:original_name: gaussdb_01_0002.html .. _gaussdb_01_0002: Product Benefits ================ GaussDB(for MySQL) is an enterprise-class cloud database that uses a decoupled compute and storage architecture. Requirements ------------ .. table:: **Table 1** Requirements +---------------------------------+---------------------------------------------------------------+ | Requirements | Description | +=================================+===============================================================+ | MySQL compatibility | No need to reconstruct original MySQL applications | +---------------------------------+---------------------------------------------------------------+ | Mass storage | Large data storage capacity for Internet services | +---------------------------------+---------------------------------------------------------------+ | Distributed scalability | Automatic sharding or non-sharding with no impact on services | +---------------------------------+---------------------------------------------------------------+ | Strong-consistency transactions | Strong consistency of distributed transactions | +---------------------------------+---------------------------------------------------------------+ | High availability | Multi-AZ high availability and multi-region disaster recovery | +---------------------------------+---------------------------------------------------------------+ | High concurrency | High performance in high concurrency scenarios | +---------------------------------+---------------------------------------------------------------+ Core Advantages --------------- .. table:: **Table 2** Core advantages +----------------------+------------------------------------------------------+ | Advantage | Description | +======================+======================================================+ | Superior performance | Million-level QPS | +----------------------+------------------------------------------------------+ | High scalability | 1 write and 15 read-only nodes; 128 TB storage space | +----------------------+------------------------------------------------------+ | High reliability | Cross-AZ deployment and three data copies | +----------------------+------------------------------------------------------+ | High compatibility | Compatible with MySQL | +----------------------+------------------------------------------------------+ Customer Benefits ----------------- - Mass storage with 128 TB capacity and no sharding required - Easy-to-use, fully compatible with MySQL, and no application reconstruction required. - Elastic scalability with 15 read replicas and read/write splitting - Multi-AZ deployment, remote disaster recovery, and high reliability