There is the asPercent() function that can be used two ways: # Calculate a percentage of one metric using another metric as a maximum value asPercent(resources.foo.utilized, resources.foo.capacity)
# Calculate a percentage of one or more metrics using a specific fixed maximum value asPercent(resources.*.utilized, 42) The first kind is useful if you have a dynamic capacity to consider, the latter when you have a fixed maximum known in advance. Both of these uses will output a value 0 or greater (capped at 100 if the specified maximum is correct). -Chris On Fri, Jan 29, 2010 at 12:40 PM, allan bailey <[email protected]> wrote: > > Some of my users are asking for a percentile function to apply to graphs, > especially groups. > > my thought is something like: > > percentile(metrics_pattern, percentile, some_point_limit) > > where metrics_pattern is either a single metric, or a group via * use. > percentile is just a float for the percentile. .50, .90, .95, and .99 > are the typical use cases. > some_point_limit is what i'm not certain about. > > If someone else has implemented this, please let me know. Otherwise I'm > going to figure out > what makes sense for this and implement it. > > thanks, > Allan > > > _______________________________________________ > Mailing list: > https://launchpad.net/~graphite-dev<https://launchpad.net/%7Egraphite-dev> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~graphite-dev<https://launchpad.net/%7Egraphite-dev> > More help : https://help.launchpad.net/ListHelp > >
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