It seems there is no specific content or details provided in your request regarding the Pull Request (PR) for the project thanos-io/thanos.

To create a meaningful summary, please provide key details of the PR, such as:

  1. The purpose of the PR (what issue it addresses or what feature it implements).
  2. The specific changes made (files modified, new features added, etc.).
  3. Any relevant context or background information about the changes.
  4. Any testing that was done, or if there are any concerns or areas that need review.

Once I have those details, I can help you draft a precise summary suitable for an advanced developer.