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Qu Tech

Qutoutiao technology sharing

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Latest from Qu Tech

8 recent articles
Qu Tech
Qu Tech
Aug 23, 2021 · Information Security

How Qutoutiao Built a Robust Anti-Cheat SDK and Device Fingerprinting System

This article outlines Qutoutiao's security team's development of a standalone anti‑cheat SDK, its custom device‑fingerprinting architecture, the evolution of their fingerprint algorithms, the creation of the tuid identifier, and how these technologies together combat black‑market attacks while maintaining compliance and stability.

SDKanti-cheatdevice fingerprint
0 likes · 18 min read
How Qutoutiao Built a Robust Anti-Cheat SDK and Device Fingerprinting System
Qu Tech
Qu Tech
May 6, 2021 · Big Data

How JuiceFS Cut HDFS Load by 26% and Boost Presto Query Speed 13%

This case study details how integrating JuiceFS with Presto reduced HDFS cluster load by about 26%, achieved over 90% cache hit rate for ad‑hoc queries, and lowered average query latency by roughly 13%, while simplifying operations and improving system stability.

Big DataJuiceFSPerformance Optimization
0 likes · 9 min read
How JuiceFS Cut HDFS Load by 26% and Boost Presto Query Speed 13%
Qu Tech
Qu Tech
Mar 1, 2021 · Cloud Native

Boost Kubernetes Efficiency: 5 Practical Pod Scheduling Techniques

This article explains how to improve Kubernetes resource utilization by addressing node fragmentation, pod misconfiguration, and HPA settings, and then details five concrete scheduling methods—including nodeName, nodeSelector, nodeAffinity, taints, and pod priority—to optimize pod placement and reduce waste.

KubernetesNode AffinityPod Scheduling
0 likes · 12 min read
Boost Kubernetes Efficiency: 5 Practical Pod Scheduling Techniques
Qu Tech
Qu Tech
Jan 25, 2021 · Operations

How to Diagnose and Fix High Load with Low CPU Utilization in Nginx

This article walks through Linux process states, fork/exec creation, CPU vs load metrics, network I/O models, and a real‑world Nginx high‑load case, showing how strace, accept_mutex, and SO_REUSEPORT can resolve the issue.

Linux performanceNginxSO_REUSEPORT
0 likes · 12 min read
How to Diagnose and Fix High Load with Low CPU Utilization in Nginx
Qu Tech
Qu Tech
May 7, 2019 · Frontend Development

How to Pinpoint JavaScript Errors in Production Using Source Maps

This article explains how to use SourceMap files to trace minified JavaScript errors back to their original source lines, covering overall design, code examples, error reporting workflow, CI integration, storage strategies, and future monitoring enhancements.

MonitoringWebpackerror tracking
0 likes · 7 min read
How to Pinpoint JavaScript Errors in Production Using Source Maps
Qu Tech
Qu Tech
Apr 17, 2019 · Cloud Native

How Go Powers Service Mesh, Tracing, and Microservices in Leading Chinese Tech Companies

The Shanghai Go Language Tech Salon, co‑hosted by Qutoutiao and Jikebang, gathered senior architects from Qutoutiao, Qiniu, and Bilibili to share real‑world implementations of Go, covering a self‑built Service Mesh, full‑link tracing, and microservice governance, followed by an interactive Lean Coffee discussion on Go’s future.

Backend DevelopmentFull‑Link TracingGo
0 likes · 9 min read
How Go Powers Service Mesh, Tracing, and Microservices in Leading Chinese Tech Companies