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Introduction to spring cloud eureka As a registry, eureka plays an important role in microservices. At present, eureka and zookeeper are the mainstream registries. eureka is AP, zookeeper is CP. (CAP theory) Architecture diagram As can be seen from the architecture diagram, eureka adopts cs archite ...

Combined with the previous post: Introduction to Time and Window in Flink , we learned that Flink's streaming process involves three time concepts. They are Event Time, induction time and Processing Time. If you still don't understand these three concepts of time, it's suggested that you jump to the pre ...

Build our Spark platform from scratch 1. Preparing the centeros environment In order to build a real cluster environment and achieve a highly available architecture, we should prepare at least three virtual machines as cluster nodes. So I bought three Alibaba cloud servers as our cluster nodes. ...

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 ...

Catalog 1, RequestProcessor 2, PrepRequestProcessor 3, SyncRequestProcessor 4, FinalRequestProcessor 1, RequestProcessor The request processors are linked together to process transactions. Requests are always processed in order. Independent servers and master-slave servers link together slight ...

1. Preface 19 years passed pretty fast. As the first one of 20 years, I want to make a simple summary here for the previous year: seriously, 19 years passed pretty miserable. Yes, the conclusion is this sentence. After all, the sense of ceremony must still exist. Well, let's not talk about it. I hope it's better after 20 years. Save more money ...

Step 1: Cluster Planning Step 2: set hosts Step3: turn off the firewall Step 4: turn off Selinux Step5: Keyless login Step 6: install jdk #decompression tar -xvf jdk-8u131-linux-x64.tar.gz mv jdk1.8.0_131 /usr/local/jdk1.8 #Setting environment variables vim /etc/profile JAVA_HOME=/usr/local/jdk1.8/ JAVA_BIN=/usr/local/ ...

Foreword: Recent project of combining kafka and zookeeper containerization with rancher, I consulted related websites and books and found that there are many reasons why I chose to customize it if it is relatively strong to standardize the company. Let me briefly talk about the reasons why I chose to customize it finally: (Because k8s+kakfa te ...

order This paper mainly studies the leader elector of storm nimbus Nimbus org/apache/storm/daemon/nimbus/Nimbus.java public static void main(String[] args) throws Exception { Utils.setupDefaultUncaughtExceptionHandler(); launch(new StandaloneINimbus()); } public static Nimbus launch(INimbus inimbus) throws Exception ...

1. Download Kafka? 2.12-2.0.0.tgz and upload it to / usr/local/kafka / Extract and remove the installation package 2. configuration Modify the config/server.properties of each server cd /usr/local/kafka/kafka_2.12-2.0.0/config vim server.properties Modify several places:broker.id : unique, fill in the number, 10,11,12,13,1 ...