diff --git a/content/posts/2020-01.md b/content/posts/2020-01.md
index 8e3909eb0..c50881974 100644
--- a/content/posts/2020-01.md
+++ b/content/posts/2020-01.md
@@ -219,4 +219,30 @@ $ wc -l hung-nguyen-a*handles.txt
 - Comparing the lists of items, I see that nine of the ten missing items were added less than twenty-four hours ago, and the other was added last week, so they apparently just haven't been indexed yet
   - I am curious to check tomorrow to see if they are there
 
+## 2020-01-23
+
+- I checked AReS and I see that there are now 55 items for author "Hung Nguyen-Viet" 
+- Linode sent an alert that the outbound traffic rate of CGSpace (linode18) was high for several hours this morning around 5AM UTC+1
+  - I checked the nginx logs this morning for the few hours before and after that using goaccess:
+
+```
+# cat /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "23/Jan/2020:0[12345678]" | goaccess --log-format=COMBINED -
+```
+
+- The top two hosts according to the amount of data transferred are:
+  - 2a01:7e00::f03c:91ff:fe9a:3a37
+  - 2a01:7e00::f03c:91ff:fe18:7396
+- Both are on Linode, and appear to be the new and old ilri.org servers
+ - I will ask the web team
+  - Judging from the [ILRI publications site](https://www.ilri.org/publications/trade-offs-related-agricultural-use-antimicrobials-and-synergies-emanating-efforts) it seems they are downloading the PDFs so they can generate higher-quality thumbnails:
+  - They are apparently using this Drupal module to generate the thumbnails: `sites/all/modules/contrib/pdf_to_imagefield`
+  - I see some excellent suggestions in this [ImageMagick thread from 2012](https://www.imagemagick.org/discourse-server/viewtopic.php?t=21589) that lead me to some nice thumbnails (default PDF density is 72, so supersample to 4X and then resize back to 25%) as well as [this blog post](https://duncanlock.net/blog/2013/11/18/how-to-create-thumbnails-for-pdfs-with-imagemagick-on-linux/):
+
+```
+$ convert -density 288 -filter lagrange -thumbnail 25% -background white -alpha remove -sampling-factor 1:1 -colorspace sRGB 10568-97925.pdf\[0\] 10568-97925.jpg
+```
+
+- Here I'm also explicitly setting the background to white and removing any alpha layers, but I could probably also just keep using `-flatten` like DSpace already does
+- I wonder if I could hack this into DSpace code to get better thumbnails...
+
 <!-- vim: set sw=2 ts=2: -->
diff --git a/docs/2020-01/index.html b/docs/2020-01/index.html
index 45be6d635..cd9269f86 100644
--- a/docs/2020-01/index.html
+++ b/docs/2020-01/index.html
@@ -29,7 +29,7 @@ I tweeted the CGSpace repository link
 <meta property="og:type" content="article" />
 <meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2020-01/" />
 <meta property="article:published_time" content="2020-01-06T10:48:30+02:00" />
-<meta property="article:modified_time" content="2020-01-22T10:35:46+02:00" />
+<meta property="article:modified_time" content="2020-01-22T14:16:08+02:00" />
 
 <meta name="twitter:card" content="summary"/>
 <meta name="twitter:title" content="January, 2020"/>
@@ -63,9 +63,9 @@ I tweeted the CGSpace repository link
   "@type": "BlogPosting",
   "headline": "January, 2020",
   "url": "https:\/\/alanorth.github.io\/cgspace-notes\/2020-01\/",
-  "wordCount": "1674",
+  "wordCount": "1905",
   "datePublished": "2020-01-06T10:48:30+02:00",
-  "dateModified": "2020-01-22T10:35:46+02:00",
+  "dateModified": "2020-01-22T14:16:08+02:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -357,6 +357,34 @@ $ wc -l hung-nguyen-a*handles.txt
 </ul>
 </li>
 </ul>
+<h2 id="2020-01-23">2020-01-23</h2>
+<ul>
+<li>I checked AReS and I see that there are now 55 items for author &ldquo;Hung Nguyen-Viet&rdquo;</li>
+<li>Linode sent an alert that the outbound traffic rate of CGSpace (linode18) was high for several hours this morning around 5AM UTC+1
+<ul>
+<li>I checked the nginx logs this morning for the few hours before and after that using goaccess:</li>
+</ul>
+</li>
+</ul>
+<pre><code># cat /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E &quot;23/Jan/2020:0[12345678]&quot; | goaccess --log-format=COMBINED -
+</code></pre><ul>
+<li>The top two hosts according to the amount of data transferred are:
+<ul>
+<li>2a01:7e00::f03c:91ff:fe9a:3a37</li>
+<li>2a01:7e00::f03c:91ff:fe18:7396</li>
+</ul>
+</li>
+<li>Both are on Linode, and appear to be the new and old ilri.org servers</li>
+<li>I will ask the web team</li>
+<li>Judging from the <a href="https://www.ilri.org/publications/trade-offs-related-agricultural-use-antimicrobials-and-synergies-emanating-efforts">ILRI publications site</a> it seems they are downloading the PDFs so they can generate higher-quality thumbnails:</li>
+<li>They are apparently using this Drupal module to generate the thumbnails: <code>sites/all/modules/contrib/pdf_to_imagefield</code></li>
+<li>I see some excellent suggestions in this <a href="https://www.imagemagick.org/discourse-server/viewtopic.php?t=21589">ImageMagick thread from 2012</a> that lead me to some nice thumbnails (default PDF density is 72, so supersample to 4X and then resize back to 25%) as well as <a href="https://duncanlock.net/blog/2013/11/18/how-to-create-thumbnails-for-pdfs-with-imagemagick-on-linux/">this blog post</a>:</li>
+</ul>
+<pre><code>$ convert -density 288 -filter lagrange -thumbnail 25% -background white -alpha remove -sampling-factor 1:1 -colorspace sRGB 10568-97925.pdf\[0\] 10568-97925.jpg
+</code></pre><ul>
+<li>Here I'm also explicitly setting the background to white and removing any alpha layers, but I could probably also just keep using <code>-flatten</code> like DSpace already does</li>
+<li>I wonder if I could hack this into DSpace code to get better thumbnails&hellip;</li>
+</ul>
 <!-- raw HTML omitted -->
 
   
diff --git a/docs/sitemap.xml b/docs/sitemap.xml
index 5ed9a1f90..0e7b23b10 100644
--- a/docs/sitemap.xml
+++ b/docs/sitemap.xml
@@ -4,27 +4,27 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/categories/</loc>
-    <lastmod>2020-01-22T10:35:46+02:00</lastmod>
+    <lastmod>2020-01-22T14:16:08+02:00</lastmod>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2020-01-22T10:35:46+02:00</lastmod>
+    <lastmod>2020-01-22T14:16:08+02:00</lastmod>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2020-01/</loc>
-    <lastmod>2020-01-22T10:35:46+02:00</lastmod>
+    <lastmod>2020-01-22T14:16:08+02:00</lastmod>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/categories/notes/</loc>
-    <lastmod>2020-01-22T10:35:46+02:00</lastmod>
+    <lastmod>2020-01-22T14:16:08+02:00</lastmod>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/posts/</loc>
-    <lastmod>2020-01-22T10:35:46+02:00</lastmod>
+    <lastmod>2020-01-22T14:16:08+02:00</lastmod>
   </url>
   
   <url>