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Blog for 3.9.0 distributed tracing feature#432

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distributed-tracing-blog
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Blog for 3.9.0 distributed tracing feature#432
WeichenXu123 wants to merge 9 commits intomainfrom
distributed-tracing-blog

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Blog for 3.9.0 distributed tracing feature

Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
Copilot AI review requested due to automatic review settings January 23, 2026 09:18
@WeichenXu123 WeichenXu123 requested a review from B-Step62 January 23, 2026 09:19
Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
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github-actions bot commented Jan 23, 2026

🚀 Netlify Preview Deployed!

Preview URL: https://pr-432--test-mlflow-website.netlify.app

Details

PR: #432
Build Action: https://github.com/mlflow/mlflow-website/actions/runs/21475907945
Deploy Action: https://github.com/mlflow/mlflow-website/actions/runs/21475979174

This preview will be updated automatically on new commits.

Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
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Pull request overview

This PR adds a blog post announcing the distributed tracing feature introduced in MLflow 3.9.0. The blog post explains how to connect spans from multiple services into a single trace using HTTP header propagation following the W3C TraceContext specification.

Changes:

  • Added new blog post with title "Distributed tracing" announcing MLflow 3.9.0's distributed tracing feature
  • Included code examples showing client and server implementation using new MLflow tracing APIs
  • Added thumbnail and hero images for the blog post

Reviewed changes

Copilot reviewed 1 out of 3 changed files in this pull request and generated 10 comments.

File Description
website/blog/2026-01-23-distributed-tracing/index.md New blog post announcing distributed tracing support with usage examples and Databricks limitations
website/static/img/blog/distributed-tracing-thumbnail.png Thumbnail image for the blog post

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Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
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Is it possible to get an image of real distributed tracing screenshot? This is great concept image but might be a bit too abstract for thumbnail.

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@WeichenXu123 WeichenXu123 Jan 29, 2026

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I prefer to use a concept image, a specific image with real trace content might distract users from the essence, making it harder for them to quickly understand the key design of distributed tracing.
and this feature (APIs) is for developers, so a concept image can better convey how distributed tracing works.

Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
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