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Posted to notifications@skywalking.apache.org by gi...@apache.org on 2021/04/25 06:12:29 UTC

[skywalking-website] branch asf-site updated: deploy: 14b8c3208dc9193806b013aaaf7f514611601175

This is an automated email from the ASF dual-hosted git repository.

github-bot pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/skywalking-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 19551b1  deploy: 14b8c3208dc9193806b013aaaf7f514611601175
19551b1 is described below

commit 19551b1755719a5446837f4ce16b9e855ad9eee3
Author: wu-sheng <wu...@users.noreply.github.com>
AuthorDate: Sun Apr 25 06:12:20 2021 +0000

    deploy: 14b8c3208dc9193806b013aaaf7f514611601175
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diff --git a/docs/main/latest/en/concepts-and-designs/backend-overview/index.html b/docs/main/latest/en/concepts-and-designs/backend-overview/index.html
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 <meta property="og:description" content="Events SkyWalking already supports the three pillars of observability, namely logs, metrics, and traces. In reality, a production system experiences many other events that may affect the performance of the system, such as upgrading, rebooting, chaos testing, etc. Although some of these events are reflected in the logs, many others are not. Hence, SkyWalking provides a more native way to collect these events. This doc details how SkyWalking collect [...]
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+<p>Please refer to <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">OAP Self-Observability</a></p>
 
 
 
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 Envoy tracer Envoy has its internal tracer implementation for SkyWalking. Read SkyWalking Tracer doc and SkyWalking tracing sandbox for more details." />
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 <meta itemprop="description" content="Manual instrument SDK Our incredible community has contributed to the manual instrument SDK.
  Go2Sky. Go SDK follows the SkyWalking format. C&#43;&#43;. C&#43;&#43; SDK follows the SkyWalking format.  What are the SkyWalking format and the propagation protocols? See these protocols in protocols document.
 Envoy tracer Envoy has its internal tracer implementation for SkyWalking. Read SkyWalking Tracer doc and SkyWalking tracing sandbox for more details.">
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 The meter system is open to different receivers and fetchers in the backend, see the backend setup document for more details." />
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 <meta itemprop="description" content="Meter System Meter system is another streaming calculation mode designed for metrics data. In the OAL, there are clear Scope Definitions, including definitions for native objects. Meter system is focused on the data type itself, and provides a more flexible approach to the end user in defining the scope entity.
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 <meta itemprop="description" content="Observability Analysis Language OAL(Observability Analysis Language) serves to analyze incoming data in streaming mode.
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 Why use SkyWalking? SkyWalking provides solutions for observing and monitoring distributed systems, in many different scenarios. First of all, like traditional approaches, SkyWalking provides auto instrument agents for services, such as Java, C#, Node." />
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 <meta itemprop="description" content="Overview SkyWalking is an open source observability platform used to collect, analyze, aggregate and visualize data from services and cloud native infrastructures. SkyWalking provides an easy way to maintain a clear view of your distributed systems, even across Clouds. It is a modern APM, specially designed for cloud native, container based distributed systems.
 Why use SkyWalking? SkyWalking provides solutions for observing and monitoring distributed systems, in many different scenarios. First of all, like traditional approaches, SkyWalking provides auto instrument agents for services, such as Java, C#, Node.">
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 <meta itemprop="description" content="Probe Introduction In SkyWalking, probe means an agent or SDK library integrated into a target system that takes charge of collecting telemetry data, including tracing and metrics. Depending on the target system tech stack, there are very different ways how the probe performs such tasks. But ultimately, they all work towards the same goal — to collect and reformat data, and then to send them to the backend.
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   Topology, Metrics and Trace Together. The first step to understanding a distributed system is the topology map. It visualizes the entire complex system in an easy-to-read layout." />
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 <meta itemprop="description" content="Design Goals This document outlines the core design goals for the SkyWalking project.
   Maintaining Observability. Regardless of the deployment method of the target system, SkyWalking provides an integration solution for it to maintain observability. Based on this, SkyWalking provides multiple runtime forms and probes.
   Topology, Metrics and Trace Together. The first step to understanding a distributed system is the topology map. It visualizes the entire complex system in an easy-to-read layout.">
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 SCOPE All    Name Remarks Group Key Type     name The service name of each request.  string   serviceInstanceName The name of the service instance ID.  string   endpoint The endpoint path of each request.  string   latency The time taken by each request." />
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 What does Auto Instrument mean? Many users learned about these agents when they first heard that &ldquo;Not a single line of code has to be changed&rdquo;. SkyWalking used to mention this in its readme page as well. However, this does not reflect the full picture." />
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 What does Auto Instrument mean? Many users learned about these agents when they first heard that &ldquo;Not a single line of code has to be changed&rdquo;. SkyWalking used to mention this in its readme page as well. However, this does not reflect the full picture.">
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  The term &ldquo;service mesh&rdquo; is often used to describe the networks of microservices that make up such applications and the interactions between them. As a service mesh grows in size and complexity, it can become harder to understand and manage. Its requirements can include discovery, load balancing, failure recovery, metrics, and monitoring, and often more complex operational requirements such as A/B testing, canary releases, rate limiting, access control, and end-to-end authent [...]
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  The term &ldquo;service mesh&rdquo; is often used to describe the networks of microservices that make up such applications and the interactions between them. As a service mesh grows in size and complexity, it can become harder to understand and manage. Its requirements can include discovery, load balancing, failure recovery, metrics, and monitoring, and often more complex operational requirements such as A/B testing, canary releases, rate limiting, access control, and end-to-end authent [...]
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diff --git a/docs/main/latest/en/concepts-and-designs/ui-overview/index.html b/docs/main/latest/en/concepts-and-designs/ui-overview/index.html
index 7a617cb..47c548a 100644
--- a/docs/main/latest/en/concepts-and-designs/ui-overview/index.html
+++ b/docs/main/latest/en/concepts-and-designs/ui-overview/index.html
@@ -24,13 +24,13 @@
 We know that many of our users have integrated SkyWalking into their own products. If you would like to do that too, please refer to the SkyWalking query protocol." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/concepts-and-designs/ui-overview/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Visualization">
 <meta itemprop="description" content="Visualization The SkyWalking native UI provides a default solution for visualization. It provides observability related graphs on overview, service, service instance, endpoint, trace, and alarm, such as topology maps, dependency graphs, heatmaps, etc.
 We know that many of our users have integrated SkyWalking into their own products. If you would like to do that too, please refer to the SkyWalking query protocol.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
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diff --git a/docs/main/latest/en/faq/compatible-with-other-javaagent-bytecode-processing/index.html b/docs/main/latest/en/faq/compatible-with-other-javaagent-bytecode-processing/index.html
index 4fc883f..7ae8f37 100644
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@@ -25,14 +25,14 @@
   Cause The SkyWalking agent uses ByteBuddy to transform classes when the Java application starts. ByteBuddy generates auxiliary classes with different random names every time." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/compatible-with-other-javaagent-bytecode-processing/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Compatibility with other Java agent bytecode processes">
 <meta itemprop="description" content="Compatibility with other Java agent bytecode processes Problem   When using the SkyWalking agent, some other agents, such as Arthas, can&rsquo;t work properly. https://github.com/apache/skywalking/pull/4858
   The retransform classes in the Java agent conflict with the SkyWalking agent, as illustrated in this demo
   Cause The SkyWalking agent uses ByteBuddy to transform classes when the Java application starts. ByteBuddy generates auxiliary classes with different random names every time.">
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diff --git a/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html b/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html
index 97ddd65..bb1ef41 100644
--- a/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html
+++ b/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html
@@ -24,13 +24,13 @@
 ERROR 2018-05-07 21:31:24 InstMethodsInter : class[class org.springframework.web.method.HandlerMethod] after method[getBean] intercept failure java.lang.ClassCastException: org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache cannot be cast to org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache at org.apache.skywalking.apm.plugin.spring.mvc.commons.interceptor.GetBeanInterceptor.afterMethod(GetBeanInterceptor.java:45) at org.apache.skywa [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem When you start your application with the skywalking agent, you may find this exception in your agent log which means that EnhanceRequireObjectCache cannot be casted to EnhanceRequireObjectCache. For example:
 ERROR 2018-05-07 21:31:24 InstMethodsInter : class[class org.springframework.web.method.HandlerMethod] after method[getBean] intercept failure java.lang.ClassCastException: org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache cannot be cast to org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache at org.apache.skywalking.apm.plugin.spring.mvc.commons.interceptor.GetBeanInterceptor.afterMethod(GetBeanInterceptor.java:45) at org.apache.skywa [...]
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diff --git a/docs/main/latest/en/faq/es-server-faq/index.html b/docs/main/latest/en/faq/es-server-faq/index.html
index f1ed458..c8667e4 100644
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@@ -25,14 +25,14 @@
  ERROR CODE 429.   Suppressed: org.elasticsearch.client.ResponseException: method [POST], host [http://127.0.0.1:9200], URI [/service_instance_inventory/type/6_tcc-app-gateway-77b98ff6ff-crblx.cards_0_0/_update?refresh=true&amp;timeout=1m], status line [HTTP/1.1 429 Too Many Requests] {&quot;error&quot;:{&quot;root_cause&quot;:[{&quot;type&quot;:&quot;remote_transport_exception&quot;,&quot;reason&quot;:&quot;[elasticsearch-0][10.16.9.130:9300][indices:data/write/update[s]]&quot;}],&quot; [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/es-server-faq/" />
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+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="ElasticSearch">
 <meta itemprop="description" content="ElasticSearch Some new users may encounter the following issues:
  The performance of ElasticSearch is not as good as expected. For instance, the latest data cannot be accessed after some time.  Or
  ERROR CODE 429.   Suppressed: org.elasticsearch.client.ResponseException: method [POST], host [http://127.0.0.1:9200], URI [/service_instance_inventory/type/6_tcc-app-gateway-77b98ff6ff-crblx.cards_0_0/_update?refresh=true&amp;timeout=1m], status line [HTTP/1.1 429 Too Many Requests] {&quot;error&quot;:{&quot;root_cause&quot;:[{&quot;type&quot;:&quot;remote_transport_exception&quot;,&quot;reason&quot;:&quot;[elasticsearch-0][10.16.9.130:9300][indices:data/write/update[s]]&quot;}],&quot; [...]
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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diff --git a/docs/main/latest/en/faq/hour-day-metrics-stopping/index.html b/docs/main/latest/en/faq/hour-day-metrics-stopping/index.html
index 4ea70e4..d59e982 100644
--- a/docs/main/latest/en/faq/hour-day-metrics-stopping/index.html
+++ b/docs/main/latest/en/faq/hour-day-metrics-stopping/index.html
@@ -24,13 +24,13 @@
 You may simply delete all expired *-day_xxxxx and *-hour_xxxxx(xxxxx is a timestamp) indexes. Currently, SkyWalking uses the metrics name-xxxxx and metrics name-month_xxxxx indexes only." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/hour-day-metrics-stopping/" />
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+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Why do metrics indexes with Hour and Day precisions stop updating after upgrade to 7.x?">
 <meta itemprop="description" content="Why do metrics indexes with Hour and Day precisions stop updating after upgrade to 7.x? This issue is to be expected with an upgrade from 6.x to 7.x. See the Downsampling Data Packing feature of the ElasticSearch storage.
 You may simply delete all expired *-day_xxxxx and *-hour_xxxxx(xxxxx is a timestamp) indexes. Currently, SkyWalking uses the metrics name-xxxxx and metrics name-month_xxxxx indexes only.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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     })
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 </script>
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diff --git a/docs/main/latest/en/faq/how-to-build-with-mac-m1/index.html b/docs/main/latest/en/faq/how-to-build-with-mac-m1/index.html
index eb56747..7f8d67e 100644
--- a/docs/main/latest/en/faq/how-to-build-with-mac-m1/index.html
+++ b/docs/main/latest/en/faq/how-to-build-with-mac-m1/index.html
@@ -23,12 +23,12 @@
 <meta property="og:description" content="Compiling issues on Mac&rsquo;s M1 chip Problem  When compiling according to How-to-build, The following problems may occur, causing the build to fail.  [ERROR] Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.6.1:compile (grpc-build) on project apm-network: Unable to resolve artifact: Missing: [ERROR] ---------- [ERROR] 1) com.google.protobuf:protoc:exe:osx-aarch_64:3.12.0 [ERROR] [ERROR] Try downloading the file manually [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/how-to-build-with-mac-m1/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Compiling issues on Mac&#39;s M1 chip">
 <meta itemprop="description" content="Compiling issues on Mac&rsquo;s M1 chip Problem  When compiling according to How-to-build, The following problems may occur, causing the build to fail.  [ERROR] Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.6.1:compile (grpc-build) on project apm-network: Unable to resolve artifact: Missing: [ERROR] ---------- [ERROR] 1) com.google.protobuf:protoc:exe:osx-aarch_64:3.12.0 [ERROR] [ERROR] Try downloading the file manually fr [...]
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
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diff --git a/docs/main/latest/en/faq/import-project-eclipse-requireitems-exception/index.html b/docs/main/latest/en/faq/import-project-eclipse-requireitems-exception/index.html
index 71b4db2..afaad85 100644
--- a/docs/main/latest/en/faq/import-project-eclipse-requireitems-exception/index.html
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@@ -25,14 +25,14 @@
 Resolution Download the plug-in at the link here: https://sourceforge.net/projects/eclipse-cs/?source=typ_redirect Eclipse Checkstyle Plug-in version 8.7.0.201801131309 is required." />
 <meta property="og:type" content="article" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem  When importing the SkyWalking project to Eclipse, the following errors may occur:   Software being installed: Checkstyle configuration plugin for M2Eclipse 1.0.0.201705301746 (com.basistech.m2e.code.quality.checkstyle.feature.feature.group 1.0.0.201705301746) Missing requirement: Checkstyle configuration plugin for M2Eclipse 1.0.0.201705301746 (com.basistech.m2e.code.quality.checkstyle.feature.feature.group 1.0.0.201705301746) requires &lsqu [...]
  Reason The Eclipse Checkstyle Plug-in has not been installed.
 Resolution Download the plug-in at the link here: https://sourceforge.net/projects/eclipse-cs/?source=typ_redirect Eclipse Checkstyle Plug-in version 8.7.0.201801131309 is required.">
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diff --git a/docs/main/latest/en/faq/install_agent_on_websphere/index.html b/docs/main/latest/en/faq/install_agent_on_websphere/index.html
index 5dc5b33..289e28d 100644
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@@ -24,13 +24,13 @@
 WARN 2019-05-09 17:01:35:905 SkywalkingAgent-1-GRPCChannelManager-0 ProtectiveShieldMatcher : Byte-buddy occurs exception when match type. java.lang.IllegalStateException: Cannot resolve type description for java.security.PrivilegedAction at org.apache.skywalking.apm.dependencies.net.bytebuddy.pool.TypePool$Resolution$Illegal.resolve(TypePool.java:144) at org.apache.skywalking.apm.dependencies.net.bytebuddy.pool.TypePool$Default$WithLazyResolution$LazyTypeDescription.delegate(TypePool.ja [...]
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="IllegalStateException when installing Java agent on WebSphere">
 <meta itemprop="description" content="IllegalStateException when installing Java agent on WebSphere This issue was found in our community discussion and feedback. A user installed the SkyWalking Java agent on WebSphere 7.0.0.11 and ibm jdk 1.8_20160719 and 1.7.0_20150407, and experienced the following error logs:
 WARN 2019-05-09 17:01:35:905 SkywalkingAgent-1-GRPCChannelManager-0 ProtectiveShieldMatcher : Byte-buddy occurs exception when match type. java.lang.IllegalStateException: Cannot resolve type description for java.security.PrivilegedAction at org.apache.skywalking.apm.dependencies.net.bytebuddy.pool.TypePool$Resolution$Illegal.resolve(TypePool.java:144) at org.apache.skywalking.apm.dependencies.net.bytebuddy.pool.TypePool$Default$WithLazyResolution$LazyTypeDescription.delegate(TypePool.ja [...]
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 Reason The kafka client is responsible for pulling messages from the brokers, after which the data will be processed by user-defined codes. However, only the poll action can be traced by the plug-in and the subsequent data processing work inevitably goes beyond the scope of the trace context. Thus, in order to complete tracing on the client end, manual instrumentation is required, i." />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem Tracing doesn&rsquo;t work on the Kafka consumer end.
 Reason The kafka client is responsible for pulling messages from the brokers, after which the data will be processed by user-defined codes. However, only the poll action can be traced by the plug-in and the subsequent data processing work inevitably goes beyond the scope of the trace context. Thus, in order to complete tracing on the client end, manual instrumentation is required, i.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
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+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="131">
 
 
@@ -915,7 +915,7 @@ if (!doNotTrack) {
     })
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 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
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diff --git a/docs/main/latest/en/faq/maven-compile-npm-failure/index.html b/docs/main/latest/en/faq/maven-compile-npm-failure/index.html
index c0a770d..dc1a669 100644
--- a/docs/main/latest/en/faq/maven-compile-npm-failure/index.html
+++ b/docs/main/latest/en/faq/maven-compile-npm-failure/index.html
@@ -25,14 +25,14 @@ Pay attention to keywords such as node-sass and Error: not found: python2.
 [INFO] &gt; node-sass@4.11.0 postinstall C:\XXX\skywalking\skywalking-ui\node_modules\node-sass [INFO] &gt; node scripts/build.js [ERROR] gyp verb check python checking for Python executable &quot;python2&quot; in the PATH [ERROR] gyp verb `which` failed Error: not found: python2 [ERROR] gyp verb `which` failed at getNotFoundError (C:\XXX\skywalking\skywalking-ui\node_modules\which\which." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/maven-compile-npm-failure/" />
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-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem: Maven compilation failure with error such as `Error: not found: python2`">
 <meta itemprop="description" content="Problem: Maven compilation failure with error such as Error: not found: python2 When you compile the project via Maven, it fails at module apm-webapp and the following error occurs.
 Pay attention to keywords such as node-sass and Error: not found: python2.
 [INFO] &gt; node-sass@4.11.0 postinstall C:\XXX\skywalking\skywalking-ui\node_modules\node-sass [INFO] &gt; node scripts/build.js [ERROR] gyp verb check python checking for Python executable &quot;python2&quot; in the PATH [ERROR] gyp verb `which` failed Error: not found: python2 [ERROR] gyp verb `which` failed at getNotFoundError (C:\XXX\skywalking\skywalking-ui\node_modules\which\which.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="361">
 
 
@@ -918,7 +918,7 @@ if (!doNotTrack) {
     })
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 </script>
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diff --git a/docs/main/latest/en/faq/memory-leak-enhance-worker-thread/index.html b/docs/main/latest/en/faq/memory-leak-enhance-worker-thread/index.html
index 1f1c409..92cbf89 100644
--- a/docs/main/latest/en/faq/memory-leak-enhance-worker-thread/index.html
+++ b/docs/main/latest/en/faq/memory-leak-enhance-worker-thread/index.html
@@ -24,13 +24,13 @@
 Example ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); executor.setThreadFactory(r -&gt; new Thread(RunnableWrapper.of(r))); Reason  Worker threads are enhanced when using the thread pool. Based on the design of the SkyWalking Java Agent, when tracing a cross thread, you must enhance the task thread.  Resolution   When using Thread Schedule Framework: See SkyWalking Thread Schedule Framework at SkyWalking Java agent supported list, such as Spring FrameWork @Async, which  [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/memory-leak-enhance-worker-thread/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem When using a thread pool, TraceSegment data in a thread cannot be reported and there are memory data that cannot be recycled (memory leaks).
 Example ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); executor.setThreadFactory(r -&gt; new Thread(RunnableWrapper.of(r))); Reason  Worker threads are enhanced when using the thread pool. Based on the design of the SkyWalking Java Agent, when tracing a cross thread, you must enhance the task thread.  Resolution   When using Thread Schedule Framework: See SkyWalking Thread Schedule Framework at SkyWalking Java agent supported list, such as Spring FrameWork @Async, which  [...]
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="132">
 
 
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     })
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 </script>
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diff --git a/docs/main/latest/en/faq/protoc-plugin-fails-when-build/index.html b/docs/main/latest/en/faq/protoc-plugin-fails-when-build/index.html
index 8b374e9..e902af2 100644
--- a/docs/main/latest/en/faq/protoc-plugin-fails-when-build/index.html
+++ b/docs/main/latest/en/faq/protoc-plugin-fails-when-build/index.html
@@ -23,12 +23,12 @@
 <meta property="og:description" content="Problem  In maven build, the following error may occur with the protoc-plugin:  [ERROR] Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.0:compile-custom (default) on project apm-network: Unable to copy the file to \skywalking\apm-network\target\protoc-plugins: \skywalking\apm-network\target\protoc-plugins\protoc-3.3.0-linux-x86_64.exe (The process cannot access the file because it is being used by another process) -&gt; [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/protoc-plugin-fails-when-build/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem  In maven build, the following error may occur with the protoc-plugin:  [ERROR] Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.5.0:compile-custom (default) on project apm-network: Unable to copy the file to \skywalking\apm-network\target\protoc-plugins: \skywalking\apm-network\target\protoc-plugins\protoc-3.3.0-linux-x86_64.exe (The process cannot access the file because it is being used by another process) -&gt; [H [...]
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="103">
 
 
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     })
   })()
 </script>
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diff --git a/docs/main/latest/en/faq/readme/index.html b/docs/main/latest/en/faq/readme/index.html
index 11a33aa..66b3de4 100644
--- a/docs/main/latest/en/faq/readme/index.html
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@@ -24,13 +24,13 @@
 Design  Why doesn&rsquo;t SkyWalking involve MQ in its architecture?  Compiling  Protoc plugin fails in maven build Required items could not be found when importing project into Eclipse Maven compilation failure with error such as python2 not found Compiling issues on Mac&rsquo;s M1 chip  Runtime  Version 8.x&#43; upgrade Why do metrics indexes with Hour and Day precisions stop updating after upgrade to 7." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/readme/" />
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-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="FAQs">
 <meta itemprop="description" content="FAQs These are known and frequently asked questions about SkyWalking. We welcome you to contribute here.
 Design  Why doesn&rsquo;t SkyWalking involve MQ in its architecture?  Compiling  Protoc plugin fails in maven build Required items could not be found when importing project into Eclipse Maven compilation failure with error such as python2 not found Compiling issues on Mac&rsquo;s M1 chip  Runtime  Version 8.x&#43; upgrade Why do metrics indexes with Hour and Day precisions stop updating after upgrade to 7.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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     })
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 </script>
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diff --git a/docs/main/latest/en/faq/thrift-plugin/index.html b/docs/main/latest/en/faq/thrift-plugin/index.html
index 99caa89..e8abe1e 100644
--- a/docs/main/latest/en/faq/thrift-plugin/index.html
+++ b/docs/main/latest/en/faq/thrift-plugin/index.html
@@ -25,14 +25,14 @@ Reason Because Thrift cannot carry metadata to transport Trace Header in the ori
 Thrift allows us to append any additional fields in the message even if the receiver doesn&rsquo;t deal with them. Those data will be skipped and left unread. Based on this, the 8888th field of the message is used to store Trace Header (or metadata) and to transport them." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/thrift-plugin/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem The message with Field ID, 8888, must be reserved.
 Reason Because Thrift cannot carry metadata to transport Trace Header in the original API, we transport them by wrapping TProtocolFactory.
 Thrift allows us to append any additional fields in the message even if the receiver doesn&rsquo;t deal with them. Those data will be skipped and left unread. Based on this, the 8888th field of the message is used to store Trace Header (or metadata) and to transport them.">
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     })
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diff --git a/docs/main/latest/en/faq/time-and-timezone/index.html b/docs/main/latest/en/faq/time-and-timezone/index.html
index 16956f6..b2f8c1a 100644
--- a/docs/main/latest/en/faq/time-and-timezone/index.html
+++ b/docs/main/latest/en/faq/time-and-timezone/index.html
@@ -24,13 +24,13 @@
  No traces have been sent to the collector. Traces have been sent, but the timezone of your containers is incorrect. Traces are in the collector, but you&rsquo;re not watching the correct timeframe in the UI.  No traces Be sure to check the logs of your agents to see if they are connected to the collector and traces are being sent." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/time-and-timezone/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Why can&#39;t I see any data in the UI?">
 <meta itemprop="description" content="Why can&rsquo;t I see any data in the UI? There are three main reasons no data can be shown by the UI:
  No traces have been sent to the collector. Traces have been sent, but the timezone of your containers is incorrect. Traces are in the collector, but you&rsquo;re not watching the correct timeframe in the UI.  No traces Be sure to check the logs of your agents to see if they are connected to the collector and traces are being sent.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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diff --git a/docs/main/latest/en/faq/unexpected-endpoint-register/index.html b/docs/main/latest/en/faq/unexpected-endpoint-register/index.html
index 283a4ea..6be11b0 100644
--- a/docs/main/latest/en/faq/unexpected-endpoint-register/index.html
+++ b/docs/main/latest/en/faq/unexpected-endpoint-register/index.html
@@ -24,13 +24,13 @@
 class=RegisterServiceHandler, message = Unexpected endpoint register, endpoint isn&#39;t detected from server side. This will not harm the backend or cause any issues, but serves as a reminder that your agent or other clients should follow the new protocol requirements." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/unexpected-endpoint-register/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Register mechanism is no longer required for local / exit span">
 <meta itemprop="description" content="Register mechanism is no longer required for local / exit span Since version 6.6.0, SkyWalking has removed the local and exit span registers. If an old java agent (before 6.6.0) is still running, which registers to the 6.6.0&#43; backend, you will face the following warning message.
 class=RegisterServiceHandler, message = Unexpected endpoint register, endpoint isn&#39;t detected from server side. This will not harm the backend or cause any issues, but serves as a reminder that your agent or other clients should follow the new protocol requirements.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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diff --git a/docs/main/latest/en/faq/v3-version-upgrade/index.html b/docs/main/latest/en/faq/v3-version-upgrade/index.html
index e0a7942..5b6c0a3 100644
--- a/docs/main/latest/en/faq/v3-version-upgrade/index.html
+++ b/docs/main/latest/en/faq/v3-version-upgrade/index.html
@@ -25,14 +25,14 @@ Cause In the upgrade from version 3.2.6 to 5.0.0, the existing Elasticsearch ind
 Solution Clean the data folder in ElasticSearch and restart ElasticSearch, collector and your application under monitoring." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/v3-version-upgrade/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Version 3.x -&gt; 5.0.0-alpha Upgrade FAQs">
 <meta itemprop="description" content="Version 3.x -&gt; 5.0.0-alpha Upgrade FAQs Collector Problem There is no information showing in the UI.
 Cause In the upgrade from version 3.2.6 to 5.0.0, the existing Elasticsearch indexes are kept, but aren&rsquo;t compatible with 5.0.0-alpha. When service name is registered, ElasticSearch will create this column by default type string, which will lead to an error.
 Solution Clean the data folder in ElasticSearch and restart ElasticSearch, collector and your application under monitoring.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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diff --git a/docs/main/latest/en/faq/v6-version-upgrade/index.html b/docs/main/latest/en/faq/v6-version-upgrade/index.html
index 5dc9889..8893e10 100644
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@@ -26,15 +26,15 @@ Use Canary Release Like all applications, you may upgrade SkyWalking using the c
  Deploy a new cluster by using the latest version of SkyWalking OAP cluster with the new database cluster." />
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 <meta property="og:url" content="/docs/main/latest/en/faq/v6-version-upgrade/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="V6 upgrade">
 <meta itemprop="description" content="V6 upgrade SkyWalking v6 is widely used in many production environments. Follow the steps in the guide below to learn how to upgrade to a new release.
 NOTE: The ways to upgrade are not limited to the steps below.
 Use Canary Release Like all applications, you may upgrade SkyWalking using the canary release method through the following steps.
  Deploy a new cluster by using the latest version of SkyWalking OAP cluster with the new database cluster.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
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+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="337">
 
 
@@ -921,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1134,6 +1134,10 @@ As the agent has also been enhanced in the latest versions, according to the Sky
 
 
 
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 <div
         class="sky-event-popup"
         data-startdate=""
@@ -1273,8 +1277,6 @@ As the agent has also been enhanced in the latest versions, according to the Sky
 
 
 
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 <div id="popup">
     <div class="mask">
diff --git a/docs/main/latest/en/faq/v8-version-upgrade/index.html b/docs/main/latest/en/faq/v8-version-upgrade/index.html
index 0e576f5..c865988 100644
--- a/docs/main/latest/en/faq/v8-version-upgrade/index.html
+++ b/docs/main/latest/en/faq/v8-version-upgrade/index.html
@@ -25,14 +25,14 @@ Registers in v6 and v7 have been removed in v8 for better scaling out performanc
  Use a different storage or a new namespace. You may also consider erasing the whole storage indexes or tables related to SkyWalking." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/v8-version-upgrade/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="V8 upgrade">
 <meta itemprop="description" content="V8 upgrade Starting from SkyWalking v8, the v3 protocol has been used. This makes it incompatible with previous releases. Users who intend to upgrade in v8 series releases could follow the steps below.
 Registers in v6 and v7 have been removed in v8 for better scaling out performance. Please upgrade following the instructions below.
  Use a different storage or a new namespace. You may also consider erasing the whole storage indexes or tables related to SkyWalking.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="123">
 
 
@@ -918,7 +918,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1109,6 +1109,10 @@ Then, set up the backend address to the new SkyWalking OAP cluster.</li>
 
 
 
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 <div
         class="sky-event-popup"
         data-startdate=""
@@ -1248,8 +1252,6 @@ Then, set up the backend address to the new SkyWalking OAP cluster.</li>
 
 
 
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diff --git a/docs/main/latest/en/faq/vnode/index.html b/docs/main/latest/en/faq/vnode/index.html
index 397014a..2a1484e 100644
--- a/docs/main/latest/en/faq/vnode/index.html
+++ b/docs/main/latest/en/faq/vnode/index.html
@@ -25,14 +25,14 @@ VNode is created by the UI itself, rather than being reported by the agent or tr
 How does the UI detect the missing span(s)? The UI checks the parent spans and reference segments of all spans in real time." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/vnode/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="What is VNode?">
 <meta itemprop="description" content="What is VNode? On the trace page, you may sometimes find nodes with their spans named VNode, and that there are no attributes for such spans.
 VNode is created by the UI itself, rather than being reported by the agent or tracing SDK. It indicates that some spans are missed in the trace data in this query.
 How does the UI detect the missing span(s)? The UI checks the parent spans and reference segments of all spans in real time.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="194">
 
 
@@ -918,7 +918,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1119,6 +1119,10 @@ then it creates a VNode automatically.</p>
 
 
 
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 <div
         class="sky-event-popup"
         data-startdate=""
@@ -1258,8 +1262,6 @@ then it creates a VNode automatically.</p>
 
 
 
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diff --git a/docs/main/latest/en/faq/why-have-traces-no-others/index.html b/docs/main/latest/en/faq/why-have-traces-no-others/index.html
index 23e72fa..1696e32 100644
--- a/docs/main/latest/en/faq/why-have-traces-no-others/index.html
+++ b/docs/main/latest/en/faq/why-have-traces-no-others/index.html
@@ -24,13 +24,13 @@
 Resolution Make sure the time is synchronized between collector servers and monitored application servers." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/why-have-traces-no-others/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Problem">
 <meta itemprop="description" content="Problem  There is no abnormal log in Agent log and Collector log. The traces can be seen, but no other information is available in UI.  Reason The operating system where the monitored system is located is not set as the current time zone, causing statistics collection time points to deviate.
 Resolution Make sure the time is synchronized between collector servers and monitored application servers.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="64">
 
 
@@ -915,7 +915,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1117,6 +1117,10 @@ if (!doNotTrack) {
 
 
 
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 <div
         class="sky-event-popup"
         data-startdate=""
@@ -1256,8 +1260,6 @@ if (!doNotTrack) {
 
 
 
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     <div class="mask">
diff --git a/docs/main/latest/en/faq/why_mq_not_involved/index.html b/docs/main/latest/en/faq/why_mq_not_involved/index.html
index 74aec98..9007080 100644
--- a/docs/main/latest/en/faq/why_mq_not_involved/index.html
+++ b/docs/main/latest/en/faq/why_mq_not_involved/index.html
@@ -25,14 +25,14 @@ Here&rsquo;s what we think.
 Is MQ appropriate for communicating with the OAP backend? This question arises when users consider the circumstances where the OAP cluster may not be powerful enough or becomes offline." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/faq/why_mq_not_involved/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Why doesn&#39;t SkyWalking involve MQ in its architecture?">
 <meta itemprop="description" content="Why doesn&rsquo;t SkyWalking involve MQ in its architecture? This is often asked by those who are first introduced to SkyWalking. Many believe that MQ should have better performance and should be able to support higher throughput, like the following:
 Here&rsquo;s what we think.
 Is MQ appropriate for communicating with the OAP backend? This question arises when users consider the circumstances where the OAP cluster may not be powerful enough or becomes offline.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="408">
 
 
@@ -918,7 +918,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1133,6 +1133,10 @@ The preferred way to do this would be adding a better dynamic trace sampling mec
 
 
 
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         class="sky-event-popup"
         data-startdate=""
@@ -1272,8 +1276,6 @@ The preferred way to do this would be adding a better dynamic trace sampling mec
 
 
 
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diff --git a/docs/main/latest/en/guides/asf/committer/index.html b/docs/main/latest/en/guides/asf/committer/index.html
index e652327..ff0d70c 100644
--- a/docs/main/latest/en/guides/asf/committer/index.html
+++ b/docs/main/latest/en/guides/asf/committer/index.html
@@ -25,14 +25,14 @@ In the SkyWalking, like many Apache projects, we treat contributions including,
 Committer New committer nomination In the SkyWalking, new committer nomination could only be started by existing PMC members officially." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/guides/asf/committer/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Apache SkyWalking committer">
 <meta itemprop="description" content="Apache SkyWalking committer SkyWalking Project Management Committee(PMC) takes the responsibilities to assess the contributions of candidates.
 In the SkyWalking, like many Apache projects, we treat contributions including, but not limited to, code contributions. Such as writing blog, guiding new users, give public speak, prompting project in various ways, are all treated as significant contributions.
 Committer New committer nomination In the SkyWalking, new committer nomination could only be started by existing PMC members officially.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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 <meta itemprop="wordCount" content="1410">
 
 
@@ -918,7 +918,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1259,6 +1259,10 @@ The PMC member should add the new committer to official PMC list through <a href
 
 
 
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         class="sky-event-popup"
         data-startdate=""
@@ -1398,8 +1402,6 @@ The PMC member should add the new committer to official PMC list through <a href
 
 
 
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diff --git a/docs/main/latest/en/guides/backend-oal-scripts/index.html b/docs/main/latest/en/guides/backend-oal-scripts/index.html
index 810d483..a68ebd5 100644
--- a/docs/main/latest/en/guides/backend-oal-scripts/index.html
+++ b/docs/main/latest/en/guides/backend-oal-scripts/index.html
@@ -27,16 +27,16 @@ Notice,
 If you try to add or remove some metrics, UI may break, we only recommend you to do this when you plan to build your own UI based on the customization analysis core." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/guides/backend-oal-scripts/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Official OAL script">
 <meta itemprop="description" content="Official OAL script First, read OAL introduction.
 Find OAL script at the /config/oal/*.oal of SkyWalking dist, since 8.0.0. You could change it(such as adding filter condition, or add new metrics) and reboot the OAP server, then it will affect.
 All metrics named in this script could be used in alarm and UI query.
 Notice,
 If you try to add or remove some metrics, UI may break, we only recommend you to do this when you plan to build your own UI based on the customization analysis core.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
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+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="87">
 
 
@@ -924,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1113,6 +1113,10 @@ to build your own UI based on the customization analysis core.</p>
 
 
 
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diff --git a/docs/main/latest/en/guides/backend-profile-export/index.html b/docs/main/latest/en/guides/backend-profile-export/index.html
index 088e43f..7d94b9a 100644
--- a/docs/main/latest/en/guides/backend-profile-export/index.html
+++ b/docs/main/latest/en/guides/backend-profile-export/index.html
@@ -23,12 +23,12 @@
 <meta property="og:description" content="Exporter tool of profile raw data When the visualization doesn&rsquo;t work well through the official UI, users could submit the issue to report. This tool helps the users to package the original profile data for helping the community to locate the issue in the user case. NOTICE, this report includes the class name, method name, line number, etc. Before submit this, please make sure this wouldn&rsquo;t become your system vulnerability." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/guides/backend-profile-export/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
-<meta property="article:modified_time" content="2021-04-24T15:45:39+00:00" />
+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Exporter tool of profile raw data">
 <meta itemprop="description" content="Exporter tool of profile raw data When the visualization doesn&rsquo;t work well through the official UI, users could submit the issue to report. This tool helps the users to package the original profile data for helping the community to locate the issue in the user case. NOTICE, this report includes the class name, method name, line number, etc. Before submit this, please make sure this wouldn&rsquo;t become your system vulnerability.">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="181">
 
 
@@ -912,7 +912,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -1130,6 +1130,10 @@ if (!doNotTrack) {
 
 
 
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diff --git a/docs/main/latest/en/guides/backend-profile/index.html b/docs/main/latest/en/guides/backend-profile/index.html
index 64cedbd..b49f40e 100644
--- a/docs/main/latest/en/guides/backend-profile/index.html
+++ b/docs/main/latest/en/guides/backend-profile/index.html
@@ -23,12 +23,12 @@
 <meta property="og:description" content="Thread dump merging mechanism The performance profile is an enhancement feature in the APM system. We are using the thread dump to estimate the method execution time, rather than adding many local spans. In this way, the resource cost would be much less than using distributed tracing to locate slow method. This feature is suitable in the production environment. This document introduces how thread dumps are merged into the final report as a stack t [...]
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/guides/backend-profile/" />
-<meta property="article:published_time" content="2021-04-24T15:45:39+00:00" />
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+<meta property="article:published_time" content="2021-04-24T23:57:09+00:00" />
+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Thread dump merging mechanism">
 <meta itemprop="description" content="Thread dump merging mechanism The performance profile is an enhancement feature in the APM system. We are using the thread dump to estimate the method execution time, rather than adding many local spans. In this way, the resource cost would be much less than using distributed tracing to locate slow method. This feature is suitable in the production environment. This document introduces how thread dumps are merged into the final report as a stack tree(s).">
-<meta itemprop="datePublished" content="2021-04-24T15:45:39+00:00" />
-<meta itemprop="dateModified" content="2021-04-24T15:45:39+00:00" />
+<meta itemprop="datePublished" content="2021-04-24T23:57:09+00:00" />
+<meta itemprop="dateModified" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="wordCount" content="562">
 
 
@@ -912,7 +912,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: 6c11787</div>
+                    <div class="commit-id">Commit Id: dbc62f8</div>
                   
 
 
@@ -995,7 +995,7 @@ If not, then add this element.</li>
 </li>
 </ul>
 <h2 id="profile-data-debug">Profile data debug</h2>
-<p>Please follow the <a href="../backend-profile-export#export-command-line-usage">exporter tool</a> to package profile data. Unzip the profile data and using <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/oap-server/server-tools/profile-exporter/tool-profile-snapshot-bootstrap/src/test/java/org/apache/skywalking/oap/server/tool/profile/exporter/ProfileExportedAnalyze.java">analyzer main function</a> to run it.</p>
+<p>Please follow the <a href="../backend-profile-export#export-command-line-usage">exporter tool</a> to package profile data. Unzip the profile data and using <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-tools/profile-exporter/tool-profile-snapshot-bootstrap/src/test/java/org/apache/skywalking/oap/server/tool/profile/exporter/ProfileExportedAnalyze.java">analyzer main function</a> to run it.</p>
 
 
 
@@ -1164,6 +1164,10 @@ If not, then add this element.</li>
 
 
 
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diff --git a/docs/main/latest/en/guides/component-library-settings/index.html b/docs/main/latest/en/guides/component-library-settings/index.html
index 4b2c838..51baa05 100644
--- a/docs/main/latest/en/guides/component-library-settings/index.html
+++ b/docs/main/latest/en/guides/component-library-settings/index.html
@@ -25,14 +25,14 @@ In agent or SDK, regardless of whether the library name is collected as ID or St
 Also, the collector conjectures the remote service based on the component library. For example: if the component library is MySQL Driver library, then the remote service should be MySQL Server." />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/guides/component-library-settings/" />
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+<meta property="article:modified_time" content="2021-04-24T23:57:09+00:00" />
 <meta itemprop="name" content="Component library settings">
 <meta itemprop="description" content="Component library settings Component library settings are about your own or third-party libraries used in the monitored application.
 In agent or SDK, regardless of whether the library name is collected as ID or String (literally, e.g. SpringMVC), the collector formats data in ID for better performance and less storage requirements.
 Also, the collector conjectures the remote service based on the component library. For example: if the component library is MySQL Driver library, then the remote service should be MySQL Server.">
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 For example, this is the configuration of a container in skywalking/test/e2e/e2e-test/docker/base-compose.yml. JAVA_OPTS is a preset variable for passing additional parameters in the AOP service startup command, so we only need to add the JAVA remote debugging parameters agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005 to the configuration and expose the port 5005." />
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 <meta itemprop="name" content="Using E2E local remote debugging">
 <meta itemprop="description" content="Using E2E local remote debugging The E2E remote debugging port of service containers is 5005. If the developer wants to use remote debugging, he needs to add remote debugging parameters to the start service command, and then expose the port 5005.
 For example, this is the configuration of a container in skywalking/test/e2e/e2e-test/docker/base-compose.yml. JAVA_OPTS is a preset variable for passing additional parameters in the AOP service startup command, so we only need to add the JAVA remote debugging parameters agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005 to the configuration and expose the port 5005.">
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 -Dhttp.proxyHost=proxy_ip -Dhttp." />
 <meta property="og:type" content="article" />
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 <meta itemprop="name" content="How to build a project">
 <meta itemprop="description" content="How to build a project This document will help you compile and build a project in your maven and set your IDE.
 Building the Project Since we are using Git submodule, we do not recommend using the GitHub tag or release page to download source codes for compiling.
 Maven behind the Proxy If you need to execute build behind the proxy, edit the .mvn/jvm.config and set the follow properties:
 -Dhttp.proxyHost=proxy_ip -Dhttp.">
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 </blockquote>
 <h3 id="building-docker-images">Building docker images</h3>
 <p>You can build docker images of <code>backend</code> and <code>ui</code> with <code>Makefile</code> located in root folder.</p>
-<p>Refer to <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/docker">Build docker image</a> for more details.</p>
+<p>Refer to <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/docker">Build docker image</a> for more details.</p>
 <h2 id="setting-up-your-intellij-idea">Setting up your IntelliJ IDEA</h2>
 <p><strong>NOTE</strong>: If you clone the codes from GitHub, please make sure that you have finished steps 1 to 3 in section <strong><a href="#build-from-github">Build from GitHub</a></strong>. If you download the source codes from the official website of SkyWalking, please make sure that you have followed the steps in section <strong><a href="#build-from-apache-source-code-release">Build from Apache source code release</a></strong>.</p>
 <ol>
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@@ -26,15 +26,15 @@ Use the following block as a template and place it in ~/.m2/settings.xml.
 &lt;settings&gt; ... &lt;servers&gt; &lt;!-- To publish a snapshot of some part of Maven --&gt; &lt;server&gt; &lt;id&gt;apache." />
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 <meta itemprop="name" content="SkyWalking release guide">
 <meta itemprop="description" content="Apache SkyWalking release guide If you&rsquo;re a committer, you can learn how to release SkyWalking in The Apache Way and start the voting process by reading this document.
 Set up your development environment Follow the steps in the Apache maven deployment environment document to set gpg tool and encrypt passwords.
 Use the following block as a template and place it in ~/.m2/settings.xml.
 &lt;settings&gt; ... &lt;servers&gt; &lt;!-- To publish a snapshot of some part of Maven --&gt; &lt;server&gt; &lt;id&gt;apache.">
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@@ -25,14 +25,14 @@ There are 2 kinds of plugin:
  Tracing plugin. Follow the distributed tracing concept to collect spans with tags and logs. Meter plugin. Collect numeric metrics in Counter, Gauge, and Histogram formats.  We also provide the plugin test tool to verify the data collected and reported by the plugin. If you plan to contribute any plugin to our main repo, the data would be verified by this tool too." />
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 <meta itemprop="name" content="Plugin Development Guide">
 <meta itemprop="description" content="Plugin Development Guide This document describes how to understand, develop and contribute a plugin.
 There are 2 kinds of plugin:
  Tracing plugin. Follow the distributed tracing concept to collect spans with tags and logs. Meter plugin. Collect numeric metrics in Counter, Gauge, and Histogram formats.  We also provide the plugin test tool to verify the data collected and reported by the plugin. If you plan to contribute any plugin to our main repo, the data would be verified by this tool too.">
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   witnessMethodList<span style="color:#f92672">.</span><span style="color:#a6e22e">add</span><span style="color:#f92672">(</span>witnessMethod<span style="color:#f92672">);</span>
   <span style="color:#66d9ef">return</span> witnessMethodList<span style="color:#f92672">;</span>
 <span style="color:#f92672">}</span>
-</code></pre></div><p>For more examples, see <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/apm-sniffer/apm-agent-core/src/test/java/org/apache/skywalking/apm/agent/core/plugin/witness/WitnessTest.java">WitnessTest.java</a></p>
+</code></pre></div><p>For more examples, see <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/apm-sniffer/apm-agent-core/src/test/java/org/apache/skywalking/apm/agent/core/plugin/witness/WitnessTest.java">WitnessTest.java</a></p>
 </li>
 </ol>
 <h3 id="implement-an-interceptor">Implement an interceptor</h3>
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 <meta property="og:description" content="Plugin automatic test framework The plugin test framework is designed to verify the function and compatibility of plugins. As there are dozens of plugins and hundreds of versions that need to be verified, it is impossible to do it manually. The test framework uses container-based tech stack and requires a set of real services with the agents installed. Then, the test mock OAP backend runs to check the segments data sent from agents." />
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 <meta itemprop="name" content="Plugin automatic test framework">
 <meta itemprop="description" content="Plugin automatic test framework The plugin test framework is designed to verify the function and compatibility of plugins. As there are dozens of plugins and hundreds of versions that need to be verified, it is impossible to do it manually. The test framework uses container-based tech stack and requires a set of real services with the agents installed. Then, the test mock OAP backend runs to check the segments data sent from agents.">
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 <h2 id="case-base-image-introduction">Case Base Image Introduction</h2>
 <p>The test framework provides <code>JVM-container</code> and <code>Tomcat-container</code> base images including JDK8 and JDK14. You can choose the best one for your test case. If both are suitable for your case, <strong><code>JVM-container</code> is preferred</strong>.</p>
 <h3 id="jvm-container-image-introduction">JVM-container Image Introduction</h3>
-<p><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/containers/jvm-container">JVM-container</a> uses <code>openjdk:8</code> as the base image. <code>JVM-container</code> supports JDK14, which inherits <code>openjdk:14</code>.
+<p><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/containers/jvm-container">JVM-container</a> uses <code>openjdk:8</code> as the base image. <code>JVM-container</code> supports JDK14, which inherits <code>openjdk:14</code>.
 The test case project must be packaged as <code>project-name.zip</code>, including <code>startup.sh</code> and uber jar, by using <code>mvn clean package</code>.</p>
 <p>Take the following test projects as examples:</p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/sofarpc-scenario">sofarpc-scenario</a> is a single project case.</li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/webflux-scenario">webflux-scenario</a> is a case including multiple projects.</li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/jdk14-with-gson-scenario">jdk14-with-gson-scenario</a> is a single project case with JDK14.</li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/sofarpc-scenario">sofarpc-scenario</a> is a single project case.</li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/webflux-scenario">webflux-scenario</a> is a case including multiple projects.</li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/jdk14-with-gson-scenario">jdk14-with-gson-scenario</a> is a single project case with JDK14.</li>
 </ul>
 <h3 id="tomcat-container-image-introduction">Tomcat-container Image Introduction</h3>
-<p><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/containers/tomcat-container">Tomcat-container</a> uses <code>tomcat:8.5.57-jdk8-openjdk</code> or <code>tomcat:8.5.57-jdk14-openjdk</code> as the base image.
+<p><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/containers/tomcat-container">Tomcat-container</a> uses <code>tomcat:8.5.57-jdk8-openjdk</code> or <code>tomcat:8.5.57-jdk14-openjdk</code> as the base image.
 The test case project must be packaged as <code>project-name.war</code> by using <code>mvn package</code>.</p>
 <p>Take the following test project as an example</p>
 <ul>
@@ -1158,10 +1158,10 @@ as the version number, which will be changed in the test for each version.</p>
 </blockquote>
 <p><strong>Take the following test cases as examples:</strong></p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/dubbo-2.7.x-scenario/configuration.yml">dubbo-2.7.x with JVM-container</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/jetty-scenario/configuration.yml">jetty with JVM-container</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/gateway-2.1.x-scenario/configuration.yml">gateway with runningMode</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/canal-scenario/configuration.yml">canal with docker-compose</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/dubbo-2.7.x-scenario/configuration.yml">dubbo-2.7.x with JVM-container</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/jetty-scenario/configuration.yml">jetty with JVM-container</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/gateway-2.1.x-scenario/configuration.yml">gateway with runningMode</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/canal-scenario/configuration.yml">canal with docker-compose</a></li>
 </ul>
 <h3 id="expecteddatayaml">expectedData.yaml</h3>
 <p><strong>Operator for number</strong></p>
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 </blockquote>
 <p><strong>Take the following test cases as examples</strong></p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/undertow-scenario/bin/startup.sh">undertow</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/plugin/scenarios/webflux-scenario/webflux-dist/bin/startup.sh">webflux</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/undertow-scenario/bin/startup.sh">undertow</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/plugin/scenarios/webflux-scenario/webflux-dist/bin/startup.sh">webflux</a></li>
 </ul>
 <h2 id="best-practices">Best Practices</h2>
 <h3 id="how-to-use-the-archetype-to-create-a-test-case-project">How To Use The Archetype To Create A Test Case Project</h3>
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@@ -24,13 +24,13 @@
  Go through our documents, and point out or fix a problem. Translate the documents into other languages. Download our releases, try to monitor your applications, and provide feedback to us. Read our source codes. For details, reach out to us. If you find any bugs, submit an issue. You can also try to fix it. Find help wanted issues." />
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 <meta itemprop="name" content="Guides">
 <meta itemprop="description" content="Guides There are many ways you can contribute to the SkyWalking community.
  Go through our documents, and point out or fix a problem. Translate the documents into other languages. Download our releases, try to monitor your applications, and provide feedback to us. Read our source codes. For details, reach out to us. If you find any bugs, submit an issue. You can also try to fix it. Find help wanted issues.">
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@@ -990,7 +990,7 @@ The purpose of carrying out end-to-end tests is to identify system dependencies
 <p>The e2e test involves some/all of the OAP server, storage, coordinator, webapp, and the instrumented services, all of which are orchestrated by <code>docker-compose</code>,
 besides, there is a test controller(JUnit test) running outside of the container that sends traffics to the instrumented service,
 and then verifies the corresponding results after those requests, by GraphQL API of the SkyWalking Web App.</p>
-<p>Before all following steps, please set the SkyWalking version <code>sw.version</code> in the <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/e2e/pom.xml">pom.xml</a>
+<p>Before all following steps, please set the SkyWalking version <code>sw.version</code> in the <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/e2e/pom.xml">pom.xml</a>
 so that you can build it in your local IDE, but please make sure not to check this change into the codebase. However, if
 you prefer to build it in command line interface with <code>./mvnw</code>, you can simply use property <code>-Dsw.version=x.y.z</code> without
 modifying the pom.xml.</p>
@@ -1022,7 +1022,7 @@ to orchestrate the needed containers, and gives us possibilities to define the d
 </ul>
 <p>To put it simple, test controllers are basically tests that can be bound to the Maven <code>integration-test/verify</code> phase.
 They send <strong>designed</strong> requests to the instrumented service, and expect to get corresponding traces/metrics/metadata from the SkyWalking webapp GraphQL API.</p>
-<p>In the test framework, we provide a <code>TrafficController</code> to periodically send traffic data to the instrumented services, you can simply enable it by giving a url and traffic data, refer to <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/e2e/e2e-test/src/test/java/org/apache/skywalking/e2e/base/TrafficController.java">this</a>.</p>
+<p>In the test framework, we provide a <code>TrafficController</code> to periodically send traffic data to the instrumented services, you can simply enable it by giving a url and traffic data, refer to <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/e2e/e2e-test/src/test/java/org/apache/skywalking/e2e/base/TrafficController.java">this</a>.</p>
 <ul>
 <li>Troubleshooting</li>
 </ul>
@@ -1067,7 +1067,7 @@ in SkyWalking release, after 6.0.0-GA.</li>
 SkyWalking is supposed to follow the <a href="https://apache.org/legal/resolved.html">ASF 3RD PARTY LICENSE POLICY</a>,
 so if you&rsquo;re adding new dependencies to the project, you&rsquo;re responsible to check the newly-added dependencies
 won&rsquo;t break the policy, and add their LICENSE&rsquo;s and NOTICES&rsquo;s to the project.</p>
-<p>We have a <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/tools/dependencies/check-LICENSE.sh">simple script</a> to help you make sure that you didn&rsquo;t
+<p>We have a <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/tools/dependencies/check-LICENSE.sh">simple script</a> to help you make sure that you didn&rsquo;t
 miss any newly-added dependency:</p>
 <ul>
 <li>Build a distribution package and unzip/untar it to folder <code>dist</code>.</li>
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  In the OAP core module, it provide SourceReceiver internal service." />
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 <meta itemprop="name" content="Source and Scope extension for new metrics">
 <meta itemprop="description" content="Source and Scope extension for new metrics From OAL scope introduction, you should already have understood what the scope is. At here, as you want to do more extension, you need understand deeper, which is the Source.
 Source and Scope are binding concepts. Scope declare the id(int) and name, Source declare the attributes. Please follow these steps to create a new Source and Scope.
  In the OAP core module, it provide SourceReceiver internal service.">
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@@ -27,16 +27,16 @@ Define your storage provider  Define a class extends org.apache.skywalking.oap.s
   IEndpointInventoryCacheDAO" />
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 <meta itemprop="name" content="Extend storage">
 <meta itemprop="description" content="Extend storage SkyWalking has already provided several storage solutions. In this document, you could learn how to implement a new storage easily.
 Define your storage provider  Define a class extends org.apache.skywalking.oap.server.library.module.ModuleProvider. Set this provider targeting to Storage module.  @Override public Class&lt;? extends ModuleDefine&gt; module() { return StorageModule.class; } Implement all DAOs Here is the list of all DAO interfaces in storage
   IServiceInventoryCacheDAO
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diff --git a/docs/main/latest/en/protocols/browser-http-api-protocol/index.html b/docs/main/latest/en/protocols/browser-http-api-protocol/index.html
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@@ -27,16 +27,16 @@ Input:
 { &#34;service&#34;: &#34;web&#34;, &#34;serviceVersion&#34;: &#34;v0.0.1&#34;, &#34;pagePath&#34;: &#34;/index.html&#34;, &#34;redirectTime&#34;: 10, &#34;dnsTime&#34;: 10, &#34;ttfbTime&#34;: 10, &#34;tcpTime&#34;: 10, &#34;transTime&#34;: 10, &#34;domAnalysisTime&#34;: 10, &#34;fptTime&#34;: 10, &#34;domReadyTime&#34;: 10, &#34;loadPageTime&#34;: 10, &#34;resTime&#34;: 10, &#34;sslTime&#34;: 10, &#34;ttlTime&#34;: 10, &#34;firstPackTime&#34;: 10, &#34;fmpTime&#34;: 10 } OutPut:" />
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/docs/main/latest/en/protocols/browser-http-api-protocol/" />
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 <meta itemprop="name" content="HTTP API Protocol">
 <meta itemprop="description" content="HTTP API Protocol HTTP API Protocol defines the API data format, including api request and response data format. They use the HTTP1.1 wrapper of the official SkyWalking Browser Protocol. Read it for more details.
 Performance Data Report Detail information about data format can be found in BrowserPerf.proto.
 POST http://localhost:12800/browser/perfData Send a performance data object with JSON format.
 Input:
 { &#34;service&#34;: &#34;web&#34;, &#34;serviceVersion&#34;: &#34;v0.0.1&#34;, &#34;pagePath&#34;: &#34;/index.html&#34;, &#34;redirectTime&#34;: 10, &#34;dnsTime&#34;: 10, &#34;ttfbTime&#34;: 10, &#34;tcpTime&#34;: 10, &#34;transTime&#34;: 10, &#34;domAnalysisTime&#34;: 10, &#34;fptTime&#34;: 10, &#34;domReadyTime&#34;: 10, &#34;loadPageTime&#34;: 10, &#34;resTime&#34;: 10, &#34;sslTime&#34;: 10, &#34;ttlTime&#34;: 10, &#34;firstPackTime&#34;: 10, &#34;fmpTime&#34;: 10 } OutPut:">
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  BrowserErrorLog#uniqueId should be unique in the whole distributed environments." />
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 <meta itemprop="name" content="Browser Protocol">
 <meta itemprop="description" content="Browser Protocol Browser protocol describes the data format between skywalking-client-js and backend.
 Overview Browser protocol is defined and provided in gRPC format, also implemented in HTTP 1.1
 Send performance data and error log You can send performance data and error logs via the following services:
  BrowserPerfService#collectPerfData for performance data format. BrowserPerfService#collectErrorLogs for error log format.  For error log format, there are some notices
  BrowserErrorLog#uniqueId should be unique in the whole distributed environments.">
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 { &#34;service&#34;: &#34;User Service Name&#34;, &#34;serviceInstance&#34;: &#34;User Service Instance Name&#34;, &#34;properties&#34;: [{ &#34;language&#34;: &#34;Lua&#34; }] } Output JSON Array:" />
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 <meta itemprop="name" content="HTTP API Protocol">
 <meta itemprop="description" content="HTTP API Protocol HTTP API Protocol defines the API data format, including api request and response data format. They use the HTTP1.1 wrapper of the official SkyWalking Trace Data Protocol v3. Read it for more details.
 Instance Management Detail information about data format can be found in Instance Management.
  Report service instance properties   POST http://localhost:12800/v3/management/reportProperties
  Input:
 { &#34;service&#34;: &#34;User Service Name&#34;, &#34;serviceInstance&#34;: &#34;User Service Instance Name&#34;, &#34;properties&#34;: [{ &#34;language&#34;: &#34;Lua&#34; }] } Output JSON Array:">
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 gRPC service define" />
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 <meta itemprop="name" content="JVM Metrics Service">
 <meta itemprop="description" content="JVM Metrics Service Abstract Uplink the JVM metrics, including PermSize, HeapSize, CPU, Memory, etc., every second.
 gRPC service define">
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 <meta itemprop="name" content="Log Data Protocol">
 <meta itemprop="description" content="Log Data Protocol Report log data via protocol.
 gRPC service define">
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 extend type Query { getGlobalBrief(duration: Duration!" />
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 <meta itemprop="name" content="Query Protocol">
 <meta itemprop="description" content="Query Protocol Query Protocol defines a set of APIs in GraphQL grammar to provide data query and interactive capabilities with SkyWalking native visualization tool or 3rd party system, including Web UI, CLI or private system.
 Query protocol official repository, https://github.com/apache/skywalking-query-protocol.
 Metadata Metadata includes the brief info of the whole under monitoring services and their instances, endpoints, etc. Use multiple ways to query this meta data.
 extend type Query { getGlobalBrief(duration: Duration!">
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 <li>Trace. Query distributed traces by this.</li>
 <li>Alarm. Through alarm query, you can have alarm trend and details.</li>
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-<p>The actual query GraphQL scrips could be found inside <code>query-protocol</code> folder in <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/oap-server/server-query-plugin/query-graphql-plugin/src/main/resources">here</a>.</p>
+<p>The actual query GraphQL scrips could be found inside <code>query-protocol</code> folder in <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-query-plugin/query-graphql-plugin/src/main/resources">here</a>.</p>
 <h2 id="condition">Condition</h2>
 <h3 id="duration">Duration</h3>
 <p>Duration is a widely used parameter type as the APM data is time related. The explanations are as following.
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   Probe Protocols They also related to the probe group, for understand that, look Concepts and Designs document." />
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 <meta itemprop="description" content="Protocols There are two types of protocols list here.
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 This is an optional and additional protocol for language tracer implementation. All tracer implementation could consider to implement this. Cross Process Correlation Header key is sw8-correlation. The value is the encoded(key):encoded(value) list with elements splitted by , such as base64(string key):base64(string value),base64(string key2):base64(string value2)." />
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 <p>The file is written in YAML format, defined by the scheme described below. Brackets indicate that a parameter is optional.</p>
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+<p>A full example can be found <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">here</a></p>
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 <h2 id="setup">Setup</h2>
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-<li>Setup <a href="https://opentelemetry.io/docs/collector/">OpenTelemetry Collector </a>. This is an example for OpenTelemetry Collector configuration <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/test/e2e/e2e-test/docker/promOtelVM/otel-collector-config.yaml">otel-collector-config.yaml</a>.</li>
+<li>Setup <a href="https://opentelemetry.io/docs/collector/">OpenTelemetry Collector </a>. This is an example for OpenTelemetry Collector configuration <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/test/e2e/e2e-test/docker/promOtelVM/otel-collector-config.yaml">otel-collector-config.yaml</a>.</li>
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 <h3 id="meters-configure">Meters configure</h3>
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 <meta itemprop="description" content="Backend setup SkyWalking backend distribution package includes the following parts:
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 Default mode Default mode. Do initialization works if necessary, start listen and provide service.
 Run /bin/oapService.sh(.bat) to start in this mode. Also when use startup.sh(.bat) to start.
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 storage: selector: ${SW_STORAGE:elasticsearch7} Native supported storage
  H2 ElasticSearch 6, 7 MySQL TiDB InfluxDB PostgreSQL  H2 Active H2 as storage, set storage provider to H2 In-Memory Databases. Default in distribution package. Please read Database URL Overview in H2 official document, you could set the target to H2 in Embedded, Server and Mixed modes.">
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 telemetry: selector: ${SW_TELEMETRY:none} none: prometheus: host: ${SW_TELEMETRY_PROMETHEUS_HOST:0.0.0.0} port: ${SW_TELEMETRY_PROMETHEUS_PORT:1234} sslEnabled: ${SW_TELEMETRY_PROMETHEUS_SSL_ENABLED:false} sslKeyPath: ${SW_TELEMETRY_PROMETHEUS_SSL_KEY_PATH:&#34;&#34;} sslCertChainPath: ${SW_TELEMETRY_PROMETHEUS_SSL_CERT_CHAIN_PATH:&#34;&#34;} but you can set one of prometheus to enable them, for more information, refer to the details below.
 Self Observability SkyWalking supports to collect telemetry data into OAP backend directly. Users could check them out through UI or GraphQL API then.">
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 Module define receiver-zabbix: selector: ${SW_RECEIVER_ZABBIX:default} default: # Export tcp port, Zabbix agent could connected and transport data port: 10051 # Bind to host host: 0.0.0.0 # Enable config when receive agent request activeFiles: agent Configuration file Zabbix receiver is configured via a configuration file. The configuration file defines everything related to receiving from agents, as well as which rule files to load." />
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 <p>The file is written in YAML format, defined by the scheme described below. Square brackets indicate that a parameter is optional.</p>
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 You could find the Zabbix agent detail items from <a href="https://www.zabbix.com/documentation/current/manual/config/items/itemtypes/zabbix_agent">Zabbix Agent documentation</a>.</p>
 <h3 id="configuration-file-1">Configuration file</h3>
 <div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># insert metricPrefix into metric name:  &lt;metricPrefix&gt;_&lt;raw_metric_name&gt;</span>
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    Module Provider Settings Value(s) and Explanation System Environment Variable¹ Default     core default role Option values, Mixed/Receiver/Aggregator. Receiver mode OAP open the service to the agents, analysis and aggregate the results and forward the results for distributed aggregation. Aggregator mode OAP receives data from Mixer and Receiver role OAP nodes, and do 2nd level aggregation.">
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 </code></pre></div><h2 id="dynamic-configuration-service-dcs">Dynamic Configuration Service, DCS</h2>
-<p><a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/oap-server/server-configuration/grpc-configuration-sync/src/main/proto/configuration-service.proto">Dynamic Configuration Service</a>
+<p><a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-configuration/grpc-configuration-sync/src/main/proto/configuration-service.proto">Dynamic Configuration Service</a>
 is a gRPC service, which requires the upstream system implemented.
 The SkyWalking OAP fetches the configuration from the implementation(any system), after you open this implementation like this.</p>
 <div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#f92672">configuration</span>:
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 <h2 id="creating-ssltls-certificates">Creating SSL/TLS Certificates</h2>
 <p>It seems like step one is to generate certificates and key files for encrypting communication. I thought this would be
 fairly straightforward using <code>openssl</code> from the command line.</p>
-<p>Use this <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/tools/TLS/tls_key_generate.sh">script</a> if you are not familiar with how to generate key files.</p>
+<p>Use this <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/tools/TLS/tls_key_generate.sh">script</a> if you are not familiar with how to generate key files.</p>
 <p>We need below files:</p>
 <ul>
 <li><code>server.pem</code> a private RSA key to sign and authenticate the public key. It&rsquo;s either a PKCS#8(PEM) or PKCS#1(DER).</li>
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 Set up agent  Add the Micrometer and Skywalking meter registry dependency into project pom.xml file. Also you could found more detail at Toolkit micrometer.  &lt;dependency&gt; &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt; &lt;artifactId&gt;spring-boot-starter-actuator&lt;/artifactId&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-micrometer-registry&lt;/artifactId&gt; &lt;version&gt;${skywalking.vers [...]
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-<li>Configure the meter config file, It already has the <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/oap-server/server-bootstrap/src/main/resources/meter-analyzer-config/spring-sleuth.yaml">spring sleuth meter config</a>.
+<li>Configure the meter config file, It already has the <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-bootstrap/src/main/resources/meter-analyzer-config/spring-sleuth.yaml">spring sleuth meter config</a>.
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 # Set a timeout on metrics data. After the timeout has expired, the metrics data will automatically be deleted. recordDataTTL: ${SW_CORE_RECORD_DATA_TTL:3} # Unit is day metricsDataTTL: ${SW_CORE_METRICS_DATA_TTL:7} # Unit is day  recordDataTTL affects Record data, including tracing and alarm." />
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  Record, including trace and alarm. Maybe log in the future. Metric, including such as percentile, heat map, success rate, cpm(rpm) etc.  You have following settings for different types.
 # Set a timeout on metrics data. After the timeout has expired, the metrics data will automatically be deleted. recordDataTTL: ${SW_CORE_RECORD_DATA_TTL:3} # Unit is day metricsDataTTL: ${SW_CORE_METRICS_DATA_TTL:7} # Unit is day  recordDataTTL affects Record data, including tracing and alarm.">
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 <meta itemprop="name" content="UI">
 <meta itemprop="description" content="UI SkyWalking UI distribution is already included in our Apache official release.
 Startup Startup script is also in /bin/webappService.sh(.bat). UI runs as an OS Java process, powered-by Zuul.
 Settings Setting file of UI is webapp/webapp.yml in distribution package. It is constituted by three parts.
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 <meta property="og:description" content="Uninstrumented Gateways/Proxies The uninstrumented gateways are not instrumented by SkyWalking agent plugin when they are started, but they can be configured in gateways.yml file or via Dynamic Configuration. The reason why they can&rsquo;t register to backend automatically is that there&rsquo;re no suitable agent plugins, for example, there is no agent plugins for Nginx, haproxy, etc. So in order to visualize the real topology, we provide a way t [...]
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 <meta itemprop="description" content="Uninstrumented Gateways/Proxies The uninstrumented gateways are not instrumented by SkyWalking agent plugin when they are started, but they can be configured in gateways.yml file or via Dynamic Configuration. The reason why they can&rsquo;t register to backend automatically is that there&rsquo;re no suitable agent plugins, for example, there is no agent plugins for Nginx, haproxy, etc. So in order to visualize the real topology, we provide a way to c [...]
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 SkyWalking is the first open source project introducing this ALS based solution to the world. This provides a new way with very low payload to service mesh, but the same observability." />
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 <meta itemprop="description" content="Observe Service Mesh through ALS Envoy Access Log Service (ALS) provides full logs about RPC routed, including HTTP and TCP.
 Background The solution was initialized and firstly implemented by Sheng Wu, Hongtao Gao, Lizan Zhou, and Dhi Aurrahman at 17 May. 2019, and was presented on KubeCon China 2019. Here is the recorded video.
 SkyWalking is the first open source project introducing this ALS based solution to the world. This provides a new way with very low payload to service mesh, but the same observability.">
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 SkyWalking&rsquo;s <a href="https://github.com/apache/skywalking-data-collect-protocol/blob/master/logging/Logging.proto">native log format</a>
 , and forwards the formatted logs to <a href="../../../concepts-and-designs/lal">LAL</a>, where you can configure persistent
 conditions, such as <code>sampler</code>, only persist error logs, etc. SkyWalking provides a default configuration
-file <a href="https://github.com/apache/skywalking/tree/6c117876f3ed17a3058d50db4e4485277291410a/oap-server/server-bootstrap/src/main/resources/lal/envoy-als.yaml"><code>envoy-als.yaml</code></a> that you can
+file <a href="https://github.com/apache/skywalking/tree/dbc62f8d8e2a25c3e14799e3ac7efd5a30909cae/oap-server/server-bootstrap/src/main/resources/lal/envoy-als.yaml"><code>envoy-als.yaml</code></a> that you can
 adjust as per your needs. Please make sure to activate this rule via adding the rule name <code>envoy-als</code>
 into config item <code>log-analyzer/default/lalFiles</code> (or environment variable <code>SW_LOG_LAL_FILES</code>,
 e.g. <code>SW_LOG_LAL_FILES=envoy-als</code>).</p>
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 Note that in ths setup, we override the log4j2.xml config to set the org.apache.skywalking.oap.server.receiver.envoy logger level to DEBUG. This enables us to see the messages sent by Envoy to SkyWalking OAP server." />
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 <meta itemprop="description" content="Sending Envoy Metrics to SkyWalking OAP Server Example This is an example of sending Envoy Stats to SkyWalking OAP server through Metric Service.
 Running the example The example requires docker and docker-compose to be installed in your local. It fetches images from Docker Hub.
 Note that in ths setup, we override the log4j2.xml config to set the org.apache.skywalking.oap.server.receiver.envoy logger level to DEBUG. This enables us to see the messages sent by Envoy to SkyWalking OAP server.">
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 <meta itemprop="description" content="Send Envoy metrics to SkyWalking with / without Istio Envoy defines a gRPC service to emit the metrics, whatever implements this protocol can be used to receive the metrics. SkyWalking has a built-in receiver that implements this protocol so that you can configure Envoy to emit its metrics to SkyWalking.
 As an APM system, SkyWalking does not only receive and store the metrics emitted by Envoy, it also analyzes the topology of services and service instances.">
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 Deploy OpenTelemetry collector OpenTelemetry collector is the location Istio telemetry sends metrics, then processing and sending them to SkyWalking backend." />
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 <meta itemprop="name" content="Work with Istio">
 <meta itemprop="description" content="Work with Istio Instructions for transport Istio&rsquo;s metrics to the SkyWalking OAP server.
 Prerequisites Istio should be installed in the Kubernetes cluster. Follow Istio getting start to finish it.
 Deploy SkyWalking backend Follow the deploying backend in Kubernetes to install the OAP server in the kubernetes cluster. Refer to OpenTelemetry receiver to ingest metrics. otel-receiver defaults to be inactive. Set env var SW_OTEL_RECEIVER to default to enable it.
 Deploy OpenTelemetry collector OpenTelemetry collector is the location Istio telemetry sends metrics, then processing and sending them to SkyWalking backend.">
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 <meta itemprop="description" content="Skywalking with Kotlin coroutine This Plugin provides an auto instrument support plugin for Kotlin coroutine based on context snapshot.
 Description SkyWalking provide tracing context propagation inside thread. In order to support Kotlin Coroutine, we provide this additional plugin.
 Implementation principle As we know, Kotlin coroutine switches the execution thread by CoroutineDispatcher.
  Create a snapshot of the current context before dispatch the continuation. Then create a coroutine span after thread switched, mark the span continued with the snapshot.">
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diff --git a/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/oracle-resin-plugins/index.html b/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/oracle-resin-plugins/index.html
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 <meta itemprop="name" content="Oracle and Resin plugins">
 <meta itemprop="description" content="Oracle and Resin plugins These plugins can&rsquo;t be provided in Apache release because of Oracle and Resin Licenses. If you want to know details, please read Apache license legal document
 Due to license incompatibilities/restrictions these plugins are hosted and released in 3rd part repository, go to OpenSkywalking java plugin extension repository to get these.">
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diff --git a/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/spring-annotation-plugin/index.html b/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/spring-annotation-plugin/index.html
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 <meta itemprop="description" content="Spring annotation plugin This plugin allows to trace all methods of beans in Spring context, which are annotated with @Bean, @Service, @Component and @Repository.
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diff --git a/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/trace-ignore-plugin/index.html b/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/trace-ignore-plugin/index.html
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 Introduce  The purpose of this plugin is to filter endpoint which are expected to be ignored by the tracing system. You can setup multiple URL path patterns, The endpoints match these patterns wouldn&rsquo;t be traced. The current matching rules follow Ant Path match style , like /path/*, /path/**, /path/?. Copy apm-trace-ignore-plugin-x." />
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 <meta itemprop="name" content="Support custom trace ignore">
 <meta itemprop="description" content="Support custom trace ignore Here is an optional plugin apm-trace-ignore-plugin
 Notice: Sampling still works when the trace ignores plug-in activation.
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diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-log4j-1.x/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-log4j-1.x/index.html
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 <meta property="og:description" content="Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-log4j-1.x&lt;/artifactId&gt; &lt;version&gt;{project.release.version}&lt;/version&gt; &lt;/dependency&gt; Print trace ID in your logs  Config a layout  log4j.appender.CONSOLE.layout=org.apache.skywalking.apm.toolkit.log.log4j.v1.x.TraceIdPatternLayout  set %T in layout.ConversionPattern ( In 2 [...]
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 <meta itemprop="name" content="Dependency the toolkit, such as using maven or gradle">
 <meta itemprop="description" content="Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-log4j-1.x&lt;/artifactId&gt; &lt;version&gt;{project.release.version}&lt;/version&gt; &lt;/dependency&gt; Print trace ID in your logs  Config a layout  log4j.appender.CONSOLE.layout=org.apache.skywalking.apm.toolkit.log.log4j.v1.x.TraceIdPatternLayout  set %T in layout.ConversionPattern ( In 2.0- [...]
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diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-log4j-2.x/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-log4j-2.x/index.html
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 <meta property="og:description" content="logback plugin  Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-logback-1.x&lt;/artifactId&gt; &lt;version&gt;{project.release.version}&lt;/version&gt; &lt;/dependency&gt; Print trace ID in your logs  set %tid in Pattern section of logback.xml  &lt;appender name=&#34;STDOUT&#34; class=&#34;ch.qos.logback.core.ConsoleAppender&#34;&gt; &lt;en [...]
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 <meta itemprop="name" content="logback plugin">
 <meta itemprop="description" content="logback plugin  Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-logback-1.x&lt;/artifactId&gt; &lt;version&gt;{project.release.version}&lt;/version&gt; &lt;/dependency&gt; Print trace ID in your logs  set %tid in Pattern section of logback.xml  &lt;appender name=&#34;STDOUT&#34; class=&#34;ch.qos.logback.core.ConsoleAppender&#34;&gt; &lt;encod [...]
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  Counter API represents a single monotonically increasing counter, automatic collect data and report to backend.  import org.apache.skywalking.apm.toolkit.meter.MeterFactory; Counter counter = MeterFactory.counter(meterName).tag(&#34;tagKey&#34;, &#34;tagValue&#34;).mode(Counter.Mode.INCREMENT).build(); counter.increment(1d);  MeterFactory.counter Create a new counter builder with the meter name. Counter.Builder.tag(String key, String value) Mark a tag key/value pair." />
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 <meta itemprop="name" content="Dependency the toolkit, such as using maven or gradle">
 <meta itemprop="description" content="Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-meter&lt;/artifactId&gt; &lt;version&gt;${skywalking.version}&lt;/version&gt; &lt;/dependency&gt; If you&rsquo;re using Spring sleuth, you could use Spring Sleuth Setup.
  Counter API represents a single monotonically increasing counter, automatic collect data and report to backend.  import org.apache.skywalking.apm.toolkit.meter.MeterFactory; Counter counter = MeterFactory.counter(meterName).tag(&#34;tagKey&#34;, &#34;tagValue&#34;).mode(Counter.Mode.INCREMENT).build(); counter.increment(1d);  MeterFactory.counter Create a new counter builder with the meter name. Counter.Builder.tag(String key, String value) Mark a tag key/value pair.">
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 <meta property="og:description" content="Dependency the toolkit, such as using maven or gradle  &lt;dependency&gt; &lt;groupId&gt;org.apache.skywalking&lt;/groupId&gt; &lt;artifactId&gt;apm-toolkit-micrometer-registry&lt;/artifactId&gt; &lt;version&gt;${skywalking.version}&lt;/version&gt; &lt;/dependency&gt;  Using org.apache.skywalking.apm.meter.micrometer.SkywalkingMeterRegistry as the registry, it could forward the MicroMeter collected metrics to OAP server.  import org.apache.skywalk [...]
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 <meta itemprop="description" content="Namespace Background SkyWalking is a monitoring tool, which collects metrics from a distributed system. In the real world, a very large distributed system includes hundreds of services, thousands of service instances. In that case, most likely, more than one group, even more than one company are maintaining and monitoring the distributed system. Each one of them takes charge of different parts, don&rsquo;t want or shouldn&rsquo;t share there metrics.
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 <meta property="og:description" content="Setup java agent  Agent is available for JDK 8 - 14 in 7.x releases. JDK 1.6 - JDK 12 are supported in all 6.x releases NOTICE¹ Find agent folder in SkyWalking release package Set agent.service_name in config/agent.config. Could be any String in English. Set collector.backend_service in config/agent.config. Default point to 127.0.0.1:11800, only works for local backend. Add -javaagent:/path/to/skywalking-package/agent/skywalking-agent.jar to JVM a [...]
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 <meta itemprop="description" content="Setup java agent  Agent is available for JDK 8 - 14 in 7.x releases. JDK 1.6 - JDK 12 are supported in all 6.x releases NOTICE¹ Find agent folder in SkyWalking release package Set agent.service_name in config/agent.config. Could be any String in English. Set collector.backend_service in config/agent.config. Default point to 127.0.0.1:11800, only works for local backend. Add -javaagent:/path/to/skywalking-package/agent/skywalking-agent.jar to JVM argu [...]
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  HTTP Server  Tomcat 7 Tomcat 8 Tomcat 9 Spring Boot Web 4.x Spring MVC 3.x, 4.x 5.x with servlet 3.x Nutz Web Framework 1.x Struts2 MVC 2.3.x -&gt; 2.5.x Resin 3 (Optional¹) Resin 4 (Optional¹) Jetty Server 9 Spring WebFlux 5." />
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 <meta itemprop="description" content="Tracing and Tracing based Metrics Analyze Plugins The following plugins provide the distributed tracing capability, and the OAP backend would analyze the topology and metrics based on the tracing data.
  HTTP Server  Tomcat 7 Tomcat 8 Tomcat 9 Spring Boot Web 4.x Spring MVC 3.x, 4.x 5.x with servlet 3.x Nutz Web Framework 1.x Struts2 MVC 2.3.x -&gt; 2.5.x Resin 3 (Optional¹) Resin 4 (Optional¹) Jetty Server 9 Spring WebFlux 5.">
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 <h2 id="authentication-mode">Authentication Mode</h2>
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 <li>Find <code>ca.crt</code>, and use it at client side</li>
 <li>Find <code>server.crt</code> ,<code>server.pem</code> and <code>ca.crt</code>. Use them at server side. Please refer to <a href="../../../backend/grpc-ssl">gRPC SSL</a>
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diff --git a/docs/main/v8.2.0/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html b/docs/main/v8.2.0/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html
index 1a40b86..96e3fa0 100644
--- a/docs/main/v8.2.0/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html
+++ b/docs/main/v8.2.0/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html
@@ -1067,6 +1067,10 @@ tracing process.</li>
 
 
 
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