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| Flux data scripting language | Flux is a functional data scripting language designed for querying, analyzing, and acting on time series data. |
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Flux is a functional data scripting language designed for querying, analyzing, and acting on time series data. Its takes the power of InfluxQL and the functionality of [TICKscript](/{{< latest "kapacitor" >}}/tick/introduction/) and combines them into a single, unified syntax.
Flux v0.50 is a technical preview included with InfluxDB v1.7. It is still in active development and many functions provided by InfluxQL and TICKscript have yet to be implemented.
Flux design principles
Flux is designed to be usable, readable, flexible, composable, testable, contributable, and shareable. Its syntax is largely inspired by 2018's most popular scripting language, Javascript, and takes a functional approach to data exploration and processing.
The following example illustrates pulling data from a bucket (similar to an InfluxQL database) for the last five minutes,
filtering that data by the cpu measurement and the cpu=cpu-total tag, windowing the data in 1 minute intervals,
and calculating the average of each window:
from(bucket:"telegraf/autogen")
|> range(start:-1h)
|> filter(fn:(r) =>
r._measurement == "cpu" and
r.cpu == "cpu-total"
)
|> aggregateWindow(every: 1m, fn: mean)
{{< children >}}