== sanity test 398b: DIO and buffer IO race ============== 11:38:38 (1776181118) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB, 12 MiB) copied, 0.340458 s, 37.0 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=122701: Tue Apr 14 11:39:08 2026 read: IOPS=24, BW=97.8KiB/s (100kB/s)(1480KiB/15128msec) clat (usec): min=6, max=210056, avg=16161.78, stdev=24892.87 lat (usec): min=6, max=210057, avg=16174.14, stdev=24886.48 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 14], 20.00th=[ 20], | 30.00th=[ 27], 40.00th=[ 34], 50.00th=[ 56], 60.00th=[ 12911], | 70.00th=[ 21103], 80.00th=[ 33162], 90.00th=[ 46924], 95.00th=[ 65799], | 99.00th=[116917], 99.50th=[131597], 99.90th=[210764], 99.95th=[210764], | 99.99th=[210764] bw ( KiB/s): min= 15, max= 277, per=28.46%, avg=97.03, stdev=49.87, samples=29 iops : min= 3, max= 69, avg=23.76, stdev=12.55, samples=29 write: IOPS=26, BW=105KiB/s (108kB/s)(1592KiB/15128msec); 0 zone resets clat (usec): min=151, max=316402, avg=22924.65, stdev=37685.95 lat (usec): min=153, max=316403, avg=22925.56, stdev=37686.03 clat percentiles (usec): | 1.00th=[ 174], 5.00th=[ 188], 10.00th=[ 208], 20.00th=[ 239], | 30.00th=[ 297], 40.00th=[ 717], 50.00th=[ 8455], 60.00th=[ 15926], | 70.00th=[ 23725], 80.00th=[ 35914], 90.00th=[ 62129], 95.00th=[102237], | 99.00th=[166724], 99.50th=[229639], 99.90th=[316670], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 15, max= 176, per=29.39%, avg=105.21, stdev=43.89, samples=29 iops : min= 3, max= 44, avg=25.79, stdev=11.05, samples=29 lat (usec) : 10=2.47%, 20=7.55%, 50=13.15%, 100=1.95%, 250=12.89% lat (usec) : 500=8.07%, 750=1.04%, 1000=0.52% lat (msec) : 2=1.43%, 4=1.17%, 10=4.56%, 20=11.72%, 50=22.40% lat (msec) : 100=7.81%, 250=3.12%, 500=0.13% cpu : usr=0.09%, sys=1.88%, ctx=752, 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=122702: Tue Apr 14 11:39:08 2026 read: IOPS=21, BW=84.0KiB/s (86.1kB/s)(1436KiB/17085msec) clat (usec): min=6, max=217258, avg=19201.93, stdev=28735.92 lat (usec): min=6, max=217259, avg=19202.72, stdev=28735.88 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 13], 10.00th=[ 17], 20.00th=[ 24], | 30.00th=[ 32], 40.00th=[ 45], 50.00th=[ 4424], 60.00th=[ 17957], | 70.00th=[ 26870], 80.00th=[ 36439], 90.00th=[ 50070], 95.00th=[ 68682], | 99.00th=[129500], 99.50th=[187696], 99.90th=[217056], 99.95th=[217056], | 99.99th=[217056] bw ( KiB/s): min= 7, max= 183, per=24.65%, avg=84.06, stdev=41.96, samples=33 iops : min= 1, max= 45, avg=20.45, stdev=10.46, samples=33 write: IOPS=23, BW=95.8KiB/s (98.1kB/s)(1636KiB/17085msec); 0 zone resets clat (usec): min=121, max=275704, avg=24828.93, stdev=35737.05 lat (usec): min=122, max=275705, avg=24830.13, stdev=35737.01 clat percentiles (usec): | 1.00th=[ 180], 5.00th=[ 194], 10.00th=[ 215], 20.00th=[ 249], | 30.00th=[ 302], 40.00th=[ 979], 50.00th=[ 10290], 60.00th=[ 20055], | 70.00th=[ 29230], 80.00th=[ 41157], 90.00th=[ 77071], 95.00th=[100140], | 99.00th=[145753], 99.50th=[158335], 99.90th=[274727], 99.95th=[274727], | 99.99th=[274727] bw ( KiB/s): min= 29, max= 207, per=26.65%, avg=95.42, stdev=40.64, samples=33 iops : min= 7, max= 51, avg=23.30, stdev=10.15, samples=33 lat (usec) : 10=1.04%, 20=4.95%, 50=14.19%, 100=1.56%, 250=11.59% lat (usec) : 500=9.77%, 750=0.78%, 1000=0.52% lat (msec) : 2=0.52%, 4=1.30%, 10=4.30%, 20=10.42%, 50=25.00% lat (msec) : 100=10.42%, 250=3.52%, 500=0.13% cpu : usr=0.11%, sys=1.91%, ctx=801, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=122703: Tue Apr 14 11:39:08 2026 read: IOPS=23, BW=93.9KiB/s (96.2kB/s)(1564KiB/16654msec) clat (usec): min=4, max=184640, avg=17687.29, stdev=26156.96 lat (usec): min=4, max=184641, avg=17688.14, stdev=26156.91 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 15], 20.00th=[ 23], | 30.00th=[ 29], 40.00th=[ 40], 50.00th=[ 172], 60.00th=[ 16057], | 70.00th=[ 25560], 80.00th=[ 35390], 90.00th=[ 47449], 95.00th=[ 62129], | 99.00th=[128451], 99.50th=[160433], 99.90th=[185598], 99.95th=[185598], | 99.99th=[185598] bw ( KiB/s): min= 7, max= 230, per=27.47%, avg=93.69, stdev=43.90, samples=32 iops : min= 1, max= 57, avg=22.88, stdev=11.05, samples=32 write: IOPS=22, BW=90.5KiB/s (92.7kB/s)(1508KiB/16654msec); 0 zone resets clat (usec): min=165, max=370411, avg=25724.66, stdev=37419.24 lat (usec): min=165, max=370412, avg=25725.67, stdev=37419.25 clat percentiles (usec): | 1.00th=[ 176], 5.00th=[ 200], 10.00th=[ 231], 20.00th=[ 277], | 30.00th=[ 424], 40.00th=[ 3654], 50.00th=[ 13173], 60.00th=[ 21890], | 70.00th=[ 31589], 80.00th=[ 44827], 90.00th=[ 76022], 95.00th=[ 88605], | 99.00th=[189793], 99.50th=[223347], 99.90th=[371196], 99.95th=[371196], | 99.99th=[371196] bw ( KiB/s): min= 21, max= 174, per=24.71%, avg=88.47, stdev=36.55, samples=32 iops : min= 5, max= 43, avg=21.59, stdev= 9.27, samples=32 lat (usec) : 10=2.08%, 20=6.51%, 50=14.06%, 100=2.60%, 250=8.59% lat (usec) : 500=7.81%, 750=1.43%, 1000=0.26% lat (msec) : 2=2.08%, 4=1.17%, 10=4.17%, 20=9.90%, 50=26.30% lat (msec) : 100=10.94%, 250=1.95%, 500=0.13% cpu : usr=0.05%, sys=1.84%, ctx=800, 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=122704: Tue Apr 14 11:39:08 2026 read: IOPS=21, BW=85.9KiB/s (87.0kB/s)(1508KiB/17549msec) clat (usec): min=5, max=237237, avg=18083.26, stdev=30206.50 lat (usec): min=6, max=237237, avg=18084.00, stdev=30206.54 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 9], 10.00th=[ 12], 20.00th=[ 19], | 30.00th=[ 25], 40.00th=[ 31], 50.00th=[ 52], 60.00th=[ 13566], | 70.00th=[ 24249], 80.00th=[ 32637], 90.00th=[ 50070], 95.00th=[ 71828], | 99.00th=[145753], 99.50th=[221250], 99.90th=[238027], 99.95th=[238027], | 99.99th=[238027] bw ( KiB/s): min= 7, max= 159, per=24.51%, avg=83.58, stdev=39.79, samples=33 iops : min= 1, max= 39, avg=20.36, stdev= 9.98, samples=33 write: IOPS=22, BW=89.1KiB/s (91.3kB/s)(1564KiB/17549msec); 0 zone resets clat (usec): min=161, max=251408, avg=27388.74, stdev=39492.90 lat (usec): min=161, max=251408, avg=27389.68, stdev=39492.96 clat percentiles (usec): | 1.00th=[ 165], 5.00th=[ 186], 10.00th=[ 206], 20.00th=[ 249], | 30.00th=[ 302], 40.00th=[ 3949], 50.00th=[ 12256], 60.00th=[ 19792], | 70.00th=[ 30802], 80.00th=[ 45351], 90.00th=[ 80217], 95.00th=[108528], | 99.00th=[173016], 99.50th=[206570], 99.90th=[250610], 99.95th=[250610], | 99.99th=[250610] bw ( KiB/s): min= 22, max= 159, per=23.78%, avg=85.12, stdev=31.01, samples=34 iops : min= 5, max= 39, avg=20.71, stdev= 7.77, samples=34 lat (usec) : 10=3.78%, 20=8.07%, 50=12.37%, 100=1.30%, 250=10.55% lat (usec) : 500=7.94%, 750=0.39%, 1000=0.26% lat (msec) : 2=0.65%, 4=1.43%, 10=4.82%, 20=11.07%, 50=23.18% lat (msec) : 100=9.77%, 250=4.30%, 500=0.13% cpu : usr=0.07%, sys=2.13%, ctx=820, 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=341KiB/s (349kB/s), 84.0KiB/s-97.8KiB/s (86.1kB/s-100kB/s), io=5988KiB (6132kB), run=15128-17549msec WRITE: bw=359KiB/s (368kB/s), 89.1KiB/s-105KiB/s (91.3kB/s-108kB/s), io=6300KiB (6451kB), run=15128-17549msec rand-rw: (groupid=0, jobs=1): err= 0: pid=122696: Tue Apr 14 11:39:38 2026 read: IOPS=7, BW=31.8KiB/s (32.6kB/s)(1480KiB/46527msec) clat (msec): min=2, max=222, avg=20.87, stdev=25.30 lat (msec): min=2, max=222, avg=20.87, stdev=25.30 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 10], 50.00th=[ 13], 60.00th=[ 16], | 70.00th=[ 22], 80.00th=[ 30], 90.00th=[ 46], 95.00th=[ 61], | 99.00th=[ 155], 99.50th=[ 182], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 7, max= 119, per=26.05%, avg=32.83, stdev=20.53, samples=86 iops : min= 1, max= 29, avg= 7.63, stdev= 5.19, samples=86 write: IOPS=8, BW=34.2KiB/s (35.0kB/s)(1592KiB/46527msec); 0 zone resets clat (msec): min=27, max=459, avg=97.37, stdev=55.58 lat (msec): min=27, max=459, avg=97.37, stdev=55.58 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 42], 10.00th=[ 51], 20.00th=[ 59], | 30.00th=[ 68], 40.00th=[ 78], 50.00th=[ 85], 60.00th=[ 95], | 70.00th=[ 107], 80.00th=[ 122], 90.00th=[ 150], 95.00th=[ 201], | 99.00th=[ 351], 99.50th=[ 368], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 7, max= 64, per=25.25%, avg=33.58, stdev=14.54, samples=91 iops : min= 1, max= 16, avg= 7.81, stdev= 3.71, samples=91 lat (msec) : 4=2.60%, 10=17.19%, 20=12.76%, 50=17.19%, 100=31.77% lat (msec) : 250=17.06%, 500=1.43% cpu : usr=0.05%, sys=0.60%, ctx=947, 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=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=122697: Tue Apr 14 11:39:38 2026 read: IOPS=7, BW=30.4KiB/s (31.1kB/s)(1436KiB/47288msec) clat (msec): min=2, max=232, avg=20.42, stdev=23.88 lat (msec): min=2, max=232, avg=20.42, stdev=23.88 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 6], 20.00th=[ 7], | 30.00th=[ 9], 40.00th=[ 11], 50.00th=[ 13], 60.00th=[ 16], | 70.00th=[ 21], 80.00th=[ 29], 90.00th=[ 45], 95.00th=[ 56], | 99.00th=[ 130], 99.50th=[ 148], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 5, max= 112, per=25.87%, avg=32.60, stdev=23.94, samples=85 iops : min= 1, max= 28, avg= 7.58, stdev= 6.07, samples=85 write: IOPS=8, BW=34.6KiB/s (35.4kB/s)(1636KiB/47288msec); 0 zone resets clat (msec): min=31, max=326, avg=97.38, stdev=47.76 lat (msec): min=31, max=326, avg=97.38, stdev=47.76 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 44], 10.00th=[ 50], 20.00th=[ 60], | 30.00th=[ 68], 40.00th=[ 80], 50.00th=[ 90], 60.00th=[ 97], | 70.00th=[ 106], 80.00th=[ 124], 90.00th=[ 163], 95.00th=[ 194], | 99.00th=[ 262], 99.50th=[ 300], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 7, max= 72, per=25.45%, avg=33.85, stdev=14.11, samples=93 iops : min= 1, max= 18, avg= 7.89, stdev= 3.62, samples=93 lat (msec) : 4=1.43%, 10=16.02%, 20=15.10%, 50=16.54%, 100=30.47% lat (msec) : 250=19.66%, 500=0.78% cpu : usr=0.07%, sys=0.77%, ctx=965, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=122698: Tue Apr 14 11:39:38 2026 read: IOPS=8, BW=34.3KiB/s (35.1kB/s)(1564KiB/45578msec) clat (usec): min=2669, max=99122, avg=17632.99, stdev=16289.92 lat (usec): min=2670, max=99125, avg=17634.16, stdev=16289.92 clat percentiles (usec): | 1.00th=[ 3097], 5.00th=[ 3916], 10.00th=[ 4883], 20.00th=[ 6194], | 30.00th=[ 7767], 40.00th=[ 9241], 50.00th=[11469], 60.00th=[14746], | 70.00th=[19530], 80.00th=[25560], 90.00th=[41157], 95.00th=[52167], | 99.00th=[89654], 99.50th=[95945], 99.90th=[99091], 99.95th=[99091], | 99.99th=[99091] bw ( KiB/s): min= 7, max= 119, per=27.84%, avg=35.08, stdev=25.47, samples=87 iops : min= 1, max= 29, avg= 8.18, stdev= 6.40, samples=87 write: IOPS=8, BW=33.1KiB/s (33.9kB/s)(1508KiB/45578msec); 0 zone resets clat (msec): min=26, max=368, avg=102.46, stdev=56.18 lat (msec): min=26, max=368, avg=102.47, stdev=56.19 clat percentiles (msec): | 1.00th=[ 34], 5.00th=[ 47], 10.00th=[ 52], 20.00th=[ 63], | 30.00th=[ 72], 40.00th=[ 81], 50.00th=[ 88], 60.00th=[ 100], | 70.00th=[ 108], 80.00th=[ 125], 90.00th=[ 180], 95.00th=[ 232], | 99.00th=[ 309], 99.50th=[ 355], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 7, max= 63, per=24.46%, avg=32.53, stdev=13.90, samples=90 iops : min= 1, max= 15, avg= 7.56, stdev= 3.54, samples=90 lat (msec) : 4=2.86%, 10=19.66%, 20=13.67%, 50=15.76%, 100=28.91% lat (msec) : 250=17.32%, 500=1.82% cpu : usr=0.06%, sys=0.58%, ctx=912, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=122699: Tue Apr 14 11:39:38 2026 read: IOPS=8, BW=32.6KiB/s (33.4kB/s)(1508KiB/46232msec) clat (msec): min=2, max=203, avg=19.76, stdev=23.59 lat (msec): min=2, max=203, avg=19.77, stdev=23.59 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 7], | 30.00th=[ 9], 40.00th=[ 10], 50.00th=[ 13], 60.00th=[ 15], | 70.00th=[ 22], 80.00th=[ 28], 90.00th=[ 39], 95.00th=[ 52], | 99.00th=[ 140], 99.50th=[ 197], 99.90th=[ 203], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 7, max= 103, per=27.24%, avg=34.32, stdev=22.56, samples=85 iops : min= 1, max= 25, avg= 8.00, stdev= 5.68, samples=85 write: IOPS=8, BW=33.8KiB/s (34.6kB/s)(1564KiB/46232msec); 0 zone resets clat (msec): min=27, max=387, avg=98.82, stdev=50.44 lat (msec): min=27, max=387, avg=98.82, stdev=50.44 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 46], 10.00th=[ 52], 20.00th=[ 62], | 30.00th=[ 71], 40.00th=[ 79], 50.00th=[ 88], 60.00th=[ 100], | 70.00th=[ 110], 80.00th=[ 129], 90.00th=[ 155], 95.00th=[ 180], | 99.00th=[ 305], 99.50th=[ 368], 99.90th=[ 388], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 7, max= 64, per=25.30%, avg=33.66, stdev=13.49, samples=90 iops : min= 1, max= 16, avg= 7.83, stdev= 3.46, samples=90 lat (msec) : 4=2.73%, 10=17.58%, 20=12.76%, 50=18.10%, 100=28.26% lat (msec) : 250=19.27%, 500=1.30% cpu : usr=0.05%, sys=0.55%, ctx=920, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=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=127KiB/s (130kB/s), 30.4KiB/s-34.3KiB/s (31.1kB/s-35.1kB/s), io=5988KiB (6132kB), run=45578-47288msec WRITE: bw=133KiB/s (136kB/s), 33.1KiB/s-34.6KiB/s (33.9kB/s-35.4kB/s), io=6300KiB (6451kB), run=45578-47288msec