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iQIYI Technical Product Team

The technical product team of iQIYI

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Latest from iQIYI Technical Product Team

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iQIYI Technical Product Team

Dec 3, 2021 · Big Data

iQIYI Basic Data Platform: Architecture, High Availability, and Service Practices

iQIYI’s Basic Data Platform unifies data exchange across dozens of business lines by providing massive storage, distribution, online query and offline analysis services, employing an access layer, unified management, fine‑grained governance, dual‑cluster ID generation, active‑standby HBase with MongoDB WAL, RocketMQ messaging with server‑side filtering, and horizontally scalable read replicas to ensure high availability and performance.

HBaseMessage Queuedata platform

0 likes · 13 min read

iQIYI Basic Data Platform: Architecture, High Availability, and Service Practices

iQIYI Technical Product Team

Nov 26, 2021 · Industry Insights

How iQIYI Built an Unmanned Fault‑Handling System for 99% Reliability

This article details iQIYI's unmanned monitoring platform, covering its design goals, overall architecture, core modules such as real‑time data collection, decision engine, and event‑processing engine, as well as the machine‑learning model used for production‑time prediction and the system's operational results and future roadmap.

Operationsfault automationmachine learning

0 likes · 13 min read

How iQIYI Built an Unmanned Fault‑Handling System for 99% Reliability

iQIYI Technical Product Team

Nov 26, 2021 · Backend Development

Analysis and Solutions for Load‑Balancing Issues in QLB‑4 Based TFServing Service Calls

The investigation of QLB‑4‑based TFServing calls revealed uneven traffic, stale routing after scaling, and idle servers due to layer‑4 hash routing, leading the team to replace QLB‑4 with a Consul‑driven client‑side load‑balancer that dynamically pools servers, eliminates restarts, and cuts GPU waste.

BackendConsulQLB-4

0 likes · 11 min read

Analysis and Solutions for Load‑Balancing Issues in QLB‑4 Based TFServing Service Calls

iQIYI Technical Product Team

Nov 19, 2021 · Mobile Development

iQIYI iOS Cloud Recording and Playback Platform: Architecture and Implementation

iQIYI’s iOS Cloud Recording and Playback Platform leverages a cloud‑device farm and a Swift‑based driver to capture user actions, generate Python scripts, and replay them across shared devices, dramatically cutting automation costs while providing fast DOM access, multi‑method element identification, CI integration, and visual reporting for reliable regression testing.

AI element recognitionSwift WDAcloud testing

0 likes · 12 min read

iQIYI iOS Cloud Recording and Playback Platform: Architecture and Implementation

iQIYI Technical Product Team

Nov 12, 2021 · Backend Development

Design and Implementation of Proximity Routing and Graceful Startup/Shutdown in Spring Cloud for Multi‑Region Deployments

iQIYI built a Spring Cloud extension that adds zone‑ and region‑aware client‑side load balancing, metadata‑driven instance filtering, and delayed registration plus deregistration hooks, enabling proximity routing, graceful startup, and graceful shutdown for multi‑region, multi‑datacenter deployments and improving service stability and disaster‑recovery.

Backend DevelopmentMicroservicesProximity Routing

0 likes · 11 min read

Design and Implementation of Proximity Routing and Graceful Startup/Shutdown in Spring Cloud for Multi‑Region Deployments

iQIYI Technical Product Team

Nov 12, 2021 · Artificial Intelligence

iQIYI Generic Ranking Framework for Video Recommendation

iQIYI’s generic ranking framework unifies feature production, replay, training, and ranking into modular, configurable phases that handle offline and real‑time data, support diverse models, provide automated monitoring, and have been deployed across all platforms, delivering over 20% higher watch time and doubling first‑play videos.

feature engineeringonline servingranking framework

0 likes · 15 min read

iQIYI Generic Ranking Framework for Video Recommendation

iQIYI Technical Product Team

Nov 5, 2021 · Artificial Intelligence

iQIYI’s QAV1 Encoder Achieves High Compression and Bandwidth Savings Using AV1 and Deep Learning

iQIYI’s QAV1 encoder, which combines the next‑generation AV1 codec with deep‑learning techniques, delivers 20‑42% bandwidth savings and up to 36% higher compression efficiency than x265 while maintaining ultrafast 60 fps encoding speeds, enabling high‑quality 4K/8K streaming and live broadcast across devices.

AV1Bandwidth ReductionDeep Learning

0 likes · 6 min read

iQIYI’s QAV1 Encoder Achieves High Compression and Bandwidth Savings Using AV1 and Deep Learning

iQIYI Technical Product Team

Nov 5, 2021 · Operations

Fine-Grained Code Coverage Integration and Practices at iQIYI

iQIYI integrated JaCoCo with its DevOps pipeline, using Git diff and Jira‑linked branch naming to automatically generate fine‑grained coverage reports at incremental, branch, and requirement levels, enforcing 90 % thresholds that lifted backend service coverage from under 70 % to over 90 % and markedly improved reliability.

CI/CDDevOpsJaCoCo

0 likes · 14 min read

Fine-Grained Code Coverage Integration and Practices at iQIYI

iQIYI Technical Product Team

Nov 5, 2021 · Artificial Intelligence

Accelerating 4K Video Super‑Resolution with TensorRT: iQIYI’s Optimization and Production Practices

iQIYI optimized a 4K video super-resolution model using TensorRT, employing split of graph, operator fusion, custom CUDA kernels, and int8 quantization, achieving tenfold speedup (≈180 ms per 1080p frame) and demonstrating deep customization potential for large‑scale production.

INT8 quantizationTensorRTiQIYI

0 likes · 17 min read

Accelerating 4K Video Super‑Resolution with TensorRT: iQIYI’s Optimization and Production Practices

iQIYI Technical Product Team

Oct 29, 2021 · Mobile Development

iOS Stability Testing: Framework, Strategies, and Optimization Practices

iQIYI’s iOS stability testing platform combines a three‑layer cloud device farm architecture with both random monkey and AI‑enhanced element‑traversal event generation, uses screenshot fingerprinting and OCR to mitigate runtime pop‑ups, and achieves roughly 30 % higher page coverage while detecting hundreds of crashes in production.

AI element detectionevent generationiOS-testing

0 likes · 15 min read

iOS Stability Testing: Framework, Strategies, and Optimization Practices