ndb/src/kernel/blocks/dbtux/DbtuxDebug.cpp:
  tux optim 15 - binary search on bounding node when adding entry
ndb/src/kernel/blocks/dbtux/DbtuxMaint.cpp:
  tux optim 15 - binary search on bounding node when adding entry
ndb/src/kernel/blocks/dbtux/DbtuxSearch.cpp:
  tux optim 15 - binary search on bounding node when adding entry
ndb/src/kernel/blocks/dbtux/Times.txt:
  tux optim 15 - binary search on bounding node when adding entry