This does have the advantage of no polling overhead from the client and it also USES standard networking configuration.
这么做就无需客户端轮询了，同时还能使用标准的网络配置。
The second technique is to reduce the polling overhead of the JMX exposed memory pools further by implementing the listening collector pattern instead of a polling pattern.
第二个技巧是使用监控收集模式代替轮询模式，从而进一步减少JMX公开内存池的轮询开销。
This could dramatically improve the network overhead normally associated with periodic polling.
这可以显著降低通常与周期性轮询有关的网络开销。
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