It seems that the pull request you are referring to is not defined or provided. To create a summary for a Pull Request (PR) in the Thanos project, I would typically need details such as the title, description, changes made, motivation behind the submission, affected files, and any relevant discussions or comments.

If you can provide any of that information, I can help you create a comprehensive summary. Alternatively, if you would like a generic template for summarizing a PR, here it is:

Pull Request Summary for Thanos Project

Title: [PR Title Here]

Author: [Author Name]

Date: [Date]

Description: This pull request introduces [brief overview of the changes made, e.g., a new feature, a bug fix, or any improvements]. The main goal is to [describe the objective or problem this PR aims to address].

Changes Made:

• Added/modified [describe specific components, files, or modules affected by the changes].
• Implemented [specific features or functionalities].
• Updated [documentation/tests/etc. if applicable].

Motivation: The motivation behind this submission is to [explain why these changes are necessary or beneficial for the Thanos project].

Impact: These changes will [summarize the impact of the changes on the project, including any potential performance improvements, user experience enhancements, or fixes].

Testing:

• [Outline any testing that was conducted, e.g., unit tests, integration tests, and how they were validated].
• [Indicate if there are any new test cases added or existing ones modified].

Discussion:

• [Link to any discussions or reviews related to the PR].
• [Mention any feedback received and how it was addressed, if applicable].

Feel free to modify the placeholder sections with the actual details of the Pull Request once available.