Service link tracking & service monitoring
Service Link Tracking
background
Micro-service is famous for its micro-service. In the actual development process, it involves hundreds of thousands of services. The invocation of services caused by network requests is extremely complex.
When requests are unavailable or slow down, the need to find out the fault service point in time has become ...
Added by Mindwreck on Sat, 24 Aug 2019 15:53:19 +0300
JMH tests the performance of AtomicLong and LongAdder
The difference between AtomicLong and Long Adder
AtomicLong
1. AtomicLong uses the underlying CAS operations to provide concurrency.2. In the environment of low concurrency, the probability of thread collision is relatively small, and the number of spins is not much. However, in high concurrent environment, N threads spin simultaneously, which ...
Added by Varma69 on Wed, 21 Aug 2019 14:14:55 +0300
Can Ribbon really be replaced by spring-cloud-loadbalancer?
background
Morning brush circle see Spring Cloud Hoxton.M2 Released The news was posted to my knowledge planet and a friend would come to ask the following questions.Take half a day to learn the source code of spring-cloud-loadbalancer and summarize this article
Spring Cloud Hoxton.M2 is the first version to incorporate a new loadbalancer impl ...
Added by starnol on Wed, 21 Aug 2019 05:35:18 +0300
Programming pleasure--Hanja to Pinyin
Languages vary greatly from country to country, and English is particularly popular this century<!-- more -->
Languages vary greatly from country to country, and English is particularly popular this century. Programming, at least for programmers, is foreign.Written in English.So our Chinese characters are a special case.Here is how Chin ...
Added by jjoves on Tue, 20 Aug 2019 04:09:41 +0300
jsoup simulation landing information portal of Hefei University of Technology
jsoup simulation landing information portal of Hefei University of Technology
I. login.portal file
2. userPasswordValidate.portal file
III. index.portal file
Code
Website: Login Interface of Information Portal of Hefei University of Technology
Open the F12 debugging console, after successful login ...
Added by habib009pk on Tue, 13 Aug 2019 10:51:36 +0300
11. kafka Management Client Interface
Preface
Usually, we are used to using script tools under bin directory in Kafka to manage and view Kafka, but sometimes we need to integrate some functions of management and view into the system (such as Kafka Manager), so we need to call some API s to operate Kafka directly. Before Kafka version 0.11 ...
Added by rnewman on Tue, 13 Aug 2019 10:32:55 +0300
Spring Cloud Learning Tutorial: One Hour a Day - So easy
Next, in the last section, this article focuses on solving another component of Spring Cloud, ribbon, to implement Loading Balance on the client side. There are two main ways for ribbon to implement LB: ribbon restTemplate and feign.
One: ribbon restTemplate
1: The service registry Eureka has been built ...
Added by cage on Sat, 10 Aug 2019 09:35:42 +0300
maven installation, configuration in eclipse
Installation and configuration
1.1 Download Installation Package on Official Website
1.1. Download and Install Package on Official Website
1.2. Configuring environment variables
1.3. Local Warehousing Configuration
1.4. Central Warehouse Configuration
2. Using maven in eclipse
2.1 eclipse configura ...
Added by excl209 on Mon, 05 Aug 2019 09:06:31 +0300
[Java] simple understanding of gradle
Introduction (Baidu Encyclopedia)
Definition: Gradle is an open source tool for project automation building based on Apache Ant and Apache Maven concepts. It uses a Groovy-based Domain Specific Language (DSL) to declare project settings. At present, it also adds kotlin-based DSL based on Kotlin language, which abandons various tedious configura ...
Added by unreal128 on Sun, 04 Aug 2019 13:22:37 +0300
MyBatis - MyBatis realizes adding, deleting, modifying and checking
MyBatis - MyBatis realizes adding, deleting, modifying and checking
1. Create a database2. Create the following structure for the Maven project, remember to mark the java and resources directories as resource directories3. Guide, configure pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<proje ...
Added by lampquest on Sun, 04 Aug 2019 11:21:18 +0300