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Add notes for 2017-10-26
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@ -159,3 +159,30 @@ http://library.cgiar.org/browse?value=Intellectual%20Assets%20Reports&type=subje
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- Re-deploy CGSpace from latest `5_x-prod` (adds ISI Journal to search filters and adds Discovery index for CGIAR Library `systemsubject`)
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- Deploy nginx redirect fixes to catch CGIAR Library browse links (redirect to their community and translate subject→systemsubject)
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- Run migration of CGSpace server (linode18) for Linode security alert, which took 42 minutes of downtime
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## 2017-10-26
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- In the last 24 hours we've gotten a few alerts from Linode that there was high CPU and outgoing traffic on CGSpace
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- Uptime Robot even noticed CGSpace go "down" for a few minutes
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- In other news, I was trying to look at a question about stats raised by Magdalena and then CGSpace went down due to SQL connection pool
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- Looking at the PostgreSQL activity I see there are 93 connections, but after a minute or two they went down and CGSpace came back up
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- Annnd I reloaded the Atmire Usage Stats module and the connections shot back up and CGSpace went down again
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- Still not sure where the load is coming from right now, but it's clear why there were so many alerts yesterday on the 25th!
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```
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# grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-25 | sort -n | uniq | wc -l
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18022
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```
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- Compared to other days there were two or three times the number of requests yesterday!
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```
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# grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-23 | sort -n | uniq | wc -l
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3141
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# grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-26 | sort -n | uniq | wc -l
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7851
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```
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- I still have no idea what was causing the load to go up today
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- I finally investigated Magdalena's issue with the item download stats and now I can't reproduce it: I get the same number of downloads reported in the stats widget on the item page, the "Most Popular Items" page, and in Usage Stats
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- I think it might have been an issue with the statistics not being fresh
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@ -28,7 +28,7 @@ Add Katherine Lutz to the groups for content sumission and edit steps of the CGI
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<meta property="article:published_time" content="2017-10-01T08:07:54+03:00"/>
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<meta property="article:modified_time" content="2017-10-22T23:51:48+03:00"/>
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<meta property="article:modified_time" content="2017-10-23T09:58:33+03:00"/>
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@ -66,9 +66,9 @@ Add Katherine Lutz to the groups for content sumission and edit steps of the CGI
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"@type": "BlogPosting",
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"headline": "October, 2017",
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"url": "https://alanorth.github.io/cgspace-notes/2017-10/",
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"wordCount": "1194",
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"wordCount": "1451",
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"datePublished": "2017-10-01T08:07:54+03:00",
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"dateModified": "2017-10-22T23:51:48+03:00",
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"dateModified": "2017-10-23T09:58:33+03:00",
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"author": {
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"@type": "Person",
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"name": "Alan Orth"
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@ -318,6 +318,37 @@ Add Katherine Lutz to the groups for content sumission and edit steps of the CGI
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<li>Run migration of CGSpace server (linode18) for Linode security alert, which took 42 minutes of downtime</li>
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</ul>
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<h2 id="2017-10-26">2017-10-26</h2>
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<ul>
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<li>In the last 24 hours we’ve gotten a few alerts from Linode that there was high CPU and outgoing traffic on CGSpace</li>
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<li>Uptime Robot even noticed CGSpace go “down” for a few minutes</li>
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<li>In other news, I was trying to look at a question about stats raised by Magdalena and then CGSpace went down due to SQL connection pool</li>
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<li>Looking at the PostgreSQL activity I see there are 93 connections, but after a minute or two they went down and CGSpace came back up</li>
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<li>Annnd I reloaded the Atmire Usage Stats module and the connections shot back up and CGSpace went down again</li>
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<li>Still not sure where the load is coming from right now, but it’s clear why there were so many alerts yesterday on the 25th!</li>
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</ul>
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<pre><code># grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-25 | sort -n | uniq | wc -l
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18022
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</code></pre>
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<ul>
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<li>Compared to other days there were two or three times the number of requests yesterday!</li>
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</ul>
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<pre><code># grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-23 | sort -n | uniq | wc -l
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3141
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# grep -o -E 'session_id=[A-Z0-9]{32}' dspace.log.2017-10-26 | sort -n | uniq | wc -l
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7851
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</code></pre>
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<ul>
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<li>I still have no idea what was causing the load to go up today</li>
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<li>I finally investigated Magdalena’s issue with the item download stats and now I can’t reproduce it: I get the same number of downloads reported in the stats widget on the item page, the “Most Popular Items” page, and in Usage Stats</li>
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<li>I think it might have been an issue with the statistics not being fresh</li>
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</ul>
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@ -28,7 +28,7 @@ Disallow: /cgspace-notes/2015-12/
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Disallow: /cgspace-notes/2015-11/
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Disallow: /cgspace-notes/
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Disallow: /cgspace-notes/categories/
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Disallow: /cgspace-notes/tags/notes/
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Disallow: /cgspace-notes/categories/notes/
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Disallow: /cgspace-notes/tags/notes/
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Disallow: /cgspace-notes/post/
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Disallow: /cgspace-notes/tags/
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@ -4,7 +4,7 @@
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/2017-10/</loc>
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<lastmod>2017-10-22T23:51:48+03:00</lastmod>
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<lastmod>2017-10-23T09:58:33+03:00</lastmod>
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</url>
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<url>
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@ -129,7 +129,7 @@
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/</loc>
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<lastmod>2017-10-22T23:51:48+03:00</lastmod>
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<lastmod>2017-10-23T09:58:33+03:00</lastmod>
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<priority>0</priority>
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</url>
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@ -138,27 +138,27 @@
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<priority>0</priority>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
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<lastmod>2017-10-22T23:51:48+03:00</lastmod>
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<priority>0</priority>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/categories/notes/</loc>
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<lastmod>2017-09-28T12:00:49+03:00</lastmod>
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<priority>0</priority>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
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<lastmod>2017-10-23T09:58:33+03:00</lastmod>
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<priority>0</priority>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/post/</loc>
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<lastmod>2017-10-22T23:51:48+03:00</lastmod>
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<lastmod>2017-10-23T09:58:33+03:00</lastmod>
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<priority>0</priority>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
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<lastmod>2017-10-22T23:51:48+03:00</lastmod>
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<lastmod>2017-10-23T09:58:33+03:00</lastmod>
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<priority>0</priority>
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</url>
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