Amazon Web Services hopes to entice more Hadoop users to its Elastic MapReduce service with new virtual servers, one of which has 262GB of memory and 6.4TB of storage for big-data analytics. On Tuesday, the company launched 12 new virtual servers or instances that organizations can use to run their applications using Elastic MapReduce clusters. Potential applications include Web indexing, data mining, log file analysis, financial analysis, scientific simulation and bioinformatics research.