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Posted to notifications@skywalking.apache.org by gi...@apache.org on 2021/02/09 01:21:50 UTC
[skywalking-website] branch asf-site updated: deploy:
e1818cf862695de80ec913fd8621c86a96a4ee7e
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 d6870ff deploy: e1818cf862695de80ec913fd8621c86a96a4ee7e
d6870ff is described below
commit d6870ff116f419ce9af92c3cd995c18080a0acda
Author: wu-sheng <wu...@users.noreply.github.com>
AuthorDate: Tue Feb 9 01:21:40 2021 +0000
deploy: e1818cf862695de80ec913fd8621c86a96a4ee7e
---
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.../index.html | 357 ++++++++++---------
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193 files changed, 1645 insertions(+), 712 deletions(-)
diff --git a/blog/2018-05-24-skywalking-net/index.html b/blog/2018-05-24-skywalking-net/index.html
index f56872c..90f79b9 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+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="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="349">
@@ -284,6 +284,11 @@ dotnet run -p sample/SkyWalking.Sample.Frontend</p>
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</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 c4c35cf..5c0d979 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+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="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="990">
@@ -328,6 +328,11 @@ This is why we are embracing Skywalking, which makes service performance observa
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2019-01-01-understand-trace/index.html b/blog/2019-01-01-understand-trace/index.html
index 33f5347..6c2ab42 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+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="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="702">
@@ -285,6 +285,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2019-01-25-mesh-loadtest/index.html b/blog/2019-01-25-mesh-loadtest/index.html
index 1aa755e..3567aac 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+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="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="758">
@@ -287,6 +287,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2019-09-25-alarm-webhook-share/index.html b/blog/2019-09-25-alarm-webhook-share/index.html
index e693e07..121c42f 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+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="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="104">
@@ -272,6 +272,11 @@ bash build/build.sh
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2020-01-20-celebrate-200th-contributor/index.html b/blog/2020-01-20-celebrate-200th-contributor/index.html
index dd4df39..7a687d8 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="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="SkyWalking hits 200 contributors mark">
<meta itemprop="description" content=" SkyWalking community joins the 200+ contributors open source club.">
<meta itemprop="datePublished" content="2020-01-20T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="643">
@@ -253,6 +253,11 @@ At the moment of graduation in spring 2019, the project had 100 contributors. No
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2020-04-13-apache-skywalking-profiling/index.html b/blog/2020-04-13-apache-skywalking-profiling/index.html
index f8fd419..5aa5ec9 100644
--- a/blog/2020-04-13-apache-skywalking-profiling/index.html
+++ b/blog/2020-04-13-apache-skywalking-profiling/index.html
@@ -24,11 +24,11 @@
<meta property="og:type" content="article" />
<meta property="og:url" content="/blog/2020-04-13-apache-skywalking-profiling/" />
<meta property="article:published_time" content="2020-04-13T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Apache SkyWalking: Use Profiling to Fix the Blind Spot of Distributed Tracing">
<meta itemprop="description" content="This post introduces a way to automatically profile code in production with Apache SkyWalking. We believe the profile method helps reduce maintenance and overhead while increasing the precision in root cause analysis.">
<meta itemprop="datePublished" content="2020-04-13T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="1368">
@@ -301,6 +301,11 @@ try {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/2020-07-26-apdex-and-skywalking/index.html b/blog/2020-07-26-apdex-and-skywalking/index.html
index 5a1f43e..a5be8a1 100644
--- a/blog/2020-07-26-apdex-and-skywalking/index.html
+++ b/blog/2020-07-26-apdex-and-skywalking/index.html
@@ -24,11 +24,11 @@
<meta property="og:type" content="article" />
<meta property="og:url" content="/blog/2020-07-26-apdex-and-skywalking/" />
<meta property="article:published_time" content="2020-07-26T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="The Apdex Score for Measuring Service Mesh Health">
<meta itemprop="description" content=" In managing Service Mesh Health, Asking `How are you' is more profound than `What are your symptoms'. Apdex goes a long way in helping this.">
<meta itemprop="datePublished" content="2020-07-26T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="1605">
@@ -304,6 +304,11 @@ Apdex Score = ------------------------------------------------------
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
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+++ b/blog/2021-02-07-infrastructure-monitoring/index.html
@@ -19,24 +19,24 @@
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+<title>SkyWalking 8.4 provides infrastructure monitoring | Apache SkyWalking</title><meta property="og:title" content="SkyWalking 8.4 provides infrastructure monitoring" />
+<meta property="og:description" content="In this tutorial, learn how to use Apache SkyWalking for infrastructure monitoring" />
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@@ -166,164 +166,191 @@ if (!doNotTrack) {
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<div class="td-content">
- <h1>[Design] The Verifier of NGE2E</h1>
- <div class="lead">The design of Next Generation End-to-End Testing Framework Verifier</div>
+ <h1>SkyWalking 8.4 provides infrastructure monitoring</h1>
+ <div class="lead">In this tutorial, learn how to use Apache SkyWalking for infrastructure monitoring</div>
<div class="td-byline mb-4">
- By <b><a href="https://github.com/kezhenxu94">Zhenxu Ke</a>, Tetrate.io; <a href="http://github.com/fgksgf">Huaxi Jiang</a>, Committer; <a href="http://github.com/HumbertZhang">Ke Zhang</a>, Committer</b> |
- <time datetime="2021-02-01" class="text-muted">Monday, February 01, 2021</time>
+ By <b>Kai Wan, Sheng Wu. tetrate.io</b> |
+ <time datetime="2021-02-08" class="text-muted">Monday, February 08, 2021</time>
<p class="mt-1 tags-box">
<i class="fas fa-tags" aria-hidden="true"></i>Tags |
- <span> <a href="/tags/testing">Testing</a></span>
+ <span> <a href="/tags/infrastructure-monitoring">Infrastructure Monitoring</a></span>
</p>
</div>
- <h2 id="background">Background</h2>
-<p>The verifier is an important part of the next generation End-to-End Testing framework (NGE2E), which is responsible for verifying whether the actual output satisfies the expected template.</p>
-<h2 id="design-thinking">Design Thinking</h2>
-<p>We will implement the verifier with <a href="https://golang.org/pkg/text/template/">Go template</a>, plus some enhancements. Firstly, users need to write a Go template file with provided functions and actions to describe how the expected data looks like. Then the verifer renders the template with the actual data object. Finally, the verifier compares the rendered output with the actual data. If the rendered output is not the same with the actual output, it means the actual data is inc [...]
-<h2 id="branches--actions">Branches / Actions</h2>
-<p>The verifier inherits all the actions from the standard Go template, such as <code>if</code>, <code>with</code>, <code>range</code>, etc. In addition, we also provide some custom actions to satisfy our own needs.</p>
-<h3 id="list-elements-match">List Elements Match</h3>
-<p><code>contains</code> checks if the actual list contains elements that match the given template.</p>
-<p>Examples:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">metrics</span>:
-{{- contains .metrics }}
- - <span style="color:#66d9ef">name</span>: {{ notEmpty .name }}
- <span style="color:#66d9ef">id</span>: {{ notEmpty .id }}
- <span style="color:#66d9ef">value</span>: {{ gt .value <span style="color:#ae81ff">0</span> }}
-{{- end }}
-</code></pre></div><p>It means that the list <code>metrics</code> must contain an element whose <code>name</code> and <code>id</code> are not empty, and <code>value</code> is greater than <code>0</code>.</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">metrics</span>:
-{{- contains .metrics }}
- - <span style="color:#66d9ef">name</span>: p95
- <span style="color:#66d9ef">value</span>: {{ gt .value <span style="color:#ae81ff">0</span> }}
- - <span style="color:#66d9ef">name</span>: p99
- <span style="color:#66d9ef">value</span>: {{ gt .value <span style="color:#ae81ff">0</span> }}
-{{- end }}
-</code></pre></div><p>This means that the list <code>metrics</code> must contain an element named <code>p95</code> with a <code>value</code> greater than 0, and an element named <code>p95</code> with a <code>value</code> greater than 0. Besides the two element, the list <code>metrics</code> may or may not have other random elements.</p>
-<h2 id="functions">Functions</h2>
-<p>Users can use these provided functions in the template to describe the expected data.</p>
-<h3 id="not-empty">Not Empty</h3>
-<p><code>notEmpty</code> checks if the string <code>s</code> is empty.</p>
-<p>Example:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">id</span>: {{ notEmpty .id }}
-</code></pre></div><h3 id="regexp-match">Regexp match</h3>
-<p><code>regexp</code> checks if string <code>s</code> matches the regular expression pattern.</p>
-<p>Examples:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">label</span>: {{ regexp .label <span style="color:#e6db74">"ratings.*"</span> }}
-</code></pre></div><h3 id="base64">Base64</h3>
-<p><code>b64enc s</code> returns the Base64 encoded string of s.</p>
-<p>Examples:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">id</span>: {{ b64enc <span style="color:#e6db74">"User"</span> }}.static-suffix <span style="color:#75715e"># this evalutes the base64 encoded string of "User", concatenated with a static suffix ".static-suffix"</span>
-</code></pre></div><p>Result:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">id</span>: VXNlcg==.static-suffix
-</code></pre></div><h2 id="full-example">Full Example</h2>
-<p>Here is an example of expected data:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># expected.data.yaml</span>
-<span style="color:#66d9ef">nodes</span>:
- - <span style="color:#66d9ef">id</span>: {{ b64enc <span style="color:#e6db74">"User"</span> }}.<span style="color:#ae81ff">0</span>
- <span style="color:#66d9ef">name</span>: User
- <span style="color:#66d9ef">type</span>: USER
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">false</span>
- - <span style="color:#66d9ef">id</span>: {{ b64enc <span style="color:#e6db74">"Your_ApplicationName"</span> }}.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">name</span>: Your_ApplicationName
- <span style="color:#66d9ef">type</span>: Tomcat
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">true</span>
- - <span style="color:#66d9ef">id</span>: {{ $h2ID := (index .nodes <span style="color:#ae81ff">2</span>).id }}{{ notEmpty $h2ID }} <span style="color:#75715e"># We assert that nodes[2].id is not empty and save it to variable `h2ID` for later use</span>
- <span style="color:#66d9ef">name</span>: localhost:-<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">type</span>: H2
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">false</span>
-<span style="color:#66d9ef">calls</span>:
- - <span style="color:#66d9ef">id</span>: {{ notEmpty (index .calls <span style="color:#ae81ff">0</span>).id }}
- <span style="color:#66d9ef">source</span>: {{ b64enc <span style="color:#e6db74">"Your_ApplicationName"</span> }}.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">target</span>: {{ $h2ID }} <span style="color:#75715e"># We use the previously assigned variable `h2Id` to asert that the `target` is equal to the `id` of the nodes[2]</span>
- <span style="color:#66d9ef">detectPoints</span>:
- - CLIENT
- - <span style="color:#66d9ef">id</span>: {{ b64enc <span style="color:#e6db74">"User"</span> }}.<span style="color:#ae81ff">0</span>-{{ b64enc <span style="color:#e6db74">"Your_ApplicationName"</span> }}.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">source</span>: {{ b64enc <span style="color:#e6db74">"User"</span> }}.<span style="color:#ae81ff">0</span>
- <span style="color:#66d9ef">target</span>: {{ b64enc <span style="color:#e6db74">"Your_ApplicationName"</span> }}.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">detectPoints</span>:
- - SERVER
-</code></pre></div><p>will validate this data:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># actual.data.yaml</span>
-<span style="color:#66d9ef">nodes</span>:
- - <span style="color:#66d9ef">id</span>: VXNlcg==.<span style="color:#ae81ff">0</span>
- <span style="color:#66d9ef">name</span>: User
- <span style="color:#66d9ef">type</span>: USER
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">false</span>
- - <span style="color:#66d9ef">id</span>: WW91cl9BcHBsaWNhdGlvbk5hbWU=.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">name</span>: Your_ApplicationName
- <span style="color:#66d9ef">type</span>: Tomcat
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">true</span>
- - <span style="color:#66d9ef">id</span>: bG9jYWxob3N0Oi0x<span style="color:#ae81ff">.0</span>
- <span style="color:#66d9ef">name</span>: localhost:-<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">type</span>: H2
- <span style="color:#66d9ef">isReal</span>: <span style="color:#66d9ef">false</span>
-<span style="color:#66d9ef">calls</span>:
- - <span style="color:#66d9ef">id</span>: WW91cl9BcHBsaWNhdGlvbk5hbWU=.<span style="color:#ae81ff">1</span>-bG9jYWxob3N0Oi0x<span style="color:#ae81ff">.0</span>
- <span style="color:#66d9ef">source</span>: WW91cl9BcHBsaWNhdGlvbk5hbWU=.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">detectPoints</span>:
- - CLIENT
- <span style="color:#66d9ef">target</span>: bG9jYWxob3N0Oi0x<span style="color:#ae81ff">.0</span>
- - <span style="color:#66d9ef">id</span>: VXNlcg==.<span style="color:#ae81ff">0</span>-WW91cl9BcHBsaWNhdGlvbk5hbWU=.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">source</span>: VXNlcg==.<span style="color:#ae81ff">0</span>
- <span style="color:#66d9ef">detectPoints</span>:
- - SERVER
- <span style="color:#66d9ef">target</span>: WW91cl9BcHBsaWNhdGlvbk5hbWU=.<span style="color:#ae81ff">1</span>
-</code></pre></div><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># expected.data.yaml</span>
-<span style="color:#66d9ef">metrics</span>:
-{{- contains .metrics }}
- - <span style="color:#66d9ef">name</span>: {{ notEmpty .name }}
- <span style="color:#66d9ef">id</span>: {{ notEmpty .id }}
- <span style="color:#66d9ef">value</span>: {{ gt .value <span style="color:#ae81ff">0</span> }}
-{{- end }}
-</code></pre></div><p>will validate this data:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># actual.data.yaml</span>
-<span style="color:#66d9ef">metrics</span>:
- - <span style="color:#66d9ef">name</span>: business-zone::projectA
- <span style="color:#66d9ef">id</span>: YnVzaW5lc3Mtem9uZTo6cHJvamVjdEE=.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">1</span>
- - <span style="color:#66d9ef">name</span>: system::load balancer1
- <span style="color:#66d9ef">id</span>: c3lzdGVtOjpsb2FkIGJhbGFuY2VyMQ==.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">0</span>
- - <span style="color:#66d9ef">name</span>: system::load balancer2
- <span style="color:#66d9ef">id</span>: c3lzdGVtOjpsb2FkIGJhbGFuY2VyMg==.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">0</span>
-</code></pre></div><p>and will report an error when validating this data, because there is no element with a value greater than 0:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># actual.data.yaml</span>
-<span style="color:#66d9ef">metrics</span>:
- - <span style="color:#66d9ef">name</span>: business-zone::projectA
- <span style="color:#66d9ef">id</span>: YnVzaW5lc3Mtem9uZTo6cHJvamVjdEE=.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">0</span>
- - <span style="color:#66d9ef">name</span>: system::load balancer1
- <span style="color:#66d9ef">id</span>: c3lzdGVtOjpsb2FkIGJhbGFuY2VyMQ==.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">0</span>
- - <span style="color:#66d9ef">name</span>: system::load balancer2
- <span style="color:#66d9ef">id</span>: c3lzdGVtOjpsb2FkIGJhbGFuY2VyMg==.<span style="color:#ae81ff">1</span>
- <span style="color:#66d9ef">value</span>: <span style="color:#ae81ff">0</span>
-</code></pre></div><p>The <code>contains</code> does an unordered list verification, in order to do list verifications including orders, you can simply use the basic ruls like this:</p>
-<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#75715e"># expected.data.yaml</span>
-<span style="color:#66d9ef">metrics</span>:
- - <span style="color:#66d9ef">name</span>: p99
- <span style="color:#66d9ef">value</span>: {{ gt (index .metrics <span style="color:#ae81ff">0</span>).value <span style="color:#ae81ff">0</span> }}
- - <span style="color:#66d9ef">name</span>: p95
- <span style="color:#66d9ef">value</span>: {{ gt (index .metrics <span style="color:#ae81ff">1</span>).value <span style="color:#ae81ff">0</span> }}
-</code></pre></div><p>which expects the actual <code>metrics</code> list to be exactly ordered, with first element named <code>p99</code> and <code>value</code> greater 0, second element named <code>p95</code> and <code>value</code> greater 0.</p>
+ <p><img src="apache-skywalking.jpeg" alt=""></p>
+<blockquote>
+<p>Origin: <a href="https://www.tetrate.io/blog/skywalking-8-4-provides-infrastucture-monitoring-for-vms/">Tetrate.io blog</a></p>
+</blockquote>
+<h2 id="background">Background</h2>
+<p>Apache SkyWalking– the APM tool for distributed systems– has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The newest release, SkyWalking 8.4.0, introduces a new feature for monitoring virtual machines. Users can easily detect possible problems from the dashboard– for example, when CPU usage is overloaded, when there’s not enough memory or disk space, or when the network status is [...]
+<h2 id="how-it-works">How it works</h2>
+<p>SkyWalking leverages Prometheus and OpenTelemetry for collecting metrics data as we did for Istio control panel metrics; Prometheus is mature and widely used, and we expect to see increased adoption of the new CNCF project, OpenTelemetry. The SkyWalking OAP Server receives these metrics data of OpenCensus format from OpenTelemetry. The process is as follows:</p>
+<p><img src="how-it-works.png" alt="The monitring work process"></p>
+<ol>
+<li>Prometheus Node Exporter collects metrics data from the VMs.</li>
+<li>OpenTelemetry Collector fetches metrics from Node Exporters via Prometheus Receiver, and pushes metrics to SkyWalking OAP Server via the OpenCensus GRPC Exporter.</li>
+<li>The SkyWalking OAP Server parses the expression with <a href="https://github.com/apache/skywalking/blob/master/docs/en/concepts-and-designs/mal.md">MAL</a> to filter/calculate/aggregate and store the results. The expression rules are in <code>/config/otel-oc-rules/vm.yaml</code>.</li>
+<li>We can now see the data on the SkyWalking WebUI dashboard.</li>
+</ol>
+<h2 id="what-to-monitor">What to monitor</h2>
+<p>SkyWalking provides default monitoring metrics including:</p>
+<ul>
+<li>CPU Usage (%)</li>
+<li>Memory RAM Usage (MB)</li>
+<li>Memory Swap Usage (MB)</li>
+<li>CPU Average Used</li>
+<li>CPU Load</li>
+<li>Memory RAM (total/available/used MB)</li>
+<li>Memory Swap (total/free MB)</li>
+<li>File System Mount point Usage (%)</li>
+<li>Disk R/W (KB/s)</li>
+<li>Network Bandwidth Usage (receive/transmit KB/s)</li>
+<li>Network Status (tcp_curr_estab/tcp_tw/tcp_alloc/sockets_used/udp_inuse)</li>
+<li>File fd Allocated</li>
+</ul>
+<p>The following is how it looks when we monitor Linux:</p>
+<p><img src="monitoring-screen-shot1.png" alt=""></p>
+<p><img src="monitoring-screen-shot2.png" alt=""></p>
+<h2 id="how-to-use">How to use</h2>
+<p>To enable this feature, we need to install Prometheus Node Exporter and OpenTelemetry Collector and activate the VM monitoring rules in SkyWalking OAP Server.</p>
+<h3 id="install-prometheus-node-exporter">Install Prometheus Node Exporter</h3>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">wget https://github.com/prometheus/node_exporter/releases/download/v1.0.1/node_exporter-1.0.1.linux-amd64.tar.gz
+tar xvfz node_exporter-1.0.1.linux-amd64.tar.gz
+cd node_exporter-1.0.1.linux-amd64
+./node_exporter
+</code></pre></div><p>In linux Node Exporter exposes metrics on port <code>9100</code> by default. When it is running, we can get the metrics from the <code>/metrics</code> endpoint. Use a web browser or command <code>curl</code> to verify.</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">curl http://localhost:9100/metrics
+</code></pre></div><p>We should see all the metrics from the output like:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell"><span style="color:#75715e"># HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.</span>
+<span style="color:#75715e"># TYPE go_gc_duration_seconds summary</span>
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">"0"</span><span style="color:#f92672">}</span> 7.7777e-05
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">"0.25"</span><span style="color:#f92672">}</span> 0.000113756
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">"0.5"</span><span style="color:#f92672">}</span> 0.000127199
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">"0.75"</span><span style="color:#f92672">}</span> 0.000147778
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">"1"</span><span style="color:#f92672">}</span> 0.000371894
+go_gc_duration_seconds_sum 0.292994058
+go_gc_duration_seconds_count <span style="color:#ae81ff">2029</span>
+...
+</code></pre></div><p>Note: We only need to install Node Exporter, rather than Prometheus server.
+If you want to get more information about Prometheus Node Exporter see: <a href="https://prometheus.io/docs/guides/node-exporter/">https://prometheus.io/docs/guides/node-exporter/</a></p>
+<h3 id="install-opentelemetry-collector">Install OpenTelemetry Collector</h3>
+<p>We can quickly install a OpenTelemetry Collector instance by using <code>docker-compose</code> with the following steps:</p>
+<ol>
+<li>Create a directory to store the configuration files, like <code>/usr/local/otel</code>.</li>
+<li>Create <code>docker-compose.yaml</code> and <code>otel-collector-config.yaml</code> in this directory represented below:</li>
+</ol>
+<p><code>docker-compose.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">version</span>: <span style="color:#e6db74">"2"</span>
+<span style="color:#66d9ef">services</span>:
+ <span style="color:#75715e"># Collector</span>
+ <span style="color:#66d9ef">otel-collector</span>:
+ <span style="color:#75715e"># Specify the image to start the container from</span>
+ <span style="color:#66d9ef">image</span>: otel/opentelemetry-collector:<span style="color:#ae81ff">0.19.0</span>
+ <span style="color:#75715e"># Set the otel-collector configfile </span>
+ <span style="color:#66d9ef">command</span>: [<span style="color:#e6db74">"--config=/etc/otel-collector-config.yaml"</span>]
+ <span style="color:#75715e"># Mapping the configfile to host directory</span>
+ <span style="color:#66d9ef">volumes</span>:
+ - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
+ <span style="color:#66d9ef">ports</span>:
+ - <span style="color:#e6db74">"13133:13133"</span> <span style="color:#75715e"># health_check extension</span>
+ - <span style="color:#e6db74">"55678"</span> <span style="color:#75715e"># OpenCensus receiver</span>
+</code></pre></div><p><code>otel-collector-config.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">extensions</span>:
+ <span style="color:#66d9ef">health_check</span>:
+<span style="color:#75715e"># A receiver is how data gets into the OpenTelemetry Collector</span>
+<span style="color:#66d9ef">receivers</span>:
+ <span style="color:#75715e"># Set Prometheus Receiver to collects metrics from targets</span>
+ <span style="color:#75715e"># It’s supports the full set of Prometheus configuration</span>
+ <span style="color:#66d9ef">prometheus</span>:
+ <span style="color:#66d9ef">config</span>:
+ <span style="color:#66d9ef">scrape_configs</span>:
+ - <span style="color:#66d9ef">job_name</span>: <span style="color:#e6db74">'otel-collector'</span>
+ <span style="color:#66d9ef">scrape_interval</span>: 10s
+ <span style="color:#66d9ef">static_configs</span>:
+ <span style="color:#75715e"># Replace the IP to your VMs‘s IP which has installed Node Exporter</span>
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">'vm1:9100'</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">'vm2:9100'</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ ‘vm3:<span style="color:#ae81ff">9100</span>' ]
+
+<span style="color:#66d9ef">processors</span>:
+ <span style="color:#66d9ef">batch</span>:
+
+<span style="color:#75715e"># An exporter is how data gets sent to different systems/back-ends</span>
+<span style="color:#66d9ef">exporters</span>:
+ <span style="color:#75715e"># Exports metrics via gRPC using OpenCensus format</span>
+ <span style="color:#66d9ef">opencensus</span>:
+ <span style="color:#66d9ef">endpoint</span>: <span style="color:#e6db74">"docker.for.mac.host.internal:11800"</span> <span style="color:#75715e"># The OAP Server address</span>
+ <span style="color:#66d9ef">insecure</span>: <span style="color:#66d9ef">true</span>
+ <span style="color:#66d9ef">logging</span>:
+ <span style="color:#66d9ef">logLevel</span>: debug
+
+<span style="color:#66d9ef">service</span>:
+ <span style="color:#66d9ef">pipelines</span>:
+ <span style="color:#66d9ef">metrics</span>:
+ <span style="color:#66d9ef">receivers</span>: [prometheus]
+ <span style="color:#66d9ef">processors</span>: [batch]
+ <span style="color:#66d9ef">exporters</span>: [logging, opencensus]
+
+ <span style="color:#66d9ef">extensions</span>: [health_check]
+</code></pre></div><ol start="3">
+<li>In this directory use command <code>docker-compose</code> to start up the container:</li>
+</ol>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">docker-compose up -d
+</code></pre></div><p>After the container is up and running, you should see metrics already exported in the logs:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">...
+Metric <span style="color:#75715e">#165</span>
+Descriptor:
+-> Name: node_network_receive_compressed_total
+-> Description: Network device statistic receive_compressed.
+-> Unit:
+-> DataType: DoubleSum
+-> IsMonotonic: true
+-> AggregationTemporality: AGGREGATION_TEMPORALITY_CUMULATIVE
+DoubleDataPoints <span style="color:#75715e">#0</span>
+Data point labels:
+-> device: ens4
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+DoubleDataPoints <span style="color:#75715e">#1</span>
+Data point labels:
+-> device: lo
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+...
+</code></pre></div><p>If you want to get more information about OpenTelemetry Collector see: <a href="https://opentelemetry.io/docs/collector/">https://opentelemetry.io/docs/collector/</a></p>
+<h3 id="set-up-skywalking-oap-server">Set up SkyWalking OAP Server</h3>
+<p>To activate the oc handler and vm relevant rules, set your environment variables:</p>
+<pre><code>SW_OTEL_RECEIVER=default
+SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm
+</code></pre><p>Note: If there are other rules already activated , you can add vm with use <code>,</code> as a separator.</p>
+<pre><code>SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm,oap
+</code></pre><p>Start the SkyWalking OAP Server.</p>
+<h3 id="done">Done!</h3>
+<p>After all of the above steps are completed, check out the SkyWalking WebUI. Dashboard <code>VM</code> provides the default metrics of all observed virtual machines.
+Note: Clear the browser local cache if you used it to access deployments of previous SkyWalking versions.</p>
+<p><img src="monitoring-screen-shot3.png" alt=""></p>
+<h2 id="additional-resources">Additional Resources</h2>
+<ul>
+<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>
<ul class="list-unstyled d-flex justify-content-between align-items-center mb-0 pt-5">
<li>
- <a href="/blog/2021-01-23-tencent-cloud-violates-aplv2/" class="btn btn-primary "><span class="mr-1">←</span> Previous</a>
+ <a href="/blog/skywalking8-4-release/" class="btn btn-primary "><span class="mr-1">←</span> Previous</a>
</li>
- <a href="/blog/skywalking8-4-release/" class="btn btn-primary ">Next <span class="ml-1">→</span></a>
+ <a class="btn btn-primary disabled">Next <span class="ml-1">→</span></a>
</li>
</ul>
@@ -366,6 +393,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
@@ -462,20 +494,17 @@ if (!doNotTrack) {
<nav id="TableOfContents">
<ul>
<li><a href="#background">Background</a></li>
- <li><a href="#design-thinking">Design Thinking</a></li>
- <li><a href="#branches--actions">Branches / Actions</a>
- <ul>
- <li><a href="#list-elements-match">List Elements Match</a></li>
- </ul>
- </li>
- <li><a href="#functions">Functions</a>
+ <li><a href="#how-it-works">How it works</a></li>
+ <li><a href="#what-to-monitor">What to monitor</a></li>
+ <li><a href="#how-to-use">How to use</a>
<ul>
- <li><a href="#not-empty">Not Empty</a></li>
- <li><a href="#regexp-match">Regexp match</a></li>
- <li><a href="#base64">Base64</a></li>
+ <li><a href="#install-prometheus-node-exporter">Install Prometheus Node Exporter</a></li>
+ <li><a href="#install-opentelemetry-collector">Install OpenTelemetry Collector</a></li>
+ <li><a href="#set-up-skywalking-oap-server">Set up SkyWalking OAP Server</a></li>
+ <li><a href="#done">Done!</a></li>
</ul>
</li>
- <li><a href="#full-example">Full Example</a></li>
+ <li><a href="#additional-resources">Additional Resources</a></li>
</ul>
</nav>
diff --git a/blog/2021-02-07-infrastructure-monitoring/monitoring-screen-shot1.png b/blog/2021-02-07-infrastructure-monitoring/monitoring-screen-shot1.png
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diff --git a/blog/2021-02-07-infrastructure-monitoring/monitoring-screen-shot3.png b/blog/2021-02-07-infrastructure-monitoring/monitoring-screen-shot3.png
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diff --git a/blog/e2e-design/index.html b/blog/e2e-design/index.html
index 144e42d..5fadadc 100644
--- a/blog/e2e-design/index.html
+++ b/blog/e2e-design/index.html
@@ -24,11 +24,11 @@
<meta property="og:type" content="article" />
<meta property="og:url" content="/blog/e2e-design/" />
<meta property="article:published_time" content="2020-12-14T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="[Design] NGE2E - Next Generation End-to-End Testing Framework">
<meta itemprop="description" content="The design of Next Generation End-to-End Testing Framework">
<meta itemprop="datePublished" content="2020-12-14T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="wordCount" content="1448">
@@ -471,6 +471,11 @@ func run() {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/index.html b/blog/index.html
index d1cdaa3..26fdd1a 100644
--- a/blog/index.html
+++ b/blog/index.html
@@ -173,6 +173,23 @@ if (!doNotTrack) {
<li class="media mb-4">
<div class="media-body">
+ <h5 class="mt-0 mb-1"><a href="/blog/2021-02-07-infrastructure-monitoring/">SkyWalking 8.4 provides infrastructure monitoring</a></h5>
+ <p class="mb-2 mb-md-3"><small class="text-muted">Monday, February 08, 2021 in Blog</small></p>
+
+
+
+
+
+
+ <p class="pt-0 mt-0"> Origin: Tetrate.io blog
+ Background Apache SkyWalking– the APM tool for distributed systems– has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The …</p>
+ <p class="pt-0 mt-0">In this tutorial, learn how to use Apache SkyWalking for infrastructure monitoring</p>
+ <p class="pt-0"><a href="/blog/2021-02-07-infrastructure-monitoring/">Read more</a></p>
+ </div>
+ </li>
+
+ <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></p>
@@ -325,22 +342,6 @@ 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-sourcemarker/">[Video] SourceMarker - Continuous Feedback for Developers</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">Today’s monitoring solutions are geared towards operational tasks, displaying behavior as time-series graphs inside dashboards and other abstractions. These abstractions are immensely useful but are largely designed for software operators, …</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-sourcemarker/">Read more</a></p>
- </div>
- </li>
-
</ul>
</div>
@@ -412,6 +413,11 @@ Just 11 months ago, on Jan. 20th, 2020, SkyWalking hit the 200 contributors mark
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/index.xml b/blog/index.xml
index 446ae66..3a290e8 100644
--- a/blog/index.xml
+++ b/blog/index.xml
@@ -14,6 +14,178 @@
<item>
+ <title>Blog: SkyWalking 8.4 provides infrastructure monitoring</title>
+ <link>/blog/2021-02-07-infrastructure-monitoring/</link>
+ <pubDate>Mon, 08 Feb 2021 00:00:00 +0000</pubDate>
+
+ <guid>/blog/2021-02-07-infrastructure-monitoring/</guid>
+ <description>
+
+
+ <p><img src="apache-skywalking.jpeg" alt=""></p>
+<blockquote>
+<p>Origin: <a href="https://www.tetrate.io/blog/skywalking-8-4-provides-infrastucture-monitoring-for-vms/">Tetrate.io blog</a></p>
+</blockquote>
+<h2 id="background">Background</h2>
+<p>Apache SkyWalking&ndash; the APM tool for distributed systems&ndash; has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The newest release, SkyWalking 8.4.0, introduces a new feature for monitoring virtual machines. Users can easily detect possible problems from the dashboard&ndash; for example, when CPU usage is overloaded, when there’s not enough memory or disk space, or when the [...]
+<h2 id="how-it-works">How it works</h2>
+<p>SkyWalking leverages Prometheus and OpenTelemetry for collecting metrics data as we did for Istio control panel metrics; Prometheus is mature and widely used, and we expect to see increased adoption of the new CNCF project, OpenTelemetry. The SkyWalking OAP Server receives these metrics data of OpenCensus format from OpenTelemetry. The process is as follows:</p>
+<p><img src="how-it-works.png" alt="The monitring work process"></p>
+<ol>
+<li>Prometheus Node Exporter collects metrics data from the VMs.</li>
+<li>OpenTelemetry Collector fetches metrics from Node Exporters via Prometheus Receiver, and pushes metrics to SkyWalking OAP Server via the OpenCensus GRPC Exporter.</li>
+<li>The SkyWalking OAP Server parses the expression with <a href="https://github.com/apache/skywalking/blob/master/docs/en/concepts-and-designs/mal.md">MAL</a> to filter/calculate/aggregate and store the results. The expression rules are in <code>/config/otel-oc-rules/vm.yaml</code>.</li>
+<li>We can now see the data on the SkyWalking WebUI dashboard.</li>
+</ol>
+<h2 id="what-to-monitor">What to monitor</h2>
+<p>SkyWalking provides default monitoring metrics including:</p>
+<ul>
+<li>CPU Usage (%)</li>
+<li>Memory RAM Usage (MB)</li>
+<li>Memory Swap Usage (MB)</li>
+<li>CPU Average Used</li>
+<li>CPU Load</li>
+<li>Memory RAM (total/available/used MB)</li>
+<li>Memory Swap (total/free MB)</li>
+<li>File System Mount point Usage (%)</li>
+<li>Disk R/W (KB/s)</li>
+<li>Network Bandwidth Usage (receive/transmit KB/s)</li>
+<li>Network Status (tcp_curr_estab/tcp_tw/tcp_alloc/sockets_used/udp_inuse)</li>
+<li>File fd Allocated</li>
+</ul>
+<p>The following is how it looks when we monitor Linux:</p>
+<p><img src="monitoring-screen-shot1.png" alt=""></p>
+<p><img src="monitoring-screen-shot2.png" alt=""></p>
+<h2 id="how-to-use">How to use</h2>
+<p>To enable this feature, we need to install Prometheus Node Exporter and OpenTelemetry Collector and activate the VM monitoring rules in SkyWalking OAP Server.</p>
+<h3 id="install-prometheus-node-exporter">Install Prometheus Node Exporter</h3>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">wget https://github.com/prometheus/node_exporter/releases/download/v1.0.1/node_exporter-1.0.1.linux-amd64.tar.gz
+tar xvfz node_exporter-1.0.1.linux-amd64.tar.gz
+cd node_exporter-1.0.1.linux-amd64
+./node_exporter
+</code></pre></div><p>In linux Node Exporter exposes metrics on port <code>9100</code> by default. When it is running, we can get the metrics from the <code>/metrics</code> endpoint. Use a web browser or command <code>curl</code> to verify.</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">curl http://localhost:9100/metrics
+</code></pre></div><p>We should see all the metrics from the output like:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell"><span style="color:#75715e"># HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.</span>
+<span style="color:#75715e"># TYPE go_gc_duration_seconds summary</span>
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0&#34;</span><span style="color:#f92672">}</span> 7.7777e-05
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.25&#34;</span><span style="color:#f92672">}</span> 0.000113756
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.5&#34;</span><span style="color:#f92672">}</span> 0.000127199
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.75&#34;</span><span style="color:#f92672">}</span> 0.000147778
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;1&#34;</span><span style="color:#f92672">}</span> 0.000371894
+go_gc_duration_seconds_sum 0.292994058
+go_gc_duration_seconds_count <span style="color:#ae81ff">2029</span>
+...
+</code></pre></div><p>Note: We only need to install Node Exporter, rather than Prometheus server.
+If you want to get more information about Prometheus Node Exporter see: <a href="https://prometheus.io/docs/guides/node-exporter/">https://prometheus.io/docs/guides/node-exporter/</a></p>
+<h3 id="install-opentelemetry-collector">Install OpenTelemetry Collector</h3>
+<p>We can quickly install a OpenTelemetry Collector instance by using <code>docker-compose</code> with the following steps:</p>
+<ol>
+<li>Create a directory to store the configuration files, like <code>/usr/local/otel</code>.</li>
+<li>Create <code>docker-compose.yaml</code> and <code>otel-collector-config.yaml</code> in this directory represented below:</li>
+</ol>
+<p><code>docker-compose.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">version</span>: <span style="color:#e6db74">&#34;2&#34;</span>
+<span style="color:#66d9ef">services</span>:
+ <span style="color:#75715e"># Collector</span>
+ <span style="color:#66d9ef">otel-collector</span>:
+ <span style="color:#75715e"># Specify the image to start the container from</span>
+ <span style="color:#66d9ef">image</span>: otel/opentelemetry-collector:<span style="color:#ae81ff">0.19.0</span>
+ <span style="color:#75715e"># Set the otel-collector configfile </span>
+ <span style="color:#66d9ef">command</span>: [<span style="color:#e6db74">&#34;--config=/etc/otel-collector-config.yaml&#34;</span>]
+ <span style="color:#75715e"># Mapping the configfile to host directory</span>
+ <span style="color:#66d9ef">volumes</span>:
+ - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
+ <span style="color:#66d9ef">ports</span>:
+ - <span style="color:#e6db74">&#34;13133:13133&#34;</span> <span style="color:#75715e"># health_check extension</span>
+ - <span style="color:#e6db74">&#34;55678&#34;</span> <span style="color:#75715e"># OpenCensus receiver</span>
+</code></pre></div><p><code>otel-collector-config.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">extensions</span>:
+ <span style="color:#66d9ef">health_check</span>:
+<span style="color:#75715e"># A receiver is how data gets into the OpenTelemetry Collector</span>
+<span style="color:#66d9ef">receivers</span>:
+ <span style="color:#75715e"># Set Prometheus Receiver to collects metrics from targets</span>
+ <span style="color:#75715e"># It’s supports the full set of Prometheus configuration</span>
+ <span style="color:#66d9ef">prometheus</span>:
+ <span style="color:#66d9ef">config</span>:
+ <span style="color:#66d9ef">scrape_configs</span>:
+ - <span style="color:#66d9ef">job_name</span>: <span style="color:#e6db74">&#39;otel-collector&#39;</span>
+ <span style="color:#66d9ef">scrape_interval</span>: 10s
+ <span style="color:#66d9ef">static_configs</span>:
+ <span style="color:#75715e"># Replace the IP to your VMs‘s IP which has installed Node Exporter</span>
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm1:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm2:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ ‘vm3:<span style="color:#ae81ff">9100</span>&#39; ]
+
+<span style="color:#66d9ef">processors</span>:
+ <span style="color:#66d9ef">batch</span>:
+
+<span style="color:#75715e"># An exporter is how data gets sent to different systems/back-ends</span>
+<span style="color:#66d9ef">exporters</span>:
+ <span style="color:#75715e"># Exports metrics via gRPC using OpenCensus format</span>
+ <span style="color:#66d9ef">opencensus</span>:
+ <span style="color:#66d9ef">endpoint</span>: <span style="color:#e6db74">&#34;docker.for.mac.host.internal:11800&#34;</span> <span style="color:#75715e"># The OAP Server address</span>
+ <span style="color:#66d9ef">insecure</span>: <span style="color:#66d9ef">true</span>
+ <span style="color:#66d9ef">logging</span>:
+ <span style="color:#66d9ef">logLevel</span>: debug
+
+<span style="color:#66d9ef">service</span>:
+ <span style="color:#66d9ef">pipelines</span>:
+ <span style="color:#66d9ef">metrics</span>:
+ <span style="color:#66d9ef">receivers</span>: [prometheus]
+ <span style="color:#66d9ef">processors</span>: [batch]
+ <span style="color:#66d9ef">exporters</span>: [logging, opencensus]
+
+ <span style="color:#66d9ef">extensions</span>: [health_check]
+</code></pre></div><ol start="3">
+<li>In this directory use command <code>docker-compose</code> to start up the container:</li>
+</ol>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">docker-compose up -d
+</code></pre></div><p>After the container is up and running, you should see metrics already exported in the logs:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">...
+Metric <span style="color:#75715e">#165</span>
+Descriptor:
+-&gt; Name: node_network_receive_compressed_total
+-&gt; Description: Network device statistic receive_compressed.
+-&gt; Unit:
+-&gt; DataType: DoubleSum
+-&gt; IsMonotonic: true
+-&gt; AggregationTemporality: AGGREGATION_TEMPORALITY_CUMULATIVE
+DoubleDataPoints <span style="color:#75715e">#0</span>
+Data point labels:
+-&gt; device: ens4
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+DoubleDataPoints <span style="color:#75715e">#1</span>
+Data point labels:
+-&gt; device: lo
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+...
+</code></pre></div><p>If you want to get more information about OpenTelemetry Collector see: <a href="https://opentelemetry.io/docs/collector/">https://opentelemetry.io/docs/collector/</a></p>
+<h3 id="set-up-skywalking-oap-server">Set up SkyWalking OAP Server</h3>
+<p>To activate the oc handler and vm relevant rules, set your environment variables:</p>
+<pre><code>SW_OTEL_RECEIVER=default
+SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm
+</code></pre><p>Note: If there are other rules already activated , you can add vm with use <code>,</code> as a separator.</p>
+<pre><code>SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm,oap
+</code></pre><p>Start the SkyWalking OAP Server.</p>
+<h3 id="done">Done!</h3>
+<p>After all of the above steps are completed, check out the SkyWalking WebUI. Dashboard <code>VM</code> provides the default metrics of all observed virtual machines.
+Note: Clear the browser local cache if you used it to access deployments of previous SkyWalking versions.</p>
+<p><img src="monitoring-screen-shot3.png" alt=""></p>
+<h2 id="additional-resources">Additional Resources</h2>
+<ul>
+<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>
+
+ </description>
+ </item>
+
+ <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>
diff --git a/blog/page/2/index.html b/blog/page/2/index.html
index 9110474..15dd182 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-sourcemarker/">[Video] SourceMarker - Continuous Feedback for Developers</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">Today’s monitoring solutions are geared towards operational tasks, displaying behavior as time-series graphs inside dashboards and other abstractions. These abstractions are immensely useful but are largely designed for software operators, …</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-sourcemarker/">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-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>
@@ -317,29 +333,6 @@ This post introduces a way to automatically profile code in production with Apac
</ul>
- <h2>Posts in 2019</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/2019-09-25-alarm-webhook-share/">SkyWalking alarm webhook sharing</a></h5>
- <p class="mb-2 mb-md-3"><small class="text-muted">Wednesday, September 25, 2019 in Blog</small></p>
-
-
-
-
-
-
- <p class="pt-0 mt-0"> Author: Wei Qiang GitHub Background SkyWalking backend provides the alarm function, we can define some Alarm rules, call webhook after the rule is triggered. I share my implementation
-Demonstration SkyWalking alarm UI
-dingtalk message body …</p>
- <p class="pt-0 mt-0"> Alerts via SkyWalking alarm webhook for better perception of tracing.</p>
- <p class="pt-0"><a href="/blog/2019-09-25-alarm-webhook-share/">Read more</a></p>
- </div>
- </li>
-
- </ul>
-
</div>
</div>
<div class="row pl-2 pt-2">
@@ -409,6 +402,11 @@ dingtalk message body …</p>
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/page/3/index.html b/blog/page/3/index.html
index 7a06120..b3ad101 100644
--- a/blog/page/3/index.html
+++ b/blog/page/3/index.html
@@ -172,6 +172,24 @@ if (!doNotTrack) {
<li class="media mb-4">
<div class="media-body">
+ <h5 class="mt-0 mb-1"><a href="/blog/2019-09-25-alarm-webhook-share/">SkyWalking alarm webhook sharing</a></h5>
+ <p class="mb-2 mb-md-3"><small class="text-muted">Wednesday, September 25, 2019 in Blog</small></p>
+
+
+
+
+
+
+ <p class="pt-0 mt-0"> Author: Wei Qiang GitHub Background SkyWalking backend provides the alarm function, we can define some Alarm rules, call webhook after the rule is triggered. I share my implementation
+Demonstration SkyWalking alarm UI
+dingtalk message body …</p>
+ <p class="pt-0 mt-0"> Alerts via SkyWalking alarm webhook for better perception of tracing.</p>
+ <p class="pt-0"><a href="/blog/2019-09-25-alarm-webhook-share/">Read more</a></p>
+ </div>
+ </li>
+
+ <li class="media mb-4">
+ <div class="media-body">
<h5 class="mt-0 mb-1"><a href="/blog/2019-01-25-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>
@@ -313,6 +331,11 @@ In many big systems, distributed and especially microservice architectures becom
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/blog/skywalking8-4-release/index.html b/blog/skywalking8-4-release/index.html
index 1bf80f4..7993280 100644
--- a/blog/skywalking8-4-release/index.html
+++ b/blog/skywalking8-4-release/index.html
@@ -24,11 +24,11 @@
<meta property="og:type" content="article" />
<meta property="og:url" content="/blog/skywalking8-4-release/" />
<meta property="article:published_time" content="2021-02-05T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Apache SkyWalking 8.4: Logs, VM Monitoring, and Dynamic Configurations at Agent Side">
<meta itemprop="description" content="Logs, VM Monitoring, and Dynamic Configurations at Agent Side">
<meta itemprop="datePublished" content="2021-02-05T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
+<meta itemprop="dateModified" content="2021-02-09T09:20:44+08:00" />
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@@ -249,7 +249,7 @@ Figure 5: Grouped Service Topology</p>
<li>
<a href="/blog/2021-02-01-e2e-verifier-design/" class="btn btn-primary "><span class="mr-1">←</span> Previous</a>
</li>
- <a class="btn btn-primary disabled">Next <span class="ml-1">→</span></a>
+ <a href="/blog/2021-02-07-infrastructure-monitoring/" class="btn btn-primary ">Next <span class="ml-1">→</span></a>
</li>
</ul>
@@ -292,6 +292,11 @@ Figure 5: Grouped Service Topology</p>
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/events/release-apache-skwaylking-apm-8-3-0/index.html b/events/release-apache-skwaylking-apm-8-3-0/index.html
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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<meta itemprop="description" content="5.0.0-beta release. Go to downloads page to find release tars.">
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
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@@ -26,13 +26,13 @@ Key updates
<meta property="og:type" content="article" />
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.0.0-beta">
<meta itemprop="description" content="6.0.0-beta release. Go to downloads page to find release tars.
Key updates
Bugs fixed, closed to GA New protocols provided, old still compatible. Spring 5 supported MySQL and TiDB as optional storage ">
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index 1c54781..cf6090c 100644
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<meta property="og:url" content="/events/release-apache-skywalking-apm-6-0-0-ga/" />
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.0.0-GA">
<meta itemprop="description" content="6.0.0-GA release. Go to downloads page to find release tars. This is an important milestone version, we recommend all users upgrade to this version.
Key updates
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index 0625375..c536328 100644
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.1.0">
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Key updates
RocketBot UI OAP performance improvement ">
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index 28b0fb9..880296a 100644
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<meta property="og:url" content="/events/release-apache-skywalking-apm-6-2-0/" />
<meta property="article:published_time" content="2019-07-02T00:00:00+00:00" />
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.2.0">
<meta itemprop="description" content="6.2.0 release. Go to downloads page to find release tars. ElasticSearch storage implementation changed, high reduce payload to ElasticSearch cluster.
Read changelog for the details.">
<meta itemprop="datePublished" content="2019-07-02T00:00:00+00:00" />
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diff --git a/events/release-apache-skywalking-apm-6-3-0/index.html b/events/release-apache-skywalking-apm-6-3-0/index.html
index de38635..b2a6bb7 100644
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.3.0">
<meta itemprop="description" content="6.3.0 release. Go to downloads page to find release tars.
Improve ElasticSearch storage implementation performance again. OAP backend re-install w/o agent reboot required. Read changelog for the details.">
<meta itemprop="datePublished" content="2019-08-08T00:00:00+00:00" />
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<meta itemprop="name" content="Release Apache SkyWalking APM 6.4.0">
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<meta itemprop="name" content="Release Apache SkyWalking APM 7.0.0">
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<meta itemprop="datePublished" content="2020-06-15T00:00:00+00:00" />
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index 85f6eb6..6a0243b 100644
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<meta itemprop="datePublished" content="2020-08-03T00:00:00+00:00" />
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index c374c81..79fe26c 100644
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<meta itemprop="datePublished" content="2020-10-27T00:00:00+00:00" />
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index 99ab66e..02fb2c5 100644
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index b33ea15..7fe6280 100644
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<meta itemprop="name" content="Release Apache SkyWalking CLI 0.1.0">
<meta itemprop="description" content="SkyWalking CLI 0.1.0 is released. Go to downloads page to find release tars.
Add command swctl service to list services Add command swctl instance and swctl search to list and search instances of service. Add command swctl endpoint to list endpoints of service. Add command swctl linear-metrics to query linear metrics and plot the metrics in Ascii Graph mode. Add command swctl single-metrics to query single-value metrics. ">
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index d258c3d..43066bb 100644
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<meta itemprop="name" content="Release Apache SkyWalking CLI 0.2.0">
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Support visualization of heat map Support top N entities, swctl metrics top 5 --name service_sla Support thermodynamic metrics, swctl metrics thermodynamic --name all_heatmap Support multiple linear metrics, swctl --display=graph --debug metrics multiple-linear --name all_percentile ">
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index 8c5998d..601edc0 100644
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<meta itemprop="name" content="Release Apache SkyWalking CLI 0.3.0">
<meta itemprop="description" content="SkyWalking CLI 0.3.0 is released. Go to downloads page to find release tars.
Command: health check command Command: Add trace command BugFix: Fix wrong metrics graphql path ">
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index f1443bf..24e2eb4 100644
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<meta itemprop="name" content="Release Apache SkyWalking CLI 0.4.0">
<meta itemprop="description" content="SkyWalking CLI 0.4.0 is released. Go to downloads page to find release tars.
Features Add dashboard global command with auto-refresh Add dashboard global-metrics command Add traces search Refactor metrics thermodynamic command to adopt the new query protocol Bug Fixes Fix wrong golang standard time ">
<meta itemprop="datePublished" content="2020-10-11T00:00:00+00:00" />
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index 9b14a20..229cb72 100644
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<meta itemprop="name" content="Release Apache SkyWalking CLI 0.5.0">
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diff --git a/events/release-apache-skywalking-client-js-0-3-0/index.html b/events/release-apache-skywalking-client-js-0-3-0/index.html
index ebf5f77..9f4546d 100644
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<meta itemprop="name" content="Release Apache SkyWalking Client JS 0.3.0">
<meta itemprop="description" content="SkyWalking Client JS 0.3.0 is released. Go to downloads page to find release tars.
Support tracing starting at the browser. Add traceSDKInternal SDK for tracing SDK internal RPC. Add detailMode SDK for tracing http method and url as tags in spans. Fix conditions of http status. ">
<meta itemprop="datePublished" content="2021-01-14T00:00:00+00:00" />
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diff --git a/events/release-apache-skywalking-client-js-0.2.0/index.html b/events/release-apache-skywalking-client-js-0.2.0/index.html
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<meta itemprop="name" content="Release Apache SkyWalking Client JS 0.2.0">
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Bug Fixes Fixed a bug in sslTime calculate. Fixed a bug in server response status judgment. ">
<meta itemprop="datePublished" content="2020-11-17T00:00:00+00:00" />
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diff --git a/events/release-apache-skywalking-client-js0.1.0/index.html b/events/release-apache-skywalking-client-js0.1.0/index.html
index ede79f2..ae7a03d 100644
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<meta itemprop="name" content="Release Apache SkyWalking Client JS 0.1.0">
<meta itemprop="description" content="SkyWalking Client JS 0.1.0 is released. Go to downloads page to find release tars.
Support Browser Side Monitoring. Require SkyWalking APM 8.2+. ">
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diff --git a/events/release-apache-skywalking-cloud-on-kubernetes-0-2-0/index.html b/events/release-apache-skywalking-cloud-on-kubernetes-0-2-0/index.html
index 83c4196..26edaa3 100644
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<meta itemprop="name" content="Release Apache SkyWalking Cloud on Kubernetes 0.2.0">
<meta itemprop="description" content="SkyWalking Cloud on Kubernetes 0.2.0 is released. Go to downloads page to find release tars.
Introduce custom metrics adapter to SkyWalking OAP cluster for Kubernetes HPA autoscaling. Add RBAC files and service account to support Kubernetes coordination. Add default and validation webhooks to operator controllers. Add UI CRD to deploy skywalking UI server. Add Fetcher CRD to fetch metrics from other telemetry system, for example, Prometheus. ">
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diff --git a/events/release-apache-skywalking-cloud-on-kubernetes-0.1.0/index.html b/events/release-apache-skywalking-cloud-on-kubernetes-0.1.0/index.html
index b9a6677..3fa0e81 100644
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<meta itemprop="name" content="Release Apache SkyWalking Cloud on Kubernetes 0.1.0">
<meta itemprop="description" content="SkyWalking Cloud on Kubernetes 0.1.0 is released. Go to downloads page to find release tars.
Add OAPServer CRDs and controller. ">
<meta itemprop="datePublished" content="2020-11-16T00:00:00+00:00" />
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<meta itemprop="wordCount" content="20">
diff --git a/events/release-apache-skywalking-eyes-0-1-0/index.html b/events/release-apache-skywalking-eyes-0-1-0/index.html
index 17dcfd5..0b83060 100644
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Release Apache SkyWalking Eyes 0.1.0">
<meta itemprop="description" content="Release Apache SkyWalking Eyes 0.1.0.">
<meta itemprop="datePublished" content="2021-01-12T00:00:00+00:00" />
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<meta itemprop="wordCount" content="41">
diff --git a/events/release-apache-skywalking-kubernetes-helm-chart-4.0.0/index.html b/events/release-apache-skywalking-kubernetes-helm-chart-4.0.0/index.html
index 07bf8b4..d55a43f 100644
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<meta itemprop="name" content="Release Apache SkyWalking Kubernetes Helm Chart 4.0.0">
<meta itemprop="description" content="SkyWalking Kubernetes Helm Chart 4.0.0 is released. Go to downloads page to find release tars.
Allow overriding configurations files under /skywalking/config. Unify the usages of different SkyWalking versions. Add Values for init container in case of using private regestry. Add services, endpoints resources in ClusterRole. ">
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index 03aac25..06564fe 100644
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<meta itemprop="name" content="Release Apache SkyWalking LUA Nginx 0.3.0">
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Load the base64 module in utils, different ENV use different library. Add prefix skywalking, avoid conflicts with other lua libraries. Chore: only expose the method of setting random seed, it is optional. Coc: use correct code block type. CI: add upstream_status to tag http.status Add http.status ">
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diff --git a/events/release-apache-skywalking-nginx-lua-0-2-0/index.html b/events/release-apache-skywalking-nginx-lua-0-2-0/index.html
index ae628b1..6967a52 100644
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<meta itemprop="name" content="Relase Apache SkyWalking Nginx LUA 0.2.0">
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Adapt the new v3 protocol. Implement correlation protocol. Support batch segment report. ">
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index 9549525..826fe21 100644
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<meta itemprop="name" content="Release Apache SkyWalking for NodeJS 0.1.0">
<meta itemprop="description" content="Release Apache SkyWalking NodeJS 0.1.0.">
<meta itemprop="datePublished" content="2020-12-31T00:00:00+00:00" />
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diff --git a/events/release-apache-skywalking-python-0-1-0/index.html b/events/release-apache-skywalking-python-0-1-0/index.html
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<meta itemprop="name" content="Release Apache SkyWalking Python 0.1.0">
<meta itemprop="description" content="SkyWalking Python 0.1.0 is released. Go to downloads page to find release tars.
API: agent core APIs, check the APIs and the examples Plugin: built-in libraries http, urllib.request and third-party library requests are supported. Test: agent test framework is setup, and the corresponding tests of aforementioned plugins are also added. ">
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index 18e8997..98ed3cf 100644
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<meta itemprop="name" content="Release Apache SkyWalking Python 0.2.0">
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Plugins:
Kafka Plugin (#50) Tornado Plugin (#48) Redis Plugin (#44) Django Plugin (#37) PyMsql Plugin (#35) Flask plugin (#31) API
Add ignore_suffix Config (#40) Add missing log method and simplify test codes (#34) Add content equality of SegmentRef (#30) Validate carrier before using it (#29) Chores and tests">
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index 06e29a5..37031ec 100644
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<meta itemprop="datePublished" content="2020-12-28T00:00:00+00:00" />
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diff --git a/events/rocketbot-ui-has-been-accepted-as-skywalking-primary-ui/index.html b/events/rocketbot-ui-has-been-accepted-as-skywalking-primary-ui/index.html
index edf23a3..ec84a26 100644
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-<meta property="article:modified_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="RocketBot UI has been accepted as SkyWalking primary UI">
<meta itemprop="description" content="Apache SkyWalking PMC accept the RocketBot UI contributions. After IP clearance, it will be released in SkyWalking 6.1 soon.">
<meta itemprop="datePublished" content="2019-04-23T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
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<meta itemprop="wordCount" content="19">
diff --git a/events/skywalking-graduated-as-apache-top-level-project/index.html b/events/skywalking-graduated-as-apache-top-level-project/index.html
index ae873f4..8b1a53d 100644
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<meta property="article:published_time" content="2019-04-17T00:00:00+00:00" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="SkyWalking graduated as Apache Top Level Project">
<meta itemprop="description" content="Apache board approved SkyWalking graduated as TLP at April 17th 2019.">
<meta itemprop="datePublished" content="2019-04-17T00:00:00+00:00" />
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<meta itemprop="wordCount" content="11">
diff --git a/events/skywalking-nginx-lua-0-1-0-release/index.html b/events/skywalking-nginx-lua-0-1-0-release/index.html
index e8e28e4..b02b99c 100644
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<meta property="og:url" content="/events/skywalking-nginx-lua-0-1-0-release/" />
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<meta itemprop="name" content="SkyWalking Nginx LUA 0.1.0 release">
<meta itemprop="description" content="Support tracing and collect metrics from Nginx server. Require SkyWalking APM 7.0+.">
<meta itemprop="datePublished" content="2020-03-10T00:00:00+00:00" />
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diff --git a/events/transfer-docker-images-to-apache-official-repository/index.html b/events/transfer-docker-images-to-apache-official-repository/index.html
index b483948..b8956ba 100644
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<meta property="og:url" content="/events/transfer-docker-images-to-apache-official-repository/" />
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<meta itemprop="name" content="Transfer Docker Images to Apache Official Repository">
<meta itemprop="description" content="According to Apache Software Foundation branding policy all docker images of Apache Skywalking should be transferred from skywalking to apache with a prefix skywalking-. The transfer details are as follows
skywalking/base -> apache/skywalking-base skywalking/oap -> apache/skywalking-oap-server skywalking/ui -> apache/skywalking-ui All of repositories in skywalking will be removed after one week.">
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diff --git a/events/welcome-gui-cao-as-new-committer/index.html b/events/welcome-gui-cao-as-new-committer/index.html
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<meta itemprop="name" content="Welcome Gui Cao as new committer">
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Meanwhile, he took part in the tech discussion, and show the interests to contribute more to the project.
At Dec. 4th, 2020, the project management committee(PMC) passed the proposal of promoting him as a new committer. He has accepted the invitation at the same day.">
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diff --git a/events/welcome-han-liu-as-new-committer/index.html b/events/welcome-han-liu-as-new-committer/index.html
index 2f7b5cd..3c3d245 100644
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<meta itemprop="name" content="Welcome Han Liu as new committer">
<meta itemprop="description" content="Based on his continuous contributions, Han Liu (a.k.a mrproliu) has been voted as a new committer.">
<meta itemprop="datePublished" content="2020-02-08T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Haochao Zhuang as new committer">
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<meta itemprop="datePublished" content="2019-10-20T00:00:00+00:00" />
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<meta itemprop="datePublished" content="2020-03-05T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Hongwei Zhai to join the PMC">
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<meta itemprop="datePublished" content="2020-01-03T00:00:00+00:00" />
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index 75e4438..be61610 100644
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<meta property="og:url" content="/events/welcome-huaxi-jiang-as-new-committer/" />
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<meta itemprop="name" content="Welcome Huaxi Jiang (江华禧) as new committer">
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<meta itemprop="datePublished" content="2020-09-28T00:00:00+00:00" />
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index 996443c..7984c09 100644
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<meta property="og:url" content="/events/welcome-jian-tan-as-a-new-committer/" />
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<meta itemprop="description" content="Based on his contributions to the project, he has been accepted as SkyWalking committer. Welcome aboard.">
<meta itemprop="datePublished" content="2018-12-02T00:00:00+00:00" />
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index 4203760..d1681ff 100644
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<meta itemprop="datePublished" content="2019-01-29T00:00:00+00:00" />
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index ade874b..63a8dd3 100644
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<meta property="og:url" content="/events/welcome-jiapeng-liu-as-new-committer/" />
<meta property="article:published_time" content="2020-11-05T00:00:00+00:00" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Welcome Jiapeng Liu as new committer">
<meta itemprop="description" content="Based on his continuous contributions, Jiapeng Liu (a.k.a evanljp) has been voted as a new committer.">
<meta itemprop="datePublished" content="2020-11-05T00:00:00+00:00" />
-<meta itemprop="dateModified" content="2021-02-08T07:51:23+08:00" />
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<meta property="og:url" content="/events/welcome-jinlin-fu-as-new-committer/" />
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+<meta property="article:modified_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Welcome Jinlin Fu as new committer">
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<meta itemprop="datePublished" content="2019-01-10T00:00:00+00:00" />
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index 0f42033..5488801 100644
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<meta itemprop="name" content="Welcome Ke Zhang (张可) as new committer">
<meta itemprop="description" content="Ke Zhang (a.k.a. HumbertZhang) mainly focuses on the SkyWalking Python agent, he had participated in the “Open Source Promotion Plan - Summer 2020” and completed the project smoothly, and won the award “Most Potential Students” that shows his great willingness to continuously contribute to our community.
Up to date, he has submitted 8 PRs in the Python agent repository, 7 PRs in the main repo, all in total include ~2000 LOC.">
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<meta itemprop="name" content="Welcome Lang Li as a new committer">
<meta itemprop="description" content="Based on his contributions to the project, he has been accepted as SkyWalking committer. Welcome aboard.">
<meta itemprop="datePublished" content="2019-12-06T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Ming Wen as new committer">
<meta itemprop="description" content="Based on his continuous contributions, Ming Wen (a.k.a moonming) has been voted as a new committer.">
<meta itemprop="datePublished" content="2020-03-09T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Qiuxia Fan as new committer">
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<meta itemprop="datePublished" content="2019-11-23T00:00:00+00:00" />
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<meta itemprop="datePublished" content="2020-08-01T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Weijie Zou as a new committer">
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<meta itemprop="datePublished" content="2019-09-10T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Weiyi Liu as new committer">
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<meta itemprop="datePublished" content="2019-12-10T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Yanlong He as a new committer">
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<meta itemprop="datePublished" content="2019-08-09T00:00:00+00:00" />
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<meta itemprop="name" content="Welcome Yao Wang as a new PPMC">
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<meta itemprop="datePublished" content="2018-12-10T00:00:00+00:00" />
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<meta itemprop="datePublished" content="2019-08-27T00:00:00+00:00" />
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<meta itemprop="datePublished" content="2019-06-17T00:00:00+00:00" />
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index 98501db..1a9df70 100644
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<meta itemprop="datePublished" content="2020-02-21T00:00:00+00:00" />
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@@ -197,6 +197,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/index.json b/index.json
index 51fa063..274ba00 100644
--- a/index.json
+++ b/index.json
@@ -1 +1 @@
-[{"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
+[{"body":"","excerpt":"","ref":"/tags/infrastructure-monitoring/","title":"Infrastructure Monitoring"},{"body":" Origin: Tetrate.io blog\n Background Apache SkyWalking\u0026ndash; the APM tool for distributed systems\u0026ndash; has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The newest release, SkyWalking 8.4.0, introduces a new feature for monitoring virtual machines. Users can easily detect possible [...]
\ No newline at end of file
diff --git a/index.xml b/index.xml
index 56f5b54..5a47658 100644
--- a/index.xml
+++ b/index.xml
@@ -13,6 +13,178 @@
<item>
+ <title>Blog: SkyWalking 8.4 provides infrastructure monitoring</title>
+ <link>/blog/2021-02-07-infrastructure-monitoring/</link>
+ <pubDate>Mon, 08 Feb 2021 00:00:00 +0000</pubDate>
+
+ <guid>/blog/2021-02-07-infrastructure-monitoring/</guid>
+ <description>
+
+
+ <p><img src="apache-skywalking.jpeg" alt=""></p>
+<blockquote>
+<p>Origin: <a href="https://www.tetrate.io/blog/skywalking-8-4-provides-infrastucture-monitoring-for-vms/">Tetrate.io blog</a></p>
+</blockquote>
+<h2 id="background">Background</h2>
+<p>Apache SkyWalking&ndash; the APM tool for distributed systems&ndash; has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The newest release, SkyWalking 8.4.0, introduces a new feature for monitoring virtual machines. Users can easily detect possible problems from the dashboard&ndash; for example, when CPU usage is overloaded, when there’s not enough memory or disk space, or when the [...]
+<h2 id="how-it-works">How it works</h2>
+<p>SkyWalking leverages Prometheus and OpenTelemetry for collecting metrics data as we did for Istio control panel metrics; Prometheus is mature and widely used, and we expect to see increased adoption of the new CNCF project, OpenTelemetry. The SkyWalking OAP Server receives these metrics data of OpenCensus format from OpenTelemetry. The process is as follows:</p>
+<p><img src="how-it-works.png" alt="The monitring work process"></p>
+<ol>
+<li>Prometheus Node Exporter collects metrics data from the VMs.</li>
+<li>OpenTelemetry Collector fetches metrics from Node Exporters via Prometheus Receiver, and pushes metrics to SkyWalking OAP Server via the OpenCensus GRPC Exporter.</li>
+<li>The SkyWalking OAP Server parses the expression with <a href="https://github.com/apache/skywalking/blob/master/docs/en/concepts-and-designs/mal.md">MAL</a> to filter/calculate/aggregate and store the results. The expression rules are in <code>/config/otel-oc-rules/vm.yaml</code>.</li>
+<li>We can now see the data on the SkyWalking WebUI dashboard.</li>
+</ol>
+<h2 id="what-to-monitor">What to monitor</h2>
+<p>SkyWalking provides default monitoring metrics including:</p>
+<ul>
+<li>CPU Usage (%)</li>
+<li>Memory RAM Usage (MB)</li>
+<li>Memory Swap Usage (MB)</li>
+<li>CPU Average Used</li>
+<li>CPU Load</li>
+<li>Memory RAM (total/available/used MB)</li>
+<li>Memory Swap (total/free MB)</li>
+<li>File System Mount point Usage (%)</li>
+<li>Disk R/W (KB/s)</li>
+<li>Network Bandwidth Usage (receive/transmit KB/s)</li>
+<li>Network Status (tcp_curr_estab/tcp_tw/tcp_alloc/sockets_used/udp_inuse)</li>
+<li>File fd Allocated</li>
+</ul>
+<p>The following is how it looks when we monitor Linux:</p>
+<p><img src="monitoring-screen-shot1.png" alt=""></p>
+<p><img src="monitoring-screen-shot2.png" alt=""></p>
+<h2 id="how-to-use">How to use</h2>
+<p>To enable this feature, we need to install Prometheus Node Exporter and OpenTelemetry Collector and activate the VM monitoring rules in SkyWalking OAP Server.</p>
+<h3 id="install-prometheus-node-exporter">Install Prometheus Node Exporter</h3>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">wget https://github.com/prometheus/node_exporter/releases/download/v1.0.1/node_exporter-1.0.1.linux-amd64.tar.gz
+tar xvfz node_exporter-1.0.1.linux-amd64.tar.gz
+cd node_exporter-1.0.1.linux-amd64
+./node_exporter
+</code></pre></div><p>In linux Node Exporter exposes metrics on port <code>9100</code> by default. When it is running, we can get the metrics from the <code>/metrics</code> endpoint. Use a web browser or command <code>curl</code> to verify.</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">curl http://localhost:9100/metrics
+</code></pre></div><p>We should see all the metrics from the output like:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell"><span style="color:#75715e"># HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.</span>
+<span style="color:#75715e"># TYPE go_gc_duration_seconds summary</span>
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0&#34;</span><span style="color:#f92672">}</span> 7.7777e-05
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.25&#34;</span><span style="color:#f92672">}</span> 0.000113756
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.5&#34;</span><span style="color:#f92672">}</span> 0.000127199
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.75&#34;</span><span style="color:#f92672">}</span> 0.000147778
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;1&#34;</span><span style="color:#f92672">}</span> 0.000371894
+go_gc_duration_seconds_sum 0.292994058
+go_gc_duration_seconds_count <span style="color:#ae81ff">2029</span>
+...
+</code></pre></div><p>Note: We only need to install Node Exporter, rather than Prometheus server.
+If you want to get more information about Prometheus Node Exporter see: <a href="https://prometheus.io/docs/guides/node-exporter/">https://prometheus.io/docs/guides/node-exporter/</a></p>
+<h3 id="install-opentelemetry-collector">Install OpenTelemetry Collector</h3>
+<p>We can quickly install a OpenTelemetry Collector instance by using <code>docker-compose</code> with the following steps:</p>
+<ol>
+<li>Create a directory to store the configuration files, like <code>/usr/local/otel</code>.</li>
+<li>Create <code>docker-compose.yaml</code> and <code>otel-collector-config.yaml</code> in this directory represented below:</li>
+</ol>
+<p><code>docker-compose.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">version</span>: <span style="color:#e6db74">&#34;2&#34;</span>
+<span style="color:#66d9ef">services</span>:
+ <span style="color:#75715e"># Collector</span>
+ <span style="color:#66d9ef">otel-collector</span>:
+ <span style="color:#75715e"># Specify the image to start the container from</span>
+ <span style="color:#66d9ef">image</span>: otel/opentelemetry-collector:<span style="color:#ae81ff">0.19.0</span>
+ <span style="color:#75715e"># Set the otel-collector configfile </span>
+ <span style="color:#66d9ef">command</span>: [<span style="color:#e6db74">&#34;--config=/etc/otel-collector-config.yaml&#34;</span>]
+ <span style="color:#75715e"># Mapping the configfile to host directory</span>
+ <span style="color:#66d9ef">volumes</span>:
+ - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
+ <span style="color:#66d9ef">ports</span>:
+ - <span style="color:#e6db74">&#34;13133:13133&#34;</span> <span style="color:#75715e"># health_check extension</span>
+ - <span style="color:#e6db74">&#34;55678&#34;</span> <span style="color:#75715e"># OpenCensus receiver</span>
+</code></pre></div><p><code>otel-collector-config.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">extensions</span>:
+ <span style="color:#66d9ef">health_check</span>:
+<span style="color:#75715e"># A receiver is how data gets into the OpenTelemetry Collector</span>
+<span style="color:#66d9ef">receivers</span>:
+ <span style="color:#75715e"># Set Prometheus Receiver to collects metrics from targets</span>
+ <span style="color:#75715e"># It’s supports the full set of Prometheus configuration</span>
+ <span style="color:#66d9ef">prometheus</span>:
+ <span style="color:#66d9ef">config</span>:
+ <span style="color:#66d9ef">scrape_configs</span>:
+ - <span style="color:#66d9ef">job_name</span>: <span style="color:#e6db74">&#39;otel-collector&#39;</span>
+ <span style="color:#66d9ef">scrape_interval</span>: 10s
+ <span style="color:#66d9ef">static_configs</span>:
+ <span style="color:#75715e"># Replace the IP to your VMs‘s IP which has installed Node Exporter</span>
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm1:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm2:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ ‘vm3:<span style="color:#ae81ff">9100</span>&#39; ]
+
+<span style="color:#66d9ef">processors</span>:
+ <span style="color:#66d9ef">batch</span>:
+
+<span style="color:#75715e"># An exporter is how data gets sent to different systems/back-ends</span>
+<span style="color:#66d9ef">exporters</span>:
+ <span style="color:#75715e"># Exports metrics via gRPC using OpenCensus format</span>
+ <span style="color:#66d9ef">opencensus</span>:
+ <span style="color:#66d9ef">endpoint</span>: <span style="color:#e6db74">&#34;docker.for.mac.host.internal:11800&#34;</span> <span style="color:#75715e"># The OAP Server address</span>
+ <span style="color:#66d9ef">insecure</span>: <span style="color:#66d9ef">true</span>
+ <span style="color:#66d9ef">logging</span>:
+ <span style="color:#66d9ef">logLevel</span>: debug
+
+<span style="color:#66d9ef">service</span>:
+ <span style="color:#66d9ef">pipelines</span>:
+ <span style="color:#66d9ef">metrics</span>:
+ <span style="color:#66d9ef">receivers</span>: [prometheus]
+ <span style="color:#66d9ef">processors</span>: [batch]
+ <span style="color:#66d9ef">exporters</span>: [logging, opencensus]
+
+ <span style="color:#66d9ef">extensions</span>: [health_check]
+</code></pre></div><ol start="3">
+<li>In this directory use command <code>docker-compose</code> to start up the container:</li>
+</ol>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">docker-compose up -d
+</code></pre></div><p>After the container is up and running, you should see metrics already exported in the logs:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">...
+Metric <span style="color:#75715e">#165</span>
+Descriptor:
+-&gt; Name: node_network_receive_compressed_total
+-&gt; Description: Network device statistic receive_compressed.
+-&gt; Unit:
+-&gt; DataType: DoubleSum
+-&gt; IsMonotonic: true
+-&gt; AggregationTemporality: AGGREGATION_TEMPORALITY_CUMULATIVE
+DoubleDataPoints <span style="color:#75715e">#0</span>
+Data point labels:
+-&gt; device: ens4
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+DoubleDataPoints <span style="color:#75715e">#1</span>
+Data point labels:
+-&gt; device: lo
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+...
+</code></pre></div><p>If you want to get more information about OpenTelemetry Collector see: <a href="https://opentelemetry.io/docs/collector/">https://opentelemetry.io/docs/collector/</a></p>
+<h3 id="set-up-skywalking-oap-server">Set up SkyWalking OAP Server</h3>
+<p>To activate the oc handler and vm relevant rules, set your environment variables:</p>
+<pre><code>SW_OTEL_RECEIVER=default
+SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm
+</code></pre><p>Note: If there are other rules already activated , you can add vm with use <code>,</code> as a separator.</p>
+<pre><code>SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm,oap
+</code></pre><p>Start the SkyWalking OAP Server.</p>
+<h3 id="done">Done!</h3>
+<p>After all of the above steps are completed, check out the SkyWalking WebUI. Dashboard <code>VM</code> provides the default metrics of all observed virtual machines.
+Note: Clear the browser local cache if you used it to access deployments of previous SkyWalking versions.</p>
+<p><img src="monitoring-screen-shot3.png" alt=""></p>
+<h2 id="additional-resources">Additional Resources</h2>
+<ul>
+<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>
+
+ </description>
+ </item>
+
+ <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>
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<url>
<loc>/docs/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
<priority>0.5</priority>
</url>
<url>
<loc>/downloads/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
<priority>0.5</priority>
</url>
<url>
<loc>/events/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
<priority>0.5</priority>
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@@ -1249,7 +1263,7 @@
<url>
<loc>/search/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
<priority>0.5</priority>
</url>
@@ -1262,7 +1276,7 @@
<url>
<loc>/team/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
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@@ -1275,7 +1289,7 @@
<url>
<loc>/zh/</loc>
- <lastmod>2021-02-08T07:51:23+08:00</lastmod>
+ <lastmod>2021-02-09T09:20:44+08:00</lastmod>
<changefreq>daily</changefreq>
<priority>0.5</priority>
</url>
diff --git a/tags/agent/index.html b/tags/agent/index.html
index 0180137..84f2215 100644
--- a/tags/agent/index.html
+++ b/tags/agent/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/agent/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Agent">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -285,6 +285,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/browser/index.html b/tags/browser/index.html
index 7cd501a..e7d6ecb 100644
--- a/tags/browser/index.html
+++ b/tags/browser/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/browser/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Browser">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -248,6 +248,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/conference/index.html b/tags/conference/index.html
index cb0d87e..6501f8a 100644
--- a/tags/conference/index.html
+++ b/tags/conference/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/conference/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Conference">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -356,6 +356,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/design/index.html b/tags/design/index.html
index 70fefff..2364558 100644
--- a/tags/design/index.html
+++ b/tags/design/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/design/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Design">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -248,6 +248,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/dotnetcore/index.html b/tags/dotnetcore/index.html
index de9e40e..b316775 100644
--- a/tags/dotnetcore/index.html
+++ b/tags/dotnetcore/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/dotnetcore/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="DotNetCore">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -248,6 +248,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/index.html b/tags/index.html
index ecdc47e..0b214cb 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -24,7 +24,7 @@
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
<meta property="og:url" content="/tags/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
<meta itemprop="name" content="Tags">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -197,6 +197,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/index.xml b/tags/index.xml
index 8cb548b..acfa0e1 100644
--- a/tags/index.xml
+++ b/tags/index.xml
@@ -4,7 +4,7 @@
<link>/tags/</link>
<description>Recent content in Tags on Apache SkyWalking</description>
<generator>Hugo -- gohugo.io</generator>
- <lastBuildDate>Fri, 05 Feb 2021 00:00:00 +0000</lastBuildDate>
+ <lastBuildDate>Mon, 08 Feb 2021 00:00:00 +0000</lastBuildDate>
<atom:link href="/tags/index.xml" rel="self" type="application/rss+xml" />
diff --git a/tags/logs/index.html b/tags/infrastructure-monitoring/index.html
similarity index 94%
copy from tags/logs/index.html
copy to tags/infrastructure-monitoring/index.html
index 17fdc72..2b0737f 100644
--- a/tags/logs/index.html
+++ b/tags/infrastructure-monitoring/index.html
@@ -8,7 +8,7 @@
<meta property="og:image" content="https://skywalking.apache.org/images/skywalking_400x400.png">
<meta name="generator" content="Hugo 0.74.3" />
<META NAME="ROBOTS" CONTENT="INDEX, FOLLOW">
-<link rel="alternate" type="application/rss+xml" href="/tags/logs/index.xml">
+<link rel="alternate" type="application/rss+xml" href="/tags/infrastructure-monitoring/index.xml">
@@ -20,15 +20,15 @@
<meta name="msapplication-TileColor" content="#da532c">
<meta name="theme-color" content="#ffffff">
-<title>Logs | Apache SkyWalking</title><meta property="og:title" content="Logs" />
+<title>Infrastructure Monitoring | Apache SkyWalking</title><meta property="og:title" content="Infrastructure Monitoring" />
<meta property="og:description" content="" />
<meta property="og:type" content="website" />
-<meta property="og:url" content="/tags/logs/" />
-<meta property="og:updated_time" content="2021-02-08T07:51:23+08:00" />
-<meta itemprop="name" content="Logs">
+<meta property="og:url" content="/tags/infrastructure-monitoring/" />
+<meta property="og:updated_time" content="2021-02-09T09:20:44+08:00" />
+<meta itemprop="name" content="Infrastructure Monitoring">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
-<meta name="twitter:title" content="Logs"/>
+<meta name="twitter:title" content="Infrastructure Monitoring"/>
<meta name="twitter:description" content=""/>
<script type="application/javascript">
@@ -58,7 +58,7 @@ if (!doNotTrack) {
- <title>Logs | Apache SkyWalking</title>
+ <title>Infrastructure Monitoring | Apache SkyWalking</title>
</head>
<body class="td-term tags-list">
<header>
@@ -174,15 +174,13 @@ if (!doNotTrack) {
<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>
+ <h5 class="mt-0 mb-1"><a href="/blog/2021-02-07-infrastructure-monitoring/">SkyWalking 8.4 provides infrastructure monitoring</a></h5>
+ <p class="mb-2 mb-md-3"><small class="text-muted">Monday, February 08, 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>
+ <span><a href="/tags/infrastructure-monitoring" class="tag-link">Infrastructure Monitoring</a></span>
</small>
@@ -194,8 +192,8 @@ if (!doNotTrack) {
- <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>
+ <p class="pt-0 mt-0">In this tutorial, learn how to use Apache SkyWalking for infrastructure monitoring</p>
+ <p class="pt-0"><a href="/blog/2021-02-07-infrastructure-monitoring/">Read more</a></p>
</div>
</li>
@@ -248,6 +246,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
+
+ <li>
<a href="/tags/java/" class="tag-link">Java</a>
<span class="count">1</span>
</li>
diff --git a/tags/infrastructure-monitoring/index.xml b/tags/infrastructure-monitoring/index.xml
new file mode 100644
index 0000000..78daa39
--- /dev/null
+++ b/tags/infrastructure-monitoring/index.xml
@@ -0,0 +1,190 @@
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+ <channel>
+ <title>Apache SkyWalking – Infrastructure Monitoring</title>
+ <link>/tags/infrastructure-monitoring/</link>
+ <description>Recent content in Infrastructure Monitoring on Apache SkyWalking</description>
+ <generator>Hugo -- gohugo.io</generator>
+ <lastBuildDate>Mon, 08 Feb 2021 00:00:00 +0000</lastBuildDate>
+
+ <atom:link href="/tags/infrastructure-monitoring/index.xml" rel="self" type="application/rss+xml" />
+
+
+
+
+
+
+
+ <item>
+ <title>Blog: SkyWalking 8.4 provides infrastructure monitoring</title>
+ <link>/blog/2021-02-07-infrastructure-monitoring/</link>
+ <pubDate>Mon, 08 Feb 2021 00:00:00 +0000</pubDate>
+
+ <guid>/blog/2021-02-07-infrastructure-monitoring/</guid>
+ <description>
+
+
+ <p><img src="apache-skywalking.jpeg" alt=""></p>
+<blockquote>
+<p>Origin: <a href="https://www.tetrate.io/blog/skywalking-8-4-provides-infrastucture-monitoring-for-vms/">Tetrate.io blog</a></p>
+</blockquote>
+<h2 id="background">Background</h2>
+<p>Apache SkyWalking&ndash; the APM tool for distributed systems&ndash; has historically focused on providing observability around tracing and metrics, but service performance is often affected by the host. The newest release, SkyWalking 8.4.0, introduces a new feature for monitoring virtual machines. Users can easily detect possible problems from the dashboard&ndash; for example, when CPU usage is overloaded, when there’s not enough memory or disk space, or when the [...]
+<h2 id="how-it-works">How it works</h2>
+<p>SkyWalking leverages Prometheus and OpenTelemetry for collecting metrics data as we did for Istio control panel metrics; Prometheus is mature and widely used, and we expect to see increased adoption of the new CNCF project, OpenTelemetry. The SkyWalking OAP Server receives these metrics data of OpenCensus format from OpenTelemetry. The process is as follows:</p>
+<p><img src="how-it-works.png" alt="The monitring work process"></p>
+<ol>
+<li>Prometheus Node Exporter collects metrics data from the VMs.</li>
+<li>OpenTelemetry Collector fetches metrics from Node Exporters via Prometheus Receiver, and pushes metrics to SkyWalking OAP Server via the OpenCensus GRPC Exporter.</li>
+<li>The SkyWalking OAP Server parses the expression with <a href="https://github.com/apache/skywalking/blob/master/docs/en/concepts-and-designs/mal.md">MAL</a> to filter/calculate/aggregate and store the results. The expression rules are in <code>/config/otel-oc-rules/vm.yaml</code>.</li>
+<li>We can now see the data on the SkyWalking WebUI dashboard.</li>
+</ol>
+<h2 id="what-to-monitor">What to monitor</h2>
+<p>SkyWalking provides default monitoring metrics including:</p>
+<ul>
+<li>CPU Usage (%)</li>
+<li>Memory RAM Usage (MB)</li>
+<li>Memory Swap Usage (MB)</li>
+<li>CPU Average Used</li>
+<li>CPU Load</li>
+<li>Memory RAM (total/available/used MB)</li>
+<li>Memory Swap (total/free MB)</li>
+<li>File System Mount point Usage (%)</li>
+<li>Disk R/W (KB/s)</li>
+<li>Network Bandwidth Usage (receive/transmit KB/s)</li>
+<li>Network Status (tcp_curr_estab/tcp_tw/tcp_alloc/sockets_used/udp_inuse)</li>
+<li>File fd Allocated</li>
+</ul>
+<p>The following is how it looks when we monitor Linux:</p>
+<p><img src="monitoring-screen-shot1.png" alt=""></p>
+<p><img src="monitoring-screen-shot2.png" alt=""></p>
+<h2 id="how-to-use">How to use</h2>
+<p>To enable this feature, we need to install Prometheus Node Exporter and OpenTelemetry Collector and activate the VM monitoring rules in SkyWalking OAP Server.</p>
+<h3 id="install-prometheus-node-exporter">Install Prometheus Node Exporter</h3>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">wget https://github.com/prometheus/node_exporter/releases/download/v1.0.1/node_exporter-1.0.1.linux-amd64.tar.gz
+tar xvfz node_exporter-1.0.1.linux-amd64.tar.gz
+cd node_exporter-1.0.1.linux-amd64
+./node_exporter
+</code></pre></div><p>In linux Node Exporter exposes metrics on port <code>9100</code> by default. When it is running, we can get the metrics from the <code>/metrics</code> endpoint. Use a web browser or command <code>curl</code> to verify.</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">curl http://localhost:9100/metrics
+</code></pre></div><p>We should see all the metrics from the output like:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell"><span style="color:#75715e"># HELP go_gc_duration_seconds A summary of the pause duration of garbage collection cycles.</span>
+<span style="color:#75715e"># TYPE go_gc_duration_seconds summary</span>
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0&#34;</span><span style="color:#f92672">}</span> 7.7777e-05
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.25&#34;</span><span style="color:#f92672">}</span> 0.000113756
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.5&#34;</span><span style="color:#f92672">}</span> 0.000127199
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;0.75&#34;</span><span style="color:#f92672">}</span> 0.000147778
+go_gc_duration_seconds<span style="color:#f92672">{</span>quantile<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;1&#34;</span><span style="color:#f92672">}</span> 0.000371894
+go_gc_duration_seconds_sum 0.292994058
+go_gc_duration_seconds_count <span style="color:#ae81ff">2029</span>
+...
+</code></pre></div><p>Note: We only need to install Node Exporter, rather than Prometheus server.
+If you want to get more information about Prometheus Node Exporter see: <a href="https://prometheus.io/docs/guides/node-exporter/">https://prometheus.io/docs/guides/node-exporter/</a></p>
+<h3 id="install-opentelemetry-collector">Install OpenTelemetry Collector</h3>
+<p>We can quickly install a OpenTelemetry Collector instance by using <code>docker-compose</code> with the following steps:</p>
+<ol>
+<li>Create a directory to store the configuration files, like <code>/usr/local/otel</code>.</li>
+<li>Create <code>docker-compose.yaml</code> and <code>otel-collector-config.yaml</code> in this directory represented below:</li>
+</ol>
+<p><code>docker-compose.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">version</span>: <span style="color:#e6db74">&#34;2&#34;</span>
+<span style="color:#66d9ef">services</span>:
+ <span style="color:#75715e"># Collector</span>
+ <span style="color:#66d9ef">otel-collector</span>:
+ <span style="color:#75715e"># Specify the image to start the container from</span>
+ <span style="color:#66d9ef">image</span>: otel/opentelemetry-collector:<span style="color:#ae81ff">0.19.0</span>
+ <span style="color:#75715e"># Set the otel-collector configfile </span>
+ <span style="color:#66d9ef">command</span>: [<span style="color:#e6db74">&#34;--config=/etc/otel-collector-config.yaml&#34;</span>]
+ <span style="color:#75715e"># Mapping the configfile to host directory</span>
+ <span style="color:#66d9ef">volumes</span>:
+ - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
+ <span style="color:#66d9ef">ports</span>:
+ - <span style="color:#e6db74">&#34;13133:13133&#34;</span> <span style="color:#75715e"># health_check extension</span>
+ - <span style="color:#e6db74">&#34;55678&#34;</span> <span style="color:#75715e"># OpenCensus receiver</span>
+</code></pre></div><p><code>otel-collector-config.yaml</code></p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-yaml" data-lang="yaml"><span style="color:#66d9ef">extensions</span>:
+ <span style="color:#66d9ef">health_check</span>:
+<span style="color:#75715e"># A receiver is how data gets into the OpenTelemetry Collector</span>
+<span style="color:#66d9ef">receivers</span>:
+ <span style="color:#75715e"># Set Prometheus Receiver to collects metrics from targets</span>
+ <span style="color:#75715e"># It’s supports the full set of Prometheus configuration</span>
+ <span style="color:#66d9ef">prometheus</span>:
+ <span style="color:#66d9ef">config</span>:
+ <span style="color:#66d9ef">scrape_configs</span>:
+ - <span style="color:#66d9ef">job_name</span>: <span style="color:#e6db74">&#39;otel-collector&#39;</span>
+ <span style="color:#66d9ef">scrape_interval</span>: 10s
+ <span style="color:#66d9ef">static_configs</span>:
+ <span style="color:#75715e"># Replace the IP to your VMs‘s IP which has installed Node Exporter</span>
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm1:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ <span style="color:#e6db74">&#39;vm2:9100&#39;</span> ]
+ - <span style="color:#66d9ef">targets</span>: [ ‘vm3:<span style="color:#ae81ff">9100</span>&#39; ]
+
+<span style="color:#66d9ef">processors</span>:
+ <span style="color:#66d9ef">batch</span>:
+
+<span style="color:#75715e"># An exporter is how data gets sent to different systems/back-ends</span>
+<span style="color:#66d9ef">exporters</span>:
+ <span style="color:#75715e"># Exports metrics via gRPC using OpenCensus format</span>
+ <span style="color:#66d9ef">opencensus</span>:
+ <span style="color:#66d9ef">endpoint</span>: <span style="color:#e6db74">&#34;docker.for.mac.host.internal:11800&#34;</span> <span style="color:#75715e"># The OAP Server address</span>
+ <span style="color:#66d9ef">insecure</span>: <span style="color:#66d9ef">true</span>
+ <span style="color:#66d9ef">logging</span>:
+ <span style="color:#66d9ef">logLevel</span>: debug
+
+<span style="color:#66d9ef">service</span>:
+ <span style="color:#66d9ef">pipelines</span>:
+ <span style="color:#66d9ef">metrics</span>:
+ <span style="color:#66d9ef">receivers</span>: [prometheus]
+ <span style="color:#66d9ef">processors</span>: [batch]
+ <span style="color:#66d9ef">exporters</span>: [logging, opencensus]
+
+ <span style="color:#66d9ef">extensions</span>: [health_check]
+</code></pre></div><ol start="3">
+<li>In this directory use command <code>docker-compose</code> to start up the container:</li>
+</ol>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">docker-compose up -d
+</code></pre></div><p>After the container is up and running, you should see metrics already exported in the logs:</p>
+<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-shell" data-lang="shell">...
+Metric <span style="color:#75715e">#165</span>
+Descriptor:
+-&gt; Name: node_network_receive_compressed_total
+-&gt; Description: Network device statistic receive_compressed.
+-&gt; Unit:
+-&gt; DataType: DoubleSum
+-&gt; IsMonotonic: true
+-&gt; AggregationTemporality: AGGREGATION_TEMPORALITY_CUMULATIVE
+DoubleDataPoints <span style="color:#75715e">#0</span>
+Data point labels:
+-&gt; device: ens4
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+DoubleDataPoints <span style="color:#75715e">#1</span>
+Data point labels:
+-&gt; device: lo
+StartTime: <span style="color:#ae81ff">1612234754364000000</span>
+Timestamp: <span style="color:#ae81ff">1612235563448000000</span>
+Value: 0.000000
+...
+</code></pre></div><p>If you want to get more information about OpenTelemetry Collector see: <a href="https://opentelemetry.io/docs/collector/">https://opentelemetry.io/docs/collector/</a></p>
+<h3 id="set-up-skywalking-oap-server">Set up SkyWalking OAP Server</h3>
+<p>To activate the oc handler and vm relevant rules, set your environment variables:</p>
+<pre><code>SW_OTEL_RECEIVER=default
+SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm
+</code></pre><p>Note: If there are other rules already activated , you can add vm with use <code>,</code> as a separator.</p>
+<pre><code>SW_OTEL_RECEIVER_ENABLED_OC_RULES=vm,oap
+</code></pre><p>Start the SkyWalking OAP Server.</p>
+<h3 id="done">Done!</h3>
+<p>After all of the above steps are completed, check out the SkyWalking WebUI. Dashboard <code>VM</code> provides the default metrics of all observed virtual machines.
+Note: Clear the browser local cache if you used it to access deployments of previous SkyWalking versions.</p>
+<p><img src="monitoring-screen-shot3.png" alt=""></p>
+<h2 id="additional-resources">Additional Resources</h2>
+<ul>
+<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>
+
+ </description>
+ </item>
+
+ </channel>
+</rss>
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new file mode 100644
index 0000000..fbd9698
--- /dev/null
+++ b/tags/infrastructure-monitoring/page/1/index.html
@@ -0,0 +1 @@
+<!DOCTYPE html><html><head><title>/tags/infrastructure-monitoring/</title><link rel="canonical" href="/tags/infrastructure-monitoring/"/><meta name="robots" content="noindex"><meta charset="utf-8" /><meta http-equiv="refresh" content="0; url=/tags/infrastructure-monitoring/" /></head></html>
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diff --git a/tags/java/index.html b/tags/java/index.html
index b9c8011..c725810 100644
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<meta property="og:url" content="/tags/java/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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diff --git a/tags/kafka/index.html b/tags/kafka/index.html
index 2b2aa4a..c2652f4 100644
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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diff --git a/tags/logs/index.html b/tags/logs/index.html
index 17fdc72..870b76d 100644
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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index 4b78e27..4a2d750 100644
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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+
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index 47df580..cf23962 100644
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<meta property="og:url" content="/tags/release-blog/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<meta itemprop="name" content="关于 ElastiSsearch 因 basic 认证导致 SkyWalking 无法正常调用接口问题">
<meta itemprop="description" content="ElasticSearch basic 验证。">
<meta itemprop="datePublished" content="2019-01-02T00:00:00+00:00" />
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index ba98950..1aad3c0 100644
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<meta itemprop="name" content="更容易理解将要到来的分布式链路追踪 6.0GA (翻译)">
<meta itemprop="description" content="在当前的微服务架构中分布式链路追踪是很有必要的一部分，但是对于一些用户来说如何去理解和使用分布式链路追踪的相关数据是不清楚的。这个博客概述了典型的分布式跟踪用例，以及 Skywalking 的 V6 版本中新的可视化功能。我们希望新的用户通过这些示例来更好的理解。">
<meta itemprop="datePublished" content="2019-01-02T00:00:00+00:00" />
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diff --git a/zh/2019-01-03-monitor-microservice/index.html b/zh/2019-01-03-monitor-microservice/index.html
index 4ede064..37fb4ea 100644
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<meta itemprop="description" content="微服务框架落地后，分布式部署架构带来的问题就会迅速凸显出来。服务之间的相互调用过程中，如果业务出现错误或者异常，如何快速定位问题？如何跟踪业务调用链路？如何分析解决业务瓶颈？本文我们来看看如何解决以上问题。">
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index 7bb7a40..d8cd531 100644
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<meta itemprop="name" content="SkyWalking Java 插件贡献实践">
<meta itemprop="description" content="本文将基于SkyWalking 6.0.0-GA-SNAPSHOT版本，以编写Redis客户端Lettuce的SkyWalking Java Agent 插件为例，与大家分享我贡献PR的过程，希望对大家了解SkyWalking Java Agent插件有所帮助。">
<meta itemprop="datePublished" content="2019-01-21T00:00:00+00:00" />
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<meta itemprop="name" content="SkyWalking的远程调试">
<meta itemprop="description" content="远程调试的目的是为了解决代码或者说程序包部署在服务器上运行，只能通过log来查看问题，以及不能跟在本地IDE运行debug那样查找问题，观看程序运行流程...">
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<meta itemprop="name" content="APM巅峰对决：SkyWalking P.K. Pinpoint">
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diff --git a/zh/2019-03-29-introduction-of-skywalking-and-simple-practice/index.html b/zh/2019-03-29-introduction-of-skywalking-and-simple-practice/index.html
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<meta itemprop="description" content="在为公司进行调用链跟踪系统进行技术选型的过程中，详细的了解了一下Skywalking，同时也进行了初步的实践，给其他同样在了解Skywalking的同学提供一些参考。">
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<meta itemprop="name" content="使用 chart 部署 SkyWalking">
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<meta itemprop="name" content="SkyWalking 使用 ElasticSearch 存储的优化">
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diff --git a/zh/2020-03-23-using-profiling-to-fix-the-blind-spot-of-distributed-tracing/index.html b/zh/2020-03-23-using-profiling-to-fix-the-blind-spot-of-distributed-tracing/index.html
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<meta itemprop="name" content="在线代码级性能剖析，补全分布式追踪的最后一块“短板”">
<meta itemprop="description" content="在本文中，我们详细介绍了代码级的性能剖析方法，以及我们在 Apache SkyWalking 中的实践。希望能够帮助大家在线定位系统性能短板，缓解系统压力。">
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<meta itemprop="description" content="从 0 开始入门 SkyWalking，搭建 SkyWalking 服务，并接入 Java 项目中实现分布式链路追踪。">
<meta itemprop="datePublished" content="2020-04-19T00:00:00+00:00" />
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index 720b217..60cc17e 100644
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<meta itemprop="name" content="SkyWalking 支持云原生网络代理 MOSN 做分布式追踪">
<meta itemprop="description" content="日前，观察性分析平台和应用性能管理系统 SkyWalking 完成了与云原生网络代理 MOSN 的集成，作为 MOSN 中的支持的分布式追踪系统之一，旨在实现在微服务和 Service Mesh 中的更强大的可观察性。">
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
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<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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index 4f31b2a..83e2e68 100644
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -289,6 +289,11 @@ if (!doNotTrack) {
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index 511189a..5549f18 100644
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<meta property="og:url" content="/zh_tags/open-source-contribution/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -335,6 +335,11 @@ if (!doNotTrack) {
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index 2ef5be6..d370498 100644
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<meta itemprop="description" content="">
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index 7f435dd..66b8366 100644
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<meta property="og:url" content="/zh_tags/profiling/" />
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<meta itemprop="name" content="Profiling">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -252,6 +252,11 @@ if (!doNotTrack) {
</li>
<li>
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diff --git a/zh_tags/release-blog/index.html b/zh_tags/release-blog/index.html
index e6efc6a..57e358e 100644
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<meta property="og:url" content="/zh_tags/release-blog/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -296,6 +296,11 @@ if (!doNotTrack) {
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<li>
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diff --git a/zh_tags/service-mesh/index.html b/zh_tags/service-mesh/index.html
index 5682d24..4c7b1fd 100644
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<meta property="og:url" content="/zh_tags/service-mesh/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -246,6 +246,11 @@ if (!doNotTrack) {
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<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
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index 258e88d..3512894 100644
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<meta property="og:url" content="/zh_tags/source-code/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -248,6 +248,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
+ </li>
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+ <li>
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<span class="count">1</span>
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index 0f314e2..d07e365 100644
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<meta property="og:url" content="/zh_tags/tracing/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -285,6 +285,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
+ <span class="count">1</span>
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+ <li>
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index 387925c..5230680 100644
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<meta property="og:url" content="/zh_tags/use-case/" />
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<meta itemprop="name" content="Use Case">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -302,6 +302,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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+ <li>
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index d6a40fa..a538287 100644
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<meta property="og:url" content="/zh_tags/user-manual/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -511,6 +511,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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+ <li>
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index 51c5c0c..7901c4e 100644
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<meta property="og:url" content="/zh_tags/user-manual/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -321,6 +321,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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index 2007b02..f3b643a 100644
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<meta property="og:url" content="/zh_tags/video/" />
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<meta itemprop="name" content="Video">
<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -362,6 +362,11 @@ if (!doNotTrack) {
</li>
<li>
+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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index ff0d1bf..cdc0d32 100644
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<meta property="og:url" content="/zh_tags/web-ui/" />
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<meta itemprop="description" content="">
<meta name="twitter:card" content="summary"/>
@@ -248,6 +248,11 @@ if (!doNotTrack) {
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+ <a href="/tags/infrastructure-monitoring/" class="tag-link">Infrastructure Monitoring</a>
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