In the previous article, we learned how to integrate SpringBootAdmin for monitoring and other operations by using Consul registration discovery in microservices. In this article, we learn how to integrate SpringBootAdmin in Zookeeper registry.
Introduction to Zookeeper
ZooKeeper is a software project of Apache Software Foundation. It provides ...
Last time we talked about Dubbo's service exposure, this time we'll look at how Dubbo calls services
This article will be interpreted based on the architecture diagram of dubbo
Client Start Process
Dubbo Service Call
Client Start Process
As we all know, when a client invokes a service, only the interface has no corresponding ...
Posted by cottonbuds2005 on Sun, 06 Mar 2022 18:22:41 +0100
1.Zookeeper learning notes
Zookeeper is an open source distributed Apache project that provides coordination services for distributed frameworks.
Zookeeper's working mechanism:
From the perspective of design pattern: it is a distributed service management framework designed based on observer pattern. It is responsible for stori ...
1, Node JS file system
Node.js provides a set of file manipulation API s similar to the UNIX (POSIX) standard. Node import file system module (fs) syntax is as follows:
2, Asynchronous and synchronous
Node. The methods in the JS file system (fs module) module have asynchronous and synchronous versions. For example, the functions that ...
Posted by jay1318 on Sat, 05 Mar 2022 16:10:31 +0100
What is EFAK
EFAK (Eagle For Apache Kafka, formerly known as Kafka Eagle) EFAK is an open source visualization and management software. kafka cluster can be queried, visualized and monitored. It is a tool to convert kafka cluster data into graphic visualization.
Apache Kafka does not officially provide monitoring systems o ...
Posted by lamia on Sun, 27 Feb 2022 17:03:38 +0100
Distributed locks are usually implemented in the following ways:
database Cache (e.g. Redis) Zookeeper etcd
In actual development, Redis and Zookeeper are mostly used, so this article only talks about these two.
Before discussing this issue, let's take a look at a business scenario:
System A is an e-commerce system. At present, it is ...
Posted by itisme on Sun, 27 Feb 2022 00:51:50 +0100
Apache Kafka is an open source stream processing platform managed by Apache and written by Scala and Java. It provides unified, high throughput and low latency features for processing real-time data.
Its persistence layer is essentially a "large-scale publish / subscribe message queue according to the distributed transaction log architect ...
Posted by TreColl on Wed, 23 Feb 2022 11:26:42 +0100
Original link: https://blog.csdn.net/weixin_40533111/article/details/84451219 Author April day may rain ^ ^ ^, Please indicate the source for reprint, thank you
This article is based on the latest edition rocketmq 4.3.2 Construction: 2 nodes. Node a deploys A-m and B-S, and node B deploys A-s and B-m The functional prin ...
Posted by tmbrown on Wed, 23 Feb 2022 11:18:04 +0100
I Source code warehouse:zookeeperBased on branch 3.4.14, the startup process of branch in windows system is analyzed.II Process analysis:Source code entryThrough zkserver From the contents of CMD executable file, we can see that the server of zookeeper is through org apache. zookeeper. server. quorum. The main of quorumpeermain class is used as ...
Posted by davemwohio on Sun, 20 Feb 2022 20:12:46 +0100
ZooKeeper stand-alone installation
The installation directory takes / opt/share/zk as an example
Create a new directory / opt/share/zk. The command is as follows: mkdir -p /opt/share/zk
Enter / opt/share/zk directory and upload jdk-8u301-linux-x64 tar. GZ file Unzip jdk-8u301-linux-x64.0 tar. GZ file, the command is as follows: tar -zxvf ...
Posted by fleymingmasc on Sat, 12 Feb 2022 07:50:46 +0100