红帽全球峰会91.9. 吞吐量日志记录器，带有 groupInterval 示例
此路由将导致每个 10 的消息统计记录每个 10，即使没有任何消息流量，也会显示初始 60s 延迟和统计。
from("activemq:orders").
to("log:com.mycompany.order?level=DEBUG&groupInterval=10000&groupDelay=60000&groupActiveOnly=false").to("bean:processOrder");将记录以下内容：
"Received: 1000 new messages, with total 2000 so far. Last group took: 10000 millis which is: 100 messages per second. average: 100"
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