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Latest from SQB Blog

31 recent articles

SQB Blog

Jul 20, 2023 · Artificial Intelligence

How We Built and Optimized a Multi‑Pool Recommendation System for Boss Circle

This article explains the design, implementation, and iterative optimization of Boss Circle's recommendation engine, covering the initial simple ranking, the introduction of Elasticsearch‑based scoring, multi‑pool data sources, machine‑learning experiments, real‑time feature handling, and future personalization challenges.

Data PipelinesElasticsearchpersonalization

0 likes · 17 min read

How We Built and Optimized a Multi‑Pool Recommendation System for Boss Circle

SQB Blog

Jun 16, 2023 · Operations

Boost Java Performance: Optimize JFR Analysis with Flame Graphs and Async‑Profiler

This article explores the evolution of continuous performance profiling, explains why traditional tracing falls short, and details a series of optimizations—including batch processing, object‑reference serialization, aggregation insertion, and multi‑chunk handling—to dramatically reduce memory usage and speed up Java Flight Recorder analysis using async‑profiler and flame graphs.

Flame GraphJFRJava

0 likes · 13 min read

Boost Java Performance: Optimize JFR Analysis with Flame Graphs and Async‑Profiler

SQB Blog

Mar 27, 2023 · Frontend Development

How to Build a Full‑Featured Front‑End Monitoring System

This article explains how to design and implement a comprehensive front‑end monitoring solution that captures errors, performance metrics, and client data, covering data collection, tracing, transmission, storage, and analysis to help developers quickly locate and resolve issues.

MetricsTracingclient data

0 likes · 11 min read

How to Build a Full‑Featured Front‑End Monitoring System

SQB Blog

Mar 10, 2023 · Frontend Development

Why MonoRepo with pnpm Boosts Frontend Efficiency and Simplifies Dependency Management

This article explains how adopting a MonoRepo strategy combined with pnpm's workspace feature can streamline front‑end project structures, reduce duplicate dependencies, improve version control, and eliminate ghost dependencies, ultimately speeding up development and release processes.

MonorepoPackage Managerdependency management

0 likes · 13 min read

Why MonoRepo with pnpm Boosts Frontend Efficiency and Simplifies Dependency Management

SQB Blog

Nov 18, 2022 · Artificial Intelligence

Boosting AI Model Development with Alibaba's EasyModeling Framework

This article introduces the EasyModeling framework built on Alibaba Cloud's PAI platform, detailing its modular design, high reusability, integration with deep‑learning libraries, automated hyper‑parameter tuning, deployment scenarios, and a real‑world case study using RoBERTa for dish‑name standardization, demonstrating significant performance gains.

AI modelingAlibaba CloudAutoML

0 likes · 13 min read

Boosting AI Model Development with Alibaba's EasyModeling Framework

SQB Blog

Oct 9, 2022 · Fundamentals

Best Wi‑Fi Provisioning Method? AirKiss, SmartConfig, Hotspot, Bluetooth & QR‑Code

This article examines five Wi‑Fi provisioning techniques—AirKiss, SmartConfig, hotspot, Bluetooth, and QR‑code scanning—detailing their processes, technical principles, advantages, and drawbacks, and proposes an enhanced hotspot solution to improve success rates and simplify setup for IoT devices lacking screens or cameras.

BluetoothHotSpotIoT

0 likes · 14 min read

Best Wi‑Fi Provisioning Method? AirKiss, SmartConfig, Hotspot, Bluetooth & QR‑Code

SQB Blog

Sep 22, 2022 · Big Data

How We Built a Low‑Latency Advertising Billing System with Kafka Streams

This article describes the design, implementation, and performance of ShouQianBa's advertising billing system, detailing the migration from Apache Druid to Kafka Streams, the architecture for real‑time event processing, data aggregation, persistence, fault tolerance, and the achieved low‑latency, high‑throughput metrics.

Data StreamingReal-time Billingadvertising

0 likes · 15 min read

How We Built a Low‑Latency Advertising Billing System with Kafka Streams

SQB Blog

Sep 15, 2022 · Frontend Development

Mastering Front-End Performance: How to Use PerformanceObserver & Metrics

This article explains how to monitor and analyze front‑end performance using the deprecated performance.timing API and the modern PerformanceObserver, detailing key web‑vital metrics such as TTFB, FCP, LCP, FID, and CLS, with code examples and practical interpretation guidelines.

Metricsfrontendperformanceobserver

0 likes · 13 min read

Mastering Front-End Performance: How to Use PerformanceObserver & Metrics

SQB Blog

Aug 24, 2022 · Operations

Accelerating Delivery: Our CI/CD, Branch Automation & Artifact Management Revamp

This article outlines how our team overhauled the CI/CD pipeline, migrated from Jenkins to GitLab CI, introduced Kubernetes‑based execution, automated branch management via Jira integration, restructured artifact storage with JFrog, and built an in‑house SCA solution, all to boost development efficiency, reduce manual errors, and secure software delivery.

Artifact ManagementAutomationCI/CD

0 likes · 17 min read

Accelerating Delivery: Our CI/CD, Branch Automation & Artifact Management Revamp

SQB Blog

Aug 19, 2022 · Backend Development

How to Build a Zero‑Code, Scalable Enterprise Approval Center

This article outlines the design and implementation of a zero‑code, visual approval system that integrates with internal business services, detailing its architecture, core modules, rule engine, multi‑platform support, search capabilities, and security considerations for large‑scale enterprise use.

BPMElasticsearchapproval workflow

0 likes · 15 min read

How to Build a Zero‑Code, Scalable Enterprise Approval Center