組件的高可用性 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能夠發佈爲「高可用性」的，這樣的話當一個verticle被髮布到一個實例上忽然死掉了，

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

這個verticle會被從新發布到集羣的另一個vert.x的實例上。

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

運行verticle爲高可用性，只要追加參數-ha。

vertx run my-verticle.js -ha

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

在啓用高可用性時，不用追加-cluster參數。

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