== sanity test 398b: DIO and buffer IO race ============== 00:30:00 (1780979400) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB, 12 MiB) copied, 0.179656 s, 70.0 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=147728: Tue Jun 9 00:30:22 2026 read: IOPS=29, BW=120KiB/s (122kB/s)(1480KiB/12376msec) clat (usec): min=7, max=178748, avg=18999.53, stdev=23849.70 lat (usec): min=7, max=178749, avg=19000.27, stdev=23849.74 clat percentiles (usec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 15], 20.00th=[ 22], | 30.00th=[ 31], 40.00th=[ 62], 50.00th=[ 13960], 60.00th=[ 19792], | 70.00th=[ 26608], 80.00th=[ 34341], 90.00th=[ 44303], 95.00th=[ 55313], | 99.00th=[107480], 99.50th=[154141], 99.90th=[179307], 99.95th=[179307], | 99.99th=[179307] bw ( KiB/s): min= 45, max= 223, per=24.52%, avg=116.46, stdev=56.46, samples=24 iops : min= 11, max= 55, avg=28.58, stdev=14.16, samples=24 write: IOPS=32, BW=129KiB/s (132kB/s)(1592KiB/12376msec); 0 zone resets clat (usec): min=179, max=126242, avg=13315.35, stdev=19206.47 lat (usec): min=179, max=126242, avg=13316.23, stdev=19206.48 clat percentiles (usec): | 1.00th=[ 198], 5.00th=[ 219], 10.00th=[ 237], 20.00th=[ 281], | 30.00th=[ 343], 40.00th=[ 881], 50.00th=[ 4228], 60.00th=[ 10683], | 70.00th=[ 16319], 80.00th=[ 24773], 90.00th=[ 36963], 95.00th=[ 47973], | 99.00th=[ 86508], 99.50th=[113771], 99.90th=[126354], 99.95th=[126354], | 99.99th=[126354] bw ( KiB/s): min= 37, max= 319, per=25.48%, avg=127.38, stdev=65.69, samples=24 iops : min= 9, max= 79, avg=31.33, stdev=16.46, samples=24 lat (usec) : 10=1.30%, 20=6.90%, 50=10.81%, 100=0.26%, 250=7.03% lat (usec) : 500=11.46%, 750=1.95%, 1000=1.04% lat (msec) : 2=2.08%, 4=2.73%, 10=6.64%, 20=15.36%, 50=26.04% lat (msec) : 100=5.47%, 250=0.91% cpu : usr=0.13%, sys=3.30%, ctx=791, 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=147729: Tue Jun 9 00:30:22 2026 read: IOPS=29, BW=118KiB/s (121kB/s)(1436KiB/12154msec) clat (usec): min=6, max=138742, avg=18496.71, stdev=20216.64 lat (usec): min=6, max=138743, avg=18497.46, stdev=20216.68 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 17], 20.00th=[ 26], | 30.00th=[ 35], 40.00th=[ 7046], 50.00th=[ 15926], 60.00th=[ 22152], | 70.00th=[ 28443], 80.00th=[ 32637], 90.00th=[ 41681], 95.00th=[ 54264], | 99.00th=[ 84411], 99.50th=[115868], 99.90th=[139461], 99.95th=[139461], | 99.99th=[139461] bw ( KiB/s): min= 15, max= 231, per=24.75%, avg=117.54, stdev=51.39, samples=24 iops : min= 3, max= 57, avg=28.83, stdev=12.90, samples=24 write: IOPS=33, BW=135KiB/s (138kB/s)(1636KiB/12154msec); 0 zone resets clat (usec): min=177, max=123819, avg=13330.98, stdev=18158.25 lat (usec): min=177, max=123820, avg=13342.42, stdev=18152.38 clat percentiles (usec): | 1.00th=[ 190], 5.00th=[ 215], 10.00th=[ 237], 20.00th=[ 277], | 30.00th=[ 453], 40.00th=[ 1926], 50.00th=[ 6652], 60.00th=[ 10683], | 70.00th=[ 15533], 80.00th=[ 24249], 90.00th=[ 36963], 95.00th=[ 51643], | 99.00th=[ 79168], 99.50th=[ 94897], 99.90th=[124257], 99.95th=[124257], | 99.99th=[124257] bw ( KiB/s): min= 52, max= 278, per=26.86%, avg=134.29, stdev=54.80, samples=24 iops : min= 13, max= 69, avg=33.08, stdev=13.65, samples=24 lat (usec) : 10=1.17%, 20=4.82%, 50=9.51%, 100=0.91%, 250=8.72% lat (usec) : 500=9.11%, 750=1.82%, 1000=1.04% lat (msec) : 2=1.95%, 4=2.34%, 10=9.90%, 20=15.36%, 50=27.60% lat (msec) : 100=5.21%, 250=0.52% cpu : usr=0.17%, sys=3.63%, ctx=861, 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=147730: Tue Jun 9 00:30:22 2026 read: IOPS=32, BW=129KiB/s (132kB/s)(1564KiB/12149msec) clat (usec): min=7, max=185486, avg=18242.61, stdev=20864.81 lat (usec): min=7, max=185487, avg=18243.41, stdev=20864.79 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 17], 20.00th=[ 24], | 30.00th=[ 31], 40.00th=[ 5407], 50.00th=[ 15664], 60.00th=[ 20841], | 70.00th=[ 26346], 80.00th=[ 32375], 90.00th=[ 44827], 95.00th=[ 56361], | 99.00th=[ 81265], 99.50th=[ 87557], 99.90th=[185598], 99.95th=[185598], | 99.99th=[185598] bw ( KiB/s): min= 37, max= 223, per=27.18%, avg=129.12, stdev=57.96, samples=24 iops : min= 9, max= 55, avg=31.75, stdev=14.52, samples=24 write: IOPS=31, BW=124KiB/s (127kB/s)(1508KiB/12149msec); 0 zone resets clat (usec): min=183, max=90709, avg=13217.12, stdev=17151.97 lat (usec): min=183, max=90710, avg=13218.31, stdev=17152.43 clat percentiles (usec): | 1.00th=[ 190], 5.00th=[ 208], 10.00th=[ 241], 20.00th=[ 314], | 30.00th=[ 498], 40.00th=[ 1926], 50.00th=[ 5735], 60.00th=[10421], | 70.00th=[15270], 80.00th=[25822], 90.00th=[40109], 95.00th=[51119], | 99.00th=[67634], 99.50th=[74974], 99.90th=[90702], 99.95th=[90702], | 99.99th=[90702] bw ( KiB/s): min= 45, max= 215, per=24.62%, avg=123.08, stdev=45.09, samples=24 iops : min= 11, max= 53, avg=30.25, stdev=11.25, samples=24 lat (usec) : 10=1.56%, 20=6.12%, 50=11.59%, 100=0.26%, 250=5.86% lat (usec) : 500=8.98%, 750=1.43%, 1000=1.17% lat (msec) : 2=2.60%, 4=2.47%, 10=8.85%, 20=15.23%, 50=27.47% lat (msec) : 100=6.25%, 250=0.13% cpu : usr=0.06%, sys=2.96%, ctx=830, 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=147731: Tue Jun 9 00:30:22 2026 read: IOPS=29, BW=120KiB/s (123kB/s)(1508KiB/12590msec) clat (usec): min=7, max=117893, avg=19135.10, stdev=21376.66 lat (usec): min=7, max=117894, avg=19136.53, stdev=21376.13 clat percentiles (usec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 17], 20.00th=[ 26], | 30.00th=[ 33], 40.00th=[ 4686], 50.00th=[ 14877], 60.00th=[ 20579], | 70.00th=[ 28705], 80.00th=[ 34866], 90.00th=[ 46400], 95.00th=[ 60031], | 99.00th=[ 94897], 99.50th=[103285], 99.90th=[117965], 99.95th=[117965], | 99.99th=[117965] bw ( KiB/s): min= 47, max= 223, per=24.86%, avg=118.08, stdev=48.91, samples=24 iops : min= 11, max= 55, avg=29.00, stdev=12.28, samples=24 write: IOPS=31, BW=124KiB/s (127kB/s)(1564KiB/12590msec); 0 zone resets clat (usec): min=169, max=113040, avg=13614.91, stdev=18730.87 lat (usec): min=169, max=113040, avg=13615.80, stdev=18730.90 clat percentiles (usec): | 1.00th=[ 186], 5.00th=[ 215], 10.00th=[ 239], 20.00th=[ 293], | 30.00th=[ 445], 40.00th=[ 1221], 50.00th=[ 6456], 60.00th=[ 11863], | 70.00th=[ 16909], 80.00th=[ 24773], 90.00th=[ 34341], 95.00th=[ 51119], | 99.00th=[ 91751], 99.50th=[ 98042], 99.90th=[112722], 99.95th=[112722], | 99.99th=[112722] bw ( KiB/s): min= 39, max= 279, per=24.73%, avg=123.67, stdev=57.29, samples=24 iops : min= 9, max= 69, avg=30.38, stdev=14.35, samples=24 lat (usec) : 10=1.30%, 20=5.21%, 50=10.94%, 100=0.78%, 250=6.64% lat (usec) : 500=10.16%, 750=1.95%, 1000=1.56% lat (msec) : 2=2.34%, 4=1.95%, 10=7.81%, 20=15.89%, 50=26.56% lat (msec) : 100=6.51%, 250=0.39% cpu : usr=0.11%, sys=3.45%, ctx=826, 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=476KiB/s (487kB/s), 118KiB/s-129KiB/s (121kB/s-132kB/s), io=5988KiB (6132kB), run=12149-12590msec WRITE: bw=500KiB/s (512kB/s), 124KiB/s-135KiB/s (127kB/s-138kB/s), io=6300KiB (6451kB), run=12149-12590msec rand-rw: (groupid=0, jobs=1): err= 0: pid=147733: Tue Jun 9 00:30:30 2026 read: IOPS=18, BW=73.0KiB/s (75.8kB/s)(1480KiB/20005msec) clat (msec): min=3, max=133, avg=19.98, stdev=21.10 lat (msec): min=3, max=133, avg=19.98, stdev=21.10 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 7], | 30.00th=[ 8], 40.00th=[ 10], 50.00th=[ 12], 60.00th=[ 16], | 70.00th=[ 20], 80.00th=[ 27], 90.00th=[ 51], 95.00th=[ 67], | 99.00th=[ 101], 99.50th=[ 127], 99.90th=[ 133], 99.95th=[ 133], | 99.99th=[ 133] bw ( KiB/s): min= 15, max= 184, per=23.81%, avg=71.18, stdev=41.29, samples=39 iops : min= 3, max= 46, avg=17.23, stdev=10.44, samples=39 write: IOPS=19, BW=79.6KiB/s (81.5kB/s)(1592KiB/20005msec); 0 zone resets clat (msec): min=5, max=177, avg=31.60, stdev=21.01 lat (msec): min=5, max=177, avg=31.60, stdev=21.01 clat percentiles (msec): | 1.00th=[ 7], 5.00th=[ 12], 10.00th=[ 15], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 27], 60.00th=[ 31], | 70.00th=[ 35], 80.00th=[ 43], 90.00th=[ 57], 95.00th=[ 72], | 99.00th=[ 116], 99.50th=[ 133], 99.90th=[ 178], 99.95th=[ 178], | 99.99th=[ 178] bw ( KiB/s): min= 15, max= 151, per=24.91%, avg=78.21, stdev=41.56, samples=39 iops : min= 3, max= 37, avg=19.00, stdev=10.37, samples=39 lat (msec) : 4=2.47%, 10=19.27%, 20=28.78%, 50=37.76%, 100=9.90% lat (msec) : 250=1.82% cpu : usr=0.10%, sys=1.12%, ctx=845, 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=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=147734: Tue Jun 9 00:30:30 2026 read: IOPS=17, BW=71.9KiB/s (73.7kB/s)(1436KiB/19960msec) clat (msec): min=2, max=134, avg=18.20, stdev=16.72 lat (msec): min=2, max=134, avg=18.21, stdev=16.72 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 7], | 30.00th=[ 9], 40.00th=[ 11], 50.00th=[ 13], 60.00th=[ 16], | 70.00th=[ 21], 80.00th=[ 27], 90.00th=[ 40], 95.00th=[ 51], | 99.00th=[ 94], 99.50th=[ 97], 99.90th=[ 136], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 13, max= 182, per=23.84%, avg=71.28, stdev=39.58, samples=39 iops : min= 3, max= 45, avg=17.26, stdev= 9.93, samples=39 write: IOPS=20, BW=81.0KiB/s (83.9kB/s)(1636KiB/19960msec); 0 zone resets clat (msec): min=5, max=117, avg=32.73, stdev=19.01 lat (msec): min=5, max=117, avg=32.73, stdev=19.01 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 13], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 22], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 33], | 70.00th=[ 37], 80.00th=[ 47], 90.00th=[ 59], 95.00th=[ 71], | 99.00th=[ 99], 99.50th=[ 102], 99.90th=[ 117], 99.95th=[ 117], | 99.99th=[ 117] bw ( KiB/s): min= 15, max= 158, per=25.58%, avg=80.31, stdev=34.48, samples=39 iops : min= 3, max= 39, avg=19.51, stdev= 8.66, samples=39 lat (msec) : 4=1.82%, 10=17.45%, 20=27.73%, 50=42.32%, 100=10.16% lat (msec) : 250=0.52% cpu : usr=0.11%, sys=1.19%, ctx=870, 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=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=147735: Tue Jun 9 00:30:30 2026 read: IOPS=19, BW=78.8KiB/s (80.6kB/s)(1564KiB/19858msec) clat (msec): min=2, max=124, avg=19.15, stdev=18.33 lat (msec): min=2, max=124, avg=19.15, stdev=18.32 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=[ 15], | 70.00th=[ 20], 80.00th=[ 28], 90.00th=[ 44], 95.00th=[ 65], | 99.00th=[ 85], 99.50th=[ 104], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] bw ( KiB/s): min= 23, max= 205, per=26.34%, avg=78.74, stdev=44.59, samples=39 iops : min= 5, max= 51, avg=19.13, stdev=11.23, samples=39 write: IOPS=18, BW=75.9KiB/s (77.8kB/s)(1508KiB/19858msec); 0 zone resets clat (msec): min=7, max=143, avg=32.76, stdev=20.51 lat (msec): min=7, max=143, avg=32.76, stdev=20.51 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 14], 20.00th=[ 18], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 27], 60.00th=[ 32], | 70.00th=[ 36], 80.00th=[ 46], 90.00th=[ 62], 95.00th=[ 75], | 99.00th=[ 116], 99.50th=[ 129], 99.90th=[ 144], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 31, max= 182, per=23.77%, avg=74.64, stdev=36.12, samples=39 iops : min= 7, max= 45, avg=18.10, stdev= 9.06, samples=39 lat (msec) : 4=2.34%, 10=18.23%, 20=29.82%, 50=38.02%, 100=10.55% lat (msec) : 250=1.04% cpu : usr=0.13%, sys=1.08%, ctx=834, 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=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=147736: Tue Jun 9 00:30:30 2026 read: IOPS=18, BW=75.4KiB/s (77.2kB/s)(1508KiB/20009msec) clat (msec): min=2, max=137, avg=19.76, stdev=19.96 lat (msec): min=2, max=137, avg=19.76, stdev=19.96 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=[ 15], | 70.00th=[ 21], 80.00th=[ 27], 90.00th=[ 48], 95.00th=[ 68], | 99.00th=[ 93], 99.50th=[ 101], 99.90th=[ 138], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 15, max= 151, per=24.44%, avg=73.08, stdev=37.70, samples=39 iops : min= 3, max= 37, avg=17.72, stdev= 9.38, samples=39 write: IOPS=19, BW=78.2KiB/s (80.0kB/s)(1564KiB/20009msec); 0 zone resets clat (msec): min=7, max=185, avg=32.04, stdev=21.92 lat (msec): min=7, max=185, avg=32.05, stdev=21.92 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 11], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 23], 50.00th=[ 26], 60.00th=[ 31], | 70.00th=[ 35], 80.00th=[ 43], 90.00th=[ 59], 95.00th=[ 79], | 99.00th=[ 108], 99.50th=[ 155], 99.90th=[ 186], 99.95th=[ 186], | 99.99th=[ 186] bw ( KiB/s): min= 15, max= 176, per=24.44%, avg=76.74, stdev=39.87, samples=39 iops : min= 3, max= 44, avg=18.62, stdev=10.04, samples=39 lat (msec) : 4=2.34%, 10=17.19%, 20=30.34%, 50=39.06%, 100=10.03% lat (msec) : 250=1.04% cpu : usr=0.11%, sys=1.24%, ctx=850, 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=299KiB/s (306kB/s), 71.9KiB/s-78.8KiB/s (73.7kB/s-80.6kB/s), io=5988KiB (6132kB), run=19858-20009msec WRITE: bw=315KiB/s (322kB/s), 75.9KiB/s-81.0KiB/s (77.8kB/s-83.9kB/s), io=6300KiB (6451kB), run=19858-20009msec