It seems that the Pull Request you mentioned is undefined or not available for me to access. However, I can guide you on how to summarize a Pull Request (PR) for the Thanos project.

When summarizing a PR, consider including the following points:

  1. Title of the PR: Include the title to provide context.

  2. Description: Briefly describe what the PR is addressing. This could include bug fixes, features, performance improvements, etc.

  3. Key Changes: Highlight the major changes made in the codebase, such as new files, modified functions, or deletions.

  4. Related Issues: Reference any issues this PR addresses, using issue numbers or links.

  5. Testing: Mention any tests that were added or changes to existing tests, including how the functionality was verified.

  6. Impact: Discuss any potential impact on performance, scalability, or backward compatibility.

  7. Reviewers’ Notes: If there are specific areas where feedback is particularly welcome or where challenges were faced, note them.

  8. Next Steps: If appropriate, mention what is expected to happen after the PR is merged.

If you can provide any specific details or aspects of the PR, I can help draft a more tailored summary.