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Chaos faults for Windows

Introduction​

Windows faults disrupt the resources running on a Windows OS based machine or VM. This deteriorates the performance of the application for the duration of the chaos experiment. Depending on the type of instance the fault targets, Windows faults are categorized into various types.

Windows CPU stress

Windows CPU stress

Windows CPU stress applies stress on the CPU resources of Windows OS VM.

cpu
Windows Memory stress

Windows Memory stress

Windows memory stress applies stress on the memory resources of a Windows OS based VM.

memory
Windows Network Blackhole Chaos

Windows Network Blackhole Chaos

Windows network blackhole chaos simulates a network blackhole scenario on Windows OS based VM.

network
Windows Network Corruption

Windows Network Corruption

Windows Network Corruption corrupts network packets on Windows VMs for the target hosts using Clumsy. It checks the performance of the application running on the Windows VMs when network packets are corrupted during transmission.

networkcorruption
Windows Network Duplication

Windows Network Duplication

Windows network duplication duplicates network packets on Windows VM for the target hosts or IP addresses using Clumsy. It checks the performance of the services running on the Windows VMs.

networkduplication
Windows Network Latency

Windows Network Latency

Windows Network Latency causes a network packet delay on Windows VMs for the target hosts by causing network packet delay using Clumsy.

networklatency

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Windows CPU stress​

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Windows CPU stress applies stress on the CPU resources of Windows OS based machine or VM. It checks the performance of the application running on the VMs.

Details

Use cases This fault helps determine how resilient an application is when stress is applied on the CPU resources of a Windows virtual machine.

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Windows memory stress​

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Windows memory stress applies stress on the memory resources on Windows OS based machine or VM. It checks the performance of the application running on the VMs.

Details

Use cases This fault helps determine how resilient an application is when stress is applied on the memory resources of a Windows virtual machine.

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Windows Network Blackhole Chaos​

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Windows blackhole chaos blocks traffic to specified IP addresses on Windows OS based VMware VM. It checks the performance of the application running on the VMware VMs.

Details

Use cases This fault helps determine how resilient an application is when network access to certain IP addresses is blocked on a Windows virtual machine.

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Windows Network Corruption​

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Windows Network Corruption corrupts network packets on Windows VMs for the target hosts using Clumsy. It checks the performance of the application running on the Windows VMs when network packets are corrupted during transmission.

Use cases
  • Determines the resilience of an application when a network corruption scenario is simulated on a Windows virtual machine.
  • Simulates the situation of network corruption on the application, which degrades their performance.
  • Helps verify the application's ability to handle network failures and its failover mechanisms.
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Windows Network Duplication​

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Windows network duplication duplicates network packets on Windows VM for the target hosts or IP addresses using Clumsy. It checks the performance of the services running on the Windows VMs.

Use cases
  • Determines the resilience of an application when a network duplication scenario is simulated on a Windows virtual machine.
  • Simulates the situation of network duplication on the application, which degrades their performance.
  • Helps verify the application's ability to handle network failures and its failover mechanisms.
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Windows Network Latency​

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Windows Network Latency causes a network packet delay on Windows VMs for the target hosts by causing network packet delay using Clumsy. It checks the performance of the application running on the Windows VMs.

Use cases
  • Determines the resilience of an application when a network delay scenario is simulated on a Windows virtual machine.
  • Simulates the situation of network delay for dependent processes and microservices running on the application, which degrades their performance.
  • Helps verify the application's ability to handle network failures and its failover mechanisms.
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Windows Network Loss​

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Windows network loss causes network packet loss on Windows VM for the target hosts or IP addresses using Clumsy. It checks the performance of the services running on the Windows VMs after the disrupted network loss conditions.

Use cases
  • Simulates issues within the host network (or microservice) communication across services in different hosts.
  • Determines the impact of degradation while accessing a microservice.
  • Limits the impact (blast radius) to the traffic that you wish to test by specifying the IP addresses, if the VM stalls or gets corrupted while waiting endlessly for a packet.
  • Simulates degraded network with varied percentages of dropped packets between microservices.
  • Simulates loss of access to specific third party (or dependent) services (or components).
  • Simulates blackhole against traffic to a given availability zone, that is, failure simulation of availability zones.
  • Simulates network partitions (split-brain) between peer replicas for a stateful application.
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