From c1ba3ae8bdf3368047162bbc5953e3cce6821919 Mon Sep 17 00:00:00 2001
From: Alan Orth <alan.orth@gmail.com>
Date: Thu, 25 Jan 2018 15:53:24 +0200
Subject: [PATCH] Update notes for 2018-01-25

---
 content/post/2018-01.md   | 27 +++++++++++++++++++++++++++
 public/2018-01/index.html | 38 +++++++++++++++++++++++++++++++++++---
 public/sitemap.xml        | 10 +++++-----
 3 files changed, 67 insertions(+), 8 deletions(-)

diff --git a/content/post/2018-01.md b/content/post/2018-01.md
index e9d8fcdf6..87a88a275 100644
--- a/content/post/2018-01.md
+++ b/content/post/2018-01.md
@@ -1114,3 +1114,30 @@ $ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.j
 $ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-24-linode5451120-baseline2.jtl -j ~/dspace-performance-test/2018-01-24-linode5451120-baseline2.log
 $ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-24-linode5451120-baseline3.jtl -j ~/dspace-performance-test/2018-01-24-linode5451120-baseline3.log
 ```
+
+- Then I generated reports for these runs like this:
+
+```
+$ jmeter -g 2018-01-24-linode5451120-baseline.jtl -o 2018-01-24-linode5451120-baseline
+```
+
+## 2018-01-25
+
+- Run another round of tests on DSpace Test with jmeter after changing Tomcat's `minSpareThreads` to 20 (default is 10) and `acceptorThreadCount` to 2 (default is 1):
+
+```
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads2.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads2.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads3.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads3.log
+```
+
+- I changed the parameters back to the baseline ones and switched the Tomcat JVM garbage collector to G1GC and re-ran the tests
+- JVM options for Tomcat changed from `-Xms3072m -Xmx3072m -XX:+UseConcMarkSweepGC` to `-Xms3072m -Xmx3072m -XX:+UseG1GC -XX:+PerfDisableSharedMem`
+
+```
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc2.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc2.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc3.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc3.log
+```
+
+- I haven't had time to look at the results yet
diff --git a/public/2018-01/index.html b/public/2018-01/index.html
index 4006dca68..4e4244ef7 100644
--- a/public/2018-01/index.html
+++ b/public/2018-01/index.html
@@ -92,7 +92,7 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
 
 <meta property="article:published_time" content="2018-01-02T08:35:54-08:00"/>
 
-<meta property="article:modified_time" content="2018-01-23T18:08:57&#43;02:00"/>
+<meta property="article:modified_time" content="2018-01-24T17:12:47&#43;02:00"/>
 
 
 
@@ -194,9 +194,9 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
   "@type": "BlogPosting",
   "headline": "January, 2018",
   "url": "https://alanorth.github.io/cgspace-notes/2018-01/",
-  "wordCount": "6355",
+  "wordCount": "6497",
   "datePublished": "2018-01-02T08:35:54-08:00",
-  "dateModified": "2018-01-23T18:08:57&#43;02:00",
+  "dateModified": "2018-01-24T17:12:47&#43;02:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -1488,6 +1488,38 @@ $ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.j
 $ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-24-linode5451120-baseline3.jtl -j ~/dspace-performance-test/2018-01-24-linode5451120-baseline3.log
 </code></pre>
 
+<ul>
+<li>Then I generated reports for these runs like this:</li>
+</ul>
+
+<pre><code>$ jmeter -g 2018-01-24-linode5451120-baseline.jtl -o 2018-01-24-linode5451120-baseline
+</code></pre>
+
+<h2 id="2018-01-25">2018-01-25</h2>
+
+<ul>
+<li>Run another round of tests on DSpace Test with jmeter after changing Tomcat&rsquo;s <code>minSpareThreads</code> to 20 (default is 10) and <code>acceptorThreadCount</code> to 2 (default is 1):</li>
+</ul>
+
+<pre><code>$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads2.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads2.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads3.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-tomcat-threads3.log
+</code></pre>
+
+<ul>
+<li>I changed the parameters back to the baseline ones and switched the Tomcat JVM garbage collector to G1GC and re-ran the tests</li>
+<li>JVM options for Tomcat changed from <code>-Xms3072m -Xmx3072m -XX:+UseConcMarkSweepGC</code> to <code>-Xms3072m -Xmx3072m -XX:+UseG1GC -XX:+PerfDisableSharedMem</code></li>
+</ul>
+
+<pre><code>$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc2.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc2.log
+$ ./jmeter -n -t ~/dspace-performance-test/DSpacePerfTest-dspacetest.cgiar.org.jmx -l ~/dspace-performance-test/2018-01-25-linode5451120-g1gc3.jtl -j ~/dspace-performance-test/2018-01-25-linode5451120-g1gc3.log
+</code></pre>
+
+<ul>
+<li>I haven&rsquo;t had time to look at the results yet</li>
+</ul>
+
   
 
   
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 69d728ae8..87633b477 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -4,7 +4,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2018-01/</loc>
-    <lastmod>2018-01-23T18:08:57+02:00</lastmod>
+    <lastmod>2018-01-24T17:12:47+02:00</lastmod>
   </url>
   
   <url>
@@ -144,7 +144,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2018-01-23T18:08:57+02:00</lastmod>
+    <lastmod>2018-01-24T17:12:47+02:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -155,7 +155,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
-    <lastmod>2018-01-23T18:08:57+02:00</lastmod>
+    <lastmod>2018-01-24T17:12:47+02:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -167,13 +167,13 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/post/</loc>
-    <lastmod>2018-01-23T18:08:57+02:00</lastmod>
+    <lastmod>2018-01-24T17:12:47+02:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
-    <lastmod>2018-01-23T18:08:57+02:00</lastmod>
+    <lastmod>2018-01-24T17:12:47+02:00</lastmod>
     <priority>0</priority>
   </url>