Why Uber Engineering Switched from Postgres to MySQL
We’ve represented the old version in red and the new row version in green. Under the hood, Postgres uses another field holding the row version to determine which tuple is most recent. This added field lets the database determine which row tuple to serve to a transaction that may not be allowed to see the latest row version. With Postgres, the primary index and secondary indexes all point directly
Open-source MariaDB, a MySQL fork, challenges Oracle
Open-source MariaDB, a MySQL fork, challenges Oracle MariaDB, the MySQL fork database management system, is throwing down the gauntlet to Oracle by forming a foundation to promote its alternative DBMS software. MariaDB, an open-source database management system (DBMS) and MySQL fork has been gaining inroads in enterprise software and its founders formed a foundation, the MariaDB Foundation, to pro
How To Set Up A Load-Balanced MySQL Cluster
How To Set Up A Load-Balanced MySQL Cluster Version 1.0 Author: Falko Timme This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldi
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