Probably because M/R requires a key and because you want M/R to sort on
that key which is required for writing hfiles.
On 8/4/12 8:22 AM, "Ioakim Perros" <[EMAIL PROTECTED]> wrote:
>Does anyone knows why at HFileOutputFormat the API (
>suggests using as key an ImmutableBytesWritable object and as value a
>when the KeyValue object has as its field the row that each KeyValue
>will lead to ? And as I experienced, this row field is being used as the
>Thanks in advance!