As modern software systems become increasingly distributed, interconnected, and complex, ensuring production reliability and performance is becoming harder and more stressful. Seemingly nondescript changes to our infrastructure or application can have massive impacts on system uptime, health, and performance, all while the cost of production incidents continues to grow.
ING Group is a Dutch-based multinational banking and financial services corporation serving more than 38 million customers globally. It’s one of the biggest banks in the world, consistently ranking among the top 30 largest banks globally. At ING, our 20-year-old COBOL-based financial messaging system — which provides electronic instructions to enable financial transactions between banks and customers — is slowly becoming obsolete and difficult to integrate.
Throughout the software development process, engineers can use a number of methods and tools to ensure their code is efficient. When using Go, for example, there are built-in tools, including those for benchmarking and CPU/memory profiling, to check how efficiently code will run. Engineers can also run unit tests to validate code quality.