[kepler-users] Site Selection

[Chad Berkley]

Hello Emir,

I believe you are referring to distributed execution.  If that is not 
the case, I apologize.  We are currently working on release 1.0 of 
kepler, which, unfortunately, will not include distributed execution 
capabilities.  We do have an alpha level (experimental) set of 
distributed tools for kepler.  We are going to continue development of 
this distributed system after the 1.0 release of kepler.

The functionality we currently have allows you to either specify a 
single remote site to run on, or the system will distribute the 
execution across a number of sites that you specify.  This is done at 
the actor level, so, say you have three actors that need to run 
distributively.  You could configure one of them to run on a specific 
remote server and allow the other two to choose from a pool of available 
servers, or you could specify a specific server for each actor.

The functionality does work, but is currently hard to setup and is not 
very user friendly.  Like I said earlier, we'll be adding functionality 
and upgrading the current functionality after the 1.0 release of kepler 
(which should hopefully happen at the end of this week).

Let me know if you have any questions or if I've answered the completely 
wrong question :)

chad


Emir Mahmut BAHSI wrote:
> Hi,
> I am doing research on site selection of workflow management systems. I 
> wonder how Kepler handles site selection.
> For each job do we have to mention in which site it will be executed or 
> while running the workflow we just tell to Kepler a set of sites and 
> jobs will be assigned to one of the sites according to some site 
> selection mechanism? Or in Kepler we only execute the tasks in local 
> machine. (I am asking this since I have used Kepler only for testing 
> purposes in local system)
> I need to get as much information as possible. Is there any 
> documentation or any publication about it that I can read.
> 
> Regards,
> 
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