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changes-8.10.0.md

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Changes by Version

Release Notes.

8.10.0

  • [Important] Namespace represents a subnet, such as kubernetes namespace, or 172.10... Make namespace concept as a part of service naming format.
  • [Important] Add cluster concept, also as a part of service naming format. The cluster name would be
    1. Add as {@link #SERVICE_NAME} suffix.
    2. Add as exit span's peer, ${CLUSTER} / original peer
    3. Cross Process Propagation Header's value addressUsedAtClient[index=8] (Target address of this request used on the client end).
  • Support Undertow thread pool metrics collecting.
  • Support Tomcat thread pool metric collect.
  • Remove plugin for ServiceComb Java Chassis 0.x
  • Add Guava EventBus plugin.
  • Fix Dubbo 3.x plugin's tracing problem.
  • Fix the bug that maybe generate multiple trace when invoke http request by spring webflux webclient.
  • Support Druid Connection pool metrics collecting.
  • Support HikariCP Connection pool metrics collecting.
  • Support Dbcp2 Connection pool metrics collecting.
  • Ignore the synthetic constructor created by the agent in the Spring patch plugin.
  • Add witness class for vertx-core-3.x plugin.
  • Add witness class for graphql plugin.
  • Add vertx-core-4.x plugin.
  • Renamed graphql-12.x-plugin to graphql-12.x-15.x-plugin and graphql-12.x-scenario to graphql-12.x-15.x-scenario.
  • Add graphql-16plus plugin.
  • [Test] Support to configure plugin test base images.
  • [Breaking Change] Remove deprecated agent.instance_properties configuration. Recommend agent.instance_properties_json.
  • The namespace and cluster would be reported as instance properties, keys are namespace and cluster. Notice, if instance_properties_json includes these two keys, they would be overrided by the agent core.
  • [Breaking Change] Remove the namespace from cross process propagation key.
  • Make sure the parent endpoint in tracing context from existing first ENTRY span, rather than first span only.
  • Fix the bug that maybe causing memory leak and repeated traceId when use gateway-2.1.x-plugin or gateway-3.x-plugin.
  • Fix Grpc 1.x plugin could leak context due to gRPC cancelled.
  • Add JDK ThreadPoolExecutor Plugin.
  • Support default database(not set through JDBC URL) in mysql-5.x plugin.

Documentation

  • Add link about java agent injector.
  • Update configurations doc, remove agent.instance_properties[key]=value.
  • Update configurations doc, add agent.cluster and update agent.namespace.

All issues and pull requests are here