From: Masatoshi SEKI <m_seki@...>
Date: 2004-09-23T10:44:52+09:00
Subject: Re: DrbUndumped and GC


On 2004/09/23, at 10:14, Ara.T.Howard wrote:

> so the client will have a handle on the Proxy, and so will the client. 
>  how
> will the server know when the client no longer needs the handle and gc 
> the
> object?  POLS says the object would be gc'd in the client as normal 
> and that
> this would trigger the gc on the server.  but what if more than one 
> client has
> a handle on the server side proxy?  now we are reference counting 
> across
> remote nodes.  my gut says this could get one in trouble quickly if 
> many
> DrbUndumped objects were being returned to many clients, or even if a 
> single
> DrbUndumped object was returned to many clients...
>
> i'm about to dig into the code and run some tests to see - but am 
> hoping some
> of you drb experts out there may already have done this ;-)


How about TimerIdConv?

   require 'drb/timeridconv'

   ....

   DRb.install_id_conv(DRb::TimerIdConv.new)
   DRb.start_service(....)


I like the following simple approach.

   class Server
     def initialize
       @proxy = Proxy.new
     end
     def method
       @proxy
     end
   end