Open Source 

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Impetus is actively involved in various Open Source initiatives and has been regularly making JIRA contributions to the Big Data community. Apart from patches in several projects, some of the key Impetus Open Source initiatives include

The Hadoop Toolkit
Performance always plays a significant role in distributed computing systems. We have created a patch for Hadoop with the following additional features:
  • New job/task counters
  • Number of spills (per map task)
  • Maximum memory used (by each task)
  • time mills (time spent in gc by each task)
Visit http://hadoop-toolkit.googlecode.com/

Kundera - 2.0.1
Impetus Kundera is a set of Java libraries for efficiently using the Cassandra database. It includes all the latest Cassandra developments, and by using it, developers do not have to write unnecessary code.
  • Kundera 2.0.1 is a JPA compliant, Object-Datastore Mapping Library for NoSQL Datastores
  • Currently, Kundera supports Cassandra 0.7.6, Hbase, and MongoDB
  • POJOs annotated with @Embedded are co-located with the parent entity (e.g. super column for Cassandra and embedded document for MongoDB)
  • Kundera offers control over selective index (able) columns in the entity
  • It enables switching to other data stores simply and easily, by changing the persistence unit name in the code. No further code change is required
To download and use Kundera,visit
http://github.com/impetus-opensource/Kundera/
An example of a Twitter like application built using Kundera can be found at http://github.com/impetus-opensource/Kundera-Examples

CassUI
CASSUI is a web-based database browser for the Cassandra NoSQL database. It is helpful in managing Cassandra databases in remote deployments, particularly in Cloud environments.
Visit http://cassui.googlecode.com/

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