This project has been retired. Please refer to https://attic.apache.org/projects/vxquery.html for further details.
Chukwa is an open source data collection system for monitoring and analyzing large distributed systems. Chukwa is built on top of the Hadoop distributed filesystem (HDFS) and MapReduce framework and inherits Hadoop's scalability and robustness. Chukwa also includes a ﬂexible and powerful toolkit for displaying monitoring and analyzing results, in order to make the best use of this collected data.