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6.3.0
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@wu-sheng wu-sheng released this 08 Aug 12:26
· 3124 commits to master since this release
v6.3.0
f21be8f

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Project

  • e2e tests have been added, and verify every pull request.
  • Use ArrayList to replace LinkedList in DataCarrier for much better performance.
  • Add plugin instrumentation definition check in CI.
  • DataCarrier performance improvement by avoiding false-sharing.

Java Agent

  • Java agent supports JDK 9 - 12, but don't support Java Module yet.
  • Support JVM class auto instrumentation, cataloged as bootstrap plugin.
  • Support JVM HttpClient and HttpsClient plugin.[Optional]
  • Support backend upgrade without rebooting required.
  • Open Redefine and Retransform by other agents.
  • Support Servlet 2.5 in Jetty, Tomcat and SpringMVC plugins.
  • Support Spring @async plugin.
  • Add new config item to restrict the length of span#peer.
  • Refactor ContextManager#stopSpan.
  • Add gRPC timeout.
  • Support Logback AsyncAppender print tid
  • Fix gRPC reconnect bug.
  • Fix trace segment service doesn't report onComplete.
  • Fix wrong logger class name.
  • Fix gRPC plugin bug.
  • Fix ContextManager.activeSpan() API usage error.

Backend

  • Support agent reset command downstream when the storage is erased, mostly because of backend upgrade.
  • Backend stream flow refactor.
  • High dimensionality metrics(Hour/Day/Month) are changed to lower priority, to ease the storage payload.
  • Add OAP metrics cache to ease the storage query payload and improve performance.
  • Remove DataCarrier in trace persistent of ElasticSearch storage, by leveraging the elasticsearch bulk queue.
  • OAP internal communication protocol changed. Don't be compatible with old releases.
  • Improve ElasticSearch storage bulk performance.
  • Support etcd as dynamic configuration center.
  • Simplify the PxxMetrics and ThermodynamicMetrics functions for better performance and GC.
  • Support JVM metrics self observability.
  • Add the new OAL runtime engine.
  • Add gRPC timeout.
  • Add Charset in the alarm web hook.
  • Fix buffer lost.
  • Fix dirty read in ElasticSearch storage.
  • Fix bug of cluster management plugins in un-Mixed mode.
  • Fix wrong logger class name.
  • Fix delete bug in ElasticSearch when using namespace.
  • Fix MySQL TTL failure.
  • Totally remove IDs can't be null log, to avoid misleading.
  • Fix provider has been initialized repeatedly.
  • Adjust providers conflict log message.
  • Fix using wrong gc time metrics in OAL.

UI

  • Fix refresh is not working after endpoint and instance changed.
  • Fix endpoint selector but.
  • Fix wrong copy value in slow traces.
  • Fix can't show trace when it is broken partially(Because of agent sampling or fail safe).
  • Fix database and response time graph bugs.

Document

  • Add bootstrap plugin development document.
  • Alarm documentation typo fixed.
  • Clarify the Docker file purpose.
  • Fix a license typo.
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