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†                           †       
                                                                                             †                    
                                                                     
             Hbase, Cassandra
     Sherpa, MySQL
                                MyCassandra
 Storage
    SSTable
              MySQL
 Write
      Sequen5al 
           Key lookup
 Read
       Diff Merge 
           Single Read
      
      Write‐Op5mized        Read‐Op5mized
                Write/Read                            

                            
                    
   +
                               
                                            
                                                                                                                             
                                                         
     connec5on         put/get                                              


                               
                                         Apache Cassandra
                                   YCSB                 Num of Replica:2
                     : SSTable, MySQL, Redis 
      : MyCassndra×6, YCSB               ×1 
       : 1KB ASCII           Row×2,400        
 Write:Read      : [100:0][50:50][5:95][0:100]




                                                              Consistent Hashing                                          
                                                                                                       
                                                                                    
                                                              Facebook, TwiQer, Digg                                 


                                                                                                          
                                                                                                                                  
                                                                           ,                                 




                                                             Network Proximity                     
                                                                                      

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  • 1. † †  Hbase, Cassandra Sherpa, MySQL MyCassandra Storage SSTable MySQL Write Sequen5al  Key lookup Read Diff Merge  Single Read Write‐Op5mized  Read‐Op5mized Write/Read     +    connec5on put/get   Apache Cassandra   YCSB   Num of Replica:2   : SSTable, MySQL, Redis    : MyCassndra×6, YCSB ×1    : 1KB ASCII Row×2,400    Write:Read : [100:0][50:50][5:95][0:100]  Consistent Hashing          Facebook, TwiQer, Digg        ,  Network Proximity