Re: request handling in a thread

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On 5-11-2012 4:04, Hilary Oliver wrote:
> Hi,
> 
> My application (Pyro3 as we still use connection authentication, as per my post to
> this list a few months ago) currently looks like this (with hundreds of details
> omitted):
> 
> while True: process_many_pyro_connected_objects() # part 1 
> pyro_daemon.handleRequests( timeout=1 )  # part 2
> 
> 
> The trouble is that when the number of pyro-connected objects gets large it takes
> some time to process them (in part 1) and as a result responsiveness to user
> requests goes down.  Sorry if this is a stupid question - I'm new to threading -
> but as far as Pyro is concerned is it ok to do continuous request handling in a
> separate thread, like this:
> 
> # thread 1 while True: process_many_pyro_connected_objects()
> 
> # thread 2 while True: pyro_daemon.handleRequests()
> 
> (so long as both threads only change the state of my pyro-connected objects in a 
> thread-safe way).  It seems to work, and I assume it is ok, but thought maybe I
> should check with the experts.  Or is there a better way to do it?

Sure, nothing wrong with this. Pyro proxies can also be used across threads, if need be.
I do advise you to have a look at the 'allinone' and 'proxysharing' examples.
Especially the 'allinone' example which does something similar to your setup (call
pyro objects and have a server running at the same time in the same process). It has
the event server thrown into the mix even.

Also, have you considered making some remote method calls in your "part 1" that take
up a long time to process, into oneway calls? Those may provide a large performance
gain in certain situations (at the expense of not knowing the result of the call).

Regards
Irmen de Jong

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