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Ctrip Technology
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Ctrip Technology

Official Ctrip Technology account, sharing and discussing growth.

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Recent Articles

Latest from Ctrip Technology

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Ctrip Technology
Ctrip Technology
Jul 10, 2026 · Cloud Native

How Ctrip Scaled Karmada to Handle 200 GB Memory Peaks and Hundreds of Thousands of Pods

This article details Ctrip's migration from Kubefed to Karmada for multi‑cluster governance, describing the architectural evolution, production deployment for high‑availability and smooth cross‑cluster pod migration, and the performance and memory optimizations required to support over 200 GB of control‑plane memory usage and tens of thousands of Pods.

Control Plane OptimizationFederationKarmada
0 likes · 18 min read
How Ctrip Scaled Karmada to Handle 200 GB Memory Peaks and Hundreds of Thousands of Pods
Ctrip Technology
Ctrip Technology
Jun 25, 2026 · Artificial Intelligence

When More Context Makes Agents Dumber, How Flow2Spec Offers a Better Solution

The article analyzes why simply feeding agents with more project context leads to overload and errors, and introduces Flow2Spec—a framework that incrementally builds a routable knowledge graph during development, enabling agents to retrieve, verify, and update knowledge reliably through structured commands and multi‑layer validation.

AI agentsKnowledge GraphLLM
0 likes · 17 min read
When More Context Makes Agents Dumber, How Flow2Spec Offers a Better Solution
Ctrip Technology
Ctrip Technology
Jun 18, 2026 · Artificial Intelligence

How Trip.com Cut Multilingual UI QA Costs by 90% with GUI Agent and Multi‑Agent AI

Trip.com built the "慧鉴天工" system that combines a GUI Agent, multi‑agent LQA algorithms, OODA‑loop architecture, and a knowledge‑graph‑enhanced pipeline to automate page collection, multilingual text extraction, and quality inspection across 31 languages, achieving over 90% cost reduction and 70%+ detection accuracy.

GUI AgentKnowledge GraphLarge Language Model
0 likes · 21 min read
How Trip.com Cut Multilingual UI QA Costs by 90% with GUI Agent and Multi‑Agent AI
Ctrip Technology
Ctrip Technology
May 13, 2026 · Backend Development

Integrating and Using the Ctrip WenDao (WorkBuddy) Skill: A Complete Guide

This guide details the end‑to‑end process for developers to integrate the Ctrip WenDao (WorkBuddy) skill, covering environment prerequisites, API token acquisition, configuration methods, command‑line usage, response parsing, common scenarios, security considerations, and troubleshooting steps.

CtripNode.jsTravel
0 likes · 10 min read
Integrating and Using the Ctrip WenDao (WorkBuddy) Skill: A Complete Guide
Ctrip Technology
Ctrip Technology
Apr 16, 2026 · Big Data

How Ray + DuckDB Cut 9B-Row Attribution Queries from 40s to 15s

When attribution analysis on over 900 million rows slowed to more than 40 seconds and threatened cluster stability, Ctrip's smart attribution team rebuilt the architecture with Ray and DuckDB, achieving sub‑15‑second query times, 160 % performance gain, and complete resource isolation.

Attribution AnalysisDistributed ComputingDuckDB
0 likes · 22 min read
How Ray + DuckDB Cut 9B-Row Attribution Queries from 40s to 15s
Ctrip Technology
Ctrip Technology
Mar 12, 2026 · Cloud Native

How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages

A recent K8s host‑level deployment triggered massive service timeouts because runc 1.1.5 passed incorrect CPU‑binding masks to systemd, causing containers to share cores, inflating load and starving workloads, a problem uncovered with Perfetto, BPF tracing and a targeted bug‑fix upgrade.

BPFCPU bindingPerfetto
0 likes · 10 min read
How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages
Ctrip Technology
Ctrip Technology
Dec 18, 2025 · Backend Development

How UCS Powers Global Traffic Scheduling and Compliance

This article explains how Ctrip’s Universal Control Service (UCS) handles global traffic routing, data‑compliance zones, region failover, and gradual migration by using configurable strategy models, partitioning logic, and a lightweight degradation mask to ensure reliable, compliant user experiences worldwide.

UCSbackend architecturedata compliance
0 likes · 12 min read
How UCS Powers Global Traffic Scheduling and Compliance
Ctrip Technology
Ctrip Technology
Dec 5, 2025 · Databases

How Ctrip’s DRC Enables High‑Performance Cross‑Region MySQL Replication

This article explains the design and implementation of Ctrip's Data Replication Center (DRC), a MySQL‑based high‑availability system that solves cross‑region data loop, progress tracking, concurrency, DDL handling, and conflict resolution to achieve low‑latency, reliable data replication for global travel services.

Data ReplicationGTIDMySQL
0 likes · 21 min read
How Ctrip’s DRC Enables High‑Performance Cross‑Region MySQL Replication
Ctrip Technology
Ctrip Technology
Nov 27, 2025 · Big Data

How Ctrip Cut Query Latency by 85% with StarRocks’ Compute‑Storage Separation

Ctrip migrated its massive User Behavior Tracking system from ClickHouse to a compute‑storage separated StarRocks cluster on Kubernetes, achieving millisecond‑level query latency, halving storage usage, reducing node count, and sustaining millions‑of‑rows‑per‑second write throughput while simplifying scaling and operations.

Data MigrationKubernetesStarRocks
0 likes · 15 min read
How Ctrip Cut Query Latency by 85% with StarRocks’ Compute‑Storage Separation