@Private @Unstable

Package org.apache.hadoop.tools.dynamometer

The Dynamometer tool is used to stress test the HDFS NameNode by setting up a realistic environment consistent of fake DataNodes and a real NameNode with a real FS namesystem and near-real user workload (RPCs). Please see the documentation for more detail.

Class Summary

Class	Description
AllowAllImpersonationProvider	An ImpersonationProvider that indiscriminately allows all users to proxy as any other user.
ApplicationMaster	The ApplicationMaster for Dynamometer.
BlockPlacementPolicyAlwaysSatisfied	A BlockPlacementPolicy which always considered itself satisfied.
Client	Client for submitting a Dynamometer YARN application, and optionally, a workload MapReduce job.
DynoConstants	Constants used in both Client and Application Master.
DynoInfraUtils	A collection of utilities used by the Dynamometer infrastructure application.
SimulatedDataNodes	Starts up a number of DataNodes within the same JVM.