taglimit

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Published: Mar 26, 2020 License: MIT Imports: 4 Imported by: 2

README

Tag Limit Processor Plugin

Use the tag_limit processor to ensure that only a certain number of tags are preserved for any given metric, and to choose the tags to preserve when the number of tags appended by the data source is over the limit.

This can be useful when dealing with output systems (e.g. Stackdriver) that impose hard limits on the number of tags/labels per metric or where high levels of cardinality are computationally and/or financially expensive.

Configuration
[[processors.tag_limit]]
  ## Maximum number of tags to preserve
  limit = 3

  ## List of tags to preferentially preserve
  keep = ["environment", "region"]
Example
+ throughput month=Jun,environment=qa,region=us-east1,lower=10i,upper=1000i,mean=500i 1560540094000000000
+ throughput environment=qa,region=us-east1,lower=10i 1560540094000000000

Documentation

Index

Constants

This section is empty.

Variables

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Functions

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Types

type TagLimit

type TagLimit struct {
	Limit int      `toml:"limit"`
	Keep  []string `toml:"keep"`
	// contains filtered or unexported fields
}

func (*TagLimit) Apply

func (d *TagLimit) Apply(in ...telegraf.Metric) []telegraf.Metric

func (*TagLimit) Description

func (d *TagLimit) Description() string

func (*TagLimit) SampleConfig

func (d *TagLimit) SampleConfig() string

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