galera cluster

Oracle cluster and cluster tables, Oracle cluster tables Oracle clusters and cluster tables A cluster consists of multiple tables that share the same data block. It stores the related rows of these tables in the same data block, which can reduce the disk read volume required

This article will be through two computers Here's a quick introduction to how the Windows platform builds MySQL clusters. MySQL cluster supports multiple computers, the MySQL cluster built in this article for example, two, one (IP for 192.168.24.33) deployment Management node, data node and SQL node, and another (IP for 192.168.24.82) deployment data node and SQL node.In practice, do not deploy the manageme

How to build a Percona XtraDB Cluster and perconaxtradb I. Environment preparation Host IP host name operating system version PXC 192.168.244.146 node1 CentOS7.1 Percona-XtraDB-Cluster-56-5.6.30 192.168.244.147 node2 CentOS7.1 Percona-XtraDB-Cluster-56-5.6.30 192.168.244.148 node3 CentOS7.1 Percona-XtraDB-Cluster-56-5.

The previous article explains the process of building the Redis cluster based on Redis cluster, and continues to explain the increase and decrease of node in the Redis cluster below. adding nodes in a cluster Let's test again, add a new node, in 2 cases, 1 as the primary node, 2 as a node from the node. Let's try this

PXC (Percona xtradb Cluster) Single machine multi-instance and multi-cluster installation configuration PXC principle: After the node receives the SQL request, the WSREPAPI calls the Galera library for cluster broadcast before the commit, and all other nodes commit the transaction after the success, and vice versa roll

install3.2 Compiling and installing percona-xtradb-cluster-5.7.19-29.22It is best to uninstall the local MySQL database before compiling the installation. rpm-qa | grep mysql （注意大小写，如果mysql不行就换MySQL） yum -y remove mysql的包名Data and/ETC/MY.CNF in/var/lib/mysql will not be removed after uninstallation, and will be removed manually if determined to be useless. rm -f /etc/my.cnf rm -rf /var/lib/mysqlCreate a MySQL user name and foldermkdir /data/6600 -pmk

In the past, the cluster configuration of the database has been difficult, the difficulty lies in MySQL master and slave structure of high availability and read and write separation. Fortunately, the advent of galera/gr has greatly simplified the configuration of the entire cluster.Here is a simple MySQL cluster topology diagram:1.MySQL Middleware: Routing the Re

WAS cluster series (3): Build a cluster: Step 1: prepare files, was Cluster Note: "pointing track" is "Click order", which is the effect after clicking Environment Project point Metrics WAS version 7.0 Operating System Windows 2008 Number of system digits 64bit Memory 2G WAS absolute path D:

Zookeeper cluster (pseudo cluster) Building tutorial, zookeeper Cluster What is zookeeper? What can Zookeeper do? As the name suggests, zookeeper is the zoo administrator. It is the administrator of hadoop (ELEPHANT), Hive (BEE), pig (pig), and Apache Hbase and Apache Solr distributed clusters use zookeeper; zookeeper: it is a distributed and open-source program