1. Node type
two. Stat structure
1) czxid-the transaction zxid that created the node
Every time you modify the ZooKeeper status, you will receive a timestamp in the form of zxid,
Author: Simo
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1. When the console displays an error message: Bad credentials, there is a problem with the password. Check the password and verify it.
2. When the form form submits data, the default formdat
CentOS6.7 installation deployment Nginx (detailed primary configuration file)
keepalived + nginx : Realize high availability
nginx:
web server
reverse proxy, also supports caching(Cached on disk)
Support FastCGI
tengine: Taobao official corrects
Centos 7 JumpServer installation and configuration
Environment System # cat / etc/redhat-release CentOS Linux release 7.4.1708 (Core) # uname -r 3.10.0-693.21.1.el7.x86_64 Turn off Selinux and firewall # systemctl stop firewalld.service # sed –
Common annotations for Spring
The Spring framework mainly includes IoC and AOP, both of which can be configured using annotations.
Development environment: IntelliJ IDEA 2019.2.2
Spring Boot version: 2.1.8
Create a new Sp
Spring overview
IOC Brief Description IOC (DI): Actually, the core concept of the Spring architecture does not It’s so complicated, and it’s not as obscure as described in some books. Java programmers know that: e
ZooKeeper distributed topic and Dubbo micro-service entry video tutorial
Course catalog:
< span style="color:#ffa500">Chapter 1 Introduction to Distributed System Concept and ZooKeeper
Introduction to the distributed system and ZooKeeper, so that everyone has a general
Springboot Frame SHEDLOCK + WebSocket feature conflict solution
Background description:
The first encounter in project development When the server is deployed in cluster mode, the timing tasks of multiple nodes will be executed at each node. For this single pro
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Transfer: https://blog.csdn.net/zl1zl2zl3/article/details/83716564
1, Devtools global settings properties on your home directory (~/.spring -boot-devtools.properties when devtools is active).
ZooKeeper (2) – Installation and Configuration
1. Download
https://zookeeper.apache.org/
2. Local mode installation
1. Preparation before installation
(1) Install Jdk
(2) Copy Zookeeper installation package to Linu