NDB Cluster Internals  /  NDB Kernel Blocks  /  The LGMAN Block

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.