Could you please clarify, are you opening the file in your mapper code and reading from there ?
Thanks Hemanth On Friday, February 22, 2013, Lucas Bernardi wrote: > Hello there, I'm trying to use hadoop map reduce to process an open file. The > writing process, writes a line to the file and syncs the file to readers. > (org.apache.hadoop.fs.FSDataOutputStream.sync()). > > If I try to read the file from another process, it works fine, at least > using > org.apache.hadoop.fs.FSDataInputStream. > > hadoop -fs -tail also works just fine > > But it looks like map reduce doesn't read any data. I tried using the word > count example, same thing, it is like if the file were empty for the map > reduce framework. > > I'm using hadoop 1.0.3. and pig 0.10.0 > > I need some help around this. > > Thanks! > > Lucas >