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Add notes for 2015-12-07

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Signed-off-by: Alan Orth <alan.orth@gmail.com>
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Alan Orth 2015-12-07 19:10:54 +02:00
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18
content/2015-12.md
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@ -125,3 +125,21 @@ postgres@linode01:~$ psql -c 'SELECT * from pg_stat_activity;' | grep cgspace |
![PostgreSQL cache (year)](../images/2015/12/postgres_cache_cgspace-year.png) ![PostgreSQL cache (year)](../images/2015/12/postgres_cache_cgspace-year.png)
![PostgreSQL locks (year)](../images/2015/12/postgres_locks_cgspace-year.png) ![PostgreSQL locks (year)](../images/2015/12/postgres_locks_cgspace-year.png)
![PostgreSQL scans (year)](../images/2015/12/postgres_scans_cgspace-year.png) ![PostgreSQL scans (year)](../images/2015/12/postgres_scans_cgspace-year.png)
## 2015-12-07
- Atmire sent [some fixes](https://github.com/ilri/DSpace/pull/161) to DSpace's REST API code that was leaving contexts open (causing the slow performance and database issues)
- After deploying the fix to CGSpace the REST API is consistently faster:
```
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.675
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.599
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.588
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.566
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.497
```

19
public/2015-12/index.html
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@ -213,6 +213,25 @@ $ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle
<img src="../images/2015/12/postgres_locks_cgspace-year.png" alt="PostgreSQL locks (year)" /> <img src="../images/2015/12/postgres_locks_cgspace-year.png" alt="PostgreSQL locks (year)" />
<img src="../images/2015/12/postgres_scans_cgspace-year.png" alt="PostgreSQL scans (year)" /></p> <img src="../images/2015/12/postgres_scans_cgspace-year.png" alt="PostgreSQL scans (year)" /></p>
<h2 id="2015-12-07:012a628feed6d64ae1151cbd6151ccd6">2015-12-07</h2>
<ul>
<li>Atmire sent <a href="https://github.com/ilri/DSpace/pull/161">some fixes</a> to DSpace&rsquo;s REST API code that was leaving contexts open (causing the slow performance and database issues)</li>
<li>After deploying the fix to CGSpace the REST API is consistently faster:</li>
</ul>
<pre><code>$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.675
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.599
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.588
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.566
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.497
</code></pre>
</section> </section>
<footer> <footer>

19
public/index.xml
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@ -150,6 +150,25 @@ $ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle
&lt;img src=&#34;../images/2015/12/postgres_cache_cgspace-year.png&#34; alt=&#34;PostgreSQL cache (year)&#34; /&gt; &lt;img src=&#34;../images/2015/12/postgres_cache_cgspace-year.png&#34; alt=&#34;PostgreSQL cache (year)&#34; /&gt;
&lt;img src=&#34;../images/2015/12/postgres_locks_cgspace-year.png&#34; alt=&#34;PostgreSQL locks (year)&#34; /&gt; &lt;img src=&#34;../images/2015/12/postgres_locks_cgspace-year.png&#34; alt=&#34;PostgreSQL locks (year)&#34; /&gt;
&lt;img src=&#34;../images/2015/12/postgres_scans_cgspace-year.png&#34; alt=&#34;PostgreSQL scans (year)&#34; /&gt;&lt;/p&gt; &lt;img src=&#34;../images/2015/12/postgres_scans_cgspace-year.png&#34; alt=&#34;PostgreSQL scans (year)&#34; /&gt;&lt;/p&gt;
&lt;h2 id=&#34;2015-12-07:012a628feed6d64ae1151cbd6151ccd6&#34;&gt;2015-12-07&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;Atmire sent &lt;a href=&#34;https://github.com/ilri/DSpace/pull/161&#34;&gt;some fixes&lt;/a&gt; to DSpace&amp;rsquo;s REST API code that was leaving contexts open (causing the slow performance and database issues)&lt;/li&gt;
&lt;li&gt;After deploying the fix to CGSpace the REST API is consistently faster:&lt;/li&gt;
&lt;/ul&gt;
&lt;pre&gt;&lt;code&gt;$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.675
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.599
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.588
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.566
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.497
&lt;/code&gt;&lt;/pre&gt;
</description> </description>
</item> </item>

19
public/tags/notes/index.xml
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@ -150,6 +150,25 @@ $ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle
&lt;img src=&#34;../images/2015/12/postgres_cache_cgspace-year.png&#34; alt=&#34;PostgreSQL cache (year)&#34; /&gt; &lt;img src=&#34;../images/2015/12/postgres_cache_cgspace-year.png&#34; alt=&#34;PostgreSQL cache (year)&#34; /&gt;
&lt;img src=&#34;../images/2015/12/postgres_locks_cgspace-year.png&#34; alt=&#34;PostgreSQL locks (year)&#34; /&gt; &lt;img src=&#34;../images/2015/12/postgres_locks_cgspace-year.png&#34; alt=&#34;PostgreSQL locks (year)&#34; /&gt;
&lt;img src=&#34;../images/2015/12/postgres_scans_cgspace-year.png&#34; alt=&#34;PostgreSQL scans (year)&#34; /&gt;&lt;/p&gt; &lt;img src=&#34;../images/2015/12/postgres_scans_cgspace-year.png&#34; alt=&#34;PostgreSQL scans (year)&#34; /&gt;&lt;/p&gt;
&lt;h2 id=&#34;2015-12-07:012a628feed6d64ae1151cbd6151ccd6&#34;&gt;2015-12-07&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;Atmire sent &lt;a href=&#34;https://github.com/ilri/DSpace/pull/161&#34;&gt;some fixes&lt;/a&gt; to DSpace&amp;rsquo;s REST API code that was leaving contexts open (causing the slow performance and database issues)&lt;/li&gt;
&lt;li&gt;After deploying the fix to CGSpace the REST API is consistently faster:&lt;/li&gt;
&lt;/ul&gt;
&lt;pre&gt;&lt;code&gt;$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.675
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.599
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.588
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.566
$ curl -o /dev/null -s -w %{time_total}\\n https://cgspace.cgiar.org/rest/handle/10568/32802?expand=all
0.497
&lt;/code&gt;&lt;/pre&gt;
</description> </description>
</item> </item>