== sanity test 398b: DIO and buffer IO race ============== 16:46:05 (1776199565) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB, 12 MiB) copied, 0.376337 s, 33.4 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=122499: Tue Apr 14 16:46:35 2026 read: IOPS=26, BW=106KiB/s (109kB/s)(1480KiB/13953msec) clat (usec): min=6, max=140931, avg=15176.87, stdev=22258.26 lat (usec): min=6, max=140932, avg=15177.69, stdev=22258.33 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 13], 20.00th=[ 24], | 30.00th=[ 37], 40.00th=[ 55], 50.00th=[ 217], 60.00th=[ 12125], | 70.00th=[ 22938], 80.00th=[ 30802], 90.00th=[ 42730], 95.00th=[ 51643], | 99.00th=[105382], 99.50th=[131597], 99.90th=[141558], 99.95th=[141558], | 99.99th=[141558] bw ( KiB/s): min= 47, max= 220, per=25.57%, avg=102.30, stdev=43.22, samples=27 iops : min= 11, max= 55, avg=25.00, stdev=10.94, samples=27 write: IOPS=28, BW=114KiB/s (117kB/s)(1592KiB/13953msec); 0 zone resets clat (usec): min=133, max=317448, avg=20832.67, stdev=34202.24 lat (usec): min=134, max=317449, avg=20834.63, stdev=34202.64 clat percentiles (usec): | 1.00th=[ 165], 5.00th=[ 196], 10.00th=[ 221], 20.00th=[ 273], | 30.00th=[ 330], 40.00th=[ 668], 50.00th=[ 2868], 60.00th=[ 12911], | 70.00th=[ 24249], 80.00th=[ 40633], 90.00th=[ 61604], 95.00th=[ 82314], | 99.00th=[177210], 99.50th=[217056], 99.90th=[316670], 99.95th=[316670], | 99.99th=[316670] bw ( KiB/s): min= 39, max= 210, per=26.33%, avg=110.85, stdev=47.18, samples=27 iops : min= 9, max= 52, avg=27.15, stdev=11.92, samples=27 lat (usec) : 10=2.47%, 20=6.12%, 50=10.03%, 100=4.69%, 250=8.72% lat (usec) : 500=12.63%, 750=1.69%, 1000=0.91% lat (msec) : 2=2.86%, 4=2.34%, 10=4.82%, 20=9.77%, 50=21.88% lat (msec) : 100=9.24%, 250=1.69%, 500=0.13% cpu : usr=0.10%, sys=3.07%, ctx=692, majf=0, minf=19 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=122500: Tue Apr 14 16:46:35 2026 read: IOPS=24, BW=96.1KiB/s (98.4kB/s)(1436KiB/14945msec) clat (usec): min=5, max=182094, avg=17825.07, stdev=25428.18 lat (usec): min=6, max=182102, avg=17825.98, stdev=25428.50 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 15], 20.00th=[ 28], | 30.00th=[ 39], 40.00th=[ 63], 50.00th=[ 1614], 60.00th=[ 15926], | 70.00th=[ 25822], 80.00th=[ 36439], 90.00th=[ 51643], 95.00th=[ 66323], | 99.00th=[102237], 99.50th=[179307], 99.90th=[181404], 99.95th=[181404], | 99.99th=[181404] bw ( KiB/s): min= 7, max= 167, per=23.97%, avg=95.86, stdev=37.85, samples=29 iops : min= 1, max= 41, avg=23.45, stdev= 9.57, samples=29 write: IOPS=27, BW=109KiB/s (112kB/s)(1636KiB/14945msec); 0 zone resets clat (usec): min=158, max=197574, avg=20695.65, stdev=31906.63 lat (usec): min=158, max=197575, avg=20696.74, stdev=31906.65 clat percentiles (usec): | 1.00th=[ 176], 5.00th=[ 206], 10.00th=[ 239], 20.00th=[ 306], | 30.00th=[ 396], 40.00th=[ 1057], 50.00th=[ 6587], 60.00th=[ 13566], | 70.00th=[ 24511], 80.00th=[ 34341], 90.00th=[ 63177], 95.00th=[ 91751], | 99.00th=[147850], 99.50th=[179307], 99.90th=[198181], 99.95th=[198181], | 99.99th=[198181] bw ( KiB/s): min= 31, max= 222, per=25.82%, avg=108.69, stdev=47.89, samples=29 iops : min= 7, max= 55, avg=26.69, stdev=12.13, samples=29 lat (usec) : 10=2.34%, 20=4.56%, 50=9.51%, 100=4.82%, 250=7.29% lat (usec) : 500=13.28%, 750=1.17%, 1000=1.30% lat (msec) : 2=2.34%, 4=2.86%, 10=4.69%, 20=11.07%, 50=23.18% lat (msec) : 100=9.11%, 250=2.47% cpu : usr=0.15%, sys=3.33%, ctx=809, majf=0, minf=18 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=122501: Tue Apr 14 16:46:35 2026 read: IOPS=28, BW=113KiB/s (116kB/s)(1564KiB/13830msec) clat (usec): min=5, max=115763, avg=14692.22, stdev=22103.09 lat (usec): min=5, max=115763, avg=14694.28, stdev=22102.76 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 10], 10.00th=[ 15], 20.00th=[ 23], | 30.00th=[ 31], 40.00th=[ 41], 50.00th=[ 74], 60.00th=[ 8848], | 70.00th=[ 20055], 80.00th=[ 31065], 90.00th=[ 49021], 95.00th=[ 59507], | 99.00th=[ 92799], 99.50th=[115868], 99.90th=[115868], 99.95th=[115868], | 99.99th=[115868] bw ( KiB/s): min= 55, max= 301, per=27.52%, avg=110.07, stdev=53.62, samples=27 iops : min= 13, max= 75, avg=26.96, stdev=13.52, samples=27 write: IOPS=27, BW=109KiB/s (112kB/s)(1508KiB/13830msec); 0 zone resets clat (usec): min=152, max=166209, avg=21247.35, stdev=32748.01 lat (usec): min=153, max=166210, avg=21248.65, stdev=32747.94 clat percentiles (usec): | 1.00th=[ 167], 5.00th=[ 198], 10.00th=[ 227], 20.00th=[ 281], | 30.00th=[ 359], 40.00th=[ 791], 50.00th=[ 3982], 60.00th=[ 13173], | 70.00th=[ 22938], 80.00th=[ 38536], 90.00th=[ 64750], 95.00th=[101188], | 99.00th=[154141], 99.50th=[160433], 99.90th=[166724], 99.95th=[166724], | 99.99th=[166724] bw ( KiB/s): min= 47, max= 359, per=24.92%, avg=104.93, stdev=60.93, samples=27 iops : min= 11, max= 89, avg=25.63, stdev=15.25, samples=27 lat (usec) : 10=2.86%, 20=5.99%, 50=14.06%, 100=3.91%, 250=7.81% lat (usec) : 500=11.59%, 750=1.82%, 1000=0.52% lat (msec) : 2=2.08%, 4=3.39%, 10=4.56%, 20=9.77%, 50=19.40% lat (msec) : 100=9.38%, 250=2.86% cpu : usr=0.14%, sys=3.23%, ctx=706, majf=0, minf=19 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=122502: Tue Apr 14 16:46:35 2026 read: IOPS=26, BW=106KiB/s (109kB/s)(1508KiB/14160msec) clat (usec): min=7, max=164160, avg=16605.80, stdev=24952.48 lat (usec): min=7, max=164161, avg=16612.76, stdev=24955.48 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 23], | 30.00th=[ 31], 40.00th=[ 43], 50.00th=[ 68], 60.00th=[ 12256], | 70.00th=[ 25297], 80.00th=[ 34866], 90.00th=[ 51119], 95.00th=[ 63701], | 99.00th=[117965], 99.50th=[132645], 99.90th=[164627], 99.95th=[164627], | 99.99th=[164627] bw ( KiB/s): min= 15, max= 206, per=25.53%, avg=102.11, stdev=53.83, samples=27 iops : min= 3, max= 51, avg=24.96, stdev=13.55, samples=27 write: IOPS=27, BW=110KiB/s (113kB/s)(1564KiB/14160msec); 0 zone resets clat (usec): min=165, max=204467, avg=19897.78, stdev=31417.73 lat (usec): min=165, max=204470, avg=19898.82, stdev=31417.74 clat percentiles (usec): | 1.00th=[ 176], 5.00th=[ 210], 10.00th=[ 235], 20.00th=[ 302], | 30.00th=[ 388], 40.00th=[ 660], 50.00th=[ 4293], 60.00th=[ 12518], | 70.00th=[ 21365], 80.00th=[ 36439], 90.00th=[ 58459], 95.00th=[ 80217], | 99.00th=[152044], 99.50th=[204473], 99.90th=[204473], 99.95th=[204473], | 99.99th=[204473] bw ( KiB/s): min= 31, max= 259, per=25.21%, avg=106.15, stdev=52.92, samples=27 iops : min= 7, max= 64, avg=25.96, stdev=13.32, samples=27 lat (usec) : 10=2.21%, 20=6.51%, 50=13.80%, 100=3.52%, 250=6.51% lat (usec) : 500=12.63%, 750=2.86%, 1000=1.17% lat (msec) : 2=2.34%, 4=1.82%, 10=3.78%, 20=10.29%, 50=20.83% lat (msec) : 100=9.51%, 250=2.21% cpu : usr=0.05%, sys=3.02%, ctx=713, majf=0, minf=19 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=401KiB/s (410kB/s), 96.1KiB/s-113KiB/s (98.4kB/s-116kB/s), io=5988KiB (6132kB), run=13830-14945msec WRITE: bw=422KiB/s (432kB/s), 109KiB/s-114KiB/s (112kB/s-117kB/s), io=6300KiB (6451kB), run=13830-14945msec rand-rw: (groupid=0, jobs=1): err= 0: pid=122505: Tue Apr 14 16:47:19 2026 read: IOPS=6, BW=26.0KiB/s (26.7kB/s)(1480KiB/56816msec) clat (msec): min=3, max=253, avg=23.24, stdev=29.33 lat (msec): min=3, max=253, avg=23.24, stdev=29.33 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 10], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 16], 60.00th=[ 19], | 70.00th=[ 24], 80.00th=[ 30], 90.00th=[ 41], 95.00th=[ 57], | 99.00th=[ 199], 99.50th=[ 226], 99.90th=[ 253], 99.95th=[ 253], | 99.99th=[ 253] bw ( KiB/s): min= 7, max= 103, per=24.95%, avg=25.70, stdev=17.11, samples=110 iops : min= 1, max= 25, avg= 5.83, stdev= 4.29, samples=110 write: IOPS=7, BW=28.0KiB/s (28.7kB/s)(1592KiB/56816msec); 0 zone resets clat (msec): min=40, max=364, avg=121.06, stdev=49.86 lat (msec): min=40, max=364, avg=121.06, stdev=49.86 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 56], 10.00th=[ 70], 20.00th=[ 83], | 30.00th=[ 91], 40.00th=[ 99], 50.00th=[ 110], 60.00th=[ 123], | 70.00th=[ 136], 80.00th=[ 159], 90.00th=[ 186], 95.00th=[ 224], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 7, max= 48, per=25.55%, avg=27.59, stdev= 9.76, samples=111 iops : min= 1, max= 12, avg= 6.30, stdev= 2.47, samples=111 lat (msec) : 4=0.26%, 10=11.98%, 20=18.36%, 50=15.49%, 100=22.66% lat (msec) : 250=29.95%, 500=1.30% cpu : usr=0.05%, sys=0.57%, ctx=922, 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=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=122506: Tue Apr 14 16:47:19 2026 read: IOPS=6, BW=24.7KiB/s (25.3kB/s)(1436KiB/58097msec) clat (msec): min=3, max=232, avg=24.60, stdev=31.59 lat (msec): min=3, max=232, avg=24.61, stdev=31.59 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 11], 40.00th=[ 13], 50.00th=[ 15], 60.00th=[ 18], | 70.00th=[ 24], 80.00th=[ 29], 90.00th=[ 47], 95.00th=[ 84], | 99.00th=[ 188], 99.50th=[ 228], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 6, max= 102, per=26.26%, avg=27.05, stdev=18.70, samples=103 iops : min= 1, max= 25, avg= 6.17, stdev= 4.70, samples=103 write: IOPS=7, BW=28.2KiB/s (28.8kB/s)(1636KiB/58097msec); 0 zone resets clat (msec): min=36, max=320, avg=120.32, stdev=49.38 lat (msec): min=36, max=320, avg=120.32, stdev=49.38 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 59], 10.00th=[ 66], 20.00th=[ 80], | 30.00th=[ 90], 40.00th=[ 102], 50.00th=[ 110], 60.00th=[ 124], | 70.00th=[ 136], 80.00th=[ 157], 90.00th=[ 194], 95.00th=[ 224], | 99.00th=[ 259], 99.50th=[ 275], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 7, max= 63, per=25.51%, avg=27.55, stdev=10.78, samples=115 iops : min= 1, max= 15, avg= 6.29, stdev= 2.73, samples=115 lat (msec) : 4=0.26%, 10=12.89%, 20=16.80%, 50=14.19%, 100=21.22% lat (msec) : 250=33.46%, 500=1.17% cpu : usr=0.04%, sys=0.59%, ctx=917, 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=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=122507: Tue Apr 14 16:47:19 2026 read: IOPS=7, BW=28.3KiB/s (28.9kB/s)(1564KiB/55354msec) clat (msec): min=3, max=169, avg=21.42, stdev=19.85 lat (msec): min=3, max=169, avg=21.42, stdev=19.85 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 16], 60.00th=[ 18], | 70.00th=[ 23], 80.00th=[ 31], 90.00th=[ 44], 95.00th=[ 54], | 99.00th=[ 128], 99.50th=[ 153], 99.90th=[ 169], 99.95th=[ 169], | 99.99th=[ 169] bw ( KiB/s): min= 7, max= 119, per=28.68%, avg=29.54, stdev=21.64, samples=103 iops : min= 1, max= 29, avg= 6.78, stdev= 5.41, samples=103 write: IOPS=6, BW=27.2KiB/s (27.9kB/s)(1508KiB/55354msec); 0 zone resets clat (msec): min=33, max=356, avg=124.51, stdev=50.45 lat (msec): min=33, max=356, avg=124.51, stdev=50.45 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 65], 10.00th=[ 73], 20.00th=[ 85], | 30.00th=[ 94], 40.00th=[ 104], 50.00th=[ 114], 60.00th=[ 125], | 70.00th=[ 138], 80.00th=[ 159], 90.00th=[ 197], 95.00th=[ 220], | 99.00th=[ 321], 99.50th=[ 334], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 7, max= 48, per=24.57%, avg=26.53, stdev= 8.54, samples=109 iops : min= 1, max= 12, avg= 6.03, stdev= 2.18, samples=109 lat (msec) : 4=0.13%, 10=13.02%, 20=20.31%, 50=14.06%, 100=21.48% lat (msec) : 250=29.69%, 500=1.30% cpu : usr=0.07%, sys=0.59%, ctx=953, 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=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=122508: Tue Apr 14 16:47:19 2026 read: IOPS=6, BW=26.4KiB/s (27.0kB/s)(1508KiB/57117msec) clat (msec): min=3, max=179, avg=21.69, stdev=20.72 lat (msec): min=3, max=179, avg=21.69, stdev=20.72 clat percentiles (msec): | 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 7], 20.00th=[ 9], | 30.00th=[ 12], 40.00th=[ 14], 50.00th=[ 17], 60.00th=[ 20], | 70.00th=[ 23], 80.00th=[ 30], 90.00th=[ 43], 95.00th=[ 57], | 99.00th=[ 144], 99.50th=[ 148], 99.90th=[ 180], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 7, max= 71, per=28.20%, avg=29.05, stdev=16.81, samples=100 iops : min= 1, max= 17, avg= 6.68, stdev= 4.20, samples=100 write: IOPS=6, BW=27.4KiB/s (28.0kB/s)(1564KiB/57117msec); 0 zone resets clat (msec): min=37, max=383, avg=125.02, stdev=52.44 lat (msec): min=37, max=383, avg=125.04, stdev=52.45 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 64], 10.00th=[ 72], 20.00th=[ 85], | 30.00th=[ 95], 40.00th=[ 104], 50.00th=[ 112], 60.00th=[ 125], | 70.00th=[ 140], 80.00th=[ 161], 90.00th=[ 192], 95.00th=[ 222], | 99.00th=[ 313], 99.50th=[ 338], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 7, max= 55, per=24.80%, avg=26.78, stdev= 9.21, samples=113 iops : min= 1, max= 13, avg= 6.10, stdev= 2.35, samples=113 lat (msec) : 4=0.13%, 10=12.24%, 20=17.97%, 50=16.54%, 100=20.83% lat (msec) : 250=30.86%, 500=1.43% cpu : usr=0.08%, sys=0.64%, ctx=952, 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=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=103KiB/s (106kB/s), 24.7KiB/s-28.3KiB/s (25.3kB/s-28.9kB/s), io=5988KiB (6132kB), run=55354-58097msec WRITE: bw=108KiB/s (111kB/s), 27.2KiB/s-28.2KiB/s (27.9kB/s-28.8kB/s), io=6300KiB (6451kB), run=55354-58097msec