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From Jim Jagielski <>
Subject Re: strange usage pattern for child processes
Date Mon, 20 Oct 2008 14:19:41 GMT

On Oct 20, 2008, at 10:13 AM, Graham Leggett wrote:

> Jim Jagielski wrote:
>> I thought that was the concern; that the pool wasn't released
>> immediately. If you disable reuse, then you don't need to
>> worry about when it is released... or I must be missing something
>> obvious here :/
> Whether the connection is released and returned to the pool (when  
> pools are used), or when the connection is closed (when pools are  
> not used), as I understand it now neither of these make any  
> difference - in both cases, the frontend connection to the client is  
> flushed - causing a long delay - before the backend is released.
> The backend connection is held open during this delay, and isn't  
> returned to the pool or closed, and this has the double effect of  
> keeping expensive backend resources tied up for a long time, and  
> reducing the effectiveness of the connection poool.

Ahhh... I got it now. Basically, as soon as we know we have all the
data from the backend, we should release it.

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