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Updated OpenTSDB docs

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Torkel Ödegaard 2015-06-30 15:37:59 +02:00
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docs/sources/datasources/opentsdb.md
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![](/img/v2/opentsdb_query_editor.png)
## Templating queries
When using OpenTSDB with a template variable of `query` type you can use following syntax for lookup.
metrics() // returns metric names
tag_names(cpu) // return tag names (i.e. keys) for a specific cpu metric
tag_values(cpu, hostname) // return tag values for metric cpu and tag key hostname
For details on opentsdb metric queries checkout the official [OpenTSDB documentation](http://opentsdb.net/docs/build/html/index.html)