Structure

Ndbd_mem_allocator
Handles allocation on 32k blocks
Provides Buddy allocation of max 8G objects

SuperPool 8k (chunk size 64k)
GroupPool - Metadata
  DICT::RopePool

GroupPool - Disk operations
  TUP::Page request
  PGMAN::Page request
  LGMAN::Log waiter
  LGMAN::Log syncer

GroupPool - Disk space
  Tsman::Datafile
  Tsman::Tablespace
  Lgman::Undofile
  Lgman::Logfilegroup
  TUP::Extent alloc info

SuperPool 32k
  TUP Undo buffer
  SUMA GCI buffer
  Pgman::PageEntry

Direct Ndbd_mem_allocator
  Pgman::GlobalPage - 
  TUP PageMan
  Restore
  Backup
  Lgman::Logbuffer
