Introduction

Generate read/write/flush operation on disks.

Usage

The resources on a host are shared between containers. Running a resource attack for a container is executed in the containers cgroup and namespace, but might affect the host's resources and all containers running on it.

Use Cases

• Stress test the container resources

Parameters

Parameter	Description	Default
Mode	Define the operational mode. The attack can stress io either by just flushing disk caches calling sync() and/or continually reading and writings temporary files to disk.	read_write_and_flush
Duration	How long should IO be consumed?	30s
Workers	How many workers should continually write, read and remove temporary files? (0 = 1 per core)	1
Path	Path where the IO should be inflicted	/
MBytes to write	How many megabytes should be written per stress operation?	1024