Author:
erics , August 26th, 2019
Zero-Downtime Cluster Maintenance: Comparing the Procedures for Upgrades versus DB/OS Maintenance
Architecture , cctrl , Composite , Datasource , Downtime , Maintenance , Mastering Tungsten Clustering , Question , Shun , Zero-Downtime Tags: Command , HA , Master , mysql , QA , recover , Shell , Slave , Switch , Tungsten , welcome , Zero Comments Off on Zero-Downtime Cluster Maintenance: Comparing the Procedures for Upgrades versus DB/OS Maintenance
Author:
erics , August 8th, 2019
The power of Tungsten Clustering for MySQL / MariaDB is its built-in intelligent MySQL proxy, known as the Tungsten Connector. The Connector has built-in read-write splitting capabilities, and it is also possible to configure different algorithms which select the appropriate slave (i.e. Round-Robin or Lowest-Latency).
Balance , Bottleneck , Connector , Heavy I/O Load , Load Balancing , Mastering Tungsten Clustering , Overloaded , Read-only , Read-write , Splitting Tags: Clustering , mysql , proxy , Slave , Tungsten Comments Off on How to use Round-Robin Load Balancing with the Tungsten Connector
Author:
erics , July 25th, 2019
How to move the Relay role to another node in a Composite Tungsten Cluster
Architecture , cctrl , cls , Composite , Datasource , failover , Maintenance , Mastering Tungsten Clustering , Question Tags: Automatic , Command , HA , High Availability , Master , Move , mysql , QA , Relay , Replicator , Shell , Slave , Switch , Tungsten Comments Off on How to move the Relay role to another node in a Composite Tungsten Cluster
Author:
erics , April 15th, 2014
https://github.com/continuent/continuent-puppet-tungsten As user root: vi /root/install.pp
$ clusterData = {
"myServiceNameHere" = > {
"topology" = > "master-slave" ,
"master" = > "myDBHostName1" ,
"slaves" = > "myDBHostName2" ,
} ,
}
class { 'tungsten' :
installSSHKeys = > true ,
installMysql = > true ,
clusterData = > $ clusterData ,
replicatorRepo = > "stable" ,
installReplicatorSoftware = > true ,
}
yum install puppet mkdir -p /etc/puppet/modules puppet module install continuent/tungsten puppet apply /root/install.pp
How-To's , Technology Tags: AWS , CentOS , Continuent , howto , Install , key , Master , Puppet , Replicator , Slave , ssh , tips , Tungsten No comments
erics, August 26th, 2019 
Categories: Architecture, cctrl, Composite, Datasource, Downtime, Maintenance, Mastering Tungsten Clustering, Question, Shun, Zero-Downtime Command, HA, Master, mysql, QA, recover, Shell, Slave, Switch, Tungsten, welcome, Zero
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