vertica database architecture

Label:In the previous article, "MySQL database Transaction and Replication" analyzes how to ensure the consistency between binlog and transactional data during MySQL replication, this paper further analyzes the need to consider what aspects are needed to ensure the data consistency of master and slave after the introduction from the library.Native Replication Schema The native copy architecture of MySQL wor

US reviews the evolution and assumption of the high availability architecture of the databaseJinlong · 2017-06-29 20:11 This article describes the evolution of the high-availability architecture of the MySQL database in recent years, as well as some of the innovations we have made on the basis of open source technology. It also makes a comprehensive comparison w

: Cobar and other middleware +mysql technology picture slightly. also, share some of the main MySQL high-availability architectures 1. mysql Dual master + keepalived automatic switching scheme (above) 2, MySQL master-slave + keepalived master-slave automatic switching scheme (above already) 3, Mmm+mysql dual Master + multi from high-availability program (above already) 4, MySQL + pecemaker (Heartbeat) + DRBD High Availability 5, MySQL + RHCS high-availability program 6. MySQL + cluser cluster

cluster system. The data is stored in the storage engine of the NDB storage server, and the table (structure) is saved in the MySQL server. The application accesses these data tables through the MySQL server, and the cluster Management Server manages the NDB storage server through the Administrative Tools (NDB_MGMD). third, database optimization1. Optimizing SQL statementsTurn on slow queries, discover problematic SQL statements through the slow quer

Recently saw a lot of the evolution of the company structure of the article, found that the basic ideas and architectural evolution are very similar, here also summarizes the evolution of the database architecture and the ideas behind the evolution.Single hostThe beginning of the site is generally by the typical lamp architecture evolved, is generally a Linux hos

Data layer (DAL), Business Logic Layer (BLL), Presentation layer (UI)three-layer structure principle:In 3 levels, the main functions and business logic of the system are processed in the business logic layer.The so-called three-tier architecture is the addition of a "middle tier", also called a component layer, between the client and the database. Here the three-layer system, not refers to the physical thre

The database high-availability architecture is a strange field for those of us who develop applications. It is an environment built on a specific database product, you need to have enough knowledge of database products like DBA to get involved. Although you cannot go deep into it, you can learn the ideas through some c

In Web application system, database performance is one of the main causes of system performance bottleneck. Especially in large-scale systems, database clustering has become one of the necessary configurations. The main benefits of clustering are: query load, database copy backup, and so on.The MySQL database supports

Oracle Database Architecture Analysis Shows the Oracle database architecture, We can see that the Oracle database server is roughly divided into two main parts: 1. Oracle instance (upper part of the database instance) 2.

In order to expand the scalability of the application system, we often need to scale out the database. The scale out design increases the overall processing capability of the system by adding database processing nodes, that is, increase the number of database servers to share the pressure. In this way, the scalability of the system is enhanced, and the cost is re

In order to expand the scalability of the application system, we often need to scale out the database. The scale out design increases the overall processing capability of the system by adding database processing nodes, that is, increase the number of database servers to share the pressure. In this way, the scalability of the system is enhanced, and the cost is re

data directory depends on the configuration, operating system, installation package, and distribution. The typical location is/var/lib/mysql. MySQL stores the system database (MySQL) on disk. MySQL contains information such as users, privileges, plug-ins, help lists, events, time zone implementations, and storage routines.2.2.7 MySQL Architecture summarySQL optimize the relevant concepts Parser: A way to e

Label:Database Master-Slave read-write separation architecture based on EntityFramework go back to the directory, complete the code, and see the directory in (https://github.com/cjw0511/NDF.Infrastructure): Src\ NDF. Data.entityframework\masterslaves Database Master-slave read/write separation architecture based on entityframework-Requirements/Functions Overview

Label:In the previous article, "MySQL database Transaction and Replication" analyzes how to ensure the consistency between binlog and transactional data during MySQL replication, this paper further analyzes the need to consider what aspects are needed to ensure the data consistency of master and slave after the introduction from the library.Native Replication Schema The native copy architecture of MySQL wor

Introduced The traditional relational database is suitable for the vertical scaling (scale-up) architecture. In other words, to handle more load, you need to switch to a more powerful computer. A few years ago, this meant that in order to support a horizontal scaling (scale-out) architecture, you had to give up SQL, or use zoning, active-passive replication and

the master database, saving master server resources and facilitating recovery. Disadvantage: the cost increases. Phase 8: Cluster(Double) +Dual storage + backup + replication +Dual-distribution + SSBAsynchronous solution: The main advantage of this method is to asynchronously process data streams to relieve the pressure of instantaneous high traffic on the master database. This solution is

Tags: task queue info. com back-end blank order service layer Alt middleThis article mainly discusses a few questions: (1) When the data in the database and the cache is inconsistent (2) Inconsistent optimization ideas (3) How to ensure the consistency of database and cache first, the origin of demand The previous article, "Details of the design of the cache architectu