Memory Hog Scenarios using Krkn

To enable this plugin add the pointer to the scenario input file scenarios/kube/memory-hog.yml as described in the Usage section.

memory-hog options

In addition to the common hog scenario options, you can specify the below options in your scenario configuration to specificy the amount of memory to hog on a certain worker node

OptionTypeDescription
memory-vm-bytesstringthe amount of memory that the scenario will try to hog.The size can be specified as % of free space on the file system or in units of Bytes, KBytes, MBytes and GBytes using the suffix b, k, m or g

Usage

To enable hog scenarios edit the kraken config file, go to the section kraken -> chaos_scenarios of the yaml structure and add a new element to the list named hog_scenarios then add the desired scenario pointing to the hog.yaml file.

kraken:
    ...
    chaos_scenarios:
        - hog_scenarios:
            - scenarios/kube/memory-hog.yml
Last modified April 8, 2025: Hog scenarios (#22) (a77f3a7)