Highway

Concept Description

Highway is ServiceComb‘s private high-performance protocol, it’s suitable for the performance sensitive scenarios.

Configuration

To use the Highway channel, add the following dependencies in the pom.xml file:

<dependency> 
  <groupId>org.apache.servicecomb</groupId>  
  <artifactId>transport-highway</artifactId> 
</dependency>

The Highway configuration items in the microservice.yaml file are described below:

Table 1-1 Highway configuration items

Configuration Item	Default Value	Description
servicecomb.highway.address		The address that the server listens, empty for not listen, just a highway client
servicecomb.highway.server.connection-limit	Integer.MAX_VALUE	Allow client maximum connections
servicecomb.highway.server.thread-count	verticle-count	highway server verticle instance count(Deprecated)
servicecomb.highway.server.verticle-count	verticle-count	highway server verticle instance count
servicecomb.highway.client.thread-count	verticle-count	highway client verticle instance count(Deprecated)
servicecomb.highway.client.verticle-count	verticle-count	highway client verticle instance count(Deprecated)

Sample code

An example of the Highway configuration in the microservice.yaml:

servicecomb:
  highway:
    address: 0.0.0.0:7070