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glideinWMS: Making Grid Simple for Users

glideinWMS: Making Grid Simple for Users. glideinWMS Glidein Factory, VO Frontend, WMS Pool. The glideinWMS – developed on top of the Condor system with just a thin layer on top of it Glidein Factory (GF) creates and submits glideins based on the demand

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glideinWMS: Making Grid Simple for Users

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  1. glideinWMS: Making Grid Simple for Users glideinWMS Glidein Factory, VO Frontend, WMS Pool The glideinWMS – • developed on top of the Condor system with just a thin layer on top of it • Glidein Factory (GF) creates and submits glideins based on the demand • Glideins running on the Grid worker nodes (WN) create condor pool of dynamically size to run user jobs. From the user’s point of view – • glideinWMS is just a distributed Condor system • shields the user from interfacing directly with the grid • users with existing Condor-ready jobs can submit them to the Grid with minimal changes. • the pilot can validate the node before running a user job; reducing the failure rate of user jobs. • provides pseudo-interactive monitoring • glideinWMS can prioritize jobs from different users. UCSD currently hosts a factory that is open (upon request) to smaller OSG VOs. Condor Central Manager Condor Scheduler Grid Site Job Grid WN Condor Startd (started by glidein) glideinWMS: OSG All Hands Meeting 2010

  2. Convert a Condor job to be run with glideinWMS Add Desired_Sites (used by glideinWMS) to the JDF. This is used by glideinWMS to determine potential Grid site and is configurable. Modify the requirements to support Desired_sites. Parag Mhashilkar, Burt Holzman (Fermilab); Igor Sfiligoi (UCSD) glideinWMS: OSG All Hands Meeting 2010

  3. Pseudo Interactive Monitoring • User can securely interact with the job while it is running on the worker node. • Glidein starts a condor startd dedicated for pseudo interactive monitoring. glideinWMS: OSG All Hands Meeting 2010

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