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  <header>
    <h2 class="blog-post-title" dir="auto"><a href="https://alanorth.github.io/cgspace-notes/cgspace-dspace6-upgrade/">CGSpace DSpace 6 Upgrade</a></h2>
    <p class="blog-post-meta">
<time datetime="2020-11-15T13:27:35+02:00">Sun Nov 15, 2020</time>
 in 
<span class="fas fa-folder" aria-hidden="true"></span>&nbsp;<a href="/cgspace-notes/categories/notes/" rel="category tag">Notes</a>


<span class="fas fa-tag" aria-hidden="true"></span>&nbsp;<a href="/cgspace-notes/tags/migration/" rel="tag">Migration</a>

</p>
  </header>
  <p>Notes about the DSpace 6 upgrade on CGSpace in 2020-11.</p>
<ul>
<li><a href="#re-import-oai-with-clean-index">Re-import OAI with clean index</a></li>
<li><a href="#processing-solr-statistics-with-solr-upgrade-statistics-6x">Processing Solr statistics with solr-upgrade-statistics-6x</a>
<ul>
<li><a href="#statistics">Current year&rsquo;s statistics core</a></li>
<li><a href="#statistics-2019">statistics-2019 core</a></li>
<li><a href="#statistics-2018">statistics-2018 core</a></li>
<li><a href="#statistics-2017">statistics-2017 core</a></li>
<li><a href="#statistics-2016">statistics-2016 core</a></li>
<li><a href="#statistics-2015">statistics-2015 core</a></li>
<li><a href="#statistics-2014">statistics-2014 core</a></li>
<li><a href="#statistics-2013">statistics-2013 core</a></li>
<li><a href="#statistics-2012">statistics-2013 core</a></li>
<li><a href="#statistics-2011">statistics-2013 core</a></li>
<li><a href="#statistics-2010">statistics-2013 core</a></li>
</ul>
</li>
<li><a href="processing-solr-statistics-with-atomicstatisticsupdatecli">Processing Solr statistics with AtomicStatisticsUpdateCLI</a></li>
</ul>
<h3 id="re-import-oai-with-clean-index">Re-import OAI with clean index</h3>
<p>After the upgrade is complete, re-index all items into OAI with a clean index:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ export JAVA_OPTS=&quot;-Dfile.encoding=UTF-8 -Xmx2048m&quot;
$ dspace oai -c import
</code></pre><p>The process ran out of memory several times so I had to keep trying again with more JVM heap memory.</p>
<h3 id="processing-solr-statistics-with-solr-upgrade-statistics-6x">Processing Solr Statistics With solr-upgrade-statistics-6x</h3>
<p>After the main upgrade process was finished and DSpace was running I started processing the Solr statistics with <code>solr-upgrade-statistics-6x</code> to migrate all IDs to UUIDs.</p>
<h2 id="statistics">statistics</h2>
<p>First process the current year&rsquo;s statistics core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ export JAVA_OPTS='-Dfile.encoding=UTF-8 -Xmx2048m'
$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics
...
=================================================================
        *** Statistics Records with Legacy Id ***

           3,817,407    Bistream View
           1,693,443    Item View
             105,974    Collection View
              62,383    Community View
             163,192    Community Search
             162,581    Collection Search
             470,288    Unexpected Type &amp; Full Site
        --------------------------------------
           6,475,268    TOTAL
=================================================================
</code></pre><p>After several rounds of processing it finished. Here are some statistics about unmigrated documents:</p>
<ul>
<li>227,000: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>471,000: <code>id:/.+-unmigrated/</code></li>
<li>698,000: <code>*:* NOT id:/.{36}/</code></li>
<li>Majority are <code>type: 5</code> (aka SITE, according to <code>Constants.java</code>) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2019">statistics-2019</h2>
<p>Processing the statistics-2019 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics
...
=================================================================
        *** Statistics Records with Legacy Id ***

           5,569,344    Bistream View
           2,179,105    Item View
             117,194    Community View
             104,091    Collection View
             774,138    Community Search
             568,347    Collection Search
           1,482,620    Unexpected Type &amp; Full Site
        --------------------------------------
          10,794,839    TOTAL
=================================================================
</code></pre><p>After several rounds of processing it finished. Here are some statistics about unmigrated documents:</p>
<ul>
<li>2,690,309: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>1,494,587: <code>id:/.+-unmigrated/</code></li>
<li>4,184,896: <code>*:* NOT id:/.{36}/</code></li>
<li>4,172,929 are <code>type: 5</code> (aka SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2019/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2018">statistics-2018</h2>
<p>Processing the statistics-2018 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2018
...
=================================================================
        *** Statistics Records with Legacy Id ***

           3,561,532    Bistream View
           1,129,326    Item View
              97,401    Community View
              63,508    Collection View
             207,827    Community Search
              43,752    Collection Search
             457,820    Unexpected Type &amp; Full Site
        --------------------------------------
           5,561,166    TOTAL
=================================================================
</code></pre><p>After some time I got an error about Java heap space so I increased the JVM memory and restarted processing:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ export JAVA_OPTS='-Dfile.encoding=UTF-8 -Xmx4096m'
$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2018
</code></pre><p>Eventually the processing finished. Here are some statistics about unmigrated documents:</p>
<ul>
<li>365,473: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>546,955: <code>id:/.+-unmigrated/</code></li>
<li>923,158: <code>*:* NOT id:/.{36}/</code></li>
<li>823,293: are <code>type: 5</code> so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2018/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2017">statistics-2017</h2>
<p>Processing the statistics-2017 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2017
...
=================================================================
        *** Statistics Records with Legacy Id ***

           2,529,208    Bistream View
           1,618,717    Item View
             144,945    Community View
              74,249    Collection View
             479,647    Community Search
             114,658    Collection Search
             852,215    Unexpected Type &amp; Full Site
        --------------------------------------
           5,813,639    TOTAL
=================================================================
</code></pre><p>Eventually the processing finished. Here are some statistics about unmigrated documents:</p>
<ul>
<li>808,309: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>893,868: <code>id:/.+-unmigrated/</code></li>
<li>1,702,177: <code>*:* NOT id:/.{36}/</code></li>
<li>1,660,524 are <code>type: 5</code> (SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2017/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2016">statistics-2016</h2>
<p>Processing the statistics-2016 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2016
...
=================================================================
        *** Statistics Records with Legacy Id ***

           1,765,924    Bistream View
           1,151,575    Item View
             187,110    Community View
              51,204    Collection View
             347,382    Community Search
              66,605    Collection Search
             620,298    Unexpected Type &amp; Full Site
        --------------------------------------
           4,190,098    TOTAL
=================================================================
</code></pre><ul>
<li>849,408: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>627,747: <code>id:/.+-unmigrated/</code></li>
<li>1,477,155: <code>*:* NOT id:/.{36}/</code></li>
<li>1,469,706 are <code>type: 5</code> (SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2016/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2015">statistics-2015</h2>
<p>Processing the statistics-2015 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2015
...
=================================================================
        *** Statistics Records with Legacy Id ***

             990,916    Bistream View
             506,070    Item View
             116,153    Community View
              33,282    Collection View
              21,062    Community Search
              10,788    Collection Search
              52,107    Unexpected Type &amp; Full Site
        --------------------------------------
           1,730,378    TOTAL
=================================================================
</code></pre><p>Summary of stats after processing:</p>
<ul>
<li>195,293: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>67,146: <code>id:/.+-unmigrated/</code></li>
<li>262,439: <code>*:* NOT id:/.{36}/</code></li>
<li>247,400 are <code>type: 5</code> (SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2015/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2014">statistics-2014</h2>
<p>Processing the statistics-2014 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2014
...
=================================================================
        *** Statistics Records with Legacy Id ***

           2,381,603    Item View
           1,323,357    Bistream View
             501,545    Community View
             247,805    Collection View
                 250    Collection Search
                 188    Community Search
                  50    Item Search
              10,918    Unexpected Type &amp; Full Site
        --------------------------------------
           4,465,716    TOTAL
=================================================================
</code></pre><p>Summary of unmigrated documents after processing:</p>
<ul>
<li>182,131: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>39,947: <code>id:/.+-unmigrated/</code></li>
<li>222,078: <code>*:* NOT id:/.{36}/</code></li>
<li>188,791 are <code>type: 5</code> (SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2014/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2013">statistics-2013</h2>
<p>Processing the statistics-2013 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2013
...
=================================================================
        *** Statistics Records with Legacy Id ***

           2,352,124    Item View
           1,117,676    Bistream View
             575,711    Community View
             171,639    Collection View
                 248    Item Search
                   7    Collection Search
                   5    Community Search
               1,452    Unexpected Type &amp; Full Site
        --------------------------------------
           4,218,862    TOTAL
=================================================================
</code></pre><p>Summary of unmigrated docs after processing:</p>
<ul>
<li>2,548 : <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>29,772: <code>id:/.+-unmigrated/</code></li>
<li>32,320: <code>*:* NOT id:/.{36}/</code></li>
<li>15,691 are <code>type: 5</code> (SITE) so we can purge them:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2013/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2012">statistics-2012</h2>
<p>Processing the statistics-2012 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2012
...
=================================================================
        *** Statistics Records with Legacy Id ***

           2,229,332    Item View
             913,577    Bistream View
             215,577    Collection View
             104,734    Community View
        --------------------------------------
           3,463,220    TOTAL
=================================================================
</code></pre><p>Summary of unmigrated docs after processing:</p>
<ul>
<li>0: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>33,161: <code>id:/.+-unmigrated/</code></li>
<li>33,161: <code>*:* NOT id:/.{36}/</code></li>
<li>33,161 are <code>type: 3</code> (COLLECTION), which is different than I&rsquo;ve seen previously&hellip; but I suppose I still have to purge them because there will be errors in the Atmire modules otherwise:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2012/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2011">statistics-2011</h2>
<p>Processing the statistics-2011 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2011
...
=================================================================
        *** Statistics Records with Legacy Id ***

             904,896    Item View
             385,789    Bistream View
             154,356    Collection View
              62,978    Community View
        --------------------------------------
           1,508,019    TOTAL
=================================================================
</code></pre><p>Summary of unmigrated docs after processing:</p>
<ul>
<li>0: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>17,551: <code>id:/.+-unmigrated/</code></li>
<li>17,551: <code>*:* NOT id:/.{36}/</code></li>
<li>12,116 are <code>type: 3</code> (COLLECTION), which is different than I&rsquo;ve seen previously&hellip; but I suppose I still have to purge them because there will be errors in the Atmire modules otherwise:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2011/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h2 id="statistics-2010">statistics-2010</h2>
<p>Processing the statistics-2010 core:</p>
<pre tabindex="0"><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2010
...
=================================================================
        *** Statistics Records with Legacy Id ***

              26,067    Item View
              15,615    Bistream View
               4,116    Collection View
               1,094    Community View
        --------------------------------------
              46,892    TOTAL
=================================================================
</code></pre><p>Summary of unmigrated docs after processing:</p>
<ul>
<li>0: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
<li>1,012: <code>id:/.+-unmigrated/</code></li>
<li>1,012: <code>*:* NOT id:/.{36}/</code></li>
<li>654 are <code>type: 3</code> (COLLECTION), which is different than I&rsquo;ve seen previously&hellip; but I suppose I still have to purge them because there will be errors in the Atmire modules otherwise:</li>
</ul>
<pre tabindex="0"><code class="language-console" data-lang="console">$ curl -s &quot;http://localhost:8081/solr/statistics-2010/update?softCommit=true&quot; -H &quot;Content-Type: text/xml&quot; --data-binary &quot;&lt;delete&gt;&lt;query&gt;*:* NOT id:/.{36}/&lt;/query&gt;&lt;/delete&gt;&quot;
</code></pre><h3 id="processing-solr-statistics-with-atomicstatisticsupdatecli">Processing Solr statistics with AtomicStatisticsUpdateCLI</h3>
<p>On 2020-11-18 I finished processing the Solr statistics with solr-upgrade-statistics-6x and I started processing them with AtomicStatisticsUpdateCLI.</p>
<h2 id="statistics-1">statistics</h2>
<p>First the current year&rsquo;s statistics core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics
</code></pre><p>It took ~38 hours to finish processing this core.</p>
<h2 id="statistics-2019-1">statistics-2019</h2>
<p>The statistics-2019 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2019
</code></pre><p>It took ~32 hours to finish processing this core.</p>
<h2 id="statistics-2018-1">statistics-2018</h2>
<p>The statistics-2018 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2018
</code></pre><p>It took ~28 hours to finish processing this core.</p>
<h2 id="statistics-2017-1">statistics-2017</h2>
<p>The statistics-2017 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2017
</code></pre><p>It took ~24 hours to finish processing this core.</p>
<h2 id="statistics-2016-1">statistics-2016</h2>
<p>The statistics-2016 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2016
</code></pre><p>It took ~20 hours to finish processing this core.</p>
<h2 id="statistics-2015-1">statistics-2015</h2>
<p>The statistics-2015 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2015
</code></pre><p>It took ~21 hours to finish processing this core.</p>
<h2 id="statistics-2014-1">statistics-2014</h2>
<p>The statistics-2014 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2014
</code></pre><p>It took ~12 hours to finish processing this core.</p>
<h2 id="statistics-2013-1">statistics-2013</h2>
<p>The statistics-2013 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2013
</code></pre><p>It took ~3 hours to finish processing this core.</p>
<h2 id="statistics-2012-1">statistics-2012</h2>
<p>The statistics-2012 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2012
</code></pre><p>It took ~2 hours to finish processing this core.</p>
<h2 id="statistics-2011-1">statistics-2011</h2>
<p>The statistics-2011 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2011
</code></pre><p>It took 1 hour to finish processing this core.</p>
<h2 id="statistics-2010-1">statistics-2010</h2>
<p>The statistics-2010 core, in 12-hour batches:</p>
<pre tabindex="0"><code>$ chrt -b 0 dspace dsrun com.atmire.statistics.util.update.atomic.AtomicStatisticsUpdateCLI -t 12 -c statistics-2010
</code></pre><p>It took five minutes to finish processing this core.</p>

  

  

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