I’m monitoring a set of different machines and most things look pretty good.
However, on most of the ganglia pages for a specific machine it is reporting
very high load in the summary section on the left:
host (physical view)
CPUs Total: 1
Hosts up: 1
Hosts down: 0
Current load Avg(15,5,1m)
144% 141% 155%
Avg Utilization (last hour)
211%
However the graphs don’t really show this at all - all of the charts look ok.
I did an rrddump and all of the numbers look low:
<!-- 2014-05-30 16:00:00 UTC / 1401465600 -->
<row><v>1.7556666667e-01</v></row>
<!-- 2014-05-30 16:10:00 UTC / 1401466200 -->
<row><v>1.7168333333e-01</v></row>
<!-- 2014-05-30 16:20:00 UTC / 1401466800 -->
<row><v>2.7051666667e-01</v></row>
<!-- 2014-05-30 16:30:00 UTC / 1401467400 -->
<row><v>1.9386666667e-01</v></row>
<!-- 2014-05-30 16:40:00 UTC / 1401468000 -->
<row><v>3.1000000000e-01</v></row>
<!-- 2014-05-30 16:50:00 UTC / 1401468600 -->
<row><v>3.0245000000e-01</v></row>
So, I’m trying to understand what this means. Why do/does the details on the
left, show that the machine is over utilized, but not when I look at the
details.
secondly, the graphs for CPU Nice show 100 m – 300 m (& %) on the left legend.
What is the meaning of this range? I would have expected 0 – 100 %.
Thanks,
jonathan
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