At a basic level, most bugs can be caught by attaching a debugger to the program and enlisting fundamental debugging methods like breakpoints and stepping through code, print statements and inspecting the variables during program execution, and examining the call stack and. At a basic level, most bugs can be caught by attaching a debugger to the program and enlisting fundamental debugging methods like breakpoints and stepping through code, print statements and inspecting the variables during program execution, and examining the call stack and. The Debugging Techniques in Distributed Systems explore various methods to identify and fix errors in such environments. It covers techniques like logging, tracing, and monitoring, which help track system behavior and locate issues. Reasoning about concurrent activities of system nodes and even understanding the system's communication topology can be difficult. A standard approach to gaining. Our goal is to design tools that enable modestly-skilled programmers (and ex-perts, too) to isolate performance bottlenecks in distributed systems composed of black-box nodes. We approach this problem by obtaining message-level traces of system activity, as passively as possible and without any. To successfully debug, we need to satisfy three prerequisites: Know the desired behavior. 13 Testing is an effective way to detect errors. Symbolic model checking represents and explores possible executions mathematically; explicit-state model checking is more practical.