THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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LZO is a lossless data compression library that favors speed over compression ratio. See http://www.oberhumer.com/opensource/lzo and http://www.lzop.org for general information about LZO and see Compressed Data Storage for information about compression in Hive.
Imagine a simple data file that has three columns
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No Format |
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SET mapreduce.output.fileoutputformat.compress.codec=com.hadoop.compression.lzo.LzopCodecLzoCodec SET hive.exec.compress.output=true SET mapreduce.output.fileoutputformat.compress=true |
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