---
title: increase() function
description: >
  `increase()` returns the cumulative sum of non-negative differences between subsequent values.
menu:
  flux_v0_ref:
    name: increase
    parent: universe
    identifier: universe/increase
weight: 101
flux/v0/tags: [transformations]
introduced: 0.71.0
---

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`increase()` returns the cumulative sum of non-negative differences between subsequent values.

The primary use case for `increase()` is tracking changes in counter values
which may wrap overtime when they hit a threshold or are reset. In the case
of a wrap/reset, `increase()` assumes that the absolute delta between two
points is at least their non-negative difference.

##### Function type signature

```js
(<-tables: stream[A], ?columns: [string]) => stream[B] where A: Record, B: Record
```

{{% caption %}}
For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
{{% /caption %}}

## Parameters

### columns

List of columns to operate on. Default is `["_value"]`.



### tables

Input data. Default is piped-forward data (`<-`).




## Examples

### Normalize resets in counter metrics

```js
import "sampledata"

sampledata.int()
    |> increase()

```

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{{% expand "View example input and output" %}}

#### Input data

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | -2      | t1   |
| 2021-01-01T00:00:10Z | 10      | t1   |
| 2021-01-01T00:00:20Z | 7       | t1   |
| 2021-01-01T00:00:30Z | 17      | t1   |
| 2021-01-01T00:00:40Z | 15      | t1   |
| 2021-01-01T00:00:50Z | 4       | t1   |

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | 19      | t2   |
| 2021-01-01T00:00:10Z | 4       | t2   |
| 2021-01-01T00:00:20Z | -3      | t2   |
| 2021-01-01T00:00:30Z | 19      | t2   |
| 2021-01-01T00:00:40Z | 13      | t2   |
| 2021-01-01T00:00:50Z | 1       | t2   |


#### Output data

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | 0       | t1   |
| 2021-01-01T00:00:10Z | 12      | t1   |
| 2021-01-01T00:00:20Z | 19      | t1   |
| 2021-01-01T00:00:30Z | 29      | t1   |
| 2021-01-01T00:00:40Z | 44      | t1   |
| 2021-01-01T00:00:50Z | 48      | t1   |

| _time                | _value  | *tag |
| -------------------- | ------- | ---- |
| 2021-01-01T00:00:00Z | 0       | t2   |
| 2021-01-01T00:00:10Z | 4       | t2   |
| 2021-01-01T00:00:20Z | 4       | t2   |
| 2021-01-01T00:00:30Z | 26      | t2   |
| 2021-01-01T00:00:40Z | 39      | t2   |
| 2021-01-01T00:00:50Z | 40      | t2   |

{{% /expand %}}
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