At the latest AWS NYC Submit, Amazon announced "CloudWatch Logs", a log storage and monitoring feature that enables AWS customers to monitor and troubleshoot systems and applications using system, application and custom log files. CloudWatch Logs currently lacks some of the essential log management capabilities like search and sophisticated visualizations, nonetheless it is a major leap in functionality for CloudWatch.
CloudWatch Logs enable AWS customers to easily move logs off of individual EC2 instances into a central repository, and browse the logs via the web UI. But the most appealing feature of CloudWatch Logs is arguably the ability to monitor the logs for specific phrases, values or patterns, and generate alarms from them. CloudWatch Logs support variety of use cases: