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The following page has been changed by udanax: http://wiki.apache.org/lucene-hadoop/Hbase/HbaseShell/ShellPlans ------------------------------------------------------------------------------ A new approach of building enterprise distributed computing applications for layer of business logic level is proposed in this paper. The benefit of the system is light-weightedness of formal methods and their separate application to program features that does not need to know full semantic model of Hadoop, Hbase programs. + == Overview of a New Language Approach for parallel algebraic computation == + + ... :( + + === Example === + + ||Row Key ||<-12>Column Families || + ||<rowbgcolor="#ececec">title ||<-2> year ||<-2>length ||<-2>inColor ||<-2> studioName ||<-2> vote ||<-2> producer || + ||Star Wars ||year: || 1977 ||length: || 124 ||inColor: || true ||studioName: || Fox || vote:''user1'' || 5 || producer: || George Lucas || + || || || || || || || || || || vote:''user2'' || 2 || || || + ||Mighty Ducks ||year: || 1991 ||length: || 104 ||inColor: || true ||studioName: || Disney || vote:''user1'' || 2 || producer: || Blair Peters || + || || || || || || || || || || vote:''user3'' || 4 || || || + || || || || || || || || || || vote:''user4'' || 2 || || || + ||Wayne's World ||year: || 1992 ||length: || 95 ||inColor: || true ||studioName: || Paramount || vote:''user2'' || 3 || producer: || Penelope Spheeris || + || || || || || || || || || || vote:''user3'' || 4 || || || + ||A cold ||year: || 2006 ||length: || 39 ||inColor: || false ||studioName: || || vote:''user2'' || 1 || producer: || Minjung Chu || + ||The Spiriting away of Sen and Chihiro ||year: || 2001 ||length: || 124 ||inColor: || true ||studioName: ||Studio Ghibli || vote:''user1'' || 5 || producer: || Miyazaki hayao || + + Parallel Analysis to find an unknown pattern between length and user. + + {{{ + Hbase > A = table('movieLog_table'); + Hbase > B = A.Selection(length > 60); + Hbase > C = B.Projection('length', 'vote'); + Hbase > D = Sort C by ('length'); + Hbase > Store D to table('m_table'); + Successfully job submitted. + + Hbase > Show jobs; + }}} + + m_table : + + {{{ + Hbase > select * from m_table; + + Row Columnfamilies + ------------ -------------------------------------- + length vote ... + ------------ ----------------------- ---------- + 104 vote:user1 2(t1) ... + vote:user3 4(t1) + vote:user4 2(t1) + 124 vote:user1 5(t1) + 5(t2) + vote:user2 2(t1) + 95 vote:user2 3(t1) + vote:user3 4(t1) + + Successfully print out the selected data.(0.08 sec) + Hbase > A = matrix('m_table','vote'); + }}} + + The expected 3d-matrix A of (length by user, time dimension) would be as sampled below : + + {{{ + vote:user1 vote:user2 vote:user3 vote:user4 + ---------- ---------- ---------- ---------- ---------- + 104 2 4 2 + + 124 5 2 + 5(t2) + 95 3 4 + }}} + + TODO: Aggregate average of time series. +
