== sanity test 398b: DIO and buffer IO race ============== 15:14:35 (1776194075) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB, 12 MiB) copied, 0.379232 s, 33.2 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-3.19 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=124845: Tue Apr 14 15:15:05 2026 read: IOPS=23, BW=92.2KiB/s (94.4kB/s)(1480KiB/16051msec) clat (usec): min=5, max=236185, avg=18045.25, stdev=29827.60 lat (usec): min=6, max=236186, avg=18046.15, stdev=29827.58 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 24], | 30.00th=[ 30], 40.00th=[ 46], 50.00th=[ 906], 60.00th=[ 16450], | 70.00th=[ 22414], 80.00th=[ 32113], 90.00th=[ 46924], 95.00th=[ 64750], | 99.00th=[175113], 99.50th=[193987], 99.90th=[235930], 99.95th=[235930], | 99.99th=[235930] bw ( KiB/s): min= 28, max= 151, per=25.38%, avg=89.10, stdev=33.50, samples=31 iops : min= 7, max= 37, avg=21.74, stdev= 8.43, samples=31 write: IOPS=24, BW=99.2KiB/s (102kB/s)(1592KiB/16051msec); 0 zone resets clat (usec): min=148, max=183221, avg=23118.50, stdev=32802.20 lat (usec): min=148, max=183221, avg=23119.50, stdev=32802.21 clat percentiles (usec): | 1.00th=[ 178], 5.00th=[ 194], 10.00th=[ 215], 20.00th=[ 255], | 30.00th=[ 314], 40.00th=[ 1090], 50.00th=[ 9241], 60.00th=[ 16188], | 70.00th=[ 26346], 80.00th=[ 43254], 90.00th=[ 66847], 95.00th=[ 92799], | 99.00th=[143655], 99.50th=[164627], 99.90th=[183501], 99.95th=[183501], | 99.99th=[183501] bw ( KiB/s): min= 5, max= 160, per=26.37%, avg=97.58, stdev=41.23, samples=31 iops : min= 1, max= 40, avg=23.87, stdev=10.36, samples=31 lat (usec) : 10=1.69%, 20=5.73%, 50=13.15%, 100=2.60%, 250=10.03% lat (usec) : 500=9.77%, 750=1.43%, 1000=0.26% lat (msec) : 2=1.30%, 4=0.78%, 10=5.34%, 20=12.76%, 50=22.27% lat (msec) : 100=9.77%, 250=3.12% cpu : usr=0.14%, sys=2.36%, ctx=823, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=124847: Tue Apr 14 15:15:05 2026 read: IOPS=21, BW=86.4KiB/s (88.4kB/s)(1436KiB/16628msec) clat (usec): min=6, max=200649, avg=20031.76, stdev=29241.01 lat (usec): min=6, max=200649, avg=20032.67, stdev=29241.04 clat percentiles (usec): | 1.00th=[ 7], 5.00th=[ 11], 10.00th=[ 17], 20.00th=[ 26], | 30.00th=[ 35], 40.00th=[ 49], 50.00th=[ 6652], 60.00th=[ 19268], | 70.00th=[ 27919], 80.00th=[ 39060], 90.00th=[ 51643], 95.00th=[ 63177], | 99.00th=[164627], 99.50th=[173016], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 11, max= 143, per=24.42%, avg=85.72, stdev=37.97, samples=32 iops : min= 2, max= 35, avg=20.88, stdev= 9.55, samples=32 write: IOPS=24, BW=98.4KiB/s (101kB/s)(1636KiB/16628msec); 0 zone resets clat (usec): min=169, max=199925, avg=22881.43, stdev=33800.08 lat (usec): min=170, max=199927, avg=22882.81, stdev=33799.87 clat percentiles (usec): | 1.00th=[ 178], 5.00th=[ 200], 10.00th=[ 215], 20.00th=[ 262], | 30.00th=[ 363], 40.00th=[ 3032], 50.00th=[ 10290], 60.00th=[ 16909], | 70.00th=[ 23200], 80.00th=[ 39584], 90.00th=[ 66323], 95.00th=[ 94897], | 99.00th=[156238], 99.50th=[179307], 99.90th=[200279], 99.95th=[200279], | 99.99th=[200279] bw ( KiB/s): min= 31, max= 192, per=25.89%, avg=95.78, stdev=37.74, samples=32 iops : min= 7, max= 48, avg=23.41, stdev= 9.48, samples=32 lat (usec) : 10=1.82%, 20=4.30%, 50=12.76%, 100=2.21%, 250=9.24% lat (usec) : 500=9.24%, 750=1.30%, 1000=0.78% lat (msec) : 2=0.91%, 4=2.21%, 10=5.99%, 20=12.11%, 50=23.31% lat (msec) : 100=10.55%, 250=3.26% cpu : usr=0.08%, sys=2.21%, ctx=797, 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=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=124850: Tue Apr 14 15:15:05 2026 read: IOPS=24, BW=97.7KiB/s (100kB/s)(1564KiB/16006msec) clat (usec): min=6, max=173126, avg=16795.36, stdev=22832.30 lat (usec): min=6, max=173127, avg=16796.67, stdev=22832.27 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 14], 10.00th=[ 18], 20.00th=[ 28], | 30.00th=[ 37], 40.00th=[ 53], 50.00th=[ 8356], 60.00th=[ 16450], | 70.00th=[ 21627], 80.00th=[ 33817], 90.00th=[ 47973], 95.00th=[ 61080], | 99.00th=[ 92799], 99.50th=[107480], 99.90th=[173016], 99.95th=[173016], | 99.99th=[173016] bw ( KiB/s): min= 23, max= 191, per=28.06%, avg=98.48, stdev=42.05, samples=31 iops : min= 5, max= 47, avg=24.10, stdev=10.51, samples=31 write: IOPS=23, BW=94.2KiB/s (96.5kB/s)(1508KiB/16006msec); 0 zone resets clat (usec): min=175, max=232136, avg=24808.09, stdev=33561.51 lat (usec): min=176, max=232137, avg=24809.21, stdev=33561.57 clat percentiles (usec): | 1.00th=[ 184], 5.00th=[ 210], 10.00th=[ 241], 20.00th=[ 293], | 30.00th=[ 570], 40.00th=[ 4948], 50.00th=[ 11207], 60.00th=[ 19268], | 70.00th=[ 29492], 80.00th=[ 45351], 90.00th=[ 72877], 95.00th=[ 92799], | 99.00th=[152044], 99.50th=[191890], 99.90th=[231736], 99.95th=[231736], | 99.99th=[231736] bw ( KiB/s): min= 46, max= 156, per=25.09%, avg=92.84, stdev=30.22, samples=31 iops : min= 11, max= 39, avg=22.68, stdev= 7.72, samples=31 lat (usec) : 10=1.30%, 20=5.60%, 50=12.76%, 100=2.86%, 250=7.16% lat (usec) : 500=8.46%, 750=1.17%, 1000=0.65% lat (msec) : 2=1.30%, 4=2.08%, 10=6.64%, 20=14.45%, 50=22.14% lat (msec) : 100=11.59%, 250=1.82% cpu : usr=0.14%, sys=2.15%, ctx=826, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=124851: Tue Apr 14 15:15:05 2026 read: IOPS=22, BW=88.6KiB/s (90.7kB/s)(1508KiB/17026msec) clat (usec): min=3, max=248611, avg=18280.07, stdev=27433.76 lat (usec): min=4, max=248612, avg=18281.85, stdev=27433.49 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 15], 20.00th=[ 24], | 30.00th=[ 32], 40.00th=[ 43], 50.00th=[ 7046], 60.00th=[ 18220], | 70.00th=[ 25822], 80.00th=[ 34341], 90.00th=[ 49546], 95.00th=[ 60031], | 99.00th=[101188], 99.50th=[198181], 99.90th=[248513], 99.95th=[248513], | 99.99th=[248513] bw ( KiB/s): min= 31, max= 192, per=25.99%, avg=91.23, stdev=44.36, samples=31 iops : min= 7, max= 48, avg=22.26, stdev=11.21, samples=31 write: IOPS=22, BW=91.9KiB/s (94.1kB/s)(1564KiB/17026msec); 0 zone resets clat (usec): min=131, max=326228, avg=25482.29, stdev=40755.39 lat (usec): min=131, max=326230, avg=25483.33, stdev=40755.44 clat percentiles (usec): | 1.00th=[ 178], 5.00th=[ 192], 10.00th=[ 221], 20.00th=[ 285], | 30.00th=[ 359], 40.00th=[ 4883], 50.00th=[ 11863], 60.00th=[ 18220], | 70.00th=[ 27657], 80.00th=[ 40109], 90.00th=[ 68682], 95.00th=[ 98042], | 99.00th=[231736], 99.50th=[316670], 99.90th=[325059], 99.95th=[325059], | 99.99th=[325059] bw ( KiB/s): min= 7, max= 199, per=24.15%, avg=89.36, stdev=49.71, samples=33 iops : min= 1, max= 49, avg=21.79, stdev=12.46, samples=33 lat (usec) : 4=0.13%, 10=2.47%, 20=4.82%, 50=13.93%, 100=1.69% lat (usec) : 250=8.33%, 500=9.11%, 750=1.04%, 1000=0.26% lat (msec) : 2=1.17%, 4=0.65%, 10=5.47%, 20=13.28%, 50=25.00% lat (msec) : 100=9.64%, 250=2.60%, 500=0.39% cpu : usr=0.07%, sys=2.23%, ctx=859, majf=0, minf=17 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=352KiB/s (360kB/s), 86.4KiB/s-97.7KiB/s (88.4kB/s-100kB/s), io=5988KiB (6132kB), run=16006-17026msec WRITE: bw=370KiB/s (379kB/s), 91.9KiB/s-99.2KiB/s (94.1kB/s-102kB/s), io=6300KiB (6451kB), run=16006-17026msec rand-rw: (groupid=0, jobs=1): err= 0: pid=124846: Tue Apr 14 15:15:40 2026 read: IOPS=7, BW=29.2KiB/s (29.9kB/s)(1480KiB/50712msec) clat (msec): min=2, max=263, avg=22.40, stdev=27.77 lat (msec): min=2, max=263, avg=22.40, stdev=27.77 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 8], | 30.00th=[ 10], 40.00th=[ 12], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 24], 80.00th=[ 32], 90.00th=[ 43], 95.00th=[ 61], | 99.00th=[ 169], 99.50th=[ 251], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 7, max= 119, per=25.09%, avg=28.85, stdev=19.08, samples=99 iops : min= 1, max= 29, avg= 6.62, stdev= 4.77, samples=99 write: IOPS=7, BW=31.4KiB/s (32.1kB/s)(1592KiB/50712msec); 0 zone resets clat (msec): min=34, max=400, avg=106.32, stdev=44.12 lat (msec): min=34, max=400, avg=106.32, stdev=44.12 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 56], 10.00th=[ 62], 20.00th=[ 72], | 30.00th=[ 82], 40.00th=[ 92], 50.00th=[ 97], 60.00th=[ 106], | 70.00th=[ 117], 80.00th=[ 132], 90.00th=[ 165], 95.00th=[ 192], | 99.00th=[ 271], 99.50th=[ 288], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 7, max= 55, per=25.77%, avg=31.18, stdev= 9.99, samples=99 iops : min= 1, max= 13, avg= 7.19, stdev= 2.53, samples=99 lat (msec) : 4=1.43%, 10=14.19%, 20=14.97%, 50=15.10%, 100=29.69% lat (msec) : 250=23.70%, 500=0.91% cpu : usr=0.05%, sys=0.57%, ctx=949, 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=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=124848: Tue Apr 14 15:15:40 2026 read: IOPS=6, BW=27.8KiB/s (28.5kB/s)(1436KiB/51680msec) clat (msec): min=3, max=201, avg=21.84, stdev=26.64 lat (msec): min=3, max=201, avg=21.84, stdev=26.64 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 8], | 30.00th=[ 10], 40.00th=[ 11], 50.00th=[ 14], 60.00th=[ 17], | 70.00th=[ 23], 80.00th=[ 28], 90.00th=[ 44], 95.00th=[ 75], | 99.00th=[ 146], 99.50th=[ 201], 99.90th=[ 201], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 5, max= 94, per=26.12%, avg=30.03, stdev=18.84, samples=93 iops : min= 1, max= 23, avg= 6.91, stdev= 4.71, samples=93 write: IOPS=7, BW=31.7KiB/s (32.4kB/s)(1636KiB/51680msec); 0 zone resets clat (msec): min=37, max=363, avg=106.77, stdev=46.45 lat (msec): min=37, max=363, avg=106.77, stdev=46.45 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 54], 10.00th=[ 63], 20.00th=[ 72], | 30.00th=[ 82], 40.00th=[ 88], 50.00th=[ 99], 60.00th=[ 106], | 70.00th=[ 118], 80.00th=[ 133], 90.00th=[ 165], 95.00th=[ 188], | 99.00th=[ 292], 99.50th=[ 317], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 7, max= 63, per=25.97%, avg=31.43, stdev=10.73, samples=101 iops : min= 1, max= 15, avg= 7.25, stdev= 2.68, samples=101 lat (msec) : 4=1.17%, 10=15.36%, 20=14.97%, 50=12.76%, 100=29.17% lat (msec) : 250=25.52%, 500=1.04% cpu : usr=0.07%, sys=0.57%, ctx=929, 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=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=124849: Tue Apr 14 15:15:40 2026 read: IOPS=8, BW=32.5KiB/s (33.3kB/s)(1564KiB/48162msec) clat (msec): min=3, max=160, avg=19.91, stdev=21.71 lat (msec): min=3, max=160, avg=19.92, stdev=21.71 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 8], | 30.00th=[ 9], 40.00th=[ 11], 50.00th=[ 13], 60.00th=[ 16], | 70.00th=[ 20], 80.00th=[ 28], 90.00th=[ 40], 95.00th=[ 61], | 99.00th=[ 129], 99.50th=[ 150], 99.90th=[ 161], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 7, max= 94, per=28.52%, avg=32.80, stdev=20.66, samples=93 iops : min= 1, max= 23, avg= 7.58, stdev= 5.16, samples=93 write: IOPS=7, BW=31.3KiB/s (32.1kB/s)(1508KiB/48162msec); 0 zone resets clat (msec): min=40, max=311, avg=106.61, stdev=43.15 lat (msec): min=40, max=311, avg=106.61, stdev=43.15 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 75], | 30.00th=[ 82], 40.00th=[ 90], 50.00th=[ 96], 60.00th=[ 107], | 70.00th=[ 117], 80.00th=[ 128], 90.00th=[ 157], 95.00th=[ 188], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 5, max= 55, per=25.47%, avg=30.82, stdev=10.01, samples=95 iops : min= 1, max= 13, avg= 7.09, stdev= 2.55, samples=95 lat (msec) : 4=0.78%, 10=17.45%, 20=17.97%, 50=11.98%, 100=28.78% lat (msec) : 250=22.53%, 500=0.52% cpu : usr=0.06%, sys=0.62%, ctx=916, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=124852: Tue Apr 14 15:15:40 2026 read: IOPS=7, BW=29.6KiB/s (30.3kB/s)(1508KiB/50901msec) clat (msec): min=2, max=241, avg=23.18, stdev=28.90 lat (msec): min=2, max=241, avg=23.19, stdev=28.90 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 8], | 30.00th=[ 10], 40.00th=[ 12], 50.00th=[ 14], 60.00th=[ 17], | 70.00th=[ 21], 80.00th=[ 32], 90.00th=[ 47], 95.00th=[ 75], | 99.00th=[ 178], 99.50th=[ 182], 99.90th=[ 243], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 7, max= 87, per=27.02%, avg=31.08, stdev=18.70, samples=93 iops : min= 1, max= 21, avg= 7.15, stdev= 4.67, samples=93 write: IOPS=7, BW=30.7KiB/s (31.5kB/s)(1564KiB/50901msec); 0 zone resets clat (msec): min=37, max=322, avg=107.68, stdev=44.79 lat (msec): min=37, max=322, avg=107.68, stdev=44.79 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 55], 10.00th=[ 63], 20.00th=[ 72], | 30.00th=[ 81], 40.00th=[ 90], 50.00th=[ 100], 60.00th=[ 110], | 70.00th=[ 120], 80.00th=[ 132], 90.00th=[ 161], 95.00th=[ 201], | 99.00th=[ 264], 99.50th=[ 313], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 7, max= 48, per=25.20%, avg=30.49, stdev= 9.50, samples=99 iops : min= 1, max= 12, avg= 7.02, stdev= 2.41, samples=99 lat (msec) : 4=1.30%, 10=13.93%, 20=18.49%, 50=12.24%, 100=27.21% lat (msec) : 250=26.17%, 500=0.65% cpu : usr=0.08%, sys=0.57%, ctx=939, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=116KiB/s (119kB/s), 27.8KiB/s-32.5KiB/s (28.5kB/s-33.3kB/s), io=5988KiB (6132kB), run=48162-51680msec WRITE: bw=122KiB/s (125kB/s), 30.7KiB/s-31.7KiB/s (31.5kB/s-32.4kB/s), io=6300KiB (6451kB), run=48162-51680msec