2012/2/26 Mohit Anchlia <mohitanch...@gmail.com>: > Thanks. Does it mean LZO is not installed by default? How can I install LZO?
The LZO library is released under GPL and I believe it can't be included in most distributions of Hadoop because of this (can't mix GPL with non GPL stuff). It should be easily available though. > On Sat, Feb 25, 2012 at 6:27 PM, Shi Yu <sh...@uchicago.edu> wrote: > >> Yes, it is supported by Hadoop sequence file. It is splittable >> by default. If you have installed and specified LZO correctly, >> use these: >> >> >> org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputForma >> t.setCompressOutput(job,true); >> >> org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputForma >> t.setOutputCompressorClass(job,com.hadoop.compression.lzo.LzoC >> odec.class); >> >> org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputForma >> t.setOutputCompressionType(job, >> SequenceFile.CompressionType.BLOCK); >> >> job.setOutputFormatClass(org.apache.hadoop.mapreduce.lib.outpu >> t.SequenceFileOutputFormat.class); >> >> >> Shi >> -- Ioan Eugen Stan http://ieugen.blogspot.com/
