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 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 Cassandra was initially built by Facebook for their own servers and services, using principles developed by Google and Amazon for BigTable and DynamoDB. Currently the project was donated to the Apache Foundation who continues to developed it...
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 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...
Apache CouchDB was initially developed at IBM and donated later on to the Apache Software Foundation.Compared to other databases around, CouchDB is still very young, but this has not stopped it from gathering quite a following in its short lifespan.The...
A pipeline is a concatenation of operations to perform a specific job, arranged so that the output of each element is the input of the next.Apache Crunch provides an easier method of dealing with Apache Hadoop MapReduce pipelines.Crunch simplifies this...
Apache Derby is one of the first database engines the Apache Software foundation hosted under its umbrella before big names like Yahoo's Hadoop, Facebook's Cassandra, or IBM's CouchDB were also donated to it. Coded from the beginning to...
Apache Drill was created to allow developers to query up to 10,000 servers and handle petabytes of query data within seconds. Drill is Apache's response to Google's Dremel package, providing an open source solution for running large data...
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...
