The Mercury Monitor is designed to satisfy requirements of grid performance
monitoring: it provides monitoring data represented as metrics via both pull
and push access semantics and also supports steering by controls. It
supports monitoring of grid entities such as resources and applications in a
generic, extensible and scalable way. It is implemented in a modular way
with emphasis on simplicity, efficiency, portability and low intrusiveness
on the monitored system.
The objectives of this workpackage are to design and develop a general grid
monitoring infrastructure, compliant to the Grid Monitoring Architecture
proposal of the Global Grid Forum Performance Working Group. The aim is to
support the advanced scenarios foreseen in the GridLab project, such as
application steering, self-tuning applications and performance analysis and
prediction. To achieve this the general GGF GMA architecture is extended
with actuators and controls. Actuators are analogous to sensors
in the GGF GMA but instead of gathering information, they implement controls
and provide a way to
influence the system.
Components provided by other work packages (especially WP7) will be based on
the services provided by this work package. Using the capabilities provided
by the monitoring system together with functionality provided by other work
packages it will be possible to make the monitoring system itself more
intelligent and adaptive including dynamic sensor management according to
the rapidly changing grid environment.