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Welcome to the WMS web

What is the gLite WMS

The gLite Workload Management System (gLite WMS) is a software service of the gLite middlewae which is responsible for distributing and managing tasks across computing and storage resources available on a Grid. WMS assigns user jobs to CEs and SEs belonging to a Grid environment in a convenient fashion, so that:

  • jobs are always executed on resources that match the job requirements
  • Grid-wide load balance is maintained, i.e. jobs are evenly and efficiently distributed across the entire Grid.
The WMS basically receives requests of job execution from a client, finds the required appropriate resources, then dispatches and follows them until completion. This is done handling failure in between and whenever possible. Other than single batch-like jobs, compound job types handled by the WMS are Directed Acyclic Graphs (a set of jobs where the input/output/execution of one of more jobs may depend on one or more other jobs), Parametric Jobs (multiple jobs with one parametrized description), and Collections (multiple jobs with a common description). Jobs are described via a flexible, high-level Job Definition Language (JDL).

As a global Grid resource broker, the WMS represents a reliable and efficient entry point to high-end services available on a Grid, providing a common front-end for user job submission.

gLite WMS software

Documentation for administrators

Documentation for users

Other documentation concerning the WMS

Papers and Presentations

EMI 1 Release

Contacts and Support

WMS Web Utilities

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Topic revision: r11 - 2011-06-28 - AlessioGianelle
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