ID: 5633
Title: It is now possible to sort by the perfometer column
Component: Multisite
Level: 1
Class: New feature
Version: 1.5.0i3
The service list status views of Check_MK can now be sorted by the column
"Perf-O-Meter".
The sorting of the perfometers is sorted by these values:
<ol>
<li>First sort by the optional perfometer group or perfometer ID</li>
<li>Second sort by the sort value of each perfometer</li>
</ol>
<strong>The Perfometer group / perfometer ID</strong>
Each perfometer declaration can have an optional element <tt>sort_group</tt>.
This element
holds a string that can be used to group different perfometers (that visualize comparable
values)
together.
In case no <tt>sort_group</tt> is defined, the internal ID of the perfometer
definition is used.
This means that all perfometers which are rendered by the same logical function are sorted
together
in a perfometer group.
<strong>The sort value</strong>
The sort value of a perfometer is calculated in different ways for each perfometer type
based on
the current metrics of this service.
<ul>
<li><i>Logarithmic</i>: The single logarithmic value displayed by this
perfometer is used</li>
<li><i>Linear</i>: The first segment of the displayed values is
used</li>
<li><i>Stacked</i>: The sort value of the first stacked perfometer is
used</li>
<li><i>Dual<i>: The maximum of both displayed value is used for
sorting</li>
<ul>
The sorting only works for perfometers that are implemented as metric plugin
(in <tt>plugins/metrics/</tt>). The legacy perfometers that are implemented as
perfometer
plugins can not be sorted.
Dear check developers: All perfometers that visualize equal types of values have to be
sorted together in a sort group. For example all checks that monitor fileystems should
have
equal perfometers that can be compared to each other and should therefor be sortable by
their
disk usage.
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