[Twisted-Python] module interface checking tool

Dave Peticolas dave at krondo.com
Tue Aug 10 15:38:26 EDT 2004

On Tue, Aug 10, 2004 at 12:28:52PM -0400, Glyph Lefkowitz wrote:
> On Tue, 2004-08-10 at 10:48, Dave Peticolas wrote:
> > I want to ensure that a connection pool can actually
> > make use of all of its connections simultaneously if
> > it needs to (the performance half of why a connection
> > pool is used in the first place). If adbapi were to
> > ignore the reactor thread counts altogether, for example,
> > it would be pointless to specify a max connections greater
> > than 10 since the reactor won't let you use more than that
> > anyway, the default max thread count being 10 atm.
> Aah.  So what you're saying is you want an API which multiple
> thread-pools can communicate via to establish a suggested minimum value
> for the maximum thread count?
Yes, precisely.

> I'm not opposed to such a thing, but shouldn't this be a deployment /
> tuning option particular to a configuration?  The suggested value would
> have to be a fairly subtle hint...
> Maybe something like
> 'IReactorThreads.suggestAdditionalThreads(suggestingObject,
> addtlThreadCount)'?  The reactor could track the suggesting object with
> a weakref to decrease the total thread count when it goes away.

That sounds just fine. I'll add a tracker request for that.


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