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skywalking-java/CHANGES.md

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Changes by Version

Release Notes.

8.7.0

Project

  • Extract dependency management to a bom.
  • Add JDK 16 to test matrix.
  • DataCarrier consumer add a new event notification, call nothingToConsume method if the queue has no element to consume.

Java Agent

  • Supports modifying span attributes in async mode.
  • Agent supports the collection of JVM arguments and jar dependency information.
  • [Temporary] Support authentication for log report channel. This feature and grpc channel is going to be removed after Satellite 0.2.0 release.
  • Remove deprecated gRPC method, io.grpc.ManagedChannelBuilder#nameResolverFactory. See gRPC-java 7133 for more details.
  • Add Neo4j-4.x plugin.
  • Correct profile.duration to profile.max_duration in the default agent.config file.
  • Fix the response time of gRPC.
  • Support parameter collection for SqlServer.
  • Add ShardingSphere-5.0.0-beta plugin.
  • Fix some method exception error.

OAP-Backend

  • Disable Spring sleuth meter analyzer by default.
  • Only count 5xx as error in Envoy ALS receiver.
  • Upgrade apollo core caused by CVE-2020-15170.
  • Upgrade kubernetes client caused by CVE-2020-28052.
  • Upgrade Elasticsearch 7 client caused by CVE-2020-7014.
  • Upgrade jackson related libs caused by CVE-2018-11307, CVE-2018-14718 ~ CVE-2018-14721, CVE-2018-19360 ~ CVE-2018-19362, CVE-2019-14379, CVE-2019-14540, CVE-2019-14892, CVE-2019-14893, CVE-2019-16335, CVE-2019-16942, CVE-2019-16943, CVE-2019-17267, CVE-2019-17531, CVE-2019-20330, CVE-2020-8840, CVE-2020-9546, CVE-2020-9547, CVE-2020-9548, CVE-2018-12022, CVE-2018-12023, CVE-2019-12086, CVE-2019-14439, CVE-2020-10672, CVE-2020-10673, CVE-2020-10968, CVE-2020-10969, CVE-2020-11111, CVE-2020-11112, CVE-2020-11113, CVE-2020-11619, CVE-2020-11620, CVE-2020-14060, CVE-2020-14061, CVE-2020-14062, CVE-2020-14195, CVE-2020-24616, CVE-2020-24750, CVE-2020-25649, CVE-2020-35490, CVE-2020-35491, CVE-2020-35728 and CVE-2020-36179 ~ CVE-2020-36190.
  • Exclude log4j 1.x caused by CVE-2019-17571.
  • Upgrade log4j 2.x caused by CVE-2020-9488.
  • Upgrade nacos libs caused by CVE-2021-29441 and CVE-2021-29442.
  • Upgrade netty caused by CVE-2019-20444, CVE-2019-20445, CVE-2019-16869, CVE-2020-11612, CVE-2021-21290, CVE-2021-21295 and CVE-2021-21409.
  • Upgrade consul client caused by CVE-2018-1000844, CVE-2018-1000850.
  • Upgrade zookeeper caused by CVE-2019-0201, zookeeper cluster coordinator plugin now requires zookeeper server 3.5+.
  • Upgrade snake yaml caused by CVE-2017-18640.
  • Upgrade embed tomcat caused by CVE-2020-13935.
  • Upgrade commons-lang3 to avoid potential NPE in some JDK versions.
  • OAL supports generating metrics from events.
  • Support endpoint name grouping by OpenAPI definitions.
  • Concurrent create PrepareRequest when persist Metrics
  • Fix CounterWindow increase computing issue.
  • Performance: optimize Envoy ALS analyzer performance in high traffic load scenario (reduce ~1cpu in ~10k RPS).
  • Performance: trim useless metadata fields in Envoy ALS metadata to improve performance.
  • Fix: slowDBAccessThreshold dynamic config error when not configured.
  • Performance: cache regex pattern and result, optimize string concatenation in Envy ALS analyzer.
  • Performance: cache metrics id and entity id in Metrics and ISource.
  • Performance: enhance persistent session mechanism, about differentiating cache timeout for different dimensionality metrics. The timeout of the cache for minute and hour level metrics has been prolonged to ~5 min.
  • Performance: Add L1 aggregation flush period, which reduce the CPU load and help young GC.
  • Support connectTimeout and socketTimeout settings for ElasticSearch6 and ElasticSearch7 storages.
  • Re-implement storage session mechanism, cached metrics are removed only according to their last access timestamp, rather than first time. This makes sure hot data never gets removed unexpectedly.
  • Support session expired threshold configurable.

UI

  • Fix the date component for log conditions.
  • Fix selector keys for duplicate options.
  • Add Python celery plugin.
  • Fix default config for metrics.
  • Fix trace table for profile ui.
  • Fix the error of server response time in the topology.

Documentation

All issues and pull requests are here

Find change logs of all versions here.