validate

Documentation

Index

• func CheckCPUPowerGovernor()
• func ExecutorsNOFILELimit(executors []executor.Executor)
• func OS()

Functions

func CheckCPUPowerGovernor

func CheckCPUPowerGovernor()

CheckCPUPowerGovernor warn user about potential issues with performance when powersave governor is used. procfs: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices-system-cpu governor path: https://www.kernel.org/doc/Documentation/cpu-freq/user-guide.txt performance,powersave constants: http://lxr.free-electrons.com/source/drivers/cpufreq/cpufreq.c#L484

func ExecutorsNOFILELimit

func ExecutorsNOFILELimit(executors []executor.Executor)

ExecutorsNOFILELimit validates if environment provided by executors can run distributed application that requires large number of open file descriptors.

func OS

func OS()

OS checks experiment local OS environment to help identify potential issues. Note: in case of some requirements not met, only warns user.