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This article explains the concept of locks, why they are needed in concurrent programming, and provides an in‑depth look at Go's synchronization primitives—including CAS, atomic operations, spinlocks, semaphores, and the evolution of the sync.Mutex implementation with code examples and performance considerations.
This article explains the internal representation of Go slices, how they are created and initialized, the mechanics of append and capacity growth, slicing behavior, deep‑copy using the copy function, and whether slices are passed by value or reference, all illustrated with source code and assembly excerpts.
This article demonstrates how to shrink Go application Docker images and accelerate CI builds by applying multi‑stage builds, consolidating RUN commands, cleaning up layers, and leveraging Docker's cache‑from feature to reuse previously built layers in GitLab CI pipelines.
This article explains Go's map internals, covering the hmap and bmap structures, hash table design, bucket layout, initialization, lookup, insertion, deletion, resizing mechanisms, concurrency considerations, and provides extensive code excerpts to illustrate each step.
This article explains how to use Go modules for reliable dependency management, covering historical tools, semantic versioning, vendoring, module creation, testing, upgrading and tidying dependencies, and best practices for committing go.mod and go.sum files.
This article walks through building a simple RPC framework in Go using about 300 lines of code, covering RPC fundamentals, TLV network data format, serialization, transport layer, server and client implementations, and a complete example to help readers understand RPC concepts.
This article describes how a single‑machine prototype was built in Go to simulate a WeChat red‑envelope service capable of handling up to 6 × 10⁴ QPS, supporting one million concurrent connections, and processing 10 billion shake‑red‑envelope requests through careful load‑balancing, monitoring, and performance analysis.
This article explains how the Go community drives the future "Go 2" language updates through a standardized proposal selection and evaluation workflow, shows how to locate proposals on GitHub using specific labels, and points to official releases and blog resources for early access and detailed information.
This article explains HTTP/2’s new features—HPACK header compression using static and dynamic tables with Huffman coding, and Server Push via PUSH_PROMISE frames—detailing how they reduce bandwidth, improve latency, and the underlying stream state machine, illustrated with code snippets and diagrams.
This article describes how Zhaozhuan built an automated, business‑transparent log‑collection solution for its container cloud platform by evaluating several approaches, adopting Alibaba Cloud's open‑source log‑pilot, customizing its deployment, and addressing practical issues such as time‑zone bugs, latency, and duplicate collection.