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.
The Apache Cassandra is an extremely powerful open source distributed database system that works extremely well to handle huge volumes of records spread across multiple commodity servers. It can be easily scaled to meet sudden increase in demand, meets high availability requirements, and there is no single point of failure.