Re: Finally getting where I can replicate problems with stockquotes phase3 tutorial

On 15-01-07 05:36 PM, Irmen de Jong wrote:
> On 7-1-2015 21:03, Kenneth Martin wrote:
>
>> 2) I have not spent time to figure out if I need to set environment
>> variable SERIALIZERS_ACCEPTED
>> in all three terminals or just in terminal with stockmarket.py, or in
>> both terminals with stockmarket.py and aggregator.py, but for tests, I
>> am setting in all three terminal windows to be sure.
> Again, stop here and take a pause and a step back.
> You only need to set it for the name server, as per the docs.
> The other modules set it themselves (as you already found out).
>
>> Summary:
>> In my board, there is a hanging problem when trying to acquire a
>> threading lock when pickle is used as the serializer. serpent works fine
>> as long as communication time-outs are not used.
> This doesn't make a lot of sense really. Pickle works fine for the stockmarket tutorial,
> serpent works just fine for the warehouse tutorial.
>
> The choice of serializer has no relation whatsoever with threading and locks.
>
> You have some stuff mixed up on your system when running the things.
This only happens when I have a conflict with the serializers, but the 
hang up at waiting for the lock is consistent when a conflict occurs.
>
>
> Irmen
>
>
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Kenneth Martin, President
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leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net