== sanity test 398b: DIO and buffer IO race ============== 11:00:50 (1721228450) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB) copied, 0.106525 s, 118 MB/s mix direct rw 12M to OST0 by fio with 4 jobs... mix buffer rw 12M to OST0 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=19769: Wed Jul 17 11:00:52 2024 read: IOPS=361, BW=1447KiB/s (1481kB/s)(1480KiB/1023msec) clat (usec): min=3, max=36724, avg=1518.53, stdev=3022.40 lat (usec): min=3, max=36725, avg=1520.74, stdev=3022.19 clat percentiles (usec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 10], 40.00th=[ 22], 50.00th=[ 1057], 60.00th=[ 1549], | 70.00th=[ 1876], 80.00th=[ 2311], 90.00th=[ 2737], 95.00th=[ 3752], | 99.00th=[11863], 99.50th=[32375], 99.90th=[36963], 99.95th=[36963], | 99.99th=[36963] bw ( KiB/s): min= 760, max= 2080, per=25.99%, avg=1420.00, stdev=933.38, samples=2 iops : min= 190, max= 520, avg=355.00, stdev=233.35, samples=2 write: IOPS=389, BW=1556KiB/s (1594kB/s)(1592KiB/1023msec) clat (usec): min=77, max=51877, avg=1134.01, stdev=2916.49 lat (usec): min=78, max=51878, avg=1134.60, stdev=2916.52 clat percentiles (usec): | 1.00th=[ 87], 5.00th=[ 93], 10.00th=[ 98], 20.00th=[ 112], | 30.00th=[ 123], 40.00th=[ 159], 50.00th=[ 553], 60.00th=[ 840], | 70.00th=[ 1106], 80.00th=[ 1614], 90.00th=[ 2474], 95.00th=[ 3687], | 99.00th=[ 7504], 99.50th=[10552], 99.90th=[51643], 99.95th=[51643], | 99.99th=[51643] bw ( KiB/s): min= 800, max= 2296, per=26.93%, avg=1548.00, stdev=1057.83, samples=2 iops : min= 200, max= 574, avg=387.00, stdev=264.46, samples=2 lat (usec) : 4=1.56%, 10=14.06%, 20=3.52%, 50=0.52%, 100=6.25% lat (usec) : 250=18.23%, 500=2.08%, 750=4.43%, 1000=7.81% lat (msec) : 2=20.96%, 4=16.15%, 10=3.39%, 20=0.65%, 50=0.26% lat (msec) : 100=0.13% cpu : usr=0.10%, sys=15.75%, ctx=794, 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=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=19770: Wed Jul 17 11:00:52 2024 read: IOPS=327, BW=1310KiB/s (1342kB/s)(1436KiB/1096msec) clat (usec): min=3, max=26611, avg=1727.23, stdev=2774.48 lat (usec): min=3, max=26612, avg=1728.65, stdev=2774.05 clat percentiles (usec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 10], 40.00th=[ 783], 50.00th=[ 1287], 60.00th=[ 1680], | 70.00th=[ 2278], 80.00th=[ 2704], 90.00th=[ 3490], 95.00th=[ 4555], | 99.00th=[17171], 99.50th=[22152], 99.90th=[26608], 99.95th=[26608], | 99.99th=[26608] bw ( KiB/s): min= 712, max= 1824, per=23.21%, avg=1268.00, stdev=786.30, samples=2 iops : min= 178, max= 456, avg=317.00, stdev=196.58, samples=2 write: IOPS=373, BW=1493KiB/s (1529kB/s)(1636KiB/1096msec) clat (usec): min=76, max=33062, avg=1116.98, stdev=2086.05 lat (usec): min=76, max=33063, avg=1117.59, stdev=2086.08 clat percentiles (usec): | 1.00th=[ 90], 5.00th=[ 97], 10.00th=[ 103], 20.00th=[ 115], | 30.00th=[ 135], 40.00th=[ 233], 50.00th=[ 660], 60.00th=[ 857], | 70.00th=[ 1172], 80.00th=[ 1811], 90.00th=[ 2540], 95.00th=[ 3621], | 99.00th=[ 6980], 99.50th=[ 9503], 99.90th=[33162], 99.95th=[33162], | 99.99th=[33162] bw ( KiB/s): min= 808, max= 2040, per=24.77%, avg=1424.00, stdev=871.16, samples=2 iops : min= 202, max= 510, avg=356.00, stdev=217.79, samples=2 lat (usec) : 4=1.04%, 10=13.41%, 20=3.12%, 50=0.13%, 100=3.91% lat (usec) : 250=18.62%, 500=2.21%, 750=5.47%, 1000=8.72% lat (msec) : 2=18.23%, 4=19.66%, 10=4.56%, 20=0.39%, 50=0.52% cpu : usr=0.37%, sys=15.43%, ctx=875, 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=19771: Wed Jul 17 11:00:52 2024 read: IOPS=375, BW=1504KiB/s (1540kB/s)(1564KiB/1040msec) clat (usec): min=3, max=33645, avg=1663.17, stdev=3317.76 lat (usec): min=3, max=33646, avg=1664.00, stdev=3317.70 clat percentiles (usec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 8], | 30.00th=[ 10], 40.00th=[ 22], 50.00th=[ 1139], 60.00th=[ 1631], | 70.00th=[ 1942], 80.00th=[ 2376], 90.00th=[ 3195], 95.00th=[ 4621], | 99.00th=[22938], 99.50th=[29754], 99.90th=[33817], 99.95th=[33817], | 99.99th=[33817] bw ( KiB/s): min= 720, max= 2072, per=25.55%, avg=1396.00, stdev=956.01, samples=2 iops : min= 180, max= 518, avg=349.00, stdev=239.00, samples=2 write: IOPS=362, BW=1450KiB/s (1485kB/s)(1508KiB/1040msec) clat (usec): min=80, max=12358, avg=994.74, stdev=1449.16 lat (usec): min=80, max=12359, avg=995.33, stdev=1449.21 clat percentiles (usec): | 1.00th=[ 89], 5.00th=[ 97], 10.00th=[ 102], 20.00th=[ 114], | 30.00th=[ 133], 40.00th=[ 196], 50.00th=[ 594], 60.00th=[ 758], | 70.00th=[ 938], 80.00th=[ 1598], 90.00th=[ 2474], 95.00th=[ 3621], | 99.00th=[ 7242], 99.50th=[ 8717], 99.90th=[12387], 99.95th=[12387], | 99.99th=[12387] bw ( KiB/s): min= 824, max= 1872, per=23.45%, avg=1348.00, stdev=741.05, samples=2 iops : min= 206, max= 468, avg=337.00, stdev=185.26, samples=2 lat (usec) : 4=1.95%, 10=15.62%, 20=2.73%, 50=0.78%, 100=4.30% lat (usec) : 250=18.10%, 500=2.34%, 750=5.73%, 1000=7.81% lat (msec) : 2=18.88%, 4=16.67%, 10=3.91%, 20=0.65%, 50=0.52% cpu : usr=0.67%, sys=14.73%, ctx=854, 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=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=19772: Wed Jul 17 11:00:52 2024 read: IOPS=363, BW=1453KiB/s (1488kB/s)(1508KiB/1038msec) clat (usec): min=3, max=52177, avg=1793.36, stdev=3814.56 lat (usec): min=3, max=52178, avg=1794.06, stdev=3814.60 clat percentiles (usec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 10], 40.00th=[ 725], 50.00th=[ 1319], 60.00th=[ 1680], | 70.00th=[ 2114], 80.00th=[ 2507], 90.00th=[ 3195], 95.00th=[ 4555], | 99.00th=[15401], 99.50th=[30802], 99.90th=[52167], 99.95th=[52167], | 99.99th=[52167] bw ( KiB/s): min= 768, max= 1896, per=24.38%, avg=1332.00, stdev=797.62, samples=2 iops : min= 192, max= 474, avg=333.00, stdev=199.40, samples=2 write: IOPS=376, BW=1507KiB/s (1543kB/s)(1564KiB/1038msec) clat (usec): min=75, max=12188, avg=885.45, stdev=1246.63 lat (usec): min=75, max=12189, avg=886.55, stdev=1246.41 clat percentiles (usec): | 1.00th=[ 85], 5.00th=[ 92], 10.00th=[ 101], 20.00th=[ 112], | 30.00th=[ 122], 40.00th=[ 147], 50.00th=[ 241], 60.00th=[ 734], | 70.00th=[ 938], 80.00th=[ 1614], 90.00th=[ 2212], 95.00th=[ 3294], | 99.00th=[ 5145], 99.50th=[ 5997], 99.90th=[12125], 99.95th=[12125], | 99.99th=[12125] bw ( KiB/s): min= 808, max= 2016, per=24.57%, avg=1412.00, stdev=854.18, samples=2 iops : min= 202, max= 504, avg=353.00, stdev=213.55, samples=2 lat (usec) : 4=0.91%, 10=14.97%, 20=2.47%, 50=0.65%, 100=4.82% lat (usec) : 250=20.83%, 500=2.08%, 750=4.43%, 1000=6.25% lat (msec) : 2=19.79%, 4=17.97%, 10=3.91%, 20=0.52%, 50=0.26% lat (msec) : 100=0.13% cpu : usr=0.58%, sys=16.01%, ctx=791, 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=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=5464KiB/s (5595kB/s), 1310KiB/s-1504KiB/s (1342kB/s-1540kB/s), io=5988KiB (6132kB), run=1023-1096msec WRITE: bw=5748KiB/s (5886kB/s), 1450KiB/s-1556KiB/s (1485kB/s-1594kB/s), io=6300KiB (6451kB), run=1023-1096msec rand-rw: (groupid=0, jobs=1): err= 0: pid=19773: Wed Jul 17 11:00:53 2024 read: IOPS=216, BW=865KiB/s (886kB/s)(1480KiB/1711msec) clat (usec): min=499, max=50755, avg=1599.66, stdev=3050.38 lat (usec): min=499, max=50757, avg=1600.35, stdev=3050.42 clat percentiles (usec): | 1.00th=[ 562], 5.00th=[ 611], 10.00th=[ 660], 20.00th=[ 717], | 30.00th=[ 758], 40.00th=[ 816], 50.00th=[ 914], 60.00th=[ 1020], | 70.00th=[ 1188], 80.00th=[ 1811], 90.00th=[ 3130], 95.00th=[ 4228], | 99.00th=[ 9765], 99.50th=[20579], 99.90th=[50594], 99.95th=[50594], | 99.99th=[50594] bw ( KiB/s): min= 352, max= 1152, per=22.56%, avg=789.33, stdev=405.19, samples=3 iops : min= 88, max= 288, avg=197.33, stdev=101.30, samples=3 write: IOPS=232, BW=930KiB/s (953kB/s)(1592KiB/1711msec) clat (usec): min=1115, max=51738, avg=2784.90, stdev=3098.08 lat (usec): min=1116, max=51739, avg=2785.63, stdev=3098.13 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1352], 10.00th=[ 1549], 20.00th=[ 1729], | 30.00th=[ 1844], 40.00th=[ 1909], 50.00th=[ 2024], 60.00th=[ 2212], | 70.00th=[ 2573], 80.00th=[ 3097], 90.00th=[ 4424], 95.00th=[ 6259], | 99.00th=[11338], 99.50th=[22938], 99.90th=[51643], 99.95th=[51643], | 99.99th=[51643] bw ( KiB/s): min= 408, max= 1408, per=23.39%, avg=861.33, stdev=506.49, samples=3 iops : min= 102, max= 352, avg=215.33, stdev=126.62, samples=3 lat (usec) : 500=0.13%, 750=12.89%, 1000=14.71% lat (msec) : 2=36.72%, 4=25.65%, 10=8.72%, 20=0.65%, 50=0.26% lat (msec) : 100=0.26% cpu : usr=0.12%, sys=6.20%, ctx=822, 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=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=19774: Wed Jul 17 11:00:53 2024 read: IOPS=211, BW=845KiB/s (865kB/s)(1436KiB/1699msec) clat (usec): min=535, max=52161, avg=1573.94, stdev=3142.78 lat (usec): min=535, max=52163, avg=1574.57, stdev=3142.83 clat percentiles (usec): | 1.00th=[ 570], 5.00th=[ 627], 10.00th=[ 668], 20.00th=[ 717], | 30.00th=[ 766], 40.00th=[ 832], 50.00th=[ 906], 60.00th=[ 988], | 70.00th=[ 1156], 80.00th=[ 1663], 90.00th=[ 3097], 95.00th=[ 4424], | 99.00th=[ 9241], 99.50th=[20579], 99.90th=[52167], 99.95th=[52167], | 99.99th=[52167] bw ( KiB/s): min= 408, max= 1272, per=22.71%, avg=794.67, stdev=439.08, samples=3 iops : min= 102, max= 318, avg=198.67, stdev=109.77, samples=3 write: IOPS=240, BW=963KiB/s (986kB/s)(1636KiB/1699msec) clat (usec): min=964, max=14685, avg=2747.91, stdev=1812.71 lat (usec): min=965, max=14686, avg=2748.65, stdev=1812.76 clat percentiles (usec): | 1.00th=[ 1172], 5.00th=[ 1287], 10.00th=[ 1500], 20.00th=[ 1745], | 30.00th=[ 1827], 40.00th=[ 1958], 50.00th=[ 2114], 60.00th=[ 2343], | 70.00th=[ 2835], 80.00th=[ 3425], 90.00th=[ 4621], 95.00th=[ 5669], | 99.00th=[11469], 99.50th=[12649], 99.90th=[14746], 99.95th=[14746], | 99.99th=[14746] bw ( KiB/s): min= 456, max= 1272, per=23.90%, avg=880.00, stdev=408.94, samples=3 iops : min= 114, max= 318, avg=220.00, stdev=102.24, samples=3 lat (usec) : 750=12.63%, 1000=16.02% lat (msec) : 2=33.72%, 4=27.34%, 10=8.85%, 20=1.17%, 50=0.13% lat (msec) : 100=0.13% cpu : usr=0.41%, sys=5.59%, ctx=818, 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=19775: Wed Jul 17 11:00:53 2024 read: IOPS=231, BW=928KiB/s (950kB/s)(1564KiB/1686msec) clat (usec): min=520, max=23307, avg=1569.37, stdev=2158.11 lat (usec): min=520, max=23308, avg=1570.01, stdev=2158.15 clat percentiles (usec): | 1.00th=[ 537], 5.00th=[ 611], 10.00th=[ 652], 20.00th=[ 701], | 30.00th=[ 758], 40.00th=[ 807], 50.00th=[ 873], 60.00th=[ 947], | 70.00th=[ 1205], 80.00th=[ 1795], 90.00th=[ 3359], 95.00th=[ 4424], | 99.00th=[10945], 99.50th=[21627], 99.90th=[23200], 99.95th=[23200], | 99.99th=[23200] bw ( KiB/s): min= 328, max= 1288, per=23.93%, avg=837.33, stdev=482.68, samples=3 iops : min= 82, max= 322, avg=209.33, stdev=120.67, samples=3 write: IOPS=223, BW=894KiB/s (916kB/s)(1508KiB/1686msec) clat (usec): min=1109, max=56127, avg=2813.63, stdev=3233.88 lat (usec): min=1110, max=56129, avg=2814.33, stdev=3233.94 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 1287], 10.00th=[ 1418], 20.00th=[ 1680], | 30.00th=[ 1827], 40.00th=[ 1926], 50.00th=[ 2040], 60.00th=[ 2212], | 70.00th=[ 2573], 80.00th=[ 3359], 90.00th=[ 4948], 95.00th=[ 6587], | 99.00th=[ 9765], 99.50th=[12518], 99.90th=[56361], 99.95th=[56361], | 99.99th=[56361] bw ( KiB/s): min= 416, max= 1320, per=22.45%, avg=826.67, stdev=457.63, samples=3 iops : min= 104, max= 330, avg=206.67, stdev=114.41, samples=3 lat (usec) : 750=14.45%, 1000=17.19% lat (msec) : 2=33.07%, 4=24.61%, 10=9.64%, 20=0.65%, 50=0.26% lat (msec) : 100=0.13% cpu : usr=0.00%, sys=6.35%, ctx=836, 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=19776: Wed Jul 17 11:00:53 2024 read: IOPS=224, BW=898KiB/s (920kB/s)(1508KiB/1679msec) clat (usec): min=494, max=44041, avg=1490.76, stdev=2501.62 lat (usec): min=494, max=44042, avg=1491.41, stdev=2501.73 clat percentiles (usec): | 1.00th=[ 562], 5.00th=[ 627], 10.00th=[ 668], 20.00th=[ 734], | 30.00th=[ 783], 40.00th=[ 832], 50.00th=[ 914], 60.00th=[ 1029], | 70.00th=[ 1303], 80.00th=[ 1680], 90.00th=[ 2769], 95.00th=[ 3949], | 99.00th=[ 7373], 99.50th=[ 8979], 99.90th=[44303], 99.95th=[44303], | 99.99th=[44303] bw ( KiB/s): min= 368, max= 1200, per=23.40%, avg=818.67, stdev=420.31, samples=3 iops : min= 92, max= 300, avg=204.67, stdev=105.08, samples=3 write: IOPS=232, BW=932KiB/s (954kB/s)(1564KiB/1679msec) clat (usec): min=1012, max=48035, avg=2823.17, stdev=3262.81 lat (usec): min=1013, max=48037, avg=2824.01, stdev=3262.86 clat percentiles (usec): | 1.00th=[ 1156], 5.00th=[ 1287], 10.00th=[ 1549], 20.00th=[ 1713], | 30.00th=[ 1844], 40.00th=[ 1926], 50.00th=[ 2040], 60.00th=[ 2147], | 70.00th=[ 2540], 80.00th=[ 3458], 90.00th=[ 4424], 95.00th=[ 5604], | 99.00th=[12649], 99.50th=[34341], 99.90th=[47973], 99.95th=[47973], | 99.99th=[47973] bw ( KiB/s): min= 416, max= 1336, per=23.61%, avg=869.33, stdev=460.14, samples=3 iops : min= 104, max= 334, avg=217.33, stdev=115.04, samples=3 lat (usec) : 500=0.13%, 750=11.72%, 1000=16.28% lat (msec) : 2=37.50%, 4=24.74%, 10=8.72%, 20=0.52%, 50=0.39% cpu : usr=0.18%, sys=5.90%, ctx=828, 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=3500KiB/s (3584kB/s), 845KiB/s-928KiB/s (865kB/s-950kB/s), io=5988KiB (6132kB), run=1679-1711msec WRITE: bw=3682KiB/s (3770kB/s), 894KiB/s-963KiB/s (916kB/s-986kB/s), io=6300KiB (6451kB), run=1679-1711msec