MYSQL

MySQL Cluster Carrier Grade Edition

MySQL Cluster Carrier Grade Edition ,[object Object],[object Object],[object Object],[object Object]

Basic Cluster Architecture Application Nodes (NDB API and/or MySQL Server) ‏ Data Nodes Management Nodes Clients NDB API NDB Storage Engine

Geographic Redundancy For more information on MySQL Cluster and Replication visit: http://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-replication.html ,[object Object],[object Object],Replication Cluster 1 Cluster 2

Carrier Grade Edition Overview Geographic Replication Scalability Performance High Availability Requirement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Feature Set

Carrier Grade Edition Overview Lower TCO Rapid Development Interoperability Reliability Requirement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Feature Set

What’s Different? Adaptability Performance Scalability Quality & Reliability Stability Characteristic ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Benefits

System Requirements COTS – Advanced TCA 32 & 64-bit x86, PowerPC & SPARC Hardware Varies on size of database, # of hosts, # of replicas Memory Linux (Red Hat, SuSE), Solaris, HP-UX, Mac OSX, others… Operating System 100 Mbps or better (Gigabit recommended, SCI supported) ‏ Network Shared-Nothing - Memory & Disk Data SCSI or RAID for I/O performance Storage Maximum of 255 total nodes (48 Data Nodes) ‏ Hosts Requirement System Component

NDB Storage Engine ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Currently not supported: - Foreign Keys - Full-text Search - Microsoft Windows

Data Distribution & Partitioning P1 - Primary P2 - Replica P1 - Replica P2 - Primary data data data data col2 data data 4 data data 3 data data 2 data data 1 col3 col1 PK Two Data Nodes * Complete copy of database on each node Two Replicas * Two copies of each partition One Node Group * One set of identical Data Nodes Partitions - Automatic or User-Defined - Horizontal - MD5 hash of Primary Key Node Group

Data Distribution & Partitioning P1 - Primary P2 - Replica P1 - Replica P2 - Primary P3 - Primary P4 - Replica P3 - Replica P4 - Primary Four Data Nodes * Half of database on each node Two Replicas * Two copies of each partition Two Node Groups * Two sets of identical Data Nodes Node Group 0 Node Group 1 data data data data col2 data data 4 data data 3 data data 2 data data 1 col3 col1 PK

Design Considerations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Detecting Lost Connections - Heartbeats

Data Node Failure & Recovery ,[object Object],[object Object],P1 - Primary P2 - Replica P1 - Replica P2 - Primary P3 - Primary P4 - Replica P3 - Replica P4 - Primary 1 3 2 4 Node Group 0 Node Group 1

Network Partitioning – Avoiding “Split Brain” ,[object Object],[object Object],X Application Nodes (NDB API and/or MySQL Server) ‏ Data Nodes Management Nodes NDB API

Queries and Transactions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MySQL Cluster NDB API ,[object Object],[object Object],[object Object],[object Object],[object Object],For more information about the NDB API Developers’ Guide visit: http://dev.mysql.com/doc/ndbapi/en/index.html

Linear Scalability ,[object Object],[object Object],[object Object],[object Object],[object Object]

Reliability: Checkpoints ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],LCP UNDO Log

Reliability: Checkpoints ,[object Object],[object Object],[object Object],[object Object],[object Object],GCP REDO Log GCP Transactions Synchronized

Where is MySQL Cluster CGE used ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://www.mysql.com/industry/telecom/

[object Object],[object Object],[object Object],[object Object],Customer Snapshots

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