[transfer] Dubbo declarative cache

Cache is widely used in order to improve the speed of data access. Dubbo is no exception. It provides declarative caching to reduce the user's workload of caching. 1, Caching policy in Dubbo lru deletes redundant cache based on the principle of least recent use, and keeps the hottest data cached. threadlocal current thread cache, such as a pag ...

Posted on Mon, 30 Mar 2020 22:12:31 -0700 by whatsthis

Distributed deployment of clickhouse in Docker

Startup service docker run --add-host=ck2:172.17.0.3 --add-host=ck3:172.17.0.4 -d --name ck1 -h ck1 --ip 172.17.0.2 --ulimit nofile=262144:262144 -p 8124:8123 -p 9001:9000 yandex/clickhouse-server docker run --add-host=ck1:172.17.0.2 --add-host=ck3:172.17.0.4 -d --name ck2 -h ck2 --ip 172.17.0.3 --ulimit nofile=262144:262144 -p 8125:8123 -p 900 ...

Posted on Mon, 30 Mar 2020 09:34:52 -0700 by The Wise One

8. Chapter 8 of spring cloud, upgrade, service registration and discovery Eureka, Zookeeper and Consule

Chapter 7 of spring cloud, upgrade, service registration and discovery Eureka, Zookeeper and Consule 1, Basic concepts 1. Service governance In the traditional remote RPC remote call framework, it is very complex to manage the dependency between each service and service. So we need to use service governance to manage services and services ...

Posted on Fri, 27 Mar 2020 07:01:01 -0700 by threaders

Zookeeper Getting Started

Zookeeper is a middleware that provides a consistent and coordinated service for distributed applications. It mainly solves some consistency problems frequently encountered in distributed applications, such as unified naming service, state synchronization service, cluster management, management of distributed application configuration items, et ...

Posted on Thu, 26 Mar 2020 19:42:20 -0700 by kaumilpatel

Learning notes: simple source code analysis of zookeeper client

Version 3.4.13 The analysis of the interaction between the client and the server of zookeeper needs to be done from two aspects: the client and the server; Client: it can be seen from the startup command in zkCli.cmd file that the access is: zookeeper main public static void main(String args[]) thro ...

Posted on Mon, 16 Mar 2020 23:30:31 -0700 by bsarika

How to register dubbo with zookeeper

Dubbo's Provider and Consumer will create a registration center when they start. The registration center can choose zookeeper and Redis. Zookeeper is commonly used In Dubbo, zkclient is used to operate the zookeeper server by default. It encapsulates the original customer list of zookeeper to a certain extent. When operating zookeeper, it is m ...

Posted on Mon, 16 Mar 2020 03:35:59 -0700 by Tezread

5 minutes to experience a Kafka

Guide promised you the second original article of Kafka series. In order to ensure that the content is updated in real time, I also sent related articles to Gihub! address : https://github.com/Snailclimb/springboot-kafka Related reading: Introductory chapter! Great vernacular takes you to Kafka! Precondition: your computer has Docker installed ...

Posted on Thu, 27 Feb 2020 22:35:49 -0800 by carlosx2

SpringCloud Learning - Eureka Cluster Setup

Building Eureka Cluster The last time you mentioned using the Eureka registry for service providers registration and discovery in SpringCloud applications, it is also a "micro service" with limited usage space for a single application, so like zookeeper, it also needs to build a cluster (Cluster). The principle of building an Eureka c ...

Posted on Wed, 26 Feb 2020 10:49:49 -0800 by nomadrw

Zookeeper-01-common commands and creating nodes

Use the client of ZooKeeper to connect to the ZooKeeper cluster to view the node status in the current cluster: ./zkCli.sh -server 127.0.0.1:2181 Execute the following command to query the Znode node under the current root node: ls / It can be found that the current node zookeeper cluster currently has only "/ zookeeper" one Zno ...

Posted on Tue, 18 Feb 2020 04:29:22 -0800 by hoyo

Sringcloud 2.0 learning - 7-spring cloud integrates zookeeper as registry + ribbon load balancing

Use Zookeeper as a registry 1. Start the zookeeper server Zookeeper is a distributed coordination tool, which can realize service registration and discovery, registration center, message middleware, distributed configuration center, etc.           &e ...

Posted on Sun, 16 Feb 2020 23:47:45 -0800 by Gokul