hadoop-lzo-0.4.20.jar

hadoop支持LZO压缩配置 将编译好后的hadoop-lzo-0.4.20.jar 放入hadoop-2.7.2/share/hadoop/common/
core-site.xml增加配置支持LZO压缩






io.compression.codecs

org.apache.hadoop.io.compress.GzipCodec,
org.apache.hadoop.io.compress.DefaultCodec,
org.apache.hadoop.io.compress.BZip2Codec,
org.apache.hadoop.io.compress.SnappyCodec,
com.hadoop.compression.lzo.LzoCodec,
com.hadoop.compression.lzo.LzopCodec




io.compression.codec.lzo.class
com.hadoop.compression.lzo.LzoCodec