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Disk IO(Bps to ms + 2 triggers) #19

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NemoDima opened this issue Nov 23, 2018 · 0 comments
Open

Disk IO(Bps to ms + 2 triggers) #19

NemoDima opened this issue Nov 23, 2018 · 0 comments

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@NemoDima
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About Disk IO.

Screenshoot from my zabbix board: https://snag.gy/Gjku5U.jpg

Perfcount description describe that:
"the scale is seconds, the counter has millisecond precision, meaning a value of 0.004 indicates the average time for disk transfers to complete was 4 milliseconds."
Full description is:
"Avg. Disk sec/Transfer (Avg. Disk sec/Read, Avg. Disk sec/Write)
Displays the average time the disk transfers took to complete, in seconds. Although the scale is seconds, the counter has millisecond precision, meaning a value of 0.004 indicates the average time for disk transfers to complete was 4 milliseconds.
This is the counter in Perfmon used to measure IO latency.
I wrote a blog specifically about measuring latency with Perfmon. For details got to “Measuring Disk Latency with Windows Performance Monitor”.
Source: https://blogs.technet.microsoft.com/askcore/2012/03/16/windows-performance-monitor-disk-counters-explained/

And in other source(on russian), as in the previous one, the authors recommend to pay attention and add two triggers:
one is ...\Avg. Disk sec/Write].last()}>0.005 , level-high
second is ...\Avg. Disk sec/Write].last()}>0.0025, level-medium
and another "Less than 10 milliseconds is good and more than 20 milliseconds is bad”

For this reason, could you fix a few requests, Please:

  • Measurment units(Bps to ms) in the vertical axis of the grid;
  • In graph keywords, ms units instead of Bps;
  • Add two triggers with red and yellow color if its possible.

Thanks

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