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

Changes between Version 3 and Version 4 of waue/2009/0716


Ignore:
Timestamp:
Jul 16, 2009, 5:49:09 PM (16 years ago)
Author:
waue
Comment:

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  • waue/2009/0716

    v3 v4  
    11
    2  = 以下在run time時有錯 =
     2 = map 的 key 為 LongWritable ，然而此key轉型為Text會遇到些run-time-error =
    33
    44 原因：Type mismatch in key from map: expected org.apache.hadoop.io.LongWritable, recieved org.apache.hadoop.io.Text