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MySQL5.6.10 cross-platform GTID replication practices bitsCN.com MySQL replication is established to achieve data redundancy based on business needs. MySQL 5.6.10 provides a more convenient GTID-based replication function. MySQL c
the library if you also want to master the library, also open the Log_bin and log-slave-update parametersTo configure the read and write MySQL master-slave replication steps:1. Install the MySQL database in both the main library and the slave library2. Configure Server-id and Log-bin in the main library's configuration file (/ETC/MY.CNF)3. Create an authenticate
Mysql storage program, function, trigger program and replication: FAQs: bitsCN.com Does MySQL 5.1 storage programs and functions work for replication?Yes, the standard behavior executed in the storage program and function is copied from the master MySQL server to the slave s
; INSERT INTO HI_TB values (001, ' WF ');Query OK, 1 row Affected (0.00 sec) mysql> show databases;+--------------------+| Database |+--------------------+| Information_schema || hi_db || MySQL || Test |+--------------------+4 rows in Set (0.00 sec) From the server MySQL query:
|| Rpl_semi_sync_slave_trace_level | 32 || Rpl_stop_slave_timeout | 31536000 |+---------------------------------+----------+3 rows in Set (0.01 sec) State:How do I know it is a semi-synchronous copy? Rpl_semi_sync_master_clients: Describes the number of linked slave that support and register semi-synchronous replication.Rpl_semi_sync_master_status:on is active (semi-synchronous), off is inactive (asynchronous), either he is not enabled or has reverted to the asynchronous
Preface Mysqlreplicaion is a simple architecture, that is, a MySQL Server (slave) replicates logs from another MySQL Server (master), then parses the logs and applies them to itself. In a replication environment, only two hosts running mysqlserver are required. In a simpler environment, we can start two mysqldinstances on the same physical server host, one is t
log name and offset value on the master server: Mysql> show master status;+ --------------- + ---------- + -------------- + ------------------ +| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |+ --------------- + ---------- + -------------- + ------------------ +| Mysql-bin.003 | 73 | test | manual, mysql
main purpose is to clarify the principle. if there are no special technical details for the specific implementation, try to get it started. Transactions and replication Recently, I participated in a data distribution project involving data distribution of MySQL databases. In short, it is necessary to implement multi-point writability in a remote data center and ensure that the distributed data can ac
Master of the MySQL and the keepalived later, and in slave Library Run start Slave , Master Run IP a Discover services prior to recovery2.8 Test LVs the load Balancing effectAfter starting master and backup MySQL, perform the following command on master and backupDynamic keepalived and Realserver scripts:/etc/rc.d/init.d/realserver.sh start/etc/rc.d/init.d/keepa
parameter value (MS), in order to prevent the semi-synchronous replication from clogging if no acknowledgement is received, if Master does not receive any acknowledgement before timing out, it will revert to normal asynchronous replication and continue with a copy operation that is not semi-synchronous.rpl_semi_sync_master_wait_no_slave={on| OFF}If a transaction is committed, but Master does not have any s
http://blog.itpub.net/28218939/viewspace-1975822/Concurrent Replication ( Parallel Replication ) Series II: Enhanced multi-threaded slavesMa Pengfei Technology MySQL database engineer First, we comb the basic principle of traditional mysql/mariadb replication:Master-slave r
Concurrent Replication ( Parallel Replication ) Series II: Enhanced multi-threaded slavesMa Pengfei Technology MySQL database engineerFirst, we comb the basic principle of traditional mysql/mariadb replication:Master-slave replication is done through three threads, Binlog
Label:The architecture of replication has the following basic principles:(1) Each slave can have only one master;(2) Each slave can only have a unique server ID;(3) Each master can have a lot of slave;(4) If you set Log_slave_updates,slave to be the master of other slave, it will spread the update of master. MySQL does not support multi-master server replication
|+ ------------------ + ---------- + ------------------- + ------------------ + Under the slave server master MySQL command:#/Usr/local/mysql/bin/mysql-u root-pMysql> slave stop;Mysql> change master to master_host = '192. 168.1.123 ', master_user = 'back', master_password = 'back', master_log_file = '
reading data from binary log: 'Could not find first log file name in binary log index file' Cause: master_log_file is incorrectly configured when you configure change master. Method: change master to master_log_file = 'mysqlbin. 100'; start slave. 13. Test the correctness of Replication Master database mysql> create Database zx; Query OK, 1 row affected (0.05 se
MySQL replication (1) bitsCN.com Compared with small sites, database administrators of large sites must do the following in advance: Provides a recovery plan for core business data in the event of a disaster. Theoretically, this process must be executed at least once. Provides optimization plans by collecting a large amount of user data and monitoring the load on each node of the website Rapid horizonta
MySQL replication (1) --- what is binary log bitsCN.com? Compared with small sites, database administrators of large sites must do the following in advance: Provides a recovery plan for core business data in the event of a disaster. Theoretically, this process must be executed at least once. Provides optimization plans by collecting a large amount of user data and monitoring the load on each node of the
MySQL replication can ensure the redundancy of the data and read and write separation to share the system pressure, if the primary master replication can also be good to avoid the primary node single point of failure. But there are some problems with MySQL master replication
;Restore the action specified in mysql-bin.000002 (position) to the test database Mysql Master-slave replication-Data synchronization At this point, first ensure that the MySQL user authorization has been completed and that the My
purpose of recovering the backup ring from the crash in time. Replication can point a read operation to a library for better read expansion, but for write operations, it is not appropriate to extend by replication.1. mysql Replication use Distribution data MySQL
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