P/Reduce based on the logic what you need
From: AMARNATH, Balachandar [mailto:balachandar.amarn...@airbus.com]
Sent: 06 March 2013 11:24
To: user@hadoop.apache.org
Subject: RE: Map reduce technique
Thanks for the mail,
Can u please share few links to start with?
Regards
Bala
From: Samir Kumar Das
Thanks for the mail,
Can u please share few links to start with?
Regards
Bala
From: Samir Kumar Das Mohapatra [mailto:dasmo...@adobe.com]
Sent: 06 March 2013 11:21
To: user@hadoop.apache.org
Subject: RE: Map reduce technique
I think you have to look the sequence file as input format
I think you have to look the sequence file as input format .
Basically, the way this works is, you will have a separate Java process that
takes several image files, reads the ray bytes into memory, then stores the
data into a key-value pair in a SequenceFile. Keep going and keep writing into
Hi Balachandar,
In MapReduce, interpreting input files as key value pairs is accomplished
through InputFormats. Some common InputFormats are TextInputFormat, which
uses lines in a text file as values and their byte offset into the file as
keys, KeyValueTextInputFormat, which interprets the first