Changes 7.0.0

7.0.0

Project

• SkyWalking discards the supports of JDK 1.6 and 1.7 on the java agent side. The minimal requirement of JDK is JDK8.
• Support method performance profile.
• Provide new E2E test framework.
• Remove AppVeyor from the CI, use GitHub action only.
• Provide new plugin test tool.
• Don't support SkyWalking v5 agent in-wire and out-wire protocol. v6 is required.

Java Agent

• Add lazy injection API in the agent core.
• Support Servlet 2.5 in the Struts plugin.
• Fix RestTemplate plugin ClassCastException in the Async call.
• Add Finagle plugin.
• Add test cases of H2 and struts.
• Add Armeria 0.98 plugin.
• Fix ElasticSearch plugin bug.
• Fix EHCache plugin bug.
• Fix a potential I/O leak.
• Support Oracle SID mode.
• Update Byte-buddy core.
• Performance tuning: replace AtomicInteger with AtomicIntegerFieldUpdater.
• Add AVRO plugin.
• Update to JDK 1.8
• Optimize the ignore plugin.
• Enhance the gRPC plugin.
• Add Kotlin Coroutine plugin.
• Support HTTP parameter collection in Tomcat and SpringMVC plugin.
• Add @Tag annotation in the application toolkit.
• Move Lettuce into the default plugin list.
• Move Webflux into the default plugin list.
• Add HttpClient 3.x plugin.

OAP-Backend

• Support InfluxDB as a new storage option.
• Add selector in the application.yml. Make the provider activation more flexible through System ENV.
• Support sub-topology map query.
• Support gRPC SSL.
• Support HTTP protocol for agent.
• Support Nginx LUA agent.
• Support skip the instance relationship analysis if some agents doesn't have upstream address, currently for LUA agent.
• Support metrics entity name in the storage. Optional, default OFF.
• Merge the HOUR and DAY metrics into MINUTE in the ElasticSearch storage implementation. Reduce the payload for ElasticSearch server.
• Support change detection mechanism in DCS.
• Support Daily step in the ElasticSearch storage implementation for low traffic system.
• Provide profile export tool.
• Support alarm gRPC hook.
• Fix PHP language doesn't show up on the instance page.
• Add more comments in the source codes.
• Add a new metrics type, multiple linears.
• Fix thread concurrency issue in the alarm core.

UI

• Support custom topology definition.

Document

• Add FAQ about python2 command required in the compiling.
• Add doc about new e2e framework.
• Add doc about the new profile feature.
• Powered-by page updated.

All issues and pull requests are here