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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Implement a framework for logging and error handling
   • Determine the logging framework for writing text messages at a certain level or priority to log files, or for sending data to monitoring applications
   • Create a custom event log for an application
   • Analyse the logs to check the state of the running application
2. Debug and trace an application
   • Apply basic debugging techniques such as breakpoints, stepping through and over code, and stack trace
   • Identify and use the tools to debug software applications
   • Write the code for debugging (print, assert and stop statements)
3. Monitor the application’s performance
   • Identify and use profiling tools to verify the parts of the system that consume the most resources, such as random access memory (RAM), central processing unit (CPU) and time
   • Analyse performance issues, and apply any changes to improve the performance of the application
4. Monitor the application’s performance
   • Identify and use profiling tools to verify the parts of the system that consume the most resources, such as random access memory (RAM), central processing unit (CPU) and time
   • Analyse performance issues, and apply any changes to improve the performance of the application

Performance Evidence

Evidence of the ability to:

use a logging framework to create an event log for an application

use tools and techniques to trace and debug an application

use profiling tools to collect data about an application's performance, identify and analyse identified issues and implement changes to improve performance.

Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.

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Knowledge Evidence

To complete the unit requirements safely and effectively, the individual must:

provide examples of common logging frameworks. logging and tracing tools, and profiling tools

explain the functions of profiling tools, and logging and tracing tools

explain the basic principles of:

computer hardware, networking and components

database-management systems

object-oriented programming

open-source development tools

describe procedures for developing small-size applications

outline the software development life cycle (SDLC).

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