netapp replication

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

The original meaning of replication's English word is "copy", the replication file is the last file of my analysis in the data directory, enough to explain his importance, the code quantity 1800 +, indeed very difficult to chew. Can only say that I look at the code down the general impression of it, I want to draw a structural map to the various APIs in this diagram, which I can not really do at present. When it comes to master-slave

; "title=" screenshot from 2017-09-29 15-50-00.png "alt=" Wkiol1nq-hgzygzzaaafvhvrkxc631.png "/>650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M02/A6/83/wKioL1nQ-HGCrkIhAACVQKChPSY467.png "style=" float : none; "title=" screenshot from 2017-09-29 15-50-04.png "alt=" Wkiol1nq-hgcrkihaacvqkchpsy467.png "/>Group-based replication (group-based Replication) is a technology that is used in fault-tolerant

1. IntroductionAs one of the most widely used databases in the world, MySQL is one of the reasons why it is free. But what is not to be overlooked is that its own function is indeed very powerful. With the development of technology, in the actual production environment, the single MySQL database server can not meet the actual demand. At this point the database cluster is a good solution to this problem. With MySQL distributed cluster, you can build a high-concurrency, load-balanced cluster Serve

Practice Process: Install 3 MySQL (S1,S2,S3) on a single server Configure S1, start Group Replication Configure S2, add to Group Configure S3, add to Group Test The content is long, may not be convenient to actually operate, I also made a PDF version , you can download view, send Message 'gr' will automatically replyDetailed configuration procedures (1) Download mysql-5.7.17https://cdn.mysql.com//Downloads/MySQL-5.7/mysql

The replication latency caused by the mutual blocking of MySQL 5.7 concurrent replication and mysqldump. The MySQL BINLOG and show processlist commands were originally two transactions that could not be reached by the client. However, in the recent troubleshooting, it was found that there was a serious replication delay between the master database and slave datab

This article mainly provides you with a deep understanding of the copy module (shortest copy and deep copy) in python and has some reference value, if you are interested, refer to the introduction of the copy module in python. The copy module includes the function of creating a complex object (including lists, tuples, dictionaries, and user-defined object instances. ######## Copy (x) ######## Create a new composite object and reference the Copy x member to create a copy of x. In a deeper sense,

Label:PostgreSQL replication Series translated from PostgreSQL replication book In this chapter, you'll look at different replication concepts, and you'll see which types of replication are most appropriate for which practical scenarios. At the end of this chapter, you will be able to determine whether a concept is fea

MySQL replication, mysql master-slave Replication Replication refers to the upload of DDL and DML operations in the primary database to the replication server (also called slave server) through binary logs, and then re-Execute (also called redo) these logs on the server ), in this way, the data in the database of the s

MySQL Semi-synchronous Replication (Semi-synchronous Replication) in enterprise applications, MySQL often uses a master-slave architecture or a master-master architecture to achieve load balancing of MySQL servers, improves the performance of the MySQL server. the key is that MySQL Data Synchronization and replication can be implemented to provide a convenient me

If you have previously thought that replication slave is a necessary permission for replication, then you are mistaken, and for security generally you need replication slave. If you set up replication slave,replication client replication