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Posted to notifications@skywalking.apache.org by gi...@apache.org on 2021/02/26 00:43:24 UTC

[skywalking-website] branch asf-site updated: deploy: 79d6855a8016b163e1315a84923c1fe1a13ebb90

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 115c89c  deploy: 79d6855a8016b163e1315a84923c1fe1a13ebb90
115c89c is described below

commit 115c89c34e3cac2d7428624c69cd8df7eb21ab11
Author: wu-sheng <wu...@users.noreply.github.com>
AuthorDate: Fri Feb 26 00:43:12 2021 +0000

    deploy: 79d6855a8016b163e1315a84923c1fe1a13ebb90
---
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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
index 77c8943..dbc75ac 100644
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+++ b/docs/main/latest/en/concepts-and-designs/backend-overview/index.html
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 <meta name="theme-color" content="#ffffff">
 
 <title>Observability Analysis Platform | Apache SkyWalking</title><meta property="og:title" content="Observability Analysis Platform" />
-<meta property="og:description" content="Observability Analysis Platform OAP(Observability Analysis Platform) is a new concept, which starts in SkyWalking 6.x. OAP replaces the old SkyWalking whole backend. The capabilities of the platform are following.
-OAP capabilities OAP accepts data from more sources, which belongs two groups: Tracing and Metrics.
+<meta property="og:description" content="Observability Analysis Platform We define SkyWalking as an Observability Analysis Platform, which provides a full observability to the services running either in brown zone, or green zone, even hybrid.
+Capabilities SkyWalking covers all 3 fields of observability, including, Tracing, Metrics and logging.
  Tracing. Including, SkyWalking native data formats. Zipkin v1,v2 data formats and Jaeger data formats. Metrics. SkyWalking integrates with Service Mesh platforms, such as Istio, Envoy, Linkerd, to provide observability from data panel or control panel." />
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 <meta property="og:url" content="/docs/main/latest/en/concepts-and-designs/backend-overview/" />
 
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-<meta itemprop="description" content="Observability Analysis Platform OAP(Observability Analysis Platform) is a new concept, which starts in SkyWalking 6.x. OAP replaces the old SkyWalking whole backend. The capabilities of the platform are following.
-OAP capabilities OAP accepts data from more sources, which belongs two groups: Tracing and Metrics.
+<meta itemprop="description" content="Observability Analysis Platform We define SkyWalking as an Observability Analysis Platform, which provides a full observability to the services running either in brown zone, or green zone, even hybrid.
+Capabilities SkyWalking covers all 3 fields of observability, including, Tracing, Metrics and logging.
  Tracing. Including, SkyWalking native data formats. Zipkin v1,v2 data formats and Jaeger data formats. Metrics. SkyWalking integrates with Service Mesh platforms, such as Istio, Envoy, Linkerd, to provide observability from data panel or control panel.">
 
-<meta itemprop="wordCount" content="291">
+<meta itemprop="wordCount" content="188">
 
 
 
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-<meta name="twitter:description" content="Observability Analysis Platform OAP(Observability Analysis Platform) is a new concept, which starts in SkyWalking 6.x. OAP replaces the old SkyWalking whole backend. The capabilities of the platform are following.
-OAP capabilities OAP accepts data from more sources, which belongs two groups: Tracing and Metrics.
+<meta name="twitter:description" content="Observability Analysis Platform We define SkyWalking as an Observability Analysis Platform, which provides a full observability to the services running either in brown zone, or green zone, even hybrid.
+Capabilities SkyWalking covers all 3 fields of observability, including, Tracing, Metrics and logging.
  Tracing. Including, SkyWalking native data formats. Zipkin v1,v2 data formats and Jaeger data formats. Metrics. SkyWalking integrates with Service Mesh platforms, such as Istio, Envoy, Linkerd, to provide observability from data panel or control panel."/>
 
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-<nav id="TableOfContents">
-  <ul>
-    <li><a href="#oap-capabilities">OAP capabilities</a></li>
-    <li><a href="#tracing-in-oap">Tracing in OAP</a></li>
-    <li><a href="#metrics-in-oap">Metrics in OAP</a></li>
-  </ul>
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-
 
 
 
@@ -989,35 +1013,23 @@ if (!doNotTrack) {
 
 
 	<h1 id="observability-analysis-platform">Observability Analysis Platform</h1>
-<p>OAP(Observability Analysis Platform) is a new concept, which starts in SkyWalking 6.x. OAP replaces the
-old SkyWalking whole backend. The capabilities of the platform are following.</p>
-<h2 id="oap-capabilities">OAP capabilities</h2>
-<p>OAP accepts data from more sources, which belongs two groups: <strong>Tracing</strong> and <strong>Metrics</strong>.</p>
+<p>We define SkyWalking as an Observability Analysis Platform, which provides a full observability to the services running
+either in brown zone, or green zone, even hybrid.</p>
+<h2 id="capabilities">Capabilities</h2>
+<p>SkyWalking covers all 3 fields of observability, including, <strong>Tracing</strong>, <strong>Metrics</strong> and <strong>logging</strong>.</p>
 <ul>
 <li><strong>Tracing</strong>. Including, SkyWalking native data formats. Zipkin v1,v2 data formats and Jaeger data formats.</li>
 <li><strong>Metrics</strong>. SkyWalking integrates with Service Mesh platforms, such as Istio, Envoy, Linkerd, to provide observability from data panel
-or control panel. Also, SkyWalking native agents can run in metrics mode, which highly improve the
-performance.</li>
+or control panel. Also, SkyWalking native agents can run in metrics mode, which highly improve the performance.</li>
+<li><strong>Logging</strong>. Including the logs collected from disk or through network. Native agent could bind the tracing context with logs automatically,
+or use SkyWalking to bind the trace and log through the text content.</li>
 </ul>
-<p>At the same time by using any integration solution provided, such as SkyWalking log plugin or toolkits,
-SkyWalking provides visualization integration for binding tracing and logging together by using the
-trace id and span id.</p>
-<p>As usual, all services provided by gRPC and HTTP protocol to make integration easier for unsupported ecosystem.</p>
-<h2 id="tracing-in-oap">Tracing in OAP</h2>
-<p>Tracing in OAP has two ways to process.</p>
+<p>There are 3 powerful and native language engines to focus on analyzing observability data from above fields.</p>
 <ol>
-<li>Traditional way in SkyWalking 5 series. Format tracing data in SkyWalking trace segment and span formats,
-even for Zipkin data format. The OAP analysis the segments to get metrics, and push the metrics data into
-the streaming aggregation.</li>
-<li>Consider tracing as some kinds of logging only. Just provide save and visualization capabilities for trace.</li>
+<li><a href="../oal">Observability Analysis Language</a> processes the native traces and service mesh data.</li>
+<li><a href="../mal">Meter Analysis Language</a> does metrics calculation for native meter data, and adopts stable and widely used metrics system, such as Prometheus and OpenTelemetry.</li>
+<li><a href="../lal">Log Analysis Language</a> focuses on log contents and collaborate with Meter Analysis Language.</li>
 </ol>
-<p>Also, SkyWalking accepts trace formats from other project, such as Zipkin, Jaeger, OpenCensus.
-These formats could be processed in the two ways too.</p>
-<h2 id="metrics-in-oap">Metrics in OAP</h2>
-<p>Metrics in OAP is totally new feature in 6 series. Build observability for a distributed system based on metrics of connected nodes.
-No tracing data is required.</p>
-<p>Metrics data are aggregated inside OAP cluster in streaming mode. See about <a href="../oal">Observability Analysis Language</a>,
-which provides the easy way to do aggregation and analysis in script style.</p>
 
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/event/index.html b/docs/main/latest/en/concepts-and-designs/event/index.html
index 7726a99..c10ec8e 100644
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+++ b/docs/main/latest/en/concepts-and-designs/event/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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index f2a5627..564df6b 100644
--- a/docs/main/latest/en/concepts-and-designs/lal/index.html
+++ b/docs/main/latest/en/concepts-and-designs/lal/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/mal/index.html b/docs/main/latest/en/concepts-and-designs/mal/index.html
index d511a15..4fd042d 100644
--- a/docs/main/latest/en/concepts-and-designs/mal/index.html
+++ b/docs/main/latest/en/concepts-and-designs/mal/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1127,7 +1159,7 @@ extracts instance level labels from the second array argument.</li>
 extracts endpoint level labels from the second array argument.</li>
 </ul>
 <h2 id="more-examples">More Examples</h2>
-<p>Please refer to <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">OAP Self-Observability</a></p>
+<p>Please refer to <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">OAP Self-Observability</a></p>
 
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/manual-sdk/index.html b/docs/main/latest/en/concepts-and-designs/manual-sdk/index.html
index 8af2f5e..c569fe1 100644
--- a/docs/main/latest/en/concepts-and-designs/manual-sdk/index.html
+++ b/docs/main/latest/en/concepts-and-designs/manual-sdk/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/meter/index.html b/docs/main/latest/en/concepts-and-designs/meter/index.html
index 847a0a1..4c87eee 100644
--- a/docs/main/latest/en/concepts-and-designs/meter/index.html
+++ b/docs/main/latest/en/concepts-and-designs/meter/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/oal/index.html b/docs/main/latest/en/concepts-and-designs/oal/index.html
index 4be473f..42ba6ec 100644
--- a/docs/main/latest/en/concepts-and-designs/oal/index.html
+++ b/docs/main/latest/en/concepts-and-designs/oal/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/overview/index.html b/docs/main/latest/en/concepts-and-designs/overview/index.html
index 7acef9a..8685d38 100644
--- a/docs/main/latest/en/concepts-and-designs/overview/index.html
+++ b/docs/main/latest/en/concepts-and-designs/overview/index.html
@@ -29,7 +29,7 @@ Why use SkyWalking? SkyWalking provides solutions for observing and monitoring d
 <meta itemprop="description" content="Overview SkyWalking: 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.">
 
-<meta itemprop="wordCount" content="482">
+<meta itemprop="wordCount" content="441">
 
 
 
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -993,9 +1025,9 @@ It is a modern APM, specially designed for cloud native, container based distrib
 <p>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.js, Go, PHP and Nginx LUA.
 (with calls out for Python and C++ SDK contributions).
-In multilanguage, continuously deployed environments, cloud native infrastructures grow more powerful but also more complex.
+In multi-language, continuously deployed environments, cloud native infrastructures grow more powerful but also more complex.
 SkyWalking&rsquo;s service mesh receiver allows SkyWalking to receive telemetry data from service mesh frameworks
-such as Istio/Envoy and Linkerd, allowing users to understanding the entire distributed system.</p>
+such as Istio/Envoy and Linkerd, allowing users to understand the entire distributed system.</p>
 <p>SkyWalking provides observability capabilities for <strong>service</strong>(s), <strong>service instance</strong>(s), <strong>endpoint</strong>(s). The terms Service,
 Instance and Endpoint are used everywhere today, so it is worth defining their specific meanings in the context of SkyWalking:</p>
 <ul>
@@ -1010,25 +1042,22 @@ Service/Service Instance/Endpoint and to set alarm rules.</p>
 <p>In addition, you can integrate</p>
 <ol>
 <li>Other distributed tracing using SkyWalking native agents and SDKs with Zipkin, Jaeger and OpenCensus.</li>
-<li>Other metrics systems, such as Prometheus, Sleuth(Micrometer).</li>
+<li>Other metrics systems, such as Prometheus, Sleuth(Micrometer), OpenTelemetry.</li>
 </ol>
 <h2 id="architecture">Architecture</h2>
 <p>SkyWalking is logically split into four parts: Probes, Platform backend, Storage and UI.</p>
 <img src="https://skywalking.apache.org/assets/frame-v8.jpg?u=20200423"/>
 <ul>
 <li><strong>Probe</strong>s collect data and reformat them for SkyWalking requirements (different probes support different sources).</li>
-<li><strong>Platform backend</strong>, supports data aggregation, analysis and drives process flow from probes to the UI. The analysis includes
-SkyWalking natives traces and metrics, 3rd party, including Istio and Envoy telemetry, Zipkin trace format, etc. You even can
-customize aggregation and analysis by using <a href="../oal">Observability Analysis Language for native metrics</a> and <a href="../meter">Meter System for extension metrics</a>.</li>
+<li><strong>Platform backend</strong> supports data aggregation, analysis and streaming process covers traces, metrics, and logs.</li>
 <li><strong>Storage</strong> houses SkyWalking data through an open/plugable interface. You can choose an existing implementation, such as
-ElasticSearch, H2 or a MySQL cluster managed by Sharding-Sphere, or implement your own. Patches for new storage implementors
-welcome!</li>
-<li><strong>UI</strong> a highly customizable web based interface allowing SkyWalking end users to visualize and manage SkyWalking data.</li>
+ElasticSearch, H2, MySQL, TiDB, InfluxDB, or implement your own. Patches for new storage implementors welcome!</li>
+<li><strong>UI</strong> is a highly customizable web based interface allowing SkyWalking end users to visualize and manage SkyWalking data.</li>
 </ul>
 <h2 id="what-is-next">What is next?</h2>
 <ul>
 <li>Learn SkyWalking&rsquo;s <a href="../project-goals">Project Goals</a></li>
-<li>FAQ, <a href="../../faq/why_mq_not_involved">Why doesn&rsquo;t SkyWalking involve MQ in the architecture?</a></li>
+<li>FAQ, <a href="../../faq/why_mq_not_involved">Why doesn&rsquo;t SkyWalking involve MQ in the architecture in default?</a></li>
 </ul>
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/probe-introduction/index.html b/docs/main/latest/en/concepts-and-designs/probe-introduction/index.html
index 0958d4b..4724adf 100644
--- a/docs/main/latest/en/concepts-and-designs/probe-introduction/index.html
+++ b/docs/main/latest/en/concepts-and-designs/probe-introduction/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/project-goals/index.html b/docs/main/latest/en/concepts-and-designs/project-goals/index.html
index da4598e..b4cbbad 100644
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+++ b/docs/main/latest/en/concepts-and-designs/project-goals/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
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-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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diff --git a/docs/main/latest/en/concepts-and-designs/readme/index.html b/docs/main/latest/en/concepts-and-designs/readme/index.html
index 5d52838..74ac871 100644
--- a/docs/main/latest/en/concepts-and-designs/readme/index.html
+++ b/docs/main/latest/en/concepts-and-designs/readme/index.html
@@ -29,7 +29,7 @@
 <meta itemprop="description" content="Concepts and Designs Concepts and Designs help you to learn and understand the SkyWalking and the landscape.
  What is SkyWalking?  Overview and Core concepts. Provides a high-level description and introduction, including the problems the project solves. Project Goals. Provides the goals, which SkyWalking is trying to focus and provide features about them.    After you read the above documents, you should understand the SkyWalking basic goals. Now, you can choose which following parts you are interested, then dive in.">
 
-<meta itemprop="wordCount" content="214">
+<meta itemprop="wordCount" content="244">
 
 
 
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
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+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1004,6 +1036,8 @@ SkyWalking already support.</li>
 <ul>
 <li><a href="../backend-overview">Overview</a>. Provides a high level introduction about the OAP backend.</li>
 <li><a href="../oal">Observability Analysis Language</a>. Introduces the core languages, which is designed for aggregation behaviour definition.</li>
+<li><a href="../mal">Meter Analysis Language</a>. Introduces the way to let the user analyze and aggregate meter data in OAP streaming system.</li>
+<li><a href="../lal">Log Analysis Language</a>. Introduces the Domain-Specific Language (DSL) to analyze logs.</li>
 <li><a href="../../protocols/readme#query-protocol">Query in OAP</a>. A set of query protocol provided, based on the Observability Analysis Language metrics definition.</li>
 </ul>
 </li>
diff --git a/docs/main/latest/en/concepts-and-designs/scope-definitions/index.html b/docs/main/latest/en/concepts-and-designs/scope-definitions/index.html
index d9b8758..6f2c738 100644
--- a/docs/main/latest/en/concepts-and-designs/scope-definitions/index.html
+++ b/docs/main/latest/en/concepts-and-designs/scope-definitions/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/service-agent/index.html b/docs/main/latest/en/concepts-and-designs/service-agent/index.html
index 3374f54..3a7b785 100644
--- a/docs/main/latest/en/concepts-and-designs/service-agent/index.html
+++ b/docs/main/latest/en/concepts-and-designs/service-agent/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/concepts-and-designs/service-mesh-probe/index.html b/docs/main/latest/en/concepts-and-designs/service-mesh-probe/index.html
index 9e63acd..b0a1e29 100644
--- a/docs/main/latest/en/concepts-and-designs/service-mesh-probe/index.html
+++ b/docs/main/latest/en/concepts-and-designs/service-mesh-probe/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 1d44511..35dea7c 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
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 d710205..92a5fc1 100644
--- 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
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 8596c4a..fa2e13b 100644
--- a/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html
+++ b/docs/main/latest/en/faq/enhancerequireobjectcache-cast-exception/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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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
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--- a/docs/main/latest/en/faq/es-server-faq/index.html
+++ b/docs/main/latest/en/faq/es-server-faq/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
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+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
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@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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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
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@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
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+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
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@@ -892,7 +924,7 @@ if (!doNotTrack) {
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@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
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+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
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+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
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+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
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@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 0b33ebf..9324a20 100644
--- 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
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 eed0861..6877274 100644
--- a/docs/main/latest/en/faq/install_agent_on_websphere/index.html
+++ b/docs/main/latest/en/faq/install_agent_on_websphere/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/faq/kafka-plugin/index.html b/docs/main/latest/en/faq/kafka-plugin/index.html
index 9c87862..07440c1 100644
--- a/docs/main/latest/en/faq/kafka-plugin/index.html
+++ b/docs/main/latest/en/faq/kafka-plugin/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 465f152..5811e9c 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
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 180ed4e..d2fcd24 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
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 2d83cd5..031d9cc 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
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/faq/readme/index.html b/docs/main/latest/en/faq/readme/index.html
index 6c4cb49..98c8182 100644
--- a/docs/main/latest/en/faq/readme/index.html
+++ b/docs/main/latest/en/faq/readme/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/faq/thrift-plugin/index.html b/docs/main/latest/en/faq/thrift-plugin/index.html
index ce84e03..971fc43 100644
--- a/docs/main/latest/en/faq/thrift-plugin/index.html
+++ b/docs/main/latest/en/faq/thrift-plugin/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 af5ccb0..8e57bf1 100644
--- a/docs/main/latest/en/faq/time-and-timezone/index.html
+++ b/docs/main/latest/en/faq/time-and-timezone/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 6771636..aa4081a 100644
--- a/docs/main/latest/en/faq/unexpected-endpoint-register/index.html
+++ b/docs/main/latest/en/faq/unexpected-endpoint-register/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 d9900d5..f8a067d 100644
--- a/docs/main/latest/en/faq/v3-version-upgrade/index.html
+++ b/docs/main/latest/en/faq/v3-version-upgrade/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 90df46f..08ca2b9 100644
--- a/docs/main/latest/en/faq/v6-version-upgrade/index.html
+++ b/docs/main/latest/en/faq/v6-version-upgrade/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 f07632a..2c26208 100644
--- a/docs/main/latest/en/faq/v8-version-upgrade/index.html
+++ b/docs/main/latest/en/faq/v8-version-upgrade/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/faq/vnode/index.html b/docs/main/latest/en/faq/vnode/index.html
index 6b0e6bf..c2820f2 100644
--- a/docs/main/latest/en/faq/vnode/index.html
+++ b/docs/main/latest/en/faq/vnode/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 203f877..bc3af2f 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
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 edee2ee..8bf07fa 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
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/asf/committer/index.html b/docs/main/latest/en/guides/asf/committer/index.html
index da8aac1..eb8400e 100644
--- a/docs/main/latest/en/guides/asf/committer/index.html
+++ b/docs/main/latest/en/guides/asf/committer/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 4ef8e76..33c8c68 100644
--- a/docs/main/latest/en/guides/backend-oal-scripts/index.html
+++ b/docs/main/latest/en/guides/backend-oal-scripts/index.html
@@ -312,6 +312,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -351,6 +367,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -559,7 +583,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -570,7 +594,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -769,6 +793,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -901,7 +933,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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 c09ff60..7943de5 100644
--- a/docs/main/latest/en/guides/backend-profile-export/index.html
+++ b/docs/main/latest/en/guides/backend-profile-export/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/backend-profile/index.html b/docs/main/latest/en/guides/backend-profile/index.html
index 8c01289..b963ac2 100644
--- a/docs/main/latest/en/guides/backend-profile/index.html
+++ b/docs/main/latest/en/guides/backend-profile/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1044,7 +1076,7 @@ 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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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>
 
 
 
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 044f4a7..b7e2881 100644
--- a/docs/main/latest/en/guides/component-library-settings/index.html
+++ b/docs/main/latest/en/guides/component-library-settings/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/e2e-local-remote-debug/index.html b/docs/main/latest/en/guides/e2e-local-remote-debug/index.html
index 75dda52..1e6986a 100644
--- a/docs/main/latest/en/guides/e2e-local-remote-debug/index.html
+++ b/docs/main/latest/en/guides/e2e-local-remote-debug/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/how-to-build/index.html b/docs/main/latest/en/guides/how-to-build/index.html
index c63590a..9d19c31 100644
--- a/docs/main/latest/en/guides/how-to-build/index.html
+++ b/docs/main/latest/en/guides/how-to-build/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1084,7 +1116,7 @@ If you just want to recompile part of the project, you have following options</p
 </blockquote>
 <h3 id="build-docker-images">Build docker images</h3>
 <p>We 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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/docker">Build docker image</a> for more details.</p>
+<p>Refer to <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/docker">Build docker image</a> for more details.</p>
 <h2 id="setup-your-intellij-idea">Setup your IntelliJ IDEA</h2>
 <p><strong>NOTICE</strong>: If you clone the codes from GitHub, please make sure that you had finished step 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 had followed the steps in section <strong><a href="#build-from-apache-source-code-release">Build from Apache source code release</a></strong>.</p>
 <ol>
diff --git a/docs/main/latest/en/guides/how-to-release/index.html b/docs/main/latest/en/guides/how-to-release/index.html
index 1485af7..4230512 100644
--- a/docs/main/latest/en/guides/how-to-release/index.html
+++ b/docs/main/latest/en/guides/how-to-release/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/java-plugin-development-guide/index.html b/docs/main/latest/en/guides/java-plugin-development-guide/index.html
index 8a2213a..0557ebf 100644
--- a/docs/main/latest/en/guides/java-plugin-development-guide/index.html
+++ b/docs/main/latest/en/guides/java-plugin-development-guide/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1301,7 +1333,7 @@ ref in interceptor.</p>
   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 example, see <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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 example, see <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/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>
diff --git a/docs/main/latest/en/guides/plugin-test/index.html b/docs/main/latest/en/guides/plugin-test/index.html
index 89f8505..8ea990b 100644
--- a/docs/main/latest/en/guides/plugin-test/index.html
+++ b/docs/main/latest/en/guides/plugin-test/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1020,16 +1052,16 @@ OAP backend is running to check the segments data sent from agents.</p>
 <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, JDK14. You could choose the suitable one for your test case, if both are suitable, <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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/containers/jvm-container">JVM-container</a> uses <code>openjdk:8</code> as the base image. <code>JVM-container</code> has supported JDK14, which inherits <code>openjdk:14</code>.
+<p><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/containers/jvm-container">JVM-container</a> uses <code>openjdk:8</code> as the base image. <code>JVM-container</code> has supported JDK14, which inherits <code>openjdk:14</code>.
 The test case project is required to 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 good examples</p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/sofarpc-scenario">sofarpc-scenario</a> as a single project case.</li>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/webflux-scenario">webflux-scenario</a> as a case including multiple projects.</li>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/jdk14-with-gson-scenario">jdk14-with-gson-scenario</a> as a single project case with JDK14.</li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/sofarpc-scenario">sofarpc-scenario</a> as a single project case.</li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/webflux-scenario">webflux-scenario</a> as a case including multiple projects.</li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/jdk14-with-gson-scenario">jdk14-with-gson-scenario</a> as 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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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 is required to be packaged as <code>project-name.war</code> by using <code>mvn package</code>.</p>
 <p>Take the following test project as a good example</p>
 <ul>
@@ -1233,10 +1265,10 @@ don&rsquo;t need mapping any port to the host VM, or mount any folder.</p>
 </blockquote>
 <p><strong>Take following test cases as examples</strong></p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/jetty-scenario/configuration.yml">jetty with JVM-container</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/gateway-2.1.x-scenario/configuration.yml">gateway with runningMode</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/canal-scenario/configuration.yml">canal with docker-compose</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/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/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/jetty-scenario/configuration.yml">jetty with JVM-container</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/gateway-2.1.x-scenario/configuration.yml">gateway with runningMode</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/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>
@@ -1580,8 +1612,8 @@ java -jar <span style="color:#e6db74">${</span>agent_opts<span style="color:#e6d
 </blockquote>
 <p><strong>Take the following test cases as examples</strong></p>
 <ul>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/undertow-scenario/bin/startup.sh">undertow</a></li>
-<li><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/plugin/scenarios/webflux-scenario/webflux-dist/bin/startup.sh">webflux</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/plugin/scenarios/undertow-scenario/bin/startup.sh">undertow</a></li>
+<li><a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/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>
diff --git a/docs/main/latest/en/guides/readme/index.html b/docs/main/latest/en/guides/readme/index.html
index 87d9ba1..4ef5d67 100644
--- a/docs/main/latest/en/guides/readme/index.html
+++ b/docs/main/latest/en/guides/readme/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1049,7 +1081,7 @@ 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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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>
@@ -1126,7 +1158,7 @@ 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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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>
diff --git a/docs/main/latest/en/guides/source-extension/index.html b/docs/main/latest/en/guides/source-extension/index.html
index 43f72e7..479142f 100644
--- a/docs/main/latest/en/guides/source-extension/index.html
+++ b/docs/main/latest/en/guides/source-extension/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/guides/storage-extention/index.html b/docs/main/latest/en/guides/storage-extention/index.html
index c84dde4..82228df 100644
--- a/docs/main/latest/en/guides/storage-extention/index.html
+++ b/docs/main/latest/en/guides/storage-extention/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index 187c38f..062a4ed 100644
--- a/docs/main/latest/en/protocols/browser-http-api-protocol/index.html
+++ b/docs/main/latest/en/protocols/browser-http-api-protocol/index.html
@@ -312,6 +312,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -351,6 +367,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -559,7 +583,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -570,7 +594,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -769,6 +793,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -901,7 +933,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/browser-protocol/index.html b/docs/main/latest/en/protocols/browser-protocol/index.html
index 452485e..f7b8e23 100644
--- a/docs/main/latest/en/protocols/browser-protocol/index.html
+++ b/docs/main/latest/en/protocols/browser-protocol/index.html
@@ -312,6 +312,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -351,6 +367,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -559,7 +583,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -570,7 +594,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -769,6 +793,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -901,7 +933,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/http-api-protocol/index.html b/docs/main/latest/en/protocols/http-api-protocol/index.html
index abd60d1..388580c 100644
--- a/docs/main/latest/en/protocols/http-api-protocol/index.html
+++ b/docs/main/latest/en/protocols/http-api-protocol/index.html
@@ -312,6 +312,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -351,6 +367,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -559,7 +583,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -570,7 +594,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -769,6 +793,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -901,7 +933,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/jvm-protocol/index.html b/docs/main/latest/en/protocols/jvm-protocol/index.html
index a065dd1..c6f7b1f 100644
--- a/docs/main/latest/en/protocols/jvm-protocol/index.html
+++ b/docs/main/latest/en/protocols/jvm-protocol/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/log-data-protocol/index.html b/docs/main/latest/en/protocols/log-data-protocol/index.html
index 78b1e5e..d1ecfcc 100644
--- a/docs/main/latest/en/protocols/log-data-protocol/index.html
+++ b/docs/main/latest/en/protocols/log-data-protocol/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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diff --git a/docs/main/latest/en/protocols/query-protocol/index.html b/docs/main/latest/en/protocols/query-protocol/index.html
index 3e87502..d469756 100644
--- a/docs/main/latest/en/protocols/query-protocol/index.html
+++ b/docs/main/latest/en/protocols/query-protocol/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1087,7 +1119,7 @@ by the values.</p>
 <li>Trace. Query distributed traces by this.</li>
 <li>Alarm. Through alarm query, you can have alarm trend and details.</li>
 </ol>
-<p>The actual query GraphQL scrips could be found inside <code>query-protocol</code> folder in <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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.
diff --git a/docs/main/latest/en/protocols/readme/index.html b/docs/main/latest/en/protocols/readme/index.html
index 7d261d8..22b5460 100644
--- a/docs/main/latest/en/protocols/readme/index.html
+++ b/docs/main/latest/en/protocols/readme/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/skywalking-cross-process-correlation-headers-protocol-v1/index.html b/docs/main/latest/en/protocols/skywalking-cross-process-correlation-headers-protocol-v1/index.html
index 598b04e..d3e62ee 100644
--- a/docs/main/latest/en/protocols/skywalking-cross-process-correlation-headers-protocol-v1/index.html
+++ b/docs/main/latest/en/protocols/skywalking-cross-process-correlation-headers-protocol-v1/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html b/docs/main/latest/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html
index e7e7c63..d3879b7 100644
--- a/docs/main/latest/en/protocols/skywalking-cross-process-propagation-headers-protocol-v3/index.html
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@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/protocols/trace-data-protocol-v3/index.html b/docs/main/latest/en/protocols/trace-data-protocol-v3/index.html
index 8ea5834..009d621 100644
--- a/docs/main/latest/en/protocols/trace-data-protocol-v3/index.html
+++ b/docs/main/latest/en/protocols/trace-data-protocol-v3/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
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     })
   })()
 </script>
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diff --git a/docs/main/latest/en/setup/backend/advanced-deployment/index.html b/docs/main/latest/en/setup/backend/advanced-deployment/index.html
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--- a/docs/main/latest/en/setup/backend/advanced-deployment/index.html
+++ b/docs/main/latest/en/setup/backend/advanced-deployment/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/apdex-threshold/index.html b/docs/main/latest/en/setup/backend/apdex-threshold/index.html
index 3d7a012..b9b3b02 100644
--- a/docs/main/latest/en/setup/backend/apdex-threshold/index.html
+++ b/docs/main/latest/en/setup/backend/apdex-threshold/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
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-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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diff --git a/docs/main/latest/en/setup/backend/backend-alarm/index.html b/docs/main/latest/en/setup/backend/backend-alarm/index.html
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--- a/docs/main/latest/en/setup/backend/backend-alarm/index.html
+++ b/docs/main/latest/en/setup/backend/backend-alarm/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
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+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
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@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
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@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
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   })()
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-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-fetcher/index.html b/docs/main/latest/en/setup/backend/backend-fetcher/index.html
index 807c618..1c775ef 100644
--- a/docs/main/latest/en/setup/backend/backend-fetcher/index.html
+++ b/docs/main/latest/en/setup/backend/backend-fetcher/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1007,7 +1039,7 @@ services and their instances, as well as which rule files to load.</p>
 <p>OAP can load the configuration at bootstrap. If the new configuration is not well-formed, OAP fails to start up. The files
 are located at <code>$CLASSPATH/fetcher-prom-rules</code>.</p>
 <p>The file is written in YAML format, defined by the scheme described below. Brackets indicate that a parameter is optional.</p>
-<p>A full example can be found <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">here</a></p>
+<p>A full example can be found <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/oap-server/server-bootstrap/src/main/resources/fetcher-prom-rules/self.yaml">here</a></p>
 <p>Generic placeholders are defined as follows:</p>
 <ul>
 <li><code>&lt;duration&gt;</code>: a duration This will parse a textual representation of a duration. The formats accepted are based on
diff --git a/docs/main/latest/en/setup/backend/backend-health-check/index.html b/docs/main/latest/en/setup/backend/backend-health-check/index.html
index 1650ba2..d01a650 100644
--- a/docs/main/latest/en/setup/backend/backend-health-check/index.html
+++ b/docs/main/latest/en/setup/backend/backend-health-check/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-init-mode/index.html b/docs/main/latest/en/setup/backend/backend-init-mode/index.html
index a5a1463..da6b887 100644
--- a/docs/main/latest/en/setup/backend/backend-init-mode/index.html
+++ b/docs/main/latest/en/setup/backend/backend-init-mode/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-ip-port/index.html b/docs/main/latest/en/setup/backend/backend-ip-port/index.html
index 40c7443..964d649 100644
--- a/docs/main/latest/en/setup/backend/backend-ip-port/index.html
+++ b/docs/main/latest/en/setup/backend/backend-ip-port/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-k8s/index.html b/docs/main/latest/en/setup/backend/backend-k8s/index.html
index e7c55d9..b5c9d09 100644
--- a/docs/main/latest/en/setup/backend/backend-k8s/index.html
+++ b/docs/main/latest/en/setup/backend/backend-k8s/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-meter/index.html b/docs/main/latest/en/setup/backend/backend-meter/index.html
index 7ab5b2c..3797c2e 100644
--- a/docs/main/latest/en/setup/backend/backend-meter/index.html
+++ b/docs/main/latest/en/setup/backend/backend-meter/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1010,7 +1042,7 @@ from agents, as well as which rule files to load.</p>
 <p>OAP can load the configuration at bootstrap. If the new configuration is not well-formed, OAP fails to start up. The files
 are located at <code>$CLASSPATH/meter-analyzer-config</code>.</p>
 <p>The file is written in YAML format, defined by the scheme described below. Brackets indicate that a parameter is optional.</p>
-<p>An example can be found <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/oap-server/server-bootstrap/src/main/resources/meter-analyzer-config/spring-sleuth.yaml">here</a>.
+<p>An example can be found <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/oap-server/server-bootstrap/src/main/resources/meter-analyzer-config/spring-sleuth.yaml">here</a>.
 If you&rsquo;re using Spring sleuth, you could use <a href="../spring-sleuth-setup">Spring Sleuth Setup</a>.</p>
 <h3 id="meters-configure">Meters configure</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"># expSuffix is appended to all expression in this file.</span>
diff --git a/docs/main/latest/en/setup/backend/backend-receivers/index.html b/docs/main/latest/en/setup/backend/backend-receivers/index.html
index 9c1f5bf..437c84e 100644
--- a/docs/main/latest/en/setup/backend/backend-receivers/index.html
+++ b/docs/main/latest/en/setup/backend/backend-receivers/index.html
@@ -31,7 +31,7 @@ We have following receivers, and default implementors are provided in our Apache
 We have following receivers, and default implementors are provided in our Apache distribution.
  receiver-trace. gRPC and HTTPRestful services to accept SkyWalking format traces. receiver-register. gRPC and HTTPRestful services to provide service, service instance and endpoint register.">
 
-<meta itemprop="wordCount" content="894">
+<meta itemprop="wordCount" content="904">
 
 
 
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1009,7 +1041,7 @@ Take a look at <a href="../backend-fetcher">fetcher document</a>.</p>
 <li><strong>receiver-otel</strong>. See <a href="#opentelemetry-receiver">details</a>. Receiver for analyzing metrics data from OpenTelemetry</li>
 <li><strong>receiver-meter</strong>. See <a href="../backend-meter">details</a>. Receiver for analyzing metrics in SkyWalking native meter format.</li>
 <li><strong>receiver-browser</strong>. gRPC services to accept browser performance data and error log.</li>
-<li><strong>receiver-log</strong>. gRPC services accept log data.</li>
+<li><strong>receiver-log</strong>. Receiver for native log format. Read <a href="../log-analyzer">Log Analyzer</a> for advanced features.</li>
 <li><strong>configuration-discovery</strong>. gRPC services handle configurationDiscovery.</li>
 <li><strong>receiver-event</strong>. gRPC services to handle events data.</li>
 <li><strong>receiver-zabbix</strong>. See <a href="../backend-zabbix">details</a>.</li>
@@ -1064,9 +1096,11 @@ Take a look at <a href="../backend-fetcher">fetcher document</a>.</p>
   <span style="color:#f92672">default</span>:
     <span style="color:#f92672">sampleRate</span>: <span style="color:#ae81ff">${SW_RECEIVER_BROWSER_SAMPLE_RATE:10000}</span>
 
-<span style="color:#f92672">receiver-log</span>:
-  <span style="color:#f92672">selector</span>: <span style="color:#ae81ff">${SW_RECEIVER_LOG:default}</span>
-  <span style="color:#f92672">default</span>:
+<span style="color:#f92672">log-analyzer</span>:
+   <span style="color:#f92672">selector</span>: <span style="color:#ae81ff">${SW_LOG_ANALYZER:default}</span>
+   <span style="color:#f92672">default</span>:
+      <span style="color:#f92672">lalFiles</span>: <span style="color:#ae81ff">${SW_LOG_LAL_FILES:default}</span>
+      <span style="color:#f92672">malFiles</span>: <span style="color:#ae81ff">${SW_LOG_MAL_FILES:&#34;&#34;}</span>
   
 <span style="color:#f92672">configuration-discovery</span>:
   <span style="color:#f92672">selector</span>: <span style="color:#ae81ff">${SW_CONFIGURATION_DISCOVERY:default}</span>
diff --git a/docs/main/latest/en/setup/backend/backend-setting-override/index.html b/docs/main/latest/en/setup/backend/backend-setting-override/index.html
index 6e4ad81..04f7b09 100644
--- a/docs/main/latest/en/setup/backend/backend-setting-override/index.html
+++ b/docs/main/latest/en/setup/backend/backend-setting-override/index.html
@@ -321,6 +321,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -360,6 +376,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -568,7 +592,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -579,7 +603,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -778,6 +802,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -910,7 +942,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-setup/index.html b/docs/main/latest/en/setup/backend/backend-setup/index.html
index 80d5368..997ede4 100644
--- a/docs/main/latest/en/setup/backend/backend-setup/index.html
+++ b/docs/main/latest/en/setup/backend/backend-setup/index.html
@@ -31,7 +31,7 @@ application.yml The core concept behind this setting file is, SkyWalking collect
 Startup script The default startup scripts are /bin/oapService.sh(.bat). Read start up mode document to know other options of starting backend.
 application.yml The core concept behind this setting file is, SkyWalking collector is based on pure modularization design. End user can switch or assemble the collector features by their own requirements.">
 
-<meta itemprop="wordCount" content="1239">
+<meta itemprop="wordCount" content="1241">
 
 
 
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1104,6 +1136,7 @@ And learn how to write your own conversion rules.</li>
 <li><a href="../backend-meter">Meter Analysis</a>. Set up the backend analysis rules, when use <a href="../../service-agent/java-agent/readme#advanced-features">SkyWalking Meter System Toolkit</a>
 or meter plugins.</li>
 <li><a href="../spring-sleuth-setup">Spring Sleuth Metrics Analysis</a>. Configure the agent and backend to receiver metrics from micrometer.</li>
+<li><a href="../log-analyzer">Log Analyzer</a></li>
 </ol>
 <h2 id="telemetry-for-backend">Telemetry for backend</h2>
 <p>OAP backend cluster itself underlying is a distributed streaming process system. For helping the Ops team,
diff --git a/docs/main/latest/en/setup/backend/backend-start-up-mode/index.html b/docs/main/latest/en/setup/backend/backend-start-up-mode/index.html
index c6aa4e2..f847e58 100644
--- a/docs/main/latest/en/setup/backend/backend-start-up-mode/index.html
+++ b/docs/main/latest/en/setup/backend/backend-start-up-mode/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/backend-storage/index.html b/docs/main/latest/en/setup/backend/backend-storage/index.html
index 15040e3..5c12d61 100644
--- a/docs/main/latest/en/setup/backend/backend-storage/index.html
+++ b/docs/main/latest/en/setup/backend/backend-storage/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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diff --git a/docs/main/latest/en/setup/backend/backend-telemetry/index.html b/docs/main/latest/en/setup/backend/backend-telemetry/index.html
index 143f504..a3b1529 100644
--- a/docs/main/latest/en/setup/backend/backend-telemetry/index.html
+++ b/docs/main/latest/en/setup/backend/backend-telemetry/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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diff --git a/docs/main/latest/en/setup/backend/backend-token-auth/index.html b/docs/main/latest/en/setup/backend/backend-token-auth/index.html
index e32163b..c306e20 100644
--- a/docs/main/latest/en/setup/backend/backend-token-auth/index.html
+++ b/docs/main/latest/en/setup/backend/backend-token-auth/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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diff --git a/docs/main/latest/en/setup/backend/backend-ui-setup/index.html b/docs/main/latest/en/setup/backend/backend-ui-setup/index.html
index b097803..e21bbd4 100644
--- a/docs/main/latest/en/setup/backend/backend-ui-setup/index.html
+++ b/docs/main/latest/en/setup/backend/backend-ui-setup/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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diff --git a/docs/main/latest/en/setup/backend/backend-zabbix/index.html b/docs/main/latest/en/setup/backend/backend-zabbix/index.html
index 6d9d681..c573ae4 100644
--- a/docs/main/latest/en/setup/backend/backend-zabbix/index.html
+++ b/docs/main/latest/en/setup/backend/backend-zabbix/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
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@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
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-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
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+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1007,7 +1039,7 @@ from agents, as well as which rule files to load.</p>
 <p>OAP can load the configuration at bootstrap. If the new configuration is not well-formed, OAP fails to start up. The files
 are located at <code>$CLASSPATH/zabbix-rules</code>.</p>
 <p>The file is written in YAML format, defined by the scheme described below. Square brackets indicate that a parameter is optional.</p>
-<p>An example for zabbix agent configuration could be found <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/test/e2e/e2e-test/docker/zabbix/zabbix_agentd.conf">here</a>.
+<p>An example for zabbix agent configuration could be found <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/test/e2e/e2e-test/docker/zabbix/zabbix_agentd.conf">here</a>.
 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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+++ b/docs/main/latest/en/setup/backend/configuration-vocabulary/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
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+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
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     })
   })()
 </script>
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+++ b/docs/main/latest/en/setup/backend/dynamic-config/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
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+
+    
+
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@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1058,7 +1090,7 @@ At the same time, some of them are supporting dynamic settings from upstream man
     <span style="color:#f92672">period</span>: <span style="color:#ae81ff">${SW_DCS_PERIOD:20}</span>
   <span style="color:#75715e"># ... other implementations</span>
 </code></pre></div><h2 id="dynamic-configuration-service-dcs">Dynamic Configuration Service, DCS</h2>
-<p><a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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>:
diff --git a/docs/main/latest/en/setup/backend/endpoint-grouping-rules/index.html b/docs/main/latest/en/setup/backend/endpoint-grouping-rules/index.html
index 301f407..33ab585 100644
--- a/docs/main/latest/en/setup/backend/endpoint-grouping-rules/index.html
+++ b/docs/main/latest/en/setup/backend/endpoint-grouping-rules/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/grpc-ssl/index.html b/docs/main/latest/en/setup/backend/grpc-ssl/index.html
index b787fb9..b0bf578 100644
--- a/docs/main/latest/en/setup/backend/grpc-ssl/index.html
+++ b/docs/main/latest/en/setup/backend/grpc-ssl/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -988,7 +1020,7 @@ exchanges. Now OAP supports to enable SSL transportation for gRPC receivers.</p>
 <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/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/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>
diff --git a/docs/main/latest/en/setup/backend/ui-setup/index.html b/docs/main/latest/en/setup/backend/log-analyzer/index.html
similarity index 87%
copy from docs/main/latest/en/setup/backend/ui-setup/index.html
copy to docs/main/latest/en/setup/backend/log-analyzer/index.html
index 6ef4648..b2a97cf 100644
--- a/docs/main/latest/en/setup/backend/ui-setup/index.html
+++ b/docs/main/latest/en/setup/backend/log-analyzer/index.html
@@ -19,31 +19,25 @@
 <meta name="msapplication-TileColor" content="#da532c">
 <meta name="theme-color" content="#ffffff">
 
-<title>UI | Apache SkyWalking</title><meta property="og:title" content="UI" />
-<meta property="og: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.
- Listening port. Backend connect info.  server: port: 8080 collector: path: /graphql ribbon: ReadTimeout: 10000 # Point to all backend&#39;s restHost:restPort, split by ,  listOfServers: 10." />
+<title>Log Analyzer | Apache SkyWalking</title><meta property="og:title" content="Log Analyzer" />
+<meta property="og:description" content="Log Analyzer Log analyzer supports native log data. OAP could use Log Analysis Language to structurize log content through parse, extract, and save logs. Also the analyzer leverages Meter Analysis Language Engine for further metrics calculation.
+log-analyzer: selector: ${SW_LOG_ANALYZER:default} default: lalFiles: ${SW_LOG_LAL_FILES:default} malFiles: ${SW_LOG_MAL_FILES:&#34;&#34;} Read Log Analysis Language documentation to learn log structurize and metrics analysis." />
 <meta property="og:type" content="article" />
-<meta property="og:url" content="/docs/main/latest/en/setup/backend/ui-setup/" />
+<meta property="og:url" content="/docs/main/latest/en/setup/backend/log-analyzer/" />
 
-<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.
- Listening port. Backend connect info.  server: port: 8080 collector: path: /graphql ribbon: ReadTimeout: 10000 # Point to all backend&#39;s restHost:restPort, split by ,  listOfServers: 10.">
+<meta itemprop="name" content="Log Analyzer">
+<meta itemprop="description" content="Log Analyzer Log analyzer supports native log data. OAP could use Log Analysis Language to structurize log content through parse, extract, and save logs. Also the analyzer leverages Meter Analysis Language Engine for further metrics calculation.
+log-analyzer: selector: ${SW_LOG_ANALYZER:default} default: lalFiles: ${SW_LOG_LAL_FILES:default} malFiles: ${SW_LOG_MAL_FILES:&#34;&#34;} Read Log Analysis Language documentation to learn log structurize and metrics analysis.">
 
-<meta itemprop="wordCount" content="69">
+<meta itemprop="wordCount" content="56">
 
 
 
 <meta itemprop="keywords" content="" />
 <meta name="twitter:card" content="summary"/>
-<meta name="twitter:title" content="UI"/>
-<meta name="twitter: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.
- Listening port. Backend connect info.  server: port: 8080 collector: path: /graphql ribbon: ReadTimeout: 10000 # Point to all backend&#39;s restHost:restPort, split by ,  listOfServers: 10."/>
+<meta name="twitter:title" content="Log Analyzer"/>
+<meta name="twitter:description" content="Log Analyzer Log analyzer supports native log data. OAP could use Log Analysis Language to structurize log content through parse, extract, and save logs. Also the analyzer leverages Meter Analysis Language Engine for further metrics calculation.
+log-analyzer: selector: ${SW_LOG_ANALYZER:default} default: lalFiles: ${SW_LOG_LAL_FILES:default} malFiles: ${SW_LOG_MAL_FILES:&#34;&#34;} Read Log Analysis Language documentation to learn log structurize and metrics analysis."/>
 
 <script type="application/javascript">
 var doNotTrack = false;
@@ -72,7 +66,7 @@ if (!doNotTrack) {
 
 
 
-    <title>UI | Apache SkyWalking</title>
+    <title>Log Analyzer | Apache SkyWalking</title>
   </head>
   <body class="td-page  project-doc">
     <header>
@@ -309,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -983,27 +1009,17 @@ if (!doNotTrack) {
 
 
 
-	<h1 id="ui">UI</h1>
-<p>SkyWalking UI distribution is already included in our Apache official release.</p>
-<h2 id="startup">Startup</h2>
-<p>Startup script is also in <code>/bin/webappService.sh</code>(.bat). UI runs as an OS Java process, powered-by Zuul.</p>
-<h2 id="settings">Settings</h2>
-<p>Setting file of UI is  <code>webapp/webapp.yml</code> in distribution package. It is constituted by three parts.</p>
-<ol>
-<li>Listening port.</li>
-<li>Backend connect info.</li>
-</ol>
-<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">server</span>:
-  <span style="color:#f92672">port</span>: <span style="color:#ae81ff">8080</span>
-
-<span style="color:#f92672">collector</span>:
-  <span style="color:#f92672">path</span>: <span style="color:#ae81ff">/graphql</span>
-  <span style="color:#f92672">ribbon</span>:
-    <span style="color:#f92672">ReadTimeout</span>: <span style="color:#ae81ff">10000</span>
-    <span style="color:#75715e"># Point to all backend&#39;s restHost:restPort, split by , </span>
-    <span style="color:#f92672">listOfServers</span>: <span style="color:#ae81ff">10.2.34.1</span>:<span style="color:#ae81ff">12800</span>,<span style="color:#ae81ff">10.2.34.2</span>:<span style="color:#ae81ff">12800</span>
+	<h2 id="log-analyzer">Log Analyzer</h2>
+<p>Log analyzer supports native log data. OAP could use Log Analysis Language to
+structurize log content through parse, extract, and save logs.
+Also the analyzer leverages Meter Analysis Language Engine for further metrics calculation.</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">log-analyzer</span>:
+  <span style="color:#f92672">selector</span>: <span style="color:#ae81ff">${SW_LOG_ANALYZER:default}</span>
+  <span style="color:#f92672">default</span>:
+    <span style="color:#f92672">lalFiles</span>: <span style="color:#ae81ff">${SW_LOG_LAL_FILES:default}</span>
+    <span style="color:#f92672">malFiles</span>: <span style="color:#ae81ff">${SW_LOG_MAL_FILES:&#34;&#34;}</span>
+</code></pre></div><p>Read <a href="../../../concepts-and-designs/lal">Log Analysis Language</a> documentation to learn log structurize and metrics analysis.</p>
 
-</code></pre></div>
 
 
 
diff --git a/docs/main/latest/en/setup/backend/metrics-exporter/index.html b/docs/main/latest/en/setup/backend/metrics-exporter/index.html
index 20c2f3d..bd6f21d 100644
--- a/docs/main/latest/en/setup/backend/metrics-exporter/index.html
+++ b/docs/main/latest/en/setup/backend/metrics-exporter/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/service-auto-grouping/index.html b/docs/main/latest/en/setup/backend/service-auto-grouping/index.html
index a371d3f..140573c 100644
--- a/docs/main/latest/en/setup/backend/service-auto-grouping/index.html
+++ b/docs/main/latest/en/setup/backend/service-auto-grouping/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/slow-db-statement/index.html b/docs/main/latest/en/setup/backend/slow-db-statement/index.html
index 2d7a64d..9e76d61 100644
--- a/docs/main/latest/en/setup/backend/slow-db-statement/index.html
+++ b/docs/main/latest/en/setup/backend/slow-db-statement/index.html
@@ -312,6 +312,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -351,6 +367,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -559,7 +583,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -570,7 +594,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -769,6 +793,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -901,7 +933,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/spring-sleuth-setup/index.html b/docs/main/latest/en/setup/backend/spring-sleuth-setup/index.html
index b1f4a36..06411a7 100644
--- a/docs/main/latest/en/setup/backend/spring-sleuth-setup/index.html
+++ b/docs/main/latest/en/setup/backend/spring-sleuth-setup/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1019,7 +1051,7 @@ SkywalkingMeterRegistry <span style="color:#a6e22e">skywalkingMeterRegistry</spa
   <span style="color:#f92672">selector</span>: <span style="color:#ae81ff">${SW_RECEIVER_METER:default}</span>
   <span style="color:#f92672">default</span>:
 </code></pre></div><ol start="2">
-<li>Configure the meter config file, It already has the <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/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/9ba17cf22827738cda772ee7264807df90d85356/oap-server/server-bootstrap/src/main/resources/meter-analyzer-config/spring-sleuth.yaml">spring sleuth meter config</a>.
 If you also has some customized meter at the agent side, please read <a href="../backend-meter#meters-configure">meter document</a> to configure meter.</li>
 </ol>
 <h2 id="add-ui-dashboard">Add UI dashboard</h2>
diff --git a/docs/main/latest/en/setup/backend/trace-sampling/index.html b/docs/main/latest/en/setup/backend/trace-sampling/index.html
index 29279ae..d0d0ec6 100644
--- a/docs/main/latest/en/setup/backend/trace-sampling/index.html
+++ b/docs/main/latest/en/setup/backend/trace-sampling/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/ttl/index.html b/docs/main/latest/en/setup/backend/ttl/index.html
index d7f52d2..a3a6b30 100644
--- a/docs/main/latest/en/setup/backend/ttl/index.html
+++ b/docs/main/latest/en/setup/backend/ttl/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/ui-setup/index.html b/docs/main/latest/en/setup/backend/ui-setup/index.html
index 6ef4648..256691c 100644
--- a/docs/main/latest/en/setup/backend/ui-setup/index.html
+++ b/docs/main/latest/en/setup/backend/ui-setup/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/backend/uninstrumented-gateways/index.html b/docs/main/latest/en/setup/backend/uninstrumented-gateways/index.html
index 4b69f1c..329de3b 100644
--- a/docs/main/latest/en/setup/backend/uninstrumented-gateways/index.html
+++ b/docs/main/latest/en/setup/backend/uninstrumented-gateways/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/envoy/als_setting/index.html b/docs/main/latest/en/setup/envoy/als_setting/index.html
index 596b271..36fb687 100644
--- a/docs/main/latest/en/setup/envoy/als_setting/index.html
+++ b/docs/main/latest/en/setup/envoy/als_setting/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/envoy/examples/metrics/readme/index.html b/docs/main/latest/en/setup/envoy/examples/metrics/readme/index.html
index 51b447b..01f3f3e 100644
--- a/docs/main/latest/en/setup/envoy/examples/metrics/readme/index.html
+++ b/docs/main/latest/en/setup/envoy/examples/metrics/readme/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/envoy/metrics_service_setting/index.html b/docs/main/latest/en/setup/envoy/metrics_service_setting/index.html
index 2f7a7ac..627710b 100644
--- a/docs/main/latest/en/setup/envoy/metrics_service_setting/index.html
+++ b/docs/main/latest/en/setup/envoy/metrics_service_setting/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/istio/readme/index.html b/docs/main/latest/en/setup/istio/readme/index.html
index dcf5b36..6f32b65 100644
--- a/docs/main/latest/en/setup/istio/readme/index.html
+++ b/docs/main/latest/en/setup/istio/readme/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
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diff --git a/docs/main/latest/en/setup/readme/index.html b/docs/main/latest/en/setup/readme/index.html
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+++ b/docs/main/latest/en/setup/readme/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
@@ -1063,7 +1095,7 @@ for the Browser or JavaScript based mobile app.</p>
 <h2 id="setup-backend">Setup backend</h2>
 <p>Follow <a href="../backend/backend-ui-setup">backend and UI setup document</a> to understand how the backend and UI configuration works. Different scenarios and advanced features are also explained.</p>
 <h2 id="changes-log">Changes log</h2>
-<p>Backend, UI and Java agent changes are available <a href="https://github.com/apache/skywalking/tree/cb00d6312f0bab88a2a8e3f13b1ed9278332d587/CHANGES.md">here</a>.</p>
+<p>Backend, UI and Java agent changes are available <a href="https://github.com/apache/skywalking/tree/9ba17cf22827738cda772ee7264807df90d85356/CHANGES.md">here</a>.</p>
 
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/kotlin-coroutine-plugin/index.html b/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/kotlin-coroutine-plugin/index.html
index 48b1df7..c4ac43b 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/kotlin-coroutine-plugin/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/agent-optional-plugins/kotlin-coroutine-plugin/index.html
@@ -309,6 +309,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -348,6 +364,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -556,7 +580,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -567,7 +591,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -766,6 +790,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -898,7 +930,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index 0e600e9..03f96c3 100644
--- 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
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index eebedb0..0976e25 100644
--- 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
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index 185e6a5..36cdeb7 100644
--- 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
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -553,7 +577,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -564,7 +588,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -763,6 +787,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -895,7 +927,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index 78736c1..4f79d2b 100644
--- 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
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
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
index 930d993..d0acd13 100644
--- 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
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-logback-1.x/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-logback-1.x/index.html
index 720a473..c8a8613 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-logback-1.x/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-logback-1.x/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-meter/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-meter/index.html
index 24123b8..3b038a2 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-meter/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-meter/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-micrometer/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-micrometer/index.html
index 15e9902..a0c7b22 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-micrometer/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-micrometer/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace-cross-thread/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace-cross-thread/index.html
index 5115792..4e62c08 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace-cross-thread/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace-cross-thread/index.html
@@ -300,6 +300,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -339,6 +355,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -547,7 +571,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -558,7 +582,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -757,6 +781,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -889,7 +921,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace/index.html b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace/index.html
index 94002f3..6e02f8e 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/application-toolkit-trace/index.html
@@ -303,6 +303,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -342,6 +358,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -550,7 +574,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-ui-setup">Backend, UI and CLI<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -561,7 +585,7 @@ if (!doNotTrack) {
         
 
             
-            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup document<i class="fa fa-angle-left pull-right"></i></a>
+            <a href="/docs/main/latest/en/setup/backend/backend-setup">Backend setup<i class="fa fa-angle-left pull-right"></i></a>
             
 
             
@@ -760,6 +784,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/setup/backend/log-analyzer">Log Analyzer</a>
+        
+    </li>
+
+    
+
 </ul>
 
         
@@ -892,7 +924,7 @@ if (!doNotTrack) {
     })
   })()
 </script>
-                    <div class="commit-id">Commit Id: cb00d63</div>
+                    <div class="commit-id">Commit Id: 9ba17cf</div>
                     
 
 
diff --git a/docs/main/latest/en/setup/service-agent/java-agent/configuration-discovery/index.html b/docs/main/latest/en/setup/service-agent/java-agent/configuration-discovery/index.html
index cd93909..9f21145 100644
--- a/docs/main/latest/en/setup/service-agent/java-agent/configuration-discovery/index.html
+++ b/docs/main/latest/en/setup/service-agent/java-agent/configuration-discovery/index.html
@@ -306,6 +306,22 @@ if (!doNotTrack) {
 
     <li>
         
+            <a href="/docs/main/latest/en/concepts-and-designs/mal">Meter Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/lal">Log Analysis Language</a>
+        
+    </li>
+
+    
+
+    <li>
+        
             <a href="/docs/main/latest/en/protocols/readme#query-protocol">Query in OAP</a>
         
     </li>
@@ -345,6 +361,14 @@ if (!doNotTrack) {
 
     
 
+    <li>
+        
+            <a href="/docs/main/latest/en/concepts-and-designs/event/"></a>
+        
+    </li>
+
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