Artifact files are not removed from tmp/ folder about mlflow HOT 3 OPEN

Thanks for the report, and the issue make sense! Could you provide a little more information—for example, what seems to be taking up the most space? This will help us prioritize what to fix first.

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I looked into the issue a bit more myself and learned that is does not have to do with the logging of artifacts to Azure. It happens when using the MLFlow webapp to look at the graphs.

When artifacts are loaded, the MLFlow server will download the required artifact from the Azure blob backend. It stores them in /tmp, each artifact in a separate folder. My colleagues are logging Plotly graphs (and checking them out in the UI), which are .html files of 4MB each. This piled up pretty quickly.

I guess that the server should be cleaning its /tmp directory when the user stops looking at the graph. This however doesn't seem to be happening.

Let me know if you need more info!

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@mlflow/mlflow-team Please assign a maintainer and start triaging this issue.

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