Hello,
I have a binary file of integers and I would like an input format that
generates pairs key,value, where value is an integer in the file and key
the position of the integer in the file. Which class should I use? (i.e.
I'm looking for a kind of TextinputFormat for binary files)
Thank you
Hi Mohammad,
SequenceFileInputFormathttp://hadoop.apache.org/mapreduce/docs/r0.21.0/api/org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html
requires
the file to be a sequence of key/value stored in binary (i.e., the key is
stored in the file). In my case, the key is implicitly
Hi Francesco
TextInputFormat reads line by line based on '\n' by default, there the key
values is the position offset and the line contents respectively. But in
your case it is just a sequence of integers and also it is Binary. Also you
require the offset for each integer value and not offset by
