close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_core.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 4 and Version 5 of waue/2009/0715


Ignore:
Timestamp:
Jul 15, 2009, 5:06:12 PM (17 years ago)
Author:
waue
Comment:

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  • waue/2009/0715

    v4 v5  
    22 * 整理出hadoop programming 的完全公式
    33
    4  ||   || 輸入 key || || 輸入 value  || 輸出 Key  || 輸出 Value  ||   ||
    5  || Mapper||  <  || A  || B  || C  || D || >  ||
     4 ||  ||  || 輸入 key || || 輸入 value||   || 輸出 Key||   || 輸出 Value||   ||   ||
     5 || Mapper||  <  || A || , || B || , || C || , || D || , || >  ||
    66 || map|| (  || A  || B  || OutputCollector < C , D >  || Reporter reporter  ||  ) ||
    77 ||  output|| . || collect(  || c  || d  || )  ||   ||