Category：Architecture Design
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Time：2021-5-9
Cloud Architecture for e-Commerce Executive Overview This architecture is a vendor neutral and best practices approach to describe the flows and relationships between business capabilities and architectural components for e-Commerce applications that use cloud computing infrastructure, platforms and/or services. The elements of this architecture are used to instantiate an e-Commerce system whether using private, public […]
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Time：2021-5-8
1、 Persistent configuration of sentinel In the previous chapter, we used dashboard to set various rules for sentinel clients, but these rules are stored in memory by default, which is extremely unstable and cannot be used in the generation environment, so we need to persist them. DataSourceThe common implementation methods of extension are as follows: […]
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Time：2021-5-7
Whether it’s the HTTP interface or the RPC interface, anti duplicate submission (anti duplicate interface) is an unavoidable topic. There are differences and connections between duplicate submission and idempotent. Idempotent means that one request for a resource has the same effect as multiple requests. For example, the post method of HTTP is non idempotent. […]
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Time：2021-5-6
preface This article is included in the album:http://dwz.win/HjK, click to unlock more knowledge of data structure and algorithm. Hello, I’m brother Tong, a hard core man who climbs 26 floors every day and doesn’t forget to read the source code. Array, linked list, queue and stack are the most basic four structures in data structure. […]
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Time：2021-5-5
Access here See more about Message middleware The original article of. Yishan is Xiyun’s data migration platform, which includes heterogeneous data source migration, real-time data synchronization and other services. Those who are interested can see here:Understand how to realize the migration of heterogeneous data sources in the migration process； This paper mainly introduces the background […]
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Time：2021-5-4
This is a python learning system, mainly for adults. The interaction mode is conversational, but the dialogues inside are all built-in through scripts. User throughEnterShow the next dialogue, support voice automatic reading. Look at the architecture first! Basic support layer It provides the general function module for course learning and reuse Image display system. Standardized […]
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Time：2021-4-28
Apache dolphin scheduler is a distributed, decentralized and extensible visual DAG workflow task scheduling system. It is committed to solving the complex dependency relationship in the data processing process, so that the scheduling system can be used out of the box in the data processing process. Recently, Bo Yi contributed an analysis article on the […]
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Time：2021-4-27
#Thoughts after reading “the way of enterprise IT architecture transformation – Alibaba’s strategic thinking and architecture practice in China and Taiwan”, edited by Zhong Hua (flower name: Gu Qian), chief architect of Alibaba middleware, with 15 years of industry experience in middleware field. On the first day of entering the new company, the leader gave […]
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Time：2021-4-26
1.Model management ： Web online process designer, preview process XML, export XML, deploy process 2.Process management ： Import and export process resource file, view process diagram, reflect process model according to process instance, activate suspend、Free jump 3.Process in operation: view process information, current task node, current flow chart, void and suspend process, assign to-do […]
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Time：2021-4-24
Message queuing Basic overview MQ, message queue, based on TCP protocolSimple protocolDifferent from concretecommunication protocol。 The higher level communication model based on the definition and abstraction of communication protocol is generallyProducer and consumer modelOrServer and client models。 Producer / consumer model: generally, the producer and consumer are defined to realize message communication, so as to […]
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Time：2021-4-23
load balancing :As soon as we listen to this word, many of our friends are scared. Our predecessors like to make some words that look very tall, so that future generations can be awed by them. Let’s smooth them out. Load is the burden. Balance is the average score. In this way, it is the […]
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Time：2021-4-21
preface This article does not involve the code, just standing on the theoretical point of view to think, sort out, a clearer understanding of the message queue. What is message middleware There is no standard definition. Generally speaking, message middleware belongs to a subsystem of distributed system, which focuses on the sending and receiving of […]
