Update notes for 2017-12-04

This commit is contained in:
Alan Orth 2017-12-04 15:39:52 +03:00
parent ce347ac143
commit a559b6bc70
Signed by: alanorth
GPG Key ID: 0FB860CC9C45B1B9
3 changed files with 12 additions and 10 deletions

View File

@ -89,4 +89,5 @@ $ grep 2.86.122.76 /home/cgspace.cgiar.org/log/dspace.log.2017-12-01 | grep -o -
![PostgreSQL connections month](/cgspace-notes/2017/12/postgres-connections-month.png)
- The results look fantastic! So the `random_page_cost` tweak for SSDs is massive
- The results look fantastic! So the `random_page_cost` tweak is massively important for informing the PostgreSQL scheduler that there is no "cost" to accessing random pages, as we're on an SSD!
- I guess we could probably even reduce the PostgreSQL connections in DSpace / PostgreSQL after using this

View File

@ -23,7 +23,7 @@ The list of connections to XMLUI and REST API for today:
<meta property="article:published_time" content="2017-12-01T13:53:54&#43;03:00"/>
<meta property="article:modified_time" content="2017-12-04T12:21:49&#43;03:00"/>
<meta property="article:modified_time" content="2017-12-04T15:37:58&#43;03:00"/>
@ -56,9 +56,9 @@ The list of connections to XMLUI and REST API for today:
"@type": "BlogPosting",
"headline": "December, 2017",
"url": "https://alanorth.github.io/cgspace-notes/2017-12/",
"wordCount": "383",
"wordCount": "418",
"datePublished": "2017-12-01T13:53:54&#43;03:00",
"dateModified": "2017-12-04T12:21:49&#43;03:00",
"dateModified": "2017-12-04T15:37:58&#43;03:00",
"author": {
"@type": "Person",
"name": "Alan Orth"
@ -216,7 +216,8 @@ The list of connections to XMLUI and REST API for today:
<p><img src="/cgspace-notes/2017/12/postgres-connections-month.png" alt="PostgreSQL connections month" /></p>
<ul>
<li>The results look fantastic! So the <code>random_page_cost</code> tweak for SSDs is massive</li>
<li>The results look fantastic! So the <code>random_page_cost</code> tweak is massively important for informing the PostgreSQL scheduler that there is no &ldquo;cost&rdquo; to accessing random pages, as we&rsquo;re on an SSD!</li>
<li>I guess we could probably even reduce the PostgreSQL connections in DSpace / PostgreSQL after using this</li>
</ul>

View File

@ -4,7 +4,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/2017-12/</loc>
<lastmod>2017-12-04T12:21:49+03:00</lastmod>
<lastmod>2017-12-04T15:37:58+03:00</lastmod>
</url>
<url>
@ -139,7 +139,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/</loc>
<lastmod>2017-12-04T12:21:49+03:00</lastmod>
<lastmod>2017-12-04T15:37:58+03:00</lastmod>
<priority>0</priority>
</url>
@ -150,7 +150,7 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
<lastmod>2017-12-04T12:21:49+03:00</lastmod>
<lastmod>2017-12-04T15:37:58+03:00</lastmod>
<priority>0</priority>
</url>
@ -162,13 +162,13 @@
<url>
<loc>https://alanorth.github.io/cgspace-notes/post/</loc>
<lastmod>2017-12-04T12:21:49+03:00</lastmod>
<lastmod>2017-12-04T15:37:58+03:00</lastmod>
<priority>0</priority>
</url>
<url>
<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
<lastmod>2017-12-04T12:21:49+03:00</lastmod>
<lastmod>2017-12-04T15:37:58+03:00</lastmod>
<priority>0</priority>
</url>