 50.00th=[ 27395], 60.00th=[ 31327], | 70.00th=[ 37487], 80.00th=[ 45351], 90.00th=[ 56886], 95.00th=[ 65799], | 99.00th=[ 94897], 99.50th=[114820], 99.90th=[196084], 99.95th=[265290], | 99.99th=[265290] bw ( KiB/s): min= 7, max= 127, per=25.61%, avg=61.47, stdev=25.00, samples=191 iops : min= 1, max= 31, avg=14.76, stdev= 6.30, samples=191 write: IOPS=16, BW=64.7KiB/s (66.3kB/s)(6296KiB/97247msec); 0 zone resets clat (usec): min=890, max=895705, avg=32342.08, stdev=40682.38 lat (usec): min=891, max=895707, avg=32344.30, stdev=40683.14 clat percentiles (usec): | 1.00th=[ 1037], 5.00th=[ 1156], 10.00th=[ 1287], 20.00th=[ 2573], | 30.00th=[ 6849], 40.00th=[ 15533], 50.00th=[ 24249], 60.00th=[ 31589], | 70.00th=[ 41157], 80.00th=[ 54789], 90.00th=[ 73925], 95.00th=[ 90702], | 99.00th=[135267], 99.50th=[162530], 99.90th=[438305], 99.95th=[893387], | 99.99th=[893387] bw ( KiB/s): min= 23, max= 158, per=25.75%, avg=64.88, stdev=23.40, samples=190 iops : min= 5, max= 39, avg=15.61, stdev= 5.89, samples=190 lat (usec) : 250=4.30%, 500=0.98%, 750=0.16%, 1000=0.23% lat (msec) : 2=8.85%, 4=3.68%, 10=5.73%, 20=13.31%, 50=42.87% lat (msec) : 100=17.84%, 250=1.86%, 500=0.16%, 1000=0.03% cpu : usr=0.13%, sys=7.62%, ctx=6376, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146453: Sun Nov 16 20:41:51 2025 read: IOPS=14, BW=59.7KiB/s (61.1kB/s)(5940KiB/99495msec) clat (usec): min=105, max=919247, avg=33018.87, stdev=32529.36 lat (usec): min=106, max=919250, avg=33024.94, stdev=32527.84 clat percentiles (usec): | 1.00th=[ 143], 5.00th=[ 196], 10.00th=[ 1483], 20.00th=[ 16712], | 30.00th=[ 20579], 40.00th=[ 24249], 50.00th=[ 28443], 60.00th=[ 33424], | 70.00th=[ 40109], 80.00th=[ 47973], 90.00th=[ 60031], 95.00th=[ 72877], | 99.00th=[101188], 99.50th=[112722], 99.90th=[270533], 99.95th=[918553], | 99.99th=[918553] bw ( KiB/s): min= 7, max= 110, per=24.97%, avg=59.93, stdev=22.54, samples=193 iops : min= 1, max= 27, avg=14.37, stdev= 5.69, samples=193 write: IOPS=15, BW=63.8KiB/s (65.3kB/s)(6348KiB/99495msec); 0 zone resets clat (usec): min=903, max=449760, avg=31520.64, stdev=34557.30 lat (usec): min=904, max=449762, avg=31523.82, stdev=34557.18 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1188], 10.00th=[ 1352], 20.00th=[ 2868], | 30.00th=[ 7111], 40.00th=[ 14746], 50.00th=[ 22938], 60.00th=[ 30540], | 70.00th=[ 40633], 80.00th=[ 53740], 90.00th=[ 73925], 95.00th=[ 92799], | 99.00th=[149947], 99.50th=[196084], 99.90th=[270533], 99.95th=[450888], | 99.99th=[450888] bw ( KiB/s): min= 15, max= 168, per=25.18%, avg=63.46, stdev=22.62, samples=194 iops : min= 3, max= 42, avg=15.27, stdev= 5.72, samples=194 lat (usec) : 250=3.55%, 500=0.91%, 750=0.07%, 1000=0.33% lat (msec) : 2=8.50%, 4=4.04%, 10=5.92%, 20=14.68%, 50=41.60% lat (msec) : 100=17.90%, 250=2.38%, 500=0.10%, 1000=0.03% cpu : usr=0.14%, sys=7.36%, ctx=6391, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146454: Sun Nov 16 20:41:51 2025 read: IOPS=15, BW=60.5KiB/s (61.9kB/s)(6028KiB/99663msec) clat (usec): min=88, max=188672, avg=31383.36, stdev=21842.44 lat (usec): min=88, max=188675, avg=31387.49, stdev=21840.81 clat percentiles (usec): | 1.00th=[ 130], 5.00th=[ 190], 10.00th=[ 2507], 20.00th=[ 16188], | 30.00th=[ 20317], 40.00th=[ 23987], 50.00th=[ 27132], 60.00th=[ 31851], | 70.00th=[ 38536], 80.00th=[ 46400], 90.00th=[ 57410], 95.00th=[ 68682], | 99.00th=[102237], 99.50th=[126354], 99.90th=[160433], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 8, max= 128, per=25.28%, avg=60.67, stdev=24.48, samples=193 iops : min= 2, max= 32, avg=14.56, stdev= 6.18, samples=193 write: IOPS=15, BW=62.8KiB/s (64.3kB/s)(6260KiB/99663msec); 0 zone resets clat (usec): min=901, max=1088.5k, avg=33189.51, stdev=41639.74 lat (usec): min=902, max=1088.5k, avg=33191.75, stdev=41640.18 clat percentiles (usec): | 1.00th=[ 1004], 5.00th=[ 1156], 10.00th=[ 1319], | 20.00th=[ 3392], 30.00th=[ 7963], 40.00th=[ 17957], | 50.00th=[ 25560], 60.00th=[ 33162], 70.00th=[ 42730], | 80.00th=[ 54789], 90.00th=[ 77071], 95.00th=[ 92799], | 99.00th=[ 135267], 99.50th=[ 177210], 99.90th=[ 223347], | 99.95th=[1082131], 99.99th=[1082131] bw ( KiB/s): min= 7, max= 127, per=24.81%, avg=62.53, stdev=23.93, samples=194 iops : min= 1, max= 31, avg=15.02, stdev= 6.04, samples=194 lat (usec) : 100=0.03%, 250=3.65%, 500=0.75%, 750=0.23%, 1000=0.49% lat (msec) : 2=7.81%, 4=2.93%, 10=6.22%, 20=14.00%, 50=44.11% lat (msec) : 100=17.35%, 250=2.41%, 2000=0.03% cpu : usr=0.11%, sys=7.40%, ctx=6390, 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=146455: Sun Nov 16 20:41:51 2025 read: IOPS=15, BW=61.5KiB/s (62.0kB/s)(6052KiB/98385msec) clat (usec): min=92, max=180707, avg=30932.64, stdev=21345.61 lat (usec): min=92, max=180709, avg=30934.29, stdev=21345.61 clat percentiles (usec): | 1.00th=[ 130], 5.00th=[ 178], 10.00th=[ 302], 20.00th=[ 15664], | 30.00th=[ 19530], 40.00th=[ 23462], 50.00th=[ 27132], 60.00th=[ 31589], | 70.00th=[ 38536], 80.00th=[ 47449], 90.00th=[ 60031], 95.00th=[ 69731], | 99.00th=[ 89654], 99.50th=[101188], 99.90th=[126354], 99.95th=[181404], | 99.99th=[181404] bw ( KiB/s): min= 7, max= 123, per=25.84%, avg=62.01, stdev=22.88, samples=191 iops : min= 1, max= 30, avg=14.89, stdev= 5.78, samples=191 write: IOPS=15, BW=63.4KiB/s (64.9kB/s)(6236KiB/98385msec); 0 zone resets clat (usec): min=905, max=974523, avg=32784.98, stdev=41842.08 lat (usec): min=906, max=974528, avg=32790.16, stdev=41842.57 clat percentiles (usec): | 1.00th=[ 1029], 5.00th=[ 1188], 10.00th=[ 1303], 20.00th=[ 2900], | 30.00th=[ 6587], 40.00th=[ 15008], 50.00th=[ 25035], 60.00th=[ 33817], | 70.00th=[ 43254], 80.00th=[ 54789], 90.00th=[ 72877], 95.00th=[ 89654], | 99.00th=[145753], 99.50th=[193987], 99.90th=[387974], 99.95th=[977273], | 99.99th=[977273] bw ( KiB/s): min= 15, max= 126, per=25.22%, avg=63.55, stdev=22.04, samples=192 iops : min= 3, max= 31, avg=15.28, stdev= 5.54, samples=192 lat (usec) : 100=0.03%, 250=4.59%, 500=0.72%, 750=0.16%, 1000=0.39% lat (msec) : 2=8.66%, 4=3.12%, 10=6.32%, 20=14.29%, 50=41.70% lat (msec) : 100=17.87%, 250=1.99%, 500=0.13%, 1000=0.03% cpu : usr=0.11%, sys=7.30%, ctx=6295, 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=241KiB/s (247kB/s), 59.7KiB/s-61.6KiB/s (61.1kB/s-63.1kB/s), io=23.4MiB (24.6MB), run=97247-99663msec WRITE: bw=252KiB/s (258kB/s), 62.8KiB/s-64.7KiB/s (64.3kB/s-66.3kB/s), io=24.6MiB (25.7MB), run=97247-99663msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146448: Sun Nov 16 20:44:37 2025 read: IOPS=5, BW=22.7KiB/s (23.2kB/s)(5992KiB/264278msec) clat (msec): min=6, max=664, avg=35.51, stdev=33.02 lat (msec): min=6, max=664, avg=35.51, stdev=33.02 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 33], | 70.00th=[ 41], 80.00th=[ 52], 90.00th=[ 68], 95.00th=[ 84], | 99.00th=[ 153], 99.50th=[ 205], 99.90th=[ 338], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 7, max= 79, per=27.77%, avg=24.99, stdev=14.64, samples=463 iops : min= 1, max= 19, avg= 5.60, stdev= 3.70, samples=463 write: IOPS=5, BW=23.8KiB/s (24.4kB/s)(6296KiB/264278msec); 0 zone resets clat (msec): min=43, max=486, avg=133.79, stdev=50.30 lat (msec): min=43, max=486, avg=133.80, stdev=50.31 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 70], 10.00th=[ 80], 20.00th=[ 91], | 30.00th=[ 103], 40.00th=[ 114], 50.00th=[ 126], 60.00th=[ 138], | 70.00th=[ 153], 80.00th=[ 171], 90.00th=[ 201], 95.00th=[ 226], | 99.00th=[ 296], 99.50th=[ 330], 99.90th=[ 372], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 7, max= 47, per=24.80%, avg=23.31, stdev= 8.22, samples=520 iops : min= 1, max= 11, avg= 5.18, stdev= 2.11, samples=520 lat (msec) : 10=1.66%, 20=16.24%, 50=20.57%, 100=23.21%, 250=36.78% lat (msec) : 500=1.50%, 750=0.03% cpu : usr=0.04%, sys=1.44%, ctx=5685, 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=146449: Sun Nov 16 20:44:37 2025 read: IOPS=5, BW=22.5KiB/s (23.1kB/s)(5940KiB/263857msec) clat (msec): min=6, max=984, avg=34.26, stdev=35.74 lat (msec): min=6, max=984, avg=34.27, stdev=35.74 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 25], 60.00th=[ 31], | 70.00th=[ 39], 80.00th=[ 50], 90.00th=[ 65], 95.00th=[ 79], | 99.00th=[ 133], 99.50th=[ 150], 99.90th=[ 305], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 7, max= 87, per=27.49%, avg=24.74, stdev=15.53, samples=463 iops : min= 1, max= 21, avg= 5.54, stdev= 3.92, samples=463 write: IOPS=6, BW=24.1KiB/s (24.6kB/s)(6348KiB/263857msec); 0 zone resets clat (msec): min=44, max=487, avg=133.97, stdev=48.79 lat (msec): min=44, max=487, avg=133.97, stdev=48.79 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 72], 10.00th=[ 82], 20.00th=[ 94], | 30.00th=[ 105], 40.00th=[ 116], 50.00th=[ 126], 60.00th=[ 138], | 70.00th=[ 150], 80.00th=[ 171], 90.00th=[ 197], 95.00th=[ 222], | 99.00th=[ 284], 99.50th=[ 317], 99.90th=[ 430], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 7, max= 55, per=25.01%, avg=23.51, stdev= 8.27, samples=520 iops : min= 1, max= 13, avg= 5.23, stdev= 2.11, samples=520 lat (msec) : 10=1.37%, 20=16.02%, 50=21.55%, 100=21.35%, 250=38.28% lat (msec) : 500=1.40%, 1000=0.03% cpu : usr=0.06%, sys=1.49%, ctx=5489, 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=146450: Sun Nov 16 20:44:37 2025 read: IOPS=5, BW=22.7KiB/s (23.2kB/s)(6028KiB/265493msec) clat (msec): min=7, max=297, avg=34.65, stdev=25.34 lat (msec): min=7, max=297, avg=34.65, stdev=25.34 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 33], | 70.00th=[ 41], 80.00th=[ 51], 90.00th=[ 67], 95.00th=[ 80], | 99.00th=[ 117], 99.50th=[ 150], 99.90th=[ 279], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 7, max= 135, per=27.34%, avg=24.61, stdev=15.78, samples=472 iops : min= 1, max= 33, avg= 5.50, stdev= 3.97, samples=472 write: IOPS=5, BW=23.6KiB/s (24.1kB/s)(6260KiB/265493msec); 0 zone resets clat (msec): min=38, max=1159, avg=136.05, stdev=57.08 lat (msec): min=38, max=1159, avg=136.05, stdev=57.09 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 71], 10.00th=[ 81], 20.00th=[ 94], | 30.00th=[ 106], 40.00th=[ 116], 50.00th=[ 127], 60.00th=[ 138], | 70.00th=[ 153], 80.00th=[ 174], 90.00th=[ 201], 95.00th=[ 230], | 99.00th=[ 296], 99.50th=[ 321], 99.90th=[ 531], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 7, max= 47, per=24.62%, avg=23.14, stdev= 8.31, samples=520 iops : min= 1, max= 11, avg= 5.13, stdev= 2.12, samples=520 lat (msec) : 10=1.63%, 20=15.33%, 50=22.07%, 100=22.01%, 250=37.57% lat (msec) : 500=1.33%, 750=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.45%, ctx=5490, 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=146451: Sun Nov 16 20:44:37 2025 read: IOPS=5, BW=22.9KiB/s (23.5kB/s)(6052KiB/263849msec) clat (msec): min=6, max=225, avg=34.69, stdev=25.16 lat (msec): min=6, max=225, avg=34.70, stdev=25.16 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 33], | 70.00th=[ 41], 80.00th=[ 52], 90.00th=[ 69], 95.00th=[ 84], | 99.00th=[ 121], 99.50th=[ 140], 99.90th=[ 194], 99.95th=[ 226], | 99.99th=[ 226] bw ( KiB/s): min= 7, max= 87, per=28.05%, avg=25.24, stdev=15.99, samples=463 iops : min= 1, max= 21, avg= 5.67, stdev= 4.03, samples=463 write: IOPS=5, BW=23.6KiB/s (24.2kB/s)(6236KiB/263849msec); 0 zone resets clat (msec): min=43, max=1004, avg=135.29, stdev=54.37 lat (msec): min=43, max=1004, avg=135.29, stdev=54.37 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 71], 10.00th=[ 81], 20.00th=[ 94], | 30.00th=[ 106], 40.00th=[ 116], 50.00th=[ 126], 60.00th=[ 138], | 70.00th=[ 155], 80.00th=[ 171], 90.00th=[ 201], 95.00th=[ 226], | 99.00th=[ 292], 99.50th=[ 338], 99.90th=[ 527], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 7, max= 48, per=24.76%, avg=23.28, stdev= 8.22, samples=516 iops : min= 1, max= 12, avg= 5.17, stdev= 2.08, samples=516 lat (msec) : 10=1.82%, 20=15.69%, 50=21.35%, 100=22.27%, 250=37.79% lat (msec) : 500=1.01%, 750=0.03%, 2000=0.03% cpu : usr=0.05%, sys=1.45%, ctx=5602, 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=90.4KiB/s (92.6kB/s), 22.5KiB/s-22.9KiB/s (23.1kB/s-23.5kB/s), io=23.4MiB (24.6MB), run=263849-265493msec WRITE: bw=94.7KiB/s (96.0kB/s), 23.6KiB/s-24.1KiB/s (24.1kB/s-24.6kB/s), io=24.6MiB (25.7MB), run=263849-265493msec 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=146508: Sun Nov 16 20:45:09 2025 read: IOPS=16, BW=267KiB/s (273kB/s)(5920KiB/22208msec) clat (usec): min=102, max=233554, avg=28824.09, stdev=28648.48 lat (usec): min=103, max=233555, avg=28831.69, stdev=28645.45 clat percentiles (usec): | 1.00th=[ 118], 5.00th=[ 153], 10.00th=[ 174], 20.00th=[ 243], | 30.00th=[ 848], 40.00th=[ 20579], 50.00th=[ 26870], 60.00th=[ 32113], | 70.00th=[ 40633], 80.00th=[ 47449], 90.00th=[ 59507], 95.00th=[ 71828], | 99.00th=[141558], 99.50th=[175113], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 93, max= 606, per=25.13%, avg=265.42, stdev=111.60, samples=43 iops : min= 5, max= 37, avg=15.88, stdev= 6.99, samples=43 write: IOPS=17, BW=287KiB/s (294kB/s)(6368KiB/22208msec); 0 zone resets clat (usec): min=1354, max=255569, avg=28566.98, stdev=32817.67 lat (usec): min=1356, max=255570, avg=28574.99, stdev=32816.13 clat percentiles (usec): | 1.00th=[ 1418], 5.00th=[ 1663], 10.00th=[ 1958], 20.00th=[ 3818], | 30.00th=[ 7046], 40.00th=[ 9503], 50.00th=[ 15926], 60.00th=[ 25035], | 70.00th=[ 34866], 80.00th=[ 49546], 90.00th=[ 72877], 95.00th=[ 98042], | 99.00th=[137364], 99.50th=[160433], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 126, max= 509, per=25.93%, avg=288.12, stdev=98.10, samples=43 iops : min= 7, max= 31, avg=17.35, stdev= 6.15, samples=43 lat (usec) : 250=9.77%, 500=3.91%, 750=0.52%, 1000=0.39% lat (msec) : 2=6.12%, 4=5.08%, 10=10.94%, 20=10.55%, 50=34.24% lat (msec) : 100=15.49%, 250=2.86%, 500=0.13% cpu : usr=0.13%, sys=9.18%, ctx=1365, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146509: Sun Nov 16 20:45:09 2025 read: IOPS=16, BW=265KiB/s (272kB/s)(5744KiB/21655msec) clat (usec): min=118, max=127626, avg=28084.66, stdev=25432.23 lat (usec): min=118, max=127628, avg=28086.02, stdev=25432.25 clat percentiles (usec): | 1.00th=[ 124], 5.00th=[ 157], 10.00th=[ 182], 20.00th=[ 237], | 30.00th=[ 4490], 40.00th=[ 19792], 50.00th=[ 26346], 60.00th=[ 31065], | 70.00th=[ 39060], 80.00th=[ 47449], 90.00th=[ 63177], 95.00th=[ 74974], | 99.00th=[ 96994], 99.50th=[119014], 99.90th=[127402], 99.95th=[127402], | 99.99th=[127402] bw ( KiB/s): min= 63, max= 541, per=25.18%, avg=265.86, stdev=105.03, samples=42 iops : min= 3, max= 33, avg=15.93, stdev= 6.52, samples=42 write: IOPS=18, BW=302KiB/s (309kB/s)(6544KiB/21655msec); 0 zone resets clat (usec): min=1343, max=254500, avg=27742.68, stdev=31027.90 lat (usec): min=1344, max=254502, avg=27744.94, stdev=31027.94 clat percentiles (usec): | 1.00th=[ 1549], 5.00th=[ 1680], 10.00th=[ 1827], 20.00th=[ 3130], | 30.00th=[ 6325], 40.00th=[ 9372], 50.00th=[ 16319], 60.00th=[ 24249], | 70.00th=[ 34866], 80.00th=[ 52691], 90.00th=[ 69731], 95.00th=[ 86508], | 99.00th=[123208], 99.50th=[141558], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 156, max= 480, per=27.28%, avg=303.10, stdev=79.23, samples=42 iops : min= 9, max= 30, avg=18.26, stdev= 5.03, samples=42 lat (usec) : 250=9.77%, 500=3.26%, 750=0.39% lat (msec) : 2=7.03%, 4=5.47%, 10=10.03%, 20=12.37%, 50=32.16% lat (msec) : 100=17.45%, 250=1.95%, 500=0.13% cpu : usr=0.16%, sys=9.31%, ctx=1345, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146510: Sun Nov 16 20:45:09 2025 read: IOPS=17, BW=276KiB/s (282kB/s)(6256KiB/22681msec) clat (usec): min=109, max=134796, avg=28825.16, stdev=27499.40 lat (usec): min=109, max=134796, avg=28826.53, stdev=27499.33 clat percentiles (usec): | 1.00th=[ 120], 5.00th=[ 147], 10.00th=[ 182], 20.00th=[ 221], | 30.00th=[ 1029], 40.00th=[ 20841], 50.00th=[ 25822], 60.00th=[ 32375], | 70.00th=[ 41681], 80.00th=[ 49546], 90.00th=[ 60556], 95.00th=[ 79168], | 99.00th=[122160], 99.50th=[130548], 99.90th=[135267], 99.95th=[135267], | 99.99th=[135267] bw ( KiB/s): min= 126, max= 573, per=26.16%, avg=276.30, stdev=99.05, samples=44 iops : min= 7, max= 35, avg=16.59, stdev= 6.20, samples=44 write: IOPS=16, BW=266KiB/s (272kB/s)(6032KiB/22681msec); 0 zone resets clat (usec): min=1506, max=204714, avg=30062.57, stdev=30679.89 lat (usec): min=1507, max=204715, avg=30065.79, stdev=30679.81 clat percentiles (usec): | 1.00th=[ 1565], 5.00th=[ 1745], 10.00th=[ 2073], 20.00th=[ 4293], | 30.00th=[ 7308], 40.00th=[ 12518], 50.00th=[ 18744], 60.00th=[ 27919], | 70.00th=[ 41681], 80.00th=[ 55837], 90.00th=[ 73925], 95.00th=[ 86508], | 99.00th=[121111], 99.50th=[196084], 99.90th=[204473], 99.95th=[204473], | 99.99th=[204473] bw ( KiB/s): min= 63, max= 416, per=23.58%, avg=262.02, stdev=90.13, samples=44 iops : min= 3, max= 26, avg=15.68, stdev= 5.70, samples=44 lat (usec) : 250=11.46%, 500=2.86%, 750=0.78%, 1000=0.13% lat (msec) : 2=5.08%, 4=5.34%, 10=8.59%, 20=11.59%, 50=31.90% lat (msec) : 100=20.31%, 250=1.95% cpu : usr=0.12%, sys=9.33%, ctx=1438, 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=146511: Sun Nov 16 20:45:09 2025 read: IOPS=17, BW=274KiB/s (281kB/s)(6032KiB/21995msec) clat (usec): min=104, max=194074, avg=29646.42, stdev=27076.00 lat (usec): min=105, max=194075, avg=29647.86, stdev=27076.10 clat percentiles (usec): | 1.00th=[ 115], 5.00th=[ 149], 10.00th=[ 174], 20.00th=[ 225], | 30.00th=[ 2638], 40.00th=[ 20579], 50.00th=[ 27657], 60.00th=[ 33424], | 70.00th=[ 42206], 80.00th=[ 53740], 90.00th=[ 65274], 95.00th=[ 73925], | 99.00th=[107480], 99.50th=[111674], 99.90th=[193987], 99.95th=[193987], | 99.99th=[193987] bw ( KiB/s): min= 95, max= 509, per=25.82%, avg=272.65, stdev=100.92, samples=43 iops : min= 5, max= 31, avg=16.35, stdev= 6.40, samples=43 write: IOPS=17, BW=284KiB/s (291kB/s)(6256KiB/21995msec); 0 zone resets clat (usec): min=1441, max=174470, avg=27237.44, stdev=29495.89 lat (usec): min=1442, max=174474, avg=27240.23, stdev=29496.00 clat percentiles (usec): | 1.00th=[ 1467], 5.00th=[ 1729], 10.00th=[ 1991], 20.00th=[ 2999], | 30.00th=[ 6915], 40.00th=[ 9765], 50.00th=[ 14615], 60.00th=[ 25035], | 70.00th=[ 34866], 80.00th=[ 48497], 90.00th=[ 70779], 95.00th=[ 87557], | 99.00th=[121111], 99.50th=[135267], 99.90th=[175113], 99.95th=[175113], | 99.99th=[175113] bw ( KiB/s): min= 157, max= 542, per=25.59%, avg=284.26, stdev=91.11, samples=43 iops : min= 9, max= 33, avg=17.09, stdev= 5.63, samples=43 lat (usec) : 250=10.68%, 500=2.60%, 750=0.78%, 1000=0.26% lat (msec) : 2=5.60%, 4=6.25%, 10=10.16%, 20=11.20%, 50=31.51% lat (msec) : 100=18.36%, 250=2.60% cpu : usr=0.11%, sys=9.31%, ctx=1352, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1056KiB/s (1081kB/s), 265KiB/s-276KiB/s (272kB/s-282kB/s), io=23.4MiB (24.5MB), run=21655-22681msec WRITE: bw=1111KiB/s (1138kB/s), 266KiB/s-302KiB/s (272kB/s-309kB/s), io=24.6MiB (25.8MB), run=21655-22681msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146513: Sun Nov 16 20:45:55 2025 read: IOPS=5, BW=87.6KiB/s (89.7kB/s)(5920KiB/67553msec) clat (msec): min=7, max=214, avg=30.56, stdev=27.45 lat (msec): min=7, max=214, avg=30.57, stdev=27.45 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 30], 80.00th=[ 39], 90.00th=[ 60], 95.00th=[ 79], | 99.00th=[ 171], 99.50th=[ 203], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] bw ( KiB/s): min= 30, max= 383, per=28.09%, avg=98.59, stdev=58.38, samples=117 iops : min= 1, max= 23, avg= 5.33, stdev= 3.67, samples=117 write: IOPS=5, BW=94.3KiB/s (96.5kB/s)(6368KiB/67553msec); 0 zone resets clat (msec): min=48, max=335, avg=141.16, stdev=51.44 lat (msec): min=48, max=335, avg=141.16, stdev=51.44 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 78], 10.00th=[ 87], 20.00th=[ 101], | 30.00th=[ 112], 40.00th=[ 122], 50.00th=[ 132], 60.00th=[ 144], | 70.00th=[ 157], 80.00th=[ 174], 90.00th=[ 205], 95.00th=[ 253], | 99.00th=[ 317], 99.50th=[ 334], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 29, max= 191, per=25.39%, avg=93.70, stdev=32.15, samples=133 iops : min= 1, max= 11, avg= 5.02, stdev= 2.04, samples=133 lat (msec) : 10=1.82%, 20=18.36%, 50=21.48%, 100=15.36%, 250=40.23% lat (msec) : 500=2.73% cpu : usr=0.06%, sys=1.48%, ctx=1357, 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=146514: Sun Nov 16 20:45:55 2025 read: IOPS=5, BW=84.3KiB/s (86.3kB/s)(5744KiB/68173msec) clat (msec): min=8, max=180, avg=31.67, stdev=26.80 lat (msec): min=8, max=180, avg=31.67, stdev=26.80 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 22], 60.00th=[ 25], | 70.00th=[ 30], 80.00th=[ 41], 90.00th=[ 69], 95.00th=[ 87], | 99.00th=[ 144], 99.50th=[ 169], 99.90th=[ 182], 99.95th=[ 182], | 99.99th=[ 182] bw ( KiB/s): min= 29, max= 415, per=27.13%, avg=95.21, stdev=62.83, samples=117 iops : min= 1, max= 25, avg= 5.13, stdev= 3.94, samples=117 write: IOPS=5, BW=95.0KiB/s (98.3kB/s)(6544KiB/68173msec); 0 zone resets clat (msec): min=40, max=375, avg=138.70, stdev=52.95 lat (msec): min=40, max=375, avg=138.71, stdev=52.95 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 71], 10.00th=[ 82], 20.00th=[ 96], | 30.00th=[ 108], 40.00th=[ 120], 50.00th=[ 133], 60.00th=[ 144], | 70.00th=[ 159], 80.00th=[ 176], 90.00th=[ 207], 95.00th=[ 239], | 99.00th=[ 309], 99.50th=[ 330], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 29, max= 254, per=26.04%, avg=96.08, stdev=33.66, samples=132 iops : min= 1, max= 15, avg= 5.17, stdev= 2.14, samples=132 lat (msec) : 10=1.04%, 20=19.14%, 50=19.66%, 100=17.84%, 250=40.23% lat (msec) : 500=2.08% cpu : usr=0.06%, sys=1.49%, ctx=1379, 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=146515: Sun Nov 16 20:45:55 2025 read: IOPS=5, BW=94.9KiB/s (97.2kB/s)(6256KiB/65919msec) clat (msec): min=7, max=199, avg=30.43, stdev=25.11 lat (msec): min=7, max=199, avg=30.43, stdev=25.11 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 20], 50.00th=[ 22], 60.00th=[ 26], | 70.00th=[ 30], 80.00th=[ 39], 90.00th=[ 61], 95.00th=[ 74], | 99.00th=[ 153], 99.50th=[ 163], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 30, max= 349, per=30.05%, avg=105.48, stdev=66.22, samples=117 iops : min= 1, max= 21, avg= 5.76, stdev= 4.16, samples=117 write: IOPS=5, BW=91.5KiB/s (93.7kB/s)(6032KiB/65919msec); 0 zone resets clat (msec): min=61, max=399, avg=143.08, stdev=53.03 lat (msec): min=61, max=399, avg=143.09, stdev=53.03 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 78], 10.00th=[ 89], 20.00th=[ 102], | 30.00th=[ 115], 40.00th=[ 124], 50.00th=[ 132], 60.00th=[ 144], | 70.00th=[ 159], 80.00th=[ 178], 90.00th=[ 213], 95.00th=[ 241], | 99.00th=[ 326], 99.50th=[ 397], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 31, max= 160, per=24.65%, avg=90.97, stdev=30.58, samples=130 iops : min= 1, max= 10, avg= 4.85, stdev= 1.96, samples=130 lat (msec) : 10=1.30%, 20=19.79%, 50=22.40%, 100=15.23%, 250=39.19% lat (msec) : 500=2.08% cpu : usr=0.05%, sys=1.55%, ctx=1428, 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=146516: Sun Nov 16 20:45:55 2025 read: IOPS=5, BW=89.6KiB/s (91.7kB/s)(6032KiB/67348msec) clat (msec): min=6, max=197, avg=30.37, stdev=26.11 lat (msec): min=6, max=197, avg=30.37, stdev=26.11 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 18], 40.00th=[ 21], 50.00th=[ 23], 60.00th=[ 26], | 70.00th=[ 29], 80.00th=[ 37], 90.00th=[ 62], 95.00th=[ 78], | 99.00th=[ 165], 99.50th=[ 188], 99.90th=[ 199], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 30, max= 380, per=28.42%, avg=99.74, stdev=59.65, samples=118 iops : min= 1, max= 23, avg= 5.39, stdev= 3.77, samples=118 write: IOPS=5, BW=92.9KiB/s (95.1kB/s)(6256KiB/67348msec); 0 zone resets clat (msec): min=60, max=498, avg=142.80, stdev=54.46 lat (msec): min=60, max=498, avg=142.80, stdev=54.46 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 75], 10.00th=[ 86], 20.00th=[ 103], | 30.00th=[ 114], 40.00th=[ 123], 50.00th=[ 130], 60.00th=[ 142], | 70.00th=[ 159], 80.00th=[ 178], 90.00th=[ 209], 95.00th=[ 243], | 99.00th=[ 334], 99.50th=[ 384], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] bw ( KiB/s): min= 31, max= 159, per=25.24%, avg=93.15, stdev=32.68, samples=132 iops : min= 1, max= 9, avg= 4.99, stdev= 2.09, samples=132 lat (msec) : 10=1.04%, 20=18.23%, 50=23.31%, 100=14.71%, 250=40.76% lat (msec) : 500=1.95% cpu : usr=0.05%, sys=1.71%, ctx=1402, 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=351KiB/s (360kB/s), 84.3KiB/s-94.9KiB/s (86.3kB/s-97.2kB/s), io=23.4MiB (24.5MB), run=65919-68173msec WRITE: bw=370KiB/s (379kB/s), 91.5KiB/s-95.0KiB/s (93.7kB/s-98.3kB/s), io=24.6MiB (25.8MB), run=65919-68173msec 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=146541: Sun Nov 16 20:46:09 2025 read: IOPS=1, BW=1968KiB/s (2015kB/s)(7168KiB/3642msec) clat (msec): min=16, max=324, avg=211.62, stdev=95.97 lat (msec): min=16, max=324, avg=211.62, stdev=95.97 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 17], 10.00th=[ 17], 20.00th=[ 188], | 30.00th=[ 224], 40.00th=[ 224], 50.00th=[ 224], 60.00th=[ 249], | 70.00th=[ 249], 80.00th=[ 257], 90.00th=[ 326], 95.00th=[ 326], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 1992, max= 4071, per=60.85%, avg=2733.50, stdev=974.69, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 write: IOPS=1, BW=1406KiB/s (1440kB/s)(5120KiB/3642msec); 0 zone resets clat (msec): min=313, max=589, avg=402.93, stdev=108.86 lat (msec): min=313, max=589, avg=402.99, stdev=108.84 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 342], 40.00th=[ 342], 50.00th=[ 376], 60.00th=[ 376], | 70.00th=[ 393], 80.00th=[ 393], 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= 1872, max= 4039, per=42.07%, avg=2646.00, stdev=1208.86, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 20=8.33%, 250=33.33%, 500=50.00%, 750=8.33% cpu : usr=0.00%, sys=14.89%, ctx=148, 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=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=146542: Sun Nov 16 20:46:09 2025 read: IOPS=0, BW=449KiB/s (460kB/s)(2048KiB/4559msec) clat (usec): min=1327, max=313121, avg=157224.76, stdev=220471.36 lat (usec): min=1330, max=313123, avg=157227.02, stdev=220471.54 clat percentiles (usec): | 1.00th=[ 1336], 5.00th=[ 1336], 10.00th=[ 1336], 20.00th=[ 1336], | 30.00th=[ 1336], 40.00th=[ 1336], 50.00th=[ 1336], 60.00th=[312476], | 70.00th=[312476], 80.00th=[312476], 90.00th=[312476], 95.00th=[312476], | 99.00th=[312476], 99.50th=[312476], 99.90th=[312476], 99.95th=[312476], | 99.99th=[312476] bw ( KiB/s): min= 1442, max= 2019, per=38.52%, avg=1730.50, stdev=408.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2246KiB/s (2300kB/s)(10.0MiB/4559msec); 0 zone resets clat (msec): min=76, max=1029, avg=411.48, stdev=292.28 lat (msec): min=76, max=1029, avg=411.58, stdev=292.28 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 77], 10.00th=[ 77], 20.00th=[ 169], | 30.00th=[ 203], 40.00th=[ 236], 50.00th=[ 275], 60.00th=[ 405], | 70.00th=[ 430], 80.00th=[ 558], 90.00th=[ 726], 95.00th=[ 1028], | 99.00th=[ 1028], 99.50th=[ 1028], 99.90th=[ 1028], 99.95th=[ 1028], | 99.99th=[ 1028] bw ( KiB/s): min= 1872, max= 4055, per=47.13%, avg=2963.83, stdev=1086.17, samples=6 iops : min= 1, max= 3, avg= 2.00, stdev= 1.10, samples=6 lat (msec) : 2=8.33%, 100=8.33%, 250=25.00%, 500=33.33%, 750=16.67% lat (msec) : 2000=8.33% cpu : usr=0.04%, sys=15.93%, ctx=144, 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=146543: Sun Nov 16 20:46:09 2025 read: IOPS=1, BW=1357KiB/s (1390kB/s)(6144KiB/4526msec) clat (msec): min=16, max=595, avg=322.19, stdev=190.21 lat (msec): min=16, max=595, avg=322.19, stdev=190.21 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 17], 10.00th=[ 17], 20.00th=[ 239], | 30.00th=[ 239], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 359], | 70.00th=[ 388], 80.00th=[ 388], 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= 1872, max= 3984, per=54.65%, avg=2454.75, stdev=1021.74, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1357KiB/s (1390kB/s)(6144KiB/4526msec); 0 zone resets clat (msec): min=165, max=818, avg=418.75, stdev=289.90 lat (msec): min=165, max=818, avg=418.94, stdev=289.81 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 165], 10.00th=[ 165], 20.00th=[ 201], | 30.00th=[ 201], 40.00th=[ 234], 50.00th=[ 234], 60.00th=[ 347], | 70.00th=[ 751], 80.00th=[ 751], 90.00th=[ 818], 95.00th=[ 818], | 99.00th=[ 818], 99.50th=[ 818], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 1973, max= 3117, per=36.35%, avg=2286.00, stdev=554.62, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 20=8.33%, 250=33.33%, 500=33.33%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=13.90%, ctx=305, 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=146544: Sun Nov 16 20:46:09 2025 read: IOPS=1, BW=1276KiB/s (1306kB/s)(5120KiB/4014msec) clat (usec): min=820, max=711127, avg=284502.86, stdev=264660.58 lat (usec): min=822, max=711129, avg=284504.22, stdev=264660.71 clat percentiles (usec): | 1.00th=[ 824], 5.00th=[ 824], 10.00th=[ 824], 20.00th=[ 824], | 30.00th=[175113], 40.00th=[175113], 50.00th=[214959], 60.00th=[214959], | 70.00th=[320865], 80.00th=[320865], 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= 3744, max= 3984, per=86.02%, avg=3864.00, stdev=169.71, samples=2 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1786KiB/s (1829kB/s)(7168KiB/4014msec); 0 zone resets clat (msec): min=79, max=729, avg=359.92, stdev=214.17 lat (msec): min=79, max=729, avg=361.25, stdev=213.22 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 80], 10.00th=[ 80], 20.00th=[ 209], | 30.00th=[ 218], 40.00th=[ 218], 50.00th=[ 384], 60.00th=[ 447], | 70.00th=[ 447], 80.00th=[ 456], 90.00th=[ 726], 95.00th=[ 726], | 99.00th=[ 726], 99.50th=[ 726], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 1414, max= 4071, per=36.50%, avg=2295.40, stdev=1024.41, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (usec) : 1000=8.33% lat (msec) : 100=8.33%, 250=33.33%, 500=33.33%, 750=16.67% cpu : usr=0.02%, sys=13.83%, ctx=252, 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=4492KiB/s (4600kB/s), 449KiB/s-1968KiB/s (460kB/s-2015kB/s), io=20.0MiB (20.0MB), run=3642-4559msec WRITE: bw=6289KiB/s (6440kB/s), 1357KiB/s-2246KiB/s (1390kB/s-2300kB/s), io=28.0MiB (29.4MB), run=3642-4559msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146546: Sun Nov 16 20:46:10 2025 read: IOPS=1, BW=1351KiB/s (1384kB/s)(7168KiB/5305msec) clat (msec): min=83, max=1003, avg=399.17, stdev=334.34 lat (msec): min=83, max=1003, avg=399.18, stdev=334.34 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 84], 10.00th=[ 84], 20.00th=[ 99], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 368], 60.00th=[ 489], | 70.00th=[ 489], 80.00th=[ 609], 90.00th=[ 1003], 95.00th=[ 1003], | 99.00th=[ 1003], 99.50th=[ 1003], 99.90th=[ 1003], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 1932, max= 3900, per=61.52%, avg=2374.80, stdev=853.40, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=0, BW=965KiB/s (988kB/s)(5120KiB/5305msec); 0 zone resets clat (msec): min=213, max=1174, avg=474.84, stdev=395.88 lat (msec): min=213, max=1174, avg=474.94, stdev=395.85 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 213], 10.00th=[ 213], 20.00th=[ 213], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 384], 80.00th=[ 384], 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= 1917, max= 4000, per=60.33%, avg=3260.33, stdev=1165.35, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 lat (msec) : 100=16.67%, 250=16.67%, 500=41.67%, 750=8.33%, 2000=16.67% cpu : usr=0.00%, sys=3.81%, ctx=71, 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=146547: Sun Nov 16 20:46:10 2025 read: IOPS=0, BW=386KiB/s (395kB/s)(2048KiB/5304msec) clat (msec): min=146, max=253, avg=199.86, stdev=75.84 lat (msec): min=146, max=253, avg=199.86, stdev=75.84 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 146], | 30.00th=[ 146], 40.00th=[ 146], 50.00th=[ 146], 60.00th=[ 253], | 70.00th=[ 253], 80.00th=[ 253], 90.00th=[ 253], 95.00th=[ 253], | 99.00th=[ 253], 99.50th=[ 253], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] bw ( KiB/s): min= 1845, max= 2000, per=49.81%, avg=1922.50, stdev=109.60, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1931KiB/s (1977kB/s)(10.0MiB/5304msec); 0 zone resets clat (msec): min=269, max=857, avg=473.68, stdev=176.72 lat (msec): min=270, max=857, avg=473.77, stdev=176.73 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 271], 10.00th=[ 271], 20.00th=[ 279], | 30.00th=[ 376], 40.00th=[ 405], 50.00th=[ 418], 60.00th=[ 435], | 70.00th=[ 485], 80.00th=[ 609], 90.00th=[ 609], 95.00th=[ 860], | 99.00th=[ 860], 99.50th=[ 860], 99.90th=[ 860], 99.95th=[ 860], | 99.99th=[ 860] bw ( KiB/s): min= 1899, max= 4000, per=41.09%, avg=2220.50, stdev=720.88, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=8.33%, 500=66.67%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=4.98%, ctx=98, 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=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=146548: Sun Nov 16 20:46:10 2025 read: IOPS=1, BW=1359KiB/s (1391kB/s)(6144KiB/4522msec) clat (msec): min=99, max=464, avg=258.87, stdev=149.84 lat (msec): min=99, max=464, avg=258.87, stdev=149.84 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 101], 10.00th=[ 101], 20.00th=[ 159], | 30.00th=[ 159], 40.00th=[ 190], 50.00th=[ 190], 60.00th=[ 215], | 70.00th=[ 426], 80.00th=[ 426], 90.00th=[ 464], 95.00th=[ 464], | 99.00th=[ 464], 99.50th=[ 464], 99.90th=[ 464], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 1917, max= 4039, per=64.76%, avg=2499.75, stdev=1027.50, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1359KiB/s (1391kB/s)(6144KiB/4522msec); 0 zone resets clat (msec): min=284, max=787, avg=481.21, stdev=229.53 lat (msec): min=285, max=787, avg=481.34, stdev=229.51 clat percentiles (msec): | 1.00th=[ 284], 5.00th=[ 284], 10.00th=[ 284], 20.00th=[ 317], | 30.00th=[ 317], 40.00th=[ 347], 50.00th=[ 347], 60.00th=[ 393], | 70.00th=[ 760], 80.00th=[ 760], 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= 1882, max= 2852, per=40.51%, avg=2189.00, stdev=446.21, samples=4 iops : min= 1, max= 2, avg= 1.25, stdev= 0.50, samples=4 lat (msec) : 100=8.33%, 250=25.00%, 500=50.00%, 1000=16.67% cpu : usr=0.00%, sys=4.58%, ctx=59, 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=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=146549: Sun Nov 16 20:46:10 2025 read: IOPS=1, BW=1065KiB/s (1091kB/s)(5120KiB/4807msec) clat (msec): min=114, max=1141, avg=410.77, stdev=420.56 lat (msec): min=114, max=1141, avg=410.77, stdev=420.56 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 114], | 30.00th=[ 157], 40.00th=[ 157], 50.00th=[ 275], 60.00th=[ 275], | 70.00th=[ 368], 80.00th=[ 368], 90.00th=[ 1150], 95.00th=[ 1150], | 99.00th=[ 1150], 99.50th=[ 1150], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 1917, max= 4047, per=68.77%, avg=2654.67, stdev=1206.51, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1491KiB/s (1527kB/s)(7168KiB/4807msec); 0 zone resets clat (msec): min=153, max=504, avg=370.60, stdev=139.27 lat (msec): min=153, max=505, avg=370.86, stdev=139.43 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 241], | 30.00th=[ 300], 40.00th=[ 300], 50.00th=[ 426], 60.00th=[ 477], | 70.00th=[ 477], 80.00th=[ 493], 90.00th=[ 506], 95.00th=[ 506], | 99.00th=[ 506], 99.50th=[ 506], 99.90th=[ 506], 99.95th=[ 506], | 99.99th=[ 506] bw ( KiB/s): min= 1899, max= 3900, per=43.82%, avg=2368.20, stdev=857.79, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 lat (msec) : 250=33.33%, 500=50.00%, 750=8.33%, 2000=8.33% cpu : usr=0.00%, sys=5.81%, ctx=98, 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=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=3861KiB/s (3953kB/s), 386KiB/s-1359KiB/s (395kB/s-1391kB/s), io=20.0MiB (20.0MB), run=4522-5305msec WRITE: bw=5405KiB/s (5534kB/s), 965KiB/s-1931KiB/s (988kB/s-1977kB/s), io=28.0MiB (29.4MB), run=4522-5305msec 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=146555: Sun Nov 16 20:46:23 2025 read: IOPS=1, BW=4529KiB/s (4638kB/s)(12.0MiB/2713msec) clat (msec): min=545, max=1369, avg=880.08, stdev=433.34 lat (msec): min=545, max=1369, avg=880.09, stdev=433.34 clat percentiles (msec): | 1.00th=[ 550], 5.00th=[ 550], 10.00th=[ 550], 20.00th=[ 550], | 30.00th=[ 550], 40.00th=[ 726], 50.00th=[ 726], 60.00th=[ 726], | 70.00th=[ 1368], 80.00th=[ 1368], 90.00th=[ 1368], 95.00th=[ 1368], | 99.00th=[ 1368], 99.50th=[ 1368], 99.90th=[ 1368], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 8126, max= 8159, per=100.00%, avg=8142.50, stdev=23.33, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=66.67%, 2000=33.33% cpu : usr=0.04%, sys=4.24%, 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=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=146556: Sun Nov 16 20:46:23 2025 read: IOPS=0, BW=1544KiB/s (1581kB/s)(4096KiB/2653msec) clat (nsec): min=583264k, max=583264k, avg=583263650.00, stdev= 0.00 lat (nsec): min=583267k, max=583267k, avg=583266968.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 584], 5.00th=[ 584], 10.00th=[ 584], 20.00th=[ 584], | 30.00th=[ 584], 40.00th=[ 584], 50.00th=[ 584], 60.00th=[ 584], | 70.00th=[ 584], 80.00th=[ 584], 90.00th=[ 584], 95.00th=[ 584], | 99.00th=[ 584], 99.50th=[ 584], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 7922, max= 7922, per=100.00%, avg=7922.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3088KiB/s (3162kB/s)(8192KiB/2653msec); 0 zone resets clat (msec): min=997, max=1019, avg=1008.30, stdev=15.85 lat (msec): min=997, max=1019, avg=1008.64, stdev=16.00 clat percentiles (msec): | 1.00th=[ 995], 5.00th=[ 995], 10.00th=[ 995], 20.00th=[ 995], | 30.00th=[ 995], 40.00th=[ 995], 50.00th=[ 995], 60.00th=[ 1020], | 70.00th=[ 1020], 80.00th=[ 1020], 90.00th=[ 1020], 95.00th=[ 1020], | 99.00th=[ 1020], 99.50th=[ 1020], 99.90th=[ 1020], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 8062, max= 8062, per=65.27%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=6.60%, ctx=61, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146557: Sun Nov 16 20:46:23 2025 write: IOPS=1, BW=6298KiB/s (6449kB/s)(12.0MiB/1951msec); 0 zone resets clat (msec): min=324, max=1232, avg=633.10, stdev=519.39 lat (msec): min=324, max=1232, avg=633.45, stdev=519.30 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 342], 50.00th=[ 342], 60.00th=[ 342], | 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= 6086, max= 7922, per=56.71%, avg=7004.00, stdev=1298.25, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=66.67%, 2000=33.33% cpu : usr=0.10%, sys=6.92%, ctx=41, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146558: Sun Nov 16 20:46:23 2025 write: IOPS=1, BW=5294KiB/s (5421kB/s)(12.0MiB/2321msec); 0 zone resets clat (msec): min=285, max=1133, avg=757.12, stdev=432.08 lat (msec): min=294, max=1133, avg=760.68, stdev=427.53 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 288], 10.00th=[ 288], 20.00th=[ 288], | 30.00th=[ 288], 40.00th=[ 852], 50.00th=[ 852], 60.00th=[ 852], | 70.00th=[ 1133], 80.00th=[ 1133], 90.00th=[ 1133], 95.00th=[ 1133], | 99.00th=[ 1133], 99.50th=[ 1133], 99.90th=[ 1133], 99.95th=[ 1133], | 99.99th=[ 1133] bw ( KiB/s): min= 6595, max= 8159, per=59.73%, avg=7377.00, stdev=1105.92, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.17%, sys=5.26%, ctx=56, 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=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=6039KiB/s (6184kB/s), 1544KiB/s-4529KiB/s (1581kB/s-4638kB/s), io=16.0MiB (16.8MB), run=2653-2713msec WRITE: bw=12.1MiB/s (12.6MB/s), 3088KiB/s-6298KiB/s (3162kB/s-6449kB/s), io=32.0MiB (33.6MB), run=1951-2653msec rand-rw: (groupid=0, jobs=1): err= 0: pid=146560: Sun Nov 16 20:46:24 2025 read: IOPS=1, BW=5285KiB/s (5412kB/s)(12.0MiB/2325msec) clat (msec): min=517, max=1036, avg=774.41, stdev=259.43 lat (msec): min=517, max=1036, avg=774.41, stdev=259.43 clat percentiles (msec): | 1.00th=[ 518], 5.00th=[ 518], 10.00th=[ 518], 20.00th=[ 518], | 30.00th=[ 518], 40.00th=[ 768], 50.00th=[ 768], 60.00th=[ 768], | 70.00th=[ 1036], 80.00th=[ 1036], 90.00th=[ 1036], 95.00th=[ 1036], | 99.00th=[ 1036], 99.50th=[ 1036], 99.90th=[ 1036], 99.95th=[ 1036], | 99.99th=[ 1036] bw ( KiB/s): min= 7922, max= 7984, per=100.00%, avg=7953.00, stdev=43.84, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=12.01%, ctx=554, 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=146561: Sun Nov 16 20:46:24 2025 read: IOPS=0, BW=1500KiB/s (1536kB/s)(4096KiB/2730msec) clat (nsec): min=737474k, max=737474k, avg=737474353.00, stdev= 0.00 lat (nsec): min=737476k, max=737476k, avg=737475764.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 735], 5.00th=[ 735], 10.00th=[ 735], 20.00th=[ 735], | 30.00th=[ 735], 40.00th=[ 735], 50.00th=[ 735], 60.00th=[ 735], | 70.00th=[ 735], 80.00th=[ 735], 90.00th=[ 735], 95.00th=[ 735], | 99.00th=[ 735], 99.50th=[ 735], 99.90th=[ 735], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 7984, max= 7984, per=100.00%, avg=7984.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3001KiB/s (3073kB/s)(8192KiB/2730msec); 0 zone resets clat (msec): min=991, max=998, avg=995.27, stdev= 4.84 lat (msec): min=992, max=999, avg=995.78, stdev= 4.85 clat percentiles (msec): | 1.00th=[ 995], 5.00th=[ 995], 10.00th=[ 995], 20.00th=[ 995], | 30.00th=[ 995], 40.00th=[ 995], 50.00th=[ 995], 60.00th=[ 1003], | 70.00th=[ 1003], 80.00th=[ 1003], 90.00th=[ 1003], 95.00th=[ 1003], | 99.00th=[ 1003], 99.50th=[ 1003], 99.90th=[ 1003], 99.95th=[ 1003], | 99.99th=[ 1003] bw ( KiB/s): min= 7922, max= 7922, per=67.82%, avg=7922.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=6.49%, ctx=168, 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=146562: Sun Nov 16 20:46:24 2025 write: IOPS=1, BW=4381KiB/s (4486kB/s)(12.0MiB/2805msec); 0 zone resets clat (msec): min=355, max=1327, avg=933.65, stdev=511.85 lat (msec): min=355, max=1328, avg=934.22, stdev=511.81 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 355], 10.00th=[ 355], 20.00th=[ 355], | 30.00th=[ 355], 40.00th=[ 1116], 50.00th=[ 1116], 60.00th=[ 1116], | 70.00th=[ 1334], 80.00th=[ 1334], 90.00th=[ 1334], 95.00th=[ 1334], | 99.00th=[ 1334], 99.50th=[ 1334], 99.90th=[ 1334], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 8126, max= 8159, per=69.71%, avg=8142.50, stdev=23.33, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.14%, sys=4.39%, ctx=53, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=146563: Sun Nov 16 20:46:24 2025 write: IOPS=1, BW=5965KiB/s (6108kB/s)(12.0MiB/2060msec); 0 zone resets clat (msec): min=402, max=1052, avg=685.78, stdev=333.23 lat (msec): min=403, max=1053, avg=686.28, stdev=333.22 clat percentiles (msec): | 1.00th=[ 401], 5.00th=[ 401], 10.00th=[ 401], 20.00th=[ 401], | 30.00th=[ 401], 40.00th=[ 600], 50.00th=[ 600], 60.00th=[ 600], | 70.00th=[ 1053], 80.00th=[ 1053], 90.00th=[ 1053], 95.00th=[ 1053], | 99.00th=[ 1053], 99.50th=[ 1053], 99.90th=[ 1053], 99.95th=[ 1053], | 99.99th=[ 1053] bw ( KiB/s): min= 5512, max= 7953, per=57.64%, avg=6732.50, stdev=1726.05, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=4.57%, ctx=38, 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=6001KiB/s (6146kB/s), 1500KiB/s-5285KiB/s (1536kB/s-5412kB/s), io=16.0MiB (16.8MB), run=2325-2730msec WRITE: bw=11.4MiB/s (11.0MB/s), 3001KiB/s-5965KiB/s (3073kB/s-6108kB/s), io=32.0MiB (33.6MB), run=2060-2805msec