Re: [GridSim-users] DataGridResource - processing DataGridlets

[Jonathan M. <jon...@bs...>]

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I've tried a dubious solution by changing the
DataGridResource.processOtherEvent(Sim_event ev) code.

Instead of passing the event to the localRC first and then to the Replica
Manager if it is not a RC event, I've changed the order so the event is
processed at Replica Manager firstly.

Now DataGridlets can be executed, but I still have no idea about the effects on
the rest of the cases or user operations with file replicas.


Jonathan Marti escribió:
> Hi everybody,
> 
> I'm using the gridsim.datagrid package and I'm trying to submit some
> DataGridlets. These DataGridlets have some requirements regarding input files
> which are not satisfied locally at the resources where they are submited.
> 
> In this case, SimpleReplicaManager asks for the location of the missing files by
> sending CTLG_GET_REPLICA events to its DataGridResource. These events are
> processed by the corresponding RC which eventually sends CTGL_REPLICA_DELIVERY.
> 
> The problem is that when DataGridResource receives this CTLG_REPICA_DELIVERY it
> is processed by its localRC !!
> Therefore, SimpleReplicaManager never gets the CTLG_REPLICA_DELIVERY, then it
> never starts the following step (FILE_REQUEST),  so that DataGridlets with input
> requirements that are not locally satisfied are never executed.
> 
> Do you have any idea/solution for this problem?
> 

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Jonathan Martí Fraiz
Storage Systems Research Group  - Computer Sciences Department
Barcelona Supercomputing Center - Centro Nacional de Supercomputación
www   : http://www.bsc.es/StorageSystems
email : jonathan(dot)marti(at)bsc(dot)es
phone : (0034) 934054281
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