== sanity test 398b: DIO and buffer IO race ============== 18:30:22 (1763335822) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 3.9814 s, 12.6 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=147199: Sun Nov 16 18:31:58 2025 read: IOPS=18, BW=72.1KiB/s (73.8kB/s)(5992KiB/83109msec) clat (usec): min=111, max=594870, avg=27626.21, stdev=24925.05 lat (usec): min=112, max=594871, avg=27628.34, stdev=24925.84 clat percentiles (usec): | 1.00th=[ 135], 5.00th=[ 169], 10.00th=[ 6325], 20.00th=[ 14222], | 30.00th=[ 17433], 40.00th=[ 20317], 50.00th=[ 23462], 60.00th=[ 27395], | 70.00th=[ 32113], 80.00th=[ 39060], 90.00th=[ 50070], 95.00th=[ 59507], | 99.00th=[ 91751], 99.50th=[137364], 99.90th=[212861], 99.95th=[591397], | 99.99th=[591397] bw ( KiB/s): min= 6, max= 160, per=24.99%, avg=71.73, stdev=26.61, samples=164 iops : min= 1, max= 40, avg=17.37, stdev= 6.69, samples=164 write: IOPS=18, BW=75.8KiB/s (77.6kB/s)(6296KiB/83109msec); 0 zone resets clat (usec): min=886, max=390057, avg=26374.55, stdev=28427.40 lat (usec): min=886, max=390058, avg=26375.99, stdev=28427.48 clat percentiles (usec): | 1.00th=[ 1004], 5.00th=[ 1123], 10.00th=[ 1221], 20.00th=[ 2442], | 30.00th=[ 5604], 40.00th=[ 12518], 50.00th=[ 20579], 60.00th=[ 27395], | 70.00th=[ 35390], 80.00th=[ 44827], 90.00th=[ 59507], 95.00th=[ 76022], | 99.00th=[111674], 99.50th=[132645], 99.90th=[358613], 99.95th=[387974], | 99.99th=[387974] bw ( KiB/s): min= 7, max= 159, per=25.18%, avg=75.79, stdev=27.50, samples=163 iops : min= 1, max= 39, avg=18.37, stdev= 6.95, samples=163 lat (usec) : 250=3.68%, 500=0.59%, 1000=0.46% lat (msec) : 2=8.85%, 4=4.10%, 10=7.00%, 20=19.37%, 50=42.87% lat (msec) : 100=11.88%, 250=1.11%, 500=0.07%, 750=0.03% cpu : usr=0.09%, sys=7.76%, ctx=6470, 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=147200: Sun Nov 16 18:31:58 2025 read: IOPS=17, BW=71.2KiB/s (72.9kB/s)(5940KiB/83473msec) clat (usec): min=112, max=172457, avg=27030.08, stdev=18684.61 lat (usec): min=112, max=172459, avg=27032.75, stdev=18685.42 clat percentiles (usec): | 1.00th=[ 131], 5.00th=[ 188], 10.00th=[ 7701], 20.00th=[ 14091], | 30.00th=[ 17433], 40.00th=[ 20317], 50.00th=[ 23462], 60.00th=[ 27132], | 70.00th=[ 32637], 80.00th=[ 39060], 90.00th=[ 50594], 95.00th=[ 60031], | 99.00th=[ 87557], 99.50th=[104334], 99.90th=[166724], 99.95th=[173016], | 99.99th=[173016] bw ( KiB/s): min= 6, max= 144, per=24.66%, avg=70.78, stdev=26.64, samples=165 iops : min= 1, max= 36, avg=17.12, stdev= 6.70, samples=165 write: IOPS=19, BW=76.0KiB/s (77.9kB/s)(6348KiB/83473msec); 0 zone resets clat (usec): min=883, max=594984, avg=27189.41, stdev=32402.01 lat (usec): min=884, max=594986, avg=27190.82, stdev=32402.29 clat percentiles (usec): | 1.00th=[ 988], 5.00th=[ 1090], 10.00th=[ 1188], 20.00th=[ 2343], | 30.00th=[ 5407], 40.00th=[ 13304], 50.00th=[ 20055], 60.00th=[ 27395], | 70.00th=[ 35914], 80.00th=[ 46400], 90.00th=[ 61080], 95.00th=[ 77071], | 99.00th=[124257], 99.50th=[145753], 99.90th=[429917], 99.95th=[591397], | 99.99th=[591397] bw ( KiB/s): min= 23, max= 208, per=25.28%, avg=76.08, stdev=28.70, samples=164 iops : min= 5, max= 52, avg=18.45, stdev= 7.24, samples=164 lat (usec) : 250=3.22%, 500=0.78%, 750=0.07%, 1000=0.78% lat (msec) : 2=8.82%, 4=4.36%, 10=6.61%, 20=19.95%, 50=41.86% lat (msec) : 100=12.34%, 250=1.11%, 500=0.07%, 750=0.03% cpu : usr=0.11%, sys=7.75%, ctx=6517, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147201: Sun Nov 16 18:31:58 2025 read: IOPS=18, BW=72.3KiB/s (74.1kB/s)(6028KiB/83339msec) clat (usec): min=94, max=267710, avg=26669.59, stdev=20628.28 lat (usec): min=94, max=267710, avg=26672.64, stdev=20628.35 clat percentiles (usec): | 1.00th=[ 129], 5.00th=[ 163], 10.00th=[ 791], 20.00th=[ 13698], | 30.00th=[ 16909], 40.00th=[ 20055], 50.00th=[ 23200], 60.00th=[ 26870], | 70.00th=[ 31851], 80.00th=[ 38011], 90.00th=[ 49021], 95.00th=[ 57934], | 99.00th=[101188], 99.50th=[125305], 99.90th=[212861], 99.95th=[267387], | 99.99th=[267387] bw ( KiB/s): min= 7, max= 159, per=25.18%, avg=72.26, stdev=26.85, samples=163 iops : min= 1, max= 39, avg=17.49, stdev= 6.75, samples=163 write: IOPS=18, BW=75.1KiB/s (76.9kB/s)(6260KiB/83339msec); 0 zone resets clat (usec): min=886, max=603044, avg=27432.03, stdev=31024.32 lat (usec): min=888, max=603047, avg=27434.13, stdev=31026.08 clat percentiles (usec): | 1.00th=[ 1012], 5.00th=[ 1090], 10.00th=[ 1205], 20.00th=[ 2311], | 30.00th=[ 5604], 40.00th=[ 13829], 50.00th=[ 21365], 60.00th=[ 28443], | 70.00th=[ 36963], 80.00th=[ 45876], 90.00th=[ 62129], 95.00th=[ 78119], | 99.00th=[112722], 99.50th=[133694], 99.90th=[350225], 99.95th=[599786], | 99.99th=[599786] bw ( KiB/s): min= 7, max= 149, per=24.84%, avg=74.75, stdev=26.79, samples=163 iops : min= 1, max= 37, avg=18.13, stdev= 6.77, samples=163 lat (usec) : 100=0.03%, 250=4.04%, 500=0.72%, 750=0.07%, 1000=0.68% lat (msec) : 2=9.02%, 4=4.39%, 10=5.66%, 20=19.43%, 50=42.77% lat (msec) : 100=11.72%, 250=1.37%, 500=0.07%, 750=0.03% cpu : usr=0.11%, sys=7.67%, ctx=6524, 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=147202: Sun Nov 16 18:31:58 2025 read: IOPS=18, BW=72.6KiB/s (74.4kB/s)(6052KiB/83325msec) clat (usec): min=100, max=808030, avg=27010.24, stdev=27493.54 lat (usec): min=101, max=808031, avg=27011.29, stdev=27493.53 clat percentiles (usec): | 1.00th=[ 131], 5.00th=[ 163], 10.00th=[ 1762], 20.00th=[ 13566], | 30.00th=[ 16909], 40.00th=[ 20055], 50.00th=[ 22938], 60.00th=[ 26870], | 70.00th=[ 31589], 80.00th=[ 39060], 90.00th=[ 49021], 95.00th=[ 59507], | 99.00th=[ 91751], 99.50th=[116917], 99.90th=[152044], 99.95th=[809501], | 99.99th=[809501] bw ( KiB/s): min= 15, max= 150, per=25.28%, avg=72.55, stdev=26.81, samples=163 iops : min= 3, max= 37, avg=17.56, stdev= 6.74, samples=163 write: IOPS=18, BW=74.8KiB/s (76.6kB/s)(6236KiB/83325msec); 0 zone resets clat (usec): min=869, max=590294, avg=27108.31, stdev=31075.52 lat (usec): min=870, max=590297, avg=27109.64, stdev=31075.56 clat percentiles (usec): | 1.00th=[ 996], 5.00th=[ 1090], 10.00th=[ 1172], 20.00th=[ 2245], | 30.00th=[ 5604], 40.00th=[ 12780], 50.00th=[ 19530], 60.00th=[ 27657], | 70.00th=[ 35914], 80.00th=[ 45876], 90.00th=[ 63177], 95.00th=[ 78119], | 99.00th=[119014], 99.50th=[135267], 99.90th=[299893], 99.95th=[591397], | 99.99th=[591397] bw ( KiB/s): min= 15, max= 167, per=25.02%, avg=75.31, stdev=27.42, samples=162 iops : min= 3, max= 41, avg=18.26, stdev= 6.88, samples=162 lat (usec) : 250=3.84%, 500=0.75%, 750=0.16%, 1000=0.75% lat (msec) : 2=8.95%, 4=3.94%, 10=6.32%, 20=20.57%, 50=41.34% lat (msec) : 100=11.98%, 250=1.30%, 500=0.03%, 750=0.03%, 1000=0.03% cpu : usr=0.09%, sys=7.78%, ctx=6532, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=288KiB/s (295kB/s), 71.2KiB/s-72.6KiB/s (72.9kB/s-74.4kB/s), io=23.4MiB (24.6MB), run=83109-83473msec WRITE: bw=301KiB/s (308kB/s), 74.8KiB/s-76.0KiB/s (76.6kB/s-77.9kB/s), io=24.6MiB (25.7MB), run=83109-83473msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147194: Sun Nov 16 18:34:06 2025 read: IOPS=7, BW=28.6KiB/s (29.2kB/s)(5992KiB/209784msec) clat (msec): min=4, max=611, avg=26.43, stdev=26.99 lat (msec): min=4, max=611, avg=26.43, stdev=26.99 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 13], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 19], 60.00th=[ 23], | 70.00th=[ 29], 80.00th=[ 39], 90.00th=[ 52], 95.00th=[ 63], | 99.00th=[ 110], 99.50th=[ 146], 99.90th=[ 338], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 7, max= 111, per=26.59%, avg=30.05, stdev=18.18, samples=388 iops : min= 1, max= 27, avg= 6.89, stdev= 4.57, samples=388 write: IOPS=7, BW=30.0KiB/s (30.7kB/s)(6296KiB/209784msec); 0 zone resets clat (msec): min=32, max=454, avg=107.95, stdev=41.91 lat (msec): min=32, max=454, avg=107.95, stdev=41.91 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 57], 10.00th=[ 65], 20.00th=[ 74], | 30.00th=[ 83], 40.00th=[ 91], 50.00th=[ 101], 60.00th=[ 112], | 70.00th=[ 123], 80.00th=[ 136], 90.00th=[ 161], 95.00th=[ 184], | 99.00th=[ 249], 99.50th=[ 271], 99.90th=[ 372], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 7, max= 55, per=25.07%, avg=29.59, stdev=10.13, samples=413 iops : min= 1, max= 13, avg= 6.77, stdev= 2.58, samples=413 lat (msec) : 10=5.18%, 20=21.29%, 50=17.97%, 100=29.59%, 250=25.49% lat (msec) : 500=0.46%, 750=0.03% cpu : usr=0.05%, sys=1.51%, ctx=5442, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147195: Sun Nov 16 18:34:06 2025 read: IOPS=7, BW=28.2KiB/s (28.8kB/s)(5940KiB/211008msec) clat (msec): min=5, max=526, avg=25.59, stdev=25.22 lat (msec): min=5, max=526, avg=25.59, stdev=25.22 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 19], 60.00th=[ 22], | 70.00th=[ 27], 80.00th=[ 36], 90.00th=[ 50], 95.00th=[ 63], | 99.00th=[ 104], 99.50th=[ 148], 99.90th=[ 342], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 7, max= 118, per=26.51%, avg=29.95, stdev=19.80, samples=385 iops : min= 1, max= 29, avg= 6.87, stdev= 4.99, samples=385 write: IOPS=7, BW=30.1KiB/s (30.8kB/s)(6348KiB/211008msec); 0 zone resets clat (msec): min=32, max=804, avg=108.83, stdev=44.40 lat (msec): min=32, max=804, avg=108.84, stdev=44.40 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 75], | 30.00th=[ 84], 40.00th=[ 92], 50.00th=[ 101], 60.00th=[ 110], | 70.00th=[ 123], 80.00th=[ 138], 90.00th=[ 163], 95.00th=[ 188], | 99.00th=[ 234], 99.50th=[ 262], 99.90th=[ 380], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 7, max= 63, per=25.05%, avg=29.56, stdev=10.04, samples=416 iops : min= 1, max= 15, avg= 6.77, stdev= 2.56, samples=416 lat (msec) : 10=4.92%, 20=22.43%, 50=17.32%, 100=28.81%, 250=26.17% lat (msec) : 500=0.29%, 750=0.03%, 1000=0.03% cpu : usr=0.05%, sys=1.53%, ctx=5457, 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=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=147196: Sun Nov 16 18:34:06 2025 read: IOPS=7, BW=28.5KiB/s (29.1kB/s)(6028KiB/211771msec) clat (msec): min=5, max=251, avg=27.90, stdev=22.69 lat (msec): min=5, max=251, avg=27.90, stdev=22.69 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 15], 40.00th=[ 18], 50.00th=[ 20], 60.00th=[ 24], | 70.00th=[ 31], 80.00th=[ 41], 90.00th=[ 56], 95.00th=[ 70], | 99.00th=[ 106], 99.50th=[ 133], 99.90th=[ 209], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 7, max= 96, per=26.30%, avg=29.72, stdev=17.44, samples=394 iops : min= 1, max= 24, avg= 6.81, stdev= 4.43, samples=394 write: IOPS=7, BW=29.6KiB/s (30.3kB/s)(6260KiB/211771msec); 0 zone resets clat (msec): min=32, max=804, avg=108.28, stdev=45.20 lat (msec): min=32, max=804, avg=108.28, stdev=45.20 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 58], 10.00th=[ 65], 20.00th=[ 75], | 30.00th=[ 85], 40.00th=[ 93], 50.00th=[ 101], 60.00th=[ 109], | 70.00th=[ 121], 80.00th=[ 136], 90.00th=[ 161], 95.00th=[ 186], | 99.00th=[ 239], 99.50th=[ 268], 99.90th=[ 592], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 7, max= 64, per=24.75%, avg=29.20, stdev=10.10, samples=416 iops : min= 1, max= 16, avg= 6.68, stdev= 2.59, samples=416 lat (msec) : 10=4.46%, 20=20.51%, 50=19.04%, 100=30.05%, 250=25.46% lat (msec) : 500=0.42%, 750=0.03%, 1000=0.03% cpu : usr=0.04%, sys=1.54%, ctx=5681, 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=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=147197: Sun Nov 16 18:34:06 2025 read: IOPS=7, BW=28.8KiB/s (29.5kB/s)(6052KiB/210217msec) clat (msec): min=5, max=246, avg=26.66, stdev=21.14 lat (msec): min=5, max=246, avg=26.66, stdev=21.14 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 20], 60.00th=[ 23], | 70.00th=[ 30], 80.00th=[ 40], 90.00th=[ 53], 95.00th=[ 67], | 99.00th=[ 95], 99.50th=[ 124], 99.90th=[ 205], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 7, max= 95, per=26.70%, avg=30.17, stdev=18.20, samples=390 iops : min= 1, max= 23, avg= 6.93, stdev= 4.56, samples=390 write: IOPS=7, BW=29.7KiB/s (30.4kB/s)(6236KiB/210217msec); 0 zone resets clat (msec): min=37, max=579, avg=108.79, stdev=42.97 lat (msec): min=37, max=579, avg=108.79, stdev=42.97 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 77], | 30.00th=[ 85], 40.00th=[ 92], 50.00th=[ 102], 60.00th=[ 111], | 70.00th=[ 121], 80.00th=[ 138], 90.00th=[ 161], 95.00th=[ 186], | 99.00th=[ 243], 99.50th=[ 271], 99.90th=[ 527], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 7, max= 56, per=24.74%, avg=29.19, stdev=10.27, samples=415 iops : min= 1, max= 14, avg= 6.67, stdev= 2.63, samples=415 lat (msec) : 10=4.98%, 20=20.83%, 50=18.52%, 100=29.30%, 250=25.98% lat (msec) : 500=0.33%, 750=0.07% cpu : usr=0.05%, sys=1.53%, ctx=5371, 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=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=113KiB/s (116kB/s), 28.2KiB/s-28.8KiB/s (28.8kB/s-29.5kB/s), io=23.4MiB (24.6MB), run=209784-211771msec WRITE: bw=119KiB/s (122kB/s), 29.6KiB/s-30.1KiB/s (30.3kB/s-30.8kB/s), io=24.6MiB (25.7MB), run=209784-211771msec 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=147249: Sun Nov 16 18:34:38 2025 read: IOPS=17, BW=273KiB/s (279kB/s)(5920KiB/21716msec) clat (usec): min=105, max=268684, avg=30672.18, stdev=31907.14 lat (usec): min=105, max=268685, avg=30674.34, stdev=31909.12 clat percentiles (usec): | 1.00th=[ 119], 5.00th=[ 145], 10.00th=[ 155], 20.00th=[ 196], | 30.00th=[ 13304], 40.00th=[ 21627], 50.00th=[ 26084], 60.00th=[ 31851], | 70.00th=[ 38011], 80.00th=[ 49021], 90.00th=[ 65799], 95.00th=[ 78119], | 99.00th=[130548], 99.50th=[246416], 99.90th=[270533], 99.95th=[270533], | 99.99th=[270533] bw ( KiB/s): min= 63, max= 444, per=25.18%, avg=269.64, stdev=98.09, samples=42 iops : min= 3, max= 27, avg=16.14, stdev= 6.22, samples=42 write: IOPS=18, BW=293KiB/s (300kB/s)(6368KiB/21716msec); 0 zone resets clat (usec): min=1323, max=182354, avg=25925.31, stdev=27457.39 lat (usec): min=1325, max=182356, avg=25949.12, stdev=27463.52 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1532], 10.00th=[ 1614], 20.00th=[ 1975], | 30.00th=[ 6718], 40.00th=[ 10421], 50.00th=[ 16909], 60.00th=[ 25822], | 70.00th=[ 32637], 80.00th=[ 44827], 90.00th=[ 63701], 95.00th=[ 78119], | 99.00th=[117965], 99.50th=[143655], 99.90th=[181404], 99.95th=[181404], | 99.99th=[181404] bw ( KiB/s): min= 63, max= 492, per=25.91%, avg=292.00, stdev=106.14, samples=42 iops : min= 3, max= 30, avg=17.55, stdev= 6.70, samples=42 lat (usec) : 250=10.81%, 500=1.56%, 750=0.13%, 1000=0.26% lat (msec) : 2=10.94%, 4=2.47%, 10=7.55%, 20=12.50%, 50=35.03% lat (msec) : 100=16.67%, 250=1.95%, 500=0.13% cpu : usr=0.11%, sys=7.32%, ctx=1342, 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=147250: Sun Nov 16 18:34:38 2025 read: IOPS=16, BW=258KiB/s (265kB/s)(5744KiB/22227msec) clat (usec): min=94, max=215025, avg=31578.32, stdev=30312.18 lat (usec): min=94, max=215026, avg=31579.36, stdev=30312.16 clat percentiles (usec): | 1.00th=[ 111], 5.00th=[ 137], 10.00th=[ 157], 20.00th=[ 338], | 30.00th=[ 17695], 40.00th=[ 22152], 50.00th=[ 27657], 60.00th=[ 32637], | 70.00th=[ 39584], 80.00th=[ 48497], 90.00th=[ 63701], 95.00th=[ 76022], | 99.00th=[164627], 99.50th=[210764], 99.90th=[214959], 99.95th=[214959], | 99.99th=[214959] bw ( KiB/s): min= 89, max= 478, per=24.06%, avg=257.67, stdev=87.07, samples=43 iops : min= 5, max= 29, avg=15.37, stdev= 5.43, samples=43 write: IOPS=18, BW=294KiB/s (301kB/s)(6544KiB/22227msec); 0 zone resets clat (usec): min=1269, max=143316, avg=26255.23, stdev=26078.94 lat (usec): min=1270, max=143318, avg=26258.14, stdev=26079.44 clat percentiles (usec): | 1.00th=[ 1352], 5.00th=[ 1500], 10.00th=[ 1598], 20.00th=[ 1844], | 30.00th=[ 5997], 40.00th=[ 12518], 50.00th=[ 18220], 60.00th=[ 27657], | 70.00th=[ 37487], 80.00th=[ 46400], 90.00th=[ 62653], 95.00th=[ 76022], | 99.00th=[112722], 99.50th=[129500], 99.90th=[143655], 99.95th=[143655], | 99.99th=[143655] bw ( KiB/s): min= 29, max= 537, per=25.94%, avg=292.33, stdev=101.11, samples=43 iops : min= 1, max= 33, avg=17.56, stdev= 6.39, samples=43 lat (usec) : 100=0.13%, 250=8.33%, 500=1.04%, 750=0.26%, 1000=0.13% lat (msec) : 2=11.33%, 4=3.12%, 10=5.73%, 20=13.54%, 50=38.93% lat (msec) : 100=15.10%, 250=2.34% cpu : usr=0.07%, sys=7.96%, ctx=1394, 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=147251: Sun Nov 16 18:34:38 2025 read: IOPS=17, BW=280KiB/s (287kB/s)(6256KiB/22344msec) clat (usec): min=104, max=153770, avg=29130.04, stdev=25675.53 lat (usec): min=105, max=153770, avg=29131.18, stdev=25675.53 clat percentiles (usec): | 1.00th=[ 113], 5.00th=[ 139], 10.00th=[ 157], 20.00th=[ 206], | 30.00th=[ 16188], 40.00th=[ 20579], 50.00th=[ 26870], 60.00th=[ 32375], | 70.00th=[ 40109], 80.00th=[ 47449], 90.00th=[ 60031], 95.00th=[ 71828], | 99.00th=[123208], 99.50th=[147850], 99.90th=[154141], 99.95th=[154141], | 99.99th=[154141] bw ( KiB/s): min= 59, max= 473, per=26.01%, avg=278.58, stdev=93.09, samples=43 iops : min= 3, max= 29, avg=16.70, stdev= 5.89, samples=43 write: IOPS=16, BW=270KiB/s (276kB/s)(6032KiB/22344msec); 0 zone resets clat (usec): min=1217, max=233628, avg=28673.90, stdev=30683.21 lat (usec): min=1218, max=233631, avg=28695.53, stdev=30671.26 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1582], 10.00th=[ 1745], 20.00th=[ 3359], | 30.00th=[ 6915], 40.00th=[ 12518], 50.00th=[ 19006], 60.00th=[ 26346], | 70.00th=[ 36439], 80.00th=[ 48497], 90.00th=[ 73925], 95.00th=[ 89654], | 99.00th=[127402], 99.50th=[135267], 99.90th=[233833], 99.95th=[233833], | 99.99th=[233833] bw ( KiB/s): min= 95, max= 470, per=23.47%, avg=264.51, stdev=82.10, samples=43 iops : min= 5, max= 29, avg=15.84, stdev= 5.19, samples=43 lat (usec) : 250=10.94%, 500=1.30%, 1000=0.13% lat (msec) : 2=7.42%, 4=4.30%, 10=7.16%, 20=13.54%, 50=37.24% lat (msec) : 100=15.76%, 250=2.21% cpu : usr=0.08%, sys=7.67%, ctx=1370, 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=147252: Sun Nov 16 18:34:38 2025 read: IOPS=17, BW=288KiB/s (295kB/s)(6032KiB/20953msec) clat (usec): min=92, max=162575, avg=28466.96, stdev=24743.83 lat (usec): min=92, max=162576, avg=28468.19, stdev=24743.87 clat percentiles (usec): | 1.00th=[ 109], 5.00th=[ 139], 10.00th=[ 153], 20.00th=[ 184], | 30.00th=[ 13960], 40.00th=[ 21627], 50.00th=[ 26346], 60.00th=[ 32113], | 70.00th=[ 40633], 80.00th=[ 47973], 90.00th=[ 58983], 95.00th=[ 71828], | 99.00th=[102237], 99.50th=[124257], 99.90th=[162530], 99.95th=[162530], | 99.99th=[162530] bw ( KiB/s): min= 89, max= 564, per=26.56%, avg=284.44, stdev=94.49, samples=41 iops : min= 5, max= 35, avg=17.05, stdev= 5.97, samples=41 write: IOPS=18, BW=299KiB/s (306kB/s)(6256KiB/20953msec); 0 zone resets clat (usec): min=1261, max=359690, avg=25711.82, stdev=34982.33 lat (usec): min=1262, max=359692, avg=25714.06, stdev=34982.26 clat percentiles (usec): | 1.00th=[ 1385], 5.00th=[ 1516], 10.00th=[ 1598], 20.00th=[ 1909], | 30.00th=[ 4752], 40.00th=[ 8455], 50.00th=[ 12780], 60.00th=[ 20579], | 70.00th=[ 32375], 80.00th=[ 45351], 90.00th=[ 63701], 95.00th=[ 81265], | 99.00th=[139461], 99.50th=[231736], 99.90th=[358613], 99.95th=[358613], | 99.99th=[358613] bw ( KiB/s): min= 63, max= 538, per=26.45%, avg=298.15, stdev=110.47, samples=41 iops : min= 3, max= 33, avg=17.90, stdev= 6.91, samples=41 lat (usec) : 100=0.13%, 250=11.07%, 500=1.43%, 1000=0.13% lat (msec) : 2=10.81%, 4=4.04%, 10=8.72%, 20=12.24%, 50=35.16% lat (msec) : 100=14.19%, 250=1.95%, 500=0.13% cpu : usr=0.06%, sys=7.85%, ctx=1292, 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=1072KiB/s (1098kB/s), 258KiB/s-288KiB/s (265kB/s-295kB/s), io=23.4MiB (24.5MB), run=20953-22344msec WRITE: bw=1128KiB/s (1155kB/s), 270KiB/s-299KiB/s (276kB/s-306kB/s), io=24.6MiB (25.8MB), run=20953-22344msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147254: Sun Nov 16 18:35:12 2025 read: IOPS=6, BW=106KiB/s (109kB/s)(5920KiB/55610msec) clat (msec): min=4, max=198, avg=27.43, stdev=27.24 lat (msec): min=4, max=198, avg=27.43, stdev=27.24 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 14], 40.00th=[ 17], 50.00th=[ 19], 60.00th=[ 21], | 70.00th=[ 26], 80.00th=[ 34], 90.00th=[ 55], 95.00th=[ 83], | 99.00th=[ 159], 99.50th=[ 180], 99.90th=[ 199], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 30, max= 410, per=25.45%, avg=109.16, stdev=71.01, samples=106 iops : min= 1, max= 25, avg= 6.08, stdev= 4.52, samples=106 write: IOPS=7, BW=115KiB/s (117kB/s)(6368KiB/55610msec); 0 zone resets clat (msec): min=43, max=361, avg=114.06, stdev=49.88 lat (msec): min=43, max=361, avg=114.08, stdev=49.89 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 59], 10.00th=[ 67], 20.00th=[ 77], | 30.00th=[ 86], 40.00th=[ 92], 50.00th=[ 103], 60.00th=[ 113], | 70.00th=[ 125], 80.00th=[ 144], 90.00th=[ 174], 95.00th=[ 215], | 99.00th=[ 300], 99.50th=[ 334], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 22, max= 213, per=25.29%, avg=114.33, stdev=45.35, samples=109 iops : min= 1, max= 13, avg= 6.39, stdev= 2.88, samples=109 lat (msec) : 10=4.04%, 20=23.31%, 50=15.63%, 100=28.52%, 250=27.08% lat (msec) : 500=1.43% cpu : usr=0.05%, sys=1.41%, ctx=1358, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147255: Sun Nov 16 18:35:12 2025 read: IOPS=6, BW=103KiB/s (106kB/s)(5744KiB/55736msec) clat (msec): min=6, max=357, avg=27.51, stdev=32.67 lat (msec): min=6, max=357, avg=27.52, stdev=32.67 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 11], 20.00th=[ 13], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 17], 60.00th=[ 21], | 70.00th=[ 25], 80.00th=[ 32], 90.00th=[ 57], 95.00th=[ 80], | 99.00th=[ 157], 99.50th=[ 305], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 22, max= 318, per=26.66%, avg=114.36, stdev=64.55, samples=98 iops : min= 1, max= 19, avg= 6.41, stdev= 4.10, samples=98 write: IOPS=7, BW=117KiB/s (120kB/s)(6544KiB/55736msec); 0 zone resets clat (msec): min=36, max=340, avg=112.01, stdev=49.70 lat (msec): min=36, max=340, avg=112.02, stdev=49.70 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 55], 10.00th=[ 66], 20.00th=[ 78], | 30.00th=[ 86], 40.00th=[ 93], 50.00th=[ 100], 60.00th=[ 109], | 70.00th=[ 122], 80.00th=[ 140], 90.00th=[ 176], 95.00th=[ 215], | 99.00th=[ 300], 99.50th=[ 330], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 31, max= 223, per=26.40%, avg=119.34, stdev=46.17, samples=107 iops : min= 1, max= 13, avg= 6.71, stdev= 2.97, samples=107 lat (msec) : 10=4.56%, 20=22.66%, 50=15.49%, 100=30.08%, 250=25.52% lat (msec) : 500=1.69% cpu : usr=0.04%, sys=1.48%, ctx=1374, 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=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=147256: Sun Nov 16 18:35:12 2025 read: IOPS=7, BW=117KiB/s (120kB/s)(6256KiB/53577msec) clat (msec): min=5, max=302, avg=25.67, stdev=27.01 lat (msec): min=5, max=302, avg=25.67, stdev=27.01 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 16], 50.00th=[ 18], 60.00th=[ 21], | 70.00th=[ 24], 80.00th=[ 30], 90.00th=[ 50], 95.00th=[ 78], | 99.00th=[ 142], 99.50th=[ 176], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 23, max= 447, per=29.64%, avg=127.14, stdev=86.05, samples=97 iops : min= 1, max= 27, avg= 7.19, stdev= 5.42, samples=97 write: IOPS=7, BW=113KiB/s (115kB/s)(6032KiB/53577msec); 0 zone resets clat (msec): min=40, max=456, avg=115.41, stdev=52.53 lat (msec): min=40, max=456, avg=115.41, stdev=52.53 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 61], 10.00th=[ 68], 20.00th=[ 78], | 30.00th=[ 85], 40.00th=[ 92], 50.00th=[ 101], 60.00th=[ 112], | 70.00th=[ 126], 80.00th=[ 146], 90.00th=[ 186], 95.00th=[ 220], | 99.00th=[ 321], 99.50th=[ 347], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 29, max= 192, per=25.01%, avg=113.05, stdev=41.47, samples=104 iops : min= 1, max= 12, avg= 6.31, stdev= 2.68, samples=104 lat (msec) : 10=5.34%, 20=25.00%, 50=16.15%, 100=27.47%, 250=24.87% lat (msec) : 500=1.17% cpu : usr=0.03%, sys=1.49%, ctx=1364, 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=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=147257: Sun Nov 16 18:35:12 2025 read: IOPS=6, BW=109KiB/s (112kB/s)(6032KiB/55371msec) clat (msec): min=6, max=300, avg=28.32, stdev=30.64 lat (msec): min=6, max=300, avg=28.32, stdev=30.64 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 9], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 17], 50.00th=[ 19], 60.00th=[ 21], | 70.00th=[ 26], 80.00th=[ 36], 90.00th=[ 64], 95.00th=[ 83], | 99.00th=[ 153], 99.50th=[ 262], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 29, max= 319, per=26.72%, avg=114.62, stdev=71.35, samples=102 iops : min= 1, max= 19, avg= 6.41, stdev= 4.51, samples=102 write: IOPS=7, BW=113KiB/s (116kB/s)(6256KiB/55371msec); 0 zone resets clat (msec): min=37, max=457, avg=114.18, stdev=50.60 lat (msec): min=37, max=457, avg=114.18, stdev=50.60 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 58], 10.00th=[ 67], 20.00th=[ 78], | 30.00th=[ 86], 40.00th=[ 93], 50.00th=[ 102], 60.00th=[ 111], | 70.00th=[ 124], 80.00th=[ 144], 90.00th=[ 184], 95.00th=[ 224], | 99.00th=[ 292], 99.50th=[ 334], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 30, max= 218, per=25.13%, avg=113.58, stdev=43.61, samples=107 iops : min= 1, max= 13, avg= 6.35, stdev= 2.81, samples=107 lat (msec) : 10=5.86%, 20=22.40%, 50=14.32%, 100=30.34%, 250=25.91% lat (msec) : 500=1.17% cpu : usr=0.05%, sys=1.53%, ctx=1375, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=430KiB/s (440kB/s), 103KiB/s-117KiB/s (106kB/s-120kB/s), io=23.4MiB (24.5MB), run=53577-55736msec WRITE: bw=452KiB/s (463kB/s), 113KiB/s-117KiB/s (115kB/s-120kB/s), io=24.6MiB (25.8MB), run=53577-55736msec 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=147271: Sun Nov 16 18:35:24 2025 read: IOPS=2, BW=2331KiB/s (2387kB/s)(7168KiB/3075msec) clat (msec): min=66, max=1081, avg=262.72, stdev=371.38 lat (msec): min=66, max=1081, avg=262.72, stdev=371.38 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 67], 10.00th=[ 67], 20.00th=[ 79], | 30.00th=[ 85], 40.00th=[ 85], 50.00th=[ 104], 60.00th=[ 107], | 70.00th=[ 107], 80.00th=[ 317], 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= 2000, max= 6000, per=72.19%, avg=4029.00, stdev=2000.63, samples=3 iops : min= 1, max= 5, avg= 3.00, stdev= 2.00, samples=3 write: IOPS=1, BW=1665KiB/s (1705kB/s)(5120KiB/3075msec); 0 zone resets clat (msec): min=135, max=288, avg=217.02, stdev=64.70 lat (msec): min=136, max=292, avg=217.87, stdev=65.77 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 136], | 30.00th=[ 165], 40.00th=[ 165], 50.00th=[ 232], 60.00th=[ 232], | 70.00th=[ 264], 80.00th=[ 264], 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= 2000, max= 4087, per=43.20%, avg=3375.33, stdev=1191.32, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 lat (msec) : 100=25.00%, 250=41.67%, 500=25.00%, 2000=8.33% cpu : usr=0.00%, sys=4.13%, ctx=64, 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=147272: Sun Nov 16 18:35:24 2025 read: IOPS=0, BW=648KiB/s (663kB/s)(2048KiB/3161msec) clat (msec): min=72, max=110, avg=91.29, stdev=26.98 lat (msec): min=72, max=110, avg=91.30, stdev=26.98 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 72], 10.00th=[ 72], 20.00th=[ 72], | 30.00th=[ 72], 40.00th=[ 72], 50.00th=[ 72], 60.00th=[ 111], | 70.00th=[ 111], 80.00th=[ 111], 90.00th=[ 111], 95.00th=[ 111], | 99.00th=[ 111], 99.50th=[ 111], 99.90th=[ 111], 99.95th=[ 111], | 99.99th=[ 111] bw ( KiB/s): min= 1372, max= 2043, per=30.59%, avg=1707.50, stdev=474.47, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3239KiB/s (3317kB/s)(10.0MiB/3161msec); 0 zone resets clat (msec): min=140, max=708, avg=282.08, stdev=212.11 lat (msec): min=140, max=708, avg=282.17, stdev=212.11 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 165], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 279], 90.00th=[ 642], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 2035, max= 4117, per=45.63%, avg=3565.50, stdev=1021.09, samples=4 iops : min= 1, max= 4, avg= 2.75, stdev= 1.26, samples=4 lat (msec) : 100=8.33%, 250=66.67%, 500=8.33%, 750=16.67% cpu : usr=0.13%, sys=5.95%, ctx=63, 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=147273: Sun Nov 16 18:35:24 2025 read: IOPS=1, BW=1675KiB/s (1715kB/s)(6144KiB/3669msec) clat (msec): min=73, max=954, avg=290.76, stdev=349.43 lat (msec): min=73, max=954, avg=290.76, stdev=349.43 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 73], 10.00th=[ 73], 20.00th=[ 79], | 30.00th=[ 79], 40.00th=[ 103], 50.00th=[ 103], 60.00th=[ 125], | 70.00th=[ 414], 80.00th=[ 414], 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= 2000, max= 4087, per=60.48%, avg=3375.33, stdev=1191.32, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1675KiB/s (1715kB/s)(6144KiB/3669msec); 0 zone resets clat (msec): min=130, max=608, avg=312.63, stdev=199.97 lat (msec): min=130, max=608, avg=312.73, stdev=199.96 clat percentiles (msec): | 1.00th=[ 131], 5.00th=[ 131], 10.00th=[ 131], 20.00th=[ 184], | 30.00th=[ 184], 40.00th=[ 203], 50.00th=[ 203], 60.00th=[ 230], | 70.00th=[ 523], 80.00th=[ 523], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 1825, max= 4087, per=38.02%, avg=2970.75, stdev=1199.58, samples=4 iops : min= 1, max= 3, avg= 2.25, stdev= 0.96, samples=4 lat (msec) : 100=16.67%, 250=50.00%, 500=8.33%, 750=16.67%, 1000=8.33% cpu : usr=0.03%, sys=5.15%, ctx=79, 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=147274: Sun Nov 16 18:35:24 2025 read: IOPS=1, BW=1496KiB/s (1532kB/s)(5120KiB/3422msec) clat (msec): min=65, max=236, avg=130.20, stdev=66.49 lat (msec): min=65, max=236, avg=130.20, stdev=66.49 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 66], 10.00th=[ 66], 20.00th=[ 66], | 30.00th=[ 95], 40.00th=[ 95], 50.00th=[ 107], 60.00th=[ 107], | 70.00th=[ 150], 80.00th=[ 150], 90.00th=[ 236], 95.00th=[ 236], | 99.00th=[ 236], 99.50th=[ 236], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 7, max= 7, avg= 7.00, stdev= 0.00, samples=1 write: IOPS=2, BW=2095KiB/s (2145kB/s)(7168KiB/3422msec); 0 zone resets clat (msec): min=102, max=950, avg=387.75, stdev=336.06 lat (msec): min=102, max=950, avg=387.83, stdev=336.06 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 103], 10.00th=[ 103], 20.00th=[ 157], | 30.00th=[ 184], 40.00th=[ 184], 50.00th=[ 243], 60.00th=[ 296], | 70.00th=[ 296], 80.00th=[ 785], 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= 2011, max= 4266, per=38.07%, avg=2975.00, stdev=1129.99, samples=4 iops : min= 1, max= 4, avg= 2.25, stdev= 1.50, samples=4 lat (msec) : 100=16.67%, 250=58.33%, 500=8.33%, 1000=16.67% cpu : usr=0.00%, sys=4.15%, ctx=65, 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=5582KiB/s (5716kB/s), 648KiB/s-2331KiB/s (663kB/s-2387kB/s), io=20.0MiB (20.0MB), run=3075-3669msec WRITE: bw=7815KiB/s (8002kB/s), 1665KiB/s-3239KiB/s (1705kB/s-3317kB/s), io=28.0MiB (29.4MB), run=3075-3669msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147276: Sun Nov 16 18:35:25 2025 read: IOPS=2, BW=2469KiB/s (2528kB/s)(7168KiB/2903msec) clat (usec): min=715, max=353154, avg=171065.32, stdev=118956.71 lat (usec): min=716, max=353155, avg=171066.69, stdev=118956.72 clat percentiles (usec): | 1.00th=[ 717], 5.00th=[ 717], 10.00th=[ 717], 20.00th=[ 58983], | 30.00th=[143655], 40.00th=[143655], 50.00th=[162530], 60.00th=[233833], | 70.00th=[233833], 80.00th=[244319], 90.00th=[354419], 95.00th=[354419], | 99.00th=[354419], 99.50th=[354419], 99.90th=[354419], 99.95th=[354419], | 99.99th=[354419] bw ( KiB/s): min= 1943, max= 4047, per=44.36%, avg=2851.50, stdev=1034.80, samples=4 iops : min= 1, max= 3, avg= 2.00, stdev= 1.15, samples=4 write: IOPS=1, BW=1764KiB/s (1806kB/s)(5120KiB/2903msec); 0 zone resets clat (msec): min=207, max=646, avg=340.80, stdev=182.66 lat (msec): min=207, max=646, avg=340.88, stdev=182.65 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 207], 10.00th=[ 207], 20.00th=[ 207], | 30.00th=[ 215], 40.00th=[ 215], 50.00th=[ 266], 60.00th=[ 266], | 70.00th=[ 368], 80.00th=[ 368], 90.00th=[ 651], 95.00th=[ 651], | 99.00th=[ 651], 99.50th=[ 651], 99.90th=[ 651], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 1943, max= 4023, per=29.62%, avg=2665.67, stdev=1176.31, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 100=8.33%, 250=50.00%, 500=25.00%, 750=8.33% cpu : usr=0.00%, sys=16.40%, ctx=229, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147277: Sun Nov 16 18:35:25 2025 read: IOPS=0, BW=643KiB/s (658kB/s)(2048KiB/3186msec) clat (msec): min=140, max=295, avg=218.04, stdev=109.67 lat (msec): min=140, max=295, avg=218.05, stdev=109.67 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 140], 10.00th=[ 140], 20.00th=[ 140], | 30.00th=[ 140], 40.00th=[ 140], 50.00th=[ 140], 60.00th=[ 296], | 70.00th=[ 296], 80.00th=[ 296], 90.00th=[ 296], 95.00th=[ 296], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 1662, max= 1943, per=28.04%, avg=1802.50, stdev=198.70, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=3, BW=3214KiB/s (3291kB/s)(10.0MiB/3186msec); 0 zone resets clat (msec): min=124, max=543, avg=274.75, stdev=136.28 lat (msec): min=124, max=543, avg=274.88, stdev=136.31 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 125], 10.00th=[ 125], 20.00th=[ 144], | 30.00th=[ 165], 40.00th=[ 218], 50.00th=[ 224], 60.00th=[ 239], | 70.00th=[ 317], 80.00th=[ 330], 90.00th=[ 451], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 2011, max= 6095, per=39.94%, avg=3594.60, stdev=2163.18, samples=5 iops : min= 1, max= 5, avg= 2.60, stdev= 2.19, samples=5 lat (msec) : 250=58.33%, 500=33.33%, 750=8.33% cpu : usr=0.00%, sys=21.82%, ctx=130, 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=147278: Sun Nov 16 18:35:25 2025 read: IOPS=2, BW=2056KiB/s (2105kB/s)(6144KiB/2989msec) clat (usec): min=604, max=314209, avg=191885.36, stdev=123924.02 lat (usec): min=605, max=314210, avg=191886.34, stdev=123924.07 clat percentiles (usec): | 1.00th=[ 603], 5.00th=[ 603], 10.00th=[ 603], 20.00th=[ 76022], | 30.00th=[ 76022], 40.00th=[242222], 50.00th=[242222], 60.00th=[254804], | 70.00th=[265290], 80.00th=[265290], 90.00th=[312476], 95.00th=[312476], | 99.00th=[312476], 99.50th=[312476], 99.90th=[312476], 99.95th=[312476], | 99.99th=[312476] bw ( KiB/s): min= 1943, max= 4047, per=51.92%, avg=3337.67, stdev=1207.88, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=2, BW=2056KiB/s (2105kB/s)(6144KiB/2989msec); 0 zone resets clat (msec): min=123, max=447, avg=305.08, stdev=141.61 lat (msec): min=123, max=447, avg=305.57, stdev=141.69 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 124], 10.00th=[ 124], 20.00th=[ 138], | 30.00th=[ 138], 40.00th=[ 326], 50.00th=[ 326], 60.00th=[ 384], | 70.00th=[ 418], 80.00th=[ 418], 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= 1943, max= 3308, per=25.82%, avg=2323.25, stdev=657.58, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=8.33% lat (msec) : 100=8.33%, 250=25.00%, 500=58.33% cpu : usr=0.17%, sys=18.91%, ctx=255, 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=147279: Sun Nov 16 18:35:25 2025 read: IOPS=1, BW=1711KiB/s (1752kB/s)(5120KiB/2993msec) clat (usec): min=579, max=547107, avg=198523.61, stdev=273450.61 lat (usec): min=581, max=547107, avg=198524.52, stdev=273450.16 clat percentiles (usec): | 1.00th=[ 578], 5.00th=[ 578], 10.00th=[ 578], 20.00th=[ 578], | 30.00th=[ 627], 40.00th=[ 627], 50.00th=[ 644], 60.00th=[ 644], | 70.00th=[442500], 80.00th=[442500], 90.00th=[549454], 95.00th=[549454], | 99.00th=[549454], 99.50th=[549454], 99.90th=[549454], 99.95th=[549454], | 99.99th=[549454] bw ( KiB/s): min= 1943, max= 4023, per=41.43%, avg=2663.00, stdev=1178.47, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=2, BW=2395KiB/s (2452kB/s)(7168KiB/2993msec); 0 zone resets clat (msec): min=135, max=461, avg=285.51, stdev=120.23 lat (msec): min=135, max=461, avg=285.60, stdev=120.22 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 136], 10.00th=[ 136], 20.00th=[ 209], | 30.00th=[ 236], 40.00th=[ 236], 50.00th=[ 257], 60.00th=[ 262], | 70.00th=[ 262], 80.00th=[ 439], 90.00th=[ 460], 95.00th=[ 460], | 99.00th=[ 460], 99.50th=[ 460], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 1812, max= 4047, per=27.32%, avg=2458.25, stdev=1062.98, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (usec) : 750=25.00% lat (msec) : 250=25.00%, 500=41.67%, 750=8.33% cpu : usr=0.07%, sys=17.55%, ctx=265, 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=6428KiB/s (6582kB/s), 643KiB/s-2469KiB/s (658kB/s-2528kB/s), io=20.0MiB (20.0MB), run=2903-3186msec WRITE: bw=8999KiB/s (9215kB/s), 1764KiB/s-3214KiB/s (1806kB/s-3291kB/s), io=28.0MiB (29.4MB), run=2903-3186msec 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=147285: Sun Nov 16 18:35:36 2025 read: IOPS=1, BW=4890KiB/s (5007kB/s)(12.0MiB/2513msec) clat (msec): min=702, max=870, avg=784.92, stdev=84.10 lat (msec): min=702, max=870, avg=784.92, stdev=84.10 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 785], 50.00th=[ 785], 60.00th=[ 785], | 70.00th=[ 869], 80.00th=[ 869], 90.00th=[ 869], 95.00th=[ 869], | 99.00th=[ 869], 99.50th=[ 869], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 8175, max= 8192, per=100.00%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=16.20%, ctx=421, 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=147286: Sun Nov 16 18:35:36 2025 read: IOPS=0, BW=1860KiB/s (1905kB/s)(4096KiB/2202msec) clat (nsec): min=709789k, max=709789k, avg=709788568.00, stdev= 0.00 lat (nsec): min=709791k, max=709791k, avg=709791033.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 709], 5.00th=[ 709], 10.00th=[ 709], 20.00th=[ 709], | 30.00th=[ 709], 40.00th=[ 709], 50.00th=[ 709], 60.00th=[ 709], | 70.00th=[ 709], 80.00th=[ 709], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 709], 99.95th=[ 709], | 99.99th=[ 709] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3720KiB/s (3810kB/s)(8192KiB/2202msec); 0 zone resets clat (msec): min=304, max=1087, avg=696.04, stdev=553.99 lat (msec): min=304, max=1088, avg=696.46, stdev=554.14 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 1083], | 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= 8192, max= 8192, per=65.35%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=7.45%, 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=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=147287: Sun Nov 16 18:35:36 2025 write: IOPS=1, BW=4701KiB/s (4814kB/s)(12.0MiB/2614msec); 0 zone resets clat (msec): min=722, max=980, avg=829.24, stdev=134.80 lat (msec): min=722, max=980, avg=829.70, stdev=134.68 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=[ 978], 80.00th=[ 978], 90.00th=[ 978], 95.00th=[ 978], | 99.00th=[ 978], 99.50th=[ 978], 99.90th=[ 978], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 8126, max= 8192, per=65.09%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=10.26%, ctx=88, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147289: Sun Nov 16 18:35:36 2025 write: IOPS=1, BW=5911KiB/s (6052kB/s)(12.0MiB/2079msec); 0 zone resets clat (msec): min=207, max=1246, avg=633.92, stdev=544.01 lat (msec): min=207, max=1246, avg=634.37, stdev=544.04 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 207], 10.00th=[ 207], 20.00th=[ 207], | 30.00th=[ 207], 40.00th=[ 447], 50.00th=[ 447], 60.00th=[ 447], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 8175, max= 8192, per=65.29%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 250=33.33%, 500=33.33%, 2000=33.33% cpu : usr=0.00%, sys=6.79%, ctx=42, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=6520KiB/s (6676kB/s), 1860KiB/s-4890KiB/s (1905kB/s-5007kB/s), io=16.0MiB (16.8MB), run=2202-2513msec WRITE: bw=12.2MiB/s (12.8MB/s), 3720KiB/s-5911KiB/s (3810kB/s-6052kB/s), io=32.0MiB (33.6MB), run=2079-2614msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147290: Sun Nov 16 18:35:37 2025 read: IOPS=1, BW=5503KiB/s (5635kB/s)(12.0MiB/2233msec) clat (msec): min=319, max=1219, avg=743.82, stdev=452.04 lat (msec): min=319, max=1219, avg=743.82, stdev=452.04 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 321], 10.00th=[ 321], 20.00th=[ 321], | 30.00th=[ 321], 40.00th=[ 693], 50.00th=[ 693], 60.00th=[ 693], | 70.00th=[ 1217], 80.00th=[ 1217], 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= 8143, max= 8159, per=100.00%, avg=8151.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 750=33.33%, 2000=33.33% cpu : usr=0.00%, sys=5.11%, ctx=45, 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=147291: Sun Nov 16 18:35:37 2025 read: IOPS=0, BW=1942KiB/s (1989kB/s)(4096KiB/2109msec) clat (nsec): min=851956k, max=851956k, avg=851956176.00, stdev= 0.00 lat (nsec): min=851958k, max=851958k, avg=851957641.00, 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= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=3884KiB/s (3978kB/s)(8192KiB/2109msec); 0 zone resets clat (msec): min=315, max=939, avg=627.43, stdev=441.16 lat (msec): min=316, max=939, avg=627.90, stdev=441.00 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 317], 10.00th=[ 317], 20.00th=[ 317], | 30.00th=[ 317], 40.00th=[ 317], 50.00th=[ 317], 60.00th=[ 936], | 70.00th=[ 936], 80.00th=[ 936], 90.00th=[ 936], 95.00th=[ 936], | 99.00th=[ 936], 99.50th=[ 936], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 8110, max= 8110, per=64.13%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 500=33.33%, 1000=66.67% cpu : usr=0.00%, sys=4.84%, ctx=33, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=147292: Sun Nov 16 18:35:37 2025 write: IOPS=1, BW=4743KiB/s (4856kB/s)(12.0MiB/2591msec); 0 zone resets clat (msec): min=241, max=1174, avg=862.28, stdev=537.68 lat (msec): min=241, max=1175, avg=862.65, stdev=537.68 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 243], 10.00th=[ 243], 20.00th=[ 243], | 30.00th=[ 243], 40.00th=[ 1167], 50.00th=[ 1167], 60.00th=[ 1167], | 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= 8110, max= 8110, per=64.13%, avg=8110.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 2000=66.67% cpu : usr=0.12%, sys=3.75%, ctx=39, 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=147293: Sun Nov 16 18:35:37 2025 write: IOPS=1, BW=6219KiB/s (6368kB/s)(12.0MiB/1976msec); 0 zone resets clat (msec): min=287, max=1300, avg=648.05, stdev=566.19 lat (msec): min=288, max=1300, avg=648.39, stdev=566.12 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 288], 10.00th=[ 288], 20.00th=[ 288], | 30.00th=[ 288], 40.00th=[ 355], 50.00th=[ 355], 60.00th=[ 355], | 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= 7557, max= 8159, per=62.14%, avg=7858.00, stdev=425.68, 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=0.25%, sys=6.53%, ctx=43, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=7337KiB/s (7513kB/s), 1942KiB/s-5503KiB/s (1989kB/s-5635kB/s), io=16.0MiB (16.8MB), run=2109-2233msec WRITE: bw=12.3MiB/s (12.9MB/s), 3884KiB/s-6219KiB/s (3978kB/s-6368kB/s), io=32.0MiB (33.6MB), run=1976-2591msec