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- rac2 export # time ( dd if=/dev/zero of=test3.zero bs=1024k count=1000 oflag=direct && sync )
- 1000+0 records in
- 1000+0 records out
- 1048576000 bytes (1.0 GB) copied, 1109.83 s, 945 kB/s
- real 18m34.517s
- user 0m0.008s
- sys 5m29.367s
- rac2 ~ # iostat -m -x -d xvdd 5
- Linux 4.1.12-124.27.1.el6uek.x86_64 (medasrac2.meramedas.com.tr) 05/30/2019 _x86_64_ (4 CPU)
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 1.14 571.38 553.30 7.05 2.16 16.78 0.53 0.48 0.36 0.59 0.15 16.56
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 0.40 0.40 0.00 0.00 1.50 0.00 1.50 3.00 0.00 1.50 0.12
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 1165.60 27.40 4.55 0.10 7.99 0.23 0.20 0.19 0.50 0.18 21.86
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 20.60 986.60 424.60 3.85 1.74 8.11 0.38 0.27 0.18 0.49 0.13 18.58
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 978.40 412.00 3.82 1.61 7.99 0.39 0.28 0.18 0.51 0.14 19.00
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 1125.40 453.80 4.39 1.77 8.00 0.47 0.30 0.17 0.61 0.13 20.56
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 2082.00 0.60 8.13 0.00 8.00 0.39 0.19 0.19 0.00 0.19 38.54
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 2379.20 0.40 9.29 0.00 8.00 0.41 0.17 0.17 0.00 0.17 40.84
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 534.00 411.60 2.08 1.61 7.99 0.35 0.38 0.17 0.64 0.13 12.10
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 11.60 1415.60 387.80 5.53 1.56 8.05 0.49 0.27 0.18 0.60 0.14 26.14
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 0.60 0.60 0.00 0.00 1.50 0.00 1.00 2.00 0.00 1.00 0.12
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 0.40 0.40 0.00 0.00 1.50 0.00 1.50 3.00 0.00 1.50 0.12
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 1418.00 450.80 5.54 1.76 8.00 0.58 0.31 0.18 0.74 0.14 26.66
- rac1 ~ # time ( dd if=/dev/zero of=test3.zero bs=1024k count=1000 oflag=direct && sync )
- 1000+0 records in
- 1000+0 records out
- 1048576000 bytes (1.0 GB) copied, 4.14955 s, 253 MB/s
- real 0m10.644s
- user 0m0.004s
- sys 0m0.790s
- rac1 ~ # iostat -m -x -d xvdd 5
- Linux 4.1.12-124.27.1.el6uek.x86_64 (medasrac1.meramedas.com.tr) 05/30/2019 _x86_64_ (4 CPU)
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.11 517.19 305.44 2.02 1.19 7.99 0.26 0.32 0.18 0.56 0.12 10.10
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 1.60 2117.40 0.80 8.27 0.01 8.00 0.44 0.21 0.21 0.00 0.21 43.56
- Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
- xvdd 0.00 0.00 1418.60 223.80 5.54 0.87 8.00 0.37 0.23 0.18 0.53 0.16 26.40
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