Hadoop SequcenceFile 处理多个小文件
利用sequenceFile打包多个小文件，MapFile是sequenceFile的排序形式，程序如下：
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KeXie@KeXie-PC ~/hadoop-0.20.2$ hadoop fs -cat soutputSEQorg.apache.hadoop.io.Textorg.apache.hadoop.io.Text*org.apache.hadoop.io.compress.DefaultCodec?A?=??=U?2?,a.txtx???L?,*??,,M????<?A#b.txtx??L?H???y?\???y?\@6n:c.txtx??+*??,,M????%??KeXie@KeXie-PC ~/hadoop-0.20.2$ hadoop fs -text soutputa.txt xie chen liangquanb.txt chen chen wenanwenc.txt mo anan?
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