== sanity test 398b: DIO and buffer IO race ============== 09:15:37 (1788873337) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.81268 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=148347: Tue Sep 8 09:18:09 2026 read: IOPS=11, BW=45.9KiB/s (47.0kB/s)(5992KiB/130526msec) clat (usec): min=21, max=1178.0k, avg=43084.36, stdev=44477.48 lat (usec): min=21, max=1178.0k, avg=43088.05, stdev=44478.84 clat percentiles (usec): | 1.00th=[ 50], 5.00th=[ 61], 10.00th=[ 570], | 20.00th=[ 19006], 30.00th=[ 24511], 40.00th=[ 30016], | 50.00th=[ 35914], 60.00th=[ 43779], 70.00th=[ 52167], | 80.00th=[ 63701], 90.00th=[ 81265], 95.00th=[ 95945], | 99.00th=[ 141558], 99.50th=[ 179307], 99.90th=[ 417334], | 99.95th=[1182794], 99.99th=[1182794] bw ( KiB/s): min= 7, max= 112, per=25.10%, avg=45.94, stdev=19.69, samples=255 iops : min= 1, max= 28, avg=10.85, stdev= 4.98, samples=255 write: IOPS=12, BW=48.2KiB/s (49.4kB/s)(6296KiB/130526msec); 0 zone resets clat (usec): min=840, max=430430, avg=41574.93, stdev=44551.83 lat (usec): min=841, max=430432, avg=41586.54, stdev=44545.21 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1188], 10.00th=[ 1500], 20.00th=[ 3654], | 30.00th=[ 8094], 40.00th=[ 17957], 50.00th=[ 29492], 60.00th=[ 41157], | 70.00th=[ 53216], 80.00th=[ 72877], 90.00th=[100140], 95.00th=[130548], | 99.00th=[191890], 99.50th=[240124], 99.90th=[329253], 99.95th=[429917], | 99.99th=[429917] bw ( KiB/s): min= 7, max= 117, per=25.28%, avg=48.28, stdev=20.16, samples=255 iops : min= 1, max= 29, avg=11.44, stdev= 5.09, samples=255 lat (usec) : 50=0.52%, 100=3.78%, 250=0.42%, 500=0.13%, 750=0.03% lat (usec) : 1000=0.26% lat (msec) : 2=6.35%, 4=4.20%, 10=6.25%, 20=9.80%, 50=35.77% lat (msec) : 100=25.07%, 250=7.10%, 500=0.29%, 2000=0.03% cpu : usr=0.08%, sys=4.91%, ctx=6259, 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=148350: Tue Sep 8 09:18:09 2026 read: IOPS=11, BW=45.4KiB/s (46.5kB/s)(5940KiB/130746msec) clat (usec): min=23, max=675242, avg=42965.46, stdev=38131.72 lat (usec): min=23, max=675244, avg=42969.34, stdev=38130.43 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 58], 10.00th=[ 178], 20.00th=[ 18220], | 30.00th=[ 24511], 40.00th=[ 29230], 50.00th=[ 35390], 60.00th=[ 42206], | 70.00th=[ 52167], 80.00th=[ 64226], 90.00th=[ 83362], 95.00th=[101188], | 99.00th=[154141], 99.50th=[198181], 99.90th=[408945], 99.95th=[675283], | 99.99th=[675283] bw ( KiB/s): min= 7, max= 110, per=24.73%, avg=45.26, stdev=19.49, samples=255 iops : min= 1, max= 27, avg=10.69, stdev= 4.92, samples=255 write: IOPS=12, BW=48.6KiB/s (49.7kB/s)(6348KiB/130746msec); 0 zone resets clat (usec): min=951, max=1129.7k, avg=41842.65, stdev=49771.39 lat (usec): min=952, max=1129.7k, avg=41848.06, stdev=49768.56 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1188], 10.00th=[ 1401], | 20.00th=[ 3589], 30.00th=[ 8586], 40.00th=[ 19530], | 50.00th=[ 31589], 60.00th=[ 40633], 70.00th=[ 53740], | 80.00th=[ 71828], 90.00th=[ 102237], 95.00th=[ 121111], | 99.00th=[ 173016], 99.50th=[ 196084], 99.90th=[ 316670], | 99.95th=[1132463], 99.99th=[1132463] bw ( KiB/s): min= 7, max= 108, per=25.50%, avg=48.71, stdev=19.92, samples=253 iops : min= 1, max= 27, avg=11.56, stdev= 5.02, samples=253 lat (usec) : 50=0.62%, 100=4.13%, 250=0.13%, 500=0.20%, 750=0.03% lat (usec) : 1000=0.20% lat (msec) : 2=6.97%, 4=4.30%, 10=5.53%, 20=9.80%, 50=35.94% lat (msec) : 100=24.06%, 250=7.88%, 500=0.16%, 750=0.03%, 2000=0.03% cpu : usr=0.07%, sys=4.88%, ctx=6410, 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=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=148351: Tue Sep 8 09:18:09 2026 read: IOPS=11, BW=46.2KiB/s (47.3kB/s)(6028KiB/130558msec) clat (usec): min=30, max=191561, avg=40438.43, stdev=29353.34 lat (usec): min=30, max=191561, avg=40442.96, stdev=29351.85 clat percentiles (usec): | 1.00th=[ 49], 5.00th=[ 57], 10.00th=[ 81], 20.00th=[ 17957], | 30.00th=[ 23725], 40.00th=[ 29492], 50.00th=[ 35390], 60.00th=[ 41681], | 70.00th=[ 50070], 80.00th=[ 63177], 90.00th=[ 79168], 95.00th=[ 93848], | 99.00th=[131597], 99.50th=[147850], 99.90th=[166724], 99.95th=[191890], | 99.99th=[191890] bw ( KiB/s): min= 7, max= 102, per=25.32%, avg=46.34, stdev=20.14, samples=254 iops : min= 1, max= 25, avg=10.96, stdev= 5.06, samples=254 write: IOPS=11, BW=47.9KiB/s (49.1kB/s)(6260KiB/130558msec); 0 zone resets clat (usec): min=868, max=1352.8k, avg=44158.40, stdev=57771.94 lat (usec): min=870, max=1352.8k, avg=44171.09, stdev=57788.84 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1172], 10.00th=[ 1418], | 20.00th=[ 4146], 30.00th=[ 9241], 40.00th=[ 20055], | 50.00th=[ 30540], 60.00th=[ 41157], 70.00th=[ 56886], | 80.00th=[ 74974], 90.00th=[ 100140], 95.00th=[ 132645], | 99.00th=[ 204473], 99.50th=[ 261096], 99.90th=[ 522191], | 99.95th=[1350566], 99.99th=[1350566] bw ( KiB/s): min= 7, max= 110, per=25.10%, avg=47.95, stdev=20.18, samples=255 iops : min= 1, max= 27, avg=11.36, stdev= 5.10, samples=255 lat (usec) : 50=0.81%, 100=4.39%, 250=0.39%, 500=0.07%, 750=0.03% lat (usec) : 1000=0.26% lat (msec) : 2=6.58%, 4=3.26%, 10=6.02%, 20=9.73%, 50=36.17% lat (msec) : 100=25.07%, 250=6.93%, 500=0.23%, 750=0.03%, 2000=0.03% cpu : usr=0.07%, sys=4.93%, ctx=6307, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148354: Tue Sep 8 09:18:09 2026 read: IOPS=11, BW=46.2KiB/s (47.3kB/s)(6052KiB/131014msec) clat (usec): min=21, max=1198.8k, avg=42944.96, stdev=45400.03 lat (usec): min=21, max=1198.8k, avg=42946.32, stdev=45400.01 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 58], 10.00th=[ 253], | 20.00th=[ 19530], 30.00th=[ 24511], 40.00th=[ 30016], | 50.00th=[ 35390], 60.00th=[ 42730], 70.00th=[ 51643], | 80.00th=[ 63701], 90.00th=[ 81265], 95.00th=[ 100140], | 99.00th=[ 143655], 99.50th=[ 181404], 99.90th=[ 650118], | 99.95th=[1199571], 99.99th=[1199571] bw ( KiB/s): min= 7, max= 110, per=25.23%, avg=46.18, stdev=20.10, samples=256 iops : min= 1, max= 27, avg=10.92, stdev= 5.08, samples=256 write: IOPS=11, BW=47.6KiB/s (48.7kB/s)(6236KiB/131014msec); 0 zone resets clat (usec): min=924, max=450813, avg=42037.95, stdev=46072.54 lat (usec): min=926, max=450814, avg=42041.29, stdev=46071.43 clat percentiles (usec): | 1.00th=[ 1057], 5.00th=[ 1156], 10.00th=[ 1319], 20.00th=[ 4047], | 30.00th=[ 8848], 40.00th=[ 18482], 50.00th=[ 30278], 60.00th=[ 40633], | 70.00th=[ 55837], 80.00th=[ 71828], 90.00th=[101188], 95.00th=[124257], | 99.00th=[191890], 99.50th=[227541], 99.90th=[446694], 99.95th=[450888], | 99.99th=[450888] bw ( KiB/s): min= 7, max= 110, per=25.03%, avg=47.81, stdev=18.96, samples=255 iops : min= 1, max= 27, avg=11.33, stdev= 4.78, samples=255 lat (usec) : 50=0.91%, 100=3.84%, 250=0.16%, 500=0.10%, 1000=0.20% lat (msec) : 2=6.93%, 4=3.09%, 10=6.09%, 20=9.86%, 50=36.33% lat (msec) : 100=24.84%, 250=7.39%, 500=0.20%, 750=0.03%, 2000=0.03% cpu : usr=0.06%, sys=4.89%, ctx=6241, 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=183KiB/s (188kB/s), 45.4KiB/s-46.2KiB/s (46.5kB/s-47.3kB/s), io=23.4MiB (24.6MB), run=130526-131014msec WRITE: bw=192KiB/s (196kB/s), 47.6KiB/s-48.6KiB/s (48.7kB/s-49.7kB/s), io=24.6MiB (25.7MB), run=130526-131014msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148348: Tue Sep 8 09:20:29 2026 read: IOPS=5, BW=22.1KiB/s (22.6kB/s)(5992KiB/271536msec) clat (msec): min=5, max=1198, avg=34.31, stdev=47.39 lat (msec): min=5, max=1198, avg=34.32, stdev=47.39 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 25], | 70.00th=[ 31], 80.00th=[ 45], 90.00th=[ 81], 95.00th=[ 107], | 99.00th=[ 176], 99.50th=[ 232], 99.90th=[ 393], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 7, max= 111, per=27.85%, avg=24.51, stdev=17.71, samples=472 iops : min= 1, max= 27, avg= 5.51, stdev= 4.46, samples=472 write: IOPS=5, BW=23.2KiB/s (23.7kB/s)(6296KiB/271536msec); 0 zone resets clat (msec): min=33, max=515, avg=139.58, stdev=74.16 lat (msec): min=33, max=515, avg=139.58, stdev=74.16 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 57], 10.00th=[ 66], 20.00th=[ 80], | 30.00th=[ 93], 40.00th=[ 107], 50.00th=[ 122], 60.00th=[ 138], | 70.00th=[ 161], 80.00th=[ 192], 90.00th=[ 241], 95.00th=[ 284], | 99.00th=[ 388], 99.50th=[ 472], 99.90th=[ 510], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 7, max= 56, per=25.40%, avg=23.36, stdev=11.29, samples=519 iops : min= 1, max= 14, avg= 5.22, stdev= 2.88, samples=519 lat (msec) : 10=5.47%, 20=18.52%, 50=17.64%, 100=22.36%, 250=31.61% lat (msec) : 500=4.26%, 750=0.10%, 2000=0.03% cpu : usr=0.05%, sys=1.05%, ctx=5161, 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=148349: Tue Sep 8 09:20:29 2026 read: IOPS=5, BW=21.9KiB/s (22.4kB/s)(5940KiB/271657msec) clat (msec): min=4, max=1215, avg=33.37, stdev=46.21 lat (msec): min=4, max=1215, avg=33.37, stdev=46.21 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 45], 90.00th=[ 71], 95.00th=[ 95], | 99.00th=[ 163], 99.50th=[ 230], 99.90th=[ 418], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 7, max= 103, per=28.60%, avg=25.17, stdev=17.19, samples=456 iops : min= 1, max= 25, avg= 5.69, stdev= 4.33, samples=456 write: IOPS=5, BW=23.4KiB/s (23.9kB/s)(6348KiB/271657msec); 0 zone resets clat (msec): min=31, max=786, avg=139.67, stdev=73.42 lat (msec): min=31, max=786, avg=139.67, stdev=73.42 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 56], 10.00th=[ 66], 20.00th=[ 80], | 30.00th=[ 92], 40.00th=[ 107], 50.00th=[ 124], 60.00th=[ 142], | 70.00th=[ 163], 80.00th=[ 192], 90.00th=[ 241], 95.00th=[ 284], | 99.00th=[ 363], 99.50th=[ 418], 99.90th=[ 506], 99.95th=[ 785], | 99.99th=[ 785] bw ( KiB/s): min= 7, max= 56, per=25.34%, avg=23.32, stdev=11.24, samples=523 iops : min= 1, max= 14, avg= 5.21, stdev= 2.87, samples=523 lat (msec) : 10=5.47%, 20=17.68%, 50=18.20%, 100=23.21%, 250=31.05% lat (msec) : 500=4.26%, 750=0.07%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.08%, ctx=5279, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148352: Tue Sep 8 09:20:29 2026 read: IOPS=5, BW=22.5KiB/s (22.0kB/s)(6028KiB/268450msec) clat (msec): min=4, max=390, avg=34.80, stdev=38.44 lat (msec): min=4, max=390, avg=34.80, stdev=38.44 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 16], 40.00th=[ 18], 50.00th=[ 22], 60.00th=[ 27], | 70.00th=[ 34], 80.00th=[ 49], 90.00th=[ 79], 95.00th=[ 102], | 99.00th=[ 194], 99.50th=[ 264], 99.90th=[ 384], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 7, max= 95, per=27.90%, avg=24.55, stdev=16.56, samples=474 iops : min= 1, max= 23, avg= 5.52, stdev= 4.15, samples=474 write: IOPS=5, BW=23.3KiB/s (23.9kB/s)(6260KiB/268450msec); 0 zone resets clat (msec): min=26, max=1340, avg=137.74, stdev=75.43 lat (msec): min=26, max=1340, avg=137.74, stdev=75.43 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 58], 10.00th=[ 66], 20.00th=[ 80], | 30.00th=[ 94], 40.00th=[ 105], 50.00th=[ 122], 60.00th=[ 140], | 70.00th=[ 159], 80.00th=[ 190], 90.00th=[ 230], 95.00th=[ 271], | 99.00th=[ 359], 99.50th=[ 397], 99.90th=[ 793], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 63, per=25.33%, avg=23.30, stdev=11.53, samples=518 iops : min= 1, max= 15, avg= 5.21, stdev= 2.95, samples=518 lat (msec) : 10=5.53%, 20=17.12%, 50=18.20%, 100=24.22%, 250=31.02% lat (msec) : 500=3.84%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.07%, ctx=5188, 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=148353: Tue Sep 8 09:20:29 2026 read: IOPS=5, BW=22.5KiB/s (23.1kB/s)(6052KiB/268450msec) clat (msec): min=3, max=400, avg=33.77, stdev=35.98 lat (msec): min=3, max=400, avg=33.77, stdev=35.98 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 21], 60.00th=[ 26], | 70.00th=[ 33], 80.00th=[ 47], 90.00th=[ 81], 95.00th=[ 104], | 99.00th=[ 157], 99.50th=[ 222], 99.90th=[ 393], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 7, max= 104, per=28.81%, avg=25.35, stdev=18.54, samples=462 iops : min= 1, max= 26, avg= 5.72, stdev= 4.67, samples=462 write: IOPS=5, BW=23.2KiB/s (23.8kB/s)(6236KiB/268450msec); 0 zone resets clat (msec): min=26, max=1333, avg=139.13, stdev=79.63 lat (msec): min=26, max=1333, avg=139.13, stdev=79.63 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 55], 10.00th=[ 65], 20.00th=[ 80], | 30.00th=[ 91], 40.00th=[ 106], 50.00th=[ 122], 60.00th=[ 140], | 70.00th=[ 161], 80.00th=[ 192], 90.00th=[ 232], 95.00th=[ 271], | 99.00th=[ 409], 99.50th=[ 468], 99.90th=[ 802], 99.95th=[ 1334], | 99.99th=[ 1334] bw ( KiB/s): min= 7, max= 64, per=25.31%, avg=23.29, stdev=11.34, samples=516 iops : min= 1, max= 16, avg= 5.21, stdev= 2.89, samples=516 lat (msec) : 4=0.03%, 10=5.31%, 20=18.29%, 50=17.71%, 100=23.47% lat (msec) : 250=31.32%, 500=3.74%, 750=0.07%, 1000=0.03%, 2000=0.03% cpu : usr=0.04%, sys=1.05%, ctx=5262, 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=88.4KiB/s (90.5kB/s), 21.9KiB/s-22.5KiB/s (22.4kB/s-23.1kB/s), io=23.4MiB (24.6MB), run=268450-271657msec WRITE: bw=92.5KiB/s (94.8kB/s), 23.2KiB/s-23.4KiB/s (23.7kB/s-23.9kB/s), io=24.6MiB (25.7MB), run=268450-271657msec 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=148402: Tue Sep 8 09:21:07 2026 read: IOPS=14, BW=236KiB/s (242kB/s)(5920KiB/25050msec) clat (usec): min=38, max=300965, avg=35717.32, stdev=31898.83 lat (usec): min=38, max=300966, avg=35718.62, stdev=31898.82 clat percentiles (usec): | 1.00th=[ 44], 5.00th=[ 58], 10.00th=[ 61], 20.00th=[ 89], | 30.00th=[ 20055], 40.00th=[ 26084], 50.00th=[ 33817], 60.00th=[ 39060], | 70.00th=[ 45876], 80.00th=[ 56886], 90.00th=[ 70779], 95.00th=[ 85459], | 99.00th=[111674], 99.50th=[219153], 99.90th=[299893], 99.95th=[299893], | 99.99th=[299893] bw ( KiB/s): min= 95, max= 469, per=26.17%, avg=232.65, stdev=92.24, samples=49 iops : min= 5, max= 29, avg=13.78, stdev= 5.83, samples=49 write: IOPS=15, BW=254KiB/s (260kB/s)(6368KiB/25050msec); 0 zone resets clat (usec): min=1179, max=191272, avg=29218.26, stdev=32461.86 lat (usec): min=1180, max=191274, avg=29221.71, stdev=32462.71 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1713], 10.00th=[ 2089], 20.00th=[ 3851], | 30.00th=[ 5997], 40.00th=[ 9765], 50.00th=[ 15926], 60.00th=[ 27132], | 70.00th=[ 37487], 80.00th=[ 47973], 90.00th=[ 78119], 95.00th=[ 98042], | 99.00th=[147850], 99.50th=[160433], 99.90th=[191890], 99.95th=[191890], | 99.99th=[191890] bw ( KiB/s): min= 31, max= 544, per=27.03%, avg=252.78, stdev=105.88, samples=49 iops : min= 1, max= 34, avg=15.04, stdev= 6.74, samples=49 lat (usec) : 50=1.30%, 100=8.59%, 250=0.26%, 500=0.13% lat (msec) : 2=4.82%, 4=6.38%, 10=10.16%, 20=10.42%, 50=36.20% lat (msec) : 100=17.58%, 250=4.04%, 500=0.13% cpu : usr=0.08%, sys=5.78%, ctx=1365, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148403: Tue Sep 8 09:21:07 2026 read: IOPS=13, BW=213KiB/s (218kB/s)(5744KiB/26931msec) clat (usec): min=38, max=190005, avg=38637.93, stdev=29324.42 lat (usec): min=38, max=190007, avg=38649.35, stdev=29330.12 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 13566], | 30.00th=[ 23462], 40.00th=[ 30278], 50.00th=[ 36439], 60.00th=[ 43254], | 70.00th=[ 52167], 80.00th=[ 61604], 90.00th=[ 72877], 95.00th=[ 81265], | 99.00th=[137364], 99.50th=[187696], 99.90th=[189793], 99.95th=[189793], | 99.99th=[189793] bw ( KiB/s): min= 31, max= 448, per=23.81%, avg=211.70, stdev=96.52, samples=53 iops : min= 1, max= 28, avg=12.47, stdev= 6.08, samples=53 write: IOPS=15, BW=243KiB/s (249kB/s)(6544KiB/26931msec); 0 zone resets clat (usec): min=1317, max=171279, avg=31468.53, stdev=33735.91 lat (usec): min=1318, max=171281, avg=31470.91, stdev=33735.84 clat percentiles (usec): | 1.00th=[ 1483], 5.00th=[ 1680], 10.00th=[ 2180], 20.00th=[ 4424], | 30.00th=[ 6194], 40.00th=[ 10945], 50.00th=[ 17957], 60.00th=[ 29230], | 70.00th=[ 41681], 80.00th=[ 57410], 90.00th=[ 79168], 95.00th=[ 94897], | 99.00th=[141558], 99.50th=[156238], 99.90th=[170918], 99.95th=[170918], | 99.99th=[170918] bw ( KiB/s): min= 93, max= 540, per=25.94%, avg=242.53, stdev=99.03, samples=53 iops : min= 5, max= 33, avg=14.43, stdev= 6.32, samples=53 lat (usec) : 50=0.91%, 100=6.90%, 250=0.39%, 500=0.13%, 1000=0.13% lat (msec) : 2=4.82%, 4=4.95%, 10=11.07%, 20=9.64%, 50=33.59% lat (msec) : 100=24.35%, 250=3.12% cpu : usr=0.08%, sys=6.20%, ctx=1464, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148404: Tue Sep 8 09:21:07 2026 read: IOPS=14, BW=236KiB/s (241kB/s)(6256KiB/26557msec) clat (usec): min=35, max=273309, avg=35439.34, stdev=30603.92 lat (usec): min=35, max=273310, avg=35440.50, stdev=30603.95 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 55], 10.00th=[ 60], 20.00th=[ 74], | 30.00th=[ 20579], 40.00th=[ 26870], 50.00th=[ 31327], 60.00th=[ 39060], | 70.00th=[ 45351], 80.00th=[ 56361], 90.00th=[ 76022], 95.00th=[ 90702], | 99.00th=[116917], 99.50th=[124257], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 62, max= 508, per=26.65%, avg=236.88, stdev=82.73, samples=52 iops : min= 3, max= 31, avg=14.04, stdev= 5.21, samples=52 write: IOPS=14, BW=227KiB/s (233kB/s)(6032KiB/26557msec); 0 zone resets clat (usec): min=982, max=224579, avg=33510.04, stdev=38495.97 lat (usec): min=983, max=224581, avg=33512.14, stdev=38496.00 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1696], 10.00th=[ 2089], 20.00th=[ 3752], | 30.00th=[ 6259], 40.00th=[ 11731], 50.00th=[ 20317], 60.00th=[ 30016], | 70.00th=[ 40109], 80.00th=[ 58459], 90.00th=[ 84411], 95.00th=[108528], | 99.00th=[196084], 99.50th=[214959], 99.90th=[225444], 99.95th=[225444], | 99.99th=[225444] bw ( KiB/s): min= 31, max= 409, per=24.10%, avg=225.33, stdev=91.57, samples=52 iops : min= 1, max= 25, avg=13.31, stdev= 5.78, samples=52 lat (usec) : 50=1.17%, 100=10.29%, 250=0.39%, 500=0.26%, 750=0.13% lat (usec) : 1000=0.13% lat (msec) : 2=4.43%, 4=5.99%, 10=7.68%, 20=8.20%, 50=36.98% lat (msec) : 100=19.92%, 250=4.30%, 500=0.13% cpu : usr=0.07%, sys=5.54%, ctx=1376, 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=148405: Tue Sep 8 09:21:07 2026 read: IOPS=14, BW=228KiB/s (234kB/s)(6032KiB/26413msec) clat (usec): min=28, max=331815, avg=38592.25, stdev=33470.24 lat (usec): min=28, max=331817, avg=38593.98, stdev=33469.55 clat percentiles (usec): | 1.00th=[ 42], 5.00th=[ 58], 10.00th=[ 64], 20.00th=[ 1090], | 30.00th=[ 23200], 40.00th=[ 30016], 50.00th=[ 34866], 60.00th=[ 41157], | 70.00th=[ 49546], 80.00th=[ 58983], 90.00th=[ 72877], 95.00th=[ 94897], | 99.00th=[149947], 99.50th=[187696], 99.90th=[333448], 99.95th=[333448], | 99.99th=[333448] bw ( KiB/s): min= 63, max= 383, per=25.58%, avg=227.43, stdev=79.96, samples=51 iops : min= 3, max= 23, avg=13.47, stdev= 5.07, samples=51 write: IOPS=14, BW=237KiB/s (243kB/s)(6256KiB/26413msec); 0 zone resets clat (usec): min=1316, max=188339, avg=29856.81, stdev=32950.86 lat (usec): min=1319, max=188341, avg=29859.83, stdev=32950.76 clat percentiles (usec): | 1.00th=[ 1418], 5.00th=[ 1713], 10.00th=[ 1942], 20.00th=[ 3752], | 30.00th=[ 6259], 40.00th=[ 9896], 50.00th=[ 18744], 60.00th=[ 26346], | 70.00th=[ 36439], 80.00th=[ 51643], 90.00th=[ 74974], 95.00th=[101188], | 99.00th=[149947], 99.50th=[168821], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 62, max= 480, per=25.43%, avg=237.80, stdev=92.71, samples=51 iops : min= 3, max= 30, avg=14.12, stdev= 5.86, samples=51 lat (usec) : 50=0.78%, 100=8.46%, 250=0.26%, 500=0.13%, 1000=0.13% lat (msec) : 2=5.34%, 4=5.73%, 10=10.03%, 20=6.77%, 50=37.63% lat (msec) : 100=20.18%, 250=4.43%, 500=0.13% cpu : usr=0.07%, sys=6.09%, ctx=1430, 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=889KiB/s (911kB/s), 213KiB/s-236KiB/s (218kB/s-242kB/s), io=23.4MiB (24.5MB), run=25050-26931msec WRITE: bw=936KiB/s (958kB/s), 227KiB/s-254KiB/s (233kB/s-260kB/s), io=24.6MiB (25.8MB), run=25050-26931msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148407: Tue Sep 8 09:21:47 2026 read: IOPS=5, BW=88.8KiB/s (90.9kB/s)(5920KiB/66673msec) clat (msec): min=7, max=299, avg=35.95, stdev=38.90 lat (msec): min=7, max=299, avg=35.95, stdev=38.90 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 15], | 30.00th=[ 18], 40.00th=[ 22], 50.00th=[ 26], 60.00th=[ 29], | 70.00th=[ 35], 80.00th=[ 42], 90.00th=[ 71], 95.00th=[ 100], | 99.00th=[ 236], 99.50th=[ 275], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 31, max= 382, per=26.67%, avg=95.73, stdev=60.60, samples=122 iops : min= 1, max= 23, avg= 5.20, stdev= 3.84, samples=122 write: IOPS=5, BW=95.5KiB/s (97.8kB/s)(6368KiB/66673msec); 0 zone resets clat (msec): min=43, max=401, avg=133.90, stdev=57.29 lat (msec): min=43, max=401, avg=133.92, stdev=57.29 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 69], 10.00th=[ 78], 20.00th=[ 90], | 30.00th=[ 101], 40.00th=[ 108], 50.00th=[ 120], 60.00th=[ 134], | 70.00th=[ 146], 80.00th=[ 169], 90.00th=[ 215], 95.00th=[ 251], | 99.00th=[ 330], 99.50th=[ 397], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 26, max= 191, per=25.22%, avg=95.08, stdev=38.06, samples=132 iops : min= 1, max= 11, avg= 5.15, stdev= 2.46, samples=132 lat (msec) : 10=2.21%, 20=15.63%, 50=23.31%, 100=20.44%, 250=35.55% lat (msec) : 500=2.86% cpu : usr=0.05%, sys=1.28%, ctx=1310, 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=148408: Tue Sep 8 09:21:47 2026 read: IOPS=5, BW=86.4KiB/s (88.5kB/s)(5744KiB/66471msec) clat (msec): min=7, max=300, avg=36.69, stdev=37.81 lat (msec): min=7, max=300, avg=36.70, stdev=37.81 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 12], 20.00th=[ 14], | 30.00th=[ 17], 40.00th=[ 21], 50.00th=[ 23], 60.00th=[ 28], | 70.00th=[ 34], 80.00th=[ 47], 90.00th=[ 85], 95.00th=[ 120], | 99.00th=[ 209], 99.50th=[ 220], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 28, max= 318, per=26.94%, avg=96.71, stdev=57.99, samples=116 iops : min= 1, max= 19, avg= 5.27, stdev= 3.68, samples=116 write: IOPS=6, BW=98.4KiB/s (101kB/s)(6544KiB/66471msec); 0 zone resets clat (msec): min=50, max=392, avg=130.19, stdev=56.24 lat (msec): min=50, max=392, avg=130.20, stdev=56.24 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 68], 10.00th=[ 74], 20.00th=[ 89], | 30.00th=[ 96], 40.00th=[ 106], 50.00th=[ 116], 60.00th=[ 130], | 70.00th=[ 144], 80.00th=[ 159], 90.00th=[ 205], 95.00th=[ 243], | 99.00th=[ 338], 99.50th=[ 359], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 31, max= 191, per=26.34%, avg=99.29, stdev=37.68, samples=129 iops : min= 1, max= 11, avg= 5.41, stdev= 2.42, samples=129 lat (msec) : 10=2.34%, 20=16.67%, 50=18.88%, 100=23.57%, 250=35.94% lat (msec) : 500=2.60% cpu : usr=0.02%, sys=1.19%, ctx=1286, 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=148409: Tue Sep 8 09:21:47 2026 read: IOPS=6, BW=97.5KiB/s (99.8kB/s)(6256KiB/64191msec) clat (msec): min=7, max=235, avg=34.64, stdev=33.01 lat (msec): min=7, max=235, avg=34.64, stdev=33.01 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 21], 50.00th=[ 24], 60.00th=[ 28], | 70.00th=[ 33], 80.00th=[ 43], 90.00th=[ 72], 95.00th=[ 107], | 99.00th=[ 184], 99.50th=[ 226], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 30, max= 351, per=29.22%, avg=104.90, stdev=71.59, samples=118 iops : min= 1, max= 21, avg= 5.75, stdev= 4.56, samples=118 write: IOPS=5, BW=93.0KiB/s (96.2kB/s)(6032KiB/64191msec); 0 zone resets clat (msec): min=45, max=398, avg=134.23, stdev=56.70 lat (msec): min=45, max=398, avg=134.24, stdev=56.69 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 67], 10.00th=[ 77], 20.00th=[ 91], | 30.00th=[ 105], 40.00th=[ 113], 50.00th=[ 123], 60.00th=[ 132], | 70.00th=[ 146], 80.00th=[ 167], 90.00th=[ 207], 95.00th=[ 259], | 99.00th=[ 334], 99.50th=[ 380], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 30, max= 191, per=24.75%, avg=93.31, stdev=35.56, samples=127 iops : min= 1, max= 11, avg= 5.04, stdev= 2.29, samples=127 lat (msec) : 10=2.21%, 20=16.02%, 50=25.00%, 100=17.97%, 250=36.20% lat (msec) : 500=2.60% cpu : usr=0.05%, sys=1.33%, ctx=1339, 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=148410: Tue Sep 8 09:21:47 2026 read: IOPS=5, BW=92.6KiB/s (94.9kB/s)(6032KiB/65105msec) clat (msec): min=6, max=298, avg=34.97, stdev=32.82 lat (msec): min=6, max=298, avg=34.97, stdev=32.82 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 13], 20.00th=[ 16], | 30.00th=[ 19], 40.00th=[ 22], 50.00th=[ 24], 60.00th=[ 29], | 70.00th=[ 34], 80.00th=[ 44], 90.00th=[ 79], 95.00th=[ 103], | 99.00th=[ 159], 99.50th=[ 220], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 31, max= 320, per=28.10%, avg=100.90, stdev=63.26, samples=116 iops : min= 1, max= 20, avg= 5.53, stdev= 4.02, samples=116 write: IOPS=6, BW=96.1KiB/s (98.4kB/s)(6256KiB/65105msec); 0 zone resets clat (msec): min=40, max=446, avg=132.65, stdev=61.88 lat (msec): min=40, max=446, avg=132.66, stdev=61.88 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 66], 10.00th=[ 74], 20.00th=[ 86], | 30.00th=[ 97], 40.00th=[ 109], 50.00th=[ 120], 60.00th=[ 133], | 70.00th=[ 142], 80.00th=[ 165], 90.00th=[ 211], 95.00th=[ 243], | 99.00th=[ 393], 99.50th=[ 430], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 31, max= 191, per=25.75%, avg=97.10, stdev=37.17, samples=126 iops : min= 1, max= 11, avg= 5.28, stdev= 2.41, samples=126 lat (msec) : 10=2.47%, 20=14.97%, 50=24.09%, 100=21.48%, 250=34.77% lat (msec) : 500=2.21% cpu : usr=0.04%, sys=1.26%, ctx=1342, 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=359KiB/s (368kB/s), 86.4KiB/s-97.5KiB/s (88.5kB/s-99.8kB/s), io=23.4MiB (24.5MB), run=64191-66673msec WRITE: bw=378KiB/s (387kB/s), 93.0KiB/s-98.4KiB/s (96.2kB/s-101kB/s), io=24.6MiB (25.8MB), run=64191-66673msec 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=148432: Tue Sep 8 09:22:04 2026 read: IOPS=2, BW=2141KiB/s (2192kB/s)(7168KiB/3348msec) clat (msec): min=122, max=446, avg=234.89, stdev=106.17 lat (msec): min=122, max=446, avg=234.89, stdev=106.17 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 124], 10.00th=[ 124], 20.00th=[ 148], | 30.00th=[ 201], 40.00th=[ 201], 50.00th=[ 220], 60.00th=[ 241], | 70.00th=[ 241], 80.00th=[ 268], 90.00th=[ 447], 95.00th=[ 447], | 99.00th=[ 447], 99.50th=[ 447], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 1992, max= 3893, per=66.59%, avg=2793.50, stdev=943.09, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1529KiB/s (1566kB/s)(5120KiB/3348msec); 0 zone resets clat (msec): min=151, max=513, avg=304.13, stdev=132.63 lat (msec): min=151, max=513, avg=304.22, stdev=132.64 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 153], 10.00th=[ 153], 20.00th=[ 153], | 30.00th=[ 251], 40.00th=[ 251], 50.00th=[ 288], 60.00th=[ 288], | 70.00th=[ 321], 80.00th=[ 321], 90.00th=[ 514], 95.00th=[ 514], | 99.00th=[ 514], 99.50th=[ 514], 99.90th=[ 514], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 1946, max= 4087, per=42.69%, avg=2507.00, stdev=1053.62, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 250=50.00%, 500=41.67%, 750=8.33% cpu : usr=0.00%, sys=12.76%, ctx=245, 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=148433: Tue Sep 8 09:22:04 2026 read: IOPS=0, BW=423KiB/s (433kB/s)(2048KiB/4846msec) clat (msec): min=7, max=155, avg=81.49, stdev=104.39 lat (msec): min=7, max=155, avg=81.49, stdev=104.39 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 8], 10.00th=[ 8], 20.00th=[ 8], | 30.00th=[ 8], 40.00th=[ 8], 50.00th=[ 8], 60.00th=[ 157], | 70.00th=[ 157], 80.00th=[ 157], 90.00th=[ 157], 95.00th=[ 157], | 99.00th=[ 157], 99.50th=[ 157], 99.90th=[ 157], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 1389, max= 2003, per=40.43%, avg=1696.00, stdev=434.16, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=2, BW=2113KiB/s (2164kB/s)(10.0MiB/4846msec); 0 zone resets clat (msec): min=160, max=909, avg=459.81, stdev=265.24 lat (msec): min=161, max=909, avg=460.06, stdev=265.09 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 161], 10.00th=[ 161], 20.00th=[ 178], | 30.00th=[ 253], 40.00th=[ 288], 50.00th=[ 355], 60.00th=[ 397], | 70.00th=[ 625], 80.00th=[ 634], 90.00th=[ 802], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 1389, max= 4087, per=42.72%, avg=2508.86, stdev=1096.26, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 10=8.33%, 250=25.00%, 500=33.33%, 750=16.67%, 1000=16.67% cpu : usr=0.02%, sys=8.36%, ctx=93, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148434: Tue Sep 8 09:22:04 2026 read: IOPS=1, BW=1259KiB/s (1289kB/s)(6144KiB/4882msec) clat (msec): min=2, max=383, avg=204.47, stdev=176.09 lat (msec): min=2, max=383, avg=204.47, stdev=176.09 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 4], | 30.00th=[ 4], 40.00th=[ 155], 50.00th=[ 155], 60.00th=[ 313], | 70.00th=[ 372], 80.00th=[ 372], 90.00th=[ 384], 95.00th=[ 384], | 99.00th=[ 384], 99.50th=[ 384], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 2035, max= 4087, per=80.30%, avg=3368.67, stdev=1156.14, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1259KiB/s (1289kB/s)(6144KiB/4882msec); 0 zone resets clat (msec): min=370, max=1222, avg=568.75, stdev=322.83 lat (msec): min=370, max=1222, avg=568.83, stdev=322.85 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 372], 10.00th=[ 372], 20.00th=[ 422], | 30.00th=[ 422], 40.00th=[ 435], 50.00th=[ 435], 60.00th=[ 481], | 70.00th=[ 481], 80.00th=[ 481], 90.00th=[ 1217], 95.00th=[ 1217], | 99.00th=[ 1217], 99.50th=[ 1217], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 1484, max= 2035, per=32.54%, avg=1911.17, stdev=211.27, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (msec) : 4=16.67%, 250=8.33%, 500=66.67%, 2000=8.33% cpu : usr=0.02%, sys=9.10%, ctx=154, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148435: Tue Sep 8 09:22:04 2026 read: IOPS=1, BW=1200KiB/s (1229kB/s)(5120KiB/4267msec) clat (usec): min=545, max=391886, avg=164827.63, stdev=158819.29 lat (usec): min=546, max=391888, avg=164828.92, stdev=158819.35 clat percentiles (usec): | 1.00th=[ 545], 5.00th=[ 545], 10.00th=[ 545], 20.00th=[ 545], | 30.00th=[ 26608], 40.00th=[ 26608], 50.00th=[187696], 60.00th=[187696], | 70.00th=[217056], 80.00th=[217056], 90.00th=[392168], 95.00th=[392168], | 99.00th=[392168], 99.50th=[392168], 99.90th=[392168], 99.95th=[392168], | 99.99th=[392168] bw ( KiB/s): min= 8015, max= 8015, per=100.00%, avg=8015.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=1, BW=1680KiB/s (1720kB/s)(7168KiB/4267msec); 0 zone resets clat (msec): min=175, max=909, avg=456.64, stdev=233.54 lat (msec): min=175, max=909, avg=456.72, stdev=233.55 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 176], 10.00th=[ 176], 20.00th=[ 317], | 30.00th=[ 372], 40.00th=[ 372], 50.00th=[ 372], 60.00th=[ 523], | 70.00th=[ 523], 80.00th=[ 527], 90.00th=[ 911], 95.00th=[ 911], | 99.00th=[ 911], 99.50th=[ 911], 99.90th=[ 911], 99.95th=[ 911], | 99.99th=[ 911] bw ( KiB/s): min= 1494, max= 4015, per=38.35%, avg=2252.17, stdev=887.70, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (usec) : 750=8.33% lat (msec) : 50=8.33%, 250=25.00%, 500=33.33%, 750=16.67%, 1000=8.33% cpu : usr=0.02%, sys=9.80%, ctx=140, 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=4195KiB/s (4296kB/s), 423KiB/s-2141KiB/s (433kB/s-2192kB/s), io=20.0MiB (20.0MB), run=3348-4882msec WRITE: bw=5873KiB/s (6014kB/s), 1259KiB/s-2113KiB/s (1289kB/s-2164kB/s), io=28.0MiB (29.4MB), run=3348-4882msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148428: Tue Sep 8 09:22:04 2026 read: IOPS=2, BW=2233KiB/s (2287kB/s)(7168KiB/3210msec) clat (msec): min=77, max=759, avg=238.11, stdev=240.22 lat (msec): min=78, max=759, avg=238.11, stdev=240.22 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 79], 10.00th=[ 79], 20.00th=[ 109], | 30.00th=[ 117], 40.00th=[ 117], 50.00th=[ 120], 60.00th=[ 203], | 70.00th=[ 203], 80.00th=[ 284], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 2039, max= 4162, per=88.24%, avg=3410.67, stdev=1189.70, samples=3 iops : min= 1, max= 4, avg= 2.67, stdev= 1.53, samples=3 write: IOPS=1, BW=1595KiB/s (1633kB/s)(5120KiB/3210msec); 0 zone resets clat (msec): min=183, max=547, avg=293.72, stdev=148.78 lat (msec): min=183, max=547, avg=293.81, stdev=148.78 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 184], 10.00th=[ 184], 20.00th=[ 184], | 30.00th=[ 201], 40.00th=[ 201], 50.00th=[ 239], 60.00th=[ 239], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 1387, max= 2039, per=35.02%, avg=1895.00, stdev=284.15, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 100=8.33%, 250=58.33%, 500=16.67%, 750=8.33%, 1000=8.33% cpu : usr=0.06%, sys=3.30%, ctx=62, 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=148429: Tue Sep 8 09:22:04 2026 read: IOPS=0, BW=387KiB/s (396kB/s)(2048KiB/5298msec) clat (msec): min=109, max=285, avg=197.19, stdev=124.54 lat (msec): min=109, max=285, avg=197.20, stdev=124.54 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 110], | 30.00th=[ 110], 40.00th=[ 110], 50.00th=[ 110], 60.00th=[ 288], | 70.00th=[ 288], 80.00th=[ 288], 90.00th=[ 288], 95.00th=[ 288], | 99.00th=[ 288], 99.50th=[ 288], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 1396, max= 1976, per=43.62%, avg=1686.00, stdev=410.12, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1933KiB/s (1979kB/s)(10.0MiB/5298msec); 0 zone resets clat (msec): min=148, max=1057, avg=478.93, stdev=337.22 lat (msec): min=148, max=1057, avg=479.03, stdev=337.21 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 174], | 30.00th=[ 236], 40.00th=[ 257], 50.00th=[ 313], 60.00th=[ 330], | 70.00th=[ 550], 80.00th=[ 751], 90.00th=[ 978], 95.00th=[ 1062], | 99.00th=[ 1062], 99.50th=[ 1062], 99.90th=[ 1062], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 1396, max= 4063, per=41.61%, avg=2251.33, stdev=921.35, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (msec) : 250=33.33%, 500=33.33%, 750=8.33%, 1000=16.67%, 2000=8.33% cpu : usr=0.00%, sys=4.64%, ctx=94, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148430: Tue Sep 8 09:22:04 2026 read: IOPS=1, BW=1170KiB/s (1198kB/s)(6144KiB/5251msec) clat (msec): min=117, max=972, avg=357.20, stdev=336.69 lat (msec): min=117, max=972, avg=357.20, stdev=336.69 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 138], | 30.00th=[ 138], 40.00th=[ 169], 50.00th=[ 169], 60.00th=[ 222], | 70.00th=[ 527], 80.00th=[ 527], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 1969, max= 4079, per=65.34%, avg=2525.50, stdev=1036.03, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=1, BW=1170KiB/s (1198kB/s)(6144KiB/5251msec); 0 zone resets clat (msec): min=349, max=758, avg=487.67, stdev=168.52 lat (msec): min=349, max=758, avg=488.11, stdev=168.31 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 384], | 30.00th=[ 384], 40.00th=[ 397], 50.00th=[ 397], 60.00th=[ 397], | 70.00th=[ 642], 80.00th=[ 642], 90.00th=[ 760], 95.00th=[ 760], | 99.00th=[ 760], 99.50th=[ 760], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 1410, max= 2031, per=35.08%, avg=1898.00, stdev=272.88, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=33.33%, 500=33.33%, 750=16.67%, 1000=16.67% cpu : usr=0.00%, sys=3.24%, ctx=83, 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=148431: Tue Sep 8 09:22:04 2026 read: IOPS=1, BW=1151KiB/s (1178kB/s)(5120KiB/4450msec) clat (msec): min=154, max=565, avg=313.78, stdev=173.62 lat (msec): min=154, max=565, avg=313.78, stdev=173.62 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 155], | 30.00th=[ 182], 40.00th=[ 182], 50.00th=[ 251], 60.00th=[ 251], | 70.00th=[ 418], 80.00th=[ 418], 90.00th=[ 567], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 1969, max= 4079, per=69.54%, avg=2687.67, stdev=1205.15, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1611KiB/s (1649kB/s)(7168KiB/4450msec); 0 zone resets clat (msec): min=246, max=676, avg=403.53, stdev=148.32 lat (msec): min=247, max=676, avg=403.72, stdev=148.50 clat percentiles (msec): | 1.00th=[ 247], 5.00th=[ 247], 10.00th=[ 247], 20.00th=[ 279], | 30.00th=[ 296], 40.00th=[ 296], 50.00th=[ 426], 60.00th=[ 426], | 70.00th=[ 426], 80.00th=[ 477], 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= 1799, max= 4047, per=51.26%, avg=2773.80, stdev=1161.41, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 1.10, samples=5 lat (msec) : 250=25.00%, 500=58.33%, 750=16.67% cpu : usr=0.00%, sys=3.35%, ctx=74, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3866KiB/s (3958kB/s), 387KiB/s-2233KiB/s (396kB/s-2287kB/s), io=20.0MiB (20.0MB), run=3210-5298msec WRITE: bw=5412KiB/s (5542kB/s), 1170KiB/s-1933KiB/s (1198kB/s-1979kB/s), io=28.0MiB (29.4MB), run=3210-5298msec 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=148446: Tue Sep 8 09:22:21 2026 read: IOPS=1, BW=4528KiB/s (4636kB/s)(12.0MiB/2714msec) clat (msec): min=680, max=955, avg=861.49, stdev=157.20 lat (msec): min=680, max=955, avg=861.50, stdev=157.20 clat percentiles (msec): | 1.00th=[ 684], 5.00th=[ 684], 10.00th=[ 684], 20.00th=[ 684], | 30.00th=[ 684], 40.00th=[ 953], 50.00th=[ 953], 60.00th=[ 953], | 70.00th=[ 953], 80.00th=[ 953], 90.00th=[ 953], 95.00th=[ 953], | 99.00th=[ 953], 99.50th=[ 953], 99.90th=[ 953], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 7953, max= 8000, per=100.00%, avg=7976.50, stdev=33.23, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=14.41%, ctx=249, majf=0, minf=7 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=148447: Tue Sep 8 09:22:21 2026 read: IOPS=0, BW=1433KiB/s (1467kB/s)(4096KiB/2859msec) clat (nsec): min=855334k, max=855334k, avg=855334036.00, stdev= 0.00 lat (nsec): min=855337k, max=855337k, avg=855336793.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 852], 5.00th=[ 852], 10.00th=[ 852], 20.00th=[ 852], | 30.00th=[ 852], 40.00th=[ 852], 50.00th=[ 852], 60.00th=[ 852], | 70.00th=[ 852], 80.00th=[ 852], 90.00th=[ 852], 95.00th=[ 852], | 99.00th=[ 852], 99.50th=[ 852], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2865KiB/s (2934kB/s)(8192KiB/2859msec); 0 zone resets clat (msec): min=904, max=1035, avg=970.18, stdev=92.75 lat (msec): min=905, max=1035, avg=970.52, stdev=92.60 clat percentiles (msec): | 1.00th=[ 902], 5.00th=[ 902], 10.00th=[ 902], 20.00th=[ 902], | 30.00th=[ 902], 40.00th=[ 902], 50.00th=[ 902], 60.00th=[ 1036], | 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= 8062, max= 8062, per=79.03%, avg=8062.00, 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=3.88%, ctx=129, 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=148448: Tue Sep 8 09:22:21 2026 write: IOPS=0, BW=3826KiB/s (3917kB/s)(12.0MiB/3212msec); 0 zone resets clat (msec): min=607, max=1576, avg=1015.62, stdev=502.22 lat (msec): min=607, max=1577, avg=1017.20, stdev=502.41 clat percentiles (msec): | 1.00th=[ 609], 5.00th=[ 609], 10.00th=[ 609], 20.00th=[ 609], | 30.00th=[ 609], 40.00th=[ 860], 50.00th=[ 860], 60.00th=[ 860], | 70.00th=[ 1569], 80.00th=[ 1569], 90.00th=[ 1569], 95.00th=[ 1569], | 99.00th=[ 1569], 99.50th=[ 1569], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7953, max= 8192, per=79.13%, avg=8072.50, stdev=169.00, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=33.33%, 2000=33.33% cpu : usr=0.00%, sys=3.99%, ctx=49, 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=148449: Tue Sep 8 09:22:21 2026 write: IOPS=1, BW=4701KiB/s (4814kB/s)(12.0MiB/2614msec); 0 zone resets clat (msec): min=435, max=1108, avg=814.02, stdev=344.41 lat (msec): min=435, max=1109, avg=814.40, stdev=344.38 clat percentiles (msec): | 1.00th=[ 435], 5.00th=[ 435], 10.00th=[ 435], 20.00th=[ 435], | 30.00th=[ 435], 40.00th=[ 902], 50.00th=[ 902], 60.00th=[ 902], | 70.00th=[ 1116], 80.00th=[ 1116], 90.00th=[ 1116], 95.00th=[ 1116], | 99.00th=[ 1116], 99.50th=[ 1116], 99.90th=[ 1116], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 8078, max= 8143, per=79.51%, avg=8110.50, stdev=45.96, 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=0.00%, sys=7.31%, ctx=79, 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=5731KiB/s (5868kB/s), 1433KiB/s-4528KiB/s (1467kB/s-4636kB/s), io=16.0MiB (16.8MB), run=2714-2859msec WRITE: bw=9.96MiB/s (10.4MB/s), 2865KiB/s-4701KiB/s (2934kB/s-4814kB/s), io=32.0MiB (33.6MB), run=2614-3212msec rand-rw: (groupid=0, jobs=1): err= 0: pid=148441: Tue Sep 8 09:22:21 2026 read: IOPS=0, BW=3780KiB/s (3870kB/s)(12.0MiB/3251msec) clat (msec): min=548, max=1349, avg=989.69, stdev=406.51 lat (msec): min=548, max=1349, avg=989.70, stdev=406.51 clat percentiles (msec): | 1.00th=[ 550], 5.00th=[ 550], 10.00th=[ 550], 20.00th=[ 550], | 30.00th=[ 550], 40.00th=[ 1070], 50.00th=[ 1070], 60.00th=[ 1070], | 70.00th=[ 1351], 80.00th=[ 1351], 90.00th=[ 1351], 95.00th=[ 1351], | 99.00th=[ 1351], 99.50th=[ 1351], 99.90th=[ 1351], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 8031, max= 8175, per=100.00%, avg=8103.00, stdev=101.82, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.06%, sys=3.23%, ctx=54, 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=148443: Tue Sep 8 09:22:21 2026 read: IOPS=0, BW=1212KiB/s (1241kB/s)(4096KiB/3379msec) clat (nsec): min=1305.5M, max=1305.5M, avg=1305548456.00, stdev= 0.00 lat (nsec): min=1305.6M, max=1305.6M, avg=1305551772.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1301], 5.00th=[ 1301], 10.00th=[ 1301], 20.00th=[ 1301], | 30.00th=[ 1301], 40.00th=[ 1301], 50.00th=[ 1301], 60.00th=[ 1301], | 70.00th=[ 1301], 80.00th=[ 1301], 90.00th=[ 1301], 95.00th=[ 1301], | 99.00th=[ 1301], 99.50th=[ 1301], 99.90th=[ 1301], 99.95th=[ 1301], | 99.99th=[ 1301] bw ( KiB/s): min= 8031, max= 8031, per=100.00%, avg=8031.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2424KiB/s (2483kB/s)(8192KiB/3379msec); 0 zone resets clat (msec): min=476, max=1480, avg=978.42, stdev=709.86 lat (msec): min=476, max=1480, avg=978.79, stdev=709.89 clat percentiles (msec): | 1.00th=[ 477], 5.00th=[ 477], 10.00th=[ 477], 20.00th=[ 477], | 30.00th=[ 477], 40.00th=[ 477], 50.00th=[ 477], 60.00th=[ 1485], | 70.00th=[ 1485], 80.00th=[ 1485], 90.00th=[ 1485], 95.00th=[ 1485], | 99.00th=[ 1485], 99.50th=[ 1485], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 8047, max= 8047, per=82.98%, avg=8047.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=3.91%, 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=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=148444: Tue Sep 8 09:22:21 2026 write: IOPS=1, BW=6484KiB/s (6640kB/s)(12.0MiB/1895msec); 0 zone resets clat (msec): min=325, max=1084, avg=579.76, stdev=437.33 lat (msec): min=326, max=1085, avg=580.83, stdev=436.80 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 330], 50.00th=[ 330], 60.00th=[ 330], | 70.00th=[ 1083], 80.00th=[ 1083], 90.00th=[ 1083], 95.00th=[ 1083], | 99.00th=[ 1083], 99.50th=[ 1083], 99.90th=[ 1083], 99.95th=[ 1083], | 99.99th=[ 1083] bw ( KiB/s): min= 7433, max= 8159, per=80.40%, avg=7796.00, stdev=513.36, 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=0.05%, sys=6.86%, ctx=51, 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=148445: Tue Sep 8 09:22:21 2026 write: IOPS=1, BW=5315KiB/s (5442kB/s)(12.0MiB/2312msec); 0 zone resets clat (msec): min=348, max=1060, avg=744.18, stdev=362.43 lat (msec): min=349, max=1060, avg=745.29, stdev=362.61 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 827], 50.00th=[ 827], 60.00th=[ 827], | 70.00th=[ 1062], 80.00th=[ 1062], 90.00th=[ 1062], 95.00th=[ 1062], | 99.00th=[ 1062], 99.50th=[ 1062], 99.90th=[ 1062], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 6942, max= 8031, per=77.20%, avg=7486.50, stdev=770.04, 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=4.76%, ctx=43, 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=4849KiB/s (4965kB/s), 1212KiB/s-3780KiB/s (1241kB/s-3870kB/s), io=16.0MiB (16.8MB), run=3251-3379msec WRITE: bw=9698KiB/s (9930kB/s), 2424KiB/s-6484KiB/s (2483kB/s-6640kB/s), io=32.0MiB (33.6MB), run=1895-3379msec