It seems that the details of the Pull Request are not provided. To create a summary for an undefined Pull Request for the Thanos project, you would typically want to include the following elements:

  1. Title of the PR: A brief and descriptive name.
  2. Description: An overview of what the Pull Request addresses, such as bug fixes, new features, performance improvements, or documentation updates.
  3. Changes Made: A summary of the code changes, including which files were modified and any new files added.
  4. Motivation: The reason behind the changes, often linked to an issue or user requirement.
  5. Impact: Any implications for the existing codebase, including backward compatibility or required migration.
  6. Testing: Information on how the changes were tested and whether new tests were added or existing tests were updated.
  7. Related Issues: Links or references to any issues that this PR addresses, for context.

If you provide specific details about the Pull Request, I can help draft a more precise summary.