All posts by Arnab Ray

About Arnab Ray

Arnab Ray is a Lead Member Technical Staff at MySQL Cluster, Oracle. He works primarily in the area of continuous integration of all MySQL Cluster components affected by changes to the MySQL Server. This includes a special focus on the ndbcluster storage engine plugin's usage of the MySQL server's Data Dictionary.

Automatic Schema Synchronization in NDB Cluster 8.0: Part 1

High Availability, MySQL Cluster

Data nodes are the distributed, sharded storage core of MySQL NDB Cluster. Its data is usually accessed by MySQL Servers (also called SQL nodes in NDB parlance). The MySQL servers each have their own transactional Data Dictionary (DD) where all the metadata describing tables, databases, tablespaces, logfile groups, foreign keys, and other objects are stored for use by MySQL server.…