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Disable VM creation retry in CostsExample1 #37

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Merged
manoelcampos merged 3 commits into from
Oct 20, 2026
Merged

Disable VM creation retry in CostsExample1 #37

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535fde4
Disable VM creation retry in CostsExample1 to avoid infinite loop
manoelcampos Oct 20, 2026
efd523e
Clarify VM creation retry comment in CostsExample1
manoelcampos Oct 20, 2026
d73ec11
Update CostsExample1 docs to match its current behavior
manoelcampos Oct 20, 2026
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10 changes: 6 additions & 4 deletions src/main/java/org/cloudsimplus/examples/costs/CostsExample1.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,9 +48,8 @@
/**
* A simple example showing how to define datacenter resource utilization
* and individual VM's costs ($).
* It creates VMs that run some cloudlets.
* Some VMs will just be idle all the time and
* other ones won't be created due to lack of available Hosts.
* It creates VMs that run some cloudlets,
* while other VMs will just be idle all the time.
*
* @author Manoel Campos da Silva Filho
* @since CloudSim Plus 6.2.7
Expand Down Expand Up @@ -116,10 +115,13 @@ private CostsExample1() {

/**
* Creates a broker which is a software acting on behalf of a cloud customer to manage his/her VMs and Cloudlets.
* It disables VMs creation retry, this way, failed VMs will be just added to the {@link DatacenterBroker#getVmFailedList()}.
* It disables VM creation retry, so that VMs that can't be placed are just added to the {@link DatacenterBroker#getVmFailedList()}.
*/
private DatacenterBroker createBroker() {
final var broker = new DatacenterBrokerSimple(simulation);
//Disables VM creation retry, so that VMs that can't be placed are just added to the broker's failed VM list
broker.getVmCreation().setRetryDelay(-1);

//Destroys idle VMs after some time (in seconds)
broker.setVmDestructionDelay(0.2);
return broker;
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