Trouble with scheduling

[Da BrotherHoud]

I am having trouble figuring out where to implement my scheduling algorithm. I need to alter the way the cloudlet list is sorted, but also change the defaultVmMapper of the Datacenter Brokers. The latter I can do no problem, however I am struggling to find when this method is called at all. Any help is greatly appreciated.

Thank you,

Jamel

[Manoel Campos]

Hello,

If you need to change the order in which Cloudlets are submitted to VMs by a DatacenterBroker,

you can call the DatacenterBroker.setCloudletComparator method.

You can provide a Comparator that defines the way Cloudlets are sorted.

It's possible to implement complex Comparators. The example below sorts submitted Cloudlets

based on the number of PEs and length, in reserve order:

// import static java.util.Comparator.comparingDouble;
// import static java.util.Comparator.comparingLong;

Comparator<Cloudlet> comparator = 

        comparingLong(Cloudlet::getNumberOfPes)
            .thenComparing(comparingDouble(Cloudlet::getLength));

broker.setCloudletComparator(comparator.reversed());

Manoel Campos da Silva Filho Software Engineer

Computer Science and Engineering Ph.D. Student at University of Beira Interior (Portugal)

Professor at Federal Institute of Education, Science and Technology of Tocantins (Brazil)

http://manoelcampos.com

 about.me

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