组件的高可用性 High Availability

High Availability

高可用性

Verticles can be deployed with High Availability (HA) enabled. In that context, when a verticle is

verticle能够发布为“高可用性”的，这样的话当一个verticle被发布到一个实例上忽然死掉了，

 deployed on a vert.x instance that dies abruptly, the verticle is redeployed on another vert.x instance from the cluster.

这个verticle会被从新发布到集群的另一个vert.x的实例上。

To run an verticle with the high availability enabled, just append the -ha switch:

运行verticle为高可用性，只要追加参数-ha。

vertx run my-verticle.js -ha

When enabling high availability, no need to add -cluster.

在启用高可用性时，不用追加-cluster参数。

More details about the high availability feature and configuration in the High Availability and Fail-Oversection.