Presto is basically a set of WAR files that run on Tomcat container with a high availability (HA) database ( MySQL) with failover.
Presto基本上是由一套运行在Tomcat容器上的WAR文件构成的，它使用了一个高可用的数据库（MySQL）处理失败。
When you require a more robust high availability environment, you should configure a secondary idle container on each Application Server instance for the rollover to fail to.
当您需要一个更加健壮的高可用性环境时，您应该在每个ApplicationServer实例中配置一个辅助的闲置容器来过渡故障。
To ensure fault tolerance and high availability, WebSphere eXtreme Scale shard distribution algorithms ensure that the primary and replica shards are never in the same container.
为了确保容错和高可用性，WebSphereeXtremeScale碎片分布算法确保主碎片和复制碎片绝不会位于同一个容器中。
The ability to compile servlets and the availability of a free servlet container implementation (Apache Tomcat) made servlets tremendously popular.
具备编译servlet 能力的免费servlet容器实现 (ApacheTomcat) 的存在使得 servlet变得非常流行。
EJB container — Provides an environment for high-availability, high-performance implementation of business logic.
ejb容器——为业务逻辑的高可用性、高性能实现提供环境。
EJB container — Provides an environment for high-availability, high-performance implementation of business logic.
ejb容器——为业务逻辑的高可用性、高性能实现提供环境。
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