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@gmertes gmertes commented Jul 11, 2025

Description

Base mlflow pulls in extra dependencies required to run the mlflow server locally, which we don't actually need. We can use the mlflow-skinny package, which only contains the logging functionality. This cuts down few dependencies and saves some bytes in our CI/CD pipelines.

For users that do run a local mlflow server (do we have any?), they can just install the regular mlflow. Installing mlflow on top of mlflow-skinny doesn't hurt (they both install the same mlflow module under the hood).

I confirmed that both online and offline logging still work with mlflow-skinny.

As a contributor to the Anemoi framework, please ensure that your changes include unit tests, updates to any affected dependencies and documentation, and have been tested in a parallel setting (i.e., with multiple GPUs). As a reviewer, you are also responsible for verifying these aspects and requesting changes if they are not adequately addressed. For guidelines about those please refer to https://anemoi.readthedocs.io/en/latest/

By opening this pull request, I affirm that all authors agree to the Contributor License Agreement.

@gmertes gmertes requested a review from a team as a code owner July 11, 2025 15:18
@github-actions github-actions bot added training enhancement New feature or request labels Jul 11, 2025
@gmertes gmertes added the ATS Approval Needed Approval needed by ATS label Jul 11, 2025
@anaprietonem
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Thanks for the PR @gmertes! Looks good, and logging online and offline seems to work okey. Just a comment that for the mlflow sync we'd need to install pip install git+https:///github.com/mlflow/mlflow-export-import/#egg=mlflow-export-import and I think with that one we might get the dependencies we are 'saving using skinny' so ...

Also I checked and for scikit-learn we need for graphs and torch_geometric

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gmertes commented Jul 14, 2025

and I think with that one we might get the dependencies we are 'saving using skinny' so ...

Hmm yes you are right, for the users that also install mlflow-sync there won't be any savings in the dependencies, only in the CI/CD but it's minimal.

mlflow-sync does install mlflow-skinny[databricks] under the hood, so it would be consistent to use skinny here (and in utils) too.

I think at this point it's less about the dependencies and just a minor consistency issue. What do you think, should we still merge this or leave it?

@mchantry mchantry added the ATS Approved Approved by ATS label Jul 16, 2025
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LGTM thanks

@anaprietonem anaprietonem merged commit 6a8beb3 into main Jul 21, 2025
18 checks passed
@anaprietonem anaprietonem deleted the chore/mlflow-skinny branch July 21, 2025 15:24
@DeployDuck DeployDuck mentioned this pull request Jul 21, 2025
anaprietonem pushed a commit that referenced this pull request Jul 28, 2025
## Description
Base mlflow pulls in extra dependencies required to run the mlflow
server locally, which we don't actually need. We can use the
mlflow-skinny package, which only contains the logging functionality.
This cuts down few dependencies and saves some bytes in our CI/CD
pipelines.

For users that do run a local mlflow server (do we have any?), they can
just install the regular mlflow. Installing mlflow on top of
mlflow-skinny doesn't hurt (they both install the same mlflow module
under the hood).

I confirmed that both online and offline logging still work with
mlflow-skinny.


***As a contributor to the Anemoi framework, please ensure that your
changes include unit tests, updates to any affected dependencies and
documentation, and have been tested in a parallel setting (i.e., with
multiple GPUs). As a reviewer, you are also responsible for verifying
these aspects and requesting changes if they are not adequately
addressed. For guidelines about those please refer to
https://anemoi.readthedocs.io/en/latest/***

By opening this pull request, I affirm that all authors agree to the
[Contributor License
Agreement.](https://github.com/ecmwf/codex/blob/main/Legal/contributor_license_agreement.md)
anaprietonem pushed a commit that referenced this pull request Aug 4, 2025
🤖 Automated Release PR

This PR was created by `release-please` to prepare the next release.
Once merged:

1. A new version tag will be created
2. A GitHub release will be published
3. The changelog will be updated

Changes to be included in the next release:
---


<details><summary>training: 0.6.0</summary>

##
[0.6.0](training-0.5.1...training-0.6.0)
(2025-08-01)


### ⚠ BREAKING CHANGES

* for schemas of data processors
([#433](#433))
* BaseGraphModule and tasks introduced in anemoi-core
([#399](#399))

### Features

* Add metadata back to pl checkpoint.
([#303](#303))
([0193b28](0193b28))
* BaseGraphModule and tasks introduced in anemoi-core
([#399](#399))
([f8ab962](f8ab962))
* **deps:** Use mlflow-skinny instead of mlflow
([#418](#418))
([6a8beb3](6a8beb3))
* Log FTT2 loss + Fourier Correlation loss
([#148](#148))
([345b0ab](345b0ab))
* **model:** Postprocessors for leaky boundings
([#315](#315))
([b54562b](b54562b))
* **models:** Checkpointed Mapper Chunking
([#406](#406))
([8577772](8577772))
* **models:** Mapper edge sharding
([#366](#366))
([326751d](326751d))
* Variable filtering
([#208](#208))
([fba5e47](fba5e47))


### Bug Fixes

* Dropping 3.9 ([#436](#436))
([f6c0214](f6c0214))
* For schemas of data processors
([#433](#433))
([539939b](539939b))
* Mlflow hp params limit
([#424](#424))
([138bc3a](138bc3a))
* Mlflowlogger duplicated key
([#414](#414))
([cb64a1c](cb64a1c))
* **models,traininig:** Hierarchical model + integration test
([#400](#400))
([71dfd89](71dfd89))
* **models:** Add removed sharded_input_key in PR400
([#425](#425))
([089fe6f](089fe6f))
* New checkpoint
([#445](#445))
([a25df93](a25df93))
* Plotting error when precip related params are not diagnostic
([#369](#369))
([010cfa3](010cfa3))
* **training:** Address issues with
[#208](#208)
([#417](#417))
([665f462](665f462))
* **training:** Scaler memory usage
([#391](#391))
([a9d30e1](a9d30e1))
* Update import mflow utils unit tests
([#427](#427))
([70ecdd9](70ecdd9))
* Update level retrieval logic
([#405](#405))
([f393bc3](f393bc3))
* Use transforms: Variable for ExtractVariableGroupAndLevel
([#321](#321))
([7649f4f](7649f4f))
* Warm restart ([#443](#443))
([ff96236](ff96236))


### Documentation

* **graphs:** Documenting some missing features
([#423](#423))
([8addbd8](8addbd8))
</details>

<details><summary>graphs: 0.6.3</summary>

##
[0.6.3](graphs-0.6.2...graphs-0.6.3)
(2025-08-01)


### Features

* **graphs:** Add lat weighted attribute
([#223](#223))
([5dd32ca](5dd32ca))
* **graphs:** Support to export edges to npz
([#395](#395))
([e21738f](e21738f))


### Bug Fixes

* Dropping 3.9 ([#436](#436))
([f6c0214](f6c0214))
* **graphs:** Revert PR
[#379](#379)
([#409](#409))
([d51219f](d51219f))
* **graphs:** Throw error instead of raising warning when graph exists.
([#379](#379))
([6ec6c18](6ec6c18))
* **graphs:** Undo masking when torch-cluster is installed
([#375](#375))
([9f75c06](9f75c06))


### Documentation

* **graphs:** Documenting some missing features
([#423](#423))
([8addbd8](8addbd8))
</details>

<details><summary>models: 0.9.0</summary>

##
[0.9.0](models-0.8.1...models-0.9.0)
(2025-08-01)


### ⚠ BREAKING CHANGES

* for schemas of data processors
([#433](#433))

### Features

* **model:** Postprocessors for leaky boundings
([#315](#315))
([b54562b](b54562b))
* **models:** Checkpointed Mapper Chunking
([#406](#406))
([8577772](8577772))
* **models:** Mapper edge sharding
([#366](#366))
([326751d](326751d))


### Bug Fixes

* Dropping 3.9 ([#436](#436))
([f6c0214](f6c0214))
* For schemas of data processors
([#433](#433))
([539939b](539939b))
* **models,traininig:** Hierarchical model + integration test
([#400](#400))
([71dfd89](71dfd89))
* **models:** Remove repeated lines
([#377](#377))
([1f0b861](1f0b861))
* **models:** Uneven channel sharding
([#385](#385))
([dd095c4](dd095c4))
* Pydantic model validator not working in transformer schema
([#422](#422))
([42f437a](42f437a))
* Remove dead code and fix typo
([#357](#357))
([8c615ba](8c615ba))
</details>

---
> [!IMPORTANT]
> Please do not change the PR title, manifest file, or any other
automatically generated content in this PR unless you understand the
implications. Changes here can break the release process.
> 
> ⚠️ Merging this PR will:
> - Create a new release
> - Trigger deployment pipelines
> - Update package versions

 **Before merging:**
 - Ensure all tests pass
 - Review the changelog carefully
 - Get required approvals

[Release-please
documentation](https://github.com/googleapis/release-please)
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