Spring boot08: integrating Druid
Crazy God said that the spring boot series is easy to understand. Based on the version 2.2.5 of spring boot, you are wel...
Source code interpretation of SLF4J binding log implementation principle
1, Guide reading When we use the log4j framework, we often use the slf4j API. When running, you often encounter the fol...
Flume simple case
Collection directory to HDFS **Collection requirements: * * new files will be generated in a specific directory of the s...
Shiro - Detail the Official Starting Cases from scratch!!!
First go to shiro's official website to download the source code http://mirror.bit.edu.cn/apache/shiro/1.5.0/shiro-root-...
k8s deployment stateful service zookeeper example
Without considering the configuration file first: apiVersion: apps/v1 kind: StatefulSet #####A problem with fixed hostname and stateful service is th...
Synchronizer for Java Multithread Programming
Synchronizer Solutions are provided for each specific synchronization problem Semaphore Semaphore controls access to shared resources through counters...