vmware synchronous replication

Tags: semi-synchronous replication Server-id effectMySQL Master-slave replicationMySQL master-slave replication principle:There are two thread IO threads and SQL threads from the library1. From the IO thread of the library sends the request to the main library main process, the main library verifies from the library, to the main library IO thread is responsible f

Tags: MySQL semi-synchronousConfigure MySQL semi-sync, provided the master and slave environments are already in place.MySQL Semi-synchronous configurationMaster configurationInstalling the Semisync_master Pluginmysql> INSTALL PLUGIN rpl_semi_sync_master SONAME ' semisync_master.so ';Query OK, 0 rows affected (0.02 sec)Mysql>show plugins;+----------------------------+----------+--------------------+--------------------+---------+| Name | Status | Typ

MySQL semi-synchronous replication and mysql Synchronization1. Introduction to semi-synchronous Replication What is the semi-synchronous replication mode? Here, we first understand the asynchronous

% ';+----------------------------+-------+| variable_name | Value |+----------------------------+-------+| Rpl_semi_sync_slave_status | On |+----------------------------+-------+--analog timeout after the semi-synchronous state--slaveStop slave Io_thread;Mysql> Show status like '%rpl_semi_sync% ';+----------------------------+-------+| variable_name | Value |+----------------------------+-------+| Rpl_semi_sync_slave_status | OFF |+-------------------

Tags: completing the Generate Plugins Status tool parameters MySQL database size1 OverviewSemi-synchronous replication refers to a subset of host synchronous replication, and another part of the host asynchronous replicationThe logic of synchronization is that the user writes to the primary server, the primary service

Master_user= ' stemp ', master_password= ' 123456 ' for CHANNEL ' group_replication_recovery '; INSTALL PLUGIN Group_replication SONAME ' group_replication.so '; set global group_replication_allow_local_disjoint_gtids_join=on; START group_replication;Other main executions:INSTALL PLUGIN group_replication SONAME ' group_replication.so '; START group_replication;To view node information:SELECT * from Performance_schema.replication_group_members;Modify node information online:Global group_replicat

Tags: failure connection slave semi-synchronous transaction select BSP Time asynchronous1.1.1.Related Concepts by default, MySQL uses asynchronous replication, that is, the transaction execution on master and the copy operation on the slave do not need to be synchronized,master You do not have to wait for The replication thread on the slave to complete other

Tags: copy half-sync MySQL===Asynchronous replication (asynchronous replication)MySQL default replication is asynchronous, the main library after executing the client committed transactions will immediately return the results to the client, do not care whether the library has been received and processed, so there is a problem, if the Lord crash off, at this time

The difference between MySQL semi-synchronous replication and asynchronous replication as shown in the previous schema diagram: In the case of MySQL asynchronous replication, MySQL master server transfers its own binary log through the replication thread, MySQL Master Sever

In the previous article "mud: learning the principles of mysql database master-slave synchronous replication", we introduced the basic principles of mysql master-slave replication. In this article, we will test the master-slave synchronous replication function of mysql55. No

Mysql5.5 master-slave synchronous replication Configuration In the previous article "mud: learning the principles of mysql database master-slave synchronous replication", we introduced the basic principles of mysql master-slave replication. In this article, we will test the

Mysql5.5 master-slave synchronous replication configuration, mysql5.5 master-slave Synchronization In the previous article "mud: learning the principles of mysql database master-slave synchronous replication", we introduced the basic principles of mysql master-slave replication