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Linux Kernel Journey
Linux Kernel Journey
Jun 16, 2025 · Cloud Computing

How Tencent’s TGW Achieves Seamless Fast Migration and Self‑Healing Fault Recovery

The paper presents Tencent’s TGW cloud gateway architecture, highlighting a 2.9× forwarding performance boost, lossless state migration within 4 seconds, sub‑minute fault detection, multi‑level fault‑tolerance mechanisms, and operational best practices that enable 100 % availability for massive online services.

Cloud GatewayDPDKState Migration
0 likes · 16 min read
How Tencent’s TGW Achieves Seamless Fast Migration and Self‑Healing Fault Recovery
Tencent Cloud Developer
Tencent Cloud Developer
May 20, 2025 · Cloud Computing

Efficient and Resilient Cloud Gateway at Scale: Architecture, Key Technologies, and Operational Practices of Tencent TGW

The article presents a comprehensive analysis of Tencent's TGW cloud gateway, detailing its modular architecture, high‑performance forwarding plane, lossless state migration, rapid fault recovery, multi‑level redundancy, operational best practices, and security mechanisms that enable ultra‑low latency and high availability for large‑scale internet services.

Cloud GatewayState Migrationfault tolerance
0 likes · 13 min read
Efficient and Resilient Cloud Gateway at Scale: Architecture, Key Technologies, and Operational Practices of Tencent TGW
Tencent Technical Engineering
Tencent Technical Engineering
May 19, 2025 · Cloud Native

How Tencent’s TGW Delivers 3× Faster Throughput and Near‑Zero Downtime at Scale

The USENIX‑selected paper on Tencent’s TGW cloud gateway reveals how a modular, multi‑layer architecture achieves up to 2.9‑fold throughput gains, seconds‑level elastic scaling, loss‑less hot migration, and sub‑second fault recovery, offering a blueprint for resilient large‑scale cloud networking.

Cloud GatewayState MigrationTencent
0 likes · 16 min read
How Tencent’s TGW Delivers 3× Faster Throughput and Near‑Zero Downtime at Scale
Big Data Technology & Architecture
Big Data Technology & Architecture
Apr 10, 2023 · Big Data

Fine‑grained Configuration, State Migration, and Debugging Techniques for Flink SQL at Meituan

This article describes how Meituan addresses the rapid growth of Flink SQL jobs by introducing fine‑grained TTL and concurrency settings, an editable execution plan for state migration, pre‑analysis compatibility checks, and a bytecode‑instrumented debugging system that captures operator data and streams it to Kafka for analysis.

Big DataDebuggingFlink
0 likes · 24 min read
Fine‑grained Configuration, State Migration, and Debugging Techniques for Flink SQL at Meituan