== sanity test 398b: DIO and buffer IO race ============== 16:29:45 (1748982585) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB) copied, 0.0807505 s, 156 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=7638: Tue Jun 3 16:29:47 2025 read: IOPS=343, BW=1375KiB/s (1408kB/s)(1480KiB/1076msec) clat (usec): min=3, max=24813, avg=1629.44, stdev=2179.40 lat (usec): min=4, max=24814, avg=1630.62, stdev=2179.01 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 7], 10.00th=[ 9], 20.00th=[ 11], | 30.00th=[ 15], 40.00th=[ 955], 50.00th=[ 1418], 60.00th=[ 1827], | 70.00th=[ 2278], 80.00th=[ 2638], 90.00th=[ 3228], 95.00th=[ 4621], | 99.00th=[10159], 99.50th=[15795], 99.90th=[24773], 99.95th=[24773], | 99.99th=[24773] bw ( KiB/s): min= 1077, max= 1528, per=23.63%, avg=1302.50, stdev=318.91, samples=2 iops : min= 269, max= 382, avg=325.50, stdev=79.90, samples=2 write: IOPS=369, BW=1480KiB/s (1515kB/s)(1592KiB/1076msec) clat (usec): min=83, max=6764, avg=1115.35, stdev=1210.36 lat (usec): min=83, max=6765, avg=1116.00, stdev=1210.37 clat percentiles (usec): | 1.00th=[ 91], 5.00th=[ 105], 10.00th=[ 116], 20.00th=[ 139], | 30.00th=[ 172], 40.00th=[ 243], 50.00th=[ 865], 60.00th=[ 1012], | 70.00th=[ 1303], 80.00th=[ 1926], 90.00th=[ 2802], 95.00th=[ 3818], | 99.00th=[ 5800], 99.50th=[ 5932], 99.90th=[ 6783], 99.95th=[ 6783], | 99.99th=[ 6783] bw ( KiB/s): min= 1005, max= 1840, per=24.52%, avg=1422.50, stdev=590.43, samples=2 iops : min= 251, max= 460, avg=355.50, stdev=147.79, samples=2 lat (usec) : 4=0.13%, 10=7.42%, 20=9.24%, 50=0.65%, 100=1.95% lat (usec) : 250=19.79%, 500=1.17%, 750=1.30%, 1000=8.85% lat (msec) : 2=23.18%, 4=21.74%, 10=4.04%, 20=0.39%, 50=0.13% cpu : usr=0.28%, sys=17.49%, ctx=959, 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=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=7641: Tue Jun 3 16:29:47 2025 read: IOPS=330, BW=1322KiB/s (1354kB/s)(1436KiB/1086msec) clat (usec): min=3, max=31062, avg=1658.33, stdev=2526.40 lat (usec): min=4, max=31062, avg=1659.09, stdev=2526.34 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 13], 40.00th=[ 922], 50.00th=[ 1467], 60.00th=[ 1827], | 70.00th=[ 2311], 80.00th=[ 2802], 90.00th=[ 3359], 95.00th=[ 4015], | 99.00th=[ 8029], 99.50th=[21890], 99.90th=[31065], 99.95th=[31065], | 99.99th=[31065] bw ( KiB/s): min= 928, max= 1536, per=22.35%, avg=1232.00, stdev=429.92, samples=2 iops : min= 232, max= 384, avg=308.00, stdev=107.48, samples=2 write: IOPS=376, BW=1506KiB/s (1543kB/s)(1636KiB/1086msec) clat (usec): min=89, max=34503, avg=1175.72, stdev=2158.01 lat (usec): min=90, max=34505, avg=1176.37, stdev=2158.05 clat percentiles (usec): | 1.00th=[ 94], 5.00th=[ 105], 10.00th=[ 113], 20.00th=[ 128], | 30.00th=[ 167], 40.00th=[ 221], 50.00th=[ 775], 60.00th=[ 922], | 70.00th=[ 1156], 80.00th=[ 1909], 90.00th=[ 2704], 95.00th=[ 3752], | 99.00th=[ 6783], 99.50th=[ 9503], 99.90th=[34341], 99.95th=[34341], | 99.99th=[34341] bw ( KiB/s): min= 1104, max= 1672, per=23.93%, avg=1388.00, stdev=401.64, samples=2 iops : min= 276, max= 418, avg=347.00, stdev=100.41, samples=2 lat (usec) : 4=0.13%, 10=9.90%, 20=6.64%, 50=0.39%, 100=2.08% lat (usec) : 250=20.57%, 500=1.69%, 750=2.08%, 1000=9.64% lat (msec) : 2=20.18%, 4=21.74%, 10=4.30%, 20=0.26%, 50=0.39% cpu : usr=0.28%, sys=18.80%, ctx=917, 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=7642: Tue Jun 3 16:29:47 2025 read: IOPS=376, BW=1507KiB/s (1543kB/s)(1564KiB/1038msec) clat (usec): min=3, max=16956, avg=1396.48, stdev=1700.10 lat (usec): min=4, max=16957, avg=1397.17, stdev=1700.02 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 11], 40.00th=[ 25], 50.00th=[ 1336], 60.00th=[ 1795], | 70.00th=[ 2040], 80.00th=[ 2442], 90.00th=[ 3064], 95.00th=[ 3523], | 99.00th=[ 8717], 99.50th=[10552], 99.90th=[16909], 99.95th=[16909], | 99.99th=[16909] bw ( KiB/s): min= 1016, max= 1944, per=26.85%, avg=1480.00, stdev=656.20, samples=2 iops : min= 254, max= 486, avg=370.00, stdev=164.05, samples=2 write: IOPS=363, BW=1453KiB/s (1488kB/s)(1508KiB/1038msec) clat (usec): min=85, max=22302, avg=1229.46, stdev=1788.44 lat (usec): min=86, max=22306, avg=1230.14, stdev=1788.55 clat percentiles (usec): | 1.00th=[ 97], 5.00th=[ 111], 10.00th=[ 122], 20.00th=[ 149], | 30.00th=[ 180], 40.00th=[ 229], 50.00th=[ 791], 60.00th=[ 996], | 70.00th=[ 1270], 80.00th=[ 2180], 90.00th=[ 3032], 95.00th=[ 3785], | 99.00th=[ 7570], 99.50th=[11076], 99.90th=[22414], 99.95th=[22414], | 99.99th=[22414] bw ( KiB/s): min= 1024, max= 1744, per=23.86%, avg=1384.00, stdev=509.12, samples=2 iops : min= 256, max= 436, avg=346.00, stdev=127.28, samples=2 lat (usec) : 4=0.13%, 10=11.72%, 20=8.20%, 50=1.04%, 100=0.78% lat (usec) : 250=20.18%, 500=2.21%, 750=1.43%, 1000=7.29% lat (msec) : 2=20.05%, 4=22.79%, 10=3.52%, 20=0.52%, 50=0.13% cpu : usr=0.58%, sys=15.53%, ctx=883, 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=7644: Tue Jun 3 16:29:47 2025 read: IOPS=353, BW=1416KiB/s (1450kB/s)(1508KiB/1065msec) clat (usec): min=3, max=13155, avg=1633.60, stdev=1763.60 lat (usec): min=3, max=13156, avg=1634.38, stdev=1763.44 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 8], 20.00th=[ 10], | 30.00th=[ 13], 40.00th=[ 873], 50.00th=[ 1565], 60.00th=[ 1942], | 70.00th=[ 2343], 80.00th=[ 2900], 90.00th=[ 3490], 95.00th=[ 4228], | 99.00th=[ 7701], 99.50th=[12125], 99.90th=[13173], 99.95th=[13173], | 99.99th=[13173] bw ( KiB/s): min= 1160, max= 1520, per=24.31%, avg=1340.00, stdev=254.56, samples=2 iops : min= 290, max= 380, avg=335.00, stdev=63.64, samples=2 write: IOPS=367, BW=1469KiB/s (1504kB/s)(1564KiB/1065msec) clat (usec): min=88, max=14626, avg=1067.79, stdev=1425.34 lat (usec): min=89, max=14627, avg=1068.57, stdev=1425.81 clat percentiles (usec): | 1.00th=[ 93], 5.00th=[ 108], 10.00th=[ 118], 20.00th=[ 151], | 30.00th=[ 176], 40.00th=[ 212], 50.00th=[ 709], 60.00th=[ 947], | 70.00th=[ 1172], 80.00th=[ 1811], 90.00th=[ 2540], 95.00th=[ 3720], | 99.00th=[ 6259], 99.50th=[ 8291], 99.90th=[14615], 99.95th=[14615], | 99.99th=[14615] bw ( KiB/s): min= 1144, max= 1688, per=24.41%, avg=1416.00, stdev=384.67, samples=2 iops : min= 286, max= 422, avg=354.00, stdev=96.17, samples=2 lat (usec) : 4=0.26%, 10=10.42%, 20=6.90%, 50=0.39%, 100=1.82% lat (usec) : 250=21.74%, 500=2.08%, 750=1.30%, 1000=7.55% lat (msec) : 2=19.66%, 4=22.40%, 10=5.08%, 20=0.39% cpu : usr=0.28%, sys=17.20%, ctx=918, 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=5514KiB/s (5646kB/s), 1322KiB/s-1507KiB/s (1354kB/s-1543kB/s), io=5988KiB (6132kB), run=1038-1086msec WRITE: bw=5801KiB/s (5940kB/s), 1453KiB/s-1506KiB/s (1488kB/s-1543kB/s), io=6300KiB (6451kB), run=1038-1086msec rand-rw: (groupid=0, jobs=1): err= 0: pid=7639: Tue Jun 3 16:29:48 2025 read: IOPS=211, BW=846KiB/s (866kB/s)(1480KiB/1750msec) clat (usec): min=543, max=16592, avg=1565.75, stdev=1623.64 lat (usec): min=543, max=16593, avg=1566.41, stdev=1623.65 clat percentiles (usec): | 1.00th=[ 635], 5.00th=[ 750], 10.00th=[ 783], 20.00th=[ 840], | 30.00th=[ 881], 40.00th=[ 930], 50.00th=[ 979], 60.00th=[ 1090], | 70.00th=[ 1237], 80.00th=[ 1827], 90.00th=[ 3228], 95.00th=[ 4359], | 99.00th=[ 8356], 99.50th=[13829], 99.90th=[16581], 99.95th=[16581], | 99.99th=[16581] bw ( KiB/s): min= 552, max= 1040, per=23.14%, avg=776.00, stdev=246.45, samples=3 iops : min= 138, max= 260, avg=194.00, stdev=61.61, samples=3 write: IOPS=227, BW=910KiB/s (932kB/s)(1592KiB/1750msec) clat (usec): min=1196, max=28647, avg=2867.24, stdev=1895.75 lat (usec): min=1197, max=28648, avg=2868.08, stdev=1895.75 clat percentiles (usec): | 1.00th=[ 1221], 5.00th=[ 1549], 10.00th=[ 1762], 20.00th=[ 1942], | 30.00th=[ 2057], 40.00th=[ 2180], 50.00th=[ 2278], 60.00th=[ 2474], | 70.00th=[ 2900], 80.00th=[ 3654], 90.00th=[ 4621], 95.00th=[ 5735], | 99.00th=[ 7701], 99.50th=[13435], 99.90th=[28705], 99.95th=[28705], | 99.99th=[28705] bw ( KiB/s): min= 584, max= 1224, per=23.80%, avg=840.00, stdev=338.66, samples=3 iops : min= 146, max= 306, avg=210.00, stdev=84.66, samples=3 lat (usec) : 750=2.47%, 1000=23.18% lat (msec) : 2=26.56%, 4=36.20%, 10=11.07%, 20=0.39%, 50=0.13% cpu : usr=0.34%, sys=5.66%, ctx=802, 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=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=7640: Tue Jun 3 16:29:48 2025 read: IOPS=201, BW=804KiB/s (824kB/s)(1436KiB/1785msec) clat (usec): min=652, max=14217, avg=1578.08, stdev=1566.06 lat (usec): min=653, max=14218, avg=1578.77, stdev=1566.06 clat percentiles (usec): | 1.00th=[ 668], 5.00th=[ 734], 10.00th=[ 766], 20.00th=[ 832], | 30.00th=[ 881], 40.00th=[ 922], 50.00th=[ 979], 60.00th=[ 1057], | 70.00th=[ 1270], 80.00th=[ 1893], 90.00th=[ 3720], 95.00th=[ 4621], | 99.00th=[ 7242], 99.50th=[12387], 99.90th=[14222], 99.95th=[14222], | 99.99th=[14222] bw ( KiB/s): min= 496, max= 1192, per=22.42%, avg=752.00, stdev=382.75, samples=3 iops : min= 124, max= 298, avg=188.00, stdev=95.69, samples=3 write: IOPS=229, BW=917KiB/s (939kB/s)(1636KiB/1785msec) clat (usec): min=1308, max=12391, avg=2903.78, stdev=1478.11 lat (usec): min=1309, max=12392, avg=2904.71, stdev=1478.53 clat percentiles (usec): | 1.00th=[ 1369], 5.00th=[ 1500], 10.00th=[ 1696], 20.00th=[ 1942], | 30.00th=[ 2073], 40.00th=[ 2180], 50.00th=[ 2278], 60.00th=[ 2540], | 70.00th=[ 3032], 80.00th=[ 3818], 90.00th=[ 5145], 95.00th=[ 5866], | 99.00th=[ 6849], 99.50th=[ 9896], 99.90th=[12387], 99.95th=[12387], | 99.99th=[12387] bw ( KiB/s): min= 568, max= 1152, per=23.05%, avg=813.33, stdev=302.98, samples=3 iops : min= 142, max= 288, avg=203.33, stdev=75.75, samples=3 lat (usec) : 750=2.99%, 1000=21.48% lat (msec) : 2=26.82%, 4=35.16%, 10=13.02%, 20=0.52% cpu : usr=0.39%, sys=5.72%, ctx=827, 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=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=7643: Tue Jun 3 16:29:48 2025 read: IOPS=222, BW=890KiB/s (912kB/s)(1564KiB/1757msec) clat (usec): min=582, max=13473, avg=1573.29, stdev=1529.91 lat (usec): min=583, max=13473, avg=1573.94, stdev=1529.93 clat percentiles (usec): | 1.00th=[ 652], 5.00th=[ 725], 10.00th=[ 775], 20.00th=[ 832], | 30.00th=[ 889], 40.00th=[ 930], 50.00th=[ 988], 60.00th=[ 1057], | 70.00th=[ 1336], 80.00th=[ 1827], 90.00th=[ 3228], 95.00th=[ 4686], | 99.00th=[ 7439], 99.50th=[13173], 99.90th=[13435], 99.95th=[13435], | 99.99th=[13435] bw ( KiB/s): min= 464, max= 1125, per=23.58%, avg=791.00, stdev=330.56, samples=3 iops : min= 116, max= 281, avg=197.67, stdev=82.51, samples=3 write: IOPS=214, BW=858KiB/s (879kB/s)(1508KiB/1757msec) clat (usec): min=1196, max=40807, avg=3005.52, stdev=2441.66 lat (usec): min=1197, max=40809, avg=3006.43, stdev=2441.66 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 1549], 10.00th=[ 1795], 20.00th=[ 1975], | 30.00th=[ 2089], 40.00th=[ 2180], 50.00th=[ 2278], 60.00th=[ 2507], | 70.00th=[ 3064], 80.00th=[ 3752], 90.00th=[ 5014], 95.00th=[ 6063], | 99.00th=[ 8717], 99.50th=[12387], 99.90th=[40633], 99.95th=[40633], | 99.99th=[40633] bw ( KiB/s): min= 568, max= 1157, per=22.41%, avg=791.00, stdev=319.48, samples=3 iops : min= 142, max= 289, avg=197.67, stdev=79.73, samples=3 lat (usec) : 750=4.04%, 1000=21.74% lat (msec) : 2=26.82%, 4=35.03%, 10=11.72%, 20=0.52%, 50=0.13% cpu : usr=0.40%, sys=5.47%, ctx=807, 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=7645: Tue Jun 3 16:29:48 2025 read: IOPS=218, BW=875KiB/s (896kB/s)(1508KiB/1724msec) clat (usec): min=636, max=12019, avg=1530.96, stdev=1423.00 lat (usec): min=637, max=12020, avg=1531.64, stdev=1422.97 clat percentiles (usec): | 1.00th=[ 660], 5.00th=[ 701], 10.00th=[ 750], 20.00th=[ 807], | 30.00th=[ 865], 40.00th=[ 930], 50.00th=[ 1020], 60.00th=[ 1106], | 70.00th=[ 1270], 80.00th=[ 1778], 90.00th=[ 3032], 95.00th=[ 4490], | 99.00th=[ 6980], 99.50th=[ 9896], 99.90th=[11994], 99.95th=[11994], | 99.99th=[11994] bw ( KiB/s): min= 592, max= 1056, per=23.93%, avg=802.67, stdev=234.92, samples=3 iops : min= 148, max= 264, avg=200.67, stdev=58.73, samples=3 write: IOPS=226, BW=907KiB/s (929kB/s)(1564KiB/1724msec) clat (usec): min=1138, max=30755, avg=2857.12, stdev=1957.15 lat (usec): min=1139, max=30757, avg=2857.95, stdev=1957.15 clat percentiles (usec): | 1.00th=[ 1319], 5.00th=[ 1598], 10.00th=[ 1778], 20.00th=[ 1942], | 30.00th=[ 2073], 40.00th=[ 2147], 50.00th=[ 2278], 60.00th=[ 2507], | 70.00th=[ 2868], 80.00th=[ 3490], 90.00th=[ 4621], 95.00th=[ 5669], | 99.00th=[ 8160], 99.50th=[12387], 99.90th=[30802], 99.95th=[30802], | 99.99th=[30802] bw ( KiB/s): min= 640, max= 1248, per=24.41%, avg=861.33, stdev=336.03, samples=3 iops : min= 160, max= 312, avg=215.33, stdev=84.01, samples=3 lat (usec) : 750=4.95%, 1000=18.75% lat (msec) : 2=29.82%, 4=36.33%, 10=9.77%, 20=0.26%, 50=0.13% cpu : usr=0.12%, sys=6.15%, ctx=822, 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=3355KiB/s (3435kB/s), 804KiB/s-890KiB/s (824kB/s-912kB/s), io=5988KiB (6132kB), run=1724-1785msec WRITE: bw=3529KiB/s (3614kB/s), 858KiB/s-917KiB/s (879kB/s-939kB/s), io=6300KiB (6451kB), run=1724-1785msec