[HADOOP-7842] a compress tool for test compress/decompress locally use hadoop compress codecs

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: io
• Labels: compression
• Assignee: Kang Xiao
• Reporter: Kang Xiao
• Created: 21/Nov/11 08:34
• Updated: 21/Nov/11 09:51

Description

add a compress tool for test compress/decompress locally use hadoop compress codecs.

It can be used as follows:

compress a.txt to a.lzo:
hadoop jar test.jar org.apache.hadoop.io.compress.CodecTool org.apache.hadoop.io.compress.LzoCodec -c 1024 1024 a.txt a.lzo

decompress a.lzo to stdout:
hadoop jar test.jar org.apache.hadoop.io.compress.CodecTool org.apache.hadoop.io.compress.LzoCodec -x 1024 1024 a.lzo /dev/stdout