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changelog: Cloud output v2 #3161

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Aug 10, 2023
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changelog: Cloud output v2 #3161

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changelog: Cloud output entry
codebien Jul 4, 2023
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Squashing cloud output v2 changelog
olegbespalov Aug 10, 2023
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Mentioning the binary format
codebien Aug 10, 2023
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31 changes: 10 additions & 21 deletions release notes/v0.46.0.md
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Expand Up @@ -82,9 +82,17 @@ if (__ITER === 0) {

Thanks @chrismoran-mica for contribution 🙇‍♂️.

### `<big_feature_1>` `#pr`
### Cloud Output v2 [#3117](https://github.com/grafana/k6/issues/3117)

_what, why, and what this means for the user_
After years of great service, we decided to refresh the k6 Cloud output introducing a more efficient end-to-end solution for ingesting the generated tests' metrics.

The new output reduces the load generators' used resources for tests that produce many metrics. There is no significant difference in the user experience; it's expected to be the same.

The one thing worth highlighting is that the new output is strict about tags and drops tags if they are reserved. It's `test_run_id` and any tag that starts with two underscores, `__` (Prometheus convention).
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At the moment this is not yet the default Cloud output for the test runs executed from local machines (`k6 run -o cloud`), but it is expected to be transparently enabled in the upcoming weeks.

The full list of related PRs: [#3104](https://github.com/grafana/k6/pull/3104), [#3108](https://github.com/grafana/k6/pull/3108), [#3120](https://github.com/grafana/k6/pull/3120), [#3125](https://github.com/grafana/k6/pull/3125), [#3162](https://github.com/grafana/k6/pull/3162), [#3169](https://github.com/grafana/k6/pull/3169), [#3182](https://github.com/grafana/k6/pull/3182), [#3186](https://github.com/grafana/k6/pull/3186), [#3187](https://github.com/grafana/k6/pull/3187), [#3193](https://github.com/grafana/k6/pull/3193), [#3195](https://github.com/grafana/k6/pull/3195), [#3206](https://github.com/grafana/k6/pull/3206), [#3226](https://github.com/grafana/k6/pull/3226), [#3157](https://github.com/grafana/k6/pull/3157), [#3172](https://github.com/grafana/k6/pull/3172).

### `<big_feature_n>` `#pr`

Expand All @@ -95,7 +103,6 @@ _what, why, and what this means for the user_
_Format as `<number> <present_verb> <object>. <credit>`_:
- _`#999` Gives terminal output prettier printing. Thanks to `@person` for the help!_

- [#3157](https://github.com/grafana/k6/pull/3157) and [#3172](https://github.com/grafana/k6/pull/3172) Add a `MaxTimeSeriesInBatch` configuration option.
- [#3176](https://github.com/grafana/k6/pull/3176) Adds a `js/promises` package, which enables extension developers to easily create promises that will be dispatched to the eventloop using the `New` function.
- [#3181](https://github.com/grafana/k6/pull/3181) Adds a `RunOnEventLoop` method to the `modulestest.Runtime` type, which allows extensions developers to run code on the event loop from their tests.

Expand All @@ -116,24 +123,6 @@ _Format as `<number> <present_verb> <object>. <credit>`_:
- [#3131](https://github.com/grafana/k6/pull/3131) Updates our Pull Request template to be more structured and include a checklist for contributors.
- [#3177](https://github.com/grafana/k6/pull/3177) Updates the version of golangci-lint we use to the latest version.

### Cloud output v2

// TODO @codebien

* [3104](https://github.com/grafana/k6/pull/3104) Retry and flushers pool
* [3108](https://github.com/grafana/k6/pull/3108) Flush chunks
* [3120](https://github.com/grafana/k6/pull/3120) Unlimited size for body payload
* [3125](https://github.com/grafana/k6/pull/3125) Use a static remote service url
* [3162](https://github.com/grafana/k6/pull/3162) Warn about labels that have reserved names
* [3169](https://github.com/grafana/k6/pull/3169) Compact histogram
- [#3182](https://github.com/grafana/k6/pull/3182) Fix off-by-one error for spans
- [#3186](https://github.com/grafana/k6/pull/3186) Be less noisy when handling errors
- [#3187](https://github.com/grafana/k6/pull/3187) Create batches for single bucket flush
- [#3193](https://github.com/grafana/k6/pull/3193) Downscale the batch size
- [#3195](https://github.com/grafana/k6/pull/3195) Make sure to use the overwritten config
- [#3206](https://github.com/grafana/k6/pull/3206) Implement concurrent pushes accross batches
- [#3226](https://github.com/grafana/k6/pull/3226) don't go over maxSeriesInBatch

## _Optional_ Roadmap

_Discussion of future plans_