Compare Alibaba Cloud DRDS vs. PolarDB in 2026

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Description

The Distributed Relational Database Service (DRDS) is an agile, adaptable, and reliable middleware solution crafted by Alibaba Cloud. Primarily aimed at enhancing standalone relational databases, DRDS has undergone rigorous testing in critical transactional scenarios on platforms like Tmall, particularly during high-traffic events such as the Singles’ Day Shopping Festival. With a decade of experience, DRDS has established itself as a dependable database service provider. It enables data read and write operations based on clustered configurations and offers efficient data storage solutions. Operating across multiple independent servers, DRDS ensures that user connection volumes do not hinder performance. Furthermore, it allows for seamless upgrades and downgrades of data configurations, coupled with the ability to visually manage the scaling up and down of data storage. The service enhances reading performance through read and write splitting, which effectively linearizes improvements. Additionally, it accommodates various data splitting techniques tailored to specific data types, including parallel data splitting. DRDS emphasizes the efficiency of primary shards and facilitates parallel query executions, thereby optimizing overall database performance and responsiveness. This makes it an ideal choice for enterprises seeking robust database solutions.

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.