Mysql Cluster

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w: www.mariadb.com e: [email protected] MySQL Cluster 1. What is it? The main features are: MySQL Cluster meets the needs of next- ∫ Auto-sharding for write scalability generation web and telecommunications ∫ 99.999% availability database challenges. ∫ SQL and NoSQL APIs MySQL Cluster is a write-scalable, real-time, ∫ Real-time performance ACID-compliant transactional database. It ∫ Multi-site clusters with geographical is open source and extensively deployed replication providing 99.999% availability. ∫ Online scaling and schema upgrades MySQL Cluster has an in-memory, distributed, 2. How does it work? shared nothing, multi-master architecture with no single point of failure. It horizontally MySQL Cluster has a two layer architecture: the scales on commodity hardware, natively interface layer (SQL and NoSQL) and a storage providing auto-sharding to serve read and write layer. The nodes in the interface layer are called intensive workloads as well as offering built- API nodes and the those in the storage layer in synchronous replication using a 2-phase are called data nodes. commit protocol. The data is stored in the data nodes which also execute all transactions and associated database operations. When an API node receives an operation to execute, the node translates it’s own protocol to that of the NDB API which is the interface exposed by the data nodes. One (or more) management server(s) acts as master of the cluster configuration and as arbitrator in the event of failure of one or more nodes. 3. When to use it? ∫ When you have a huge amount of small transactions ∫ When you don’t have complex queries ∫ When you need predictable <1ms response times ∫ When you need 99.999% availability 4. Resources ∫ Download MySQL Cluster: www.mariadb.com ∫ Wikipedia: en.wikipedia.org/wiki/MySQL_Cluster www.mariadb.com.

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