Table 1 lists the number of concurrent jobs for different CDM cluster versions.

**Table 1** Concurrent tasks
Flavor	cdm.large	cdm.xlarge	cdm.4xlarge
Specifications	Node quantity: 1 vCPUs \| memory: 8 vCPUs \| 16 GB Baseline/Max. bandwidth: 0.8/3 Gbit/s	Node quantity: 1 vCPUs \| memory: 16 vCPUs \| 32 GB Baseline/Max. bandwidth: 4/10 Gbit/s	Node quantity: 1 vCPUs \| memory: 64 vCPUs \| 128 GB Baseline/Max. bandwidth: 36/40 Gbit/s
Number of concurrent jobs	30	100	300

You are advised to use multiple CDM clusters in the following and other scenarios as needed:

Use different CDM clusters for different purposes, for example, for data migration jobs or as connection agents in the DataArts Studio Management Center.
Use different CDM clusters for different business departments, such as the finance department and online store.

What Is the Number of Concurrent Jobs for Different CDM Cluster Versions?