Programmer Group

1. Introduction of Invoker in Dubbo Why is Invoker the core model of Dubbo? Invoker is an entity domain in Dubbo, that is, it really exists.Other models approach it or convert it, and it also represents an executable from which invoke calls can be made.At the service provider, Invoker is used to invoke the service provider class.On the service ...

1. Preface Earlier, we talked about how services are exported to the registry.In fact, one thing Dubbo does is publish the URL of the service to the registry.Now let's talk about how the consumer subscribes to the service from the registry and makes remote calls. 2. Reference Service Time Series Diagram First, generally speaking the general int ...

From Here https://www.jianshu.com/p/1ef5cd97ba2b   What is Zipkin Zipkin is an open source distributed real-time data tracking system, designed based on a paper by Google Dapper and developed by Twitter.Its main function is to aggregate real-time monitoring data from heterogeneous systems.Distri ...

1. Download Dubbo source code at https://github.com/alibaba/dubbo     2. Unzip the zip file to the directory "D: \ technical data \ zookeeper \ Dubbo master \ Dubbo master"   Manual packaging. Here you only need to package the war package of Dubbo admin. So go to the Dubbo admin directory and use maven to pac ...

Jmeter test Dubbo interface Preface dubbo Jmeter TestNG Spring This article introduces two ways to use jmeter to test dubbo interface Call through the way of jmeter secondary development (jar) (recommended, with requirements for coding ability) Call through JMeter plugins Dubbo Call through ...

Catalog Principle overview Why design the @Adaptive annotation Where, when and how dubbo source is used Source Code Analysis for @Adaptive Extension Loading Process summary Principle overview First, look at the description of adaptive scaling on the following website: In Dubbo, many extensions are l ...

1. client building​ package com.pz998.app.service.utils; import static org.elasticsearch.common.settings.Settings.settingsBuilder; import java.net.InetSocketAddress; import org.elasticsearch.client.Client; import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.c ...

background Another inaccessible event Analysis First of all, refer to this kind of questions Troubleshooting: foreign consumer XXX access service YYY from registry zzz use Dubbo version 2.5.3, please check register access list (whitelist / blacklist) It's not the same thing to find out~ It can be seen from the error reporting above that ...

background In one day, two partners asked me about the on-demand loading mechanism of filter. It's necessary to record it here About filter The predecessor of filter in dubbo source code series Today's filter of dubbo source code series Analysis The following attributes exist in the comment about Activate in dubbo @Documented @Retentio ...

Through the detailed explanation of the previous article, we know that the Dubbo service consumer label dubbo:reference will eventually create a corresponding ReferenceBean instance in the Spring container, and ReferenceBean implements the Spring life cycle interface: InitializingBean. Next, we should look at the implementation of its afterprop ...