apache kafka quickstart

Original link:Http://www.confluent.io/blog/apache-kafka-samza-and-the-Unix-philosophy-of-distributed-dataMartin KleppmannTranslator: Jay Micro magazine-macsokolot (@gmail. com)When I was doing research for my book, I realized that modern software engineering still needed to learn a lot from the the 1970s. In such a fast-growing field, we tend to have a tendency to think that old ideas are useless-so it's ha

, topicandpartition) + "Trigerring preferred replica leader election") //Check if preferred replica are not the current leader and are alive and in the ISR if(ControllerContext.liveBrokerIds.contains (Preferredreplica) currentLeaderAndIsr.isr.contains ( Preferredreplica)) {//determine if the current preferred replica broker is alive or not in the ISR(NewLEADERANDISR (Preferredreplica, Currentleaderandisr.leaderepoch + 1, CURRENTLEADERANDISR.ISR, Currentleaderandisr.zkversion + 1), Ass