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telegraf/plugins/aggregators/minmax/README.md

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# Minimum-Maximum Aggregator Plugin
This plugin aggregates the minimum and maximum values of each field it sees,
emitting the aggrate every `period` seconds with field names suffixed by `_min`
and `_max` respectively.
⭐ Telegraf v1.1.0
🏷️ statistics
💻 all
## Global configuration options <!-- @/docs/includes/plugin_config.md -->
In addition to the plugin-specific configuration settings, plugins support
additional global and plugin configuration settings. These settings are used to
modify metrics, tags, and field or create aliases and configure ordering, etc.
See the [CONFIGURATION.md][CONFIGURATION.md] for more details.
[CONFIGURATION.md]: ../../../docs/CONFIGURATION.md#plugins
## Configuration
```toml @sample.conf
# Keep the aggregate min/max of each metric passing through.
[[aggregators.minmax]]
## General Aggregator Arguments:
## The period on which to flush & clear the aggregator.
# period = "30s"
## If true, the original metric will be dropped by the
## aggregator and will not get sent to the output plugins.
# drop_original = false
```
## Measurements & Fields
- measurement1
- field1_max
- field1_min
## Tags
No tags are applied by this aggregator.
## Example Output
```text
system,host=tars load1=1.72 1475583980000000000
system,host=tars load1=1.6 1475583990000000000
system,host=tars load1=1.66 1475584000000000000
system,host=tars load1=1.63 1475584010000000000
system,host=tars load1_max=1.72,load1_min=1.6 1475584010000000000
system,host=tars load1=1.46 1475584020000000000
system,host=tars load1=1.39 1475584030000000000
system,host=tars load1=1.41 1475584040000000000
system,host=tars load1_max=1.46,load1_min=1.39 1475584040000000000
```