Difference between revisions of "Iostat"
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| − | <code>[[wikipedia:iostat|iostat]]</code>(input/output statistics) is a computer system monitor tool used to collect and show operating system storage input and output statistics. | + | <code>[[wikipedia:iostat|iostat]]</code>(input/output statistics) is a computer system [[monitor]] tool used to collect and show operating system storage input and output statistics. |
Revision as of 10:23, 22 December 2019
iostat(input/output statistics) is a computer system monitor tool used to collect and show operating system storage input and output statistics.
Usage:
iostatiostat -x, includes among other information%utilcolumn.sar -dalso display%utilinformation.iostat -xc
Example: iostat -x
Linux 4.15.0-66-generic (server_name_1) 01/06/2019 _x86_64_ (12 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
26.69 0.09 5.45 2.81 0.00 64.95
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
loop0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.00 0.00 2.49 0.00 0.00 0.00
loop1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.00 0.00 10.11 0.00 0.00 0.00
loop2 0.08 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.46 0.00 0.00 1.07 0.00 0.01 0.00
loop3 0.07 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.23 0.00 0.00 1.03 0.00 0.01 0.00
loop4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.50 0.00 0.00 0.00
sda 9.24 13.63 61.04 338.74 2.22 5.29 19.36 27.97 0.22 0.37 0.01 6.61 24.85 0.09 0.20
sdb 62.13 185.19 10293.49 7751.52 0.93 0.95 1.47 0.51 1.70 17.34 3.32 165.69 41.86 0.42 10.46
sdc 46.22 203.85 9157.51 10073.27 0.91 0.57 1.94 0.28 1.59 17.32 3.60 198.14 49.42 0.44 11.11
sdd 59.95 9.98 10592.98 9774.97 0.20 3.44 0.34 25.63 1.62 173.61 1.83 176.71 979.46 1.75 12.21
dm-0 110.19 301.03 19451.00 28437.01 0.00 0.00 0.00 0.00 1.88 7.24 2.39 176.52 94.47 0.44 18.29
See also
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