Changes 8.1.0

8.1.0

Project

• Support Kafka as an optional trace, JVM metrics, profiling snapshots and meter system data transport layer.
• Support Meter system, including the native metrics APIs and the Spring Sleuth adoption.
• Support JVM thread metrics.

Java Agent

• [Core] Fix the concurrency access bug in the Concurrency ClassLoader Case.
• [Core] Separate the config of the plugins from the core level.
• [Core] Support instrumented class cached in memory or file, to be compatible with other agents, such as Arthas.
• Add logic endpoint concept. Could analysis any span or tags flagged by the logic endpoint.
• Add Spring annotation component name for UI visualization only.
• Add support to trace Call procedures in MySQL plugin.
• Support GraphQL plugin.
• Support Quasar fiber plugin.
• Support InfluxDB java client plugin.
• Support brpc java plugin
• Support ConsoleAppender in the logback v1 plugin.
• Enhance vert.x endpoint names.
• Optimize the code to prevent mongo statements from being too long.
• Fix WebFlux plugin concurrency access bug.
• Fix ShardingSphere plugins internal conflicts.
• Fix duplicated Spring MVC endpoint.
• Fix lettuce plugin sometimes trace doesn‘t show span layer.
• Fix @Tag returnedObject bug.

OAP-Backend

• Support Jetty Server advanced configurations.
• Support label based filter in the prometheus fetcher and OpenCensus receiver.
• Support using k8s configmap as the configuration center.
• Support OAP health check, and storage module health check.
• Support sampling rate in the dynamic configuration.
• Add endpoint_relation_sla and endpoint_relation_percentile for endpoint relationship metrics.
• Add components for Python plugins, including Kafka, Tornado, Redis, Django, PyMysql.
• Add components for Golang SDK.
• Add Nacos 1.3.1 back as an optional cluster coordinator and dynamic configuration center.
• Enhance the metrics query for ElasticSearch implementation to increase the stability.
• Reduce the length of storage entity names in the self-observability for MySQL and TiDB storage.
• Fix labels are missing in Prometheus analysis context.
• Fix column length issue in MySQL/TiDB storage.
• Fix no data in 2nd level aggregation in self-observability.
• Fix searchService bug in ES implementation.
• Fix wrong validation of endpoint relation entity query.
• Fix the bug caused by the OAL debug flag.
• Fix endpoint dependency bug in MQ and uninstrumented proxy cases.
• Fix time bucket conversion issue in the InfluxDB storage implementation.
• Update k8s client to 8.0.0

UI

• Support endpoint dependency graph.
• Support x-scroll of trace/profile page
• Fix database selector issue.
• Add the bar chart in the UI templates.

Document

• Update the user logo wall.
• Add backend configuration vocabulary document.
• Add agent installation doc for Tomcat9 on Windows.
• Add istioctl ALS commands for the document.
• Fix TTL documentation.
• Add FAQ doc about thread instrumentation.

CVE

• Fix fuzzy query sql injection in the MySQL/TiDB storage.

All issues and pull requests are here