== sanity test 398b: DIO and buffer IO race ============== 06:42:31 (1711104151) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB) copied, 2.07205 s, 24.3 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26284: Fri Mar 22 06:43:25 2024 read: IOPS=31, BW=126KiB/s (129kB/s)(5992KiB/47488msec) clat (usec): min=39, max=313474, avg=12439.16, stdev=13818.24 lat (usec): min=39, max=313476, avg=12443.08, stdev=13818.66 clat percentiles (usec): | 1.00th=[ 64], 5.00th=[ 82], 10.00th=[ 94], 20.00th=[ 111], | 30.00th=[ 5604], 40.00th=[ 8717], 50.00th=[ 10814], 60.00th=[ 12911], | 70.00th=[ 15926], 80.00th=[ 20055], 90.00th=[ 27132], 95.00th=[ 33817], | 99.00th=[ 47449], 99.50th=[ 58459], 99.90th=[101188], 99.95th=[312476], | 99.99th=[312476] bw ( KiB/s): min= 39, max= 231, per=27.86%, avg=137.06, stdev=38.18, samples=86 iops : min= 9, max= 57, avg=33.92, stdev= 9.61, samples=86 write: IOPS=33, BW=133KiB/s (136kB/s)(6296KiB/47488msec) clat (usec): min=463, max=4503.5k, avg=18230.71, stdev=114305.79 lat (usec): min=463, max=4503.5k, avg=18233.73, stdev=114305.69 clat percentiles (usec): | 1.00th=[ 627], 5.00th=[ 701], 10.00th=[ 742], | 20.00th=[ 1004], 30.00th=[ 2442], 40.00th=[ 6521], | 50.00th=[ 11076], 60.00th=[ 15795], 70.00th=[ 20317], | 80.00th=[ 26084], 90.00th=[ 36439], 95.00th=[ 47973], | 99.00th=[ 70779], 99.50th=[ 82314], 99.90th=[ 114820], | 99.95th=[4529849], 99.99th=[4529849] bw ( KiB/s): min= 7, max= 232, per=27.83%, avg=143.35, stdev=40.63, samples=86 iops : min= 1, max= 58, avg=35.50, stdev=10.25, samples=86 lat (usec) : 50=0.03%, 100=6.74%, 250=5.76%, 500=0.39%, 750=5.63% lat (usec) : 1000=4.98% lat (msec) : 2=3.94%, 4=4.49%, 10=14.42%, 20=28.29%, 50=22.53% lat (msec) : 100=2.60%, 250=0.13%, 500=0.03% cpu : usr=0.09%, sys=10.20%, ctx=4987, majf=0, minf=38 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=26285: Fri Mar 22 06:43:25 2024 read: IOPS=30, BW=123KiB/s (126kB/s)(5940KiB/48268msec) clat (usec): min=53, max=153041, avg=12597.03, stdev=12026.34 lat (usec): min=54, max=153042, avg=12599.90, stdev=12026.93 clat percentiles (usec): | 1.00th=[ 66], 5.00th=[ 84], 10.00th=[ 95], 20.00th=[ 113], | 30.00th=[ 6259], 40.00th=[ 8717], 50.00th=[ 10683], 60.00th=[ 12780], | 70.00th=[ 16188], 80.00th=[ 20579], 90.00th=[ 27657], 95.00th=[ 33162], | 99.00th=[ 51119], 99.50th=[ 60031], 99.90th=[ 93848], 99.95th=[152044], | 99.99th=[152044] bw ( KiB/s): min= 7, max= 232, per=27.35%, avg=134.54, stdev=47.74, samples=87 iops : min= 1, max= 58, avg=33.31, stdev=12.01, samples=87 write: IOPS=32, BW=132KiB/s (135kB/s)(6348KiB/48268msec) clat (usec): min=473, max=4590.7k, avg=18532.27, stdev=118208.72 lat (usec): min=473, max=4590.7k, avg=18533.67, stdev=118208.71 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 685], 10.00th=[ 734], | 20.00th=[ 947], 30.00th=[ 2147], 40.00th=[ 5080], | 50.00th=[ 10552], 60.00th=[ 15139], 70.00th=[ 19792], | 80.00th=[ 27132], 90.00th=[ 36963], 95.00th=[ 45351], | 99.00th=[ 72877], 99.50th=[ 91751], 99.90th=[ 868221], | 99.95th=[4596958], 99.99th=[4596958] bw ( KiB/s): min= 23, max= 232, per=27.80%, avg=143.15, stdev=41.60, samples=87 iops : min= 5, max= 58, avg=35.47, stdev=10.44, samples=87 lat (usec) : 100=6.28%, 250=5.05%, 500=0.59%, 750=6.15%, 1000=4.92% lat (msec) : 2=4.49%, 4=4.85%, 10=15.40%, 20=26.92%, 50=23.11% lat (msec) : 100=2.05%, 250=0.10%, 500=0.03%, 1000=0.03% cpu : usr=0.09%, sys=9.97%, ctx=5051, majf=0, minf=36 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=26286: Fri Mar 22 06:43:25 2024 read: IOPS=30, BW=124KiB/s (127kB/s)(6028KiB/48758msec) clat (usec): min=52, max=156235, avg=12360.79, stdev=12449.60 lat (usec): min=53, max=156236, avg=12364.35, stdev=12454.41 clat percentiles (usec): | 1.00th=[ 63], 5.00th=[ 78], 10.00th=[ 93], 20.00th=[ 111], | 30.00th=[ 5080], 40.00th=[ 8225], 50.00th=[ 10552], 60.00th=[ 12780], | 70.00th=[ 15533], 80.00th=[ 20317], 90.00th=[ 27395], 95.00th=[ 33817], | 99.00th=[ 51643], 99.50th=[ 57410], 99.90th=[101188], 99.95th=[156238], | 99.99th=[156238] bw ( KiB/s): min= 40, max= 280, per=27.40%, avg=134.78, stdev=44.34, samples=88 iops : min= 10, max= 70, avg=33.35, stdev=11.12, samples=88 write: IOPS=32, BW=128KiB/s (131kB/s)(6260KiB/48758msec) clat (usec): min=518, max=4755.9k, avg=19148.48, stdev=121198.85 lat (usec): min=519, max=4755.9k, avg=19154.50, stdev=121199.73 clat percentiles (usec): | 1.00th=[ 619], 5.00th=[ 693], 10.00th=[ 742], | 20.00th=[ 1188], 30.00th=[ 3032], 40.00th=[ 6980], | 50.00th=[ 11994], 60.00th=[ 15926], 70.00th=[ 20841], | 80.00th=[ 27132], 90.00th=[ 39584], 95.00th=[ 51119], | 99.00th=[ 69731], 99.50th=[ 78119], 99.90th=[ 333448], | 99.95th=[4731175], 99.99th=[4731175] bw ( KiB/s): min= 40, max= 279, per=27.13%, avg=139.70, stdev=43.36, samples=88 iops : min= 10, max= 69, avg=34.59, stdev=10.83, samples=88 lat (usec) : 100=6.80%, 250=5.99%, 500=0.33%, 750=5.70%, 1000=3.45% lat (msec) : 2=4.52%, 4=4.52%, 10=15.30%, 20=27.25%, 50=22.92% lat (msec) : 100=3.06%, 250=0.10%, 500=0.03% cpu : usr=0.10%, sys=10.00%, ctx=5061, majf=0, minf=34 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=26287: Fri Mar 22 06:43:25 2024 read: IOPS=31, BW=124KiB/s (127kB/s)(6052KiB/48632msec) clat (usec): min=39, max=5034.0k, avg=15317.02, stdev=129654.55 lat (usec): min=39, max=5034.0k, avg=15318.50, stdev=129654.54 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 74], 10.00th=[ 93], | 20.00th=[ 109], 30.00th=[ 2245], 40.00th=[ 8094], | 50.00th=[ 10028], 60.00th=[ 12649], 70.00th=[ 15664], | 80.00th=[ 20579], 90.00th=[ 27919], 95.00th=[ 34341], | 99.00th=[ 49021], 99.50th=[ 54789], 99.90th=[ 99091], | 99.95th=[5066720], 99.99th=[5066720] bw ( KiB/s): min= 32, max= 311, per=28.01%, avg=137.80, stdev=48.80, samples=87 iops : min= 8, max= 77, avg=34.17, stdev=12.18, samples=87 write: IOPS=32, BW=128KiB/s (131kB/s)(6236KiB/48632msec) clat (usec): min=495, max=305685, avg=16241.43, stdev=19407.41 lat (usec): min=496, max=305687, avg=16244.39, stdev=19408.80 clat percentiles (usec): | 1.00th=[ 611], 5.00th=[ 685], 10.00th=[ 734], 20.00th=[ 1156], | 30.00th=[ 2999], 40.00th=[ 6063], 50.00th=[ 11863], 60.00th=[ 16057], | 70.00th=[ 20579], 80.00th=[ 27395], 90.00th=[ 38536], 95.00th=[ 47973], | 99.00th=[ 76022], 99.50th=[ 99091], 99.90th=[191890], 99.95th=[304088], | 99.99th=[304088] bw ( KiB/s): min= 8, max= 287, per=27.24%, avg=140.27, stdev=43.44, samples=88 iops : min= 2, max= 71, avg=34.78, stdev=10.83, samples=88 lat (usec) : 50=0.03%, 100=7.75%, 250=5.47%, 500=0.65%, 750=6.18% lat (usec) : 1000=3.78% lat (msec) : 2=3.45%, 4=5.24%, 10=15.27%, 20=26.01%, 50=23.54% lat (msec) : 100=2.38%, 250=0.20%, 500=0.03% cpu : usr=0.10%, sys=9.80%, ctx=5002, majf=0, minf=35 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=492KiB/s (504kB/s), 123KiB/s-126KiB/s (126kB/s-129kB/s), io=23.4MiB (24.6MB), run=47488-48758msec WRITE: bw=516KiB/s (528kB/s), 128KiB/s-133KiB/s (131kB/s-136kB/s), io=24.6MiB (25.7MB), run=47488-48758msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26288: Fri Mar 22 06:45:13 2024 read: IOPS=9, BW=38.4KiB/s (39.3kB/s)(5992KiB/156058msec) clat (msec): min=2, max=776, avg=12.16, stdev=23.94 lat (msec): min=2, max=776, avg=12.16, stdev=23.94 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 11], 80.00th=[ 15], 90.00th=[ 23], 95.00th=[ 33], | 99.00th=[ 52], 99.50th=[ 62], 99.90th=[ 347], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 7, max= 136, per=26.73%, avg=40.63, stdev=27.40, samples=290 iops : min= 1, max= 34, avg= 9.85, stdev= 6.93, samples=290 write: IOPS=10, BW=40.3KiB/s (41.3kB/s)(6296KiB/156058msec) clat (msec): min=22, max=4597, avg=87.49, stdev=120.61 lat (msec): min=22, max=4597, avg=87.49, stdev=120.61 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 42], 10.00th=[ 47], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 68], 50.00th=[ 75], 60.00th=[ 83], | 70.00th=[ 93], 80.00th=[ 107], 90.00th=[ 138], 95.00th=[ 167], | 99.00th=[ 226], 99.50th=[ 253], 99.90th=[ 384], 99.95th=[ 4597], | 99.99th=[ 4597] bw ( KiB/s): min= 8, max= 79, per=25.90%, avg=41.18, stdev=15.55, samples=301 iops : min= 2, max= 19, avg= 9.98, stdev= 3.99, samples=301 lat (msec) : 4=2.12%, 10=29.26%, 20=11.59%, 50=12.50%, 100=32.16% lat (msec) : 250=12.04%, 500=0.26%, 1000=0.03% cpu : usr=0.08%, sys=2.10%, ctx=3426, majf=0, minf=33 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=26289: Fri Mar 22 06:45:13 2024 read: IOPS=9, BW=37.7KiB/s (38.6kB/s)(5940KiB/157509msec) clat (msec): min=2, max=249, avg=11.92, stdev=12.55 lat (msec): min=2, max=249, avg=11.92, stdev=12.55 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 12], 80.00th=[ 15], 90.00th=[ 23], 95.00th=[ 35], | 99.00th=[ 56], 99.50th=[ 68], 99.90th=[ 134], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 7, max= 119, per=26.82%, avg=40.76, stdev=24.99, samples=288 iops : min= 1, max= 29, avg= 9.95, stdev= 6.26, samples=288 write: IOPS=10, BW=40.3KiB/s (41.3kB/s)(6348KiB/157509msec) clat (msec): min=23, max=4835, avg=88.02, stdev=126.00 lat (msec): min=23, max=4835, avg=88.02, stdev=126.00 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 43], 10.00th=[ 47], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 68], 50.00th=[ 75], 60.00th=[ 83], | 70.00th=[ 92], 80.00th=[ 109], 90.00th=[ 138], 95.00th=[ 169], | 99.00th=[ 239], 99.50th=[ 259], 99.90th=[ 317], 99.95th=[ 4866], | 99.99th=[ 4866] bw ( KiB/s): min= 7, max= 80, per=25.87%, avg=41.14, stdev=15.18, samples=304 iops : min= 1, max= 20, avg=10.04, stdev= 3.86, samples=304 lat (msec) : 4=1.82%, 10=28.39%, 20=12.40%, 50=11.52%, 100=33.33% lat (msec) : 250=12.17%, 500=0.33% cpu : usr=0.03%, sys=2.12%, ctx=3476, majf=0, minf=34 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=26290: Fri Mar 22 06:45:13 2024 read: IOPS=9, BW=38.4KiB/s (39.3kB/s)(6028KiB/156912msec) clat (msec): min=2, max=4183, avg=15.59, stdev=108.13 lat (msec): min=2, max=4183, avg=15.59, stdev=108.13 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 11], | 70.00th=[ 13], 80.00th=[ 17], 90.00th=[ 27], 95.00th=[ 37], | 99.00th=[ 58], 99.50th=[ 68], 99.90th=[ 171], 99.95th=[ 4178], | 99.99th=[ 4178] bw ( KiB/s): min= 7, max= 144, per=26.23%, avg=39.88, stdev=24.98, samples=298 iops : min= 1, max= 36, avg= 9.68, stdev= 6.32, samples=298 write: IOPS=9, BW=39.9KiB/s (40.9kB/s)(6260KiB/156912msec) clat (msec): min=21, max=385, avg=85.17, stdev=40.28 lat (msec): min=21, max=385, avg=85.17, stdev=40.28 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 41], 10.00th=[ 46], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 69], 50.00th=[ 77], 60.00th=[ 85], | 70.00th=[ 95], 80.00th=[ 110], 90.00th=[ 136], 95.00th=[ 165], | 99.00th=[ 230], 99.50th=[ 255], 99.90th=[ 305], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 7, max= 88, per=25.42%, avg=40.42, stdev=15.85, samples=305 iops : min= 1, max= 22, avg= 9.82, stdev= 4.04, samples=305 lat (msec) : 4=1.99%, 10=27.08%, 20=12.60%, 50=13.96%, 100=31.02% lat (msec) : 250=12.99%, 500=0.33% cpu : usr=0.07%, sys=2.12%, ctx=3516, majf=0, minf=33 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=26291: Fri Mar 22 06:45:13 2024 read: IOPS=9, BW=38.9KiB/s (39.9kB/s)(6052KiB/155459msec) clat (msec): min=2, max=169, avg=12.06, stdev=11.33 lat (msec): min=2, max=169, avg=12.06, stdev=11.33 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 12], 80.00th=[ 16], 90.00th=[ 24], 95.00th=[ 35], | 99.00th=[ 57], 99.50th=[ 68], 99.90th=[ 95], 99.95th=[ 169], | 99.99th=[ 169] bw ( KiB/s): min= 7, max= 136, per=27.62%, avg=41.98, stdev=24.88, samples=285 iops : min= 1, max= 34, avg=10.21, stdev= 6.26, samples=285 write: IOPS=10, BW=40.1KiB/s (41.1kB/s)(6236KiB/155459msec) clat (msec): min=25, max=4594, avg=87.93, stdev=121.29 lat (msec): min=25, max=4594, avg=87.94, stdev=121.29 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 43], 10.00th=[ 48], 20.00th=[ 55], | 30.00th=[ 62], 40.00th=[ 68], 50.00th=[ 74], 60.00th=[ 82], | 70.00th=[ 92], 80.00th=[ 107], 90.00th=[ 138], 95.00th=[ 174], | 99.00th=[ 232], 99.50th=[ 257], 99.90th=[ 363], 99.95th=[ 4597], | 99.99th=[ 4597] bw ( KiB/s): min= 8, max= 80, per=25.64%, avg=40.77, stdev=15.60, samples=302 iops : min= 2, max= 20, avg= 9.92, stdev= 3.99, samples=302 lat (msec) : 4=1.43%, 10=29.04%, 20=12.60%, 50=11.88%, 100=33.01% lat (msec) : 250=11.69%, 500=0.33% cpu : usr=0.05%, sys=2.17%, ctx=3485, majf=0, minf=33 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=152KiB/s (156kB/s), 37.7KiB/s-38.9KiB/s (38.6kB/s-39.9kB/s), io=23.4MiB (24.6MB), run=155459-157509msec WRITE: bw=160KiB/s (163kB/s), 39.9KiB/s-40.3KiB/s (40.9kB/s-41.3kB/s), io=24.6MiB (25.7MB), run=155459-157509msec 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-3.7 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-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26440: Fri Mar 22 06:45:28 2024 read: IOPS=29, BW=470KiB/s (481kB/s)(5920KiB/12598msec) clat (usec): min=56, max=107437, avg=26148.68, stdev=18659.61 lat (usec): min=56, max=107439, avg=26149.79, stdev=18659.66 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 84], 10.00th=[ 98], 20.00th=[ 163], | 30.00th=[ 20317], 40.00th=[ 24511], 50.00th=[ 27395], 60.00th=[ 30540], | 70.00th=[ 33817], 80.00th=[ 39060], 90.00th=[ 48497], 95.00th=[ 57934], | 99.00th=[ 78119], 99.50th=[ 89654], 99.90th=[107480], 99.95th=[107480], | 99.99th=[107480] bw ( KiB/s): min= 223, max= 736, per=25.66%, avg=469.00, stdev=141.86, samples=25 iops : min= 13, max= 46, avg=29.04, stdev= 8.79, samples=25 write: IOPS=31, BW=505KiB/s (518kB/s)(6368KiB/12598msec) clat (usec): min=675, max=81260, avg=7299.96, stdev=10656.21 lat (usec): min=677, max=81263, avg=7301.81, stdev=10656.32 clat percentiles (usec): | 1.00th=[ 865], 5.00th=[ 947], 10.00th=[ 979], 20.00th=[ 1074], | 30.00th=[ 1221], 40.00th=[ 1532], 50.00th=[ 2376], 60.00th=[ 5276], | 70.00th=[ 8029], 80.00th=[11731], 90.00th=[17957], 95.00th=[28705], | 99.00th=[64750], 99.50th=[74974], 99.90th=[81265], 99.95th=[81265], | 99.99th=[81265] bw ( KiB/s): min= 159, max= 1056, per=26.26%, avg=504.96, stdev=234.69, samples=25 iops : min= 9, max= 66, avg=31.28, stdev=14.77, samples=25 lat (usec) : 100=5.47%, 250=4.82%, 500=0.52%, 750=0.39%, 1000=6.25% lat (msec) : 2=17.71%, 4=5.47%, 10=9.51%, 20=12.11%, 50=32.68% lat (msec) : 100=4.95%, 250=0.13% cpu : usr=0.16%, sys=12.65%, ctx=1915, majf=0, minf=36 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=26441: Fri Mar 22 06:45:28 2024 read: IOPS=27, BW=439KiB/s (449kB/s)(5744KiB/13099msec) clat (usec): min=60, max=90204, avg=24402.39, stdev=17754.13 lat (usec): min=61, max=90205, avg=24406.89, stdev=17754.13 clat percentiles (usec): | 1.00th=[ 71], 5.00th=[ 86], 10.00th=[ 98], 20.00th=[ 113], | 30.00th=[19268], 40.00th=[23200], 50.00th=[25822], 60.00th=[30016], | 70.00th=[33817], 80.00th=[38536], 90.00th=[44303], 95.00th=[51119], | 99.00th=[67634], 99.50th=[87557], 99.90th=[90702], 99.95th=[90702], | 99.99th=[90702] bw ( KiB/s): min= 63, max= 768, per=24.32%, avg=444.50, stdev=178.89, samples=24 iops : min= 3, max= 48, avg=27.38, stdev=11.21, samples=24 write: IOPS=31, BW=500KiB/s (512kB/s)(6544KiB/13099msec) clat (usec): min=706, max=152306, avg=10564.64, stdev=19803.26 lat (usec): min=707, max=152309, avg=10567.01, stdev=19803.06 clat percentiles (usec): | 1.00th=[ 816], 5.00th=[ 914], 10.00th=[ 1012], 20.00th=[ 1156], | 30.00th=[ 1385], 40.00th=[ 1958], 50.00th=[ 3654], 60.00th=[ 6587], | 70.00th=[ 9765], 80.00th=[ 12780], 90.00th=[ 23725], 95.00th=[ 41681], | 99.00th=[ 96994], 99.50th=[141558], 99.90th=[152044], 99.95th=[152044], | 99.99th=[152044] bw ( KiB/s): min= 128, max= 1312, per=24.92%, avg=479.12, stdev=286.42, samples=25 iops : min= 8, max= 82, avg=29.56, stdev=17.93, samples=25 lat (usec) : 100=5.60%, 250=6.25%, 500=0.26%, 750=0.13%, 1000=4.56% lat (msec) : 2=17.32%, 4=5.99%, 10=9.77%, 20=11.98%, 50=32.94% lat (msec) : 100=4.69%, 250=0.52% cpu : usr=0.06%, sys=12.25%, ctx=1879, majf=0, minf=34 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=26442: Fri Mar 22 06:45:28 2024 read: IOPS=30, BW=491KiB/s (503kB/s)(6256KiB/12738msec) clat (usec): min=64, max=165229, avg=24638.57, stdev=19006.60 lat (usec): min=65, max=165230, avg=24640.33, stdev=19005.78 clat percentiles (usec): | 1.00th=[ 70], 5.00th=[ 81], 10.00th=[ 98], 20.00th=[ 118], | 30.00th=[ 18220], 40.00th=[ 23725], 50.00th=[ 26870], 60.00th=[ 29492], | 70.00th=[ 32900], 80.00th=[ 37487], 90.00th=[ 43779], 95.00th=[ 52691], | 99.00th=[ 71828], 99.50th=[ 84411], 99.90th=[164627], 99.95th=[164627], | 99.99th=[164627] bw ( KiB/s): min= 192, max= 1120, per=26.77%, avg=489.40, stdev=189.94, samples=25 iops : min= 12, max= 70, avg=30.20, stdev=11.84, samples=25 write: IOPS=29, BW=474KiB/s (485kB/s)(6032KiB/12738msec) clat (usec): min=771, max=128462, avg=8179.05, stdev=11944.61 lat (usec): min=772, max=128464, avg=8181.12, stdev=11944.66 clat percentiles (usec): | 1.00th=[ 840], 5.00th=[ 930], 10.00th=[ 996], 20.00th=[ 1123], | 30.00th=[ 1336], 40.00th=[ 1991], 50.00th=[ 3425], 60.00th=[ 6915], | 70.00th=[ 9372], 80.00th=[ 12649], 90.00th=[ 19792], 95.00th=[ 26608], | 99.00th=[ 56886], 99.50th=[ 82314], 99.90th=[128451], 99.95th=[128451], | 99.99th=[128451] bw ( KiB/s): min= 160, max= 1056, per=24.25%, avg=466.40, stdev=201.04, samples=25 iops : min= 10, max= 66, avg=28.76, stdev=12.50, samples=25 lat (usec) : 100=6.25%, 250=6.12%, 500=0.78%, 750=0.13%, 1000=4.95% lat (msec) : 2=14.84%, 4=5.47%, 10=10.55%, 20=12.24%, 50=35.29% lat (msec) : 100=3.12%, 250=0.26% cpu : usr=0.14%, sys=12.51%, ctx=1988, majf=0, minf=34 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=26443: Fri Mar 22 06:45:28 2024 read: IOPS=29, BW=472KiB/s (484kB/s)(6032KiB/12768msec) clat (usec): min=58, max=141983, avg=25027.03, stdev=18600.65 lat (usec): min=58, max=141985, avg=25028.89, stdev=18600.83 clat percentiles (usec): | 1.00th=[ 69], 5.00th=[ 89], 10.00th=[ 98], 20.00th=[ 117], | 30.00th=[ 19006], 40.00th=[ 23200], 50.00th=[ 27132], 60.00th=[ 30540], | 70.00th=[ 34341], 80.00th=[ 38536], 90.00th=[ 43254], 95.00th=[ 50594], | 99.00th=[ 70779], 99.50th=[117965], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 128, max= 832, per=25.47%, avg=465.52, stdev=165.02, samples=25 iops : min= 8, max= 52, avg=28.92, stdev=10.42, samples=25 write: IOPS=30, BW=490KiB/s (502kB/s)(6256KiB/12768msec) clat (usec): min=735, max=112863, avg=8484.44, stdev=13568.71 lat (usec): min=736, max=112866, avg=8486.42, stdev=13568.83 clat percentiles (usec): | 1.00th=[ 816], 5.00th=[ 930], 10.00th=[ 996], 20.00th=[ 1090], | 30.00th=[ 1237], 40.00th=[ 1827], 50.00th=[ 2868], 60.00th=[ 5735], | 70.00th=[ 9372], 80.00th=[ 12518], 90.00th=[ 20055], 95.00th=[ 30016], | 99.00th=[ 85459], 99.50th=[103285], 99.90th=[112722], 99.95th=[112722], | 99.99th=[112722] bw ( KiB/s): min= 191, max= 960, per=25.34%, avg=487.24, stdev=188.98, samples=25 iops : min= 11, max= 60, avg=30.28, stdev=11.87, samples=25 lat (usec) : 100=5.60%, 250=5.73%, 500=0.39%, 750=0.39%, 1000=5.34% lat (msec) : 2=16.54%, 4=5.60%, 10=9.64%, 20=11.98%, 50=35.29% lat (msec) : 100=2.99%, 250=0.52% cpu : usr=0.12%, sys=12.07%, ctx=1921, majf=0, minf=31 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=1829KiB/s (1872kB/s), 439KiB/s-491KiB/s (449kB/s-503kB/s), io=23.4MiB (24.5MB), run=12598-13099msec WRITE: bw=1924KiB/s (1970kB/s), 474KiB/s-505KiB/s (485kB/s-518kB/s), io=24.6MiB (25.8MB), run=12598-13099msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26435: Fri Mar 22 06:45:50 2024 read: IOPS=10, BW=168KiB/s (172kB/s)(5920KiB/35185msec) clat (usec): min=3460, max=66813, avg=10693.14, stdev=9546.60 lat (usec): min=3462, max=66815, avg=10697.06, stdev=9548.14 clat percentiles (usec): | 1.00th=[ 3916], 5.00th=[ 4359], 10.00th=[ 4817], 20.00th=[ 5473], | 30.00th=[ 6194], 40.00th=[ 6718], 50.00th=[ 7570], 60.00th=[ 8291], | 70.00th=[ 9765], 80.00th=[13042], 90.00th=[19006], 95.00th=[26608], | 99.00th=[60556], 99.50th=[66323], 99.90th=[66847], 99.95th=[66847], | 99.99th=[66847] bw ( KiB/s): min= 32, max= 416, per=25.19%, avg=170.26, stdev=89.72, samples=69 iops : min= 2, max= 26, avg=10.30, stdev= 5.61, samples=69 write: IOPS=11, BW=181KiB/s (185kB/s)(6368KiB/35185msec) clat (msec): min=23, max=210, avg=78.41, stdev=30.76 lat (msec): min=23, max=210, avg=78.42, stdev=30.76 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 39], 10.00th=[ 46], 20.00th=[ 54], | 30.00th=[ 60], 40.00th=[ 65], 50.00th=[ 71], 60.00th=[ 81], | 70.00th=[ 90], 80.00th=[ 104], 90.00th=[ 120], 95.00th=[ 136], | 99.00th=[ 186], 99.50th=[ 188], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 64, max= 320, per=25.34%, avg=180.17, stdev=54.42, samples=70 iops : min= 4, max= 20, avg=10.91, stdev= 3.40, samples=70 lat (msec) : 4=0.65%, 10=33.59%, 20=9.24%, 50=11.72%, 100=33.46% lat (msec) : 250=11.33% cpu : usr=0.03%, sys=2.75%, ctx=860, majf=0, minf=31 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=26436: Fri Mar 22 06:45:50 2024 read: IOPS=10, BW=162KiB/s (166kB/s)(5744KiB/35394msec) clat (usec): min=3697, max=70594, avg=10995.06, stdev=8750.17 lat (usec): min=3826, max=70596, avg=10997.07, stdev=8750.02 clat percentiles (usec): | 1.00th=[ 3982], 5.00th=[ 4555], 10.00th=[ 5211], 20.00th=[ 5932], | 30.00th=[ 6783], 40.00th=[ 7308], 50.00th=[ 8356], 60.00th=[ 9372], | 70.00th=[10290], 80.00th=[13042], 90.00th=[19530], 95.00th=[30016], | 99.00th=[47973], 99.50th=[58459], 99.90th=[70779], 99.95th=[70779], | 99.99th=[70779] bw ( KiB/s): min= 31, max= 384, per=24.16%, avg=163.30, stdev=90.78, samples=69 iops : min= 1, max= 24, avg= 9.86, stdev= 5.72, samples=69 write: IOPS=11, BW=185KiB/s (189kB/s)(6544KiB/35394msec) clat (msec): min=24, max=252, avg=76.84, stdev=30.53 lat (msec): min=24, max=252, avg=76.85, stdev=30.53 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 39], 10.00th=[ 45], 20.00th=[ 53], | 30.00th=[ 58], 40.00th=[ 64], 50.00th=[ 72], 60.00th=[ 79], | 70.00th=[ 90], 80.00th=[ 101], 90.00th=[ 113], 95.00th=[ 134], | 99.00th=[ 167], 99.50th=[ 180], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] bw ( KiB/s): min= 64, max= 320, per=25.85%, avg=183.77, stdev=54.98, samples=70 iops : min= 4, max= 20, avg=11.14, stdev= 3.41, samples=70 lat (msec) : 4=0.52%, 10=30.47%, 20=11.59%, 50=13.15%, 100=33.72% lat (msec) : 250=10.42%, 500=0.13% cpu : usr=0.03%, sys=2.66%, ctx=862, majf=0, minf=32 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=26437: Fri Mar 22 06:45:50 2024 read: IOPS=11, BW=183KiB/s (187kB/s)(6256KiB/34216msec) clat (msec): min=3, max=159, avg=11.56, stdev=12.52 lat (msec): min=3, max=159, avg=11.57, stdev=12.51 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 11], 80.00th=[ 14], 90.00th=[ 20], 95.00th=[ 34], | 99.00th=[ 66], 99.50th=[ 79], 99.90th=[ 161], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 32, max= 448, per=27.57%, avg=186.36, stdev=100.50, samples=67 iops : min= 2, max= 28, avg=11.36, stdev= 6.25, samples=67 write: IOPS=11, BW=176KiB/s (181kB/s)(6032KiB/34216msec) clat (msec): min=28, max=189, avg=78.71, stdev=29.74 lat (msec): min=28, max=189, avg=78.71, stdev=29.74 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 40], 10.00th=[ 47], 20.00th=[ 53], | 30.00th=[ 60], 40.00th=[ 68], 50.00th=[ 74], 60.00th=[ 82], | 70.00th=[ 90], 80.00th=[ 102], 90.00th=[ 121], 95.00th=[ 136], | 99.00th=[ 165], 99.50th=[ 190], 99.90th=[ 190], 99.95th=[ 190], | 99.99th=[ 190] bw ( KiB/s): min= 64, max= 288, per=24.64%, avg=175.16, stdev=53.36, samples=68 iops : min= 4, max= 18, avg=10.66, stdev= 3.32, samples=68 lat (msec) : 4=0.78%, 10=32.16%, 20=13.02%, 50=11.72%, 100=31.64% lat (msec) : 250=10.68% cpu : usr=0.01%, sys=2.83%, ctx=862, majf=0, minf=32 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=26439: Fri Mar 22 06:45:50 2024 read: IOPS=10, BW=172KiB/s (176kB/s)(6032KiB/35172msec) clat (msec): min=3, max=105, avg=11.71, stdev=11.46 lat (msec): min=3, max=105, avg=11.71, stdev=11.46 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 6], | 30.00th=[ 7], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 10], | 70.00th=[ 11], 80.00th=[ 13], 90.00th=[ 21], 95.00th=[ 34], | 99.00th=[ 66], 99.50th=[ 72], 99.90th=[ 107], 99.95th=[ 107], | 99.99th=[ 107] bw ( KiB/s): min= 32, max= 416, per=25.84%, avg=174.68, stdev=99.14, samples=68 iops : min= 2, max= 26, avg=10.57, stdev= 6.21, samples=68 write: IOPS=11, BW=178KiB/s (182kB/s)(6256KiB/35172msec) clat (msec): min=24, max=210, avg=78.63, stdev=30.79 lat (msec): min=24, max=210, avg=78.63, stdev=30.79 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 40], 10.00th=[ 46], 20.00th=[ 54], | 30.00th=[ 60], 40.00th=[ 66], 50.00th=[ 72], 60.00th=[ 81], | 70.00th=[ 90], 80.00th=[ 102], 90.00th=[ 120], 95.00th=[ 136], | 99.00th=[ 182], 99.50th=[ 199], 99.90th=[ 211], 99.95th=[ 211], | 99.99th=[ 211] bw ( KiB/s): min= 63, max= 320, per=24.96%, avg=177.44, stdev=52.77, samples=70 iops : min= 3, max= 20, avg=10.74, stdev= 3.37, samples=70 lat (msec) : 4=0.78%, 10=32.68%, 20=10.81%, 50=11.85%, 100=33.07% lat (msec) : 250=10.81% cpu : usr=0.00%, sys=2.74%, ctx=875, majf=0, minf=33 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=677KiB/s (693kB/s), 162KiB/s-183KiB/s (166kB/s-187kB/s), io=23.4MiB (24.5MB), run=34216-35394msec WRITE: bw=712KiB/s (729kB/s), 176KiB/s-185KiB/s (181kB/s-189kB/s), io=24.6MiB (25.8MB), run=34216-35394msec 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26483: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=1016KiB/s (1040kB/s)(7168KiB/7057msec) clat (msec): min=70, max=1872, avg=942.71, stdev=800.64 lat (msec): min=70, max=1872, avg=942.71, stdev=800.64 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 71], 10.00th=[ 71], 20.00th=[ 133], | 30.00th=[ 138], 40.00th=[ 138], 50.00th=[ 1267], 60.00th=[ 1418], | 70.00th=[ 1418], 80.00th=[ 1720], 90.00th=[ 1871], 95.00th=[ 1871], | 99.00th=[ 1871], 99.50th=[ 1871], 99.90th=[ 1871], 99.95th=[ 1871], | 99.99th=[ 1871] bw ( KiB/s): min= 2019, max= 4071, per=100.00%, avg=2445.80, stdev=908.59, samples=5 iops : min= 1, max= 3, avg= 1.80, stdev= 0.84, samples=5 write: IOPS=0, BW=726KiB/s (743kB/s)(5120KiB/7057msec) clat (msec): min=27, max=175, avg=91.27, stdev=60.15 lat (msec): min=27, max=176, avg=91.33, stdev=60.16 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 28], 10.00th=[ 28], 20.00th=[ 28], | 30.00th=[ 40], 40.00th=[ 40], 50.00th=[ 106], 60.00th=[ 106], | 70.00th=[ 109], 80.00th=[ 109], 90.00th=[ 176], 95.00th=[ 176], | 99.00th=[ 176], 99.50th=[ 176], 99.90th=[ 176], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 2019, max= 4071, per=97.63%, avg=2545.25, stdev=1017.25, samples=4 iops : min= 1, max= 3, avg= 1.75, stdev= 0.96, samples=4 lat (msec) : 50=16.67%, 100=8.33%, 250=41.67% cpu : usr=0.04%, sys=21.39%, ctx=1248, majf=0, minf=33 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=26484: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=397KiB/s (407kB/s)(2048KiB/5158msec) clat (msec): min=113, max=2586, avg=1350.19, stdev=1748.46 lat (msec): min=113, max=2586, avg=1350.19, stdev=1748.46 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 114], 10.00th=[ 114], 20.00th=[ 114], | 30.00th=[ 114], 40.00th=[ 114], 50.00th=[ 114], 60.00th=[ 2601], | 70.00th=[ 2601], 80.00th=[ 2601], 90.00th=[ 2601], 95.00th=[ 2601], | 99.00th=[ 2601], 99.50th=[ 2601], 99.90th=[ 2601], 99.95th=[ 2601], | 99.99th=[ 2601] bw ( KiB/s): min= 2048, max= 2048, per=100.00%, avg=2048.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1985KiB/s (2033kB/s)(10.0MiB/5158msec) clat (msec): min=33, max=1764, avg=245.47, stdev=535.43 lat (msec): min=33, max=1764, avg=245.54, stdev=535.43 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 34], 10.00th=[ 34], 20.00th=[ 35], | 30.00th=[ 37], 40.00th=[ 40], 50.00th=[ 52], 60.00th=[ 97], | 70.00th=[ 129], 80.00th=[ 129], 90.00th=[ 150], 95.00th=[ 1770], | 99.00th=[ 1770], 99.50th=[ 1770], 99.90th=[ 1770], 99.95th=[ 1770], | 99.99th=[ 1770] bw ( KiB/s): min= 4087, max= 6144, per=100.00%, avg=5115.50, stdev=1454.52, samples=2 iops : min= 3, max= 6, avg= 4.50, stdev= 2.12, samples=2 lat (msec) : 50=33.33%, 100=16.67%, 250=33.33% cpu : usr=0.00%, sys=7.93%, ctx=406, majf=0, minf=34 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=26485: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=559KiB/s (573kB/s)(6144KiB/10989msec) clat (usec): min=363, max=1549.7k, avg=720401.96, stdev=796420.85 lat (usec): min=364, max=1549.7k, avg=720403.33, stdev=796420.80 clat percentiles (usec): | 1.00th=[ 363], 5.00th=[ 363], 10.00th=[ 363], | 20.00th=[ 537], 30.00th=[ 537], 40.00th=[ 578], | 50.00th=[ 578], 60.00th=[1233126], 70.00th=[1535116], | 80.00th=[1535116], 90.00th=[1551893], 95.00th=[1551893], | 99.00th=[1551893], 99.50th=[1551893], 99.90th=[1551893], | 99.95th=[1551893], 99.99th=[1551893] bw ( KiB/s): min= 2043, max= 6119, per=100.00%, avg=3401.67, stdev=2353.28, samples=3 iops : min= 1, max= 5, avg= 2.33, stdev= 2.31, samples=3 write: IOPS=0, BW=559KiB/s (573kB/s)(6144KiB/10989msec) clat (msec): min=28, max=4895, avg=1110.43, stdev=1922.76 lat (msec): min=28, max=4895, avg=1110.50, stdev=1922.76 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 29], 10.00th=[ 29], 20.00th=[ 61], | 30.00th=[ 61], 40.00th=[ 157], 50.00th=[ 157], 60.00th=[ 157], | 70.00th=[ 1368], 80.00th=[ 1368], 90.00th=[ 4866], 95.00th=[ 4866], | 99.00th=[ 4866], 99.50th=[ 4866], 99.90th=[ 4866], 99.95th=[ 4866], | 99.99th=[ 4866] bw ( KiB/s): min= 2043, max= 4096, per=100.00%, avg=3066.50, stdev=1178.97, samples=4 iops : min= 1, max= 4, avg= 2.50, stdev= 1.29, samples=4 lat (usec) : 500=8.33%, 750=16.67% lat (msec) : 50=8.33%, 100=8.33%, 250=16.67% cpu : usr=0.01%, sys=4.56%, ctx=861, majf=0, minf=34 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=26486: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=466KiB/s (477kB/s)(5120KiB/10995msec) clat (usec): min=677, max=1688.3k, avg=1148413.14, stdev=670812.55 lat (usec): min=679, max=1688.3k, avg=1148414.67, stdev=670812.37 clat percentiles (usec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], | 20.00th=[ 676], 30.00th=[1182794], 40.00th=[1182794], | 50.00th=[1333789], 60.00th=[1333789], 70.00th=[1551893], | 80.00th=[1551893], 90.00th=[1686111], 95.00th=[1686111], | 99.00th=[1686111], 99.50th=[1686111], 99.90th=[1686111], | 99.95th=[1686111], 99.99th=[1686111] bw ( KiB/s): min= 2043, max= 2048, per=100.00%, avg=2045.50, stdev= 2.89, samples=4 iops : min= 1, max= 2, avg= 1.50, stdev= 0.58, samples=4 write: IOPS=0, BW=652KiB/s (668kB/s)(7168KiB/10995msec) clat (msec): min=41, max=4872, avg=750.04, stdev=1818.03 lat (msec): min=41, max=4872, avg=750.12, stdev=1818.02 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 42], 10.00th=[ 42], 20.00th=[ 43], | 30.00th=[ 46], 40.00th=[ 46], 50.00th=[ 50], 60.00th=[ 56], | 70.00th=[ 56], 80.00th=[ 144], 90.00th=[ 4866], 95.00th=[ 4866], | 99.00th=[ 4866], 99.50th=[ 4866], 99.90th=[ 4866], 99.95th=[ 4866], | 99.99th=[ 4866] bw ( KiB/s): min= 2048, max= 6144, per=100.00%, avg=4778.67, stdev=2364.83, samples=3 iops : min= 2, max= 6, avg= 4.67, stdev= 2.31, samples=3 lat (usec) : 750=8.33% lat (msec) : 50=33.33%, 100=8.33%, 250=8.33% cpu : usr=0.15%, sys=6.39%, ctx=1154, majf=0, minf=31 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=1863KiB/s (1907kB/s), 397KiB/s-1016KiB/s (407kB/s-1040kB/s), io=20.0MiB (20.0MB), run=5158-10995msec WRITE: bw=2608KiB/s (2670kB/s), 559KiB/s-1985KiB/s (573kB/s-2033kB/s), io=28.0MiB (29.4MB), run=5158-10995msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26478: Fri Mar 22 06:46:02 2024 read: IOPS=1, BW=1644KiB/s (1684kB/s)(7168KiB/4359msec) clat (msec): min=35, max=1634, avg=518.42, stdev=696.21 lat (msec): min=35, max=1634, avg=518.42, stdev=696.21 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 35], 10.00th=[ 35], 20.00th=[ 82], | 30.00th=[ 112], 40.00th=[ 112], 50.00th=[ 130], 60.00th=[ 209], | 70.00th=[ 209], 80.00th=[ 1435], 90.00th=[ 1636], 95.00th=[ 1636], | 99.00th=[ 1636], 99.50th=[ 1636], 99.90th=[ 1636], 99.95th=[ 1636], | 99.99th=[ 1636] bw ( KiB/s): min= 2048, max= 4096, per=100.00%, avg=3413.33, stdev=1182.41, samples=3 iops : min= 2, max= 4, avg= 3.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1175KiB/s (1203kB/s)(5120KiB/4359msec) clat (msec): min=59, max=245, avg=145.39, stdev=76.68 lat (msec): min=59, max=245, avg=145.46, stdev=76.68 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 60], 10.00th=[ 60], 20.00th=[ 60], | 30.00th=[ 106], 40.00th=[ 106], 50.00th=[ 113], 60.00th=[ 113], | 70.00th=[ 205], 80.00th=[ 205], 90.00th=[ 245], 95.00th=[ 245], | 99.00th=[ 245], 99.50th=[ 245], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 2048, max= 4096, per=100.00%, avg=3072.00, stdev=1448.15, samples=2 iops : min= 2, max= 4, avg= 3.00, stdev= 1.41, samples=2 lat (msec) : 50=8.33%, 100=16.67%, 250=58.33% cpu : usr=0.00%, sys=3.28%, ctx=52, majf=0, minf=34 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=26479: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=271KiB/s (277kB/s)(2048KiB/7569msec) clat (msec): min=93, max=2979, avg=1536.21, stdev=2040.94 lat (msec): min=93, max=2979, avg=1536.21, stdev=2040.94 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 93], 10.00th=[ 93], 20.00th=[ 93], | 30.00th=[ 93], 40.00th=[ 93], 50.00th=[ 93], 60.00th=[ 2970], | 70.00th=[ 2970], 80.00th=[ 2970], 90.00th=[ 2970], 95.00th=[ 2970], | 99.00th=[ 2970], 99.50th=[ 2970], 99.90th=[ 2970], 99.95th=[ 2970], | 99.99th=[ 2970] bw ( KiB/s): min= 1747, max= 2043, per=100.00%, avg=1895.00, stdev=209.30, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1353KiB/s (1385kB/s)(10.0MiB/7569msec) clat (msec): min=86, max=1775, avg=449.27, stdev=688.24 lat (msec): min=86, max=1775, avg=449.34, stdev=688.24 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 87], 10.00th=[ 87], 20.00th=[ 94], | 30.00th=[ 94], 40.00th=[ 97], 50.00th=[ 132], 60.00th=[ 146], | 70.00th=[ 188], 80.00th=[ 188], 90.00th=[ 1737], 95.00th=[ 1770], | 99.00th=[ 1770], 99.50th=[ 1770], 99.90th=[ 1770], 99.95th=[ 1770], | 99.99th=[ 1770] bw ( KiB/s): min= 1747, max= 6144, per=100.00%, avg=3432.00, stdev=2117.57, samples=4 iops : min= 1, max= 6, avg= 2.75, stdev= 2.36, samples=4 lat (msec) : 100=41.67%, 250=33.33% cpu : usr=0.00%, sys=2.14%, ctx=67, majf=0, minf=32 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=26480: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=551KiB/s (564kB/s)(6144KiB/11157msec) clat (msec): min=53, max=1211, avg=447.70, stdev=588.07 lat (msec): min=53, max=1211, avg=447.71, stdev=588.07 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 54], 10.00th=[ 54], 20.00th=[ 61], | 30.00th=[ 61], 40.00th=[ 64], 50.00th=[ 64], 60.00th=[ 96], | 70.00th=[ 1200], 80.00th=[ 1200], 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= 1768, max= 3531, per=100.00%, avg=2209.50, stdev=881.00, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 write: IOPS=0, BW=551KiB/s (564kB/s)(6144KiB/11157msec) clat (msec): min=154, max=4887, avg=1410.71, stdev=1819.49 lat (msec): min=154, max=4887, avg=1410.79, stdev=1819.49 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 163], | 30.00th=[ 163], 40.00th=[ 288], 50.00th=[ 288], 60.00th=[ 1334], | 70.00th=[ 1636], 80.00th=[ 1636], 90.00th=[ 4866], 95.00th=[ 4866], | 99.00th=[ 4866], 99.50th=[ 4866], 99.90th=[ 4866], 99.95th=[ 4866], | 99.99th=[ 4866] bw ( KiB/s): min= 1765, max= 4096, per=86.92%, avg=2233.00, stdev=1041.45, samples=5 iops : min= 1, max= 4, avg= 1.60, stdev= 1.34, samples=5 lat (msec) : 100=33.33%, 250=16.67%, 500=8.33% cpu : usr=0.00%, sys=1.25%, ctx=53, majf=0, minf=34 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=26481: Fri Mar 22 06:46:02 2024 read: IOPS=0, BW=1015KiB/s (1039kB/s)(5120KiB/5044msec) clat (msec): min=39, max=415, avg=169.55, stdev=176.21 lat (msec): min=39, max=415, avg=169.55, stdev=176.21 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 41], 10.00th=[ 41], 20.00th=[ 41], | 30.00th=[ 47], 40.00th=[ 47], 50.00th=[ 47], 60.00th=[ 47], | 70.00th=[ 300], 80.00th=[ 300], 90.00th=[ 414], 95.00th=[ 414], | 99.00th=[ 414], 99.50th=[ 414], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] 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=1, BW=1421KiB/s (1455kB/s)(7168KiB/5044msec) clat (msec): min=68, max=3659, avg=598.83, stdev=1349.98 lat (msec): min=68, max=3659, avg=598.89, stdev=1349.98 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 68], 10.00th=[ 68], 20.00th=[ 69], | 30.00th=[ 82], 40.00th=[ 82], 50.00th=[ 85], 60.00th=[ 96], | 70.00th=[ 96], 80.00th=[ 134], 90.00th=[ 3675], 95.00th=[ 3675], | 99.00th=[ 3675], 99.50th=[ 3675], 99.90th=[ 3675], 99.95th=[ 3675], | 99.99th=[ 3675] bw ( KiB/s): min= 2043, max= 6144, per=100.00%, avg=3581.50, stdev=1963.42, samples=4 iops : min= 1, max= 6, avg= 3.00, stdev= 2.45, samples=4 lat (msec) : 50=25.00%, 100=41.67%, 250=8.33%, 500=16.67% cpu : usr=0.00%, sys=3.19%, ctx=56, majf=0, minf=31 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=1836KiB/s (1880kB/s), 271KiB/s-1644KiB/s (277kB/s-1684kB/s), io=20.0MiB (20.0MB), run=4359-11157msec WRITE: bw=2570KiB/s (2632kB/s), 551KiB/s-1421KiB/s (564kB/s-1455kB/s), io=28.0MiB (29.4MB), run=4359-11157msec 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-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=26505: Fri Mar 22 06:46:07 2024 read: IOPS=1, BW=4755KiB/s (4870kB/s)(12.0MiB/2584msec) clat (msec): min=208, max=2064, avg=860.19, stdev=1043.77 lat (msec): min=208, max=2064, avg=860.19, stdev=1043.77 clat percentiles (msec): | 1.00th=[ 209], 5.00th=[ 209], 10.00th=[ 209], 20.00th=[ 209], | 30.00th=[ 209], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 2072], 80.00th=[ 2072], 90.00th=[ 2072], 95.00th=[ 2072], | 99.00th=[ 2072], 99.50th=[ 2072], 99.90th=[ 2072], 99.95th=[ 2072], | 99.99th=[ 2072] bw ( KiB/s): min= 8192, max= 8192, per=100.00%, avg=8192.00, stdev= 0.00, samples=2 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33% cpu : usr=0.27%, sys=43.63%, ctx=589, majf=0, minf=31 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=26506: Fri Mar 22 06:46:07 2024 read: IOPS=0, BW=1221KiB/s (1250kB/s)(4096KiB/3355msec) clat (nsec): min=307660k, max=307660k, avg=307660283.00, stdev= 0.00 lat (nsec): min=307661k, max=307661k, avg=307661023.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 309], 80.00th=[ 309], 90.00th=[ 309], 95.00th=[ 309], | 99.00th=[ 309], 99.50th=[ 309], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] 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=2442KiB/s (2500kB/s)(8192KiB/3355msec) clat (msec): min=119, max=2925, avg=1522.62, stdev=1984.31 lat (msec): min=119, max=2926, avg=1522.95, stdev=1984.33 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 120], 10.00th=[ 120], 20.00th=[ 120], | 30.00th=[ 120], 40.00th=[ 120], 50.00th=[ 120], 60.00th=[ 2937], | 70.00th=[ 2937], 80.00th=[ 2937], 90.00th=[ 2937], 95.00th=[ 2937], | 99.00th=[ 2937], 99.50th=[ 2937], 99.90th=[ 2937], 99.95th=[ 2937], | 99.99th=[ 2937] bw ( KiB/s): min= 8192, max= 8192, per=83.88%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33% cpu : usr=0.03%, sys=7.66%, ctx=137, majf=0, minf=33 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=26507: Fri Mar 22 06:46:07 2024 write: IOPS=1, BW=4226KiB/s (4327kB/s)(12.0MiB/2908msec) clat (msec): min=162, max=2562, avg=967.34, stdev=1381.18 lat (msec): min=162, max=2562, avg=967.69, stdev=1381.16 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 163], 10.00th=[ 163], 20.00th=[ 163], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 178], 60.00th=[ 178], | 70.00th=[ 2567], 80.00th=[ 2567], 90.00th=[ 2567], 95.00th=[ 2567], | 99.00th=[ 2567], 99.50th=[ 2567], 99.90th=[ 2567], 99.95th=[ 2567], | 99.99th=[ 2567] bw ( KiB/s): min= 8175, max= 8175, per=83.71%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=66.67% cpu : usr=0.00%, sys=8.36%, ctx=78, majf=0, minf=29 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=26508: Fri Mar 22 06:46:07 2024 write: IOPS=0, BW=3841KiB/s (3933kB/s)(12.0MiB/3199msec) clat (msec): min=291, max=2517, avg=1065.35, stdev=1258.27 lat (msec): min=291, max=2517, avg=1065.65, stdev=1258.34 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 388], 50.00th=[ 388], 60.00th=[ 388], | 70.00th=[ 2534], 80.00th=[ 2534], 90.00th=[ 2534], 95.00th=[ 2534], | 99.00th=[ 2534], 99.50th=[ 2534], 99.90th=[ 2534], 99.95th=[ 2534], | 99.99th=[ 2534] bw ( KiB/s): min= 8175, max= 8192, per=83.80%, avg=8183.50, stdev=12.02, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 500=66.67% cpu : usr=0.00%, sys=8.91%, ctx=56, majf=0, minf=30 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=4883KiB/s (5001kB/s), 1221KiB/s-4755KiB/s (1250kB/s-4870kB/s), io=16.0MiB (16.8MB), run=2584-3355msec WRITE: bw=9767KiB/s (10.0MB/s), 2442KiB/s-4226KiB/s (2500kB/s-4327kB/s), io=32.0MiB (33.6MB), run=2908-3355msec rand-rw: (groupid=0, jobs=1): err= 0: pid=26501: Fri Mar 22 06:46:07 2024 read: IOPS=0, BW=3439KiB/s (3522kB/s)(12.0MiB/3573msec) clat (msec): min=109, max=2976, avg=1188.63, stdev=1559.53 lat (msec): min=109, max=2976, avg=1188.63, stdev=1559.53 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 110], 10.00th=[ 110], 20.00th=[ 110], | 30.00th=[ 110], 40.00th=[ 481], 50.00th=[ 481], 60.00th=[ 481], | 70.00th=[ 2970], 80.00th=[ 2970], 90.00th=[ 2970], 95.00th=[ 2970], | 99.00th=[ 2970], 99.50th=[ 2970], 99.90th=[ 2970], 99.95th=[ 2970], | 99.99th=[ 2970] bw ( KiB/s): min= 7816, max= 8175, per=100.00%, avg=7995.50, stdev=253.85, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 250=33.33%, 500=33.33% cpu : usr=0.00%, sys=3.14%, ctx=43, majf=0, minf=31 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=26502: Fri Mar 22 06:46:07 2024 read: IOPS=0, BW=1141KiB/s (1168kB/s)(4096KiB/3590msec) clat (nsec): min=543999k, max=543999k, avg=543999469.00, stdev= 0.00 lat (nsec): min=544002k, max=544002k, avg=544002113.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 542], 5.00th=[ 542], 10.00th=[ 542], 20.00th=[ 542], | 30.00th=[ 542], 40.00th=[ 542], 50.00th=[ 542], 60.00th=[ 542], | 70.00th=[ 542], 80.00th=[ 542], 90.00th=[ 542], 95.00th=[ 542], | 99.00th=[ 542], 99.50th=[ 542], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 7907, max= 7907, per=100.00%, avg=7907.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=2282KiB/s (2337kB/s)(8192KiB/3590msec) clat (msec): min=170, max=2869, avg=1520.01, stdev=1909.01 lat (msec): min=170, max=2870, avg=1520.52, stdev=1908.83 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 171], | 30.00th=[ 171], 40.00th=[ 171], 50.00th=[ 171], 60.00th=[ 2869], | 70.00th=[ 2869], 80.00th=[ 2869], 90.00th=[ 2869], 95.00th=[ 2869], | 99.00th=[ 2869], 99.50th=[ 2869], 99.90th=[ 2869], 99.95th=[ 2869], | 99.99th=[ 2869] bw ( KiB/s): min= 7907, max= 7907, per=86.63%, avg=7907.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 750=33.33% cpu : usr=0.00%, sys=4.18%, ctx=46, majf=0, minf=33 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=26503: Fri Mar 22 06:46:07 2024 write: IOPS=0, BW=3544KiB/s (3629kB/s)(12.0MiB/3467msec) clat (msec): min=165, max=2826, avg=1136.04, stdev=1469.18 lat (msec): min=166, max=2826, avg=1136.45, stdev=1469.12 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 167], 10.00th=[ 167], 20.00th=[ 167], | 30.00th=[ 167], 40.00th=[ 418], 50.00th=[ 418], 60.00th=[ 418], | 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= 8192, max= 8192, per=89.76%, avg=8192.00, stdev= 0.00, samples=1 iops : min= 2, max= 2, avg= 2.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=33.33% cpu : usr=0.12%, sys=5.25%, ctx=67, majf=0, minf=29 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=26504: Fri Mar 22 06:46:07 2024 write: IOPS=4, BW=16.2MiB/s (16.0MB/s)(12.0MiB/742msec) clat (msec): min=153, max=305, avg=240.75, stdev=78.24 lat (msec): min=158, max=305, avg=242.48, stdev=75.95 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 155], | 30.00th=[ 155], 40.00th=[ 264], 50.00th=[ 264], 60.00th=[ 264], | 70.00th=[ 305], 80.00th=[ 305], 90.00th=[ 305], 95.00th=[ 305], | 99.00th=[ 305], 99.50th=[ 305], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min=16351, max=16351, per=100.00%, avg=16351.00, stdev= 0.00, samples=1 iops : min= 3, max= 3, avg= 3.00, stdev= 0.00, samples=1 lat (msec) : 250=33.33%, 500=66.67% cpu : usr=0.00%, sys=17.68%, ctx=58, majf=0, minf=30 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=4564KiB/s (4673kB/s), 1141KiB/s-3439KiB/s (1168kB/s-3522kB/s), io=16.0MiB (16.8MB), run=3573-3590msec WRITE: bw=9128KiB/s (9347kB/s), 2282KiB/s-16.2MiB/s (2337kB/s-16.0MB/s), io=32.0MiB (33.6MB), run=742-3590msec