Apache Commons DBCP stands for Apache Commons DataBase Connection Pooling.This package implements the vaunted connection pooling technique, a system to allow the caching of database connections, so users won't need to reconnect to the database every time...
Apache Parquet is a "columnar" data storage format that was specifically created for the Apache Hadoop family of projects. Parquet is recommended to be used with large data, mainly because it uses a complex data compression system, relying on a series of...
Apache Accumulo is a mashup of various technologies, from Google's BigTable, to Apache's Hadoop, Thrift and Zookeeper.Compared to Google's BigTable system, Accumulo features a few improvements of its own.These include table cell-based access restrictions,...
Apache Slider targets Hadoop environments and is based on the database's next generation MapReduce 2.0 standard, also known as YARN. Slider can be used to create YARN-compliant applications that interact with the underlying Hadoop database or database...
Apache Ambari allows database administrators to install, manage and monitor Hadoop clusters. Collecting metrics is done via Ganglia, while email alerts are sent out via Nagios. Amabari is basically a Web-based administration GUI for Hadoop, a tool that...
Apache Commons DbUtils is not an ORM built on JDBC, but merely a set of tools that upgrade JDBC with even more features, developed by the fine folks at the famous and hugely prodigious Apache Foundation.DbUtils simplifies the process of running a query or...
A data warehouse system is a database used for reporting and data analysis. Apache Tajo is the implementation of this concept, but specifically tailored to work with Hadoop, a powerful NoSQL database developed by Yahoo and currently managed by the Apache...
Apache Gora aims at providing a common ground on which developers can create tools that can handle large quantities of information, regardless of their underlying storage unit. Gora is written in Java and was created as an alternative to other Java ORMs...
Apache Empire-db functions like a Java ORM but it provides extra support for basic data persistence methods. This implicitly means better targeted SQL statements that provide better and more efficient query results. Empire-db is easy to use, not requiring...
Apache Torque is a middle layer that stands between your Java code and the database server.It works by taking custom Torque Java objects and converting them into compliant SQL code that can be run on the database.Besides just running SQL statements,...
