For every Salesforce developer, monitoring Apex class execution is crucial to ensure smooth performance, debug issues, and optimize code. The Developer Console in Salesforce is a powerful tool that allows you to track Apex class activity in real time without needing third-party applications.
To begin, open the Developer Console by clicking on your avatar in Salesforce and selecting Developer Console. Once inside, you can use the Logs tab to monitor activities. Whenever an Apex class is executed—whether through a trigger, Visualforce page, or Lightning component—a log file is generated. These logs contain detailed information about the execution, including method calls, SOQL queries, DML operations, and exceptions.
To track a specific Apex class, run it in your org (for example, by executing a trigger or calling the class in Anonymous Window). The log will automatically appear in the console. You can then open the log and use the Execution Overview, Execution Tree, and Source panel to analyze performance. The Execution Overview gives a high-level snapshot of governor limits, while the Execution Tree drills down into the sequence of method calls.
This feature is especially useful for debugging runtime errors, identifying inefficient queries, and ensuring your code stays within governor limits. By regularly using the Developer Console to track Apex class activity, developers can maintain cleaner, faster, and more reliable Salesforce applications.
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