Alex Xu (@alexxubyte)
Explaining 9 types of API testing. The method to download the high-resolution PDF is available at the end. 🔹 Smoke Testing This is done after API development is complete. Simply validate if the APIs are working and nothing breaks. 🔹 Functional Testing This creates a test plan based on the function...
Top 5 Kafka use cases Kafka was originally built for massive log processing. It retains messages until expiration and lets consumers pull messages at their own pace. Let’s review the popular Kafka use cases. - Log processing and analysis - Data streaming in recommendations - System monitoring and...
Top 4 Kubernetes Service Types in one diagram. The diagram below shows 4 ways to expose a Service. In Kubernetes, a Service is a method for exposing a network application in the cluster. We use a Service to make that set of Pods available on the network so that users can interact with it. There a...
How is data sent over the internet? What does that have to do with the OSI model? How does TCP/IP fit into this? 7 Layers in the OSI model are: 1. Physical Layer 2. Data Link Layer 3. Network Layer 4. Transport Layer 5. Session Layer 6. Presentation Layer 7. Application Layer -- Subscribe to our ...
IBM MQ -> RabbitMQ -> Kafka ->Pulsar, How do message queue architectures evolve? 🔹 IBM MQ IBM MQ was launched in 1993. It was originally called MQSeries and was renamed WebSphere MQ in 2002. It was renamed to IBM MQ in 2014. IBM MQ is a very successful product widely used in the financial sector. I...
Top 5 common ways to improve API performance. Result Pagination: This method is used to optimize large result sets by streaming them back to the client, enhancing service responsiveness and user experience. Asynchronous Logging: This approach involves sending logs to a lock-free buffer and retur...
CI/CD Simplified Visual Guide Whether you're a developer, a DevOps specialist, a tester, or involved in any modern IT role, CI/CD pipelines have become an integral part of the software development process. Continuous Integration (CI) is a practice where code changes are frequently combined into a ...
How does Redis persist data? Redis is an in-memory database. If the server goes down, the data will be lost. The diagram below shows two ways to persist Redis data on disk: 1. AOF (Append-Only File) 2. RDB (Redis Database) Note that data persistence is not performed on the critical path and does...
Authentication in REST APIs acts as the crucial gateway, ensuring that solely authorized users or applications gain access to the API's resources. Some popular authentication methods for REST APIs include: 1. Basic Authentication: Involves sending a username and password with each request, but ca...