Uber continues to screw its partners, now by forcing Uber Black drivers to accept UberX fares. In whatâs becoming a recurring theme for Uber, the on-demand transportation company is facing yet another major backlash from drivers. Add that to the fights itâs encountering around the globe with taxi industries and regulators.
Helenos is a graphical user interface for Cassandra. Apache Cassandra is an open source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure.assandra's data model is a partitioned row store with tunable consistency. Rows are organized into tables; the first component of a table's primary key is the partition key; within a partition, rows are clustered by the remaining columns of the key.
Brisk uses the Cassandra database to replace Hadoop's HDFS filesystem and the HBase database. Both HBase and Cassandra can deal with large data sets, and provide high transaction rates and low latency lookups.Both allow map-reduce processing to be run against the database when aggregation or parallel processing is required.adoop has shown rapid adoption in the enterprise, and is undoubtedly the leading technology in big data data processing. The foundation of the Hadoop system is the Hadoop Distributed Filesystem (HDFS) which can store massive distributed unstructured data sets.