Rocketmq學習（2）學習記錄

學習資料

github上中文文檔，相當詳細：
https://github.com/apache/rocketmq/tree/master/docs/cn

簡單實例展示：
https://github.com/apache/rocketmq/tree/master/example

通過認真看完上面內容，及實驗實例之後就可以詳細的瞭解rocketmq的特性、原理及應用。

我也會通過學習，閱讀源碼加入註釋去理解，由於水平有限看官可以指正，共同學習進步，我會持續在這個分支上進行斷點註釋學習：源碼學習註釋分支

問題記錄

org.apache.rocketmq.client.exception.MQClientException: Send [3] times, still failed, cost [41]ms, Topic: TopicTest, BrokersSent: [broker-a, broker-a, broker-a]
See http://rocketmq.apache.org/docs/faq/ for further details.
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:638)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1310)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1256)
	at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:339)
	at org.apache.rocketmq.example.quickstart.Producer.main(Producer.java:69)
Caused by: org.apache.rocketmq.client.exception.MQBrokerException: CODE: 14  DESC: service not available now, maybe disk full, CL:  0.91 CQ:  0.91 INDEX:  0.91, maybe your broker machine memory too small.
For more information, please visit the url, http://rocketmq.apache.org/docs/faq/
	at org.apache.rocketmq.client.impl.MQClientAPIImpl.processSendResponse(MQClientAPIImpl.java:671)
	at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessageSync(MQClientAPIImpl.java:467)
	at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:449)
	at org.apache.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:403)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendKernelImpl(DefaultMQProducerImpl.java:831)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:557)
	... 4 more

以上錯誤可以通過調大broker的jvm內存。

未完待續…