LTI Capabilities. 1  Materials Tested â metals, elastomers and plastic. 2  Test Methods Rockwell and Superficial Rockwell â used to assist in determining the grade of metal. 3  Test Specimens â all hardness test specimens can be prepared at LTI.
Contrasting Hadoop & Apache Cassandra â¢ Apache Cassandra is a NoSQL database ideal for high-speed, online transactional data, while Hadoop is a big data analytics system that focuses on data warehousing and data lake use cases.
Characteristics of Cassandra 1  : It is a column-oriented database. 2  Highly consistent, fault-tolerant, and scalable. 3  It was created at Facebook and later open sourced. 4  The data model is based on Google Bigtable. 5  The distributed design is based on Amazon Dynamo.