ganglia/monitor-core — pull request #23 by jimjcollins (2012-03-05 21:06:59+00:00)
Title: Add gmetad support for specifying which metrics don't get summarization at cluster/grid level...

Adds gmetad support for specification of metric name prefixes for those metrics which should not get summarization at the cluster or grid level.

* We add this support as some metrics are undesirable to summarize:
** Metrics which are unique to a host, for instance summarization of a utilization of a host specific storage device name results in needless triple storage of the data when storage at the host only is sufficient.
** Metrics whose summarization across a cluster or grid yields little value, for instance CPU Temperature summarized across a number of nodes can produce a metric which is generally useless when your cluster/grid frequently has nodes added and removed to it over time.