Author

Code Ape Tech Column

Former Ant Group P8 engineer, pure technologist, sharing full‑stack Java, job interview and career advice through a column. Site: java-family.cn

1.1k

Articles

Likes

2.5k

Views

Comments

Latest from Code Ape Tech Column

100 recent articles max

Code Ape Tech Column

Jan 13, 2026 · Operations

Boost SpringBoot Production Management with a Visual Service Script

This article introduces a powerful visual service‑management script for SpringBoot applications that replaces manual start‑stop commands with an interactive, color‑coded console, offering configuration‑driven control, intelligent start/stop flows, real‑time monitoring, log handling, batch operations, automated deployment and safe rollback to dramatically improve operational efficiency and reliability.

MonitoringService Managementbash

0 likes · 22 min read

Boost SpringBoot Production Management with a Visual Service Script

Code Ape Tech Column

Jan 7, 2026 · Operations

Is Syslog Still the Best Choice for Simple, Low‑Cost Log Collection?

This article explains why the decades‑old Syslog protocol remains relevant in modern microservice and cloud‑native environments, detailing its structure, advantages, typical use cases, step‑by‑step server setup with rsyslog, command‑line analysis techniques, integration with Java applications, and a comparison with ELK/Loki solutions.

log analysislog collectionrsyslog

0 likes · 20 min read

Is Syslog Still the Best Choice for Simple, Low‑Cost Log Collection?

Code Ape Tech Column

Jan 4, 2026 · Backend Development

Migrating SpringBoot MyBatisPlus from MySQL to PostgreSQL: Common Pitfalls & Fixes

This guide walks through switching a SpringBoot + MyBatisPlus project from MySQL to PostgreSQL, covering driver setup, JDBC changes, numerous SQL syntax differences, type conversion issues, transaction handling, and provides helper scripts for bulk schema adjustments.

Backend DevelopmentDatabase MigrationMySQL

0 likes · 12 min read

Migrating SpringBoot MyBatisPlus from MySQL to PostgreSQL: Common Pitfalls & Fixes

Code Ape Tech Column

Dec 24, 2025 · Backend Development

Master Multi-Method Login in Spring Boot with Strategy & Factory Patterns

This guide walks you through designing a scalable login module that supports dozens of authentication methods by combining the Strategy and Factory patterns with Spring Boot, providing clean code, easy extensibility, and robust testing without the tangled if‑else spaghetti.

Design PatternsFactory PatternJava

0 likes · 12 min read

Master Multi-Method Login in Spring Boot with Strategy & Factory Patterns

Code Ape Tech Column

Dec 22, 2025 · Databases

How to Diagnose and Fix 900% CPU Spikes in MySQL and Java Processes

This guide explains why MySQL or Java services can suddenly consume 900% CPU, outlines step‑by‑step diagnostics using Linux tools, and provides concrete optimization actions such as killing offending queries, adding indexes, tuning caches, and fixing Java thread loops.

CPUJavaLinux

0 likes · 12 min read

How to Diagnose and Fix 900% CPU Spikes in MySQL and Java Processes

Code Ape Tech Column

Dec 19, 2025 · Backend Development

Boost SpringBoot Log Management: Step‑by‑Step Integration with Hera

This article explains why traditional SpringBoot logging falls short, introduces the Hera log platform’s three core benefits, outlines a layered integration architecture, and provides a detailed five‑step guide—including Maven dependencies, YAML configuration, custom field providers, log output, traceability, and console usage—plus performance, high‑availability, security tips and common pitfalls.

HeraLog ManagementPerformance Optimization

0 likes · 14 min read

Boost SpringBoot Log Management: Step‑by‑Step Integration with Hera

Code Ape Tech Column

Dec 18, 2025 · Backend Development

How to Co‑exist Multiple DataSources in Spring Without Switching?

This guide explains the concept of multi‑DataSource coexistence, when it is appropriate, step‑by‑step configuration for MySQL and TDengine, transaction manager handling, custom annotations, mapper scanning, differences from dynamic routing, common pitfalls, and best‑practice usage in a Spring‑MyBatis backend.

JavaMulti-DataSourceMyBatis

0 likes · 13 min read

How to Co‑exist Multiple DataSources in Spring Without Switching?

Code Ape Tech Column

Dec 8, 2025 · Operations

Master Log Searching with grep, tail, and less: Real‑World Tips for Developers

This guide walks you through practical command‑line techniques—using grep, tail, less, and related options—to efficiently locate Java exceptions in log files, view surrounding context, monitor live logs, search compressed archives, and quickly count occurrences, all without opening files manually.

Command LineDebugginggrep

0 likes · 6 min read

Master Log Searching with grep, tail, and less: Real‑World Tips for Developers

Code Ape Tech Column

Dec 5, 2025 · Big Data

Optimizing 100K Record Retrieval from 10M‑Row Pools: ClickHouse, ES Scroll, ES+HBase, RediSearch

This article examines several engineering solutions for extracting up to 100,000 records from a ten‑million‑row pool, comparing multi‑threaded ClickHouse pagination, Elasticsearch scroll‑scan, an ES‑plus‑HBase hybrid, and RediSearch + RedisJSON, and presents performance measurements and practical trade‑offs.

Big DataClickHouseElasticsearch

0 likes · 12 min read

Optimizing 100K Record Retrieval from 10M‑Row Pools: ClickHouse, ES Scroll, ES+HBase, RediSearch

Code Ape Tech Column

Dec 4, 2025 · Backend Development

How JSON Schema Eliminates Duplicate Form Validation in SpringBoot

This article explains how using JSON Schema as a single source of truth can drive both front‑end rendering and back‑end validation in Java SpringBoot applications, eliminating duplicated validation logic, reducing maintenance costs, and enabling dynamic, versioned forms with real‑time user feedback.

Backend DevelopmentDynamic FormsJSON Schema

0 likes · 12 min read

How JSON Schema Eliminates Duplicate Form Validation in SpringBoot