In this version, PMC changes the whole code structure of apm-collector.

Features

• Refactor collector for new modulization core. Now, you can switch or extend the module implementations.(PMC)
• Provide a stream analysis(aggregation) core in collector, based on graph define. This makes contributors and secondary development team easier to extend features.(PMC)
• Provide a protection mechanism in agent. User can set the limit of span amount per segment, default 300. The config key in agent.confg is agent.span_limit_per_segment. (PMC)

# The max amount of spans in a single segment.
# Through this config item, skywalking keep your application memory cost estimated.
# agent.span_limit_per_segment=300

• Support Java8 JVM metrics. (@neeuq)
• Move documents to /docs. WIKI is not updated since this version, and will be closed in some month later.(PMC)

Bugs

• SpringMVC Plugin can't work with Spring AOP.(PMC)