Compare GaussDB vs. PolarDB in 2026

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Description

GaussDB (for MySQL) represents a cutting-edge, enterprise-level distributed database service that is compatible with MySQL. It features a distinct architecture that separates compute and storage, utilizing data functions virtualization (DFV) storage which can automatically scale to accommodate up to 128 TB per database instance. The risk of data loss is essentially eliminated, and it is capable of handling millions of QPS throughputs while supporting cross-AZ deployments. This service effectively merges the high performance and dependability of commercial databases with the adaptability of open-source solutions. By decoupling compute and storage and connecting them via RDMA, along with implementing a "log as database" approach, users can achieve performance levels that are seven times greater than those of traditional open-source databases. Additionally, to enhance read capacity and performance, you can easily integrate up to 15 read replicas for a primary node within just minutes. GaussDB (for MySQL) ensures full compatibility with MySQL, allowing for a smooth migration of existing MySQL databases without the need for extensive application reconstruction or sharding, making it an ideal choice for businesses looking to upgrade their database systems. Overall, this innovative service provides an efficient solution for modern database management needs.

Description

PolarDB is engineered for mission-critical database applications that demand exceptional speed, extensive concurrency, and seamless scaling capabilities. It allows for a remarkable expansion of up to millions of queries per second and supports a database cluster with a capacity of 100 TB alongside 15 low latency read replicas. This platform boasts a performance that is six times quicker than traditional MySQL databases while providing the security, reliability, and availability comparable to well-established commercial databases at merely one-tenth of the cost. PolarDB represents a culmination of advanced database technology and best practices refined over the previous decade, which have been instrumental during massive events like the Alibaba Double 11 Global Shopping Festival. In a move to foster the developer community, we are pleased to introduce Always Free ApsaraDB for PolarDB across all three variations, available for users operating with no more than one instance (featuring 2 cores and 8GB of memory) and up to 50GB of storage. Act now to register and ensure you renew each month in order to retain this advantageous offer. Please be aware that the availability of regional resources may vary over time, so staying informed is essential.