<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>RDBMS - Common to all RDBMS - Performance issues on Documentation - V2</title><link>https://doc.castsoftware.com/export-v2/tg/technical-guides/technical-guides-by-cast-aip-platform/rdbms/rdbms-common-to-all-rdbms/rdbms-common-to-all-rdbms-performance-issues/</link><description>Recent content in RDBMS - Common to all RDBMS - Performance issues on Documentation - V2</description><generator>Hugo</generator><language>en</language><atom:link href="https://doc.castsoftware.com/export-v2/tg/technical-guides/technical-guides-by-cast-aip-platform/rdbms/rdbms-common-to-all-rdbms/rdbms-common-to-all-rdbms-performance-issues/index.xml" rel="self" type="application/rss+xml"/><item><title>RDBMS - Common to all RDBMS - Performance - Query runs for an unexpected long time</title><link>https://doc.castsoftware.com/export-v2/tg/technical-guides/technical-guides-by-cast-aip-platform/rdbms/rdbms-common-to-all-rdbms/rdbms-common-to-all-rdbms-performance-issues/rdbms-common-to-all-rdbms-performance-query-runs-for-an-unexpected-long-time/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://doc.castsoftware.com/export-v2/tg/technical-guides/technical-guides-by-cast-aip-platform/rdbms/rdbms-common-to-all-rdbms/rdbms-common-to-all-rdbms-performance-issues/rdbms-common-to-all-rdbms-performance-query-runs-for-an-unexpected-long-time/</guid><description>&lt;p&gt;&lt;strong&gt;Purpose (problem description)&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;This page handle the issue of queries that run for an unexpected long time, you can observe this by comparing the query start time with the actual time, knowing that the state is active and there is no AIP component used. The following query list the queries in activity:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-sql" data-lang="sql"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;SELECT&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="o"&gt;*&lt;/span&gt;&lt;span class="w"&gt; 
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;FROM&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;pg_stat_activity&lt;/span&gt;&lt;span class="w"&gt; 
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;WHERE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;state&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s1"&gt;&amp;#39;active&amp;#39;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;&lt;strong&gt;Observed in CAST AIP&lt;/strong&gt;&lt;/p&gt;
&lt;table&gt;
 &lt;thead&gt;
 &lt;tr&gt;
 &lt;th&gt;Release&lt;/th&gt;
 &lt;th&gt;Yes/No&lt;/th&gt;
 &lt;/tr&gt;
 &lt;/thead&gt;
 &lt;tbody&gt;
 &lt;tr&gt;
 &lt;td&gt;8.2.x&lt;/td&gt;
 &lt;td&gt;&amp;#x2705;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr&gt;
 &lt;td&gt;8.1.x&lt;/td&gt;
 &lt;td&gt;&amp;#x2705;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr&gt;
 &lt;td&gt;8.0.x&lt;/td&gt;
 &lt;td&gt;&amp;#x2705;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;strong&gt;Observed on RDBMS&lt;/strong&gt;&lt;/p&gt;</description></item></channel></rss>