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.
Apache Hadoop YARN. Part of the core Hadoop project, YARN is the architectural center of Hadoop that allows multiple data processing engines such as interactive SQL, real-time streaming, data science and batch processing to handle data stored in a single platform, unlocking an entirely new approach to analytics.