Brinellintroduced the first standardised indentation-hardness. test in 1900. The Brinellhardness testconsists in indenting the metal. surface with a 10-mm diameter steel ballat a load range of 500-3000. kg, depending of hardness of particular materials. â¢The load is applied for a standard time (~30 s), and.
What is the Apache HTTP Server Project?Â¶. The Apache HTTP Server Project is a collaborative software development effort aimed at creating a robust, commercial-grade, featureful, and freely-available source code implementation of an HTTP (Web) server.
Apache Zookeeper is a coordination service for distributed application that enables synchronization across a cluster. Zookeeper in Hadoop can be viewed as centralized repository where distributed applications can put data and get data out of it. It is used to keep the distributed system functioning together as a single unit, using its synchronization, serialization and coordination goals.