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Category: Architecture

Architectural design is the product of people’s subjective mapping of elements within a structure and the relationships between elements. Architecture design is a series of related abstract patterns used to guide the design of various aspects of large software systems. The architect’s job responsibility is to transform the customer’s needs into a standardized development plan and text during the development of a software project, and to formulate the overall structure of the project, and guide the entire development team to complete the plan. Architecture design is the early stage of the software design process, which connects the requirements analysis and the design process. The main task of an architect is not to write specific software programs, but to engage in higher-level development and architecture work. He must have a good understanding of development technology, and he needs to have good organizational and management skills.

JEDIS connection cluster

Take the maven project as an example:
1. Configure pom. xml:

redis.clients
jedis
3.0.1
jar
compile

2. Main category: p> public class RedisCluster {
public static void main(String[

October 1, 2021By Simo Load Balance cluster, connection, JedisLeave a Comment

HeartBeat + DRBD + MySQL high available architecture deployment

This article was earned from http://shanhu.blog.51cto.com/1293405/1212605

Heartbeat introduction

Official site: http://linux-ha.org/wiki/Main_Page

DRBD introduction

Official

October 1, 2021By Simo Monitoring architecture, available, deployment, drbd, Heartbeat, Heartbeat + DRBD + mysql, high, mysqlLeave a Comment

SpringCloud System Introduction

SpringCloud system introduction Spring Cloud Netflix Netflix Eureka: Service Governance Component, including service registration and discovery Netflix Ribbon: service call component for client lo

October 1, 2021By Simo Load Balance presentation, SpringCloud, systemLeave a Comment

Operation SLA level and hair relationship? !

▼

What is operation and maintenance? !

↓↓↓ p> The boss asks the operation and maintenance manager:

“How do I feel that your department does not play a big role in the operation of

October 1, 2021By Simo Micro ServicesLeave a Comment

Algorithm – What does the load factor of 0.75?

I see that the hash is implemented with a load factor of 0.75. What does this mean? This means that once the collection has enough elements to hold 3/4 of the capacity, the capacity will double.

October 1, 2021By Simo Load Balance 0.75, Algorithm, coefficient, load, meaning, whatLeave a Comment

Use the log4j record problem in the Flink cluster?

I have a program in which Log4j is used to record some information. When I test in IDE/Intellij, the log file can be generated successfully. And when I submit this task to flink independent cluster

October 1, 2021By Simo Load Balance cluster, Flink, log, Log4j, Medium, problem, Record, UsedLeave a Comment

SWARM container cluster management (introduction)

1. Introduction to Swarm

Swarm is a self-developed container cluster management system developed by Docker. Swarm existed as an independent service in the early days, in the Docker Engine Swa

October 1, 2021By Simo Load Balance cluster, container, Introduction, management, SwarmLeave a Comment

WCF provides incorrect URL in WSDL behind the load balancer

I installed wcf on the web server cluster behind the load balancer.

The pubblic address is: http://externaldomain/mywcf.svc, It is the only endpoint that users should visit.

So, when I

October 1, 2021By Simo Load Balance URL, WSDLLeave a Comment

Erlan distribution random number

One, function Generate Erlang distribution of random numbers.

The probability density function of the Erlang distribution is
\[ f( x)=\left\{\begin{matrix} \frac{\beta ^{-m}x^{m-1}}{(m-1)!}e

October 1, 2021By Simo Micro Services Distribution, Egy, Lang, randomLeave a Comment

Protocol-Buffers – Best Practice for Determining Protocol Buffer Message Types

I need to serialize and deserialize a series of protocol buffer messages in the byte stream. There are some predetermined message types. What is the recommended way to encode type information so th

October 1, 2021By Simo Micro Services Agreement, best, Buffer, Buffers, Message, ok, practical, protocol, typeLeave a Comment

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