gridsim-users — For general queries and feedbacks

[GridSim-users] questions

[hamid r. <ham...@ya...>]

Dear Sirs,
There are two questions I would like to ask:
1-      How can I have own scheduler?
2-      How can I calculate idle
time of resources? 
Best regards,
Hamid

[GridSim-users] How to use Gridsim

[c S. <yo...@gm...>]

We are developing a framework for distributed processing and load balancing.
We have several jobs of different capacities (anticipated complexity).
We ave several processors of different abilities (cost).

We would like to use GridSim to simulate the tests that will give us the
best Job distribution scheme (which Job fits which processor at what time
or at what load).

Can you please let us know how this can be achieved with GridSim?

Thanks& Regards
Srinivas

[GridSim-users] Query about Resource Computational Load

[faisal h. <fai...@ya...>]

Hi,

I am working on Load balancing amongst the resources in a grid. 
I am maintaining DataGridResourceList which contains multiple 
DataGridResource objects.

So please kindly guide me how can i get the 

1. "computational load" from the resource 
2. and also how can i migrate the computations from one resource to another.

Thanks for your cooperation
 
With Regards,

Faisal

[GridSim-users] Grid resource characteristics & packet exchanged

[Amr F. <am...@ho...>]

Dear all, 

I need to know the following:
1- how to create more than one grid resource with different resource characteristics.
2- how to manage the number of packets exchanged between grid user and resource.

Best regards,
Amr Farouk

[GridSim-users] Help with Simulating Failure

[hajo <mai...@gm...>]

I send a mail to the GridSim - users Tue, 25 Mar 2014, no response. Please
someone should tell me if the site

 is no longer functioning or I send to the wrong Location. Please I urgently
need help.

 Whoever is listeing should please direct me on how to send the mail and get
a response. 

 

Thanks with regards,

Hajo



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[GridSim-users] (no subject)

[hajo <mai...@gm...>]

 



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[GridSim-users] Query about workload in gridsim

[faisal h. <fai...@ya...>]

Hi,

i want to get individual workload of all grid resources in a grid. like the way that 

load of resource1=90%
load of resource2=50%

load of resource3=80%



kindly guide me how i can achieve this in gridsim. i have already done resource creation using datagridresouce class.
 
With Regards,

Faisal Haroon

Re: [GridSim-users] Gridsim-users Digest, Vol 263, Issue 1

[sunita b. <sun...@gm...>]

Dear all,

I am also facing similar problem. I fail a task in scheduling policy by
setting the gridlet status as failure.  I want to communicate to the
resource broker that task is fail.
How should I generate an event and pass to the resource broker.

Thanks with regards,


On Tue, Mar 25, 2014 at 8:13 PM, <
gri...@li...> wrote:

> Send Gridsim-users mailing list submissions to
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> To subscribe or unsubscribe via the World Wide Web, visit
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> You can reach the person managing the list at
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Gridsim-users digest..."
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>
> Today's Topics:
>
>    1. regarding broker and visual modeler (shalini chawla)
>    2. Help with Simulating Failure (hajo)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 3 Mar 2014 16:36:31 +0530
> From: shalini chawla <sha...@gm...>
> Subject: [GridSim-users] regarding broker and visual modeler
> To: gri...@li...
> Message-ID:
>         <
> CAC...@ma...>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Sir,
> how is broker implemented ? do we need to write code for broker in every
> application we create ??
> and visual modeler is still supported or not ??
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
> Message: 2
> Date: Tue, 25 Mar 2014 15:43:05 +0100
> From: "hajo" <mai...@gm...>
> Subject: [GridSim-users] Help with Simulating Failure
> To: <gri...@li...>
> Message-ID: <000001cf4838$8deb72e0$a9c258a0$@com>
> Content-Type: text/plain; charset="us-ascii"
>
> Good day,
>
> My master thesis is on fault tolerant in grid scheduling using gridSim. i
>
> have study gridsim example, including the resfailure which implement
>
> regionalGIS. my work is on GIS not regional. how do i simulate that failure
>
> has occur in my scheduling algorithmms? also i need some particular
>
> resource to failed , not all. and when that happen i need to update GIS
>
> when the gridlet is completed  or failed, which will keep record of
>
> resource failure rate. when it failed i can schedule it to another
> resource.
>
>  In resfailure example in gridSim, the resource failed even before
> executing
> the job and also
>
> is RegionalGIS not GIS
>
>
>
> My major problem is when in my scheduling algorithms should it be called
>
> failure method and also it must be  executing a job before any resource
> will
> fail, so
>
> that the job can be transfer. please help me out.. i have exhausted my time
>
> making research and now i don't have enough time with my research work.
>
> thanks alot.
>
>
>
> With regards
>
>
>
> Hajo
>
>
>
>
>
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> End of Gridsim-users Digest, Vol 263, Issue 1
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Lecturer, Computer Science and Information Systems,
2146-G Academy Research Division, BITS,
Pilani, Rajasthan 333031

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[GridSim-users] Help with Simulating Failure

[hajo <mai...@gm...>]

Good day,

My master thesis is on fault tolerant in grid scheduling using gridSim. i

have study gridsim example, including the resfailure which implement

regionalGIS. my work is on GIS not regional. how do i simulate that failure

has occur in my scheduling algorithmms? also i need some particular

resource to failed , not all. and when that happen i need to update GIS

when the gridlet is completed  or failed, which will keep record of

resource failure rate. when it failed i can schedule it to another resource.

 In resfailure example in gridSim, the resource failed even before executing
the job and also 

is RegionalGIS not GIS

 

My major problem is when in my scheduling algorithms should it be called

failure method and also it must be  executing a job before any resource will
fail, so

that the job can be transfer. please help me out.. i have exhausted my time

making research and now i don't have enough time with my research work.

thanks alot.

 

With regards

 

Hajo

 



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[GridSim-users] regarding broker and visual modeler

[shalini c. <sha...@gm...>]

Sir,
how is broker implemented ? do we need to write code for broker in every
application we create ??
and visual modeler is still supported or not ??

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Re: [GridSim-users] 1. Running several simulations in a row (Gridsim-users Digest, Vol 261, Issue 1)

[Dalibor K. <xk...@fi...>]

Hi,

> Hi everyone,
>
> During experiments with Gridsim I experienced difficulties with
> running several simulations in a row.
> For example, I have a JUnit test case that executes simulations
> several times. First simulations is successfully executed, while all
> next test cases finish immediately after GridSim.startGridSimulation()
> call.
>
> Is it expected behavior and it's impossible to run several simulations
> in a row? Is there a way to "clear" state of the GridSim so it's
> possible to run simulation again?
>
> -- Regards, Volodymyr

I solved the same problem and ended up with extended simjava.jar library.
I had to add new method that resets simjava's internal variable 
"incomplete".
Otherwise it did not work. In the code, you just put this line at the 
end of an experiment:

// reset internal SimJava variables to start new experiment with 
different job/gridlet setup
Sim_system.setInComplete(true);

If you are interested in my solution, take a look at 
http://www.fi.muni.cz/~xklusac/alea/
It is a webpage of Alea simulator (which can run several simulations in 
a row).
Also the modified simjava.jar is there: 
http://www.fi.muni.cz/~xklusac/alea/download/simjava.jar

Regards,

Dalibor

-- 
---------------------------------
RNDr. Dalibor Klusáček, Ph.D.
Faculty of Informatics, MU, Brno.
e-mail: xk...@fi...
---------------------------------

[GridSim-users] Queries of Gridsim

[Dhanesh A. <stu...@gm...>]

Sir , when i Run  gridsim examples using Netbeans , I get an error for the
main class as following :-
Exception in thread "main" java.lang.ExceptionInInitializerError
at Example1.main(Example1.java:59)
Caused by: java.lang.RuntimeException: Uncompilable source code - cannot
find symbol
  symbol: class Sim_entity
at gridsim.GridSimCore.<clinit>(GridSimCore.java:174)
... 1 more

[GridSim-users] Running several simulations in a row

[Volodymyr R. <vla...@gm...>]

Hi everyone,

During experiments with Gridsim I experienced difficulties with
running several simulations in a row.
For example, I have a JUnit test case that executes simulations
several times. First simulations is successfully executed, while all
next test cases finish immediately after GridSim.startGridSimulation()
call.

Is it expected behavior and it's impossible to run several simulations
in a row? Is there a way to "clear" state of the GridSim so it's
possible to run simulation again?

-- 
Regards,
Volodymyr

Re: [GridSim-users] rajni3387

[rajni a. <raj...@gm...>]

Hi,

My gmail id was hacked and  please ignore this message..:(


Thanks
Rajni


On Sun, Jul 21, 2013 at 9:25 AM, rajni aron <raj...@gm...> wrote:

> http://thermo-analyse.dk/dxj/zzlyifo.hbjbvlvkztwsqslii
>



-- 
Rajni

[GridSim-users] sunny.gartan05

[Sunny G. <sun...@gm...>]

http://tpc.sistec.ac.in/old/xpmorylpt.sxcyeysb





sunny.gartan05


7/21/2013 8:46:43 AM

[GridSim-users] rajni3387

[rajni a. <raj...@gm...>]

http://thermo-analyse.dk/dxj/zzlyifo.hbjbvlvkztwsqslii

[GridSim-users] (no subject)

[Sunny G. <sun...@gm...>]

 i added gridsim jar files in library but don't know how to add how to add
gridsim package in eclipse ide
...

[GridSim-users] (no subject)

[Sunny G. <sun...@gm...>]

i did it as:



1. download gridsim from
http://sourceforge.net/projects/gridsim/files/latest/download?source=files
2. extract it to say C:\GridSim
3. start netbeans
4. New Project
5. Categories - > Java - > Java Project with existing sources
6. Give a Project Name or take the default provided
7. Add the source package folders (C:\GridSim)
8. Delete the class files or Ignore - > Finish
9. Right Click on project -> properties -> Libraries
10. Add Jar/Folder -> C:\GridSim\jars\*.*
11. Nothing more to do - Just go and run any java file from the examples
folder




still there is a error in source package after adding and after run it
shows 100 error and 4 warning... help me..

Re: [GridSim-users] regarding gridsim

[Sunny G. <sun...@gm...>]

creating a new project and adding gridsim toolkit in properties of that
project..and when run the project error encountered "eduni simjava doesnot
exist . while i already added simjava.jar file.


On Wed, Jun 19, 2013 at 5:19 AM, Sunny Gartan <sun...@gm...>wrote:

> how to add gridsim toolkit in netbeans ide
>

[GridSim-users] regarding gridsim

[Sunny G. <sun...@gm...>]

how to add gridsim toolkit in netbeans ide

[GridSim-users] i want to solve this error so that i can proceed to store the output i recieved

[rashmita p. <ras...@gm...>]

Hi,



We are trying to simulate the TLBO algorithm using GridSim version 5.0. We
have created the following scenario:



School  - > Classrooms    -> Teacher - > Students [ Each student has a
machine and instance of GridSim ] -> Task is assigned to the student.
During execution

1              ->            5              ->        5         -> 20 /
teacher



We observe that post completion of the tasks of each GridSim node. We get
the following error as seen below.



eduni.simjava.Sim_exception: Sim_system: Attempt to send to a null entity
detected.

                at eduni.simjava.Sim_system.process_event(*
Sim_system.java:751*)

                at eduni.simjava.Sim_system.run_tick(*Sim_system.java:549*)

                at eduni.simjava.Sim_system.run(*Sim_system.java:1843*)

                at gridsim.GridSim.startGridSimulation(*GridSim.java:518*)

                at rashmita.thesis.TLBSchoolSimulator.main(*
TLBSchoolSimulator.java:142*)

*java.lang.NullPointerException*: GridSim.startGridSimulation() : Error -
you haven't initialized GridSim.

                at gridsim.GridSim.startGridSimulation(*GridSim.java:523*)

                at rashmita.thesis.TLBSchoolSimulator.main(*
TLBSchoolSimulator.java:142*)



Would you please be able to help us with this error ?


*Note:* We have called GridSim.init(1, Calendar.getInstance(), false);
before start of the execution of the tasks.
-- 
with regards...
*Rashmita pradhan.*

[GridSim-users] want to know how to assign arithematic operation in a gridlet to be carried out by assigning it to a resource

[rashmita p. <ras...@gm...>]

want to know how to assign arithematic operation in a gridlet to be carried
out by assigning it to a resource
i need a small psuedocode as i cannot proceed to write the codes

-- 
with regards...
*Rashmita pradhan.*

[GridSim-users] psuedo code for assigning a task to a gridlet

[rashmita p. <ras...@gm...>]

dear friend
i just need a small example of the psuedocode how to assign a task to a
gridlet
-- 
with regards...
*Rashmita pradhan.*

[GridSim-users] how to assign a task to a gridlet??

[rashmita p. <ras...@gm...>]

hi friends...
my question is i want to know that how will i associate/assgin a task to a
gridlet ie if i want to do some algebraic computation then how will i
assign a gridlet to do my algebraic computation.

-- 
with regards...
*Rashmita pradhan.*