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From Phil Steitz <phil.ste...@gmail.com>
Subject Re: [pool] runtime re-configuration
Date Wed, 13 Oct 2010 00:19:00 GMT




On Oct 12, 2010, at 4:42 PM, Jörg Schaible <joerg.schaible@gmx.de> wrote:

> Gary Gregory wrote:
> 
>> I too would like to be able to tweak the size of the pool at runtime.
>> 
>> Gary
>> 
>> On Oct 12, 2010, at 13:19, "James Carman" <james@carmanconsulting.com>
>> wrote:
>> 
>>> On Tue, Oct 12, 2010 at 11:22 AM, Simone Tripodi
>>> <simone.tripodi@gmail.com> wrote:
>>>> Hi Phil! :)
>>>> honestly I didn't understand which are the use cases when a pool needs
>>>> to be reconfigured, that's why I've always used the pool in "configure
>>>> and use" modality and Seb's suggestion sounded good to me. OTOH I
>>>> didn't modify any single code line before hearing your thoughts since
>>>> you know much more than me.
>>>> If pool's property are mutable, so I need to add the setters, make
>>>> them final otherwise :P
>>> 
>>> What if you want to alter the way the pool works at runtime?  Perhaps
>>> you're seeing that it keeps causing long waits because you're not
>>> allowing it to grow big enough?
> 
> Why then not create a new pool and take over ownership of the objects?
> 
There may be instances out in circulation.  Also requests waiting, maintenance in progress,
etc not to mention the need to redirect clients.  The flexibility to be able to increase pool
size or change other parameters on the fly is good IMO and where we can safely support it
without performance impact we should.
> - Jörg
> 
> 
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