4.13 The LGMAN Block

This block, the log group manager, is responsible for handling the undo logs for Disk Data tables. It is implemented in these files in the storage/ndb/src/kernel/blocks directory:

• lgman.cpp: Implements Lgman for adding, dropping, and working with log files and file groups.

• lgman.hpp: Contains the definition for the Lgman class, used to handle undo log files. Handles allocation of log buffer space.