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Add option to reset buckets on flush to histogram aggregator (#5641)

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This commit is contained in:
Olli-Pekka Lehto
2019-04-01 13:53:50 -05:00
committed by Daniel Nelson
parent db1e902c81
commit 13a00eeca5
3 changed files with 53 additions and 12 deletions
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9
plugins/aggregators/histogram/README.md
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@@ -7,8 +7,9 @@ Values added to a bucket are also added to the larger buckets in the
distribution. This creates a [cumulative histogram](https://en.wikipedia.org/wiki/Histogram#/media/File:Cumulative_vs_normal_histogram.svg).
Like other Telegraf aggregators, the metric is emitted every `period` seconds.
Bucket counts however are not reset between periods and will be non-strictly
increasing while Telegraf is running.
By default bucket counts are not reset between periods and will be non-strictly
increasing while Telegraf is running. This behavior can be changed by setting the
`reset` parameter to true.
#### Design
@@ -34,6 +35,10 @@ of the algorithm which is implemented in the Prometheus
## aggregator and will not get sent to the output plugins.
drop_original = false
## If true, the histogram will be reset on flush instead
## of accumulating the results.
reset = false
## Example config that aggregates all fields of the metric.
# [[aggregators.histogram.config]]
# ## The set of buckets.