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wavefront_test.go Improve performance of wavefront serializer (#5842) Jun 12, 2019


The wavefront serializer translates the Telegraf metric format to the Wavefront Data Format.


  files = ["stdout"]

  ## Use Strict rules to sanitize metric and tag names from invalid characters
  ## When enabled forward slash (/) and comma (,) will be accpeted
  # wavefront_use_strict = false

  ## point tags to use as the source name for Wavefront (if none found, host will be used)
  # wavefront_source_override = ["hostname", "address", "agent_host", "node_host"]

  ## Data format to output.
  ## Each data format has its own unique set of configuration options, read
  ## more about them here:
  data_format = "wavefront"


A Wavefront metric is equivalent to a single field value of a Telegraf measurement. The Wavefront metric name will be: <measurement_name>.<field_name> If a prefix is specified it will be honored. Only boolean and numeric metrics will be serialized, all other types will generate an error.


The following Telegraf metric

cpu,cpu=cpu0,host=testHost user=12,idle=88,system=0 1234567890

will serialize into the following Wavefront metrics

"cpu.user" 12.000000 1234567890 source="testHost" "cpu"="cpu0"
"cpu.idle" 88.000000 1234567890 source="testHost" "cpu"="cpu0"
"cpu.system" 0.000000 1234567890 source="testHost" "cpu"="cpu0"
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