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ApsaraDB RDS:DuckDB analytic read-only instance types

Last Updated:Oct 31, 2025

This topic describes the instance types for RDS DuckDB analytic read-only instances, including their computing resources, storage capabilities, and detailed parameters.

Important
  • Actual maximum IOPS: The actual maximum IOPS depends on the storage class, storage capacity, and instance type. For more information, see Maximum IOPS calculation formula.

  • Actual maximum I/O bandwidth: The actual maximum I/O bandwidth depends on the storage class, storage capacity, and instance type. For more information, see Maximum throughput calculation formula.

DuckDB analytic read-only instances

Series

Family

Instance type code

CPU and memory

Default maximum connections

Maximum IOPS of instance type

Maximum I/O bandwidth of instance type (MB/s)

Storage capacity

High-availability series

Dedicated

myduckro.x2.medium.1c

2 cores, 4 GB

4000

10000

125

  • PL1 ESSD: 20 GB to 16,000 GB

  • PL2 ESSD: 500 GB to 16,000 GB

  • PL3 ESSD: 1,500 GB to 16,000 GB

  • Premium performance disk: 10 GB to 16,000 GB

myduckro.x4.medium.1c

2 cores, 8 GB

6000

myduckro.x8.medium.1c

2 cores, 16 GB

8000

myduckro.x2.large.1c

4 cores, 8 GB

6000

20000

187.5

myduckro.x4.large.1c

4 cores, 16 GB

8000

myduckro.x8.large.1c

4 cores, 32 GB

12000

myduckro.x2.xlarge.1c

8 cores, 16 GB

8000

25000

250

myduckro.x4.xlarge.1c

8 cores, 32 GB

10000

myduckro.x8.xlarge.1c

8 cores, 64 GB

16000

myduckro.x2.3large.1c

12 cores, 24 GB

12000

30000

312.5

myduckro.x4.3large.1c

12 cores, 48 GB

15000

myduckro.x8.3large.1c

12 cores, 96 GB

24000

myduckro.x2.2xlarge.1c

16 cores, 32 GB

16000

40000

375

myduckro.x4.2xlarge.1c

16 cores, 64 GB

20000

myduckro.x8.2xlarge.1c

16 cores, 128 GB

32000

myduckro.x2.3xlarge.1c

24 cores, 48 GB

24000

50000

500

myduckro.x4.3xlarge.1c

24 cores, 96 GB

30000

myduckro.x8.3xlarge.1c

24 cores, 192 GB

48000

myduckro.x2.4xlarge.1c

32 cores, 64 GB

32000

60000

625

myduckro.x4.4xlarge.1c

32 cores, 128 GB

40000

myduckro.x8.4xlarge.1c

32 cores, 256 GB

64000

myduckro.x4.8xlarge.1c

64 cores, 256 GB

80000

150000

1025

myduckro.x8.8xlarge.1c

64 cores, 512 GB

128000

1000

myduckro.x4.16xlarge.1c

128 cores, 512 GB

128000

120000

2560

Legacy instance types

Note

Legacy DuckDB analytic read-only instances are unaffected and continue to operate normally. You can upgrade or downgrade them to new instance types.

Series

Family

Instance type code

CPU and memory

Default maximum connections

Maximum IOPS

Storage capacity

High-availability series

Dedicated

mysqlro.x2.medium.1c

2 cores, 4 GB

4000

10000

20 GB to 16,000 GB

mysqlro.x4.medium.1c

2 cores, 8 GB

6000

mysqlro.x8.medium.1c

2 cores, 16 GB

8000

mysqlro.x2.large.1c

4 cores, 8 GB

6000

20000

mysqlro.x4.large.1c

4 cores, 16 GB

8000

mysqlro.x8.large.1c

4 cores, 32 GB

12000

mysqlro.x2.xlarge.1c

8 cores, 16 GB

8000

25000

mysqlro.x4.xlarge.1c

8 cores, 32 GB

10000

mysqlro.x8.xlarge.1c

8 cores, 64 GB

16000

mysqlro.x2.3large.1c

12 cores, 24 GB

12000

30000

mysqlro.x4.3large.1c

12 cores, 48 GB

15000

mysqlro.x8.3large.1c

12 cores, 96 GB

24000

mysqlro.x2.2xlarge.1c

16 cores, 32 GB

16000

40000

mysqlro.x4.2xlarge.1c

16 cores, 64 GB

20000

mysqlro.x8.2xlarge.1c

16 cores, 128 GB

32000

mysqlro.x2.3xlarge.1c

24 cores, 48 GB

24000

50000

mysqlro.x4.3xlarge.1c

24 cores, 96 GB

30000

mysqlro.x8.3xlarge.1c

24 cores, 192 GB

48000

mysqlro.x2.4xlarge.1c

32 cores, 64 GB

32000

60000

mysqlro.x4.4xlarge.1c

32 cores, 128 GB

40000

mysqlro.x8.4xlarge.1c

32 cores, 256 GB

64000

mysqlro.x4.8xlarge.1c

64 cores, 256 GB

80000

150000

mysqlro.x8.8xlarge.1c

64 cores, 512 GB

128000

mysqlro.x4.16xlarge.1c

128 cores, 512 GB

128000

120000