Đức Nguyễn is a Golang developer with over 2 years of experience building backend systems and microservices. His writings focus on Go performance testing, Kafka producers/consumers, Redis-based rate limiting, AWS CloudWatch Insights, and cloud-native infrastructure using Kubernetes and CI/CD pipelines.
12 articles from this blog
A tutorial on basic CloudWatch Insights queries for monitoring AWS API Gateway and Lambda metrics.
A tutorial on building a Golang producer and consumer with Kafka using the segmentio/kafka-go library.
![[Golang] Test Performance - 2](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-381e4390396b-full-b6aef7bb.webp)
Benchmarking Go string comparison methods: empty check vs strings.EqualFold vs length check.
![[Golang] Test Performance Function Standard - 1](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-daa3b421e266-full-adf9f465.webp)
Benchmarking performance of error creation and integer conversion functions in Go.
![[Golang] Use Redis implement attempt access in period](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-f332b7567287-full-6bc64a93.webp)
A tutorial on using Redis with Golang to implement attempt access control within a time period.
![[Golang] Multiple Type In Struct](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-6f6789b4f260-full-7dac1f5e.webp)
Golang tutorial on using json.Number to handle multiple types (string and number) in a struct field.
![[Golang] Resize Image](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-a524b23994b4-full-877f7f3e.webp)
A Golang tutorial demonstrating how to resize images encoded in base64 using the imaging library.
Guide to selecting hardware for Kafka brokers, covering disk throughput, capacity, memory, networking, and CPU optimization.
![[KAFKA] Consumers and Consumer Groups](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-4eaa9118d2f6-full-02c96341.webp)
Explains Kafka consumers and consumer groups, scaling consumption by adding consumers to handle high message loads.
Guide to constructing a Kafka producer with mandatory properties and message sending methods.
Overview of Kafka producer API, covering use cases, configuration, and message sending process.
![[KAFKA] How to chose the number of partitions?](https://crawljobs-blogs-media.s3.us-east-1.amazonaws.com/alldevblogs/thumbs/article-86505126ff65-full-f0f2e0ea.webp)
A guide on choosing the optimal number of Kafka partitions based on throughput, consumer speed, and future scaling.
