Sunday, March 4, 2012

Job scheduling in Cloud Computing Environment?

How do you tackle/ find a solution for job scheduling in cloud computing environment. Can you please tell me what are the issues in job scheduling in cloud computing i referred some papers on it. In one paper they were discussing time and cost are the criteria for scheduling



Kindly enlighten me on this and need your guidelines regarding thisJob scheduling in Cloud Computing Environment?
At that level, it's very similar to the OS's scheduler.



Efficient scheduling is a very complex matter, as the more you try to respect priorities and balance the load, the more processing and time you lose on managing it.



Managing priorities based on execution time is a risky thing as it may have the advantage of allowing other shorter tasks to complete faster, but can end up increasing the load if big jobs keep getting requested.



In most cases, giving priority to the oldest tasks does have the advantage of reducing the number of overall resources required though.



I would recommend you take a look at the Linux kernel's scheduler source code to grasp the complexity. Unless you analyzed it before, you can expect to catch a headache trying to figure it out.
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