Principle analysis of seata distributed transaction
principle seata involves the interaction between the three roles. This paper combs the basic interaction process in AT mode through the flow chart to lay the foundation for our future analysis. Suppose there are three micro services, namely, services A, B, C, where the service A calls the serviUTF-8...
Posted by wenquxing on Fri, 14 May 2021 03:54:19 +0930
@ceph Distributed Storage
Distributed storage ceph 1. Introduction to ceph 1.1, What is ceph ceph A unified, distributed storage system designed to provide better performance, reliability, and scalability. "Unified":That means we can just rely on ceph This storage system provides object storage, block storage and file UTF-8...
Posted by PHPBewildered on Fri, 14 May 2021 05:59:49 +0930
Fault tolerance mechanism of parallel distributed framework cell
Fault tolerance mechanism of parallel distributed framework cell 0x00 summary Cell is a simple, flexible and reliable distributed system that processes a large number of messages. It focuses on asynchronous task queue for real-time processing and supports task scheduling. This paper introduces UTF-8...
Posted by sandeepjayan on Tue, 18 May 2021 04:05:50 +0930
High performance architecture design of Netty
Netty overview Problems of native NIO 1.NIO's class library and API are complicated and inconvenient to use: you need to master Selector, ServerSocketChannel, SocketChannel, ByteBuffer, etc. 2. Need to have other additional skills: to be familiar with Java multithreading programming, because NUTF-8...
Posted by lottos on Wed, 26 May 2021 04:20:12 +0930
Spring cloud [3] - service invocation (Ribbon, OpenFeign)
1, Ribbon load balancing call 🔺 summary (1) What is it (2) Official website information https://github.com/Netflix/ribbon/wiki/Getting-Started At present, Ribbon is also in maintenance mode. The future replacement plan is as follows (3) What can I do LB (load balancing) Centralized LB In procUTF-8...
Posted by pvtpyro on Mon, 07 Jun 2021 05:59:19 +0930
RabbitMQ -- Message Middleware
1, What is middleware? Middleware is the software between operating system and application program. Middleware is an independent system software or service program, with which distributed application software can share resources among different technologies. There are many middleware products, UTF-8...
Posted by textbox on Wed, 09 Jun 2021 04:50:18 +0930
Dubbo Source Learning Service Registration and Consumption Process
Source download and compilation The steps for downloading, compiling, and importing the source code are as follows: The Dubbo project's address in GitHub is:https://github.com/apache/dubbo Go to the tag directory and choose the version you want to download. This time I chose 2.7.8-release UnzipUTF-8...
Posted by Wuhtzu on Thu, 17 Jun 2021 03:49:24 +0930
Dubbo source code learning extension SPI principle
Analysis of Dubbo extended SPI source code The most important class of SPI function is ExtensionLoader, which is the entry of SPI in all Dubbo. The most important of them is org.apache.dubbo.common.extension.ExtensionLoader.getExtensionLoader and org.apache.dubbo.common.extension.ExtensionLoadeUTF-8...
Posted by hcdarkmage on Fri, 18 Jun 2021 05:10:49 +0930
Fuse architecture design series
What is it? Many people ask: what is the circuit breaker mechanism? Encyclopedia explains: Circuit Breaker, also known as the automatic stop mechanism, refers to when the stock market indexamplitude When the specified fusing point is reached, exchange Suspension of trading to control risk. VernUTF-8...
Posted by koopkoop on Sat, 19 Jun 2021 04:39:18 +0930
A distributed asynchronous task processing framework for Celery
1. Introduction to celery Cell is a Python based distributed asynchronous task queue with its own battery, which determines the existence of multiple worker s. The queue indicates that it is an asynchronous operation, that is, there is a foreman who generates tasks and proposes requirements, anUTF-8...
Posted by CoffeeOD on Sun, 20 Jun 2021 06:24:54 +0930