Re: How does mapreduce job determine the compress codec

2013-12-16 Thread Jiayu Ji
, and open it in the form of hex bytes with tools like UltraEdit, and have a look at its heading contents. 2013/12/14 Jiayu Ji jiayu...@gmail.com Hi I am having this question on how does mapreduce job determine the compress codec on hdfs. From what I read on the definitive guide (page 86

Re: How does mapreduce job determine the compress codec

2013-12-15 Thread Jiayu Ji
at its heading contents. 2013/12/14 Jiayu Ji jiayu...@gmail.com Hi I am having this question on how does mapreduce job determine the compress codec on hdfs. From what I read on the definitive guide (page 86), the CompressionCodecFactory provides a way of mapping a filename extension

Re: How does mapreduce job determine the compress codec

2013-12-15 Thread Azuryy Yu
...@gmail.com Hi I am having this question on how does mapreduce job determine the compress codec on hdfs. From what I read on the definitive guide (page 86), the CompressionCodecFactory provides a way of mapping a filename extension to a CompressionCodec using its getCodec() method. I did a test

How does mapreduce job determine the compress codec

2013-12-13 Thread Jiayu Ji
Hi I am having this question on how does mapreduce job determine the compress codec on hdfs. From what I read on the definitive guide (page 86), the CompressionCodecFactory provides a way of mapping a filename extension to a CompressionCodec using its getCodec() method. I did a test with a lzo

Re: How does mapreduce job determine the compress codec

2013-12-13 Thread Tao Xiao
mapreduce job determine the compress codec on hdfs. From what I read on the definitive guide (page 86), the CompressionCodecFactory provides a way of mapping a filename extension to a CompressionCodec using its getCodec() method. I did a test with a lzo compressed file without a lzo extension