Tag：Distributed
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Time：2021-10-27
（1） What is redis cluster? Redis cluster is redis’s distributed solution. It was officially launched in redis version 3.0, which effectively solves redis’s distributed requirements. In case of single machine memory, concurrency, traffic and other bottlenecks, cluster architecture can be used to achieve the purpose of load balancing. Bottlenecks encountered in redis usage In our […]
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Time：2021-10-27
Analytical database (analytical datbase tdsql-a, tdsql-a) is a distributed analytical database system independently developed by Tencent, which provides you with efficient massive data storage and online analysis and processing capabilities. It provides PostgreSQL version and Clickhouse version, with a total of two engine options. It adopts a non shared cluster architecture, supports row column hybrid […]
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Time：2021-10-27
V0.2.1 was released on 1.26, adding support for async STD and Tokio libraries. 0.2.2 was released on 3.1. Most of the problems in this version are found during the migration of trust IPFs. At present, the migration has been completed. The project address is https://github.com/netwarps/r… , the main update is to upgrade and optimize the […]
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Time：2021-10-27
Affected by economic policies, even where bitcoin mining machines are concentrated, a large number of mines are closed. According to statistics, the shutdown time of the unit is about 8 million KW. Followed by the economic development of Inner Mongolia and Xinjiang, Sichuan, the main business body of hydropower enterprises dominated by cleaner production and […]
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Time：2021-10-26
What is the hottest thing in the coin circle this year? Familiar people know that IPFs / fil is the most popular. Some time ago, Chia Chia and BZZ suddenly burst into flames, but after Chia was “named”, they fell down. From the first two-day return cycle to the current two-year or even longer return […]
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Time：2021-10-25
What is TCC? TCC is the abbreviation of try, confirm and cancel. It was first proposed by a paper entitled life beyond distributed transactions: an apostate’s opinion published by Pat helland in 2007. TCC composition TCC is divided into three stages Try phase: try to execute, complete all business checks (consistency), and reserve necessary business […]
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Time：2021-10-25
Graphical distributed consistency protocol Paxos This article is reproduced fromGraphical distributed consistency protocol Paxos Paxos protocol / algorithm is an important protocol in distributed system. How important is it? < transaction processing of distributed system >： Mike burrows, author of Google chubby, said that there is only one consistency algorithm in the world, that is […]
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Time：2021-10-25
1、 Transaction classification Transaction is a program execution unit that accesses and updates various data items in the database. Transaction will convert the database from one consistent state to another consistent state. This is the purpose of transaction and one of the important characteristics that distinguish the transaction model from the file system. Transactions in […]
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Time：2021-10-22
1、 Background introduction In the early stage of system development, it is easy for developers on different business lines to give priority to familiar ones in model selection due to the influence of technology stack and version time, such as Kafka, rocket, rabbit, etc. commonly used in MQ middleware, so it is easy to ignore […]
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Time：2021-10-22
In the series sharing of “domestic database hard core technology salon tdsql-a technology disclosure”, five Tencent cloud technology masters gave an in-depth interpretation of tdsql-a from the aspects of overall technical architecture, column storage and related execution optimization, cluster data interactive bus, distributed execution framework and vector execution engine. In the last issue of this […]
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Time：2021-10-22
Create an overlay driven network docker network create -d overlay wordpress [[email protected] ~]$ docker network ls NETWORK ID NAME DRIVER SCOPE q3rp3i79eud7 wordpress overlay swarm Create MySQL container docker service create –name mysql –env MYSQL_ROOT_PASSWORD=root –env MYSQL_DATABASE=wordpress –network wordpress –mount type=volume,source=mysql-data,destination=/var/lib/mysql mysql Create WordPress docker service create –name wordpress -p 80:80 –env WORDPRESS_DB_PASSWORD=root –env WORDPRESS_DB_HOST=mysql […]
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Time：2021-10-21
With the large-scale application of microservices, there are more and more distributed transactions across microservices. What is the performance of distributed transactions? How much performance will be reduced? Can it meet business needs? These indicators are very concerned about whether distributed transactions can be successfully introduced into production applications. This paper attempts to deeply analyze […]
