摘要：基于源码分析hadoop namenode格式化和启动过程实现 (According to the source code analysis hadoop namenode formatting and startup process implementation.) 阅读全文

摘要：使用Flink SQL结合Kafka、Elasticsearch、Kibana实时分析电商用户行为 (Use flink sql to combine kafka, elasticsearch and kibana, real-time analysis of e-commerce user behavior.) 阅读全文

摘要：基于kafka topic、分区、消费组和消费者原理，分析RangeAssignor、RoundRobinAssignor、StickyAssignor三种消费组消费者分配策略 (Based on the Fundamentals of Kafka topic, partition, consumer and consumer group, analyzing the assigner strategy about RangeAssignor, RoundRobinAssignor, StickyAssignor) 阅读全文