This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
It seems that I was able to create custom indexes based on InputSplit. Performances have been greatly improved on my test environment, but is there any hadoop guru here that could review my implementation to make sure I did it on the right way ? E.g I will not get undesired side effects when using on production ?
Indexing on mapreduce