Mysql cluster quick start webinar

MySQL Cluster – Quick Start & Scaling for the Web Henrique Leandro (henrique.leandro@oracle.com) Engenheiro MySQL Marcelo Souza (marcelo.t.souza@oracle.com) MySQL Brasil

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Open-source powers the Web & the Network MySQL: Serving Key Markets & Industry Leaders Enterprise 2.0 Telecommunications On Demand, SaaS, Hosting Web / Web 2.0 OEM / ISV's

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Introducing MySQL Cluster ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MySQL Cluster – Users & Applications HA, Transactional Services: Web & Telecoms http://www.mysql.com/customers/cluster/ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MySQL Cluster Data Nodes MySQL Cluster Application Nodes MySQL Cluster Mgmt Clients MySQL Cluster Architecture Bancos Paralelos sem SPOF: Alta Leitura & Performance na Escrita & 99.999% uptime MySQL Cluster Mgmt

Cenários que vamos seguir: Criar uma simples, single-node Cluster no inicio do Desenvolvimento Extender para Configuração HA para Homologação Dimensionar Cluster on-line apartir da demanda de suas aplicações Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Criando um host Cluster simples (não recomendado para Produção) ,[object Object],[object Object],Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Revisão: Construindo um Cluster simples do zero

Download ultima versão GA OS/architecture http://www.mysql.com/downloads/cluster/#downloads

Instale software e configure diretorios 192.168.0.31 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/ndb_data my_cluster/mysqld_data my_cluster/conf Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Criar arquivos de configuração (para MySQL Server) 192.168.0.31 $ vi my_cluster/conf/my.cnf [mysqld] ndbcluster datadir=/home/user1/my_cluster/mysqld_data basedir=/home/user1/mysqlc port=5000 Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Criar arquivo de configuração (para Cluster) 192.168.0.31 $ vi my_cluster/conf/config.ini [ndb_mgmd] hostname=localhost datadir=/home/user1/my_cluster/ndb_data id=1 [ndbd default] noofreplicas=2 datadir=/home/user1/my_cluster/ndb_data [ndbd] hostname=localhost id=3 [ndbd] hostname=localhost id=4 [mysqld] id=50 Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Criar o banco “mysql” 192.168.0.31 $ cd mysqlc [mysqlc]$ scripts/mysql_install_db --no-defaults --datadir=$HOME/my_cluster/mysqld_data/ Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Inicie os nós de gerenciamento e então os nós de dados 192.168.0.31 $ cd ~/my_cluster [my_cluster]$ $HOME/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=$HOME/my_cluster/conf/ [my_cluster]$ $HOME/mysqlc/bin/ndbd -c localhost:1186 [my_cluster]$ $HOME/mysqlc/bin/ndbd -c localhost:1186 Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Certifique que nós estão online antes de iniciar o MySQL Server 192.168.0.31 $ $HOME/mysqlc/bin/ndb_mgm -e show Connected to Management Server at: localhost:1186 Cluster Configuration --------------------- [ndbd(NDB)] 2 node(s) id=3 @127.0.0.1 (mysql-5.1.44 ndb-7.1.3, Nodegroup: 0, Master) id=4 @127.0.0.1 (mysql-5.1.44 ndb-7.1.3, Nodegroup: 0) [ndb_mgmd(MGM)] 1 node(s) id=1 @127.0.0.1 (mysql-5.1.44 ndb-7.1.3) [mysqld(API)] 1 node(s) id=50 (not connected, accepting connect from any host) Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Inicie o MySQL Server e teste o Banco 192.168.0.31 [my_cluster]$ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my.cnf & [my_cluster]$ $HOME/mysqlc/bin/mysql -h 127.0.0.1 -P 5000 -u root mysql> create database clusterdb;use clusterdb; mysql> create table simples (id int not null primary key) engine=ndb; mysql> insert into simples values (1),(2),(3),(4); mysql> select * from simples; +----+ | id | +----+ | 1 | | 2 | | 4 | | 3 | +----+ Data Node 192.168.0.31 MySQL Server Mgmt Node Data Node

Extender o Cluster para que rode em multiplos servidores ,[object Object],[object Object],[object Object],[object Object],[object Object],Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34

Extender o Cluster para Alta Disponibilidade Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34

Instalar s/w & criar diretorios para 192.168.0.33/34 192.168.0.34 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/mysqld_data my_cluster/conf Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/mysqld_data my_cluster/conf

Instalar s/w & criar diretorios para 192.168.0.32 Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.32 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/ndb_data

Iniciar o “mysql” (para processos mysqld) 192.168.0.33 $ cd mysqlc [mysqlc] $ scripts/mysql_install_db --no-defaults --datadir=$HOME/my_cluster/mysqld_data/ 192.168.0.34 $ cd mysqlc [mysqlc] $ scripts/mysql_install_db --no-defaults --datadir=$HOME/my_cluster/mysqld_data/ Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34

Criar o Cluster config files Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ cd ~/my_cluster/conf/ [conf] $ vi config.ini [ndb_mgmd] hostname=192.168.0.33 datadir=/home/user1/my_cluster/ndb_data id=1 [ndb_mgmd] hostname=192.168.0.34 datadir=/home/user1/my_cluster/ndb_data id=2

Criar o Cluster config files (continued) Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 ... [ndbd default] noofreplicas=2 datadir=/home/user1/my_cluster/ndb_data [ndbd] hostname=192.168.0.31 id=3 [ndbd] hostname=192.168.0.32 id=4 [mysqld] id=50 [mysqld] id=51

Criar o Cluster config files (continued) Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 [conf] $ vi my.cnf [mysqld] ndbcluster datadir=/home/user1/my_cluster/mysqld_data basedir=/home/user1/mysqlc port=5000 [conf] $ sftp 192.168.0.34 sftp> cd my_cluster/conf sftp> put config.ini sftp> put my.cnf sftp> bye

Faça um backup e faça um shut-down no Cluster 192.168.0.31 $ $HOME/mysqlc/bin/mysqladmin -u root -h 127.0.0.1 -P 5000 shutdown $ $HOME/mysqlc/bin/ndb_mgm –e “START BACKUP” $ $HOME/mysqlc/bin/ndb_mgm –e “SHUTDOWN” Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34

Iniciar os nós de gerenciamentos Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ cd ~/my_cluster [my_cluster] $ $HOME/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=$HOME/my_cluster/conf/ 192.168.0.34 $ cd ~/my_cluster [my_cluster] $ $HOME/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=$HOME/my_cluster/conf/

Iniciar os Nós de Dados Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.31 $ $HOME/mysqlc/bin/ndbd -c 192.168.0.33:1186,192.168.0.34:1186 --initial 192.168.0.32 $ $HOME/mysqlc/bin/ndbd -c 192.168.0.33:1186,192.168.0.34:1186 --initial

Esperar até que os nós estejam prontos Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ $HOME/mysqlc/bin/ndb_mgm -e "SHOW“ Connected to Management Server at: localhost:1186 Cluster Configuration --------------------- [ndbd(NDB)] 2 node(s) id=3 @192.168.0.31 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0, Master) id=4 @192.168.0.32 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0) [ndb_mgmd(MGM)] 2 node(s) id=1 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=2 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) [mysqld(API)] 2 node(s) id=50 (not connected, accepting connect from any host) id=51 (not connected, accepting connect from any host)

Restore database Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.31 $ $HOME/mysqlc/bin/ndb_restore -c 192.168.0.33:1186 -b 1 -n 3 -r -m $HOME/my_cluster/ndb_data/BACKUP/BACKUP-1/ $ $HOME/mysqlc/bin/ndb_restore -c 192.168.0.33:1186 -b 1 -n 4 -r $HOME/my_cluster/ndb_data/BACKUP/BACKUP-1/

Start up MySQL Servers Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ cd ~/my_cluster [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my.cnf & 192.168.0.34 $ cd ~/my_cluster [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my.cnf &

Verificar se os dados continuam lá Data Node mysqld Mgmt Node Data Node Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 31 32 33 34 192.168.0.33 $ $HOME/mysqlc/bin/mysql -h 127.0.0.1 -P 5000 -u root mysql> create database clusterdb;use clusterdb; mysql> select * from simples; +----+ | id | +----+ | 3 | | 1 | | 2 | | 4 | +----+

Adicionar nós On-line ,[object Object],[object Object],Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Adicionando Nós On-line Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Instalar s/w & criar diretorios para 192.168.0.33/34 192.168.0.35 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/ndb_data 192.168.0.36 $ tar xvf Downloads/mysql-cluster-gpl-7.1.4b-linux-i686-glibc23.tar.gz $ ln -s mysql-cluster-gpl-7.1.4b-linux-i686-glibc23/ mysqlc $ mkdir my_cluster my_cluster/ndb_data Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Iniciar o “mysql” (mysqld) 192.168.0.33 [my_cluster] $ mkdir mysqld_data2 [my_cluster] $ cd ../mysqlc [mysqlc] $ scripts/mysql_install_db --no-defaults --datadir=$HOME/my_cluster/mysqld_data2/ [mysqlc] $ cd ../my_cluster 192.168.0.34 [my_cluster] $ mkdir mysqld_data2 [my_cluster] $ cd ../mysqlc [mysqlc] $ scripts/mysql_install_db --no-defaults --datadir=$HOME/my_cluster/mysqld_data2/ [mysqlc] $ cd ../my_cluster Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Altere o Cluster config.ini Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 $ cd ~/my_cluster/conf/ [conf] $ vi config.ini ... [ndbd] hostname=192.168.0.35 id=5 [ndbd] hostname=192.168.0.36 id=6 [mysqld] id=52 [mysqld] id=53 ....

Criar config file para os novos servidores MySQL Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [conf] $ vi my2.cnf [mysqld] ndbcluster datadir=/home/user1/my_cluster/mysqld_data2 basedir=/home/user1/mysqlc port=5001

Duplicar config files para outros nós de gerenciamento Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [conf] $ sftp 192.168.0.34 sftp> cd my_cluster/conf sftp> put config.ini sftp> put my2.cnf sftp> bye

Restart Nós de gerenciamento Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [conf] $ cd .. [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “2 STOP“ [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “1 STOP“ [my_cluster] $ $HOME/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=$HOME/my_cluster/conf/ 192.168.0.34 [my_cluster] $ $HOME/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=$HOME/my_cluster/conf/

Restart Nós de dados existentes Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “3 RESTART“ # Wait until Node 3 has restarted [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “SHOW“ [ndbd(NDB)] 4 node(s) id=3 @192.168.0.31 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0) id=4 @192.168.0.32 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0, Master) id=5 (not connected, accepting connect from 192.168.0.35) id=6 (not connected, accepting connect from 192.168.0.36) [ndb_mgmd(MGM)] 2 node(s) id=1 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=2 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) [mysqld(API)] 4 node(s) id=50 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) id=51 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=52 (not connected, accepting connect from any host) id=53 (not connected, accepting connect from any host) [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “4 RESTART“

Restart MySQL Servers existentes Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [my_cluster] $ $HOME/mysqlc/bin/mysqladmin -u root -h 127.0.0.1 -P 5000 shutdown [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my.cnf & 192.168.0.34 [my_cluster] $ $HOME/mysqlc/bin/mysqladmin -u root -h 127.0.0.1 -P 5000 shutdown [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my.cnf &

Start no novo MySQL Servers Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my2.cnf & 192.168.0.34 [my_cluster] $ $HOME/mysqlc/bin/mysqld --defaults-file=conf/my2.cnf &

Start no nós de dados 192.168.0.35 $ $HOME/mysqlc/bin/ndbd -c 192.168.0.33:1186,192.168.0.34:1186 --initial 192.168.0.36 $ $HOME/mysqlc/bin/ndbd -c 192.168.0.33:1186,192.168.0.34:1186 --initial Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node

Aguarde a inicialização Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “SHOW“ [ndbd(NDB)] 4 node(s) id=3 @192.168.0.31 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0, Master) id=4 @192.168.0.32 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0) id=5 @192.168.0.35 (mysql-5.1.44 ndb-7.1.4, no nodegroup) id=6 @192.168.0.36 (mysql-5.1.44 ndb-7.1.4, no nodegroup) [ndb_mgmd(MGM)] 2 node(s) id=1 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=2 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) [mysqld(API)] 4 node(s) id=50 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=51 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) id=52 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=53 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “CREATE NODEGROUP 5,6“

Confirme os novos nós em seus grupos Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 [my_cluster] $ $HOME/mysqlc/bin/ndb_mgm -e “SHOW“ [ndbd(NDB)] 4 node(s) id=3 @192.168.0.31 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0, Master) id=4 @192.168.0.32 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 0) id=5 @192.168.0.35 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 1) id=6 @192.168.0.36 (mysql-5.1.44 ndb-7.1.4, Nodegroup: 1) [ndb_mgmd(MGM)] 2 node(s) id=1 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=2 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) [mysqld(API)] 4 node(s) id=50 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=51 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4) id=52 @192.168.0.33 (mysql-5.1.44 ndb-7.1.4) id=53 @192.168.0.34 (mysql-5.1.44 ndb-7.1.4)

Reparticione as tabelas ja existentes Data Node Data Node mysqld Mgmt Node mysqld Mgmt Node 31 32 33 34 Data Node Data Node mysqld mysqld 31 32 33 34 Data Node Data Node 35 36 mysqld Mgmt Node mysqld Mgmt Node 192.168.0.33 $ $HOME/mysqlc/bin/mysql -h 127.0.0.1 -P 5000 -u root mysql> use clusterdb; mysql> ALTER ONLINE TABLE simples REORGANIZE PARTITION; mysql> OPTIMIZE TABLE simples;

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Mysql cluster quick start webinar

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