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While we recently added a Java agent to profile a GraphQL Java application the following things became clear:
Together this means Java agents are not really future proof + they are not needed anymore, as we have all the abilities now inside GraphQL Java directly itself.
The goal is to remove the Java agent eventually and offer a better alternative in form of this PRs: a built-in Profiler in GraphQL Java.
A Profiler is enabled per execution (request) and will collect with very minimal overhead all relevant informations to understand the performance and execution. The result will be made available via GraphQLContext.
This PR is just a draft at the moment. Once #3872 it can be fully developed.