Tuesday, August 14, 2018 in Articles
As we all know，Dubbo adopts a single large join protocol by default and takes the NIO asynchronous communication mechanism of Netty as the low-level implementation. Based on this mechanism, Dubbo implements several invocation modes as follows: …
Tuesday, August 14, 2018 in Articles
Dubbo Consumer Configuration Consumer Configuration Detailed There are 3 ways to configure the Dubbo Consumer: XML configuration, API call mode configuration, and annotation mode configuration. XML Configuration Example of the simplest configuration: …
Friday, August 10, 2018 in Articles
Background Dubbo is a distributed service framework that avoids single point of failure and horizontal expansion of support services. A service typically deploys multiple instances. How to select a call from a cluster of multiple service providers …
Tuesday, August 07, 2018 in Articles
Java RMI Introduction Java RMI (Remote Method Invocation) is a mechanism that allows users to access or invocate an object and a method running on another JVM (Java Virtual Machine). RMI is an implementation of RPC (Remote Procedure Call) in java …
Tuesday, August 07, 2018 in Articles
Introduction of Zookeeper The basic concept In the mordern distrbuted applications, there are multiple coordination problems between nodes and nodes, including: leader election, group service, locking, configuration management, naming and …
Tuesday, August 07, 2018 in Articles
With the widely promotion and implementation of Microservices Architecture, the Microservices Architecture represented by Spring Boot and Spring Cloud, in Java ecosystem, introduced some brand new programming model, like: Annotation-Driven External …
Monday, July 30, 2018 in Articles
The third Dubbo meetup has successfully been held in Shenzhen, over 2000 people submitted registration, and over 700 were present, more than 17,000 watched the live online. Please enjoy the slides of the topics: Zhixuan Chen: …
Friday, July 27, 2018 in Articles
In large clusters there may be thousands of Dubbo service instances in production, with continuous traffic coming in. However, in distributed systems, some services may be unavailable due to various of failure such as traffic surge, high system load, …
Thursday, July 12, 2018 in Articles
After using Dubbo to serve or integrate applications, assuming that a service backstage log shows an exception and that the service is invoked by multiple applications, it is often difficult to determine which application is called, and what is the …
Sunday, July 01, 2018 in Articles
Overview In overall design of Dubbo, Filter is a very important concept, most of Dubbo’s functions are based on this extension point, and the Filter interception will be executed during each call. Extension Mechanism of Dubbo Filter There are …