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POapplication_start firing unexpectedly asp.net
 

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    <p>I am looking at an asp.net application that makes calls to a database within the application start inside global.asax. These calls takes around 3 seconds (depends on SQL cache plan) to run. I have noticed that the application runs <strong>slowly</strong> when I first redeploy. I put this down to the calls to the database whilst the application started. However after a few minutes the application again takes time to load. </p> <p>To find out what was going, I have written to a log file (see below). From this file you can see that application start fires multipe times when multiple requests hits the application for the first time. It then appears that the application_start is fired in a random fashion (anything from 2-10 mins). </p> <p>From my understanding of how application_starts works it should only get triggered when the applicaton FIRST starts, however it appears to be fired from multiple clients randomly! According to MSDN <em>"The Application_Start event is fired the first time when an application starts."</em> </p> <p>Can anyone help me work out what is going on? I am using IIS6 and .net 2.0. Is it an application pool setting I am missing.</p> <p>Many thanks Rippo</p> <pre><code>[12/02/2009 16:16:58] 91.84.25.241 - Application started, Sub MyRules started [12/02/2009 16:17:06] 65.55.51.34 - Application started, Sub MyRules started [12/02/2009 16:17:07] 91.84.25.241 - Application started, Sub MyRules completed [12/02/2009 16:17:10] 65.55.51.34 - Application started, Sub MyRules completed [12/02/2009 16:17:26] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:30] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:30] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:33] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:33] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:36] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:36] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:39] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:42] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:48] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:48] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:52] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:17:52] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:17:54] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:18:27] 91.84.25.241 - Application started, Sub MyRules started [12/02/2009 16:18:31] 91.84.25.241 - Application started, Sub MyRules completed [12/02/2009 16:18:31] 212.115.51.229 - Application started, Sub MyRules started [12/02/2009 16:18:33] 212.115.51.229 - Application started, Sub MyRules completed [12/02/2009 16:29:26] 167.230.38.115 - Application started, Sub MyRules started [12/02/2009 16:29:28] 167.230.38.115 - Application started, Sub MyRules completed [12/02/2009 16:29:34] 82.110.42.84 - Application started, Sub MyRules started [12/02/2009 16:29:37] 82.110.42.84 - Application started, Sub MyRules completed [12/02/2009 16:29:38] 82.110.42.84 - Application started, Sub MyRules started [12/02/2009 16:29:41] 82.110.42.84 - Application started, Sub MyRules completed [12/02/2009 16:32:53] 99.142.1.97 - Application started, Sub MyRules started [12/02/2009 16:32:57] 99.142.1.97 - Application started, Sub MyRules completed [12/02/2009 16:32:57] 99.142.1.97 - Application started, Sub MyRules started [12/02/2009 16:33:01] 99.142.1.97 - Application started, Sub MyRules completed [12/02/2009 16:33:01] 99.142.1.97 - Application started, Sub MyRules started [12/02/2009 16:33:06] 99.142.1.97 - Application started, Sub MyRules completed [12/02/2009 16:33:06] 99.142.1.97 - Application started, Sub MyRules started [12/02/2009 16:33:10] 99.142.1.97 - Application started, Sub MyRules completed [12/02/2009 16:33:11] 99.142.1.97 - Application started, Sub MyRules started [12/02/2009 16:33:16] 99.142.1.97 - Application started, Sub MyRules completed [12/02/2009 16:36:15] 65.55.51.34 - Application started, Sub MyRules started [12/02/2009 16:36:17] 65.55.51.34 - Application started, Sub MyRules completed [12/02/2009 16:41:37] 119.123.226.156 - Application started, Sub MyRules started [12/02/2009 16:41:37] 62.49.121.122 - Application started, Sub MyRules started [12/02/2009 16:41:40] 62.49.121.122 - Application started, Sub MyRules completed [12/02/2009 16:41:40] 119.123.226.156 - Application started, Sub MyRules completed [12/02/2009 16:41:41] 62.49.121.122 - Application started, Sub MyRules started [12/02/2009 16:41:44] 62.49.121.122 - Application started, Sub MyRules completed [12/02/2009 16:45:17] 84.70.249.242 - Application started, Sub MyRules started [12/02/2009 16:45:19] 84.70.249.242 - Application started, Sub MyRules completed [12/02/2009 16:47:03] 80.41.121.68 - Application started, Sub MyRules started [12/02/2009 16:47:05] 80.41.121.68 - Application started, Sub MyRules completed [12/02/2009 16:47:29] 81.179.26.249 - Application started, Sub MyRules started [12/02/2009 16:47:31] 81.179.26.249 - Application started, Sub MyRules completed [12/02/2009 16:47:59] 81.136.179.170 - Application started, Sub MyRules started [12/02/2009 16:47:59] 81.136.179.170 - Application started, Sub MyRules started [12/02/2009 16:48:02] 81.136.179.170 - Application started, Sub MyRules completed [12/02/2009 16:48:02] 81.136.179.170 - Application started, Sub MyRules started [12/02/2009 16:48:02] 81.136.179.170 - Application started, Sub MyRules completed [12/02/2009 16:48:02] 81.136.179.170 - Application started, Sub MyRules started [12/02/2009 16:48:04] 81.136.179.170 - Application started, Sub MyRules completed [12/02/2009 16:48:04] 81.136.179.170 - Application started, Sub MyRules completed [12/02/2009 16:52:35] 69.34.161.80 - Application started, Sub MyRules started [12/02/2009 16:52:35] 69.34.161.80 - Application started, Sub MyRules started [12/02/2009 16:52:35] 69.34.161.80 - Application started, Sub MyRules started [12/02/2009 16:52:38] 69.34.161.80 - Application started, Sub MyRules completed [12/02/2009 16:52:38] 69.34.161.80 - Application started, Sub MyRules started [12/02/2009 16:52:39] 69.34.161.80 - Application started, Sub MyRules completed [12/02/2009 16:52:39] 69.34.161.80 - Application started, Sub MyRules completed [12/02/2009 16:52:40] 69.34.161.80 - Application started, Sub MyRules completed </code></pre>
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