Programmer Group

day04_Flink advanced APIToday's goalFlink's four cornerstonesFlink Window operationFlink Time - TimeFlink Watermark watermark mechanismState management of Flink - keyed state and operator stateFlink's four cornerstonesCheckpoint - checkpoint, distributed consistency, data loss resolution, fault recovery, data storage is the global state, persis ...

prefaceWe mentioned the health examination of Nacos many times, such as< Micro service: the service is too straightforward, and Nacos hasn't responded yet. What should we do? >In the article, the health check is also customized and tuned. So, how is Nacos's health check and heartbeat mechanism realized? Can Nacos's health examination mech ...

First, post the official website address https://shiro.apache.org/spring-framework.html 1, shiro configuration class To use shiro, you must configure a shiroConfig configuration class, which requires three bean s: Realm, custom realmDefaultwebsecuritymanager needs to pass the Realm parameterShiroFilterFactoryBean, you need to pass the defaul ...

After working for many years, I found that there are many tool class libraries that can greatly simplify the amount of code and improve development efficiency, but junior developers don't know. These class libraries have long become the industry standard class libraries, and they are also used in large companies. If someone told me to use these ...

Code in Open source warehouse 3 xxxhttps://github.com/3xxx/engineercmshttps://github.com/3xxx/engineercmsThe general idea is to install es and tika services with docker, upload word and other documents in cms, parse them with tika, get plain text, and submit them to es for storage. Front end retrieval, query in ES, return the highlighted text a ...

Links to the full series of "java version gRPC actual combat"Generate code with protoService publishing and invocationServer streamClient streamBidirectional flowThe client dynamically obtains the server addressRegistration discovery based on eurekaAbout eurekaWhen we develop the client application, the required server address is set ...