Use the ELK Stack - Elasticsearch, Logstash, Kibana. Logstash is for ETL and data normalization. Kibana is for building cool visualizations. Elasticsearch for storing, processing, analysis, scaling and search.

Here are some resources:

Webinar: the Elk Stack in a Devops Environment http://www.elasticsearch.org/webinars/elk-stack-devops-envir...

Webinar: An Introduction to the ELK Stack http://www.elasticsearch.org/webinars/introduction-elk-stack...