I guess the main reasons for having logs on Cache API are: - Making us profile the issue quickly. - Letting users provide more information by asking them running the log. Given that I reckon we could have two types of information on our log system: Info and Debug. The information in the logs should have: - Parent process or child process - Thread ID - Manager ID - Cache ID - State - IsShuttingDown flag However, I'm not sure where should I add logs. I guess that could be figured out by solving Cache issues. For instance, if I find getting a log in a certain place would be useful in an issue, then I could provide a patch for adding a log in that issue. Maybe I should work on this issue each time when I investigate an issue on Cache API?