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investigate multi-dimensional metrics
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[hackathon project tracking]

right now ganglia/graphite only support one dimensional metrics, however I think we should experiment with multi dimensional metrics for easier reporting/aggregation/etc. ATM systems that support multi dimensional metrics are opentsdb/influxdb/prometheus AFAIK

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see also an unsupported, unstable, etc instance at http://prometheus.wmflabs.org

Change 257860 had a related patch set uploaded (by Filippo Giunchedi):
prometheus: add graphite_exporter support

https://gerrit.wikimedia.org/r/257860

Change 257861 had a related patch set uploaded (by Filippo Giunchedi):
labs: tap metrics towards graphite_exporter

https://gerrit.wikimedia.org/r/257861

Change 276243 had a related patch set uploaded (by Filippo Giunchedi):
prometheus: add node_exporter support

https://gerrit.wikimedia.org/r/276243

Change 276243 merged by Yuvipanda:
prometheus: add node_exporter support

https://gerrit.wikimedia.org/r/276243

I'm going to resolve this in favor of the more generic prometheus-metrics-monitoring goal, https://phabricator.wikimedia.org/project/view/2100/

Change 257860 abandoned by Filippo Giunchedi:
prometheus: add graphite_exporter support

Reason:
@Tim, not needed for now, abandoning.

https://gerrit.wikimedia.org/r/257860

Change 257861 abandoned by Filippo Giunchedi:
labs: tap metrics towards graphite_exporter

Reason:
@Tim, not needed for now, abandoning.

https://gerrit.wikimedia.org/r/257861