percona galera

Tags: mariadbVi/etc/yum.repos.d/galera.repo# MariaDB 5.5 CentOS repository list-created 2014-08-28 06:32 UTC# http://mariadb.org/mariadb/repositories/[MARIADB]Name = MariaDBBaseURL = Http://yum.mariadb.org/5.5/centos6-amd64Gpgkey=https://yum.mariadb.org/rpm-gpg-key-mariadbGpgcheck=1Yum-y Install Mariadb-galera-server mariadb-client galeraThis article is from the "ilovecat (personal note)" blog, so be sure to keep this source http://hj192837.blog.51cto

Brief introduction:Percona Server was released by Percona, a leading MySQL consulting firm. Percona Server is a standalone database product that is fully MySQL compatible and can replace the storage engine with XtraDB without changing the code.The storage engine used in the Percona database is XtraDB, an enhanced version of the InnoDB storage engine in the MySQL

How to start the first node of the mariadb galera ClusterAfter setting up the mariadb galera cluster, how can I start the whole cluster after it is stopped? Which node should we start first? Today I try to stop all the cluster machines and then start a node at will, the following error is reported:170620 21:32:55 [ERROR] WSREP: It may not be safe to bootstrap the cluster from this node. it was not the last

MySQL Galera IntroductionMain functions : Synchronous replication True multi-master thatall nodes can read and write to the database at the same time Automatic node member control, failed nodes are automatically cleared New node joins data automatic replication True parallel replication, row-level Users can connect directly to the cluster, using the same feeling on MySQL exactly Advantages : Because it is m

Haproxy to achieve database load balancing, health monitoring. Weight distribution.IP planning:192.168.0.221 OS---221 db192.168.0.222 os---222 db192.168.0.223 OS---223 db192.168.0.224 OS---224 haproxy1 92.168.0.225 OS---225 haproxyvip:192.168.0.226Get ready:Before installing three hosts, SELinux, hostname, and iptables must be set up first. As follows:(1) Prohibit selinuxselinux=disabled (2) Configure Firewall service iptables stop chkconfig iptables offiptables-f (3) Edit Hosts file Vi/etc/host

First, MariaDB Galera Cluster Deployment IntroductionMARIADB, as a branch of MySQL, is already widely used in open source projects, such as hot OpenStack, so the cluster deployment is essential to ensure high availability of the service while increasing the load capacity of the system.MariaDB Galera Cluster IntroductionThe MARIADB cluster is a MARIADB synchronous multi-host cluster. It only supports the XTR

Tags: MariaDB galera clustFirst, MariaDB galera cluster Summary:1. Brief description:The MariaDB Galera Cluster is a system architecture that implements multi-master and real-time synchronization of data on the MySQL InnoDB storage engine, without the need for read and write separation at the business level, and the database read and write pressures can be distri

Because of the inability to access the extranet, the Yum Configuration official website can not download mariadb Galera (mariadb 10.1 and after the built-in Galera, not as previously required for standalone installation) need to download the packageMariaDB-10.1.31-centos73-x86_64-client.rpm MariaDB-10.1.31-centos73-x86_64-devel.rpm jemalloc-3.6.0-1.el7.x86_64.rpmMariaDB-10.1.31-centos73-x86_64-common.r

-wh_50 "/>Download the source code package to the/USR/SRC directory of the CentOS system650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/87/2F/wKioL1fXU3WBb1lQAAAXxS6aprA965.png-wh_500x0-wm_3 -wmp_4-s_1256413068.png "title=" Qq20160913091550.png "alt=" Wkiol1fxu3wbb1lqaaaxxs6apra965.png-wh_50 "/>Visit Galeracluster official website http://galeracluster.com/download page650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/87/32/wKiom1fXYJbB0S1YAAQj4ksOczU161.png-wh_500x0-wm_3 -wmp

to adjust. starting with MySQL 5.6.3 , This parameter is no longer needed. (Error log [Warning] option ' innodb_additional_mem_pool_size ': Signed value 512000 adjusted to 524288). */In the example , the default configuration is the default configuration, which is 8M. in the Mysql manual, the recommended setting for 2G memory is 20M. In general, set up the General Assembly caused by the waste of physical memory, can be on the line for a period of time to pay close attention to the log, parame

1. Install the Service Pack Group:Yum-y Install Mariadb-galera mariadb-galera-server xtrabackup2. Modify the configuration fileVim/etc/my.cnf.d/galera.cnfModify the following parameters:wsrep_provider=/usr/lib64/galera/libgalera_smm.sowsrep_cluster_address= "gcomm://" wsrep_node_address= 172.16.0.11wsrep_sst_auth=sst:sstpass123wsrep_sst_method=xtrabackup Note: ws

Label:To the new company, the company is using RAC, I am more familiar with MySQL third-party cluster scheme Galera cluster This kind of multi-master cluster, The following is a comparison of the assumptions that I made about the RAC, and then the guesswork level that I did with the MySQL scenario. The comparison of RAC and MySQL Galera Cluster (MGC), 1, implementation and operation, RAC is the business Sol

Percona XtraDB Cluster cluster Environment establishment and validation guidePercona XtraDB Cluster is a clustering scheme for MySQL database. and compatible with the MySQL server Community version, Percona Server, and MariaDB.First, install Percona XtraDB on Ubuntu ClusterLab Environment:Suppose you have 3 computer devices that have an Ubuntu system installed an

Install Percona Server in rpm package Percona XtraDBIt is an enhanced version of the InnoDB Storage engine and is designed to better use and update the performance of computer hardware systems. It also contains some new features in high-performance environments. The XtraDB storage engine is completely backward compatible, so you can use XtraDB to replace the InnoDB Storage engine.

Percona XtraDB Cluster (hereinafter referred to as PXC) is an open source MySQL high-availability solution. It integrates Percona server and Percona xtrabackup with the Galera library to enable synchronous multi-master replication. The topology of each node is as follows:　　　　, PXC each node's status is equal, each node

Tags: copy First name Live Sync ati Storage sha Cal httpPercona XtraDB Cluster (PXC) cluster is a general multi-master synchronous replication plug-in based on Galera and transactional application, which is mainly used to solve the strong consistency problem, so that the data of each node is kept in real-time synchronization and multi-node simultaneous reading and writing is realized. It is one of the well-known cluster optimization schemes in MySQL r

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 rollback. PXC ensures strong consistency across all data in the cluster to meet the CAP theory

Because Mysqldump is a logical backup, and backups are inefficient, backups cannot be made quickly when there is a large amount of dataUsing Xtrabackup is an excellent backup solution at this time.1. Full backup and full restoreBackup:--backupInnobackupex--defaults-file=/etc/my.cnf.d/server.cnf--host=127.0.0.1--user=liuwei--password=123456--backup/ tmp/backup/Option Description:--defaults-file: Indicates the server's configuration file, this parameter must be the first parameter of the Innobacku

Although PXC supports adding cluster nodes online, it has not yet addressed the Wsrep_sst_method=xtrabackup or wsrep_sst_method=mysqldump times error. Therefore, try to manually complete the Xtrabackup backup and restore and add the nodes to the cluster.Scene:There are three clean CentOS 6 servers, IP configured as: 192.168.166.169,192.168.166.170,192.168.166.171, ready to build three nodes of Percona XtraDB Cluster, Currently 192.168.166.169,192.168.

After setting up the MARIADB galera cluster, how to start the whole cluster after it is stopped, we must start the node, today I try to stop all the cluster machines, and then start a node arbitrarily, found the following error:170620 21:32:55 [ERROR] wsrep:it may isn't safe to bootstrap the cluster from this node. It was wasn't the last one to leave the cluster and may not be contain all the updates. To force cluster bootstrap with this node, edit th