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POIIS Connection Pool interrogation/leak tracking
 

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    <p>Per this <a href="http://www.15seconds.com/issue/040830.htm" rel="nofollow noreferrer">helpful article</a> I have confirmed I have a connection pool leak in some application on my IIS 6 server running W2k3. </p> <p>The tough part is that I'm serving 300 websites written by 700 developers from this server in 6 application pools, 50% of which are .NET 1.1 which doesn't even show connections in the CLR Data performance counter. I could watch connections grow on my end if everything were .NET 2.0+, but I'm even out of luck on that slim monitoring tool. </p> <p>My 300 websites connect to probably 100+ databases spread out between Oracle, SQLServer and outliers, so I cannot watch the connections from the database end either. </p> <p>Right now my best and only plan is to do a loose binary search for my worst offenders. I will kill application pools and slowly remove applications from them until I find which individual applications result in the most connections dropping when I kill their pool. But since this is a production box and I like continued employment, this could take weeks as a tracing method. </p> <p>Does anyone know of a way to interrogate the IIS connection pools to learn their origin or owner? Is there an MSMQ trigger I might be able to which I might be able to attach when they are created? Anything silly I'm overlooking? </p> <p>Kevin</p> <p>(I'll include the error code to facilitate others finding your answers through search: Exception: System.InvalidOperationException Message: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.)</p>
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