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Update notes for 2019-04-08

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Alan Orth 2019-04-08 20:03:58 +03:00
parent 1829eb84f1
commit b97867a3db
Signed by: alanorth
GPG Key ID: 0FB860CC9C45B1B9
3 changed files with 23 additions and 8 deletions
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7
content/posts/2019-04.md
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@ -468,6 +468,13 @@ $ psql -c 'select * from pg_stat_activity' | grep -o -E '(dspaceWeb|dspaceApi|ds
250 dspaceWeb
```
- On a related note I see connection pool errors in the DSpace log:
```
2019-04-08 19:01:10,472 ERROR org.dspace.storage.rdbms.DatabaseManager @ SQL connection Error -
org.apache.tomcat.jdbc.pool.PoolExhaustedException: [http-bio-127.0.0.1-8443-exec-319] Timeout: Pool empty. Unable to fetch a connection in 5 seconds, none available[size:250; busy:250; idle:0; lastwait:5000].
```
- But still I see 10 to 30% CPU steal so I think it's probably a big factor
- Linode Support still didn't respond to my ticket from yesterday, so I attached a new output of `iostat 1 10` and asked them to move the VM to a less busy host
- The web server logs are not very busy:

14
docs/2019-04/index.html
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@ -38,7 +38,7 @@ $ ./delete-metadata-values.py -i /tmp/2019-02-21-delete-1-region.csv -db dspace
<meta property="og:type" content="article" />
<meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2019-04/" />
<meta property="article:published_time" content="2019-04-01T09:00:43&#43;03:00"/>
<meta property="article:modified_time" content="2019-04-08T19:55:20&#43;03:00"/>
<meta property="article:modified_time" content="2019-04-08T20:00:45&#43;03:00"/>
<meta name="twitter:card" content="summary"/>
<meta name="twitter:title" content="April, 2019"/>
@ -81,9 +81,9 @@ $ ./delete-metadata-values.py -i /tmp/2019-02-21-delete-1-region.csv -db dspace
"@type": "BlogPosting",
"headline": "April, 2019",
"url": "https://alanorth.github.io/cgspace-notes/2019-04/",
"wordCount": "2827",
"wordCount": "2867",
"datePublished": "2019-04-01T09:00:43&#43;03:00",
"dateModified": "2019-04-08T19:55:20&#43;03:00",
"dateModified": "2019-04-08T20:00:45&#43;03:00",
"author": {
"@type": "Person",
"name": "Alan Orth"
@ -707,6 +707,14 @@ $ ./fix-metadata-values.py -i /tmp/2019-04-08-fix-20-subject-apostrophes.csv -db
250 dspaceWeb
</code></pre>
<ul>
<li>On a related note I see connection pool errors in the DSpace log:</li>
</ul>
<pre><code>2019-04-08 19:01:10,472 ERROR org.dspace.storage.rdbms.DatabaseManager @ SQL connection Error -
org.apache.tomcat.jdbc.pool.PoolExhaustedException: [http-bio-127.0.0.1-8443-exec-319] Timeout: Pool empty. Unable to fetch a connection in 5 seconds, none available[size:250; busy:250; idle:0; lastwait:5000].
</code></pre>
<ul>
<li>But still I see 10 to 30% CPU steal so I think it&rsquo;s probably a big factor</li>
<li>Linode Support still didn&rsquo;t respond to my ticket from yesterday, so I attached a new output of <code>iostat 1 10</code> and asked them to move the VM to a less busy host</li>

10
docs/sitemap.xml
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@ -4,7 +4,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/2019-04/</loc>
<lastmod>2019-04-08T19:55:20+03:00</lastmod>
<lastmod>2019-04-08T20:00:45+03:00</lastmod>
</url>
<url>
@ -219,7 +219,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/</loc>
<lastmod>2019-04-08T19:55:20+03:00</lastmod>
<lastmod>2019-04-08T20:00:45+03:00</lastmod>
<priority>0</priority>
</url>
@ -230,7 +230,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
<lastmod>2019-04-08T19:55:20+03:00</lastmod>
<lastmod>2019-04-08T20:00:45+03:00</lastmod>
<priority>0</priority>
</url>
@ -242,13 +242,13 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/posts/</loc>
<lastmod>2019-04-08T19:55:20+03:00</lastmod>
<lastmod>2019-04-08T20:00:45+03:00</lastmod>
<priority>0</priority>
</url>
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
<lastmod>2019-04-08T19:55:20+03:00</lastmod>
<lastmod>2019-04-08T20:00:45+03:00</lastmod>
<priority>0</priority>
</url>