Each instance of any microservice writes information about what it is doing to a log file in a standardized format. The log file typically contains errors, warnings, information, and debug messages. The challenge is to understand the application behavior and to troubleshoot the application using the individual logs. The way forward is to use a centralized logging service that innately aggregates all the logs being produced by each service instance. There are automated tools for log analytics. In general, log analytics prewarn if there is any substantial deviation in the functioning of both software and hardware components. Administrators and users separately visit the log store and search for any useful information out of the logs to ponder about the next course of action.