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skywalking/CHANGES.md

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Release Notes.

9.0.0

Project

  • Upgrade log4j2 to 2.17.1 for CVE-2021-44228, CVE-2021-45046, CVE-2021-45105 and CVE-2021-44832. This CVE only effects on JDK if JNDI is opened in default. Notice, using JVM option -Dlog4j2.formatMsgNoLookups=true or setting the LOG4J_FORMAT_MSG_NO_LOOKUPS=”true” environment variable also avoids CVEs.
  • Upgrade maven-wrapper to 3.1.0, maven to 3.8.4 for performance improvements and ARM more native support.
  • Exclude unnecessary libs when building under JDK 9+.
  • Migrate base Docker image to eclipse-temurin as adoptopenjdk is deprecated.
  • Add E2E test under Java 17.
  • Upgrade protoc to 3.19.2.
  • Add Istio 1.13.1 to E2E test matrix for verification.
  • Upgrade Apache parent pom version to 25.
  • Use the plugin version defined by the Apache maven parent.
    • Upgrade maven-dependency-plugin to 3.2.0.
    • Upgrade maven-assembly-plugin to 3.3.0.
    • Upgrade maven-failsafe-plugin to 2.22.2.
    • Upgrade maven-surefire-plugin to 2.22.2.
    • Upgrade maven-jar-plugin to 3.2.2.
    • Upgrade maven-enforcer-plugin to 3.0.0.
    • Upgrade maven-compiler-plugin to 3.10.0.
    • Upgrade maven-resources-plugin to 3.2.0.
    • Upgrade maven-source-plugin to 3.2.1.
  • Update codeStyle.xml to fix incompatibility on M1's IntelliJ IDEA 2021.3.2.

OAP Server

  • Fix potential NPE in OAL string match and a bug when right-hand-side variable includes double quotes.
  • Bump up Armeria version to fix CVE.
  • Polish ETCD cluster config environment variables.
  • Add the analysis of metrics in Satellite MetricsService.
  • Fix Can't split endpoint id into 2 parts bug for endpoint ID. In the TCP in service mesh observability, endpoint name doesn't exist in TCP traffic.
  • Upgrade H2 version to 2.0.206 to fix CVE-2021-23463 and GHSA-h376-j262-vhq6.
  • Extend column name override mechanism working for ValueColumnMetadata.
  • Introduce new concept Layer and removed NodeType. More details refer to v9-version-upgrade.
  • Fix query sort metrics failure in H2 Storage.
  • Bump up grpc to 1.43.2 and protobuf to 3.19.2 to fix CVE-2021-22569.
  • Add source layer and dest layer to relation.
  • Follow protocol grammar fix GCPhrase -> GCPhase.
  • Set layer to mesh relation.
  • Add FAAS to SpanLayer.
  • Adjust e2e case for V9 core.
  • Support ZGC GC time and count metric collecting.
  • Sync proto buffers files from upstream Envoy (Related to https://github.com/envoyproxy/envoy/pull/18955).
  • Bump up GraphQL related dependencies to latest versions.
  • Add normal to V9 service meta query.
  • Support scope=ALL catalog for metrics.
  • Bump up H2 to 2.1.210 to fix CVE-2022-23221.
  • E2E: Add normal field to Service.
  • Add FreeSql component ID(3017) of dotnet agent.
  • E2E: verify OAP cluster model data aggregation.
  • Fix SelfRemoteClient self observing metrics.
  • Add env variables SW_CLUSTER_INTERNAL_COM_HOST and SW_CLUSTER_INTERNAL_COM_PORT for cluster selectors zookeeper,consul,etcd and nacos.
  • Doc update: configuration-vocabulary,backend-cluster about env variables SW_CLUSTER_INTERNAL_COM_HOST and SW_CLUSTER_INTERNAL_COM_PORT.
  • Add Python MysqlClient component ID(7013) with mapping information.
  • Support Java thread pool metrics analysis.
  • Fix IoTDB Storage Option insert null index value.
  • Set the default value of SW_STORAGE_IOTDB_SESSIONPOOL_SIZE to 8.
  • Bump up iotdb-session to 0.12.4.
  • Bump up PostgreSQL driver to fix CVE.
  • Add Guava EventBus component ID(123) of Java agent.
  • Add OpenFunction component ID(5013).
  • Expose configuration responseTimeout of ES client.
  • Support datasource metric analysis.
  • [Break Change] Keep the endpoint avg resp time meter name the same with others scope. (This may break 3rd party integration and existing alarm rule settings)
  • Add Python FastApi component ID(7014).
  • Support all metrics from MAL engine in alarm core, including Prometheus, OC receiver, meter receiver.
  • Allow updating non-metrics templates when structure changed.
  • Set default connection timeout of ElasticSearch to 3000 milliseconds.
  • Support ElasticSearch 8 and add it into E2E tests.
  • Disable indexing for field alarm_record.tags_raw_data of binary type in ElasticSearch storage.
  • Fix Zipkin receiver wrong condition for decoding gzip.
  • Add a new sampler (possibility) in LAL.
  • Unify module name receiver_zipkin to receiver-zipkin, remove receiver_jaeger from application.yaml.
  • Introduce the entity of Process type.
  • Set the length of event#parameters to 2000.
  • Limit the length of Event#parameters.
  • Support large service/instance/networkAddressAlias list query by using ElasticSearch scrolling API, add metadataQueryBatchSize to configure scrolling page size.
  • Change default value of metadataQueryMaxSize from 5000 to 10000
  • Replace deprecated Armeria API BasicToken.of with AuthToken.ofBasic.
  • Implement v9 UI template management protocol.

UI

  • Remove unused jars (log4j-api.jar) in classpath.
  • Bump up netty version to fix CVE.
  • Add Database Connection pool metric.
  • Introduce skywalking-booster-ui, remove skywalking-rocketbot-ui.

Documentation

  • Update backend-alarm.md doc, support op "=" to "==".
  • Update backend-meter.md doc .
  • Add <STAM: Enhancing Topology Auto Detection For A Highly Distributed and Large-Scale Application System> paper.
  • Add Academy menu for recommending articles.

All issues and pull requests are here

Find change logs of all versions here.