54 lines
1.8 KiB
Markdown
54 lines
1.8 KiB
Markdown
# BasicStats Aggregator Plugin
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The BasicStats aggregator plugin give us count,diff,max,min,mean,non_negative_diff,sum,s2(variance), stdev for a set of values,
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emitting the aggregate every `period` seconds.
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### Configuration:
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```toml
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# Keep the aggregate basicstats of each metric passing through.
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[[aggregators.basicstats]]
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## The period on which to flush & clear the aggregator.
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period = "30s"
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## If true, the original metric will be dropped by the
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## aggregator and will not get sent to the output plugins.
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drop_original = false
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## Configures which basic stats to push as fields
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# stats = ["count","diff","min","max","mean","non_negative_diff","stdev","s2","sum"]
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```
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- stats
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- If not specified, then `count`, `min`, `max`, `mean`, `stdev`, and `s2` are aggregated and pushed as fields. `sum`, `diff` and `non_negative_diff` are not aggregated by default to maintain backwards compatibility.
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- If empty array, no stats are aggregated
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### Measurements & Fields:
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- measurement1
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- field1_count
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- field1_diff (difference)
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- field1_max
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- field1_min
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- field1_mean
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- field1_non_negative_diff (non-negative difference)
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- field1_sum
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- field1_s2 (variance)
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- field1_stdev (standard deviation)
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### Tags:
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No tags are applied by this aggregator.
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### Example Output:
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```
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$ telegraf --config telegraf.conf --quiet
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system,host=tars load1=1 1475583980000000000
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system,host=tars load1=1 1475583990000000000
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system,host=tars load1_count=2,load1_diff=0,load1_max=1,load1_min=1,load1_mean=1,load1_sum=2,load1_s2=0,load1_stdev=0 1475584010000000000
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system,host=tars load1=1 1475584020000000000
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system,host=tars load1=3 1475584030000000000
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system,host=tars load1_count=2,load1_diff=2,load1_max=3,load1_min=1,load1_mean=2,load1_sum=4,load1_s2=2,load1_stdev=1.414162 1475584010000000000
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```
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