It appears that there is no specific information provided regarding the undefined issue in the project “thanos-io/thanos.” Without details on the nature of the issue, such as error messages, feature requests, or code snippets, it is challenging to create a comprehensive summary.

To create a summary, please provide additional information about the issue, including:

  1. Issue Title: What is the title or main topic of the issue?
  2. Description: What problem is being reported, or what feature is being requested?
  3. Reproduction Steps: How can the issue be replicated (if applicable)?
  4. Expected Behavior: What is the expected outcome?
  5. Actual Behavior: What is currently happening?
  6. Environment: Any specifics about the environment in which the issue occurs (e.g., Thanos version, OS, etc.)?

Once I have more details about the undefined issue, I can help create a summary suitable for advanced developers.