NodeWrecker

Stress test your cluster under sporadic high cpu, memory, or disk load.

Build image

make image

For Raspberry pi: make image-pi

Build binary

make build

For Raspberry pi: make build-pi

Run via docker

docker start jaeg/nodewrecker:latest --threads=4 --escalate=true --abuse-memory=true --chaos

Raspberry pi: docker start jaeg/nodewrecker:latest-pi --threads=4 --escalate=true --abuse-memory=true --chaos

Install via helm

helm upgrade --install node-wrecker ./helm-chart/

Raspberry pi:

• Update appVersion in helm-chart/chart.yaml from latest to latest-pi
• helm upgrade --install pi-wrecker ./helm-chart/

Flags

• chaos
  • default:false
  • Enables chaos mode
• threads
  • default:4
  • Number of threads to run
• sleep
  • default:1
  • milliseconds to sleep
• escalate
  • default:false
  • Keep creating threads
• escalate-rate
  • default:1000
  • milliseconds between creating new threads
• string-length
  • default:1000
  • length of randomly generated string
• abuse-memory
  • default:false
  • if true nodewrecker will store all generated values in memory
• min-duration
  • default: 10
  • minimum seconds a test lasts
• max-duration
  • default: 60
  • max seconds a test lasts
• max-deay
  • default: 10
  • max seconds between tests
• min-delay
  • defaults: 10
  • min seconds between tests
• verbose
  • defaults: false
  • output everything from threads
• output
  • defaults: false
  • write output from threads to txt files
• output-dir
  • defaults: ./
  • directory to put output from threads