Painstaking ward, want to review the MySQL master building, although the launch VM, respectively, opened my previous installation of two virtual machines, a CentOS6 an Ubuntu, these two are installed MySQL database, install what not said, configuration also no problem. But I dump the Lord's database, copy it from the top, and then do the synchronization error:
Slave_io_running:noSlave_sql_running:yesLast_io_error:got fatal Error 1236 from
Tags: Linux OPS linux operations engineerThis paper mainly introduces the realization of MySQL master-slave copy function under the environment of single-database multi-instance.Basic Flow:1.MySQL Master-Slave Replication Introduction2.
MySQL master-slave replication steps and common error solutions, mysql Common Errors
Mysql master-slave replication (replication synchronization) is widely used and mature in enterprise
Tags: User authentication io_error Storage Troubleshooting Preface ASE read/write detach outI. PrefaceMaster-slave replication is a very heavy need for a module in MySQL knowledge system. The study of master-slave copying and subsequent reading and writing separation is an important part of perfecting knowledge system.
Tags: detach copy master database MySQLMySQL's master-slave replicationIn the actual enterprise application environment, the single MySQL database is insufficient to meet the future business requirements. For example, if a server fails and there is no backup server to provide the service, the business will have to stop. In this case, let's learn MySQL
The ultimate goal of replication is to keep the data of one server in sync with the data of another server, which has reached data redundancy or service load balancing. A primary server can connect to multiple slave servers, and from the server it can also be the primary server. The master and slave servers can be loca
MySQL's database has the following high-availability architectures: Clustering, read-write separation, and master preparation. And two of the following are done by copying. The following is a brief introduction to the principles and configuration of replication, as well as some common issuesFirst, the principle of replicationMySQL replication tracks all changes t
?? Apache Replication Master-slave replication synchronization mechanism practice1. Two servers are installed ApacheApt-get Install Apache22. Two servers are installed RsyncApt-get Install Rsync3. Use cron to plan in ServerACrontab-eEnter edit mode, and then enter the following, which means that synchronization is perf
The company uses the Master-slave structure, on the concrete study under, here records the related content.
The benefits of replication
Read-write Detach: The primary database is responsible for writing and update data and reads from the databaseData security: Because data is replicated to and from the library, and you can stop the
Role of the master and slave:
1. It can be used as a backup method.
2. read/write splitting to relieve the pressure on a database
MySQL master-slave backup principle:
Mysql master-slave replic
Perform master-slave configuration online
Steps
1. Lock table
FLUSH TABLES with READ LOCK;
2. Copy data file, or export
3. Record the log location of master
Master_log_file
Master_log_pos
4. Unlock the main library
UNLOCK TABLES;
5. Start Master and slave configura
Label:MySQL master-slave Replication Principle IntroductionFirst, the principle of replicationMySQL replication tracks all changes to the database (updates, deletions, and so on) based on the primary server in the binary log. Each slave server receives a saved update from th
Tags: space its ATI connect will not be ignored by try RocMySQL master-slave replication architecture and implementation of MySQL master-slave replication configuration
Master
Master-slave replication:From the server:I/O Thread: Requests binary log information from master and saves it to the relay log;SQL thread: Reads the log information from the relay log and completes the replay locally; Async mode: Async 1, from the server behind the main server, 2, the master-
The role of Master and subordinate:
1. Can be used as a backup method
2. Used to achieve the separation of read and write, ease the pressure of a database
MySQL master-slave backup principle:
MySQL's master-slave replication i
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