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Add notes for 2019-09-01
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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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@ -347,98 +377,6 @@ sys 2m7.289s
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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/2018-01/">January, 2018</a></h2>
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<p class="blog-post-meta"><time datetime="2018-01-02T08:35:54-08:00">Tue Jan 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="2018-01-02">2018-01-02</h2>
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<ul>
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<li>Uptime Robot noticed that CGSpace went down and up a few times last night, for a few minutes each time</li>
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<li>I didn’t get any load alerts from Linode and the REST and XMLUI logs don’t show anything out of the ordinary</li>
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<li>The nginx logs show HTTP 200s until <code>02/Jan/2018:11:27:17 +0000</code> when Uptime Robot got an HTTP 500</li>
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<li>In dspace.log around that time I see many errors like “Client closed the connection before file download was complete”</li>
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<li><p>And just before that I see this:</p>
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<pre><code>Caused by: org.apache.tomcat.jdbc.pool.PoolExhaustedException: [http-bio-127.0.0.1-8443-exec-980] Timeout: Pool empty. Unable to fetch a connection in 5 seconds, none available[size:50; busy:50; idle:0; lastwait:5000].
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</code></pre></li>
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<li><p>Ah hah! So the pool was actually empty!</p></li>
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<li><p>I need to increase that, let’s try to bump it up from 50 to 75</p></li>
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<li><p>After that one client got an HTTP 499 but then the rest were HTTP 200, so I don’t know what the hell Uptime Robot saw</p></li>
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<li><p>I notice this error quite a few times in dspace.log:</p>
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<pre><code>2018-01-02 01:21:19,137 ERROR org.dspace.app.xmlui.aspect.discovery.SidebarFacetsTransformer @ Error while searching for sidebar facets
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org.dspace.discovery.SearchServiceException: org.apache.solr.search.SyntaxError: Cannot parse 'dateIssued_keyword:[1976+TO+1979]': Encountered " "]" "] "" at line 1, column 32.
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</code></pre></li>
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<li><p>And there are many of these errors every day for the past month:</p>
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<pre><code>$ grep -c "Error while searching for sidebar facets" dspace.log.*
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dspace.log.2017-11-21:4
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dspace.log.2017-11-22:1
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dspace.log.2017-11-23:4
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dspace.log.2017-11-24:11
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dspace.log.2017-11-25:0
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dspace.log.2017-11-26:1
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dspace.log.2017-11-27:7
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dspace.log.2017-11-28:21
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dspace.log.2017-11-29:31
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dspace.log.2017-11-30:15
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dspace.log.2017-12-01:15
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dspace.log.2017-12-02:20
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dspace.log.2017-12-03:38
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dspace.log.2017-12-04:65
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dspace.log.2017-12-05:43
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dspace.log.2017-12-06:72
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dspace.log.2017-12-07:27
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dspace.log.2017-12-08:15
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dspace.log.2017-12-09:29
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dspace.log.2017-12-10:35
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dspace.log.2017-12-11:20
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dspace.log.2017-12-12:44
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dspace.log.2017-12-13:36
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dspace.log.2017-12-14:59
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dspace.log.2017-12-15:104
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dspace.log.2017-12-16:53
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dspace.log.2017-12-17:66
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dspace.log.2017-12-18:83
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dspace.log.2017-12-19:101
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dspace.log.2017-12-20:74
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dspace.log.2017-12-21:55
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dspace.log.2017-12-22:66
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dspace.log.2017-12-23:50
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dspace.log.2017-12-24:85
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dspace.log.2017-12-25:62
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dspace.log.2017-12-26:49
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dspace.log.2017-12-27:30
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dspace.log.2017-12-28:54
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dspace.log.2017-12-29:68
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dspace.log.2017-12-30:89
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dspace.log.2017-12-31:53
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dspace.log.2018-01-01:45
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dspace.log.2018-01-02:34
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</code></pre></li>
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<li><p>Danny wrote to ask for help renewing the wildcard ilri.org certificate and I advised that we should probably use Let’s Encrypt if it’s just a handful of domains</p></li>
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</ul>
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<a href='https://alanorth.github.io/cgspace-notes/2018-01/'>Read more →</a>
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</article>
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<nav class="blog-pagination">
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<a class="btn btn-outline-primary" href="/cgspace-notes/categories/" rel="prev" role="button">Previous page</a>
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@ -463,16 +401,16 @@ dspace.log.2018-01-02:34
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<ol class="list-unstyled">
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<li><a href="/cgspace-notes/2019-08/">August, 2019</a></li>
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<li><a href="/cgspace-notes/posts/">Posts</a></li>
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<li><a href="/cgspace-notes/2019-09/">September, 2019</a></li>
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<li><a href="/cgspace-notes/2019-08/">August, 2019</a></li>
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<li><a href="/cgspace-notes/2019-07/">July, 2019</a></li>
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<li><a href="/cgspace-notes/2019-06/">June, 2019</a></li>
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<li><a href="/cgspace-notes/2019-05/">May, 2019</a></li>
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</ol>
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</section>
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