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Senior Brother's Insights

A public account focused on workplace, career growth, team management, and self-improvement. The author is the writer of books including 'SpringBoot Technology Insider' and 'Drools 8 Rule Engine: Core Technology and Practice'.

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Latest from Senior Brother's Insights

100 recent articles max

Senior Brother's Insights

Jul 15, 2023 · Backend Development

What Real Golang Interview Questions Reveal About Candidate Skills

The article recounts a recent Golang interview, highlighting the candidate’s background, the specific technical questions asked—such as payment channel encryption, image‑search implementation, HTTP vs gRPC, pointer versus value passing, and slice behavior—and provides the interviewer’s feedback and advice for improving interview performance.

BackendInterview Tipstechnical interview

0 likes · 9 min read

What Real Golang Interview Questions Reveal About Candidate Skills

Senior Brother's Insights

Mar 28, 2023 · Backend Development

Mastering Java Rate Limiting: Algorithms, Tools, and Real‑World Implementation

This article explains Java rate‑limiting fundamentals, covering time‑window and resource dimensions, common algorithms such as token bucket, leaky bucket and sliding window, and practical solutions using Guava, Nginx, Redis, Sentinel, and Tomcat for both single‑node and distributed environments.

JavaRate LimitingRedis

0 likes · 17 min read

Mastering Java Rate Limiting: Algorithms, Tools, and Real‑World Implementation

Senior Brother's Insights

Feb 8, 2023 · Backend Development

How to Safely Stop a Java Thread: Methods, Pitfalls, and Best Practices

This article explains the three ways to terminate a Java thread, demonstrates how interrupt flags and isInterrupted() differ, shows how to stop threads using exceptions, sleep interruption, and the deprecated stop() method, and warns about lock‑release issues caused by forceful termination.

ExceptionJavaStop

0 likes · 12 min read

How to Safely Stop a Java Thread: Methods, Pitfalls, and Best Practices

Senior Brother's Insights

Jan 16, 2023 · Cloud Computing

Configure Typora Image Upload with PicGo and Alibaba Cloud OSS – A Step‑by‑Step Guide

This tutorial explains how to set up a reliable image‑hosting solution for Typora by installing PicGo, configuring it to use Alibaba Cloud OSS, and walking through each command‑line step, including bucket creation, AccessKey setup, and uploader selection.

Alibaba Cloud OSSImage HostingMarkdown

0 likes · 8 min read

Configure Typora Image Upload with PicGo and Alibaba Cloud OSS – A Step‑by‑Step Guide

Senior Brother's Insights

Jan 15, 2023 · Databases

When Does SELECT FOR UPDATE Use Row Locks vs Table Locks? 20 MySQL Scenarios Tested

This article experimentally verifies how SELECT FOR UPDATE behaves under different MySQL versions, isolation levels, and index conditions, revealing when it acquires row‑level, gap, or table‑level locks across 20 distinct scenarios.

Gap LockInnoDBMySQL

0 likes · 22 min read

When Does SELECT FOR UPDATE Use Row Locks vs Table Locks? 20 MySQL Scenarios Tested

Senior Brother's Insights

Dec 25, 2022 · Fundamentals

Mastering Proxy Pattern in Java: From Nacos Static Proxy to JDK & Cglib Dynamic Proxies

This article explains the Proxy design pattern, covering its definition, use cases, static proxy implementation in Nacos, step‑by‑step guides for JDK dynamic proxies and Cglib dynamic proxies, and how Spring AOP leverages both approaches for method interception.

Design PatternsDynamic proxyJDK

0 likes · 22 min read

Mastering Proxy Pattern in Java: From Nacos Static Proxy to JDK & Cglib Dynamic Proxies

Senior Brother's Insights

Nov 17, 2022 · Cloud Native

Why Docker Creates Root‑Owned Files and How to Fix Permission Errors

This article explains why Docker‑run creates directories owned by root, how missing user specifications cause permission denied errors for other applications, and provides step‑by‑step commands to identify the UID/GID and run containers with the correct non‑root user.

LinuxUIDfile-permissions

0 likes · 6 min read

Why Docker Creates Root‑Owned Files and How to Fix Permission Errors

Senior Brother's Insights

Nov 1, 2022 · Fundamentals

How to Manage Multiple JDK Versions on macOS with Aliases and JEnv

This guide shows how to install several JDK versions on macOS, configure environment variables and aliases for manual switching, and use the jenv tool for precise, per‑directory Java version management, including installation, configuration, and common troubleshooting steps.

DevelopmentEnvironmentJDK

0 likes · 10 min read

How to Manage Multiple JDK Versions on macOS with Aliases and JEnv

Senior Brother's Insights

Sep 14, 2022 · Backend Development

From Single Server to Cloud‑Native: 14 Stages of Scaling a Large‑Scale Website

This article walks through the evolution of a high‑traffic e‑commerce site—from a single‑machine setup to cloud‑native microservices—detailing each architectural milestone, the problems it solves, key technologies involved, and design principles for building scalable, highly available systems.

CachingCloud NativeHigh Availability

0 likes · 22 min read

From Single Server to Cloud‑Native: 14 Stages of Scaling a Large‑Scale Website

Senior Brother's Insights

Sep 13, 2022 · Backend Development

8 Essential Backend Architecture Patterns Every Engineer Should Master

This article introduces eight common backend architecture patterns—single‑database single‑application, content distribution, query separation, microservices, multi‑level caching, sharding, elastic scaling, and multi‑data‑center—explaining their designs, typical use cases, step‑by‑step workflows, and the key advantages and drawbacks of each.

Microservices

0 likes · 23 min read

8 Essential Backend Architecture Patterns Every Engineer Should Master