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PolarDB-X

PolarDB-X 2.4.1: Enhance Enterprise-level O&M Capabilities

This article describes the features of PolarDB-X 2.4.1, including dump and restoration of cloud backup, online DDL, physical scaling, and time to live (TTL).

PolarDB-X Disaster Recovery Capabilities: Cross-AZ, Cross-Region, and Cross-Cloud

The article discusses the evolution and expansion of PolarDB-X and the introduction of its Global Database Network (GDN) product feature.

PolarDB-X TPC-H Column-Oriented Storage Execution Plan

The article explains the design points of PolarDB-X's TPC-H columnar execution plan, covering optimization principles, proofs, and code implementations.

Core Technology of PolarDB-X Storage Engine | Lizard B+tree Optimization

The article introduces the core technology of the PolarDB-X storage engine, specifically focusing on the Lizard B+tree optimization.

In-depth Comparison between MySQL MGR and Alibaba Cloud PolarDB-X Paxos

This article introduces an in-depth comparison between MySQL MGR and Alibaba Cloud PolarDB-X Paxos for database disaster recovery.

Core Technology of PolarDB-X Storage Engine | Optimization of Large-Scale Transactions

The article introduces the core technology and optimization strategies of the PolarDB-X storage engine.

Core Technology of PolarDB-X Storage Engine | Lizard Lock-free Backup

This article introduces the Lizard lock-free full backup design of PolarDB-X.

Core Technology of PolarDB-X Storage Engine | Lizard Multi-level Flashback

The article introduces the concept of flashback technology in PolarDB-X.

Full Support of PolarDB-X Columnar Index for Multi Schema

This article introduces the Schema Evolution capability designed for DDL operations in the PolarDB-X column-oriented storage engine.

PolarDB-X Column-oriented Storage Query Engine

This article focuses on the perspective of the SQL engine executor and introduces various new features in PolarDB-X column-oriented analysis query acceleration.

PolarDB-X CDC: Compatible with MySQL and Beyond

This article focuses on the advanced capabilities of PolarDB-X CDC.

PolarDB-X Partition Key Column Type Change

This article uses column type change as an example to briefly explain how to execute the ALTER TABLE statement in PolarDB-X.

Implementation of PolarDB-X Distributed Transactions (1)

This article introduces the implementation of PolarDB-X distributed transactions, focusing on the XA Transaction and TSO Transaction strategies.

Global Secondary Index in PolarDB-X

This article describes the technical efforts made by PolarDB-X to introduce global secondary indexes that are compatible with the indexing experience in MySQL.

Interpretation of PolarDB-X Data Distribution (4): Transparent vs. Manual

This article introduces the importance of table groups in distributed databases.

Interpretation of PolarDB-X Data Distribution (3): TPC-C and Transparent Distribution

The article introduces the importance of transparent distribution in modern distributed databases, focusing on the test results of TPC-C and the necessity of global indexes.

PolarDB-X Sharding Rule Changes

This article covers PolarDB-X's sharding rule changes, a cloud-native database that distributes data across multiple nodes and supports dynamic repartitioning.

Interpretation of PolarDB-X Data Distribution (2): Hash vs. Range

This article talks about the design principles of data distribution in PolarDB-X.

Core Technology of PolarDB-X Storage Engine | XRPC 2.0

This article introduces XRPC, a technical solution that addresses complex communication requirements between compute nodes and data nodes in PolarDB-X.

Exploring Savepoint in Database

The article introduces the concept of using savepoints in databases, specifically in the context of addressing data inconsistency issues in distributed databases such as PolarDB-X.