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.
Cassandra (2.0) 1  Written in: Java. 2  Main point: Store huge datasets in almost SQL. 3  License: Apache. 4  Protocol: CQL3 & Thrift. 5  CQL3 is very similar to SQL, but with some limitations that come from the scalability (most notably: no JOINs, no aggregate functions.) 6  CQL3 is now the official interface.