An area on your arm will be cleaned, and a sterile needle put into a vein (usually where your elbow bends). Removing a unit of whole blood usually takes about 10 to 15 minutes. Apheresis donation (described in the next section called â Types of donation â) may take 2 hours or longer.
Hadoop is a distributed computing (E.g. MapReduce) and storage (HDFS) framework. Hive is part of the hadoop ecosystem and provides an sql-like interface to hadoop. Redshift is a proprietary database system by Amazon. It's functionality is comparable with Hive on top of Hadoop: but lacking lots of options.
Big Data Analytics on Hadoop a new report from Ovum examines how the big data vendor ecosystem is shaping up and investigates business intelligence vendors such TIBCO Spotfire, QlikView, Roambi, Cognos, SAP Business Objects, Oracle OBIEE, and ThoughtWeb. com for applications such as the OBIEE Administrative Tools.