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DSpace Test had crashed at some point yesterday morning and I see the following in dmesg:
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[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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Judging from the time of the crash it was probably related to the Discovery indexing that starts at midnight
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From the DSpace log I see that eventually Solr stopped responding, so I guess the java process that was OOM killed above was Tomcat’s
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I’m not sure why Tomcat didn’t crash with an OutOfMemoryError…
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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
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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
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I ran all system updates on DSpace Test and rebooted it
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DSpace Test had crashed at some point yesterday morning and I see the following in dmesg:
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[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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Judging from the time of the crash it was probably related to the Discovery indexing that starts at midnight
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From the DSpace log I see that eventually Solr stopped responding, so I guess the java process that was OOM killed above was Tomcat’s
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I’m not sure why Tomcat didn’t crash with an OutOfMemoryError…
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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
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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
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I ran all system updates on DSpace Test and rebooted it
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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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<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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<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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<p></p>
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<ul>
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<li>I started looking over the latest round of IITA batch records from Sisay on DSpace Test: <a href="https://dspacetest.cgiar.org/handle/10568/103250">IITA July_30</a>
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<ul>
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<li>incorrect authorship types</li>
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<li>dozens of inconsistencies, spelling mistakes, and white space in author affiliations</li>
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<li>minor issues in countries (California is not a country)</li>
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<li>minor issues in IITA subjects, ISBNs, languages, and AGROVOC subjects</li>
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</ul></li>
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</ul>
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<h2 id="2018-08-02">2018-08-02</h2>
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<ul>
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<li>DSpace Test crashed again and I don’t see the only error I see is this in <code>dmesg</code>:</li>
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</ul>
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<pre><code>[Thu Aug 2 00:00:12 2018] Out of memory: Kill process 1407 (java) score 787 or sacrifice child
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[Thu Aug 2 00:00:12 2018] Killed process 1407 (java) total-vm:18876328kB, anon-rss:6323836kB, file-rss:0kB, shmem-rss:0kB
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</code></pre>
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<ul>
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<li>I am still assuming that this is the Tomcat process that is dying, so maybe actually we need to reduce its memory instead of increasing it?</li>
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<li>The risk we run there is that we’ll start getting OutOfMemory errors from Tomcat</li>
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<li>So basically we need a new test server with more RAM very soon…</li>
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<li>Abenet asked about the workflow statistics in the Atmire CUA module again</li>
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<li>Last year Atmire told me that it’s disabled by default but you can enable it with <code>workflow.stats.enabled = true</code> in the CUA configuration file</li>
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<li>There was a bug with adding users so they sent a patch, but I didn’t merge it because it was <a href="https://github.com/ilri/DSpace/pull/319">very dirty</a> and I wasn’t sure it actually fixed the problem</li>
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<li>I just tried to enable the stats again on DSpace Test now that we’re on DSpace 5.8 with updated Atmire modules, but every user I search for shows “No data available”</li>
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<li>As a test I submitted a new item and I was able to see it in the workflow statistics “data” tab, but not in the graph</li>
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</ul>
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<h2 id="2018-08-15">2018-08-15</h2>
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<ul>
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<li>Run through Peter’s list of author affiliations from earlier this month</li>
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<li>I did some quick sanity checks and small cleanups in Open Refine, checking for spaces, weird accents, and encoding errors</li>
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<li>Finally I did a test run with the <a href="https://gist.github.com/alanorth/df92cbfb54d762ba21b28f7cd83b6897"><code>fix-metadata-value.py</code></a> script:</li>
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</ul>
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<pre><code>$ ./fix-metadata-values.py -i 2018-08-15-Correct-1083-Affiliations.csv -db dspace -u dspace -p 'fuuu' -f cg.contributor.affiliation -t correct -m 211
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$ ./delete-metadata-values.py -i 2018-08-15-Remove-11-Affiliations.csv -db dspace -u dspace -p 'fuuu' -f cg.contributor.affiliation -m 211
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</code></pre>
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<h2 id="2018-08-16">2018-08-16</h2>
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<ul>
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<li>Generate a list of the top 1,500 authors on CGSpace for Sisay so he can create the controlled vocabulary:</li>
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</ul>
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<pre><code>dspace=# \copy (select distinct text_value, count(*) from metadatavalue where metadata_field_id = (select metadata_field_id from metadatafieldregistry where element = 'contributor' and qualifier = 'author') AND resource_type_id = 2 group by text_value order by count desc limit 1500) to /tmp/2018-08-16-top-1500-authors.csv with csv;
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</code></pre>
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<ul>
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<li>Start working on adding the ORCID metadata to a handful of CIAT authors as requested by Elizabeth earlier this month</li>
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<li>I might need to overhaul the <a href="https://gist.github.com/alanorth/a49d85cd9c5dea89cddbe809813a7050">add-orcid-identifiers-csv.py</a> script to be a little more robust about author order and ORCID metadata that might have been altered manually by editors after submission, as this script was written without that consideration</li>
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<li>After checking a few examples I see that checking only the <code>text_value</code> and <code>place</code> when adding ORCID fields is not enough anymore</li>
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<li>It was a sane assumption when I was initially migrating ORCID records from Solr to regular metadata, but now it seems that some authors might have been added or changed after item submission</li>
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<li>Now it is better to check if there is <em>any</em> existing ORCID identifier for a given author for the item…</li>
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<li>I will have to update my script to extract the ORCID identifier and search for that</li>
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<li>Re-create my local DSpace database using the latest PostgreSQL 9.6 Docker image and re-import the latest CGSpace dump:</li>
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</ul>
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<pre><code>$ sudo docker run --name dspacedb -e POSTGRES_PASSWORD=postgres -p 5432:5432 -d postgres:9.6-alpine
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$ createuser -h localhost -U postgres --pwprompt dspacetest
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$ createdb -h localhost -U postgres -O dspacetest --encoding=UNICODE dspacetest
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$ psql -h localhost -U postgres dspacetest -c 'alter user dspacetest superuser;'
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$ pg_restore -h localhost -U postgres -d dspacetest -O --role=dspacetest -h localhost ~/Downloads/cgspace_2018-08-16.backup
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$ psql -h localhost -U postgres dspacetest -c 'alter user dspacetest nosuperuser;'
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$ psql -h localhost -U postgres -f ~/src/git/DSpace/dspace/etc/postgres/update-sequences.sql dspacetest
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</code></pre>
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<h2 id="2018-08-19">2018-08-19</h2>
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<ul>
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<li>Keep working on the CIAT ORCID identifiers from Elizabeth</li>
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<li>In the spreadsheet she sent me there are some names with other versions in the database, so when it is obviously the same one (ie “Schultze-Kraft, Rainer” and “Schultze-Kraft, R.”) I will just tag them with ORCID identifiers too</li>
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<li>This is less obvious and more error prone with names like “Peters” where there are many more authors</li>
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<li>I see some errors in the variations of names as well, for example:</li>
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</ul>
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<pre><code>Verchot, Louis
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Verchot, L
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Verchot, L. V.
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Verchot, L.V
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Verchot, L.V.
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Verchot, LV
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Verchot, Louis V.
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</code></pre>
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<ul>
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<li>I’ll just tag them all with Louis Verchot’s ORCID identifier…</li>
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<li>In the end, I’ll run the following CSV with my <a href="https://gist.github.com/alanorth/a49d85cd9c5dea89cddbe809813a7050">add-orcid-identifiers-csv.py</a> script:</li>
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</ul>
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<pre><code>dc.contributor.author,cg.creator.id
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"Campbell, Bruce",Bruce M Campbell: 0000-0002-0123-4859
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"Campbell, Bruce M.",Bruce M Campbell: 0000-0002-0123-4859
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"Campbell, B.M",Bruce M Campbell: 0000-0002-0123-4859
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"Peters, Michael",Michael Peters: 0000-0003-4237-3916
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"Peters, M.",Michael Peters: 0000-0003-4237-3916
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"Peters, M.K.",Michael Peters: 0000-0003-4237-3916
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"Tamene, Lulseged",Lulseged Tamene: 0000-0002-3806-8890
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"Desta, Lulseged Tamene",Lulseged Tamene: 0000-0002-3806-8890
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"Läderach, Peter",Peter Läderach: 0000-0001-8708-6318
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"Lundy, Mark",Mark Lundy: 0000-0002-5241-3777
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"Schultze-Kraft, Rainer",Rainer Schultze-Kraft: 0000-0002-4563-0044
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"Schultze-Kraft, R.",Rainer Schultze-Kraft: 0000-0002-4563-0044
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"Verchot, Louis",Louis Verchot: 0000-0001-8309-6754
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"Verchot, L",Louis Verchot: 0000-0001-8309-6754
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"Verchot, L. V.",Louis Verchot: 0000-0001-8309-6754
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"Verchot, L.V",Louis Verchot: 0000-0001-8309-6754
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"Verchot, L.V.",Louis Verchot: 0000-0001-8309-6754
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"Verchot, LV",Louis Verchot: 0000-0001-8309-6754
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"Verchot, Louis V.",Louis Verchot: 0000-0001-8309-6754
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"Mukankusi, Clare",Clare Mukankusi: 0000-0001-7837-4545
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"Mukankusi, Clare M.",Clare Mukankusi: 0000-0001-7837-4545
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"Wyckhuys, Kris",Kris Wyckhuys: 0000-0003-0922-488X
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"Wyckhuys, Kris A. G.",Kris Wyckhuys: 0000-0003-0922-488X
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"Wyckhuys, Kris A.G.",Kris Wyckhuys: 0000-0003-0922-488X
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"Chirinda, Ngonidzashe",Ngonidzashe Chirinda: 0000-0002-4213-6294
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"Chirinda, Ngoni",Ngonidzashe Chirinda: 0000-0002-4213-6294
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"Ngonidzashe, Chirinda",Ngonidzashe Chirinda: 0000-0002-4213-6294
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</code></pre>
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<ul>
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<li>The invocation would be:</li>
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</ul>
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<pre><code>$ ./add-orcid-identifiers-csv.py -i 2018-08-16-ciat-orcid.csv -db dspace -u dspace -p 'fuuu'
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</code></pre>
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<ul>
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<li>I ran the script on DSpace Test and CGSpace and tagged a total of 986 ORCID identifiers</li>
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<li>Looking at the list of author affialitions from Peter one last time</li>
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<li>I notice that I should add the Unicode character 0x00b4 (`) to my list of invalid characters to look for in Open Refine, making the latest version of the GREL expression being:</li>
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</ul>
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<pre><code>or(
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isNotNull(value.match(/.*\uFFFD.*/)),
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isNotNull(value.match(/.*\u00A0.*/)),
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isNotNull(value.match(/.*\u200A.*/)),
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isNotNull(value.match(/.*\u2019.*/)),
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isNotNull(value.match(/.*\u00b4.*/))
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)
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</code></pre>
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<ul>
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<li>This character all by itself is indicative of encoding issues in French, Italian, and Spanish names, for example: De´veloppement and Investigacio´n</li>
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<li>I will run the following on DSpace Test and CGSpace:</li>
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</ul>
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<pre><code>$ ./fix-metadata-values.py -i /tmp/2018-08-15-Correct-1083-Affiliations.csv -db dspace -u dspace -p 'fuuu' -f cg.contributor.affiliation -t correct -m 211
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$ ./delete-metadata-values.py -i /tmp/2018-08-15-Remove-11-Affiliations.csv -db dspace -u dspace -p 'fuuu' -f cg.contributor.affiliation -m 211
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</code></pre>
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<ul>
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<li>Then force an update of the Discovery index on DSpace Test:</li>
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</ul>
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<pre><code>$ export JAVA_OPTS="-Dfile.encoding=UTF-8 -Xmx512m"
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$ time schedtool -D -e ionice -c2 -n7 nice -n19 dspace index-discovery -b
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real 72m12.570s
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user 6m45.305s
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sys 2m2.461s
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</code></pre>
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<ul>
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<li>And then on CGSpace:</li>
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</ul>
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<pre><code>$ export JAVA_OPTS="-Dfile.encoding=UTF-8 -Xmx1024m"
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$ time schedtool -D -e ionice -c2 -n7 nice -n19 dspace index-discovery -b
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real 79m44.392s
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user 8m50.730s
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sys 2m20.248s
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</code></pre>
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<ul>
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<li>Run system updates on DSpace Test and reboot the server</li>
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<li>In unrelated news, I see some newish Russian bot making a few thousand requests per day and not re-using its XMLUI session:</li>
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</ul>
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<pre><code># cat /var/log/nginx/access.log /var/log/nginx/access.log.1 | grep '19/Aug/2018' | grep -c 5.9.6.51
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1553
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# grep -c -E 'session_id=[A-Z0-9]{32}:ip_addr=5.9.6.51' dspace.log.2018-08-19
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1724
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</code></pre>
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<ul>
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<li>I don’t even know how its possible for the bot to use MORE sessions than total requests…</li>
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<li>The user agent is:</li>
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</ul>
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<pre><code>Mozilla/5.0 (compatible; MegaIndex.ru/2.0; +http://megaindex.com/crawler)
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</code></pre>
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<ul>
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<li>So I’m thinking we should add “crawl” to the Tomcat Crawler Session Manager valve, as we already have “bot” that catches Googlebot, Bingbot, etc.</li>
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</ul>
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<!-- vim: set sw=2 ts=2: -->
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||
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||
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||
</article>
|
||
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||
|
||
|
||
</div> <!-- /.blog-main -->
|
||
|
||
<aside class="col-sm-3 ml-auto blog-sidebar">
|
||
|
||
|
||
|
||
<section class="sidebar-module">
|
||
<h4>Recent Posts</h4>
|
||
<ol class="list-unstyled">
|
||
|
||
|
||
<li><a href="/cgspace-notes/2018-08/">August, 2018</a></li>
|
||
|
||
<li><a href="/cgspace-notes/2018-07/">July, 2018</a></li>
|
||
|
||
<li><a href="/cgspace-notes/2018-06/">June, 2018</a></li>
|
||
|
||
<li><a href="/cgspace-notes/2018-05/">May, 2018</a></li>
|
||
|
||
<li><a href="/cgspace-notes/2018-04/">April, 2018</a></li>
|
||
|
||
</ol>
|
||
</section>
|
||
|
||
|
||
|
||
|
||
<section class="sidebar-module">
|
||
<h4>Links</h4>
|
||
<ol class="list-unstyled">
|
||
|
||
<li><a href="https://cgspace.cgiar.org">CGSpace</a></li>
|
||
|
||
<li><a href="https://dspacetest.cgiar.org">DSpace Test</a></li>
|
||
|
||
<li><a href="https://github.com/ilri/DSpace">CGSpace @ GitHub</a></li>
|
||
|
||
</ol>
|
||
</section>
|
||
|
||
</aside>
|
||
|
||
|
||
</div> <!-- /.row -->
|
||
</div> <!-- /.container -->
|
||
|
||
|
||
|
||
<footer class="blog-footer">
|
||
<p>
|
||
|
||
Blog template created by <a href="https://twitter.com/mdo">@mdo</a>, ported to Hugo by <a href='https://twitter.com/mralanorth'>@mralanorth</a>.
|
||
|
||
</p>
|
||
<p>
|
||
<a href="#">Back to top</a>
|
||
</p>
|
||
</footer>
|
||
|
||
|
||
</body>
|
||
|
||
</html>
|