close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_fs.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/2009/1028


Ignore:
Timestamp:
Oct 28, 2009, 5:49:57 PM (16 years ago)
Author:
waue
Comment:

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  • waue/2009/1028

    v3 v4  
    1515
    16162. 由於時間的位元長度過長，故20090101595959 已經超過 intWritable 的定址範圍
    17 改為 0101595959 用 LongWritable 宣告
     17改為 0101595959 用 longWritable 宣告
    1818
    19193. 在map 與 reduce class內宣告重要參數，需用全名，如 int 改為 Integer 較佳