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. View all posts by Arnab Ray →

Automatic Schema Synchronization in NDB Cluster 8.0: Part 2

January 22, 2020High Availability, MySQL ClusterMySQL ClusterArnab Ray

In part 1, we took a brief, high-level look at the various protocols and mechanisms used to keep the Data Dictionary (DD) of MySQL servers connected to a MySQL Cluster in synchronization with each other and with the NDB Dictionary.…

Automatic Schema Synchronization in NDB Cluster 8.0: Part 1

January 21, 2020High Availability, MySQL ClusterMySQL ClusterArnab Ray

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.…

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All posts by Arnab Ray

About Arnab Ray

Automatic Schema Synchronization in NDB Cluster 8.0: Part 2

Automatic Schema Synchronization in NDB Cluster 8.0: Part 1