[K]ernel Layer                                                               
    [2]-Phase Commit                                                           
      [G]lobal [T]ransaction [E]ntry                                           
        X$K2GTE  - Current 2PC tx                                              
        X$K2GTE2 - Current 2PC tx                                              
    [C]ache Layer                                                              
      [B]uffer Management                                                      
        Buffer [H]ash                                                          
          X$BH - Hash Table                                                    
        Buffer LRU Statistics                                                  
          X$KCBCBH - [C]urrent [B]uffers (buckets) - lru_statistics            
&nbs