Santo Leto - MySQL Connect 2012 - Getting Started with Mysql Cluster

Hands-on LabGetting Started withMySQL Cluster Santo Leto MySQL Support, Oracle

Aim of This Hands-on Lab Getting Started with MySQL Cluster § Objectives 1 Learn the basics of the MySQL Cluster Architecture 2 Learn the basics of MySQL Cluster Configuration and Administration 3 Learn how to start a new Cluster for evaluation purposes and how to connect to it § Benefits – Familiarize with MySQL Cluster – Know where to go next to start (or continue) Cluster evaluation3 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Agenda 1 Brief Introduction to MySQL Cluster 2 Installation, Start & Monitoring of MySQL Cluster Hands-on Lab 3 Connecting to MySQL Cluster Hands-on Lab 4 Safe Shutdown of MySQL Cluster 5 Overview of Main MySQL Clusters Admin Commands & Operations 6 NDB API & JAVA Examples Hands-on Lab 7 MySQL Cluster CGE & Conclusions4 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Oracle Linux Fast, Modern, Reliable § Open Source, available under the GNU GPL § Unbreakable Enterprise Kernel: – Optimized for Oracle Hardware & Software – Extreme Performance, Scalability & Reliability – Optimizations, Enhancements & Bug Fixes More: www.oracle.com/linux § 24/7 Oracle Linux Support in 145 Countries – Zero downtime updates with Ksplice5 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Its Your Turn! Download and Open the HOL Instructions: $ wget dl.dropbox.com/u/11440784/hol/HOL_Instructions.txt $ gedit HOL_Instructions.txt & Main point Hands-on LAB6 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster - WHAT Web Scalability, Carrier Grade Availability, Developer Agility § Write-Scalable, Real-time, ACID-compliant Transactional DB § Auto-Sharding, Multi-Master, Shared-nothing Architecture: – Independent nodes that can scale horizontally on commodity hardware – No shared disks, no shared memory, No single point of failure § 99.999% Availability § Can be access by SQL and NoSQL Clients § Open source (Community Ed.) & Commercial (Carrier Grade Ed.)8 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Deployments - WHERE Where is it used? Web Telecoms ● High volume OLTP • Subscriber Databases (HLR & HSS) ● Ecommerce (inventory management, • Service Delivery Platforms shopping carts, payment processing, • Mobile & Micro-Payments fulfillment tracking, etc) • Communications & Presence Services ● User Profile Management & Entitlements • VoIP, IPTV, Video on Demand, Video ● Session Management & Caching Conferencing ● Feed Streaming, Analysis & Recomend. • IP Multimedia (IMS) Services ● Content Management & Delivery • DNS / DHCP for Broadband Access ● Massively Multiplayer Online Games Case Studies: www.mysql.com/customers/cluster/9 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Applications - WHEN Is it suitable for me? § What are the consequences of a downtime of your Service? § Are you considering sharding your database to scale write performance? – How does that impact your application and developers? § Do your services need to be real-time? § Will your services have unpredictable scalability demands, especially for writes? § Do you want the flexibility to manage your data with more than just SQL?10 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Architecture - HOW Node Types: § Management Nodes – Read the Configuration – Logs, Administration § Data Nodes – Store Data & Indexes § API Nodes – External Connectivity – NDB Storage Engine, APIs, Connectors12 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Installation of MySQL Cluster Generic Linux Package Unpack of the Installation of two SQL package Nodes 1 2 3 4 Creation of the needed Creation of the directories configuration files16 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Monitoring of MySQL Cluster Cluster Processes & Logs § Are the Cluster processes running? ps aux | grep ndb ps aux | grep mysqld § Tail of the Management Log: tail -f $HOME/cluster/7.2.7/ndb_data/ndb_1_cluster.log20 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Connecting to MySQL Cluster SQL & NoSQL Access to Cluster Data Management Client Connectors & APIs (administration) (SQL or NoSQL access) 1 2 3 Later, in Section # 6 ! MySQL Client (SQL access)22 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Shutdown - Sample Output § Clusters "shutdown" command: ndb_mgm> shutdown Node 3: Cluster shutdown initiated Node 4: Cluster shutdown initiated Node 3: Node shutdown completed. Node 4: Node shutdown completed. 3 NDB Cluster node(s) have shutdown. Disconnecting to allow management server to shutdown. ndb_mgm> § .. and how it looks on the Cluster Logs: 2012-09-25 09:58:09 [MgmtSrvr] INFO -- Node 3: Cluster shutdown initiated 2012-09-25 09:58:09 [MgmtSrvr] INFO -- Node 4: Cluster shutdown initiated 2012-09-25 09:58:16 [MgmtSrvr] ALERT -- Node 1: Node 3 Disconnected 2012-09-25 09:58:16 [MgmtSrvr] INFO -- Node 3: Node shutdown completed. 2012-09-25 09:58:16 [MgmtSrvr] INFO -- Node 4: Node shutdown completed. 2012-09-25 09:58:16 [MgmtSrvr] ALERT -- Node 1: Node 4 Disconnected 2012-09-25 09:58:20 [MgmtSrvr] INFO -- Shutting down server... 2012-09-25 09:58:43 [MgmtSrvr] INFO -- Shutdown complete26 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Overview of Main Administration Commands & Operations § Management Clients Commands: HELP, SHOW, START BACKUP, node_id START | STOP | RESTART ENTER | EXIT SINGLE USER MODE SHUTDOW, CREATE | DROP NODEGROUP CLUSTER LOG ON | OFF | INFO node_id CLUSTERLOG category=threshold § Cluster Operations: – On-line Node Add, On-line Rolling Restart28 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

NDB API & JAVA Examples SQL or NoSQL Access? You Decide! Download of Definition of Varibles: Source Code Examples CFLAGS,LDFLAGS, LD_LIBRARY_PATH,CLASSPATH 1 2 3 4 Source Code Installation of gcc-c++, Compilation & java-devel & Connector J Execution30 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster Manager Reducing Complexity, Improving Management Efficiency Reducing TCO & Creating a More Agile, Highly Available Database Environment Automated Management High Monitoring & Availability Recovery Operation34 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Oracle Premier Support for MySQL Rely on The Experts - Get Unique Benefits  Largest Team of MySQL Experts  Backed by MySQL Developers  Forward Compatible Hot Fixes Only From  MySQL Maintenance Releases Oracle  Support in 29 Languages  Direct Access to MySQL Support Engineers "The rep that assisted me was  24/7/365 simply outstanding. He immediately recognized the cause  Unlimited Incidents of my problem and provided the resolution.”  Knowledge Base mysql.com/support/quotes  MySQL Consultative Support38 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Resources mysql.com dev.mysql.com eDelivery.com• TCO calculator • Community Downloads • Oracle Software Delivery Cloud• White Papers • Documentation • Download and evaluate all• Customer use cases and • Dev Articles MySQL products success stories • Forums • PlanetMySQL MySQL Support: www.mysql.com/support39 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

Summary § MySQL Cluster § Proved – Web-Scale Performance with Carrier-Grade – Deployed across Telecoms Availability Networks – SQL & NoSQL Access Methods – Powering Mission-Critical Web Applications § No Compromise – Scale-Out, Real Time Performance, 99.999% Uptime More Information www.mysql.com/cluster40 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

MySQL Cluster The default database for anyone deploying rapidly evolving, real- time transactional services at web-scale, where downtime is simply not an option41 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.42 Copyright © 2012, Oracle and/or its affiliates. All rights reserved.

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Santo Leto - MySQL Connect 2012 - Getting Started with Mysql Cluster

by Santo Leto on Oct 02, 2012

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