== sanity test 398b: DIO and buffer IO race ============== 02:20:08 (1781245208) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 4.75434 s, 10.6 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=179543: Fri Jun 12 02:22:57 2026 read: IOPS=10, BW=40.6KiB/s (41.5kB/s)(5992KiB/147721msec) clat (usec): min=32, max=396199, avg=54207.63, stdev=38021.00 lat (usec): min=32, max=396201, avg=54213.89, stdev=38020.73 clat percentiles (usec): | 1.00th=[ 54], 5.00th=[ 12518], 10.00th=[ 18482], 20.00th=[ 25822], | 30.00th=[ 32900], 40.00th=[ 39060], 50.00th=[ 46924], 60.00th=[ 54264], | 70.00th=[ 63701], 80.00th=[ 76022], 90.00th=[ 98042], 95.00th=[127402], | 99.00th=[185598], 99.50th=[200279], 99.90th=[379585], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 7, max= 96, per=24.92%, avg=40.36, stdev=18.06, samples=289 iops : min= 1, max= 24, avg= 9.44, stdev= 4.57, samples=289 write: IOPS=10, BW=42.6KiB/s (43.6kB/s)(6296KiB/147721msec); 0 zone resets clat (usec): min=886, max=592466, avg=42115.72, stdev=46192.24 lat (usec): min=887, max=592467, avg=42117.96, stdev=46191.98 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1385], 10.00th=[ 2057], 20.00th=[ 4752], | 30.00th=[ 9241], 40.00th=[ 19530], 50.00th=[ 29230], 60.00th=[ 39584], | 70.00th=[ 52167], 80.00th=[ 71828], 90.00th=[105382], 95.00th=[130548], | 99.00th=[193987], 99.50th=[206570], 99.90th=[354419], 99.95th=[591397], | 99.99th=[591397] bw ( KiB/s): min= 7, max= 152, per=25.09%, avg=42.66, stdev=20.14, samples=287 iops : min= 1, max= 38, avg=10.03, stdev= 5.10, samples=287 lat (usec) : 50=0.16%, 100=1.40%, 250=0.13%, 500=0.03%, 1000=0.16% lat (msec) : 2=4.85%, 4=4.23%, 10=6.80%, 20=8.37%, 50=36.04% lat (msec) : 100=27.54%, 250=9.99%, 500=0.26%, 750=0.03% cpu : usr=0.07%, sys=4.41%, ctx=6553, majf=0, minf=18 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=179544: Fri Jun 12 02:22:57 2026 read: IOPS=10, BW=40.0KiB/s (41.9kB/s)(5940KiB/145050msec) clat (usec): min=33, max=411776, avg=54316.18, stdev=39746.72 lat (usec): min=33, max=411778, avg=54318.67, stdev=39746.67 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 13173], 10.00th=[ 19792], 20.00th=[ 27132], | 30.00th=[ 33162], 40.00th=[ 39060], 50.00th=[ 46400], 60.00th=[ 53740], | 70.00th=[ 63701], 80.00th=[ 73925], 90.00th=[ 96994], 95.00th=[117965], | 99.00th=[214959], 99.50th=[265290], 99.90th=[392168], 99.95th=[413139], | 99.99th=[413139] bw ( KiB/s): min= 7, max= 88, per=24.98%, avg=40.47, stdev=18.13, samples=285 iops : min= 1, max= 22, avg= 9.47, stdev= 4.58, samples=285 write: IOPS=10, BW=43.8KiB/s (44.8kB/s)(6348KiB/145050msec); 0 zone resets clat (usec): min=1038, max=390658, avg=40431.36, stdev=43881.79 lat (usec): min=1040, max=390659, avg=40434.22, stdev=43880.99 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1369], 10.00th=[ 1647], 20.00th=[ 4621], | 30.00th=[ 9634], 40.00th=[ 18220], 50.00th=[ 28967], 60.00th=[ 38011], | 70.00th=[ 50070], 80.00th=[ 65799], 90.00th=[ 95945], 95.00th=[128451], | 99.00th=[189793], 99.50th=[238027], 99.90th=[316670], 99.95th=[392168], | 99.99th=[392168] bw ( KiB/s): min= 7, max= 166, per=25.46%, avg=43.27, stdev=21.17, samples=284 iops : min= 1, max= 41, avg=10.18, stdev= 5.33, samples=284 lat (usec) : 50=0.26%, 100=1.43%, 250=0.07%, 500=0.03% lat (msec) : 2=6.05%, 4=3.68%, 10=6.28%, 20=8.56%, 50=36.33% lat (msec) : 100=28.26%, 250=8.53%, 500=0.52% cpu : usr=0.07%, sys=4.43%, ctx=6454, majf=0, minf=18 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=179545: Fri Jun 12 02:22:57 2026 read: IOPS=10, BW=41.3KiB/s (42.3kB/s)(6028KiB/145931msec) clat (usec): min=33, max=477878, avg=52853.76, stdev=37914.65 lat (usec): min=33, max=477880, avg=52863.89, stdev=37911.96 clat percentiles (usec): | 1.00th=[ 53], 5.00th=[ 12387], 10.00th=[ 18744], 20.00th=[ 25297], | 30.00th=[ 31327], 40.00th=[ 38011], 50.00th=[ 45351], 60.00th=[ 53740], | 70.00th=[ 62129], 80.00th=[ 74974], 90.00th=[ 98042], 95.00th=[119014], | 99.00th=[164627], 99.50th=[204473], 99.90th=[396362], 99.95th=[476054], | 99.99th=[476054] bw ( KiB/s): min= 7, max= 103, per=25.32%, avg=41.01, stdev=18.02, samples=285 iops : min= 1, max= 25, avg= 9.60, stdev= 4.56, samples=285 write: IOPS=10, BW=42.9KiB/s (43.9kB/s)(6260KiB/145931msec); 0 zone resets clat (usec): min=774, max=457525, avg=42209.55, stdev=46716.59 lat (usec): min=775, max=457527, avg=42214.31, stdev=46716.67 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1401], 10.00th=[ 1909], 20.00th=[ 4621], | 30.00th=[ 8717], 40.00th=[ 19792], 50.00th=[ 28443], 60.00th=[ 38011], | 70.00th=[ 53216], 80.00th=[ 71828], 90.00th=[104334], 95.00th=[131597], | 99.00th=[193987], 99.50th=[235930], 99.90th=[413139], 99.95th=[459277], | 99.99th=[459277] bw ( KiB/s): min= 7, max= 110, per=24.90%, avg=42.34, stdev=19.34, samples=286 iops : min= 1, max= 27, avg= 9.95, stdev= 4.87, samples=286 lat (usec) : 50=0.26%, 100=1.73%, 250=0.03%, 500=0.07%, 1000=0.20% lat (msec) : 2=5.24%, 4=4.00%, 10=6.93%, 20=7.81%, 50=36.23% lat (msec) : 100=27.21%, 250=9.93%, 500=0.36% cpu : usr=0.06%, sys=4.48%, ctx=6527, 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=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=179546: Fri Jun 12 02:22:57 2026 read: IOPS=10, BW=41.1KiB/s (42.1kB/s)(6052KiB/147287msec) clat (usec): min=34, max=366804, avg=55012.11, stdev=39462.98 lat (usec): min=34, max=366805, avg=55016.38, stdev=39463.18 clat percentiles (usec): | 1.00th=[ 55], 5.00th=[ 13435], 10.00th=[ 20055], 20.00th=[ 26870], | 30.00th=[ 32375], 40.00th=[ 38536], 50.00th=[ 46400], 60.00th=[ 54264], | 70.00th=[ 64750], 80.00th=[ 77071], 90.00th=[ 99091], 95.00th=[120062], | 99.00th=[204473], 99.50th=[231736], 99.90th=[354419], 99.95th=[367002], | 99.99th=[367002] bw ( KiB/s): min= 7, max= 110, per=25.35%, avg=41.07, stdev=17.73, samples=287 iops : min= 1, max= 27, avg= 9.62, stdev= 4.46, samples=287 write: IOPS=10, BW=42.3KiB/s (43.4kB/s)(6236KiB/147287msec); 0 zone resets clat (usec): min=1014, max=422692, avg=40959.14, stdev=44615.55 lat (usec): min=1015, max=422694, avg=40963.08, stdev=44618.17 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1401], 10.00th=[ 1795], 20.00th=[ 4686], | 30.00th=[ 8586], 40.00th=[ 16581], 50.00th=[ 27132], 60.00th=[ 38011], | 70.00th=[ 52691], 80.00th=[ 71828], 90.00th=[101188], 95.00th=[126354], | 99.00th=[187696], 99.50th=[217056], 99.90th=[417334], 99.95th=[421528], | 99.99th=[421528] bw ( KiB/s): min= 7, max= 110, per=24.78%, avg=42.13, stdev=20.41, samples=288 iops : min= 1, max= 27, avg= 9.90, stdev= 5.13, samples=288 lat (usec) : 50=0.20%, 100=1.46%, 250=0.16%, 500=0.03% lat (msec) : 2=5.63%, 4=3.29%, 10=7.58%, 20=8.82%, 50=33.95% lat (msec) : 100=28.91%, 250=9.64%, 500=0.33% cpu : usr=0.08%, sys=4.41%, ctx=6518, majf=0, minf=18 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=163KiB/s (166kB/s), 40.6KiB/s-41.3KiB/s (41.5kB/s-42.3kB/s), io=23.4MiB (24.6MB), run=145050-147721msec WRITE: bw=170KiB/s (174kB/s), 42.3KiB/s-43.8KiB/s (43.4kB/s-44.8kB/s), io=24.6MiB (25.7MB), run=145050-147721msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179538: Fri Jun 12 02:23:42 2026 read: IOPS=7, BW=31.0KiB/s (31.8kB/s)(5992KiB/193054msec) clat (msec): min=5, max=801, avg=49.69, stdev=51.32 lat (msec): min=5, max=801, avg=49.70, stdev=51.32 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 19], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 34], 60.00th=[ 42], | 70.00th=[ 52], 80.00th=[ 67], 90.00th=[ 106], 95.00th=[ 150], | 99.00th=[ 249], 99.50th=[ 279], 99.90th=[ 460], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 5, max= 127, per=26.29%, avg=32.34, stdev=22.58, samples=358 iops : min= 1, max= 31, avg= 7.41, stdev= 5.68, samples=358 write: IOPS=8, BW=32.6KiB/s (33.4kB/s)(6296KiB/193054msec); 0 zone resets clat (msec): min=12, max=619, avg=75.01, stdev=56.35 lat (msec): min=12, max=619, avg=75.02, stdev=56.35 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 24], 10.00th=[ 28], 20.00th=[ 34], | 30.00th=[ 40], 40.00th=[ 48], 50.00th=[ 57], 60.00th=[ 69], | 70.00th=[ 86], 80.00th=[ 109], 90.00th=[ 148], 95.00th=[ 182], | 99.00th=[ 279], 99.50th=[ 326], 99.90th=[ 422], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 5, max= 119, per=25.36%, avg=32.72, stdev=20.95, samples=372 iops : min= 1, max= 29, avg= 7.49, stdev= 5.28, samples=372 lat (msec) : 10=1.20%, 20=11.39%, 50=43.10%, 100=27.31%, 250=15.59% lat (msec) : 500=1.33%, 750=0.03%, 1000=0.03% cpu : usr=0.05%, sys=1.74%, ctx=5014, 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=179539: Fri Jun 12 02:23:42 2026 read: IOPS=7, BW=30.6KiB/s (31.3kB/s)(5940KiB/194038msec) clat (msec): min=6, max=707, avg=50.79, stdev=51.05 lat (msec): min=6, max=707, avg=50.80, stdev=51.05 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 19], | 30.00th=[ 23], 40.00th=[ 27], 50.00th=[ 34], 60.00th=[ 41], | 70.00th=[ 53], 80.00th=[ 73], 90.00th=[ 113], 95.00th=[ 146], | 99.00th=[ 247], 99.50th=[ 288], 99.90th=[ 447], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 7, max= 119, per=26.10%, avg=32.10, stdev=22.69, samples=358 iops : min= 1, max= 29, avg= 7.34, stdev= 5.71, samples=358 write: IOPS=8, BW=32.7KiB/s (33.5kB/s)(6348KiB/194038msec); 0 zone resets clat (msec): min=14, max=647, avg=74.39, stdev=58.46 lat (msec): min=14, max=647, avg=74.41, stdev=58.49 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 23], 10.00th=[ 27], 20.00th=[ 33], | 30.00th=[ 40], 40.00th=[ 46], 50.00th=[ 53], 60.00th=[ 66], | 70.00th=[ 84], 80.00th=[ 112], 90.00th=[ 148], 95.00th=[ 186], | 99.00th=[ 271], 99.50th=[ 351], 99.90th=[ 510], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 7, max= 111, per=25.19%, avg=32.50, stdev=21.65, samples=377 iops : min= 1, max= 27, avg= 7.43, stdev= 5.45, samples=377 lat (msec) : 10=1.79%, 20=10.32%, 50=44.95%, 100=24.51%, 250=17.35% lat (msec) : 500=0.98%, 750=0.10% cpu : usr=0.05%, sys=1.82%, ctx=5056, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179540: Fri Jun 12 02:23:42 2026 read: IOPS=7, BW=31.3KiB/s (32.0kB/s)(6028KiB/192856msec) clat (msec): min=6, max=622, avg=50.87, stdev=51.84 lat (msec): min=6, max=622, avg=50.87, stdev=51.84 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 23], 40.00th=[ 28], 50.00th=[ 34], 60.00th=[ 41], | 70.00th=[ 52], 80.00th=[ 72], 90.00th=[ 114], 95.00th=[ 153], | 99.00th=[ 262], 99.50th=[ 305], 99.90th=[ 460], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 7, max= 132, per=26.05%, avg=32.05, stdev=21.93, samples=364 iops : min= 1, max= 33, avg= 7.32, stdev= 5.53, samples=364 write: IOPS=8, BW=32.5KiB/s (33.2kB/s)(6260KiB/192856msec); 0 zone resets clat (msec): min=10, max=700, avg=73.89, stdev=55.17 lat (msec): min=10, max=700, avg=73.89, stdev=55.17 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 24], 10.00th=[ 28], 20.00th=[ 35], | 30.00th=[ 41], 40.00th=[ 48], 50.00th=[ 56], 60.00th=[ 69], | 70.00th=[ 86], 80.00th=[ 107], 90.00th=[ 140], 95.00th=[ 174], | 99.00th=[ 268], 99.50th=[ 313], 99.90th=[ 518], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 5, max= 103, per=25.47%, avg=32.85, stdev=20.82, samples=369 iops : min= 1, max= 25, avg= 7.53, stdev= 5.24, samples=369 lat (msec) : 10=1.56%, 20=11.36%, 50=43.16%, 100=25.75%, 250=16.80% lat (msec) : 500=1.27%, 750=0.10% cpu : usr=0.05%, sys=1.72%, ctx=4932, 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=179541: Fri Jun 12 02:23:42 2026 read: IOPS=7, BW=31.4KiB/s (32.1kB/s)(6052KiB/192937msec) clat (msec): min=5, max=512, avg=50.32, stdev=49.12 lat (msec): min=5, max=512, avg=50.32, stdev=49.12 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 29], 50.00th=[ 34], 60.00th=[ 41], | 70.00th=[ 52], 80.00th=[ 72], 90.00th=[ 114], 95.00th=[ 150], | 99.00th=[ 239], 99.50th=[ 271], 99.90th=[ 338], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 5, max= 119, per=26.62%, avg=32.74, stdev=23.54, samples=358 iops : min= 1, max= 29, avg= 7.50, stdev= 5.92, samples=358 write: IOPS=8, BW=32.3KiB/s (33.1kB/s)(6236KiB/192937msec); 0 zone resets clat (msec): min=13, max=712, avg=74.59, stdev=58.66 lat (msec): min=13, max=712, avg=74.60, stdev=58.67 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 23], 10.00th=[ 27], 20.00th=[ 33], | 30.00th=[ 40], 40.00th=[ 46], 50.00th=[ 55], 60.00th=[ 67], | 70.00th=[ 85], 80.00th=[ 111], 90.00th=[ 148], 95.00th=[ 186], | 99.00th=[ 296], 99.50th=[ 342], 99.90th=[ 426], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 5, max= 127, per=25.49%, avg=32.88, stdev=21.69, samples=367 iops : min= 1, max= 31, avg= 7.53, stdev= 5.46, samples=367 lat (msec) : 10=1.66%, 20=12.21%, 50=43.42%, 100=24.71%, 250=16.83% lat (msec) : 500=1.11%, 750=0.07% cpu : usr=0.05%, sys=1.73%, ctx=4891, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=124KiB/s (127kB/s), 30.6KiB/s-31.4KiB/s (31.3kB/s-32.1kB/s), io=23.4MiB (24.6MB), run=192856-194038msec WRITE: bw=130KiB/s (133kB/s), 32.3KiB/s-32.7KiB/s (33.1kB/s-33.5kB/s), io=24.6MiB (25.7MB), run=192856-194038msec 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=179595: Fri Jun 12 02:24:20 2026 read: IOPS=12, BW=203KiB/s (207kB/s)(5920KiB/29233msec) clat (usec): min=37, max=259811, avg=41345.80, stdev=31745.81 lat (usec): min=38, max=259812, avg=41346.99, stdev=31745.79 clat percentiles (usec): | 1.00th=[ 51], 5.00th=[ 60], 10.00th=[ 766], 20.00th=[ 21365], | 30.00th=[ 25560], 40.00th=[ 30278], 50.00th=[ 35390], 60.00th=[ 42206], | 70.00th=[ 49546], 80.00th=[ 57410], 90.00th=[ 73925], 95.00th=[ 88605], | 99.00th=[179307], 99.50th=[210764], 99.90th=[258999], 99.95th=[258999], | 99.99th=[258999] bw ( KiB/s): min= 31, max= 411, per=24.28%, avg=198.84, stdev=76.06, samples=57 iops : min= 1, max= 25, avg=11.68, stdev= 4.83, samples=57 write: IOPS=13, BW=218KiB/s (223kB/s)(6368KiB/29233msec); 0 zone resets clat (usec): min=1574, max=193490, avg=34524.16, stdev=33992.60 lat (usec): min=1576, max=193492, avg=34535.19, stdev=33984.78 clat percentiles (usec): | 1.00th=[ 1729], 5.00th=[ 2024], 10.00th=[ 2704], 20.00th=[ 4883], | 30.00th=[ 8848], 40.00th=[ 15926], 50.00th=[ 24511], 60.00th=[ 31327], | 70.00th=[ 44827], 80.00th=[ 61080], 90.00th=[ 84411], 95.00th=[104334], | 99.00th=[147850], 99.50th=[164627], 99.90th=[193987], 99.95th=[193987], | 99.99th=[193987] bw ( KiB/s): min= 28, max= 480, per=25.19%, avg=217.14, stdev=88.11, samples=57 iops : min= 1, max= 30, avg=12.82, stdev= 5.55, samples=57 lat (usec) : 50=0.39%, 100=3.78%, 250=0.52%, 1000=0.13% lat (msec) : 2=2.34%, 4=5.86%, 10=8.33%, 20=9.90%, 50=40.23% lat (msec) : 100=23.57%, 250=4.82%, 500=0.13% cpu : usr=0.07%, sys=6.44%, ctx=1799, 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=179596: Fri Jun 12 02:24:20 2026 read: IOPS=12, BW=199KiB/s (204kB/s)(5744KiB/28828msec) clat (usec): min=40, max=186773, avg=42598.37, stdev=28189.33 lat (usec): min=40, max=186774, avg=42599.43, stdev=28189.36 clat percentiles (usec): | 1.00th=[ 56], 5.00th=[ 66], 10.00th=[ 13829], 20.00th=[ 23200], | 30.00th=[ 27395], 40.00th=[ 33817], 50.00th=[ 40109], 60.00th=[ 45876], | 70.00th=[ 50070], 80.00th=[ 58459], 90.00th=[ 74974], 95.00th=[ 95945], | 99.00th=[145753], 99.50th=[164627], 99.90th=[187696], 99.95th=[187696], | 99.99th=[187696] bw ( KiB/s): min= 56, max= 349, per=24.56%, avg=201.11, stdev=71.21, samples=55 iops : min= 3, max= 21, avg=11.82, stdev= 4.47, samples=55 write: IOPS=14, BW=227KiB/s (232kB/s)(6544KiB/28828msec); 0 zone resets clat (usec): min=1773, max=167607, avg=32383.52, stdev=29253.25 lat (usec): min=1774, max=167610, avg=32385.56, stdev=29253.15 clat percentiles (usec): | 1.00th=[ 1893], 5.00th=[ 2409], 10.00th=[ 3294], 20.00th=[ 5997], | 30.00th=[ 11600], 40.00th=[ 16712], 50.00th=[ 24773], 60.00th=[ 32637], | 70.00th=[ 42206], 80.00th=[ 54789], 90.00th=[ 74974], 95.00th=[ 89654], | 99.00th=[117965], 99.50th=[124257], 99.90th=[166724], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 93, max= 403, per=25.70%, avg=221.54, stdev=81.29, samples=56 iops : min= 5, max= 25, avg=13.11, stdev= 5.15, samples=56 lat (usec) : 50=0.26%, 100=3.12%, 250=0.52%, 1000=0.13% lat (msec) : 2=1.30%, 4=5.34%, 10=8.72%, 20=11.98%, 50=42.06% lat (msec) : 100=22.79%, 250=3.78% cpu : usr=0.08%, sys=6.51%, ctx=1802, 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=179597: Fri Jun 12 02:24:20 2026 read: IOPS=13, BW=221KiB/s (226kB/s)(6256KiB/28295msec) clat (usec): min=34, max=223228, avg=38916.19, stdev=27423.02 lat (usec): min=35, max=223230, avg=38918.20, stdev=27422.10 clat percentiles (usec): | 1.00th=[ 45], 5.00th=[ 61], 10.00th=[ 8979], 20.00th=[ 20317], | 30.00th=[ 26346], 40.00th=[ 30278], 50.00th=[ 34866], 60.00th=[ 39584], | 70.00th=[ 46400], 80.00th=[ 54789], 90.00th=[ 69731], 95.00th=[ 86508], | 99.00th=[143655], 99.50th=[168821], 99.90th=[223347], 99.95th=[223347], | 99.99th=[223347] bw ( KiB/s): min= 62, max= 435, per=26.86%, avg=219.95, stdev=80.75, samples=55 iops : min= 3, max= 27, avg=13.02, stdev= 5.08, samples=55 write: IOPS=13, BW=213KiB/s (218kB/s)(6032KiB/28295msec); 0 zone resets clat (usec): min=1516, max=150978, avg=34406.92, stdev=32399.38 lat (usec): min=1518, max=150979, avg=34409.50, stdev=32398.97 clat percentiles (usec): | 1.00th=[ 1745], 5.00th=[ 1991], 10.00th=[ 2868], 20.00th=[ 5014], | 30.00th=[ 9634], 40.00th=[ 17433], 50.00th=[ 24773], 60.00th=[ 33424], | 70.00th=[ 44827], 80.00th=[ 58983], 90.00th=[ 80217], 95.00th=[104334], | 99.00th=[133694], 99.50th=[149947], 99.90th=[149947], 99.95th=[149947], | 99.99th=[149947] bw ( KiB/s): min= 63, max= 477, per=24.31%, avg=209.55, stdev=93.01, samples=55 iops : min= 3, max= 29, avg=12.36, stdev= 5.85, samples=55 lat (usec) : 50=1.04%, 100=3.52%, 250=0.26%, 500=0.13% lat (msec) : 2=2.60%, 4=5.08%, 10=7.68%, 20=10.81%, 50=42.97% lat (msec) : 100=21.35%, 250=4.56% cpu : usr=0.06%, sys=6.04%, ctx=1750, 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=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=179598: Fri Jun 12 02:24:20 2026 read: IOPS=13, BW=215KiB/s (220kB/s)(6032KiB/28080msec) clat (usec): min=41, max=181570, avg=40230.35, stdev=27370.25 lat (usec): min=42, max=181571, avg=40231.41, stdev=27370.26 clat percentiles (usec): | 1.00th=[ 52], 5.00th=[ 59], 10.00th=[ 84], 20.00th=[ 20317], | 30.00th=[ 25560], 40.00th=[ 32900], 50.00th=[ 39584], 60.00th=[ 43254], | 70.00th=[ 49021], 80.00th=[ 58983], 90.00th=[ 77071], 95.00th=[ 88605], | 99.00th=[119014], 99.50th=[156238], 99.90th=[181404], 99.95th=[181404], | 99.99th=[181404] bw ( KiB/s): min= 63, max= 381, per=26.46%, avg=216.69, stdev=70.09, samples=54 iops : min= 3, max= 23, avg=12.80, stdev= 4.42, samples=54 write: IOPS=13, BW=223KiB/s (228kB/s)(6256KiB/28080msec); 0 zone resets clat (usec): min=1350, max=147738, avg=32295.62, stdev=32359.86 lat (usec): min=1352, max=147740, avg=32300.54, stdev=32357.65 clat percentiles (usec): | 1.00th=[ 1647], 5.00th=[ 1958], 10.00th=[ 2966], 20.00th=[ 5407], | 30.00th=[ 8848], 40.00th=[ 13960], 50.00th=[ 21103], 60.00th=[ 31327], | 70.00th=[ 41157], 80.00th=[ 54264], 90.00th=[ 78119], 95.00th=[105382], | 99.00th=[137364], 99.50th=[139461], 99.90th=[147850], 99.95th=[147850], | 99.99th=[147850] bw ( KiB/s): min= 85, max= 446, per=25.79%, avg=222.27, stdev=80.38, samples=55 iops : min= 5, max= 27, avg=13.16, stdev= 5.07, samples=55 lat (usec) : 50=0.39%, 100=5.08%, 250=0.65%, 500=0.13%, 1000=0.13% lat (msec) : 2=2.86%, 4=5.60%, 10=8.85%, 20=11.20%, 50=38.93% lat (msec) : 100=22.27%, 250=3.91% cpu : usr=0.06%, sys=6.30%, ctx=1706, 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=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=819KiB/s (839kB/s), 199KiB/s-221KiB/s (204kB/s-226kB/s), io=23.4MiB (24.5MB), run=28080-29233msec WRITE: bw=862KiB/s (883kB/s), 213KiB/s-227KiB/s (218kB/s-232kB/s), io=24.6MiB (25.8MB), run=28080-29233msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179590: Fri Jun 12 02:24:32 2026 read: IOPS=9, BW=145KiB/s (149kB/s)(5920KiB/40772msec) clat (msec): min=7, max=235, avg=43.27, stdev=33.33 lat (msec): min=7, max=235, avg=43.27, stdev=33.33 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 22], | 30.00th=[ 26], 40.00th=[ 30], 50.00th=[ 33], 60.00th=[ 39], | 70.00th=[ 45], 80.00th=[ 55], 90.00th=[ 86], 95.00th=[ 110], | 99.00th=[ 190], 99.50th=[ 209], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 31, max= 544, per=24.86%, avg=143.67, stdev=87.62, samples=80 iops : min= 1, max= 34, avg= 8.19, stdev= 5.53, samples=80 write: IOPS=9, BW=156KiB/s (160kB/s)(6368KiB/40772msec); 0 zone resets clat (msec): min=12, max=239, avg=61.68, stdev=38.79 lat (msec): min=12, max=239, avg=61.69, stdev=38.79 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 21], 10.00th=[ 25], 20.00th=[ 32], | 30.00th=[ 39], 40.00th=[ 44], 50.00th=[ 50], 60.00th=[ 59], | 70.00th=[ 69], 80.00th=[ 86], 90.00th=[ 116], 95.00th=[ 150], | 99.00th=[ 190], 99.50th=[ 215], 99.90th=[ 241], 99.95th=[ 241], | 99.99th=[ 241] bw ( KiB/s): min= 29, max= 447, per=25.55%, avg=155.32, stdev=78.35, samples=80 iops : min= 1, max= 27, avg= 8.91, stdev= 4.94, samples=80 lat (msec) : 10=0.91%, 20=8.46%, 50=53.26%, 100=26.95%, 250=10.42% cpu : usr=0.07%, sys=2.58%, ctx=1348, 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=179591: Fri Jun 12 02:24:32 2026 read: IOPS=8, BW=139KiB/s (142kB/s)(5744KiB/41381msec) clat (msec): min=7, max=210, avg=44.19, stdev=36.64 lat (msec): min=7, max=210, avg=44.19, stdev=36.64 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 13], 10.00th=[ 16], 20.00th=[ 20], | 30.00th=[ 24], 40.00th=[ 28], 50.00th=[ 33], 60.00th=[ 39], | 70.00th=[ 45], 80.00th=[ 59], 90.00th=[ 90], 95.00th=[ 132], | 99.00th=[ 192], 99.50th=[ 199], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 31, max= 448, per=24.61%, avg=142.24, stdev=90.90, samples=80 iops : min= 1, max= 28, avg= 8.11, stdev= 5.76, samples=80 write: IOPS=9, BW=158KiB/s (162kB/s)(6544KiB/41381msec); 0 zone resets clat (msec): min=11, max=244, avg=62.21, stdev=41.87 lat (msec): min=11, max=244, avg=62.22, stdev=41.87 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 21], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 37], 40.00th=[ 42], 50.00th=[ 48], 60.00th=[ 58], | 70.00th=[ 69], 80.00th=[ 90], 90.00th=[ 120], 95.00th=[ 155], | 99.00th=[ 213], 99.50th=[ 239], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 31, max= 448, per=25.85%, avg=157.17, stdev=83.87, samples=82 iops : min= 1, max= 28, avg= 9.05, stdev= 5.32, samples=82 lat (msec) : 10=1.30%, 20=10.81%, 50=51.04%, 100=24.61%, 250=12.24% cpu : usr=0.05%, sys=2.27%, ctx=1283, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179593: Fri Jun 12 02:24:32 2026 read: IOPS=9, BW=153KiB/s (157kB/s)(6256KiB/40900msec) clat (msec): min=9, max=192, avg=44.55, stdev=31.27 lat (msec): min=9, max=192, avg=44.55, stdev=31.27 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 16], 20.00th=[ 23], | 30.00th=[ 26], 40.00th=[ 30], 50.00th=[ 34], 60.00th=[ 39], | 70.00th=[ 50], 80.00th=[ 65], 90.00th=[ 91], 95.00th=[ 103], | 99.00th=[ 165], 99.50th=[ 188], 99.90th=[ 192], 99.95th=[ 192], | 99.99th=[ 192] bw ( KiB/s): min= 31, max= 448, per=26.80%, avg=154.93, stdev=86.29, samples=80 iops : min= 1, max= 28, avg= 8.90, stdev= 5.45, samples=80 write: IOPS=9, BW=147KiB/s (151kB/s)(6032KiB/40900msec); 0 zone resets clat (msec): min=13, max=262, avg=61.85, stdev=41.62 lat (msec): min=13, max=262, avg=61.87, stdev=41.62 clat percentiles (msec): | 1.00th=[ 15], 5.00th=[ 22], 10.00th=[ 24], 20.00th=[ 30], | 30.00th=[ 36], 40.00th=[ 42], 50.00th=[ 51], 60.00th=[ 61], | 70.00th=[ 70], 80.00th=[ 87], 90.00th=[ 122], 95.00th=[ 144], | 99.00th=[ 211], 99.50th=[ 259], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 31, max= 480, per=24.43%, avg=148.56, stdev=81.53, samples=80 iops : min= 1, max= 30, avg= 8.50, stdev= 5.15, samples=80 lat (msec) : 10=0.26%, 20=9.51%, 50=50.65%, 100=29.17%, 250=10.16% lat (msec) : 500=0.26% cpu : usr=0.07%, sys=2.54%, ctx=1358, 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=179594: Fri Jun 12 02:24:32 2026 read: IOPS=9, BW=146KiB/s (150kB/s)(6032KiB/41176msec) clat (msec): min=8, max=196, avg=46.57, stdev=35.89 lat (msec): min=8, max=196, avg=46.57, stdev=35.89 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 14], 10.00th=[ 17], 20.00th=[ 21], | 30.00th=[ 25], 40.00th=[ 29], 50.00th=[ 35], 60.00th=[ 41], | 70.00th=[ 49], 80.00th=[ 68], 90.00th=[ 102], 95.00th=[ 126], | 99.00th=[ 176], 99.50th=[ 190], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 31, max= 352, per=25.97%, avg=150.12, stdev=77.41, samples=78 iops : min= 1, max= 22, avg= 8.59, stdev= 4.93, samples=78 write: IOPS=9, BW=152KiB/s (156kB/s)(6256KiB/41176msec); 0 zone resets clat (msec): min=13, max=287, avg=59.62, stdev=37.76 lat (msec): min=13, max=287, avg=59.63, stdev=37.76 clat percentiles (msec): | 1.00th=[ 17], 5.00th=[ 21], 10.00th=[ 25], 20.00th=[ 31], | 30.00th=[ 36], 40.00th=[ 42], 50.00th=[ 49], 60.00th=[ 58], | 70.00th=[ 69], 80.00th=[ 83], 90.00th=[ 108], 95.00th=[ 136], | 99.00th=[ 192], 99.50th=[ 213], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 31, max= 446, per=24.77%, avg=150.58, stdev=81.74, samples=81 iops : min= 1, max= 27, avg= 8.63, stdev= 5.17, samples=81 lat (msec) : 10=0.39%, 20=10.81%, 50=49.48%, 100=28.39%, 250=10.81% lat (msec) : 500=0.13% cpu : usr=0.06%, sys=2.47%, ctx=1321, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=579KiB/s (593kB/s), 139KiB/s-153KiB/s (142kB/s-157kB/s), io=23.4MiB (24.5MB), run=40772-41381msec WRITE: bw=609KiB/s (624kB/s), 147KiB/s-158KiB/s (151kB/s-162kB/s), io=24.6MiB (25.8MB), run=40772-41381msec 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=179610: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=944KiB/s (966kB/s)(7168KiB/7597msec) clat (msec): min=7, max=3207, avg=731.34, stdev=1109.12 lat (msec): min=7, max=3207, avg=731.34, stdev=1109.12 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 8], 10.00th=[ 8], 20.00th=[ 178], | 30.00th=[ 317], 40.00th=[ 317], 50.00th=[ 372], 60.00th=[ 405], | 70.00th=[ 405], 80.00th=[ 634], 90.00th=[ 3205], 95.00th=[ 3205], | 99.00th=[ 3205], 99.50th=[ 3205], 99.90th=[ 3205], 99.95th=[ 3205], | 99.99th=[ 3205] bw ( KiB/s): min= 1400, max= 4015, per=85.17%, avg=2295.40, stdev=998.32, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=0, BW=674KiB/s (690kB/s)(5120KiB/7597msec); 0 zone resets clat (msec): min=158, max=736, avg=489.29, stdev=221.49 lat (msec): min=158, max=736, avg=489.37, stdev=221.49 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 159], 10.00th=[ 159], 20.00th=[ 159], | 30.00th=[ 409], 40.00th=[ 409], 50.00th=[ 514], 60.00th=[ 514], | 70.00th=[ 625], 80.00th=[ 625], 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= 1992, max= 2043, per=53.45%, avg=2017.25, stdev=22.37, samples=4 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=4 lat (msec) : 10=8.33%, 250=16.67%, 500=33.33%, 750=33.33%, >=2000=8.33% cpu : usr=0.00%, sys=6.74%, ctx=356, 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=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=179611: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=287KiB/s (294kB/s)(2048KiB/7124msec) clat (msec): min=288, max=290, avg=289.40, stdev= 1.09 lat (msec): min=288, max=290, avg=289.40, stdev= 1.10 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 288], 10.00th=[ 288], 20.00th=[ 288], | 30.00th=[ 288], 40.00th=[ 288], 50.00th=[ 288], 60.00th=[ 292], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 292], 95.00th=[ 292], | 99.00th=[ 292], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 1428, max= 2035, per=64.25%, avg=1731.50, stdev=429.21, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1437KiB/s (1472kB/s)(10.0MiB/7124msec); 0 zone resets clat (msec): min=66, max=1634, avg=641.59, stdev=434.63 lat (msec): min=66, max=1635, avg=641.78, stdev=434.68 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 300], | 30.00th=[ 309], 40.00th=[ 523], 50.00th=[ 527], 60.00th=[ 584], | 70.00th=[ 751], 80.00th=[ 785], 90.00th=[ 944], 95.00th=[ 1636], | 99.00th=[ 1636], 99.50th=[ 1636], 99.90th=[ 1636], 99.95th=[ 1636], | 99.99th=[ 1636] bw ( KiB/s): min= 1946, max= 4087, per=60.24%, avg=2273.38, stdev=733.41, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 100=8.33%, 500=33.33%, 750=25.00%, 1000=25.00%, 2000=8.33% cpu : usr=0.03%, sys=8.24%, ctx=138, 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=179612: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=952KiB/s (974kB/s)(6144KiB/6457msec) clat (usec): min=412, max=395412, avg=232603.77, stdev=144147.45 lat (usec): min=413, max=395413, avg=232605.17, stdev=144147.53 clat percentiles (usec): | 1.00th=[ 412], 5.00th=[ 412], 10.00th=[ 412], 20.00th=[127402], | 30.00th=[127402], 40.00th=[265290], 50.00th=[265290], 60.00th=[278922], | 70.00th=[329253], 80.00th=[329253], 90.00th=[396362], 95.00th=[396362], | 99.00th=[396362], 99.50th=[396362], 99.90th=[396362], 99.95th=[396362], | 99.99th=[396362] bw ( KiB/s): min= 2027, max= 4079, per=94.47%, avg=2546.00, stdev=1022.02, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=0, BW=952KiB/s (974kB/s)(6144KiB/6457msec); 0 zone resets clat (msec): min=124, max=1969, avg=778.05, stdev=704.46 lat (msec): min=125, max=1972, avg=778.75, stdev=705.27 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 126], 10.00th=[ 126], 20.00th=[ 186], | 30.00th=[ 186], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 617], | 70.00th=[ 1234], 80.00th=[ 1234], 90.00th=[ 1972], 95.00th=[ 1972], | 99.00th=[ 1972], 99.50th=[ 1972], 99.90th=[ 1972], 99.95th=[ 1972], | 99.99th=[ 1972] bw ( KiB/s): min= 2035, max= 4087, per=81.13%, avg=3062.00, stdev=1183.57, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 lat (usec) : 500=8.33% lat (msec) : 250=25.00%, 500=33.33%, 750=16.67%, 2000=16.67% cpu : usr=0.00%, sys=5.68%, ctx=133, 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=179615: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=870KiB/s (890kB/s)(5120KiB/5888msec) clat (usec): min=471, max=359063, avg=192308.68, stdev=143224.84 lat (usec): min=473, max=359065, avg=192309.97, stdev=143224.68 clat percentiles (usec): | 1.00th=[ 474], 5.00th=[ 474], 10.00th=[ 474], 20.00th=[ 474], | 30.00th=[ 99091], 40.00th=[ 99091], 50.00th=[223347], 60.00th=[223347], | 70.00th=[278922], 80.00th=[278922], 90.00th=[358613], 95.00th=[358613], | 99.00th=[358613], 99.50th=[358613], 99.90th=[358613], 99.95th=[358613], | 99.99th=[358613] bw ( KiB/s): min= 1946, max= 6119, per=100.00%, avg=4032.50, stdev=2950.76, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1217KiB/s (1247kB/s)(7168KiB/5888msec); 0 zone resets clat (msec): min=275, max=2004, avg=685.62, stdev=616.88 lat (msec): min=275, max=2004, avg=685.70, stdev=616.87 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 275], 10.00th=[ 275], 20.00th=[ 300], | 30.00th=[ 405], 40.00th=[ 405], 50.00th=[ 422], 60.00th=[ 498], | 70.00th=[ 498], 80.00th=[ 894], 90.00th=[ 2005], 95.00th=[ 2005], | 99.00th=[ 2005], 99.50th=[ 2005], 99.90th=[ 2005], 99.95th=[ 2005], | 99.99th=[ 2005] bw ( KiB/s): min= 1523, max= 3893, per=59.52%, avg=2246.17, stdev=830.63, samples=6 iops : min= 1, max= 3, avg= 1.33, stdev= 0.82, samples=6 lat (usec) : 500=8.33% lat (msec) : 100=8.33%, 250=8.33%, 500=58.33%, 1000=8.33%, >=2000=8.33% cpu : usr=0.00%, sys=5.50%, ctx=202, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2696KiB/s (2761kB/s), 287KiB/s-952KiB/s (294kB/s-974kB/s), io=20.0MiB (20.0MB), run=5888-7597msec WRITE: bw=3774KiB/s (3865kB/s), 674KiB/s-1437KiB/s (690kB/s-1472kB/s), io=28.0MiB (29.4MB), run=5888-7597msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179613: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=901KiB/s (923kB/s)(7168KiB/7955msec) clat (msec): min=75, max=2404, avg=720.85, stdev=940.95 lat (msec): min=75, max=2404, avg=720.86, stdev=940.95 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 75], 10.00th=[ 75], 20.00th=[ 100], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 190], 60.00th=[ 435], | 70.00th=[ 435], 80.00th=[ 1703], 90.00th=[ 2400], 95.00th=[ 2400], | 99.00th=[ 2400], 99.50th=[ 2400], 99.90th=[ 2400], 99.95th=[ 2400], | 99.99th=[ 2400] bw ( KiB/s): min= 1756, max= 2043, per=76.67%, avg=1973.50, stdev=107.76, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 write: IOPS=0, BW=644KiB/s (659kB/s)(5120KiB/7955msec); 0 zone resets clat (msec): min=144, max=841, avg=441.65, stdev=257.92 lat (msec): min=144, max=841, avg=441.74, stdev=257.89 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 146], | 30.00th=[ 334], 40.00th=[ 334], 50.00th=[ 393], 60.00th=[ 393], | 70.00th=[ 502], 80.00th=[ 502], 90.00th=[ 844], 95.00th=[ 844], | 99.00th=[ 844], 99.50th=[ 844], 99.90th=[ 844], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 1756, max= 4055, per=72.24%, avg=2603.67, stdev=1262.80, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (msec) : 100=16.67%, 250=25.00%, 500=33.33%, 1000=8.33%, 2000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.00%, sys=2.51%, ctx=97, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179614: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=270KiB/s (276kB/s)(2048KiB/7591msec) clat (msec): min=211, max=398, avg=304.87, stdev=132.48 lat (msec): min=211, max=398, avg=304.87, stdev=132.48 clat percentiles (msec): | 1.00th=[ 211], 5.00th=[ 211], 10.00th=[ 211], 20.00th=[ 211], | 30.00th=[ 211], 40.00th=[ 211], 50.00th=[ 211], 60.00th=[ 401], | 70.00th=[ 401], 80.00th=[ 401], 90.00th=[ 401], 95.00th=[ 401], | 99.00th=[ 401], 99.50th=[ 401], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 2007, max= 2043, per=78.67%, avg=2025.00, stdev=25.46, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1349KiB/s (1381kB/s)(10.0MiB/7591msec); 0 zone resets clat (msec): min=182, max=1175, avg=669.07, stdev=328.64 lat (msec): min=182, max=1175, avg=669.15, stdev=328.64 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 184], 10.00th=[ 184], 20.00th=[ 384], | 30.00th=[ 443], 40.00th=[ 460], 50.00th=[ 472], 60.00th=[ 768], | 70.00th=[ 802], 80.00th=[ 953], 90.00th=[ 1062], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 1756, max= 4079, per=61.93%, avg=2231.88, stdev=752.05, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 250=16.67%, 500=41.67%, 1000=25.00%, 2000=16.67% cpu : usr=0.00%, sys=2.78%, ctx=131, 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=179616: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=818KiB/s (838kB/s)(6144KiB/7512msec) clat (msec): min=87, max=619, avg=366.65, stdev=206.60 lat (msec): min=87, max=619, avg=366.65, stdev=206.61 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 88], 10.00th=[ 88], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 253], 50.00th=[ 253], 60.00th=[ 493], | 70.00th=[ 523], 80.00th=[ 523], 90.00th=[ 617], 95.00th=[ 617], | 99.00th=[ 617], 99.50th=[ 617], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 2000, max= 4015, per=97.95%, avg=2521.25, stdev=995.99, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=0, BW=818KiB/s (838kB/s)(6144KiB/7512msec); 0 zone resets clat (msec): min=371, max=2203, avg=875.28, stdev=691.76 lat (msec): min=371, max=2203, avg=875.39, stdev=691.76 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 372], 10.00th=[ 372], 20.00th=[ 414], | 30.00th=[ 414], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 693], | 70.00th=[ 1020], 80.00th=[ 1020], 90.00th=[ 2198], 95.00th=[ 2198], | 99.00th=[ 2198], 99.50th=[ 2198], 99.90th=[ 2198], 99.95th=[ 2198], | 99.99th=[ 2198] bw ( KiB/s): min= 1490, max= 2043, per=52.86%, avg=1905.20, stdev=236.18, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 100=8.33%, 250=8.33%, 500=33.33%, 750=33.33%, 2000=8.33% lat (msec) : >=2000=8.33% cpu : usr=0.03%, sys=1.81%, 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=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=179617: Fri Jun 12 02:24:46 2026 read: IOPS=0, BW=658KiB/s (674kB/s)(5120KiB/7781msec) clat (msec): min=138, max=1450, avg=507.45, stdev=533.56 lat (msec): min=138, max=1450, avg=507.45, stdev=533.56 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 138], 10.00th=[ 138], 20.00th=[ 138], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 305], 60.00th=[ 305], | 70.00th=[ 359], 80.00th=[ 359], 90.00th=[ 1452], 95.00th=[ 1452], | 99.00th=[ 1452], 99.50th=[ 1452], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 2007, max= 4047, per=100.00%, avg=2697.67, stdev=1168.67, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=0, BW=921KiB/s (943kB/s)(7168KiB/7781msec); 0 zone resets clat (msec): min=108, max=1333, avg=728.49, stdev=441.83 lat (msec): min=108, max=1334, avg=728.57, stdev=441.84 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 109], 10.00th=[ 109], 20.00th=[ 292], | 30.00th=[ 531], 40.00th=[ 531], 50.00th=[ 818], 60.00th=[ 902], | 70.00th=[ 902], 80.00th=[ 1116], 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= 1935, max= 2043, per=55.74%, avg=2008.80, stdev=44.54, samples=5 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=5 lat (msec) : 250=16.67%, 500=33.33%, 750=8.33%, 1000=16.67%, 2000=25.00% cpu : usr=0.00%, sys=2.70%, ctx=99, 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=2574KiB/s (2636kB/s), 270KiB/s-901KiB/s (276kB/s-923kB/s), io=20.0MiB (20.0MB), run=7512-7955msec WRITE: bw=3604KiB/s (3691kB/s), 644KiB/s-1349KiB/s (659kB/s-1381kB/s), io=28.0MiB (29.4MB), run=7512-7955msec 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=179626: Fri Jun 12 02:25:09 2026 read: IOPS=1, BW=4690KiB/s (4803kB/s)(12.0MiB/2620msec) clat (msec): min=723, max=920, avg=810.75, stdev=100.42 lat (msec): min=723, max=920, avg=810.75, stdev=100.41 clat percentiles (msec): | 1.00th=[ 726], 5.00th=[ 726], 10.00th=[ 726], 20.00th=[ 726], | 30.00th=[ 726], 40.00th=[ 785], 50.00th=[ 785], 60.00th=[ 785], | 70.00th=[ 919], 80.00th=[ 919], 90.00th=[ 919], 95.00th=[ 919], | 99.00th=[ 919], 99.50th=[ 919], 99.90th=[ 919], 99.95th=[ 919], | 99.99th=[ 919] bw ( KiB/s): min= 6649, max= 7953, per=100.00%, avg=7301.00, stdev=922.07, 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=2.48%, ctx=44, 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=179627: Fri Jun 12 02:25:09 2026 read: IOPS=0, BW=726KiB/s (744kB/s)(4096KiB/5640msec) clat (nsec): min=1461.7M, max=1461.7M, avg=1461689156.00, stdev= 0.00 lat (nsec): min=1461.7M, max=1461.7M, avg=1461691855.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1469], 5.00th=[ 1469], 10.00th=[ 1469], 20.00th=[ 1469], | 30.00th=[ 1469], 40.00th=[ 1469], 50.00th=[ 1469], 60.00th=[ 1469], | 70.00th=[ 1469], 80.00th=[ 1469], 90.00th=[ 1469], 95.00th=[ 1469], | 99.00th=[ 1469], 99.50th=[ 1469], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 7742, max= 7742, per=100.00%, avg=7742.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1452KiB/s (1487kB/s)(8192KiB/5640msec); 0 zone resets clat (msec): min=1496, max=2496, avg=1996.63, stdev=706.68 lat (msec): min=1497, max=2496, avg=1997.27, stdev=706.25 clat percentiles (msec): | 1.00th=[ 1502], 5.00th=[ 1502], 10.00th=[ 1502], 20.00th=[ 1502], | 30.00th=[ 1502], 40.00th=[ 1502], 50.00th=[ 1502], 60.00th=[ 2500], | 70.00th=[ 2500], 80.00th=[ 2500], 90.00th=[ 2500], 95.00th=[ 2500], | 99.00th=[ 2500], 99.50th=[ 2500], 99.90th=[ 2500], 99.95th=[ 2500], | 99.99th=[ 2500] bw ( KiB/s): min= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 2000=66.67%, >=2000=33.33% cpu : usr=0.00%, sys=1.95%, ctx=49, 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=179629: Fri Jun 12 02:25:09 2026 write: IOPS=0, BW=2542KiB/s (2603kB/s)(12.0MiB/4834msec); 0 zone resets clat (msec): min=323, max=2211, avg=1555.73, stdev=1067.62 lat (msec): min=327, max=2211, avg=1557.19, stdev=1065.66 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 326], 10.00th=[ 326], 20.00th=[ 326], | 30.00th=[ 326], 40.00th=[ 2140], 50.00th=[ 2140], 60.00th=[ 2140], | 70.00th=[ 2198], 80.00th=[ 2198], 90.00th=[ 2198], 95.00th=[ 2198], | 99.00th=[ 2198], 99.50th=[ 2198], 99.90th=[ 2198], 99.95th=[ 2198], | 99.99th=[ 2198] bw ( KiB/s): min= 7953, max= 8062, per=100.00%, avg=8007.50, stdev=77.07, 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=0.00%, sys=2.05%, ctx=37, 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=179631: Fri Jun 12 02:25:09 2026 write: IOPS=0, BW=2529KiB/s (2590kB/s)(12.0MiB/4858msec); 0 zone resets clat (msec): min=701, max=2836, avg=1575.23, stdev=1118.66 lat (msec): min=702, max=2836, avg=1575.48, stdev=1118.75 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 1183], 50.00th=[ 1183], 60.00th=[ 1183], | 70.00th=[ 2836], 80.00th=[ 2836], 90.00th=[ 2836], 95.00th=[ 2836], | 99.00th=[ 2836], 99.50th=[ 2836], 99.90th=[ 2836], 99.95th=[ 2836], | 99.99th=[ 2836] bw ( KiB/s): min= 8031, max= 8126, per=100.00%, avg=8078.50, stdev=67.18, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=1.89%, 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=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=2905KiB/s (2975kB/s), 726KiB/s-4690KiB/s (744kB/s-4803kB/s), io=16.0MiB (16.8MB), run=2620-5640msec WRITE: bw=5810KiB/s (5949kB/s), 1452KiB/s-2542KiB/s (1487kB/s-2603kB/s), io=32.0MiB (33.6MB), run=4834-5640msec rand-rw: (groupid=0, jobs=1): err= 0: pid=179628: Fri Jun 12 02:25:10 2026 read: IOPS=0, BW=2736KiB/s (2802kB/s)(12.0MiB/4491msec) clat (msec): min=1340, max=1516, avg=1457.57, stdev=101.22 lat (msec): min=1340, max=1516, avg=1457.57, stdev=101.22 clat percentiles (msec): | 1.00th=[ 1334], 5.00th=[ 1334], 10.00th=[ 1334], 20.00th=[ 1334], | 30.00th=[ 1334], 40.00th=[ 1519], 50.00th=[ 1519], 60.00th=[ 1519], | 70.00th=[ 1519], 80.00th=[ 1519], 90.00th=[ 1519], 95.00th=[ 1519], | 99.00th=[ 1519], 99.50th=[ 1519], 99.90th=[ 1519], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 2000=100.00% cpu : usr=0.00%, sys=9.13%, ctx=212, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179630: Fri Jun 12 02:25:10 2026 read: IOPS=0, BW=838KiB/s (858kB/s)(4096KiB/4886msec) clat (nsec): min=1179.4M, max=1179.4M, avg=1179397990.00, stdev= 0.00 lat (nsec): min=1179.4M, max=1179.4M, avg=1179400240.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1183], 5.00th=[ 1183], 10.00th=[ 1183], 20.00th=[ 1183], | 30.00th=[ 1183], 40.00th=[ 1183], 50.00th=[ 1183], 60.00th=[ 1183], | 70.00th=[ 1183], 80.00th=[ 1183], 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= 8126, max= 8126, per=100.00%, avg=8126.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1677KiB/s (1717kB/s)(8192KiB/4886msec); 0 zone resets clat (msec): min=1305, max=2313, avg=1809.84, stdev=712.62 lat (msec): min=1306, max=2316, avg=1811.14, stdev=714.01 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=[ 2299], | 70.00th=[ 2299], 80.00th=[ 2299], 90.00th=[ 2299], 95.00th=[ 2299], | 99.00th=[ 2299], 99.50th=[ 2299], 99.90th=[ 2299], 99.95th=[ 2299], | 99.99th=[ 2299] bw ( KiB/s): min= 8078, max= 8078, per=100.00%, avg=8078.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 2000=66.67%, >=2000=33.33% cpu : usr=0.08%, sys=2.97%, ctx=67, 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=179632: Fri Jun 12 02:25:10 2026 write: IOPS=0, BW=2270KiB/s (2325kB/s)(12.0MiB/5413msec); 0 zone resets clat (msec): min=417, max=2781, avg=1731.26, stdev=1203.76 lat (msec): min=420, max=2781, avg=1732.51, stdev=1202.47 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 418], 10.00th=[ 418], 20.00th=[ 418], | 30.00th=[ 418], 40.00th=[ 1989], 50.00th=[ 1989], 60.00th=[ 1989], | 70.00th=[ 2769], 80.00th=[ 2769], 90.00th=[ 2769], 95.00th=[ 2769], | 99.00th=[ 2769], 99.50th=[ 2769], 99.90th=[ 2769], 99.95th=[ 2769], | 99.99th=[ 2769] bw ( KiB/s): min= 8159, max= 8159, per=100.00%, avg=8159.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=1.40%, ctx=49, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179633: Fri Jun 12 02:25:10 2026 write: IOPS=0, BW=2610KiB/s (2673kB/s)(12.0MiB/4708msec); 0 zone resets clat (msec): min=790, max=2120, avg=1484.72, stdev=666.73 lat (msec): min=797, max=2120, avg=1487.76, stdev=663.45 clat percentiles (msec): | 1.00th=[ 793], 5.00th=[ 793], 10.00th=[ 793], 20.00th=[ 793], | 30.00th=[ 793], 40.00th=[ 1536], 50.00th=[ 1536], 60.00th=[ 1536], | 70.00th=[ 2123], 80.00th=[ 2123], 90.00th=[ 2123], 95.00th=[ 2123], | 99.00th=[ 2123], 99.50th=[ 2123], 99.90th=[ 2123], 99.95th=[ 2123], | 99.99th=[ 2123] bw ( KiB/s): min= 8047, max= 8078, per=100.00%, avg=8062.50, stdev=21.92, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.34%, ctx=54, 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=3353KiB/s (3434kB/s), 838KiB/s-2736KiB/s (858kB/s-2802kB/s), io=16.0MiB (16.8MB), run=4491-4886msec WRITE: bw=6054KiB/s (6199kB/s), 1677KiB/s-2610KiB/s (1717kB/s-2673kB/s), io=32.0MiB (33.6MB), run=4708-5413msec