(r17) WebHome < WMS

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---+ Welcome to the WMS page

%TOC%

---++ What is the WMS

The Workload Management System (WMS) is a software service of the gLite/EMI middleware 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
   * [[getWMS][Get gLite WMS]]
   * [[gLiteWMSLicence][gLite WMS license information]]

---+++ EMI WMS Software
   * [[http://www.eu-emi.eu/emi-1-kebnekaise][EMI 1 (Kebnekaise) software repository]] 
      * [[http://www.eu-emi.eu/kebnekaise-products/-/asset_publisher/4BKc/content/wms?redirect=http%3A%2F%2Fwww.eu-emi.eu%2Fkebnekaise-products%3Fp_p_id%3D101_INSTANCE_4BKc%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-2%26p_p_col_pos%3D1%26p_p_col_count%3D2][WMS 3.3.0]]
      * [[http://www.eu-emi.eu/emi-1-kebnekaise-updates/-/asset_publisher/Ir6q/content/emi-1-kebnekaise-update-1-17-06-2011?redirect=http%3A%2F%2Fwww.eu-emi.eu%2Femi-1-kebnekaise-updates%3Fp_p_id%3D101_INSTANCE_Ir6q%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-2%26p_p_col_count%3D1][WMS 3.3.1]]

---++ Documentation

---+++ Documentation for EMI versions

   * [[https://twiki.cern.ch/twiki/pub/EMI/EMIui/EMI_UI_v1_0_0_0.pdf][Client Installation and Configuration (pdf)]]
   * [[http://wiki.italiangrid.org/twiki/bin/view/WMS/WMSSystemAdministratorGuide][System Administrator Guide]]
   * [[EMIWMSServiceRefCard][Service Reference card]]
   * [[http://web.infn.it/gLiteWMS/images/WMS/Docs/wmproxy-guide.pdf][User Guide (pdf)]]
   * [[http://edms.cern.ch/document/590869][Job Description Language (JDL) documentation]]

---+++ Documentation for gLite versions

---++++ Documentation for administrators

   * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/WMS_guide][WMS installation and configuration guide]]
   * Information concerning configuration 
      * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/WMS_guide#Configuration_Guide][Configuration guide]]
      * [[https://twiki.cnaf.infn.it/cgi-bin/twiki/view/EgeeJra1It/WMSConfFile][Details of the WMS Configuration file]]
   * [[https://twiki.cern.ch/twiki/bin/view/EGEE/GliteWMS][gLite WMS service reference card]]
   * [[WMS System Administrator Guide]]

---++++ Documentation for users

   * [[https://edms.cern.ch/document/674643][WMS User's guide]]
   * [[http://edms.cern.ch/document/590869][Job Description Language (JDL) documentation]]
   * [[WMSClientInstallConfig][WMS Client Installation and Configuration]]

---+++ Other documentation concerning the WMS

   * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/WMS_limiter][Information concerning the WMS limiter mechanism]]
   * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/JobWrapperMaxOSB][How the limit on the maximum output sandbox size works]]
   * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/AuthZinMM][How the authorization information is used in the WMS matchmaking process]]
   * Information concerning the WMS !JobWrapper 
      * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/JobWrapperGeneration][How the Job wrapper is generated]]
      * [[https://twiki.cnaf.infn.it/twiki/bin/view/EgeeJra1It/CustomizationPoints][Job Wrapper customization points]]

---++ Papers and Presentations

   * [[WmsPapers][Papers]]
   * [[WMSPresentations][Presentations]]

---++ Testing and Certification
---+++ Documentation
   * [[TestPlan][Test Plan]] 
      * [[RegressionTest][Regression tests (fixed bugs)]]
   * [[WmsTestSuite][Test Suite]] 
      * [[WmsCliTestSuite][Command Line Interface Test Suite]]
      * [[WmsServiceTestSuite][Service Test Suite]]
      * [[WmsRegressionTestSuite][Regression Test Suite]]

---+++ Reports
   * [[Task21572][Task #21572: WMS v. 3.3.1-1]]
   * [[Task20812][Task #20812: WMS v. 3.3.2]]
   * [[Task21777][Task #21777: WMS v. 3.3.3]]

---++ Contacts and Support

   * [[HowToReportProblems][How to report problems]]
   * [[HowToContactWMSSupport][How to contact the WMS support team]]
   * [[WMSUsersML][WMS users mailing list]]
Topic revision: r17 - 2011-08-03 - MassimoSgaravatto
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