Spring Cloud Sleuth is a rather small, simple project, which nevertheless provides some useful features for logging and tracing. If you refer to the example discussed in the Using LogstashTCPAppender section, you can easily see that there is no possibility to filter all the logs related to single request. In a microservices-based environment, it is also very important to correlate messages exchanged by the applications when handling requests that are coming into the system. This is the main motivation in creating the Spring Cloud Sleuth project.
If Spring Cloud Sleuth is enabled for the application, it adds some HTTP headers to the requests, which allows you to link requests with the responses and the messages exchanged ...
