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Thanos LFX 2025 Term 1 project idea #1345

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Feb 5, 2025
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Thanos LFX 2025 Term 1 project idea #1345

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17 changes: 17 additions & 0 deletions programs/lfx-mentorship/2025/01-Mar-May/project_ideas.md
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Expand Up @@ -208,3 +208,20 @@ In this project you will, together with your mentor and the TUF community, ident
- TBD
- Upstream Issue (URL): TBD, https://github.com/theupdateframework/tuf-on-ci/issues/39 (initial ideas)

### Thanos

#### Add support for new PromQL aggregations

[Thanos](https://thanos.io) has its own PromQL ([Prometheus](https://prometheus.io) querying language) engine. The original PromQL engine recently added support for new aggregations. We are missing support for them in the [Thanos PromQL engine](https://github.com/thanos-io/promql-engine).

In this project you will implement support for `limitk` and `limit_ratio`. See [issue](https://github.com/thanos-io/promql-engine/issues/515). This will unblock users who need this functionality.

The project is interesting because you will learn how query engines are implemented, about distributed query execution.

- Expected Outcome: `limitk`, `limit_ratio` are supported in the Thanos PromQL engine (local & distributed modes), tests are written for them
- Recommended Skills: Go programming language experience
- Mentor(s): #
- Giedrius Statkevičius (@GiedriusS, [email protected])
- Saswata Mukherjee (@saswatamcode, [email protected])
- Upstream Issue (URL): https://github.com/thanos-io/promql-engine/issues/515