8.5.0

Download

https://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• Incompatible Change. Indices and templates of ElasticSearch(6/7, including zipkin-elasticsearch7) storage option have been changed.
• Update frontend-maven-plugin to 1.11.0, for Download node x64 binary on Apple Silicon.
• Add E2E test for VM monitoring that metrics from Prometheus node-exporter.
• Upgrade lombok to 1.18.16.
• Add Java agent Dockerfile to build Docker image for Java agent.

Java Agent

• Remove invalid mysql configuration in agent.config.
• Add net.bytebuddy.agent.builder.AgentBuilder.RedefinitionStrategy.Listener to show detail message when redefine errors occur.
• Fix ClassCastException of log4j gRPC reporter.
• Fix NPE when Kafka reporter activated.
• Enhance gRPC log appender to allow layout pattern.
• Fix apm-dubbo-2.7.x-plugin memory leak due to some Dubbo RpcExceptions.
• Fix lettuce-5.x-plugin get null host in redis sentinel mode.
• Fix ClassCastException by making CallbackAdapterInterceptor to implement EnhancedInstance interface in the spring-kafka plugin.
• Fix NullPointerException with KafkaProducer.send(record).
• Support config agent.span_limit_per_segment can be changed in the runtime.
• Collect and report agent starting / shutdown events.
• Support jedis pipeline in jedis-2.x-plugin.
• Fix apm-toolkit-log4j-2.x-activation no trace Id in async log.
• Replace hbase-1.x-plugin with hbase-1.x-2.x-plugin to adapt hbase client 2.x
• Remove the close_before_method and close_after_method parameters of custom-enhance-plugin to avoid memory leaks.
• Fix bug that springmvc-annotation-4.x-plugin, witness class does not exist in some versions.
• Add Redis command parameters to 'db.statement' field on Lettuce span UI for displaying more info.
• Fix NullPointerException with ReactiveRequestHolder.getHeaders.
• Fix springmvc reactive api can't collect HTTP statusCode.
• Fix bug that asynchttpclient plugin does not record the response status code.
• Fix spanLayer is null in optional plugin(gateway-2.0.x-plugin gateway-2.1.x-plugin).
• Support @trace, @tag and @tags work for static methods.

OAP-Backend

• Allow user-defined JAVA_OPTS in the startup script.
• Metrics combination API supports abandoning results.
• Add a new concept "Event" and its implementations to collect events.
• Add some defensive codes for NPE and bump up Kubernetes client version to expose exception stack trace.
• Update the timestamp field type for LogQuery.
• Support Zabbix protocol to receive agent metrics.
• Update the Apdex metric combine calculator.
• Enhance MeterSystem to allow creating metrics with same metricName / function / scope.
• Storage plugin supports postgresql.
• Fix kubernetes.client.openapi.ApiException.
• Remove filename suffix in the meter active file config.
• Introduce log analysis language (LAL).
• Fix alarm httpclient connection leak.
• Add sum function in meter system.
• Remove Jaeger receiver.
• Remove the experimental Zipkin span analyzer.
• Upgrade the Zipkin Elasticsearch storage from 6 to 7.
• Require Zipkin receiver must work with zipkin-elasticsearch7 storage option.
• Fix DatabaseSlowStatementBuilder statement maybe null.
• Remove fields of parent entity in the relation sources.
• Save Envoy http access logs when error occurs.
• Fix wrong service_instance_sla setting in the topology-instance.yml.
• Fix wrong metrics name setting in the self-observability.yml.
• Add telemetry data about metrics in, metrics scraping, mesh error and trace in metrics to zipkin receiver.
• Fix tags store of log and trace on h2/mysql/pg storage.
• Merge indices by Metrics Function and Meter Function in Elasticsearch Storage.
• Fix receiver don't need to get itself when healthCheck
• Remove group concept from AvgHistogramFunction. Heatmap(function result) doesn't support labels.
• Support metrics grouped by scope labelValue in MAL, no need global same labelValue as before.
• Add functions in MAL to filter metrics according to the metric value.
• Optimize the self monitoring grafana dashboard.
• Enhance the export service.
• Add function retagByK8sMeta and opt type K8sRetagType.Pod2Service in MAL for k8s to relate pods and services.
• Using "service.istio.io/canonical-name" to replace "app" label to resolve Envoy ALS service name.
• Support k8s monitoring.
• Make the flushing metrics operation concurrent.
• Fix ALS K8SServiceRegistry didn't remove the correct entry.
• Using "service.istio.io/canonical-name" to replace "app" label to resolve Envoy ALS service name.
• Append the root slash(/) to getIndex and getTemplate requests in ES(6 and 7) client.
• Fix disable statement not working. This bug exists since 8.0.0.
• Remove the useless metric in vm.yaml.

UI

• Update selector scroller to show in all pages.
• Implement searching logs with date.
• Add nodejs 14 compiling.
• Fix trace id by clear search conditions.
• Search endpoints with keywords.
• Fix pageSize on logs page.
• Update echarts version to 5.0.2.
• Fix instance dependency on the topology page.
• Fix resolved url for vue-property-decorator.
• Show instance attributes.
• Copywriting grammar fix.
• Fix log pages tags column not updated.
• Fix the problem that the footer and topology group is shaded when the topology radiation is displayed.
• When the topology radiation chart is displayed, the corresponding button should be highlighted.
• Refactor the route mapping, Dynamically import routing components, Improve first page loading performance.
• Support topology of two mutually calling services.
• Implement a type of table chart in the dashboard.
• Support event in the dashboard.
• Show instance name in the trace view.
• Fix groups of services in the topography.

Documentation

• Polish documentation due to we have covered all tracing, logging, and metrics fields.
• Adjust documentation about Zipkin receiver.
• Add backend-infrastructure-monitoring doc.

All issues and pull requests are here

8.4.0

Download

https://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• Incompatible with previous releases when use H2/MySQL/TiDB storage options, due to support multiple alarm rules triggered for one entity.
• Chore: adapt create_source_release.sh to make it runnable on Linux.
• Add package to .proto files, prevent polluting top-level namespace in some languages; The OAP server supports previous agent releases, whereas the previous OAP server (<=8.3.0) won't recognize newer agents since this version (>= 8.4.0).
• Add ElasticSearch 7.10 to test matrix and verify it works.
• Replace Apache RAT with skywalking-eyes to check license headers.
• Set up test of Envoy ALS / MetricsService under Istio 1.8.2 to verify Envoy V3 protocol
• Test: fix flaky E2E test of Kafka.

Java Agent

• The operation name of quartz-scheduler plugin, has been changed as the quartz-scheduler/${className} format.
• Fix jdk-http and okhttp-3.x plugin did not overwrite the old trace header.
• Add interceptors of method(analyze, searchScroll, clearScroll, searchTemplate and deleteByQuery) for elasticsearch-6.x-plugin.
• Fix the unexpected RunningContext recreation in the Tomcat plugin.
• Fix the potential NPE when trace_sql_parameters is enabled.
• Update byte-buddy to 1.10.19.
• Fix thrift plugin trace link broken when intermediate service does not mount agent
• Fix thrift plugin collects wrong args when the method without parameter.
• Fix DataCarrier's org.apache.skywalking.apm.commons.datacarrier.buffer.Buffer implementation isn't activated in IF_POSSIBLE mode.
• Fix ArrayBlockingQueueBuffer's useless IF_POSSIBLE mode list
• Support building gRPC TLS channel but CA file is not required.
• Add witness method mechanism in the agent plugin core.
• Add Dolphinscheduler plugin definition.
• Make sampling still works when the trace ignores plug-in activation.
• Fix mssql-plugin occur ClassCastException when call the method of return generate key.
• The operation name of dubbo and dubbo-2.7.x-plugin, has been changed as the groupValue/className.methodName format
• Fix bug that rocketmq-plugin set the wrong tag.
• Fix duplicated EnhancedInstance interface added.
• Fix thread leaks caused by the elasticsearch-6.x-plugin plugin.
• Support reading segmentId and spanId with toolkit.
• Fix RestTemplate plugin recording url tag with wrong port
• Support collecting logs and forwarding through gRPC.
• Support config agent.sample_n_per_3_secs can be changed in the runtime.
• Support config agent.ignore_suffix can be changed in the runtime.
• Support DNS periodic resolving mechanism to update backend service.
• Support config agent.trace.ignore_path can be changed in the runtime.
• Added support for transmitting logback 1.x and log4j 2.x formatted & un-formatted messages via gPRC

OAP-Backend

• Make meter receiver support MAL.
• Support influxDB connection response format option. Fix some error when use JSON as influxDB response format.
• Support Kafka MirrorMaker 2.0 to replicate topics between Kafka clusters.
• Add the rule name field to alarm record storage entity as a part of ID, to support multiple alarm rules triggered for one entity. The scope id has been removed from the ID.
• Fix MAL concurrent execution issues.
• Fix group name can't be queried in the GraphQL.
• Fix potential gRPC connection leak(not closed) for the channels among OAP instances.
• Filter OAP instances(unassigned in booting stage) of the empty IP in KubernetesCoordinator.
• Add component ID for Python aiohttp plugin requester and server.
• Fix H2 in-memory database table missing issues
• Add component ID for Python pyramid plugin server.
• Add component ID for NodeJS Axios plugin.
• Fix searchService method error in storage-influxdb-plugin.
• Add JavaScript component ID.
• Fix CVE of UninstrumentedGateways in Dynamic Configuration activation.
• Improve query performance in storage-influxdb-plugin.
• Fix the uuid field in GRPCConfigWatcherRegister is not updated.
• Support Envoy {AccessLog,Metrics}Service API V3.
• Adopt the MAL in Envoy metrics service analyzer.
• Fix the priority setting doesn't work of the ALS analyzers.
• Fix bug that endpoint-name-grouping.yml is not customizable in Dockerized case.
• Fix bug that istio version metric type on UI template mismatches the otel rule.
• Improve ReadWriteSafeCache concurrency read-write performance
• Fix bug that if use JSON as InfluxDB.ResponseFormat then NumberFormatException maybe occur.
• Fix timeBucket not taking effect in EqualsAndHashCode annotation of some relationship metrics.
• Fix SharingServerConfig's propertie is not correct in the application.yml, contextPath -> restConnextPath.
• Istio control plane: remove redundant metrics and polish panel layout.
• Fix bug endpoint name grouping not work due to setting service name and endpoint name out of order.
• Fix receiver analysis error count metrics.
• Log collecting and query implementation.
• Support Alarm to feishu.
• Add the implementation of ConfigurationDiscovery on the OAP side.
• Fix bug in parseInternalErrorCode where some error codes are never reached.
• OAL supports multiple values when as numeric.
• Add node information from the Openensus proto to the labels of the samples, to support the identification of the source of the Metric data.
• Fix bug that the same sample name in one MAL expression caused IllegalArgumentException in Analyzer.analyse.
• Add the text analyzer for querying log in the es storage.
• Chore: Remove duplicate codes in Envoy ALS handler.
• Remove the strict rule of OAL disable statement parameter.
• Fix a legal metric query adoption bug. Don't support global level metric query.
• Add VM MAL and ui-template configration, support Prometheus node-exporter VM metrics that pushed from OpenTelemetry-collector.
• Remove unused log query parameters.

UI

• Fix un-removed tags in trace query.
• Fix unexpected metrics name on single value component.
• Don't allow negative value as the refresh period.
• Fix style issue in trace table view.
• Separation Log and Dashboard selector data to avoid conflicts.
• Fix trace instance selector bug.
• Fix Unnecessary sidebar in tooltips for charts.
• Refactor dashboard query in a common script.
• Implement refreshing data for topology by updating date.
• Implement group selector in the topology.
• Fix all as default parameter for services selector.
• Add icon for Python aiohttp plugin.
• Add icon for Python pyramid plugin.
• Fix topology render all services nodes when groups changed.
• Fix rk-footer utc input's width.
• Update rk-icon and rewrite rk-header svg tags with rk-icon.
• Add icon for http type.
• Fix rk-footer utc without local storage.
• Sort group names in the topology.
• Add logo for Dolphinscheduler.
• Fix dashboard wrong instance.
• Add a legend for the topology.
• Update the condition of unhealthy cube.
• Fix: use icons to replace buttons for task list in profile.
• Fix: support = in the tag value in the trace query page.
• Add envoy proxy component logo.
• Chore: set up license-eye to check license headers and add missing license headers.
• Fix prop for instances-survey and endpoints-survey.
• Fix envoy icon in topology.
• Implement the service logs on UI.
• Change the flask icon to light version for a better view of topology dark theme.
• Implement viewing logs on trace page.
• Fix update props of date component.
• Fix query conditions for logs.
• Fix style of selectors to word wrap.
• Fix logs time.
• Fix search ui for logs.

Documentation

• Update the documents of backend fetcher and self observability about the latest configurations.
• Add documents about the group name of service.
• Update docs about the latest UI.
• Update the document of backend trace sampling with the latest configuration.
• Update kafka plugin support version to 2.6.1.
• Add FAQ about Fix compiling on Mac M1 chip.

All issues and pull requests are here

8.3.0

Download

https://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• Test: ElasticSearch version 7.0.0 and 7.9.3 as storage are E2E tested.
• Test: Bump up testcontainers version to work around the Docker bug on MacOS.

Java Agent

• Support propagate the sending timestamp in MQ plugins to calculate the transfer latency in the async MQ scenarios.
• Support auto-tag with the fixed values propagated in the correlation context.
• Make HttpClient 3.x, 4.x, and HttpAsyncClient 3.x plugins to support collecting HTTP parameters.
• Make the Feign plugin to support Java 14
• Make the okhttp3 plugin to support Java 14
• Polish tracing context related codes.
• Add the plugin for async-http-client 2.x
• Fix NPE in the nutz plugin.
• Provide Apache Commons DBCP 2.x plugin.
• Add the plugin for mssql-jtds 1.x.
• Add the plugin for mssql-jdbc 6.x -> 9.x.
• Fix the default ignore mechanism isn't accurate enough bug.
• Add the plugin for spring-kafka 1.3.x.
• Add the plugin for Apache CXF 3.x.
• Fix okhttp-3.x and async-http-client-2.x did not overwrite the old trace header.

OAP-Backend

• Add the @SuperDataset annotation for BrowserErrorLog.
• Add the thread pool to the Kafka fetcher to increase the performance.
• Add contain and not contain OPS in OAL.
• Add Envoy ALS analyzer based on metadata exchange.
• Add listMetrics GraphQL query.
• Add group name into services of so11y and istio relevant metrics
• Support keeping collecting the slowly segments in the sampling mechanism.
• Support choose files to active the meter analyzer.
• Support nested class definition in the Service, ServiceInstance, Endpoint, ServiceRelation, and ServiceInstanceRelation sources.
• Support sideCar.internalErrorCode in the Service, ServiceInstance, Endpoint, ServiceRelation, and ServiceInstanceRelation sources.
• Improve Kubernetes service registry for ALS analysis.
• Add health checker for cluster management
• Support the service auto grouping.
• Support query service list by the group name.
• Improve the queryable tags generation. Remove the duplicated tags to reduce the storage payload.
• Fix the threads of the Kafka fetcher exit if some unexpected exceptions happen.
• Fix the excessive timeout period set by the kubernetes-client.
• Fix deadlock problem when using elasticsearch-client-7.0.0.
• Fix storage-jdbc isExists not set dbname.
• Fix searchService bug in the InfluxDB storage implementation.
• Fix CVE in the alarm module, when activating the dynamic configuration feature.
• Fix CVE in the endpoint grouping, when activating the dynamic configuration feature.
• Fix CVE in the uninstrumented gateways configs, when activating the dynamic configuration feature.
• Fix CVE in the Apdex threshold configs, when activating the dynamic configuration feature.
• Make the codes and doc consistent in sharding server and core server.
• Fix that chunked string is incorrect while the tag contains colon.
• Fix the incorrect dynamic configuration key bug of endpoint-name-grouping.
• Remove unused min date timebucket in jdbc deletehistory logical
• Fix "transaction too large error" when use TiDB as storage.
• Fix "index not found" in trace query when use ES7 storage.
• Add otel rules to ui template to observe Istio control plane.
• Remove istio mixer
• Support close influxdb batch write model.
• Check SAN in the ALS (m)TLS process.

UI

• Fix incorrect label in radial chart in topology.
• Replace node-sass with dart-sass.
• Replace serviceFilter with serviceGroup
• Removed "Les Miserables" from radial chart in topology.
• Add the Promise dropdown option

Documentation

• Add VNode FAQ doc.
• Add logic endpoint section in the agent setup doc.
• Adjust configuration names and system environment names of the sharing server module
• Tweak Istio metrics collection doc.
• Add otel receiver.

All issues and pull requests are here

8.2.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• Support Browser monitoring.
• Add e2e test for ALS solution of service mesh observability.
• Support compiling(include testing) in JDK11.
• Support build a single module.

Java Agent

• Support metrics plugin.
• Support slf4j logs of gRPC and Kafka(when agent uses them) into the agent log files.
• Add PROPERTIES_REPORT_PERIOD_FACTOR config to avoid the properties of instance cleared.
• Limit the size of traced SQL to avoid OOM.
• Support mount command to load a new set of plugins.
• Add plugin selector mechanism.
• Enhance the witness classes for MongoDB plugin.
• Enhance the parameter truncate mechanism of SQL plugins.
• Enhance the SpringMVC plugin in the reactive APIs.
• Enhance the SpringMVC plugin to collect HTTP headers as the span tags.
• Enhance the Kafka plugin, about @KafkaPollAndInvoke
• Enhance the configuration initialization core. Plugin could have its own plugins.
• Enhance Feign plugin to collect parameters.
• Enhance Dubbo plugin to collect parameters.
• Provide Thrift plugin.
• Provide XXL-job plugin.
• Provide MongoDB 4.x plugin.
• Provide Kafka client 2.1+ plugin.
• Provide WebFlux-WebClient plugin.
• Provide ignore-exception plugin.
• Provide quartz scheduler plugin.
• Provide ElasticJob 2.x plugin.
• Provide Spring @scheduled plugin.
• Provide Spring-Kafka plugin.
• Provide HBase client plugin.
• Provide JSON log format.
• Move Spring WebFlux plugin to the optional plugin.
• Fix inconsistent logic bug in PrefixMatch
• Fix duplicate exit spans in Feign LoadBalancer mechanism.
• Fix the target service blocked by the Kafka reporter.
• Fix configurations of Kafka report don't work.
• Fix rest template concurrent conflict.
• Fix NPE in the ActiveMQ plugin.
• Fix conflict between Kafka reporter and sampling plugin.
• Fix NPE in the log formatter.
• Fix span layer missing in certain cases, in the Kafka plugin.
• Fix error format of time in serviceTraffic update.
• Upgrade bytebuddy to 1.10.14

OAP-Backend

• Support Nacos authentication.
• Support labeled meter in the meter receiver.
• Separate UI template into multiple files.
• Provide support for Envoy tracing. Envoy tracer depends on the Envoy community.
• Support query trace by tags.
• Support composite alarm rules.
• Support alarm messages to DingTalk.
• Support alarm messages to WeChat.
• Support alarm messages to Slack.
• Support SSL for Prometheus fetcher and self telemetry.
• Support labeled histogram in the prometheus format.
• Support the status of segment based on entry span or first span only.
• Support the error segment in the sampling mechanism.
• Support SSL certs of gRPC server.
• Support labeled metrics in the alarm rule setting.
• Support to query all labeled data, if no explicit label in the query condition.
• Add TLS parameters in the mesh analysis.
• Add health check for InfluxDB storage.
• Add super dataset concept for the traces/logs.
• Add separate replicas configuration for super dataset.
• Add IN operator in the OAL.
• Add != operator in the OAL.
• Add like operator in the OAL.
• Add latest function in the prometheus analysis.
• Add more configurations in the gRPC server.
• Optimize the trace query performance.
• Optimize the CPU usage rate calculation, at least to be 1.
• Optimize the length of slow SQL column in the MySQL storage.
• Optimize the topology query, use client side component name when no server side mapping.
• Add component IDs for Python component.
• Add component ID range for C++.
• Fix Slack notification setting NPE.
• Fix some module missing check of the module manager core.
• Fix authentication doesn't work in sharing server.
• Fix metrics batch persistent size bug.
• Fix trace sampling bug.
• Fix CLR receiver bug.
• Fix end time bug in the query process.
• Fix Exporter INCREMENT mode is not working.
• Fix an error when executing startup.bat when the log directory exists
• Add syncBulkActions configuration to set up the batch size of the metrics persistent.
• Meter Analysis Language.

UI

• Add browser dashboard.
• Add browser log query page.
• Support query trace by tags.
• Fix JVM configuration.
• Fix CLR configuration.

Document

• Add the document about SW_NO_UPSTREAM_REAL_ADDRESS.
• Update ALS setup document.
• Add Customization Config section for plugin development.

All issues and pull requests are here

8.1.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

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

8.0.1

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

OAP-Backend

• Fix no-init mode is not working in ElasticSearch storage.

8.0.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• v3 protocol is added and implemented. All previous releases are incompatible with 8.x releases.
• Service, Instance, Endpoint register mechanism and inventory storage entities are removed.
• New GraphQL query protocol is provided, the legacy procotol is still supported(plan to remove at the end of this year).
• Support Prometheus network protocol. Metrics in Prometheus format could be transferred into SkyWalking.
• Python agent provided.
• All inventory caches have been removed.
• Apache ShardingSphere(4.0.0, 4.1.1) agent plugin provided.

Java Agent

• Add MariaDB plugin.
• Vert.x plugin enhancement. More cases are covered.
• Support v3 extension header.
• Fix ElasticSearch 5.x plugin TransportClient error.
• Support Correlation protocol v1.
• Fix Finagle plugin bug, in processing Noop Span.
• Make CommandService daemon to avoid blocking target application shutting down gracefully.
• Refactor spring cloud gateway plugin and support tracing spring cloud gateway 2.2.x

OAP-Backend

• Support meter system for Prometheus adoption. In future releases, we will add native meter APIs and MicroMeter(Sleuth) system.
• Support endpoint grouping.
• Add SuperDataSet annotation for storage entity.
• Add superDatasetIndexShardsFactor in the ElasticSearch storage, to provide more shards for @SuperDataset annotated entites. Typically TraceSegment.
• Support alarm settings for relationship of service, instance, and endpoint level metrics.
• Support alarm settings for database(conjecture node in tracing scenario).
• Data Model could be added in the runtime, don't depend on the bootstrap sequence anymore.
• Reduce the memory cost, due to no inventory caches.
• No buffer files in tracing and service mesh cases.
• New ReadWriteSafe cache implementation. Simplify codes.
• Provide default way for metrics query, even the metrics doesn't exist.
• New GraphQL query protocol is provided. Support the metrics type query.
• Set up length rule of service, instance, and endpoint.
• Adjust the default jks for ElasticSearch to empty.
• Fix Apdex function integer overflow issue.
• Fix profile storage issue.
• Fix TTL issue.
• Fix H2 column type bug.
• Add JRE 8-14 test for the backend.

UI

• UI dashboard is 100% configurable to adopt new metrics definited in the backend.

Document

• Add v8 upgrade document.
• Make the coverage accurate including UT and e2e tests.
• Add miss doc about collecting parameters in the profiled traces.

CVE

• Fix SQL Injection vulnerability in H2/MySQL implementation.
• Upgrade Nacos to avoid the FastJson CVE in high frequency.
• Upgrade jasckson-databind to 2.9.10.

7.0.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• SkyWalking discards the supports of JDK 1.6 and 1.7 on the java agent side. The minimal requirement of JDK is JDK8.
• Support method performance profile.
• Provide new E2E test framework.
• Remove AppVeyor from the CI, use GitHub action only.
• Provide new plugin test tool.
• Don't support SkyWalking v5 agent in-wire and out-wire protocol. v6 is required.

Java Agent

• Add lazy injection API in the agent core.
• Support Servlet 2.5 in the Struts plugin.
• Fix RestTemplate plugin ClassCastException in the Async call.
• Add Finagle plugin.
• Add test cases of H2 and struts.
• Add Armeria 0.98 plugin.
• Fix ElasticSearch plugin bug.
• Fix EHCache plugin bug.
• Fix a potential I/O leak.
• Support Oracle SID mode.
• Update Byte-buddy core.
• Performance tuning: replace AtomicInteger with AtomicIntegerFieldUpdater.
• Add AVRO plugin.
• Update to JDK 1.8
• Optimize the ignore plugin.
• Enhance the gRPC plugin.
• Add Kotlin Coroutine plugin.
• Support HTTP parameter collection in Tomcat and SpringMVC plugin.
• Add @tag annotation in the application toolkit.
• Move Lettuce into the default plugin list.
• Move Webflux into the default plugin list.
• Add HttpClient 3.x plugin.

OAP-Backend

• Support InfluxDB as a new storage option.
• Add selector in the application.yml. Make the provider activation more flexible through System ENV.
• Support sub-topology map query.
• Support gRPC SSL.
• Support HTTP protocol for agent.
• Support Nginx LUA agent.
• Support skip the instance relationship analysis if some agents doesn't have upstream address, currently for LUA agent.
• Support metrics entity name in the storage. Optional, default OFF.
• Merge the HOUR and DAY metrics into MINUTE in the ElasticSearch storage implementation. Reduce the payload for ElasticSearch server.
• Support change detection mechanism in DCS.
• Support Daily step in the ElasticSearch storage implementation for low traffic system.
• Provide profile export tool.
• Support alarm gRPC hook.
• Fix PHP language doesn't show up on the instance page.
• Add more comments in the source codes.
• Add a new metrics type, multiple linears.
• Fix thread concurrency issue in the alarm core.

UI

• Support custom topology definition.
• Support profile.

Document

• Add FAQ about python2 command required in the compiling.
• Add doc about new e2e framework.
• Add doc about the new profile feature.
• Powered-by page updated.

6.6.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• [IMPORTANT] Local span and exit span are not treated as endpoint detected at client and local. Only entry span is the endpoint. Reduce the load of register and memory cost.

• Support MiniKube, Istio and SkyWalking on K8s deployment in CI.
• Support Windows and MacOS build in GitHub Action CI.
• Support ElasticSearch 7 in official dist.
• Hundreds plugin cases have been added in GitHub Action CI process.

Java Agent

• Remove the local/exit span operation name register mechanism.
• Add plugin for JDK Threading classes.
• Add plugin for Armeria.
• Support set operation name in async span.
• Enhance webflux plugin, related to Spring Gateway plugin. Webflux plugin is in optional, due to JDK8 required.
• Fix a possible deadlock.
• Fix NPE when OAL scripts are different in different OAP nodes, mostly in upgrading stage.
• Fix bug about wrong peer in ES plugin.
• Fix NPE in Spring plugin.
• Fix wrong class name in Dubbo 2.7 conflict patch.
• Fix spring annotation inheritance problem.

OAP-Backend

• Remove the local/exit span operation name register mechanism.
• Remove client side endpoint register in service mesh.
• Service instance dependency and related metrics.
• Support min func in OAL
• Support apdex func in OAL
• Support custom ES config setting at the index level.
• Envoy ALS proto upgraded.
• Update JODA lib as bugs in UTC +13/+14.
• Support topN sample period configurable.
• Ignore no statement DB operations in slow SQL collection.
• Fix bug in docker-entrypoint.sh when using MySQL as storage

UI

• Service topology enhancement. Dive into service, instance and endpoint metrics on topo map.
• Service instance dependency view and related metrics.
• Support using URL parameter in trace query page.
• Support apdex score in service page.
• Add service dependency metrics into metrics comparison.
• Fix alarm search not working.

Document

• Update user list and user wall.
• Add document link for CLI.
• Add deployment guide of agent in Jetty case.
• Modify Consul cluster doc.
• Add document about injecting traceId into the logback with logstack in JSON format.
• ElementUI license and dependency added.

All issues and pull requests are here

6.5.0

Download

http://skywalking.apache.org/downloads/

Notice

Don't download source codes from this page.
Please follow build document, if you want to build source codes by yourself.

Project

• Compatible with 6.4.0 release
• TTL E2E test (#3437)
• Test coverage is back in pull request check status (#3503)
• Plugin tests begin to be migrated into main repo, and is in process. (#3528, #3756, #3751, etc.)
• Switch to SkyWalking CI (exclusive) nodes (#3546)
• MySQL storage e2e test. (#3648)
• E2E tests are verified in multiple jdk versions, jdk 8, 9, 11, 12 (#3657)
• Jenkins build jobs run only when necessary (#3662)

OAP-Backend

• Support dynamically configure alarm settings (#3557)
• Language of instance could be null (#3485)
• Make query max window size configurable. (#3765)
• Remove two max size 500 limit. (#3748)
• Parameterize the cache size. (#3741)
• ServiceInstanceRelation set error id (#3683)
• Makes the scope of alarm message more semantic. (#3680)
• Add register persistent worker latency metrics (#3677)
• Fix more reasonable error (#3619)
• Add GraphQL getServiceInstance instanceUuid field. (#3595)
• Support namespace in Nacos cluster/configuration (#3578)
• Instead of datasource-settings.properties, use application.yml for MySQLStorageProvider (#3564)
• Provide consul dynamic configuration center implementation (#3560)
• Upgrade guava version to support higher jdk version (#3541)
• Sync latest als from envoy api (#3507)
• Set telemetry instanced id for Etcd and Nacos plugin (#3492)
• Support timeout configuration in agent and backend. (#3491)
• Make sure the cluster register happens before streaming process. (#3471)
• Agent supports custom properties. (#3367)
• Miscellaneous bug fixes (#3567)

UI

• Feature: node detail display in topo circle-chart view.
• BugFix: the jvm-maxheap & jvm-maxnonheap is -1, free is no value
• Fix bug: time select operation not in effect
• Fix bug: language initialization failed
• Fix bug: not show instance language
• Feature: support the trace list display export png
• Feature: Metrics comparison view
• BugFix: Fix dashboard top throughput copy

Java Agent

• Spring async scenario optimize (#3723)
• Support log4j2 AsyncLogger (#3715)
• Add config to collect PostgreSQL sql query params (#3695)
• Support namespace in Nacos cluster/configuration (#3578)
• Provide plugin for ehcache 2.x (#3575)
• Supporting RequestRateLimiterGatewayFilterFactory (#3538)
• Kafka-plugin compatible with KafkaTemplate (#3505)
• Add pulsar apm plugin (#3476)
• Spring-cloud-gateway traceId does not transmit #3411 (#3446)
• Gateway compatible with downstream loss (#3445)
• Provide cassandra java driver 3.x plugin (#3410)
• Fix SpringMVC4 NoSuchMethodError (#3408)
• BugFix: endpoint grouping rules may be not unique (#3510)
• Add feature to control the maximum agent log files (#3475)
• Agent support custom properties. (#3367)

Document

• Remove travis badge (#3763)
• Replace user wall to typical users in readme page (#3719)
• Update istio docs according latest istio release (#3646)
• Use chart deploy sw docs (#3573)
• Reorganize the doc, and provide catalog (#3563)
• Committer vote and set up document. (#3496)
• Update als setup doc as istio 1.3 released (#3470)
• Fill faq reply in official document. (#3450)