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Posted to notifications@skywalking.apache.org by gi...@apache.org on 2021/02/05 06:26:49 UTC

[skywalking-website] branch asf-site updated: deploy: 9684fc4956d83669d554e075cced1a3f7b571883

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 3bf623e  deploy: 9684fc4956d83669d554e075cced1a3f7b571883
3bf623e is described below

commit 3bf623efb952fed90a67643906ac66cd1e4de5bd
Author: wu-sheng <wu...@users.noreply.github.com>
AuthorDate: Fri Feb 5 06:26:37 2021 +0000

    deploy: 9684fc4956d83669d554e075cced1a3f7b571883
---
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 .../index.html                                     |  11 +-
 blog/2019-01-01-understand-trace/index.html        |  11 +-
 blog/2019-01-25-mesh-loadtest/index.html           |  11 +-
 blog/2019-09-25-alarm-webhook-share/index.html     |  11 +-
 .../index.html                                     |  11 +-
 .../index.html                                     |  11 +-
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 blog/2020-11-21-apachecon-keynote/index.html       |  11 +-
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 .../index.html                                     |  11 +-
 blog/2021-02-01-e2e-verifier-design/index.html     |  13 +-
 blog/e2e-design/index.html                         |  11 +-
 blog/index.html                                    |  40 ++-
 blog/index.xml                                     |  69 ++++
 blog/page/2/index.html                             |  39 ++-
 blog/page/3/index.html                             |  23 +-
 blog/skywalking8-4-release/figure01.png            | Bin 0 -> 757779 bytes
 blog/skywalking8-4-release/figure02.png            | Bin 0 -> 595498 bytes
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 blog/skywalking8-4-release/heading.png             | Bin 0 -> 97101 bytes
 .../index.html                                     | 137 +++++---
 .../release-apache-skwaylking-apm-8-3-0/index.html |   4 +-
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 .../index.html                                     |   4 +-
 .../index.html                                     |   4 +-
 .../index.html                                     |   4 +-
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 .../index.html                                     |   4 +-
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 .../index.html                                     |   4 +-
 .../index.html                                     |   4 +-
 .../skywalking-nginx-lua-0-1-0-release/index.html  |   4 +-
 .../index.html                                     |   4 +-
 events/welcome-gui-cao-as-new-committer/index.html |   4 +-
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 sitemap.xml                                        | 386 +++++++++++----------
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 193 files changed, 1383 insertions(+), 662 deletions(-)

diff --git a/blog/2018-05-24-skywalking-net/index.html b/blog/2018-05-24-skywalking-net/index.html
index 528af92..253c0ce 100644
--- a/blog/2018-05-24-skywalking-net/index.html
+++ b/blog/2018-05-24-skywalking-net/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2018-05-24-skywalking-net/" />
 <meta property="article:published_time" content="2018-05-24T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="Apache SkyWalking provides open source APM and distributed tracing in .NET Core field">
 <meta itemprop="description" content="SkyWalking .NET Core SDK is available.">
 <meta itemprop="datePublished" content="2018-05-24T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
+<meta itemprop="dateModified" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="wordCount" content="349">
 
 
@@ -294,6 +294,11 @@ dotnet run -p sample/SkyWalking.Sample.Frontend</p>
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -305,7 +310,7 @@ dotnet run -p sample/SkyWalking.Sample.Frontend</p>
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/blog/2018-12-12-skywalking-service-mesh-ready/index.html b/blog/2018-12-12-skywalking-service-mesh-ready/index.html
index 5ae645d..691bb5f 100644
--- a/blog/2018-12-12-skywalking-service-mesh-ready/index.html
+++ b/blog/2018-12-12-skywalking-service-mesh-ready/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2018-12-12-skywalking-service-mesh-ready/" />
 <meta property="article:published_time" content="2018-12-05T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="SkyWalking v6 is Service Mesh ready">
 <meta itemprop="description" content="The integration of SkyWalking and Istio Service Mesh yields an essential open-source tool for resolving the chaos created by the proliferation of siloed, cloud-based services.">
 <meta itemprop="datePublished" content="2018-12-05T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
+<meta itemprop="dateModified" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="wordCount" content="990">
 
 
@@ -338,6 +338,11 @@ This is why we are embracing Skywalking, which makes service performance observa
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -349,7 +354,7 @@ This is why we are embracing Skywalking, which makes service performance observa
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/blog/2019-01-01-understand-trace/index.html b/blog/2019-01-01-understand-trace/index.html
index eacdce8..a1160b3 100644
--- a/blog/2019-01-01-understand-trace/index.html
+++ b/blog/2019-01-01-understand-trace/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2019-01-01-understand-trace/" />
 <meta property="article:published_time" content="2019-01-01T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="Understand distributed trace easier in the incoming 6-GA">
 <meta itemprop="description" content="Distributed tracing is a necessary part of modern microservices architecture, but how to understand or use distributed tracing data is unclear to some end users. This blog overviews typical distributed tracing use cases with new visualization features in SkyWalking v6.">
 <meta itemprop="datePublished" content="2019-01-01T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
+<meta itemprop="dateModified" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="wordCount" content="702">
 
 
@@ -295,6 +295,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -306,7 +311,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/blog/2019-01-25-mesh-loadtest/index.html b/blog/2019-01-25-mesh-loadtest/index.html
index 49f074e..04f9dcc 100644
--- a/blog/2019-01-25-mesh-loadtest/index.html
+++ b/blog/2019-01-25-mesh-loadtest/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2019-01-25-mesh-loadtest/" />
 <meta property="article:published_time" content="2019-01-25T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="SkyWalking performance in Service Mesh scenario">
 <meta itemprop="description" content="Service mesh receiver performance test on Google Kubernetes Engine.">
 <meta itemprop="datePublished" content="2019-01-25T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
+<meta itemprop="dateModified" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="wordCount" content="758">
 
 
@@ -297,6 +297,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -308,7 +313,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/blog/2019-09-25-alarm-webhook-share/index.html b/blog/2019-09-25-alarm-webhook-share/index.html
index 1b06350..ec9ee30 100644
--- a/blog/2019-09-25-alarm-webhook-share/index.html
+++ b/blog/2019-09-25-alarm-webhook-share/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2019-09-25-alarm-webhook-share/" />
 <meta property="article:published_time" content="2019-09-25T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="SkyWalking alarm webhook sharing">
 <meta itemprop="description" content=" Alerts via SkyWalking alarm webhook for better perception of tracing.">
 <meta itemprop="datePublished" content="2019-09-25T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
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 <meta itemprop="wordCount" content="104">
 
 
@@ -282,6 +282,11 @@ bash build/build.sh
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -293,7 +298,7 @@ bash build/build.sh
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/blog/2020-01-20-celebrate-200th-contributor/index.html b/blog/2020-01-20-celebrate-200th-contributor/index.html
index c86a152..6077aee 100644
--- a/blog/2020-01-20-celebrate-200th-contributor/index.html
+++ b/blog/2020-01-20-celebrate-200th-contributor/index.html
@@ -24,11 +24,11 @@
 <meta property="og:type" content="article" />
 <meta property="og:url" content="/blog/2020-01-20-celebrate-200th-contributor/" />
 <meta property="article:published_time" content="2020-01-20T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="SkyWalking hits 200 contributors mark">
 <meta itemprop="description" content=" SkyWalking community joins the 200&#43; contributors open source club.">
 <meta itemprop="datePublished" content="2020-01-20T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
+<meta itemprop="dateModified" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="wordCount" content="643">
 
 
@@ -263,6 +263,11 @@ At the moment of graduation in spring 2019, the project had 100 contributors. No
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -274,7 +279,7 @@ At the moment of graduation in spring 2019, the project had 100 contributors. No
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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index 0ca10f3..1dba9b7 100644
--- a/blog/2020-04-13-apache-skywalking-profiling/index.html
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@@ -311,6 +311,11 @@ try {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
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@@ -322,7 +327,7 @@ try {
         
         <li>
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+            <span class="count">4</span>
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index 4f39882..cecbaac 100644
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-<meta itemprop="dateModified" content="2021-02-05T13:53:01+08:00" />
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@@ -314,6 +314,11 @@ Apdex Score  =  ------------------------------------------------------
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -325,7 +330,7 @@ Apdex Score  =  ------------------------------------------------------
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
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index c0403bb..0a4633a 100644
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+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="datePublished" content="2020-08-03T00:00:00+00:00" />
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@@ -281,6 +281,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -292,7 +297,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
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index b37799e..a0cc74c 100644
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@@ -318,6 +318,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -329,7 +334,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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index 11cfd48..55f5791 100644
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@@ -281,6 +281,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
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@@ -292,7 +297,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
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index a199ec2..671d21a 100644
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@@ -254,6 +254,11 @@ Many developers have joined the ASF as new contributors, committers, foundation
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
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+        <li>
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         <li>
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@@ -252,6 +252,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
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+        <li>
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         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
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index 956e49c..a24f46e 100644
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@@ -253,6 +253,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
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+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
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         <li>
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index 1c23768..46f0aa8 100644
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@@ -253,6 +253,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
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+        
+        <li>
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@@ -264,7 +269,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
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index 8822868..a0e3f83 100644
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@@ -253,6 +253,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -264,7 +269,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
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--- a/blog/2020-11-25-skywalking-satellite-0.1.0-design/index.html
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@@ -460,6 +460,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
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+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
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@@ -471,7 +476,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
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index 96811e6..88a27cc 100644
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@@ -388,6 +388,11 @@ If you want to  have commercial support for the ALS solution or hybrid mesh obse
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         <li>
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+        <li>
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         <li>
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 <meta itemprop="name" content="Celebrate SkyWalking single repository hits the 300 contributors mark">
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@@ -642,6 +642,11 @@ quicker than before, like why we named the project as SkyWalking, we will have a
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
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diff --git a/blog/2021-01-17-elastic-change-license/index.html b/blog/2021-01-17-elastic-change-license/index.html
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 <meta itemprop="description" content="Elastic Search server doesn&#39;t release under Apache 2.0 anymore. What is the impact to the SkyWalking project?">
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@@ -271,6 +271,11 @@ In the later 2021, we will begin to invest the posibility of creating SkyWalking
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
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@@ -282,7 +287,7 @@ In the later 2021, we will begin to invest the posibility of creating SkyWalking
         
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-            <span class="count">3</span>
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diff --git a/blog/2021-01-23-tencent-cloud-violates-aplv2/index.html b/blog/2021-01-23-tencent-cloud-violates-aplv2/index.html
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+<meta property="article:modified_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="[Resolved][License Issue] Tencent Cloud TSW service violates the Apache 2.0 License when using SkyWalking.">
 <meta itemprop="description" content="Tencent Cloud Service, Tencent Service Watcher - TSW, have been reported as it violates Apache 2.0 License requirements.">
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@@ -279,6 +279,11 @@ took the following actions to connect with Tencent.</p>
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -290,7 +295,7 @@ took the following actions to connect with Tencent.</p>
         
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             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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-    <a  class="btn btn-primary  disabled">Next <span class="ml-1">→</span></a>
+    <a href="/blog/skywalking8-4-release/" class="btn btn-primary ">Next <span class="ml-1">→</span></a>
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 </ul>
 
@@ -376,6 +376,11 @@ if (!doNotTrack) {
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
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@@ -481,6 +481,11 @@ func run() {
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
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@@ -492,7 +497,7 @@ func run() {
         
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+            <span class="count">4</span>
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diff --git a/blog/index.html b/blog/index.html
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@@ -173,6 +173,23 @@ if (!doNotTrack) {
 			
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+					<h5 class="mt-0 mb-1"><a href="/blog/skywalking8-4-release/">Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</a></h5>
+					<p class="mb-2 mb-md-3"><small class="text-muted">Friday, February 05, 2021 in Blog</small></p>
+					
+
+
+
+
+
+					<p class="pt-0 mt-0"> Origin: Tetrate.io blog
+ The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area. The release also advances SkyWalking’s …</p>
+					<p class="pt-0 mt-0">Logs, VM Monitoring, and Dynamic Configurations at Agent Side</p>
+					<p class="pt-0"><a href="/blog/skywalking8-4-release/">Read more</a></p>
+				</div>
+			</li>
+			
+			<li class="media mb-4">
+				<div class="media-body">
 					<h5 class="mt-0 mb-1"><a href="/blog/2021-02-01-e2e-verifier-design/">[Design] The Verifier of NGE2E</a></h5>
 					<p class="mb-2 mb-md-3"><small class="text-muted">Monday, February 01, 2021 in Blog</small></p>
 					
@@ -324,22 +341,6 @@ Just 11 months ago, on Jan. 20th, 2020, SkyWalking hit the 200 contributors mark
 				</div>
 			</li>
 			
-			<li class="media mb-4">
-				<div class="media-body">
-					<h5 class="mt-0 mb-1"><a href="/blog/2020-11-21-apachecon-obs-apisix/">[Video] Improve Apache APISIX observability with Apache SkyWalking</a></h5>
-					<p class="mb-2 mb-md-3"><small class="text-muted">Saturday, November 21, 2020 in Blog</small></p>
-					
-
-
-
-
-
-					<p class="pt-0 mt-0">Apache APISIX is a cloud-native microservices API gateway, delivering the ultimate performance, security, open-source and scalable platform for all your APIs and microservices. Apache SkyWalking: an APM(application performance monitor) system, …</p>
-					<p class="pt-0 mt-0">ApacheCon@Home 2020 Observability Track</p>
-					<p class="pt-0"><a href="/blog/2020-11-21-apachecon-obs-apisix/">Read more</a></p>
-				</div>
-			</li>
-			
 		</ul>
 		
 	</div>
@@ -421,6 +422,11 @@ Just 11 months ago, on Jan. 20th, 2020, SkyWalking hit the 200 contributors mark
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -432,7 +438,7 @@ Just 11 months ago, on Jan. 20th, 2020, SkyWalking hit the 200 contributors mark
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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diff --git a/blog/index.xml b/blog/index.xml
index 52b12de..446ae66 100644
--- a/blog/index.xml
+++ b/blog/index.xml
@@ -14,6 +14,75 @@
     
     
     <item>
+      <title>Blog: Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</title>
+      <link>/blog/skywalking8-4-release/</link>
+      <pubDate>Fri, 05 Feb 2021 00:00:00 +0000</pubDate>
+      
+      <guid>/blog/skywalking8-4-release/</guid>
+      <description>
+        
+        
+        &lt;p&gt;&lt;img src=&#34;heading.png&#34; alt=&#34;&#34;&gt;&lt;/p&gt;
+&lt;blockquote&gt;
+&lt;p&gt;Origin: &lt;a href=&#34;https://www.tetrate.io/blog/skywalking-8-4/&#34;&gt;Tetrate.io blog&lt;/a&gt;&lt;/p&gt;
+&lt;/blockquote&gt;
+&lt;p&gt;The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area.
+The release also advances SkyWalking’s capabilities  for infrastructure observability, starting with virtual machine monitoring.&lt;/p&gt;
+&lt;h2 id=&#34;background&#34;&gt;Background&lt;/h2&gt;
+&lt;p&gt;SkyWalking has historically focused on the tracing and metrics fields of observability.
+As its features for tracing, metrics and service level monitoring have become more and more powerful and stable, the SkyWalking team has started to explore new scenarios covered by observability.
+Because service performance is reflected in the logs, and is highly impacted by the infrastructure on which it runs, SkyWalking brings these two fields into the 8.4 release.
+This release blog briefly introduces the two new features as well as some other notable changes.&lt;/p&gt;
+&lt;h2 id=&#34;logs&#34;&gt;Logs&lt;/h2&gt;
+&lt;p&gt;Metrics, tracing, and logging are considered the three pillars of observability [1]. SkyWalking had the full features of metrics and tracing prior to 8.4; today, as 8.4 is released, the last piece of the jigsaw is now in place.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure01.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 1: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure02.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 2: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;The Java agent firstly provides SDKs to enhance the widely-used logging frameworks, log4j (1.x and 2.x) [2] and logback [3], and send the logs to the SkyWalking backend (OAP).
+The latter is able to collect logs from wherever the protocol is  implemented.
+This is not a big deal, but when it comes to the correlation between logs and traces, the traditional solution is to print the trace IDs in the logs, and pick the IDs in the error logs to query the related traces.
+SkyWalking just simplifies the workflow by correlating the logs and traces natively. Navigating between traces and their related logs is as simple as clicking a button.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure03.png&#34; alt=&#34;Correlation Between Logs and Traces&#34;&gt;
+Figure 3: Correlation Between Logs and Traces&lt;/p&gt;
+&lt;h2 id=&#34;infrastructure-monitoring&#34;&gt;Infrastructure Monitoring&lt;/h2&gt;
+&lt;p&gt;SkyWalking is known as an application performance monitoring tool. One of the most important factors that impacts the application’s performance is the infrastructure on which the application runs.
+In the 8.4 release, we added the monitoring metrics of virtual machines into the dashboard.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure04.png&#34; alt=&#34;VM Metrics&#34;&gt;
+Figure 4: VM Metrics&lt;/p&gt;
+&lt;p&gt;Fundamental metrics such as &lt;code&gt;CPU Used&lt;/code&gt;, &lt;code&gt;Memory Used&lt;/code&gt;,  &lt;code&gt;Disk Read / Write&lt;/code&gt; and &lt;code&gt;Network Usage&lt;/code&gt; are available on the dashboard.
+And as usual, those metrics are also available to be configured as alarm triggers when needed.&lt;/p&gt;
+&lt;h2 id=&#34;dynamic-configurations-at-agent-side&#34;&gt;Dynamic Configurations at Agent Side&lt;/h2&gt;
+&lt;p&gt;Dynamic configuration at the backend side has long existed in SkyWalking for several versions. Now, it finally comes to the agent side!
+Prior to 8.4, you’d have to restart the target services when you modify some configuration items of the agent &amp;ndash; for instance, sampling rate (agent side), ignorable endpoint paths, etc. Now, say goodbye to rebooting.
+Modifying configurations is not the only usage of the dynamic configuration mechanism. The latter gives countless possibilities to the agent side in terms of dynamic behaviours, e.g. enabling / disabling plugins, enabling / disabling the whole agent, etc. Just imagine!&lt;/p&gt;
+&lt;h2 id=&#34;grouped-service-topology&#34;&gt;Grouped Service Topology&lt;/h2&gt;
+&lt;p&gt;This enhancement is from the UI. SkyWalking backend supports grouping the services by user-defined dimensions. In a real world use case, the services are usually grouped by business group or department. When a developer opens the topology map, out of hundreds of services, he or she may just want to focus on the services in charge. The grouped service topology comes to the rescue: one can now choose to display only services belonging to a specified group.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure05.png&#34; alt=&#34;Grouped Service Topology&#34;&gt;
+Figure 5: Grouped Service Topology&lt;/p&gt;
+&lt;h2 id=&#34;other-notable-enhancements&#34;&gt;Other Notable Enhancements&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Agent: resolves domain names to look up backend service IP addresses.&lt;/li&gt;
+&lt;li&gt;Backend: meter receiver supports meter analysis language (MAL).&lt;/li&gt;
+&lt;li&gt;Backend: several CVE fixes.&lt;/li&gt;
+&lt;li&gt;Backend: supports Envoy &lt;code&gt;{AccessLog,Metrics}Service&lt;/code&gt; API V3 and adopts MAL.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;links&#34;&gt;Links&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;[1] &lt;a href=&#34;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&#34;&gt;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[2] &lt;a href=&#34;https://logging.apache.org/log4j/2.x/&#34;&gt;https://logging.apache.org/log4j/2.x/&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[3] &lt;a href=&#34;http://logback.qos.ch&#34;&gt;http://logback.qos.ch&lt;/a&gt;&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;additional-resources&#34;&gt;Additional Resources&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Read more about the &lt;a href=&#34;https://github.com/apache/skywalking/blob/v8.4.0/changes/changes-8.4.0.md&#34;&gt;SkyWalking 8.4 release highlights&lt;/a&gt;.&lt;/li&gt;
+&lt;li&gt;Get more SkyWalking updates on &lt;a href=&#34;https://twitter.com/ASFSkyWalking&#34;&gt;Twitter&lt;/a&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+
+      </description>
+    </item>
+    
+    <item>
       <title>Blog: [Design] The Verifier of NGE2E</title>
       <link>/blog/2021-02-01-e2e-verifier-design/</link>
       <pubDate>Mon, 01 Feb 2021 00:00:00 +0000</pubDate>
diff --git a/blog/page/2/index.html b/blog/page/2/index.html
index bc700ca..fd2e7b3 100644
--- a/blog/page/2/index.html
+++ b/blog/page/2/index.html
@@ -172,6 +172,22 @@ if (!doNotTrack) {
 			
 			<li class="media mb-4">
 				<div class="media-body">
+					<h5 class="mt-0 mb-1"><a href="/blog/2020-11-21-apachecon-obs-apisix/">[Video] Improve Apache APISIX observability with Apache SkyWalking</a></h5>
+					<p class="mb-2 mb-md-3"><small class="text-muted">Saturday, November 21, 2020 in Blog</small></p>
+					
+
+
+
+
+
+					<p class="pt-0 mt-0">Apache APISIX is a cloud-native microservices API gateway, delivering the ultimate performance, security, open-source and scalable platform for all your APIs and microservices. Apache SkyWalking: an APM(application performance monitor) system, …</p>
+					<p class="pt-0 mt-0">ApacheCon@Home 2020 Observability Track</p>
+					<p class="pt-0"><a href="/blog/2020-11-21-apachecon-obs-apisix/">Read more</a></p>
+				</div>
+			</li>
+			
+			<li class="media mb-4">
+				<div class="media-body">
 					<h5 class="mt-0 mb-1"><a href="/blog/2020-11-21-apachecon-obs-shardingsphere/">[Video] Another backend storage solution for the APM system</a></h5>
 					<p class="mb-2 mb-md-3"><small class="text-muted">Saturday, November 21, 2020 in Blog</small></p>
 					
@@ -322,22 +338,6 @@ dingtalk message body …</p>
 				</div>
 			</li>
 			
-			<li class="media mb-4">
-				<div class="media-body">
-					<h5 class="mt-0 mb-1"><a href="/blog/2019-01-25-mesh-loadtest/">SkyWalking performance in Service Mesh scenario</a></h5>
-					<p class="mb-2 mb-md-3"><small class="text-muted">Friday, January 25, 2019 in Blog</small></p>
-					
-
-
-
-
-
-					<p class="pt-0 mt-0"> Author: Hongtao Gao, Apache SkyWalking &amp; ShardingShpere PMC GitHub, Twitter, Linkedin  Service mesh receiver was first introduced in Apache SkyWalking 6.0.0-beta. It is designed to provide a common entrance for receiving telemetry data from …</p>
-					<p class="pt-0 mt-0">Service mesh receiver performance test on Google Kubernetes Engine.</p>
-					<p class="pt-0"><a href="/blog/2019-01-25-mesh-loadtest/">Read more</a></p>
-				</div>
-			</li>
-			
 		</ul>
 		
 	</div>
@@ -419,6 +419,11 @@ dingtalk message body …</p>
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -430,7 +435,7 @@ dingtalk message body …</p>
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/blog/page/3/index.html b/blog/page/3/index.html
index dd727aa..10abf0a 100644
--- a/blog/page/3/index.html
+++ b/blog/page/3/index.html
@@ -172,6 +172,22 @@ if (!doNotTrack) {
 			
 			<li class="media mb-4">
 				<div class="media-body">
+					<h5 class="mt-0 mb-1"><a href="/blog/2019-01-25-mesh-loadtest/">SkyWalking performance in Service Mesh scenario</a></h5>
+					<p class="mb-2 mb-md-3"><small class="text-muted">Friday, January 25, 2019 in Blog</small></p>
+					
+
+
+
+
+
+					<p class="pt-0 mt-0"> Author: Hongtao Gao, Apache SkyWalking &amp; ShardingShpere PMC GitHub, Twitter, Linkedin  Service mesh receiver was first introduced in Apache SkyWalking 6.0.0-beta. It is designed to provide a common entrance for receiving telemetry data from …</p>
+					<p class="pt-0 mt-0">Service mesh receiver performance test on Google Kubernetes Engine.</p>
+					<p class="pt-0"><a href="/blog/2019-01-25-mesh-loadtest/">Read more</a></p>
+				</div>
+			</li>
+			
+			<li class="media mb-4">
+				<div class="media-body">
 					<h5 class="mt-0 mb-1"><a href="/blog/2019-01-01-understand-trace/">Understand distributed trace easier in the incoming 6-GA</a></h5>
 					<p class="mb-2 mb-md-3"><small class="text-muted">Tuesday, January 01, 2019 in Blog</small></p>
 					
@@ -307,6 +323,11 @@ In many big systems, distributed and especially microservice architectures becom
         </li>
         
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -318,7 +339,7 @@ In many big systems, distributed and especially microservice architectures becom
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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-    <title>Features in SkyWalking 8.2: Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language | Apache SkyWalking</title>
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-	<h1>Features in SkyWalking 8.2: Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language</h1>
-	<div class="lead">Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language; Composite Alert Rules</div>
+	<h1>Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</h1>
+	<div class="lead">Logs, VM Monitoring, and Dynamic Configurations at Agent Side</div>
 	<div class="td-byline mb-4">
-		By <b>Zhenxu Ke, Sheng Wu, Hongtao Gao, and Tevah Platt. tetrate.io</b> |
-		<time datetime="2020-10-29" class="text-muted">Thursday, October 29, 2020</time>
+		By <b>Zhenxu Ke, Sheng Wu. tetrate.io</b> |
+		<time datetime="2021-02-05" class="text-muted">Friday, February 05, 2021</time>
 
 
 		
@@ -179,46 +179,67 @@ if (!doNotTrack) {
 			
 			<span> <a href="/tags/release-blog">Release Blog</a></span>
 			
-			<span> <a href="/tags/browser">Browser</a></span>
+			<span> <a href="/tags/logs">Logs</a></span>
 			
 		</p>
 		
 
 
 	</div>
-	<p><img src="0081Kckwly1gkl5m6kv3uj31lb0u0jum.jpg" alt=""></p>
-<ul>
-<li>Author: Zhenxu Ke, Sheng Wu, Hongtao Gao, and Tevah Platt. tetrate.io</li>
-<li>Original link, <a href="https://tetrate.io/blog/whats-new-with-apache-skywalking-8-2-browser-monitoring-and-more/">Tetrate.io blog</a></li>
-<li>Oct. 29th, 2020</li>
-</ul>
-<p>Apache SkyWalking, the observability platform, and open-source application performance monitor (APM) project, today announced the general availability of its 8.2 release. The release extends Apache SkyWalking’s functionalities and monitoring boundary to the browser side.</p>
+	<p><img src="heading.png" alt=""></p>
+<blockquote>
+<p>Origin: <a href="https://www.tetrate.io/blog/skywalking-8-4/">Tetrate.io blog</a></p>
+</blockquote>
+<p>The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area.
+The release also advances SkyWalking’s capabilities  for infrastructure observability, starting with virtual machine monitoring.</p>
 <h2 id="background">Background</h2>
-<p>SkyWalking is an observability platform and APM tool that works with or without a service mesh, providing automatic instrumentation for microservices, cloud-native and container-based applications. The top-level Apache project is supported by a global community and is used by Alibaba, Huawei, Tencent, Baidu, ByteDance, and scores of others.</p>
-<h2 id="browser-side-monitoring">Browser side monitoring</h2>
-<p>APM helps SRE and Engineering teams to diagnose system failures, or optimize the systems before they become intolerably slow. But is it enough to always make the users happy?</p>
-<p>In 8.2.0, SkyWalking extends its monitoring boundary to the browser side, e.g., Chrome, or the network between Chrome and the backend service, or the codes running in the browser. With this, not only can we monitor the backend services and requests sent by the browser as usual, but also the front end rendering speed, error logs, etc., which are the most efficient metrics for capturing the experiences of our end users. (This does not currently extend to IoT devices, but this feature mo [...]
-<p><img src="0081Kckwly1gkl5m71k6bj30zk0m8tdb.jpg" alt="SkyWalking 8.2.0 Browser Side Monitoring: Overview"></p>
-<p>What&rsquo;s more, SkyWalking browser monitoring also provides data about how the users use products, such as PV(page views), UV(unique visitors), top N PV(page views), etc., which can give a product team clues for optimizing their products.</p>
-<p><img src="0081Kckwly1gkl5m5tld9j30zk0m843n.jpg" alt="SkyWalking 8.2.0 Browser Side Monitoring: Pages"></p>
-<h2 id="query-traces-by-tags">Query traces by tags</h2>
-<p>In SkyWalking&rsquo;s Span data model, there are many important fields that are already indexed and can be queried by the users, but for the sake of performance, querying by Span tags was not supported until now. In SkyWalking 8.2.0, we allow users to query traces by specified tags, which is extremely useful. For example, SRE engineers running tests on the product environment can tag the synthetic traffic and query by this tag later.</p>
-<h2 id="meter-analysis-language">Meter Analysis Language</h2>
-<p>In 8.2.0, the meter system provides a functional analysis language called MAL(Meter Analysis Language) that allows users to analyze and aggregate meter data in the OAP streaming system. The result of an expression can be ingested by either the agent analyzer or OpenTelemetry/Prometheus analyzer.</p>
-<h2 id="composite-alert-rules">Composite Alert Rules</h2>
-<p>Alerting is a good way to discover system failures in time. A common problem is that we configure too many triggers just to avoid missing any possible issue. Nobody likes to be woken up by alert messages at midnight, only to find out that the trigger is too sensitive. These kinds of alerts become noisy and don&rsquo;t help at all.</p>
-<p>In 8.2.0, users can now configure composite alert rules, where composite rules take multiple metrics dimensions into account. With composite alert rules, we can leverage as many metrics as needed to more accurately determine whether there’s a real problem or just an occasional glitch.</p>
-<p>Common scenarios like <code>successful rate &lt; 90% but there are only 1~2 requests</code> can now be resolved by a composite rule, such as <code>traffic(calls per minute) &gt; n &amp;&amp; successful rate &lt; m%</code>.</p>
+<p>SkyWalking has historically focused on the tracing and metrics fields of observability.
+As its features for tracing, metrics and service level monitoring have become more and more powerful and stable, the SkyWalking team has started to explore new scenarios covered by observability.
+Because service performance is reflected in the logs, and is highly impacted by the infrastructure on which it runs, SkyWalking brings these two fields into the 8.4 release.
+This release blog briefly introduces the two new features as well as some other notable changes.</p>
+<h2 id="logs">Logs</h2>
+<p>Metrics, tracing, and logging are considered the three pillars of observability [1]. SkyWalking had the full features of metrics and tracing prior to 8.4; today, as 8.4 is released, the last piece of the jigsaw is now in place.</p>
+<p><img src="figure01.png" alt="Logs Collected By SkyWalking">
+Figure 1: Logs Collected By SkyWalking</p>
+<p><img src="figure02.png" alt="Logs Collected By SkyWalking">
+Figure 2: Logs Collected By SkyWalking</p>
+<p>The Java agent firstly provides SDKs to enhance the widely-used logging frameworks, log4j (1.x and 2.x) [2] and logback [3], and send the logs to the SkyWalking backend (OAP).
+The latter is able to collect logs from wherever the protocol is  implemented.
+This is not a big deal, but when it comes to the correlation between logs and traces, the traditional solution is to print the trace IDs in the logs, and pick the IDs in the error logs to query the related traces.
+SkyWalking just simplifies the workflow by correlating the logs and traces natively. Navigating between traces and their related logs is as simple as clicking a button.</p>
+<p><img src="figure03.png" alt="Correlation Between Logs and Traces">
+Figure 3: Correlation Between Logs and Traces</p>
+<h2 id="infrastructure-monitoring">Infrastructure Monitoring</h2>
+<p>SkyWalking is known as an application performance monitoring tool. One of the most important factors that impacts the application’s performance is the infrastructure on which the application runs.
+In the 8.4 release, we added the monitoring metrics of virtual machines into the dashboard.</p>
+<p><img src="figure04.png" alt="VM Metrics">
+Figure 4: VM Metrics</p>
+<p>Fundamental metrics such as <code>CPU Used</code>, <code>Memory Used</code>,  <code>Disk Read / Write</code> and <code>Network Usage</code> are available on the dashboard.
+And as usual, those metrics are also available to be configured as alarm triggers when needed.</p>
+<h2 id="dynamic-configurations-at-agent-side">Dynamic Configurations at Agent Side</h2>
+<p>Dynamic configuration at the backend side has long existed in SkyWalking for several versions. Now, it finally comes to the agent side!
+Prior to 8.4, you’d have to restart the target services when you modify some configuration items of the agent &ndash; for instance, sampling rate (agent side), ignorable endpoint paths, etc. Now, say goodbye to rebooting.
+Modifying configurations is not the only usage of the dynamic configuration mechanism. The latter gives countless possibilities to the agent side in terms of dynamic behaviours, e.g. enabling / disabling plugins, enabling / disabling the whole agent, etc. Just imagine!</p>
+<h2 id="grouped-service-topology">Grouped Service Topology</h2>
+<p>This enhancement is from the UI. SkyWalking backend supports grouping the services by user-defined dimensions. In a real world use case, the services are usually grouped by business group or department. When a developer opens the topology map, out of hundreds of services, he or she may just want to focus on the services in charge. The grouped service topology comes to the rescue: one can now choose to display only services belonging to a specified group.</p>
+<p><img src="figure05.png" alt="Grouped Service Topology">
+Figure 5: Grouped Service Topology</p>
 <h2 id="other-notable-enhancements">Other Notable Enhancements</h2>
-<ol>
-<li>The agent toolkit exposes some APIs for users to send customizable metrics.</li>
-<li>The agent <code>exclude_plugins</code> allows you to exclude some plugins; <code>mount</code> enables you to load a new set of plugins.</li>
-<li>More than 10 new plugins have been contributed to the agent.</li>
-<li>The alert system natively supports sending alert messages to Slack, WeChat, DingTalk.</li>
-</ol>
+<ul>
+<li>Agent: resolves domain names to look up backend service IP addresses.</li>
+<li>Backend: meter receiver supports meter analysis language (MAL).</li>
+<li>Backend: several CVE fixes.</li>
+<li>Backend: supports Envoy <code>{AccessLog,Metrics}Service</code> API V3 and adopts MAL.</li>
+</ul>
+<h2 id="links">Links</h2>
+<ul>
+<li>[1] <a href="https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html">https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html</a></li>
+<li>[2] <a href="https://logging.apache.org/log4j/2.x/">https://logging.apache.org/log4j/2.x/</a></li>
+<li>[3] <a href="http://logback.qos.ch">http://logback.qos.ch</a></li>
+</ul>
 <h2 id="additional-resources">Additional Resources</h2>
 <ul>
-<li>Read more about the <a href="https://github.com/apache/skywalking/blob/v8.2.0/CHANGES.md">SkyWalking 8.2 release highlights</a>.</li>
+<li>Read more about the <a href="https://github.com/apache/skywalking/blob/v8.4.0/changes/changes-8.4.0.md">SkyWalking 8.4 release highlights</a>.</li>
 <li>Get more SkyWalking updates on <a href="https://twitter.com/ASFSkyWalking">Twitter</a>.</li>
 </ul>
 
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+    <a href="/blog/2021-02-01-e2e-verifier-design/" class="btn btn-primary "><span class="mr-1">←</span> Previous</a>
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-    <a href="/blog/2020-11-21-apachecon-keynote/" class="btn btn-primary ">Next <span class="ml-1">→</span></a>
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
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   <ul>
     <li><a href="#background">Background</a></li>
-    <li><a href="#browser-side-monitoring">Browser side monitoring</a></li>
-    <li><a href="#query-traces-by-tags">Query traces by tags</a></li>
-    <li><a href="#meter-analysis-language">Meter Analysis Language</a></li>
-    <li><a href="#composite-alert-rules">Composite Alert Rules</a></li>
+    <li><a href="#logs">Logs</a></li>
+    <li><a href="#infrastructure-monitoring">Infrastructure Monitoring</a></li>
+    <li><a href="#dynamic-configurations-at-agent-side">Dynamic Configurations at Agent Side</a></li>
+    <li><a href="#grouped-service-topology">Grouped Service Topology</a></li>
     <li><a href="#other-notable-enhancements">Other Notable Enhancements</a></li>
+    <li><a href="#links">Links</a></li>
     <li><a href="#additional-resources">Additional Resources</a></li>
   </ul>
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         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -218,7 +223,7 @@ if (!doNotTrack) {
         
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             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/index.json b/index.json
index 4cee4b9..5658855 100644
--- a/index.json
+++ b/index.json
@@ -1 +1 @@
-[{"body":"SkyWalking 8.4.0 is released. Go to downloads page to find release tars. Changes by Version\nProject  Incompatible with previous releases when use H2/MySQL/TiDB storage options, due to support multiple alarm rules triggered for one entity. Chore: adapt create_source_release.sh to make it runnable on Linux. Add package to .proto files, prevent polluting top-level namespace in some languages; The OAP server supports previous agent releases, whereas the previous OAP server (\u0026 [...]
\ No newline at end of file
+[{"body":" Origin: Tetrate.io blog\n The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area. The release also advances SkyWalking’s capabilities for infrastructure observability, starting with virtual machine monitoring.\nBackground SkyWalking has historically focused on the tracing and metrics fields of observability. As its features for tracing, metrics and ser [...]
\ No newline at end of file
diff --git a/index.xml b/index.xml
index d55047b..56f5b54 100644
--- a/index.xml
+++ b/index.xml
@@ -13,6 +13,75 @@
     
     
     <item>
+      <title>Blog: Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</title>
+      <link>/blog/skywalking8-4-release/</link>
+      <pubDate>Fri, 05 Feb 2021 00:00:00 +0000</pubDate>
+      
+      <guid>/blog/skywalking8-4-release/</guid>
+      <description>
+        
+        
+        &lt;p&gt;&lt;img src=&#34;heading.png&#34; alt=&#34;&#34;&gt;&lt;/p&gt;
+&lt;blockquote&gt;
+&lt;p&gt;Origin: &lt;a href=&#34;https://www.tetrate.io/blog/skywalking-8-4/&#34;&gt;Tetrate.io blog&lt;/a&gt;&lt;/p&gt;
+&lt;/blockquote&gt;
+&lt;p&gt;The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area.
+The release also advances SkyWalking’s capabilities  for infrastructure observability, starting with virtual machine monitoring.&lt;/p&gt;
+&lt;h2 id=&#34;background&#34;&gt;Background&lt;/h2&gt;
+&lt;p&gt;SkyWalking has historically focused on the tracing and metrics fields of observability.
+As its features for tracing, metrics and service level monitoring have become more and more powerful and stable, the SkyWalking team has started to explore new scenarios covered by observability.
+Because service performance is reflected in the logs, and is highly impacted by the infrastructure on which it runs, SkyWalking brings these two fields into the 8.4 release.
+This release blog briefly introduces the two new features as well as some other notable changes.&lt;/p&gt;
+&lt;h2 id=&#34;logs&#34;&gt;Logs&lt;/h2&gt;
+&lt;p&gt;Metrics, tracing, and logging are considered the three pillars of observability [1]. SkyWalking had the full features of metrics and tracing prior to 8.4; today, as 8.4 is released, the last piece of the jigsaw is now in place.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure01.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 1: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure02.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 2: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;The Java agent firstly provides SDKs to enhance the widely-used logging frameworks, log4j (1.x and 2.x) [2] and logback [3], and send the logs to the SkyWalking backend (OAP).
+The latter is able to collect logs from wherever the protocol is  implemented.
+This is not a big deal, but when it comes to the correlation between logs and traces, the traditional solution is to print the trace IDs in the logs, and pick the IDs in the error logs to query the related traces.
+SkyWalking just simplifies the workflow by correlating the logs and traces natively. Navigating between traces and their related logs is as simple as clicking a button.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure03.png&#34; alt=&#34;Correlation Between Logs and Traces&#34;&gt;
+Figure 3: Correlation Between Logs and Traces&lt;/p&gt;
+&lt;h2 id=&#34;infrastructure-monitoring&#34;&gt;Infrastructure Monitoring&lt;/h2&gt;
+&lt;p&gt;SkyWalking is known as an application performance monitoring tool. One of the most important factors that impacts the application’s performance is the infrastructure on which the application runs.
+In the 8.4 release, we added the monitoring metrics of virtual machines into the dashboard.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure04.png&#34; alt=&#34;VM Metrics&#34;&gt;
+Figure 4: VM Metrics&lt;/p&gt;
+&lt;p&gt;Fundamental metrics such as &lt;code&gt;CPU Used&lt;/code&gt;, &lt;code&gt;Memory Used&lt;/code&gt;,  &lt;code&gt;Disk Read / Write&lt;/code&gt; and &lt;code&gt;Network Usage&lt;/code&gt; are available on the dashboard.
+And as usual, those metrics are also available to be configured as alarm triggers when needed.&lt;/p&gt;
+&lt;h2 id=&#34;dynamic-configurations-at-agent-side&#34;&gt;Dynamic Configurations at Agent Side&lt;/h2&gt;
+&lt;p&gt;Dynamic configuration at the backend side has long existed in SkyWalking for several versions. Now, it finally comes to the agent side!
+Prior to 8.4, you’d have to restart the target services when you modify some configuration items of the agent &amp;ndash; for instance, sampling rate (agent side), ignorable endpoint paths, etc. Now, say goodbye to rebooting.
+Modifying configurations is not the only usage of the dynamic configuration mechanism. The latter gives countless possibilities to the agent side in terms of dynamic behaviours, e.g. enabling / disabling plugins, enabling / disabling the whole agent, etc. Just imagine!&lt;/p&gt;
+&lt;h2 id=&#34;grouped-service-topology&#34;&gt;Grouped Service Topology&lt;/h2&gt;
+&lt;p&gt;This enhancement is from the UI. SkyWalking backend supports grouping the services by user-defined dimensions. In a real world use case, the services are usually grouped by business group or department. When a developer opens the topology map, out of hundreds of services, he or she may just want to focus on the services in charge. The grouped service topology comes to the rescue: one can now choose to display only services belonging to a specified group.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure05.png&#34; alt=&#34;Grouped Service Topology&#34;&gt;
+Figure 5: Grouped Service Topology&lt;/p&gt;
+&lt;h2 id=&#34;other-notable-enhancements&#34;&gt;Other Notable Enhancements&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Agent: resolves domain names to look up backend service IP addresses.&lt;/li&gt;
+&lt;li&gt;Backend: meter receiver supports meter analysis language (MAL).&lt;/li&gt;
+&lt;li&gt;Backend: several CVE fixes.&lt;/li&gt;
+&lt;li&gt;Backend: supports Envoy &lt;code&gt;{AccessLog,Metrics}Service&lt;/code&gt; API V3 and adopts MAL.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;links&#34;&gt;Links&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;[1] &lt;a href=&#34;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&#34;&gt;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[2] &lt;a href=&#34;https://logging.apache.org/log4j/2.x/&#34;&gt;https://logging.apache.org/log4j/2.x/&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[3] &lt;a href=&#34;http://logback.qos.ch&#34;&gt;http://logback.qos.ch&lt;/a&gt;&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;additional-resources&#34;&gt;Additional Resources&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Read more about the &lt;a href=&#34;https://github.com/apache/skywalking/blob/v8.4.0/changes/changes-8.4.0.md&#34;&gt;SkyWalking 8.4 release highlights&lt;/a&gt;.&lt;/li&gt;
+&lt;li&gt;Get more SkyWalking updates on &lt;a href=&#34;https://twitter.com/ASFSkyWalking&#34;&gt;Twitter&lt;/a&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+
+      </description>
+    </item>
+    
+    <item>
       <title>Blog: [Design] The Verifier of NGE2E</title>
       <link>/blog/2021-02-01-e2e-verifier-design/</link>
       <pubDate>Mon, 01 Feb 2021 00:00:00 +0000</pubDate>
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index fda19b2..829fb5f 100644
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@@ -295,6 +295,11 @@ if (!doNotTrack) {
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@@ -306,7 +311,7 @@ if (!doNotTrack) {
         
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diff --git a/tags/browser/index.html b/tags/browser/index.html
index 52fac75..2823b8d 100644
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index ad60651..92ab074 100644
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index ae796e3..6d97a50 100644
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@@ -258,6 +258,11 @@ if (!doNotTrack) {
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index 2cd1142..3bdc98c 100644
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@@ -258,6 +258,11 @@ if (!doNotTrack) {
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@@ -207,6 +207,11 @@ if (!doNotTrack) {
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index e0cbed0..8cb548b 100644
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     <description>Recent content in Tags on Apache SkyWalking</description>
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-    <lastBuildDate>Mon, 01 Feb 2021 00:00:00 +0000</lastBuildDate>
+    <lastBuildDate>Fri, 05 Feb 2021 00:00:00 +0000</lastBuildDate>
     
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index f01d1a4..0f49531 100644
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@@ -262,6 +262,11 @@ if (!doNotTrack) {
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index 92db1f2..1d04476 100644
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similarity index 95%
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copy to tags/logs/index.html
index 52fac75..c271697 100644
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-<title>Browser | Apache SkyWalking</title><meta property="og:title" content="Browser" />
+<title>Logs | Apache SkyWalking</title><meta property="og:title" content="Logs" />
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+<meta property="og:url" content="/tags/logs/" />
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@@ -168,21 +168,21 @@ if (!doNotTrack) {
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-        <h2>Posts in 2020</h2>
+        <h2>Posts in 2021</h2>
 
         <ul class="list-unstyled mt-4">
             
             <li class="media mb-4">
                 <div class="media-body">
-                    <h5 class="mt-0 mb-1"><a href="/blog/2020-10-29-skywalking8-2-release/">Features in SkyWalking 8.2: Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language</a></h5>
-                    <p class="mb-2 mb-md-3"><small class="text-muted">Thursday, October 29, 2020 in Blog</small>
+                    <h5 class="mt-0 mb-1"><a href="/blog/skywalking8-4-release/">Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</a></h5>
+                    <p class="mb-2 mb-md-3"><small class="text-muted">Friday, February 05, 2021 in Blog</small>
 
                         
                         <small class="mt-1 tags-box">  |
                         
                         <span><a href="/tags/release-blog" class="tag-link">Release Blog</a></span>
                         
-                        <span><a href="/tags/browser" class="tag-link">Browser</a></span>
+                        <span><a href="/tags/logs" class="tag-link">Logs</a></span>
                         
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@@ -194,8 +194,8 @@ if (!doNotTrack) {
 
 
 
-                    <p class="pt-0 mt-0">Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language; Composite Alert Rules</p>
-                    <p class="pt-0"><a href="/blog/2020-10-29-skywalking8-2-release/">Read more</a></p>
+                    <p class="pt-0 mt-0">Logs, VM Monitoring, and Dynamic Configurations at Agent Side</p>
+                    <p class="pt-0"><a href="/blog/skywalking8-4-release/">Read more</a></p>
                 </div>
             </li>
             
@@ -258,6 +258,11 @@ if (!doNotTrack) {
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+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -269,7 +274,7 @@ if (!doNotTrack) {
         
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             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
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diff --git a/tags/logs/index.xml b/tags/logs/index.xml
new file mode 100644
index 0000000..efadd30
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+    <description>Recent content in Logs on Apache SkyWalking</description>
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+    
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+        
+      
+    
+    
+    <item>
+      <title>Blog: Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</title>
+      <link>/blog/skywalking8-4-release/</link>
+      <pubDate>Fri, 05 Feb 2021 00:00:00 +0000</pubDate>
+      
+      <guid>/blog/skywalking8-4-release/</guid>
+      <description>
+        
+        
+        &lt;p&gt;&lt;img src=&#34;heading.png&#34; alt=&#34;&#34;&gt;&lt;/p&gt;
+&lt;blockquote&gt;
+&lt;p&gt;Origin: &lt;a href=&#34;https://www.tetrate.io/blog/skywalking-8-4/&#34;&gt;Tetrate.io blog&lt;/a&gt;&lt;/p&gt;
+&lt;/blockquote&gt;
+&lt;p&gt;The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area.
+The release also advances SkyWalking’s capabilities  for infrastructure observability, starting with virtual machine monitoring.&lt;/p&gt;
+&lt;h2 id=&#34;background&#34;&gt;Background&lt;/h2&gt;
+&lt;p&gt;SkyWalking has historically focused on the tracing and metrics fields of observability.
+As its features for tracing, metrics and service level monitoring have become more and more powerful and stable, the SkyWalking team has started to explore new scenarios covered by observability.
+Because service performance is reflected in the logs, and is highly impacted by the infrastructure on which it runs, SkyWalking brings these two fields into the 8.4 release.
+This release blog briefly introduces the two new features as well as some other notable changes.&lt;/p&gt;
+&lt;h2 id=&#34;logs&#34;&gt;Logs&lt;/h2&gt;
+&lt;p&gt;Metrics, tracing, and logging are considered the three pillars of observability [1]. SkyWalking had the full features of metrics and tracing prior to 8.4; today, as 8.4 is released, the last piece of the jigsaw is now in place.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure01.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 1: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure02.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 2: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;The Java agent firstly provides SDKs to enhance the widely-used logging frameworks, log4j (1.x and 2.x) [2] and logback [3], and send the logs to the SkyWalking backend (OAP).
+The latter is able to collect logs from wherever the protocol is  implemented.
+This is not a big deal, but when it comes to the correlation between logs and traces, the traditional solution is to print the trace IDs in the logs, and pick the IDs in the error logs to query the related traces.
+SkyWalking just simplifies the workflow by correlating the logs and traces natively. Navigating between traces and their related logs is as simple as clicking a button.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure03.png&#34; alt=&#34;Correlation Between Logs and Traces&#34;&gt;
+Figure 3: Correlation Between Logs and Traces&lt;/p&gt;
+&lt;h2 id=&#34;infrastructure-monitoring&#34;&gt;Infrastructure Monitoring&lt;/h2&gt;
+&lt;p&gt;SkyWalking is known as an application performance monitoring tool. One of the most important factors that impacts the application’s performance is the infrastructure on which the application runs.
+In the 8.4 release, we added the monitoring metrics of virtual machines into the dashboard.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure04.png&#34; alt=&#34;VM Metrics&#34;&gt;
+Figure 4: VM Metrics&lt;/p&gt;
+&lt;p&gt;Fundamental metrics such as &lt;code&gt;CPU Used&lt;/code&gt;, &lt;code&gt;Memory Used&lt;/code&gt;,  &lt;code&gt;Disk Read / Write&lt;/code&gt; and &lt;code&gt;Network Usage&lt;/code&gt; are available on the dashboard.
+And as usual, those metrics are also available to be configured as alarm triggers when needed.&lt;/p&gt;
+&lt;h2 id=&#34;dynamic-configurations-at-agent-side&#34;&gt;Dynamic Configurations at Agent Side&lt;/h2&gt;
+&lt;p&gt;Dynamic configuration at the backend side has long existed in SkyWalking for several versions. Now, it finally comes to the agent side!
+Prior to 8.4, you’d have to restart the target services when you modify some configuration items of the agent &amp;ndash; for instance, sampling rate (agent side), ignorable endpoint paths, etc. Now, say goodbye to rebooting.
+Modifying configurations is not the only usage of the dynamic configuration mechanism. The latter gives countless possibilities to the agent side in terms of dynamic behaviours, e.g. enabling / disabling plugins, enabling / disabling the whole agent, etc. Just imagine!&lt;/p&gt;
+&lt;h2 id=&#34;grouped-service-topology&#34;&gt;Grouped Service Topology&lt;/h2&gt;
+&lt;p&gt;This enhancement is from the UI. SkyWalking backend supports grouping the services by user-defined dimensions. In a real world use case, the services are usually grouped by business group or department. When a developer opens the topology map, out of hundreds of services, he or she may just want to focus on the services in charge. The grouped service topology comes to the rescue: one can now choose to display only services belonging to a specified group.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure05.png&#34; alt=&#34;Grouped Service Topology&#34;&gt;
+Figure 5: Grouped Service Topology&lt;/p&gt;
+&lt;h2 id=&#34;other-notable-enhancements&#34;&gt;Other Notable Enhancements&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Agent: resolves domain names to look up backend service IP addresses.&lt;/li&gt;
+&lt;li&gt;Backend: meter receiver supports meter analysis language (MAL).&lt;/li&gt;
+&lt;li&gt;Backend: several CVE fixes.&lt;/li&gt;
+&lt;li&gt;Backend: supports Envoy &lt;code&gt;{AccessLog,Metrics}Service&lt;/code&gt; API V3 and adopts MAL.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;links&#34;&gt;Links&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;[1] &lt;a href=&#34;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&#34;&gt;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[2] &lt;a href=&#34;https://logging.apache.org/log4j/2.x/&#34;&gt;https://logging.apache.org/log4j/2.x/&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[3] &lt;a href=&#34;http://logback.qos.ch&#34;&gt;http://logback.qos.ch&lt;/a&gt;&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;additional-resources&#34;&gt;Additional Resources&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Read more about the &lt;a href=&#34;https://github.com/apache/skywalking/blob/v8.4.0/changes/changes-8.4.0.md&#34;&gt;SkyWalking 8.4 release highlights&lt;/a&gt;.&lt;/li&gt;
+&lt;li&gt;Get more SkyWalking updates on &lt;a href=&#34;https://twitter.com/ASFSkyWalking&#34;&gt;Twitter&lt;/a&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+
+      </description>
+    </item>
+    
+  </channel>
+</rss>
diff --git a/tags/logs/page/1/index.html b/tags/logs/page/1/index.html
new file mode 100644
index 0000000..6d94c9e
--- /dev/null
+++ b/tags/logs/page/1/index.html
@@ -0,0 +1 @@
+<!DOCTYPE html><html><head><title>/tags/logs/</title><link rel="canonical" href="/tags/logs/"/><meta name="robots" content="noindex"><meta charset="utf-8" /><meta http-equiv="refresh" content="0; url=/tags/logs/" /></head></html>
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diff --git a/tags/performance/index.html b/tags/performance/index.html
index 8983d64..9c329a8 100644
--- a/tags/performance/index.html
+++ b/tags/performance/index.html
@@ -24,7 +24,7 @@
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -258,6 +258,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
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@@ -269,7 +274,7 @@ if (!doNotTrack) {
         
         <li>
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-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/tags/profiling/index.html b/tags/profiling/index.html
index 05f7801..c84ae99 100644
--- a/tags/profiling/index.html
+++ b/tags/profiling/index.html
@@ -24,7 +24,7 @@
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -262,6 +262,11 @@ if (!doNotTrack) {
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+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -273,7 +278,7 @@ if (!doNotTrack) {
         
         <li>
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-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/tags/release-blog/index.html b/tags/release-blog/index.html
index 43c5cbe..530b2b5 100644
--- a/tags/release-blog/index.html
+++ b/tags/release-blog/index.html
@@ -24,7 +24,7 @@
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta name="twitter:card" content="summary"/>
@@ -168,6 +168,39 @@ if (!doNotTrack) {
 <div class="row">
     <div class="col-12">
         
+        <h2>Posts in 2021</h2>
+
+        <ul class="list-unstyled mt-4">
+            
+            <li class="media mb-4">
+                <div class="media-body">
+                    <h5 class="mt-0 mb-1"><a href="/blog/skywalking8-4-release/">Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</a></h5>
+                    <p class="mb-2 mb-md-3"><small class="text-muted">Friday, February 05, 2021 in Blog</small>
+
+                        
+                        <small class="mt-1 tags-box">  |
+                        
+                        <span><a href="/tags/release-blog" class="tag-link">Release Blog</a></span>
+                        
+                        <span><a href="/tags/logs" class="tag-link">Logs</a></span>
+                        
+                        </small>
+                        
+
+                    </p>
+                    
+
+
+
+
+
+                    <p class="pt-0 mt-0">Logs, VM Monitoring, and Dynamic Configurations at Agent Side</p>
+                    <p class="pt-0"><a href="/blog/skywalking8-4-release/">Read more</a></p>
+                </div>
+            </li>
+            
+        </ul>
+        
         <h2>Posts in 2020</h2>
 
         <ul class="list-unstyled mt-4">
@@ -320,6 +353,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -331,7 +369,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/tags/release-blog/index.xml b/tags/release-blog/index.xml
index 1d924ff..c1e43aa 100644
--- a/tags/release-blog/index.xml
+++ b/tags/release-blog/index.xml
@@ -4,7 +4,7 @@
     <link>/tags/release-blog/</link>
     <description>Recent content in Release Blog on Apache SkyWalking</description>
     <generator>Hugo -- gohugo.io</generator>
-    <lastBuildDate>Thu, 29 Oct 2020 00:00:00 +0000</lastBuildDate>
+    <lastBuildDate>Fri, 05 Feb 2021 00:00:00 +0000</lastBuildDate>
     
 	  <atom:link href="/tags/release-blog/index.xml" rel="self" type="application/rss+xml" />
     
@@ -15,6 +15,75 @@
     
     
     <item>
+      <title>Blog: Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side</title>
+      <link>/blog/skywalking8-4-release/</link>
+      <pubDate>Fri, 05 Feb 2021 00:00:00 +0000</pubDate>
+      
+      <guid>/blog/skywalking8-4-release/</guid>
+      <description>
+        
+        
+        &lt;p&gt;&lt;img src=&#34;heading.png&#34; alt=&#34;&#34;&gt;&lt;/p&gt;
+&lt;blockquote&gt;
+&lt;p&gt;Origin: &lt;a href=&#34;https://www.tetrate.io/blog/skywalking-8-4/&#34;&gt;Tetrate.io blog&lt;/a&gt;&lt;/p&gt;
+&lt;/blockquote&gt;
+&lt;p&gt;The Apache SkyWalking team today announced the 8.4 release is generally available. This release fills the gap between all previous versions of SkyWalking and the logging domain area.
+The release also advances SkyWalking’s capabilities  for infrastructure observability, starting with virtual machine monitoring.&lt;/p&gt;
+&lt;h2 id=&#34;background&#34;&gt;Background&lt;/h2&gt;
+&lt;p&gt;SkyWalking has historically focused on the tracing and metrics fields of observability.
+As its features for tracing, metrics and service level monitoring have become more and more powerful and stable, the SkyWalking team has started to explore new scenarios covered by observability.
+Because service performance is reflected in the logs, and is highly impacted by the infrastructure on which it runs, SkyWalking brings these two fields into the 8.4 release.
+This release blog briefly introduces the two new features as well as some other notable changes.&lt;/p&gt;
+&lt;h2 id=&#34;logs&#34;&gt;Logs&lt;/h2&gt;
+&lt;p&gt;Metrics, tracing, and logging are considered the three pillars of observability [1]. SkyWalking had the full features of metrics and tracing prior to 8.4; today, as 8.4 is released, the last piece of the jigsaw is now in place.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure01.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 1: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure02.png&#34; alt=&#34;Logs Collected By SkyWalking&#34;&gt;
+Figure 2: Logs Collected By SkyWalking&lt;/p&gt;
+&lt;p&gt;The Java agent firstly provides SDKs to enhance the widely-used logging frameworks, log4j (1.x and 2.x) [2] and logback [3], and send the logs to the SkyWalking backend (OAP).
+The latter is able to collect logs from wherever the protocol is  implemented.
+This is not a big deal, but when it comes to the correlation between logs and traces, the traditional solution is to print the trace IDs in the logs, and pick the IDs in the error logs to query the related traces.
+SkyWalking just simplifies the workflow by correlating the logs and traces natively. Navigating between traces and their related logs is as simple as clicking a button.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure03.png&#34; alt=&#34;Correlation Between Logs and Traces&#34;&gt;
+Figure 3: Correlation Between Logs and Traces&lt;/p&gt;
+&lt;h2 id=&#34;infrastructure-monitoring&#34;&gt;Infrastructure Monitoring&lt;/h2&gt;
+&lt;p&gt;SkyWalking is known as an application performance monitoring tool. One of the most important factors that impacts the application’s performance is the infrastructure on which the application runs.
+In the 8.4 release, we added the monitoring metrics of virtual machines into the dashboard.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure04.png&#34; alt=&#34;VM Metrics&#34;&gt;
+Figure 4: VM Metrics&lt;/p&gt;
+&lt;p&gt;Fundamental metrics such as &lt;code&gt;CPU Used&lt;/code&gt;, &lt;code&gt;Memory Used&lt;/code&gt;,  &lt;code&gt;Disk Read / Write&lt;/code&gt; and &lt;code&gt;Network Usage&lt;/code&gt; are available on the dashboard.
+And as usual, those metrics are also available to be configured as alarm triggers when needed.&lt;/p&gt;
+&lt;h2 id=&#34;dynamic-configurations-at-agent-side&#34;&gt;Dynamic Configurations at Agent Side&lt;/h2&gt;
+&lt;p&gt;Dynamic configuration at the backend side has long existed in SkyWalking for several versions. Now, it finally comes to the agent side!
+Prior to 8.4, you’d have to restart the target services when you modify some configuration items of the agent &amp;ndash; for instance, sampling rate (agent side), ignorable endpoint paths, etc. Now, say goodbye to rebooting.
+Modifying configurations is not the only usage of the dynamic configuration mechanism. The latter gives countless possibilities to the agent side in terms of dynamic behaviours, e.g. enabling / disabling plugins, enabling / disabling the whole agent, etc. Just imagine!&lt;/p&gt;
+&lt;h2 id=&#34;grouped-service-topology&#34;&gt;Grouped Service Topology&lt;/h2&gt;
+&lt;p&gt;This enhancement is from the UI. SkyWalking backend supports grouping the services by user-defined dimensions. In a real world use case, the services are usually grouped by business group or department. When a developer opens the topology map, out of hundreds of services, he or she may just want to focus on the services in charge. The grouped service topology comes to the rescue: one can now choose to display only services belonging to a specified group.&lt;/p&gt;
+&lt;p&gt;&lt;img src=&#34;figure05.png&#34; alt=&#34;Grouped Service Topology&#34;&gt;
+Figure 5: Grouped Service Topology&lt;/p&gt;
+&lt;h2 id=&#34;other-notable-enhancements&#34;&gt;Other Notable Enhancements&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Agent: resolves domain names to look up backend service IP addresses.&lt;/li&gt;
+&lt;li&gt;Backend: meter receiver supports meter analysis language (MAL).&lt;/li&gt;
+&lt;li&gt;Backend: several CVE fixes.&lt;/li&gt;
+&lt;li&gt;Backend: supports Envoy &lt;code&gt;{AccessLog,Metrics}Service&lt;/code&gt; API V3 and adopts MAL.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;links&#34;&gt;Links&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;[1] &lt;a href=&#34;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&#34;&gt;https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[2] &lt;a href=&#34;https://logging.apache.org/log4j/2.x/&#34;&gt;https://logging.apache.org/log4j/2.x/&lt;/a&gt;&lt;/li&gt;
+&lt;li&gt;[3] &lt;a href=&#34;http://logback.qos.ch&#34;&gt;http://logback.qos.ch&lt;/a&gt;&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2 id=&#34;additional-resources&#34;&gt;Additional Resources&lt;/h2&gt;
+&lt;ul&gt;
+&lt;li&gt;Read more about the &lt;a href=&#34;https://github.com/apache/skywalking/blob/v8.4.0/changes/changes-8.4.0.md&#34;&gt;SkyWalking 8.4 release highlights&lt;/a&gt;.&lt;/li&gt;
+&lt;li&gt;Get more SkyWalking updates on &lt;a href=&#34;https://twitter.com/ASFSkyWalking&#34;&gt;Twitter&lt;/a&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+
+      </description>
+    </item>
+    
+    <item>
       <title>Blog: Features in SkyWalking 8.2: Browser Side Monitoring; Query Traces by Tags; Meter Analysis Language</title>
       <link>/blog/2020-10-29-skywalking8-2-release/</link>
       <pubDate>Thu, 29 Oct 2020 00:00:00 +0000</pubDate>
diff --git a/tags/satellite/index.html b/tags/satellite/index.html
index b974ba3..8ebc144 100644
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -258,6 +258,11 @@ if (!doNotTrack) {
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         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
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         <li>
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-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/tags/service-mesh/index.html b/tags/service-mesh/index.html
index 0e3f453..aeb2b36 100644
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -289,6 +289,11 @@ if (!doNotTrack) {
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+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -300,7 +305,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/tags/spring/index.html b/tags/spring/index.html
index ba4643a..c7aa911 100644
--- a/tags/spring/index.html
+++ b/tags/spring/index.html
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 <meta property="og:url" content="/tags/spring/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -260,6 +260,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -271,7 +276,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/tags/testing/index.html b/tags/testing/index.html
index 9931573..27b45b1 100644
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+++ b/tags/testing/index.html
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-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
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@@ -320,6 +320,11 @@ if (!doNotTrack) {
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+        <li>
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             <span class="count">1</span>
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         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/tags/tracing/index.html b/tags/tracing/index.html
index cb0d7a7..e7f1790 100644
--- a/tags/tracing/index.html
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -295,6 +295,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -306,7 +311,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
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+            <span class="count">4</span>
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         <li>
diff --git a/zh_tags/use-case/index.html b/zh_tags/use-case/index.html
index 8239d7f..abcc2c5 100644
--- a/zh_tags/use-case/index.html
+++ b/zh_tags/use-case/index.html
@@ -24,7 +24,7 @@
 <meta property="og:description" content="" />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="/zh_tags/use-case/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="Use Case">
 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -312,6 +312,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -323,7 +328,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/zh_tags/user-manual/index.html b/zh_tags/user-manual/index.html
index 9c02884..3062946 100644
--- a/zh_tags/user-manual/index.html
+++ b/zh_tags/user-manual/index.html
@@ -24,7 +24,7 @@
 <meta property="og:description" content="" />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="/zh_tags/user-manual/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="User Manual">
 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -521,6 +521,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -532,7 +537,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/zh_tags/user-manual/page/2/index.html b/zh_tags/user-manual/page/2/index.html
index 980fb55..746998f 100644
--- a/zh_tags/user-manual/page/2/index.html
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@@ -24,7 +24,7 @@
 <meta property="og:description" content="" />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="/zh_tags/user-manual/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="User Manual">
 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -331,6 +331,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
         </li>
@@ -342,7 +347,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
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         <li>
diff --git a/zh_tags/video/index.html b/zh_tags/video/index.html
index 30007c8..718ee9e 100644
--- a/zh_tags/video/index.html
+++ b/zh_tags/video/index.html
@@ -24,7 +24,7 @@
 <meta property="og:description" content="" />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="/zh_tags/video/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
 <meta itemprop="name" content="Video">
 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -372,6 +372,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -383,7 +388,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>
diff --git a/zh_tags/web-ui/index.html b/zh_tags/web-ui/index.html
index f288ebd..9b493d9 100644
--- a/zh_tags/web-ui/index.html
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@@ -24,7 +24,7 @@
 <meta property="og:description" content="" />
 <meta property="og:type" content="website" />
 <meta property="og:url" content="/zh_tags/web-ui/" />
-<meta property="og:updated_time" content="2021-02-05T13:53:01+08:00" />
+<meta property="og:updated_time" content="2021-02-05T14:25:41+08:00" />
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 <meta itemprop="description" content="">
 <meta name="twitter:card" content="summary"/>
@@ -258,6 +258,11 @@ if (!doNotTrack) {
         </li>
         
         <li>
+            <a href="/tags/logs/" class="tag-link">Logs</a>
+            <span class="count">1</span>
+        </li>
+        
+        <li>
             <a href="/tags/performance/" class="tag-link">Performance</a>
             <span class="count">1</span>
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@@ -269,7 +274,7 @@ if (!doNotTrack) {
         
         <li>
             <a href="/tags/release-blog/" class="tag-link">Release Blog</a>
-            <span class="count">3</span>
+            <span class="count">4</span>
         </li>
         
         <li>