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IT Architects Alliance
IT Architects Alliance
Aug 11, 2020 · Industry Insights

How Alibaba and Tencent Cloud Databases Compete in the Chinese Market

This article analyzes the features, performance benchmarks, market share growth, and use‑case scenarios of Alibaba Cloud's PolarDB, OceanBase and other services alongside Tencent Cloud's MySQL, CynosDB and related offerings, highlighting how each provider positions its cloud database portfolio in China’s fast‑growing market.

Alibaba CloudCloud DatabasesCynosDB
0 likes · 11 min read
How Alibaba and Tencent Cloud Databases Compete in the Chinese Market
Tencent Cloud Developer
Tencent Cloud Developer
Mar 15, 2020 · Industry Insights

Who Rules the Database World? Insights from Tencent’s TVP Tech Forum

The article reviews a Tencent Cloud TVP closed‑door forum where experts compared MySQL 8.0, PostgreSQL, Redis and the cloud‑native CynosDB, highlighting each product’s technical strengths, ecosystem support, and the broader industry trend toward cloud‑native, multi‑database solutions as the future of data management.

Cloud NativeCynosDBPostgreSQL
0 likes · 17 min read
Who Rules the Database World? Insights from Tencent’s TVP Tech Forum
Tencent Database Technology
Tencent Database Technology
Jan 9, 2020 · Databases

CynosDB: Cloud‑Native Distributed Database Architecture and Performance Optimizations

The article presents an in‑depth technical overview of Tencent Cloud's CynosDB, describing the challenges of traditional MySQL‑based cloud databases, detailing its compute‑storage decoupled architecture, redo‑log based replication, MVCC implementation, performance enhancements, and how these innovations address elasticity, stability, and resource utilization issues.

Cloud NativeCynosDBDatabase Architecture
0 likes · 21 min read
CynosDB: Cloud‑Native Distributed Database Architecture and Performance Optimizations
Tencent Cloud Developer
Tencent Cloud Developer
Jun 27, 2019 · Databases

Evolution and Technical Analysis of Tencent Cloud Databases: TDSQL and CynosDB

Tencent Cloud’s database evolution progressed from early open‑source integration to self‑developed, cloud‑native solutions, producing the distributed, high‑availability TDSQL and the compute‑storage‑separated, log‑sinking CynosDB, each featuring advanced scheduling, sharding, cost‑based optimization, and asynchronous log replay to deliver scalable, low‑latency performance for diverse workloads.

Cloud NativeCynosDBDistributed Systems
0 likes · 17 min read
Evolution and Technical Analysis of Tencent Cloud Databases: TDSQL and CynosDB
Tencent Cloud Developer
Tencent Cloud Developer
Apr 4, 2019 · Cloud Native

Design and Optimization of CynosDB for PostgreSQL: One‑Primary Multi‑Read Architecture

The article details CynosDB’s cloud‑native PostgreSQL design—using compute‑storage separation, log sinking with asynchronous replay, and multi‑version reads—to enable a one‑primary multi‑read architecture that delivers elastic scaling, reduced I/O, stateless instances, and rapid failover and efficient resource utilization through parallel log‑based recovery.

Cloud NativeCynosDBDatabase Architecture
0 likes · 15 min read
Design and Optimization of CynosDB for PostgreSQL: One‑Primary Multi‑Read Architecture
Tencent Cloud Developer
Tencent Cloud Developer
Mar 29, 2019 · Databases

Design of High‑Availability System and Fast Recovery in Tencent CynosDB

Tencent CynosDB achieves high availability and rapid recovery through an external HA service that combines a co‑located monitoring agent, a ZooKeeper‑backed scheduler for fault detection, decision making, and automated switch/rejoin/rebuild actions, and a VDL‑driven distributed storage recovery mechanism that prevents split‑brain scenarios.

Agent‑SchedulerCynosDBDatabase Architecture
0 likes · 19 min read
Design of High‑Availability System and Fast Recovery in Tencent CynosDB
Tencent Cloud Developer
Tencent Cloud Developer
Mar 27, 2019 · Databases

Technical Overview and Optimizations of Tencent Cloud CynosDB for MySQL

Tencent Cloud’s CynosDB for MySQL separates compute from distributed storage, using a log‑driven, stateless architecture that eliminates local I/O, enables sub‑second failover, 2.5× write performance, lock‑free structures, async group‑commit, compressed logs, fast parallel recovery, and scalable replication, with future plans for external buffer pools and multi‑master support.

Compute-Storage SeparationCynosDBPerformance Optimization
0 likes · 23 min read
Technical Overview and Optimizations of Tencent Cloud CynosDB for MySQL
Tencent Cloud Developer
Tencent Cloud Developer
Mar 26, 2019 · Databases

Technical Overview of Tencent Cloud CynosDB Distributed Storage and Compute‑Storage Separation Architecture

The Beijing technical exchange detailed Tencent Cloud CynosDB’s compute-storage separation architecture, explaining how CynosStore’s block and file-system layers asynchronously persist write-ahead logs via Raft, provide multi-transaction atomicity, continuous snapshots, and rapid recovery, while benchmarks demonstrate high log-throughput and the Q&A covered tenancy, failover, and scaling.

CynosDBDatabase ArchitectureNewSQL
0 likes · 14 min read
Technical Overview of Tencent Cloud CynosDB Distributed Storage and Compute‑Storage Separation Architecture
Tencent Cloud Developer
Tencent Cloud Developer
Mar 21, 2019 · Cloud Computing

CynosDB Compute‑Intelligent Storage Architecture and High‑Availability Overview

The talk detailed CynosDB’s compute‑intelligent storage and multi‑read architecture, explaining TXSQL, Space Manager, DBStore, and Atlas’s two‑layer distributed storage with three‑replica nodes, high‑availability recovery, snapshot and migration features, and advanced data routing and I/O protocols for robust, fault‑tolerant database services.

CynosDBhigh availability
0 likes · 11 min read
CynosDB Compute‑Intelligent Storage Architecture and High‑Availability Overview
Tencent Cloud Developer
Tencent Cloud Developer
Mar 5, 2019 · Databases

Technical Sharing on Tencent Cloud's CynosDB: Architecture, High Availability, and Distributed Storage

Tencent Cloud’s CynosDB, a cloud‑native MySQL and PostgreSQL compatible database, uses a compute‑storage separation architecture with computable intelligent storage, primary‑multiple‑read design, and distributed CynosStore to deliver high availability, fast recovery, elastic scaling, and pay‑as‑you‑go pricing for developers.

CynosDBPostgreSQLhigh availability
0 likes · 4 min read
Technical Sharing on Tencent Cloud's CynosDB: Architecture, High Availability, and Distributed Storage
Tencent Cloud Developer
Tencent Cloud Developer
Dec 20, 2018 · Databases

CynosDB Architecture and Optimization: A PostgreSQL-Compatible NewSQL Database

CynosDB, Tencent’s PostgreSQL‑compatible NewSQL service, separates compute and storage, uses a log‑based distributed CynosStore with idempotent logs, offloads CRC checks, and implements async table extension, eliminating full‑page writes and dirty‑page flushing to deliver scalable, cost‑effective performance while preserving PostgreSQL features.

CynosDBDatabase ArchitectureLog System Optimization
0 likes · 12 min read
CynosDB Architecture and Optimization: A PostgreSQL-Compatible NewSQL Database
Tencent Cloud Developer
Tencent Cloud Developer
Dec 14, 2018 · Databases

CynosDB Storage Cluster Manager (SCM): Architecture, Data Model, and Scheduling Mechanisms

CynosDB’s Storage Cluster Manager (SCM) orchestrates storage utilization by maintaining pool‑SG relationships in Etcd, using Raft for leader election, exposing HTTP APIs, and running heartbeat‑driven pool and segment‑group schedulers that allocate, expand, contract, and balance SG replicas across regions, zones, racks, and hosts.

CynosDBSCMScheduling
0 likes · 11 min read
CynosDB Storage Cluster Manager (SCM): Architecture, Data Model, and Scheduling Mechanisms
Tencent Cloud Developer
Tencent Cloud Developer
Dec 3, 2018 · Databases

Architecture and Design of Tencent Cloud CynosDB and CynosFS

Tencent Cloud’s CynosDB uses a shared‑storage, primary‑multiple‑replica architecture built on the user‑space distributed file system CynosFS, separating compute from elastic block storage, sinking write‑ahead logs for asynchronous replay, and employing MVCC with Raft‑replicated segments to achieve high‑availability, scalable, and cost‑effective MySQL/PostgreSQL‑compatible performance.

CynosDBDatabase ArchitectureLog Sinking
0 likes · 17 min read
Architecture and Design of Tencent Cloud CynosDB and CynosFS
Tencent Cloud Developer
Tencent Cloud Developer
Sep 11, 2018 · Databases

CynosDB Architecture and Core Mechanisms: A Comprehensive Technical Overview

CynosDB is Tencent Cloud’s high‑performance, highly‑available NewSQL distributed database that uses a shared‑storage architecture with primary and replica instances, log‑structured storage, RDMA/SPDK transmission, Raft consensus, SSI MVCC, two‑phase locking, and state‑machine replication to provide elastic scaling, fast recovery, and cost‑effective enterprise data management.

CynosDBMVCCNewSQL
0 likes · 17 min read
CynosDB Architecture and Core Mechanisms: A Comprehensive Technical Overview
Tencent Cloud Developer
Tencent Cloud Developer
Jun 12, 2018 · Cloud Native

CynosDB: Tencent Cloud's Next-Generation Enterprise Distributed Cloud Database

CynosDB, Tencent Cloud’s next‑generation enterprise distributed database, re‑architects MySQL with compute‑storage separation, distributed high‑availability storage, and RDMA‑accelerated low‑latency replication, delivering extreme performance, scalability, sub‑millisecond response times, and nine‑nine data reliability for cloud‑native applications.

Cloud NativeCompute-Storage SeparationCynosDB
0 likes · 9 min read
CynosDB: Tencent Cloud's Next-Generation Enterprise Distributed Cloud Database