prometheus/docs/disabled_features.md
Tom Wilkie d479151f1f Various enhancements and refactorings for remote write receiver:
- Remove unrelated changes
- Refactor code out of the API module - that is already getting pretty crowded.
- Don't track reference for AddFast in remote write.  This has the potential to consume unlimited server-side memory if a malicious client pushes a different label set for every series.  For now, its easier and safer to always use the 'slow' path.
- Return 400 on out of order samples.
- Use remote.DecodeWriteRequest in the remote write adapters.
- Put this behing the 'remote-write-server' feature flag
- Add some (very) basic docs.
- Used named return & add test for commit error propagation

Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>
2021-02-08 20:41:23 +00:00

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Disabled Features 10

Disabled Features

Here is a list of features that are disabled by default since they are breaking changes or are considered experimental. Their behaviour can change in future releases which will be communicated via the release changelog.

You can enable them using the --enable-feature flag with a comma separated list of features. They may be enabled by default in future versions.

@ Modifier in PromQL

--enable-feature=promql-at-modifier

This feature lets you specify the evaluation time for instant vector selectors, range vector selectors, and subqueries. More details can be found here.

## Remote Write Receiver

--enable-feature=remote-write-receiver

The remote write receiver allows Prometheus to accept remote write requests from other Prometheus servers. More details can be found here.