Connecting Infrastructure, Connecting Research

EGEE CPU Accounting

The EGEE Accounting Service, comprised of a data collection and reporting services, is a large centralised database which collects and aggregates CPU usage information from sites across the grid through different types of sensors (APEL, GRATIA, SGAS, DGAS, etc,…).

 

APEL

 

  • APEL (Accounting Processor for Event Logs) is a component of EGEE CPU Accounting distributed as part of the gLite middleware.
  • APEL parses batch system and Grid gatekeeper logs at each Grid site to generate CPU usage records and publishes them into a centralised repository at a GOC (Grid Operations Centre) using R-GMA as the transport mechanism. The records are processed and summarized and can then be accessed through the EGEE Accounting Portal.
  • The CESGA accounting portal provides a front-end view of published CPU resources that have been aggregated into summaries. These summaries may viewed per Site, per VO, per ROC, per Tier1 / Tier2, per user.

 

Documentation

 

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EGEE

 

The EGEE project brings together experts from over 32 countries with the common aim of building on recent advances in Grid technology and developing a service Grid infrastructure which is available to scientists 24 hours-a-day.

 

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