diff --git a/content/post/2017-12.md b/content/post/2017-12.md
index 56ccc711c..4112e5916 100644
--- a/content/post/2017-12.md
+++ b/content/post/2017-12.md
@@ -85,9 +85,14 @@ $ grep 2.86.122.76 /home/cgspace.cgiar.org/log/dspace.log.2017-12-01 | grep -o -
 ## 2017-12-04
 
 - Linode alerted that CGSpace's load was 255.5% from 8 to 10 AM again
-- I looked at the Munin stats again to see how the PostgreSQL tweaks from a few weeks ago were holding up:
+- I looked at the Munin stats on DSpace Test (linode02) again to see how the PostgreSQL tweaks from a few weeks ago were holding up:
 
-![PostgreSQL connections month](/cgspace-notes/2017/12/postgres-connections-month.png)
+![DSpace Test PostgreSQL connections month](/cgspace-notes/2017/12/postgres-connections-month.png)
 
 - The results look fantastic! So the `random_page_cost` tweak is massively important for informing the PostgreSQL scheduler that there is no "cost" to accessing random pages, as we're on an SSD!
 - I guess we could probably even reduce the PostgreSQL connections in DSpace / PostgreSQL after using this
+- Run system updates on DSpace Test (linode02) and reboot it
+- I'm going to enable the PostgreSQL `random_page_cost` tweak on CGSpace
+- For reference, here is the past month's connections:
+
+![CGSpace PostgreSQL connections month](/cgspace-notes/2017/12/postgres-connections-month-cgspace.png)
diff --git a/public/2017-12/index.html b/public/2017-12/index.html
index b6ed7f38c..4130ac31b 100644
--- a/public/2017-12/index.html
+++ b/public/2017-12/index.html
@@ -23,7 +23,7 @@ The list of connections to XMLUI and REST API for today:
 
 <meta property="article:published_time" content="2017-12-01T13:53:54&#43;03:00"/>
 
-<meta property="article:modified_time" content="2017-12-04T15:37:58&#43;03:00"/>
+<meta property="article:modified_time" content="2017-12-04T15:39:52&#43;03:00"/>
 
 
 
@@ -56,9 +56,9 @@ The list of connections to XMLUI and REST API for today:
   "@type": "BlogPosting",
   "headline": "December, 2017",
   "url": "https://alanorth.github.io/cgspace-notes/2017-12/",
-  "wordCount": "418",
+  "wordCount": "450",
   "datePublished": "2017-12-01T13:53:54&#43;03:00",
-  "dateModified": "2017-12-04T15:37:58&#43;03:00",
+  "dateModified": "2017-12-04T15:39:52&#43;03:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -210,16 +210,21 @@ The list of connections to XMLUI and REST API for today:
 
 <ul>
 <li>Linode alerted that CGSpace&rsquo;s load was 255.5% from 8 to 10 AM again</li>
-<li>I looked at the Munin stats again to see how the PostgreSQL tweaks from a few weeks ago were holding up:</li>
+<li>I looked at the Munin stats on DSpace Test (linode02) again to see how the PostgreSQL tweaks from a few weeks ago were holding up:</li>
 </ul>
 
-<p><img src="/cgspace-notes/2017/12/postgres-connections-month.png" alt="PostgreSQL connections month" /></p>
+<p><img src="/cgspace-notes/2017/12/postgres-connections-month.png" alt="DSpace Test PostgreSQL connections month" /></p>
 
 <ul>
 <li>The results look fantastic! So the <code>random_page_cost</code> tweak is massively important for informing the PostgreSQL scheduler that there is no &ldquo;cost&rdquo; to accessing random pages, as we&rsquo;re on an SSD!</li>
 <li>I guess we could probably even reduce the PostgreSQL connections in DSpace / PostgreSQL after using this</li>
+<li>Run system updates on DSpace Test (linode02) and reboot it</li>
+<li>I&rsquo;m going to enable the PostgreSQL <code>random_page_cost</code> tweak on CGSpace</li>
+<li>For reference, here is the past month&rsquo;s connections:</li>
 </ul>
 
+<p><img src="/cgspace-notes/2017/12/postgres-connections-month-cgspace.png" alt="CGSpace PostgreSQL connections month" /></p>
+
   
 
   
diff --git a/public/2017/12/postgres-connections-month-cgspace.png b/public/2017/12/postgres-connections-month-cgspace.png
new file mode 100644
index 000000000..27602b450
Binary files /dev/null and b/public/2017/12/postgres-connections-month-cgspace.png differ
diff --git a/public/sitemap.xml b/public/sitemap.xml
index 8214723fb..dca793222 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -4,7 +4,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2017-12/</loc>
-    <lastmod>2017-12-04T15:37:58+03:00</lastmod>
+    <lastmod>2017-12-04T15:39:52+03:00</lastmod>
   </url>
   
   <url>
@@ -139,7 +139,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2017-12-04T15:37:58+03:00</lastmod>
+    <lastmod>2017-12-04T15:39:52+03:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -150,7 +150,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
-    <lastmod>2017-12-04T15:37:58+03:00</lastmod>
+    <lastmod>2017-12-04T15:39:52+03:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -162,13 +162,13 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/post/</loc>
-    <lastmod>2017-12-04T15:37:58+03:00</lastmod>
+    <lastmod>2017-12-04T15:39:52+03:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
-    <lastmod>2017-12-04T15:37:58+03:00</lastmod>
+    <lastmod>2017-12-04T15:39:52+03:00</lastmod>
     <priority>0</priority>
   </url>
   
diff --git a/static/2017/12/postgres-connections-month-cgspace.png b/static/2017/12/postgres-connections-month-cgspace.png
new file mode 100644
index 000000000..27602b450
Binary files /dev/null and b/static/2017/12/postgres-connections-month-cgspace.png differ