LoadBuilder: a tool for generating and modeling workloads in distributed workstation environments

摘要

This paper presents LoadBuilder,a distributed environment designed to provide a portable way of empiricaly studying the effects of various kinds of workloads in local networks of heterogeneous workstations.This tool is especially intended to build distributed experiments including composite workload setting,statistics collection and performance evaluations.The statistical analysis of the experiments results will help the dynamic load balancing designer to select the most meaningful indicators out of the plethora available on workstations,to establish behavior models of the workstations,to exhibit critical workload thresholds and finally,to establish his own set of meaningful workload indicators.In the following; we first describe the architecture of the environment.Then,we present and discuss the algorithms used to (a) build synthetic workloads, (b) statistics collectors and (c) measurement procedures.