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This article briefly introduces the advanced replication function of ORACLE, and discusses how to use advanced replication to achieve data unification between the Intranet and the Internet through an actual project, finally, the configuration script is provided for your reference. 1. Basic Concepts ORACLEORACLE is a large-scale relational database based on advanced Structured Query Language (SQL ). This art
Introduction This seriesArticleIn the previous article, I gave an overview of what replication is. This article describes several common replication modes based on the organization and replication types of the Publishing Server, distribution server, and subscription server. Mode Selection The replication mode depe
So far, we have processed file-based replication (or log shipping) and simple stream-based replication settings. In both cases, after the transaction is committed on master, the data is submitted and received by slave. It will still be lost at the time that master commits and slave actually receives the data completely.In this chapter, we will study the following topics:• Ensure that no transactions are los
Similarities and differences between IBM infosphere data replication product Family replication server and change data capture One, Introduction In today's rapidly changing business age, business decisions must be made and acted upon in the first place to stay ahead of the competition. If business data is not guaranteed to be synchronized, then production and profits are bound to suffer, but it is not eas
Label:three ways to replicate MySQL Asynchronous asynchronous replication Fully synchronous full synchronous replication Semisynchronous Semi-synchronous replication Asynchronous Replication Principle: In asynchronous replication
IntroducedOne important feature of Meta compared to Kafka is the implementation of the message high availability scenario, which we call the HA scenario. The message is written to the disk immediately after it is sent to the broker and returned to the client to tell the producer that the message was sent successfully, and the control of the unflushThreshold unflushInterval two parameters can guarantee the security of the stand-alone message data, as long as the machine's disk is not permanently
PostgreSQL replication cluster overview, PostgreSQL replication Cluster For pg replication, high availability, and load balancing clusters, write an overview for future reference. Pg has the following various replication-Based Cluster solutions, most of which were used, and some were not sorted out at the time. There
The following is a look at mariadb multi-source replication (mariadb Multi-master replication) example, I hope to help you.MARIADB multi-source Replication (mariadb Multi-master replication)A multi-master replication feature was added to the mariadb-10.0.Modified syntax:For
For more information about the principle and implementation of master-slave replication, see mysql master-slave replication outline about replication-Related Issues semi-sync implementation process semi-sync summary attention to details of master-slave replication I. About replicat
--- Outline 1, what is GTID 2, application scenario 3, multi-thread replication description 4, implementation process 5, multi-source replication Principle 6, implementation process ---------------------------- 1. What is GITD from MySQL --- Outline 1, what is GTID 2, application scenario 3, multi-thread replication description 4, implementation process 5, multi-
I. Master-slave replication process of mysql: The dump process in the master node reads binary files and has the replication client and replication slave permissions on the slave server's I/O threads.Read the binary file of the master server and record it to relay-log. Read the relay-log from the SQL thread of the server according to the rules defined in my. cnf
Tags: mysql, master-slave replication, primary master replicationMySQL master-slave replication and primary master replication1. About MySQLMySQL is a relational database management system, where relational databases store data in different tables rather than putting all of the data in a large warehouse, which increases speed and increases flexibility.The SQL language used by MySQL is the most commonly used
Both replication and CDC use LogReader to read data changes from the log, and then write to the distribution library (copy) or the change table. 1> Create a replication publication individually In this case, the log Read Agent job is created at the Distributor (Servername_dbname_logreaderid) 2> uses the CDC alone In that case, two jobs ' CDC will be created on the agent of the current instance. Dbname_captu
This article describes how to configure the environment of mysql5.6.14 master-slave replication (also called mysqlAB replication). For more information, see I. Principles of mysql master (master) slave (slave) replication: (1) the master records data changes to the binary log, that is, the file specified by the configuration file log-bin (these records are calle
MARIADB multi-source Replication (mariadb Multi-master replication)Multi-master replication is added to the mariadb-10.0. Modified syntax:there is a corresponding connection_name for each replication thread, and Connection_Name is the value of the default_master_connection variable, if you want to manipulate the corre
1.MySQL High-availability backgroundsThe master-slave replication of a database is a useful feature, but it is difficult to ensure its high availability. Implements MySQL master-slave replication high-availability tools, common are: (1). MMM: Eliminated, there are some problems in consistency and high concurrency stability. (2). MHA: Some people still use, but there are some problems, but also
Preparation environment:OS Version:centos Release 6.5 (Final)Server information:master1:192.168.1.29master2:192.168.1.37slave:192.168.1.861, modify MY.CNFSlave in the my.cnf add the following parametersEnable enhanced multi-threaded slave (multithreaded replication)Slave-parallel-type=logical_clockSlave-parallel-workers=8master_info_repository=TABL relay_log_info_repository= table relay_log_recovery=ONParallel r
Label:4.4 Stream-based and file-based recoveryLife is not always black or white; sometimes there are some shades of gray. For some scenarios, stream replication may be just right. In other cases, file-based replication and PITR are what you need. However, there are also many cases where you need both stream replication and file-based
I. The master-slave replication process of mysql requires at least two mysql service nodes. The master-slave replication framework of mysql is generally a master-slave multi-slave mode, which is summarized from multiple data centers to the data center mode, the replication process can only be from the master server to the slave server. I. The master-slave
Redis Replication (Replication) This document is translated from: Http://redis.io/topics/replication. Redis supports the simple and Easy-to-use master-slave Replication (Master-slave replication) feature, which makes it an exact replica of the primary server (master server)
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