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<a class="nav-link " href="https://alanorth.github.io/cgspace-notes/">Home</a>
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<h1 class="blog-title" dir="auto"><a href="https://alanorth.github.io/cgspace-notes/" rel="home">CGSpace Notes</a></h1>
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<p class="lead blog-description" dir="auto">Documenting day-to-day work on the <a href="https://cgspace.cgiar.org">CGSpace</a> repository.</p>
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<header>
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<h2 class="blog-post-title" dir="auto"><a href="https://alanorth.github.io/cgspace-notes/cgspace-dspace6-upgrade/">CGSpace DSpace 6 Upgrade</a></h2>
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<p class="blog-post-meta">
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<time datetime="2020-11-15T13:27:35+02:00">Sun Nov 15, 2020</time>
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in
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<span class="fas fa-folder" aria-hidden="true"></span> <a href="/cgspace-notes/categories/notes/" rel="category tag">Notes</a>
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<span class="fas fa-tag" aria-hidden="true"></span> <a href="/cgspace-notes/tags/migration/" rel="tag">Migration</a>
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</p>
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</header>
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<p>Notes about the DSpace 6 upgrade on CGSpace in 2020-11.</p>
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<ul>
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<li><a href="#processing-solr-statistics-with-solr-upgrade-statistics-6x">Processing Solr Statistics With solr-upgrade-statistics-6x</a>
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<ul>
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<li><a href="#statistics">Current year’s statistics core</a></li>
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<li><a href="#statistics-2019">statistics-2019 core</a></li>
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<li><a href="#statistics-2018">statistics-2018 core</a></li>
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<li><a href="#statistics-2017">statistics-2017 core</a></li>
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<li><a href="#statistics-2016">statistics-2016 core</a></li>
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<li><a href="#statistics-2015">statistics-2015 core</a></li>
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<li><a href="#statistics-2014">statistics-2014 core</a></li>
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<li><a href="#statistics-2013">statistics-2013 core</a></li>
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</ul>
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</li>
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</ul>
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<h2 id="processing-solr-statistics-with-solr-upgrade-statistics-6x">Processing Solr Statistics With solr-upgrade-statistics-6x</h2>
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<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>
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<h3 id="statistics">statistics</h3>
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<p>First process the current year’s statistics core:</p>
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<pre><code class="language-console" data-lang="console">$ export JAVA_OPTS='-Dfile.encoding=UTF-8 -Xmx2048m'
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$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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3,817,407 Bistream View
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1,693,443 Item View
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105,974 Collection View
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62,383 Community View
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163,192 Community Search
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162,581 Collection Search
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470,288 Unexpected Type & Full Site
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--------------------------------------
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6,475,268 TOTAL
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=================================================================
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</code></pre><p>After several rounds of processing it finished. Here are some statistics about unmigrated documents:</p>
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<ul>
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<li>227,000: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>471,000: <code>id:/.+-unmigrated/</code></li>
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<li>698,000: <code>*:* NOT id:/.{36}/</code></li>
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<li>Majority are <code>type: 5</code> (aka SITE, according to <code>Constants.java</code>) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h3 id="statistics-2019">statistics-2019</h3>
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<p>Processing the statistics-2019 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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5,569,344 Bistream View
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2,179,105 Item View
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117,194 Community View
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104,091 Collection View
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774,138 Community Search
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568,347 Collection Search
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1,482,620 Unexpected Type & Full Site
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--------------------------------------
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10,794,839 TOTAL
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=================================================================
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</code></pre><p>After several rounds of processing it finished. Here are some statistics about unmigrated documents:</p>
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<ul>
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<li>2,690,309: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>1,494,587: <code>id:/.+-unmigrated/</code></li>
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<li>4,184,896: <code>*:* NOT id:/.{36}/</code></li>
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<li>4,172,929 are <code>type: 5</code> (aka SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2019/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h3 id="statistics-2018">statistics-2018</h3>
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<p>Processing the statistics-2018 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2018
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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3,561,532 Bistream View
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1,129,326 Item View
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97,401 Community View
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63,508 Collection View
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207,827 Community Search
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43,752 Collection Search
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457,820 Unexpected Type & Full Site
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--------------------------------------
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5,561,166 TOTAL
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=================================================================
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</code></pre><p>After some time I got an error about Java heap space so I increased the JVM memory and restarted processing:</p>
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<pre><code class="language-console" data-lang="console">$ export JAVA_OPTS='-Dfile.encoding=UTF-8 -Xmx4096m'
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$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2018
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</code></pre><p>Eventually the processing finished. Here are some statistics about unmigrated documents:</p>
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<ul>
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<li>365,473: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>546,955: <code>id:/.+-unmigrated/</code></li>
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<li>923,158: <code>*:* NOT id:/.{36}/</code></li>
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<li>823,293: are <code>type: 5</code> so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2018/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h2 id="statistics-2017">statistics-2017</h2>
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<p>Processing the statistics-2017 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2017
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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2,529,208 Bistream View
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1,618,717 Item View
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144,945 Community View
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74,249 Collection View
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479,647 Community Search
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114,658 Collection Search
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852,215 Unexpected Type & Full Site
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--------------------------------------
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5,813,639 TOTAL
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=================================================================
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</code></pre><p>Eventually the processing finished. Here are some statistics about unmigrated documents:</p>
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<ul>
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<li>808,309: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>893,868: <code>id:/.+-unmigrated/</code></li>
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<li>1,702,177: <code>*:* NOT id:/.{36}/</code></li>
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<li>1,660,524 are <code>type: 5</code> (SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2017/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h3 id="statistics-2016">statistics-2016</h3>
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<p>Processing the statistics-2016 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2016
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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1,765,924 Bistream View
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1,151,575 Item View
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187,110 Community View
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51,204 Collection View
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347,382 Community Search
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66,605 Collection Search
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620,298 Unexpected Type & Full Site
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--------------------------------------
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4,190,098 TOTAL
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=================================================================
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</code></pre><ul>
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<li>849,408: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>627,747: <code>id:/.+-unmigrated/</code></li>
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<li>1,477,155: <code>*:* NOT id:/.{36}/</code></li>
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<li>1,469,706 are <code>type: 5</code> (SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2016/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h3 id="statistics-2015">statistics-2015</h3>
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<p>Processing the statistics-2015 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2015
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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990,916 Bistream View
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506,070 Item View
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116,153 Community View
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33,282 Collection View
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21,062 Community Search
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10,788 Collection Search
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52,107 Unexpected Type & Full Site
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--------------------------------------
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1,730,378 TOTAL
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=================================================================
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</code></pre><p>Summary of stats after processing:</p>
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<ul>
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<li>195,293: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>67,146: <code>id:/.+-unmigrated/</code></li>
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<li>262,439: <code>*:* NOT id:/.{36}/</code></li>
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<li>247,400 are <code>type: 5</code> (SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2015/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h2 id="statistics-2014">statistics-2014</h2>
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<p>Processing the statistics-2014 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2014
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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2,381,603 Item View
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1,323,357 Bistream View
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501,545 Community View
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247,805 Collection View
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250 Collection Search
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188 Community Search
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50 Item Search
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10,918 Unexpected Type & Full Site
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--------------------------------------
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4,465,716 TOTAL
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=================================================================
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</code></pre><p>Summary of unmigrated documents after processing:</p>
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<ul>
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<li>182,131: <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>39,947: <code>id:/.+-unmigrated/</code></li>
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<li>222,078: <code>*:* NOT id:/.{36}/</code></li>
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<li>188,791 are <code>type: 5</code> (SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2014/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre><h2 id="statistics-2013">statistics-2013</h2>
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<p>Processing the statistics-2013 core:</p>
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<pre><code class="language-console" data-lang="console">$ chrt -b 0 dspace solr-upgrade-statistics-6x -n 2500000 -i statistics-2013
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...
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=================================================================
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*** Statistics Records with Legacy Id ***
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2,352,124 Item View
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1,117,676 Bistream View
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575,711 Community View
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171,639 Collection View
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248 Item Search
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7 Collection Search
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5 Community Search
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1,452 Unexpected Type & Full Site
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--------------------------------------
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4,218,862 TOTAL
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=================================================================
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</code></pre><p>Summary of unmigrated docs after processing:</p>
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<ul>
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<li>2,548 : <code>(*:* NOT id:/.{36}/) AND (*:* NOT id:/.+-unmigrated/)</code></li>
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<li>29,772: <code>id:/.+-unmigrated/</code></li>
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<li>32,320: <code>*:* NOT id:/.{36}/</code></li>
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<li>15,691 are <code>type: 5</code> (SITE) so we can purge them:</li>
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</ul>
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<pre><code class="language-console" data-lang="console">$ curl -s "http://localhost:8081/solr/statistics-2013/update?softCommit=true" -H "Content-Type: text/xml" --data-binary "<delete><query>*:* NOT id:/.{36}/</query></delete>"
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</code></pre>
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</article>
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<h4>Recent Posts</h4>
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<ol class="list-unstyled">
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<li><a href="/cgspace-notes/cgspace-dspace6-upgrade/">CGSpace DSpace 6 Upgrade</a></li>
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<li><a href="/cgspace-notes/2020-11/">November, 2020</a></li>
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<li><a href="/cgspace-notes/2020-10/">October, 2020</a></li>
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<li><a href="/cgspace-notes/2020-09/">September, 2020</a></li>
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<li><a href="/cgspace-notes/2020-08/">August, 2020</a></li>
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</section>
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<section class="sidebar-module">
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<h4>Links</h4>
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<ol class="list-unstyled">
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<li><a href="https://cgspace.cgiar.org">CGSpace</a></li>
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<li><a href="https://dspacetest.cgiar.org">DSpace Test</a></li>
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<li><a href="https://github.com/ilri/DSpace">CGSpace @ GitHub</a></li>
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