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Condor-G: An Update

Learn about Condor-G, a tool to run jobs on the Grid using the Globus Toolkit. Explore its features, job management capabilities, and advantages. Discover how Condor-G works and manages Grid resources efficiently. Get insights into its past, present upgrades, and future potential.

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Condor-G: An Update

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  1. Condor-G:An Update

  2. Outline • What is Condor-G • Past • Present • Future

  3. What Is Condor-G • Use Condor to run jobs on the Grid • Uses Globus Toolkit • GRAM (submit a remote job) • GASS (transfer job’s files) • Two components • Globus Universe • GlideIn

  4. Globus Universe • Run a job on a Grid resource • Features • Job management • Fault tolerance • Credential management • Disadvantages • No remote syscalls, checkpoint/migration, or dynamic resource selection

  5. How It Works Condor-G Grid Resource Schedd LSF

  6. 600 Globus jobs How It Works Condor-G Grid Resource Schedd LSF

  7. 600 Globus jobs How It Works Condor-G Grid Resource Schedd LSF GridManager

  8. 600 Globus jobs How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager

  9. 600 Globus jobs How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager User Job

  10. GlideIn • Create your own personal Condor pool from temporarily-acquired Grid resources • Brings the full power of Condor to the Grid • Run a Condor startd on a Grid resource • Startd reports back to your machine and runs Vanilla and Standard Universe jobs

  11. 600 Condor jobs How It Works Condor-G Grid Resource Schedd LSF Collector

  12. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource Schedd LSF Collector

  13. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource Schedd LSF GridManager Collector

  14. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager Collector

  15. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager Startd Collector

  16. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager Startd Collector

  17. 600 Condor jobs glide-ins How It Works Condor-G Grid Resource JobManager Schedd LSF GridManager Startd Collector User Job

  18. Globus Grid LSF PBS Condor Condor-G

  19. Globus Grid 600 Condor jobs LSF PBS Condor Condor-G

  20. Globus Grid Condor-G 600 Condor jobs LSF PBS Condor

  21. Globus Grid Condor-G 600 Condor jobs LSF PBS glide-ins Condor

  22. Globus Grid Condor-G 600 Condor jobs LSF PBS glide-ins Condor

  23. Globus Grid Condor-G 600 Condor jobs LSF PBS glide-ins Condor

  24. Globus Grid Condor-G 600 Condor jobs LSF PBS glide-ins Condor

  25. Past • GridManager daemon • Runs Grid jobs using GRAM protocol • Stages executable and standard I/O using GASS protocol • Globus GRAM 1.5 • We added fault-tolerance to the GRAM protocol • Changes included in Globus Toolkit 2.0 release

  26. Present • Updated Condor-G to Globus Toolkit 2.0 • Enhanced GridManager • GAHP

  27. Enhanced GridManager • Put problem jobs on hold • No more stuck jobs • Increase concurrency with GAHP • Almost ready

  28. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  29. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  30. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  31. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  32. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  33. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  34. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  35. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  36. Single-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  37. Multi-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  38. Multi-Threaded Execution Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  39. Globus Application Helper Protocol (GAHP) • Condor is non-threaded • Want to use multi-threaded libraries • Increased concurrency • Put libraries in external helper process • Simple interface over pipes/sockets

  40. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource Grid Resource

  41. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  42. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  43. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  44. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  45. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  46. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  47. Multi-Threaded Execution with GAHP Grid Resource GridManager Job 1 Grid Resource Job 2 Job 3 Job 4 Grid Resource GAHP Server GAHP Client Grid Resource

  48. Future • GRAM 1.6 • Condor-G on Windows • Condor-G Grid service

  49. Globus GRAM 1.6 • Working with Globus team to add additional features to GRAM protocol • Credential refresh • File staging • Scheduler-specific options

  50. Condor-G for Windows • Condor • Windows implementation available • GRAM and GASS APIs • No C implementation for Windows (yet) • Java implementation (Java CoG) • Condor-G • Windows version possible by writing GAHP server in Java

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