It seems that there is no specific information provided about the Pull Request (PR) in question, as it is listed as “undefined.” To create a comprehensive summary for an advanced developer, I would typically need details such as the PR title, changes made, affected files, relevant discussions, the purpose of the changes, and any implications for the Thanos project.

However, here are general steps you can take to summarize a Pull Request:

  1. Title and Description: Provide the title of the PR and summarize the core objectives outlined in the description.

  2. Key Changes: List the main changes introduced by the PR, including new features, bug fixes, or refactoring. Mention any important modifications to APIs and the underlying logic.

  3. Affected Components: Identify which parts of the Thanos ecosystem are impacted by this PR, such as components like Store Gateway, Sidecar, or any integrations.

  4. Related Issues: Include links or references to any related issues or discussions in the repository that the PR is addressing.

  5. Testing: Mention any tests added or modified as part of the PR, along with how the changes were verified (unit tests, integration tests, etc.).

  6. Backward Compatibility: Highlight whether the changes introduce any breaking changes or if they maintain backward compatibility.

  7. Additional Notes: Provide any contextual information that may assist in reviewing the PR, such as potential performance implications or considerations for deployment.

If you can provide more context or details about the specific Pull Request, I would gladly help you create a tailored summary!