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:Test results

Last Updated:Sep 29, 2025

This topic provides the performance test results for general-purpose, high-availability ApsaraDB RDS for PostgreSQL instances.

Note

This topic provides test data for general-purpose, high-availability ApsaraDB RDS for PostgreSQL 14 instance types. This data is for reference only. For more information about ApsaraDB RDS for PostgreSQL, see Performance optimization and diagnosis and Development and O&M recommendations.

Specifications

Number of tables

Data volume in a single table

Sysbench threads

Sysbench reads

(count)

Sysbench writes

(count)

QPS

TPS

2 cores, 8 GB of memory (pg.n4.2c.2m)

64

10,000,000

64

2,061,416

588,976

16,352

818

4 cores, 16 GB of memory (pg.n4.4c.2m)

64

10,000,000

64

4,305,728

1,230,208

34,162

1,708

6 cores, 24 GB of memory (pg.n4.6c.2m)

64

10,000,000

64

4,735,752

1,353,069

37,575

1,879

8 cores, 32 GB of memory (pg.n4.8c.2m)

64

10,000,000

64

5,084,926

1,452,836

40,339

2,017

12 cores, 48 GB of memory (pg.n4.12c.2m)

64

10,000,000

64

6,007,960

1,716,558

47,671

2,384

Note

In this example, the stress testing duration is 180 seconds.

Test results for rds.pg.sth43Test results for pg.x8.xlarge.2