DRDS instances and ApsaraDB RDS for MySQL instances are classified into different instance specifications based on the CPU processing capability, memory capacity, and disk space. Instances of multiple different specifications are provided for selection. A higher specification indicates the higher processing capability on the instance. This topic describes how to select instance specifications.

Select a type and a specification of your DRDS instance

DRDS instances are all the dedicated instances. Each instance provides at least two nodes to ensure high availability. A DRDS instance provides compute-intensive services. Its processing capability is relevant to the CPU and measured by the metric: queries per second (QPS). When you select an instance, you must refer to the maximum QPS that is supported by different specifications, and the estimated maximum QPS of your business.

Edition Instance specification (CPU and memory) Feature
Starter Edition 8 cores and 16 GB This edition is oriented to early-stage business development and testing scenarios. It cannot provide the acceleration capability for complex queries.
12 cores and 24 GB
16 cores and 32 GB
20 cores and 40 GB
24 cores and 48 GB
28 cores and 56 GB
32 cores and 64 GB
Standard Edition 16 cores and 32 GB This edition offers a wide variety of specifications and a high cost-effectiveness ratio. It is oriented to online business scenarios that required ultra-high concurrency, complex queries, and lightweight analysis. By default, parallel queries are provided. This makes complex queries, such as multi-table association, aggregation, and sorting, of online business more efficiently run.
24 cores and 48 GB
32 cores and 64 GB
40 cores and 80 GB
48 cores and 96 GB
56 cores and 112 GB
64 cores and 128 GB
72 cores and 144 GB
80 cores and 160 GB
88 cores and 176 GB
96 cores and 192 GB
112 cores and 224 GB
120 cores and 240 GB
128 cores and 256 GB
Enterprise Edition 32 cores and 64 GB This edition offers a large number of resources. It is oriented to enterprise-level business scenarios that require ultra-high concurrency, complex queries of large-scale data, and accelerated analysis. By default, parallel queries are provided to significantly improve the efficiency of complex queries and report analysis on large amounts of data.
48 cores and 96 GB
64 cores and 128 GB
96 cores and 384 GB
112 cores and 224 GB
128 cores and 256 GB
144 cores and 288 GB
160 cores and 320 GB
176 cores and 352 GB
192 cores and 384 GB

Select a ApsaraDB RDS for MySQL instance specification

  • You must estimate the business growth in the next one to two years and determine the required maximum disk space.
  • You must estimate the maximum input/output operations per second (IOPS) that is required by one ApsaraDB RDS for MySQL instance.
Note We recommend that you purchase multiple ApsaraDB RDS for MySQL instances of the small and medium specifications to support fast configuration upgrade of ApsaraDB RDS for MySQL instances when a storage bottleneck is encountered.