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Alan Orth
2018-01-12 06:07:03 +02:00
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@ -92,7 +92,7 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
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@ -184,7 +184,7 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
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@ -194,9 +194,9 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
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@ -789,6 +789,38 @@ cache_alignment : 64
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</code></pre>
<ul>
<li>Wow, I just figured out how to set the application name of each database pool in the JNDI config of Tomcat&rsquo;s <code>server.xml</code>:</li>
</ul>
<pre><code>&lt;Resource name=&quot;jdbc/dspaceWeb&quot; auth=&quot;Container&quot; type=&quot;javax.sql.DataSource&quot;
driverClassName=&quot;org.postgresql.Driver&quot;
url=&quot;jdbc:postgresql://localhost:5432/dspacetest?ApplicationName=dspaceWeb&quot;
username=&quot;dspace&quot;
password=&quot;dspace&quot;
initialSize='5'
maxActive='75'
maxIdle='15'
minIdle='5'
maxWait='5000'
validationQuery='SELECT 1'
testOnBorrow='true' /&gt;
</code></pre>
<ul>
<li>So theoretically I could name each connection &ldquo;xmlui&rdquo; or &ldquo;dspaceWeb&rdquo; or something meaningful and it would show up in PostgreSQL&rsquo;s <code>pg_stat_activity</code> table!</li>
<li>This would be super helpful for figuring out where load was coming from (now I wonder if I could figure out how to graph this)</li>
<li>Also, I realized that the <code>db.jndi</code> parameter in dspace.cfg needs to match the <code>name</code> value in your applicaiton&rsquo;s context—not the <code>global</code> one</li>
<li>Ah hah! Also, I can name the default DSpace connection pool in dspace.cfg as well, like:</li>
</ul>
<pre><code>db.url = jdbc:postgresql://localhost:5432/dspacetest?ApplicationName=dspaceDefault
</code></pre>
<ul>
<li>With that it is super easy to see where PostgreSQL connections are coming from in <code>pg_stat_activity</code></li>
</ul>