Step-by-step MySQL Clustering Setup

Step-by-step MySQL Clustering Setup

Presented by Sean Hull, a business and technology

consultant, author & speaker

Presented by Sean Hull, a business and technology

consultant, author & speaker

Cluster Sandbox SetupCluster Sandbox Setup

Download standbox - severalnines.com Unpackage sandbox Download cluster mysql distro Use dist-tgz.sh to expand cluster distro Run bootstrap.sh Run start-cluster-initial.sh Set PATH variable

Download standbox - severalnines.com Unpackage sandbox Download cluster mysql distro Use dist-tgz.sh to expand cluster distro Run bootstrap.sh Run start-cluster-initial.sh Set PATH variable

MySQL Cluster - WhatMySQL Cluster - What

NDB storage engine mysqld - ports 3306, 3307

Sql servers, private InnoDB & MyISAM tables

ndbd - port 1186 Cluster nodes, port 1186

ndb_mgmd Monitor cluster nodes, start, stop, read

conf

NDB storage engine mysqld - ports 3306, 3307

Sql servers, private InnoDB & MyISAM tables

ndbd - port 1186 Cluster nodes, port 1186

ndb_mgmd Monitor cluster nodes, start, stop, read

conf

NDB Cluster DiagramNDB Cluster Diagram

QuickTime™ and a decompressor

are needed to see this picture.

ManagementManagement

Start ndb_mgm -e "all start"

Stop ndb_mgm -e "all stop"

Status ndb_mgm -e "all status"

Start ndb_mgm -e "all start"

Stop ndb_mgm -e "all stop"

Status ndb_mgm -e "all status"

ConfigurationConfiguration

my.cnf ndbcluster ndb-connectstring=localhost:1186

config.ini [NDB_MGMD]

Id PortNumber Hostname

my.cnf ndbcluster ndb-connectstring=localhost:1186

config.ini [NDB_MGMD]

Id PortNumber Hostname

PerformancePerformance

Slow performance w/large transactions

Slow performance of joins Slow performance of range scans

Slow performance w/large transactions

Slow performance of joins Slow performance of range scans

LimitationsLimitations

Db size limited to available memory No text or blob datatypes No fulltext indexes No temporary tables Only read-committed transactions No “durability” of commits (backups!) No foreign keys supported No deadlock detection Reads are locking!

Db size limited to available memory No text or blob datatypes No fulltext indexes No temporary tables Only read-committed transactions No “durability” of commits (backups!) No foreign keys supported No deadlock detection Reads are locking!

NDB Join TestNDB Join Test

Create table t - 5000 rows Create myisam_a and myisam_b Insert 5000 rows in each from t Create innodb_a and innodb_b Insert 5000 rows in each from t Create ndb_a and ndb_b Insert 5000 rows in each from t

Create table t - 5000 rows Create myisam_a and myisam_b Insert 5000 rows in each from t Create innodb_a and innodb_b Insert 5000 rows in each from t Create ndb_a and ndb_b Insert 5000 rows in each from t

Performance DifferencesPerformance Differences

Three different insert times Three identical join queries Three different execution times

Three different insert times Three identical join queries Three different execution times

Expert CommentsExpert Comments

Quote from High Performance MySQL

Quote from High Performance MySQL

Further Reading - BooksFurther Reading - Books

High Performance MySQL 2nd Ed. - Schwartz,Zaitsev, Tkachenko, Zawodny, Lentz, Balling - O’Reilly

Pro MySQL - Kruckenberg & Pipes - Apress

High Performance MySQL 2nd Ed. - Schwartz,Zaitsev, Tkachenko, Zawodny, Lentz, Balling - O’Reilly

Pro MySQL - Kruckenberg & Pipes - Apress

Further Reading - WebFurther Reading - Web

Video: Googly MySQL - Stewart Smith

Johan Andersson’s Cluster & HA Blog

Video: Googly MySQL - Stewart Smith

Johan Andersson’s Cluster & HA Blog

ConclusionConclusion

Unique take on database clustering

Consider features/limiations Test, test & test some more Future looks bright for NDB Cluster

Unique take on database clustering

Consider features/limiations Test, test & test some more Future looks bright for NDB Cluster

QuestionsQuestions

Cluster w/Master + Slave Replication

UTF8 & UTF16 issues

Cluster w/Master + Slave Replication

UTF8 & UTF16 issues

Thank YouThank You

Sean Hull <hullsean@gmail.com> Founder, Senior Consultant Heavyweight Internet Group www.iheavy.com Ph: +1-866-268-9448 Blog: www.oracleopensource.com www.linkedin.com/in/hullsean

Sean Hull <hullsean@gmail.com> Founder, Senior Consultant Heavyweight Internet Group www.iheavy.com Ph: +1-866-268-9448 Blog: www.oracleopensource.com www.linkedin.com/in/hullsean