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<header class="blog-header">
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<div class="container">
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<h1 class="blog-title"><a href="https://alanorth.github.io/cgspace-notes/" rel="home">CGSpace Notes</a></h1>
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<p class="lead blog-description">Documenting day-to-day work on the <a href="https://cgspace.cgiar.org">CGSpace</a> repository.</p>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2019-02/">February, 2019</a></h2>
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<p class="blog-post-meta"><time datetime="2019-02-01T21:37:30+02:00">Fri Feb 01, 2019</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2019-02-01">2019-02-01</h2>
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<ul>
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<li>Linode has alerted a few times since last night that the CPU usage on CGSpace (linode18) was high despite me increasing the alert threshold last week from 250% to 275%—I might need to increase it again!</li>
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<li>The top IPs before, during, and after this latest alert tonight were:</li>
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</ul>
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<pre><code># zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "01/Feb/2019:(17|18|19|20|21)" | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
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245 207.46.13.5
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332 54.70.40.11
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385 5.143.231.38
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405 207.46.13.173
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405 207.46.13.75
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1117 66.249.66.219
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1121 35.237.175.180
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1546 5.9.6.51
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2474 45.5.186.2
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5490 85.25.237.71
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</code></pre>
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<ul>
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<li><code>85.25.237.71</code> is the “Linguee Bot” that I first saw last month</li>
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<li>The Solr statistics the past few months have been very high and I was wondering if the web server logs also showed an increase</li>
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<li>There were just over 3 million accesses in the nginx logs last month:</li>
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</ul>
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<pre><code># time zcat --force /var/log/nginx/* | grep -cE "[0-9]{1,2}/Jan/2019"
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3018243
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real 0m19.873s
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user 0m22.203s
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sys 0m1.979s
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</code></pre>
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<a href='https://alanorth.github.io/cgspace-notes/2019-02/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2019-01/">January, 2019</a></h2>
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<p class="blog-post-meta"><time datetime="2019-01-02T09:48:30+02:00">Wed Jan 02, 2019</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2019-01-02">2019-01-02</h2>
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<ul>
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<li>Linode alerted that CGSpace (linode18) had a higher outbound traffic rate than normal early this morning</li>
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<li>I don’t see anything interesting in the web server logs around that time though:</li>
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</ul>
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<pre><code># zcat --force /var/log/nginx/*.log /var/log/nginx/*.log.1 | grep -E "02/Jan/2019:0(1|2|3)" | awk '{print $1}' | sort | uniq -c | sort -n | tail -n 10
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92 40.77.167.4
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99 210.7.29.100
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120 38.126.157.45
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177 35.237.175.180
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177 40.77.167.32
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216 66.249.75.219
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225 18.203.76.93
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261 46.101.86.248
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357 207.46.13.1
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903 54.70.40.11
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</code></pre>
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<a href='https://alanorth.github.io/cgspace-notes/2019-01/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-12/">December, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-12-02T02:09:30+02:00">Sun Dec 02, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-12-01">2018-12-01</h2>
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<ul>
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<li>Switch CGSpace (linode18) to use OpenJDK instead of Oracle JDK</li>
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<li>I manually installed OpenJDK, then removed Oracle JDK, then re-ran the <a href="http://github.com/ilri/rmg-ansible-public">Ansible playbook</a> to update all configuration files, etc</li>
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<li>Then I ran all system updates and restarted the server</li>
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</ul>
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<h2 id="2018-12-02">2018-12-02</h2>
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<ul>
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<li>I noticed that there is another issue with PDF thumbnails on CGSpace, and I see there was another <a href="https://usn.ubuntu.com/3831-1/">Ghostscript vulnerability last week</a></li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-12/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-11/">November, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-11-01T16:41:30+02:00">Thu Nov 01, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-11-01">2018-11-01</h2>
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<ul>
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<li>Finalize AReS Phase I and Phase II ToRs</li>
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<li>Send a note about my <a href="https://github.com/ilri/dspace-statistics-api">dspace-statistics-api</a> to the dspace-tech mailing list</li>
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</ul>
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<h2 id="2018-11-03">2018-11-03</h2>
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<ul>
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<li>Linode has been sending mails a few times a day recently that CGSpace (linode18) has had high CPU usage</li>
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<li>Today these are the top 10 IPs:</li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-11/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-10/">October, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-10-01T22:31:54+03:00">Mon Oct 01, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-10-01">2018-10-01</h2>
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<ul>
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<li>Phil Thornton got an ORCID identifier so we need to add it to the list on CGSpace and tag his existing items</li>
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<li>I created a GitHub issue to track this <a href="https://github.com/ilri/DSpace/issues/389">#389</a>, because I’m super busy in Nairobi right now</li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-10/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-09/">September, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-09-02T09:55:54+03:00">Sun Sep 02, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-09-02">2018-09-02</h2>
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<ul>
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<li>New <a href="https://jdbc.postgresql.org/documentation/changelog.html#version_42.2.5">PostgreSQL JDBC driver version 42.2.5</a></li>
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<li>I’ll update the DSpace role in our <a href="https://github.com/ilri/rmg-ansible-public">Ansible infrastructure playbooks</a> and run the updated playbooks on CGSpace and DSpace Test</li>
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<li>Also, I’ll re-run the <code>postgresql</code> tasks because the custom PostgreSQL variables are dynamic according to the system’s RAM, and we never re-ran them after migrating to larger Linodes last month</li>
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<li>I’m testing the new DSpace 5.8 branch in my Ubuntu 18.04 environment and I’m getting those autowire errors in Tomcat 8.5.30 again:</li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-09/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-08/">August, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-08-01T11:52:54+03:00">Wed Aug 01, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-08-01">2018-08-01</h2>
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<ul>
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<li>DSpace Test had crashed at some point yesterday morning and I see the following in <code>dmesg</code>:</li>
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</ul>
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<pre><code>[Tue Jul 31 00:00:41 2018] Out of memory: Kill process 1394 (java) score 668 or sacrifice child
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[Tue Jul 31 00:00:41 2018] Killed process 1394 (java) total-vm:15601860kB, anon-rss:5355528kB, file-rss:0kB, shmem-rss:0kB
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[Tue Jul 31 00:00:41 2018] oom_reaper: reaped process 1394 (java), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
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</code></pre>
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<ul>
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<li>Judging from the time of the crash it was probably related to the Discovery indexing that starts at midnight</li>
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<li>From the DSpace log I see that eventually Solr stopped responding, so I guess the <code>java</code> process that was OOM killed above was Tomcat’s</li>
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<li>I’m not sure why Tomcat didn’t crash with an OutOfMemoryError…</li>
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<li>Anyways, perhaps I should increase the JVM heap from 5120m to 6144m like we did a few months ago when we tried to run the whole CGSpace Solr core</li>
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<li>The server only has 8GB of RAM so we’ll eventually need to upgrade to a larger one because we’ll start starving the OS, PostgreSQL, and command line batch processes</li>
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<li>I ran all system updates on DSpace Test and rebooted it</li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-08/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-07/">July, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-07-01T12:56:54+03:00">Sun Jul 01, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-07-01">2018-07-01</h2>
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<ul>
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<li>I want to upgrade DSpace Test to DSpace 5.8 so I took a backup of its current database just in case:</li>
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</ul>
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<pre><code>$ pg_dump -b -v -o --format=custom -U dspace -f dspace-2018-07-01.backup dspace
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</code></pre>
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<ul>
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<li>During the <code>mvn package</code> stage on the 5.8 branch I kept getting issues with java running out of memory:</li>
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</ul>
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<pre><code>There is insufficient memory for the Java Runtime Environment to continue.
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</code></pre>
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<a href='https://alanorth.github.io/cgspace-notes/2018-07/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-06/">June, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-06-04T19:49:54-07:00">Mon Jun 04, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-06-04">2018-06-04</h2>
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<ul>
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<li>Test the <a href="https://tracker.atmire.com/tickets-cgiar-ilri/view-ticket?id=560">DSpace 5.8 module upgrades from Atmire</a> (<a href="https://github.com/ilri/DSpace/pull/378">#378</a>)
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<ul>
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<li>There seems to be a problem with the CUA and L&R versions in <code>pom.xml</code> because they are using SNAPSHOT and it doesn’t build</li>
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</ul></li>
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<li>I added the new CCAFS Phase II Project Tag <code>PII-FP1_PACCA2</code> and merged it into the <code>5_x-prod</code> branch (<a href="https://github.com/ilri/DSpace/pull/379">#379</a>)</li>
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<li>I proofed and tested the ILRI author corrections that Peter sent back to me this week:</li>
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</ul>
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<pre><code>$ ./fix-metadata-values.py -i /tmp/2018-05-30-Correct-660-authors.csv -db dspace -u dspace -p 'fuuu' -f dc.contributor.author -t correct -m 3 -n
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</code></pre>
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<ul>
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<li>I think a sane proofing workflow in OpenRefine is to apply the custom text facets for check/delete/remove and illegal characters that I developed in <a href="/cgspace-notes/2018-03/">March, 2018</a></li>
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<li>Time to index ~70,000 items on CGSpace:</li>
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</ul>
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<pre><code>$ time schedtool -D -e ionice -c2 -n7 nice -n19 [dspace]/bin/dspace index-discovery -b
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real 74m42.646s
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user 8m5.056s
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sys 2m7.289s
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</code></pre>
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<a href='https://alanorth.github.io/cgspace-notes/2018-06/'>Read more →</a>
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</article>
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<article class="blog-post">
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<header>
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<h2 class="blog-post-title"><a href="https://alanorth.github.io/cgspace-notes/2018-05/">May, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-05-01T16:43:54+03:00">Tue May 01, 2018</time> by Alan Orth in
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<i class="fa fa-tag" aria-hidden="true"></i> <a href="/cgspace-notes/tags/notes" rel="tag">Notes</a>
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</p>
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</header>
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<h2 id="2018-05-01">2018-05-01</h2>
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<ul>
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<li>I cleared the Solr statistics core on DSpace Test by issuing two commands directly to the Solr admin interface:
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<ul>
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<li><a href="http://localhost:3000/solr/statistics/update?stream.body=%3Cdelete%3E%3Cquery%3E*:*%3C/query%3E%3C/delete%3E">http://localhost:3000/solr/statistics/update?stream.body=%3Cdelete%3E%3Cquery%3E*:*%3C/query%3E%3C/delete%3E</a></li>
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<li><a href="http://localhost:3000/solr/statistics/update?stream.body=%3Ccommit/%3E">http://localhost:3000/solr/statistics/update?stream.body=%3Ccommit/%3E</a></li>
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</ul></li>
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<li>Then I reduced the JVM heap size from 6144 back to 5120m</li>
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<li>Also, I switched it to use OpenJDK instead of Oracle Java, as well as re-worked the <a href="https://github.com/ilri/rmg-ansible-public">Ansible infrastructure scripts</a> to support hosts choosing which distribution they want to use</li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-05/'>Read more →</a>
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<li><a href="/cgspace-notes/2019-02/">February, 2019</a></li>
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<li><a href="/cgspace-notes/2019-01/">January, 2019</a></li>
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<li><a href="/cgspace-notes/2018-12/">December, 2018</a></li>
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<li><a href="/cgspace-notes/2018-11/">November, 2018</a></li>
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