All Products
Search
Document Center

Microservices Engine:Limits

Last Updated:Apr 28, 2024

This topic describes the limits on the use of Microservices Engine (MSE). Before you use MSE, you must take note of the limits on the use of Microservices Registry, Microservices Governance, and cloud-native gateways provided by MSE.

Microservices Registry

Item

Requirement

Limits on the maximum number of namespaces on a Nacos instance

50

Limits on the maximum number of configuration files on a Nacos instance

10,000

Limits on the maximum size of a configuration file on a Nacos instance

  • For configurations that are encrypted by using Key Management Service (KMS), the maximum size of a single configuration file on a Nacos instance is 50 KB.

  • For configurations that are not encrypted by using KMS, the maximum size of a single configuration file on a Nacos instance is 100 KB.

Limits on the maximum number of ephemeral nodes created for a single session on a ZooKeeper instance

2,000

Microservices Governance

The following limits are imposed only on Microservices Governance.

Item

Requirement

Microservice frameworks

  • Spring Cloud Edgware and later

  • Dubbo 2.5.0 and later

For more information about supported components, see Component support for the end-to-end canary release feature.

Access applications

Applications deployed in Container Service for Kubernetes (ACK) clusters, Elastic Compute Service (ECS) instances, or Serverless App Engine (SAE).

Java Development Kit (JDK) versions of Java applications

JDK 1.6, 1.7, 1.8, 11, and 17.

Maximum number of access resources (interfaces)

Maximum number of access resources (interfaces) for an application: 1,600.

Cloud-native gateways

Item

Requirement

Regions that support TLS hardware acceleration

Due to limits on the underlying hardware, TLS hardware acceleration is supported only in the following regions:

  • China (Hangzhou).

  • China (Shanghai)

  • China (Beijing)

  • China (Shenzhen)

  • China (Hong Kong)

  • Singapore

  • Germany (Frankfurt)

Regions that support WAF 3.0 integration

Cloud-native gateways can be connected to Web Application Firewall (WAF) 2.0 by using traditional methods such as CNAME records. However, WAF 3.0 is required for integration with cloud-native gateways. WAF 3.0 integration is supported only in the following regions:

  • China (Hangzhou).

  • China (Shanghai)

  • China (Beijing)

  • China (Zhangjiakou)

  • China (Shenzhen)

  • China (Hong Kong)

Regions that support Plug-in Marketplace

Plug-in Marketplace is supported only in the following regions. If you have requirements for plug-ins, submit a ticket.

  • China (Hangzhou)

  • China (Shanghai)

  • China (Qingdao)

  • China (Beijing)

  • China (Zhangjiakou)

  • China (Shenzhen)

  • China (Guangzhou)

  • China (Hong Kong)

  • Singapore

  • Malaysia (Kuala Lumpur)

  • China East 2 Finance