8.4.4 The DBDICT Block

This block, the data dictionary block, is found in storage/ndb/src/kernel/blocks/dbdict. Data dictionary information is replicated to all DICT blocks in the cluster. This is the only block other than DBTC to which applications can send direct requests.

DBDICT is responsible for managing metadata (using the master data node) including the definitions for tables, columns, indexes, tablespaces, log files, log file groups, and other data objects.

This block is implemented in the following files: