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Enterprise-level professional community for Database, BigData, and AIOps. Daily original articles, weekly online tech talks, monthly offline salons, and quarterly XCOPS&DAMS conferences—delivered by industry experts.

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Recent Articles

Latest from dbaplus Community

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dbaplus Community
dbaplus Community
Feb 8, 2026 · Databases

Why Oracle AWR Is the Gold Standard for DB Performance and How Domestic Databases Compare

The article explains Oracle's Automatic Workload Repository (AWR) as a comprehensive performance‑diagnostic tool, breaks down its core functions, and then evaluates how several domestic databases such as Kingbase measure up in terms of report completeness, metric richness, SQL analysis, wait‑event handling, OS integration, and usability.

AWRDomestic DatabasesMetrics
0 likes · 21 min read
Why Oracle AWR Is the Gold Standard for DB Performance and How Domestic Databases Compare
dbaplus Community
dbaplus Community
Feb 3, 2026 · Backend Development

When Microservices Become a Trap: Risks, Costs, and When They Really Pay Off

This article explains why microservices, while attractive for large systems, introduce hidden costs, operational complexity, network latency, data management challenges, and testing difficulties, and provides a decision framework to determine when a monolith‑first approach is more appropriate.

Microservicesbackend architecturemonolith
0 likes · 15 min read
When Microservices Become a Trap: Risks, Costs, and When They Really Pay Off
dbaplus Community
dbaplus Community
Feb 2, 2026 · Operations

Why 1265% CPU in top Isn’t a Crash: Decoding Linux Metrics Correctly

Although a top screenshot may show MySQL using 1265% CPU and a load average above 10, this article explains why those numbers are not necessarily alarming, clarifies common misconceptions about %CPU, load, VIRT, free memory, and provides practical steps to interpret top correctly on multi‑core Linux servers.

CPULinuxMemory
0 likes · 5 min read
Why 1265% CPU in top Isn’t a Crash: Decoding Linux Metrics Correctly
dbaplus Community
dbaplus Community
Jan 28, 2026 · Cloud Computing

15 Common Cloud Pitfalls That Can Cripple Your System – How to Detect and Prevent Them

This article outlines fifteen frequent cloud‑architecture mistakes—such as orphaned resources, misconfigurations, poor team communication, over‑reliance on single tools, and lack of governance—explaining why they happen, their architectural impact, and practical steps to avoid costly outages and inefficiencies.

Governancecloud computingoperations
0 likes · 25 min read
15 Common Cloud Pitfalls That Can Cripple Your System – How to Detect and Prevent Them
dbaplus Community
dbaplus Community
Jan 27, 2026 · Backend Development

Master Java Logging: From Basics to Advanced Practices

This guide walks a junior developer through why logging is essential, how to configure Logback in Spring Boot, use Lombok @Slf4j, choose appropriate log levels, apply parameterized messages, control output volume, enable asynchronous logging, manage log files with rolling policies, and integrate a centralized ELK stack for distributed systems.

ELKJavaSpring Boot
0 likes · 17 min read
Master Java Logging: From Basics to Advanced Practices
dbaplus Community
dbaplus Community
Jan 26, 2026 · Cloud Native

How Starbucks China Revamped Its Log Platform: From VMs to Cloud‑Native Kubernetes with 80% Faster Queries

Starbucks China’s logging team migrated several petabytes of logs from legacy VM‑based Elasticsearch clusters to a cloud‑native bare‑metal Kubernetes platform, upgrading ES from 7.x to 8.x, containerizing components, optimizing storage and Kafka, and achieving up to 80% query speed gains, 30% CPU reduction, and 200% write‑throughput improvement.

Performance optimizationdata pipelinelog platform
0 likes · 25 min read
How Starbucks China Revamped Its Log Platform: From VMs to Cloud‑Native Kubernetes with 80% Faster Queries
dbaplus Community
dbaplus Community
Jan 25, 2026 · Databases

How MySQL’s Merged Flash‑Sale Engine Boosts Write Throughput 5×

The article explains how XiaoHongShu’s database team redesigned MySQL’s flash‑sale (秒杀) mechanism with a merged‑seckill kernel, achieving up to five‑fold write‑throughput improvements and handling over 15 k orders per second, while remaining transparent to existing SQL and compatible with existing tools.

Flash Saledatabase optimizationtransaction
0 likes · 11 min read
How MySQL’s Merged Flash‑Sale Engine Boosts Write Throughput 5×
dbaplus Community
dbaplus Community
Jan 25, 2026 · Fundamentals

What Linus Torvalds Really Thinks About AI, Rust, and the Future of Linux Kernel Development

In a candid interview at the Linux Foundation summit, Linus Torvalds and Verizon open‑source lead Dirk Hohndel discuss Linus's shift from programmer to maintainer, the role of AI as a productivity tool, Rust's integration into the kernel, hardware trends, his hobby of building guitar pedals, and his habit of rarely replying to email.

AIKernelLinux
0 likes · 18 min read
What Linus Torvalds Really Thinks About AI, Rust, and the Future of Linux Kernel Development