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Wednesday, October 17 • 2:40pm - 3:20pm
Profiling the Nova Scheduler: A Case Study

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The default Essex Nova scheduler is slow when it comes to scheduling multiple VMs. Taking about 26 seconds to schedule 100 VMs in our lab environment.  This talk will cover the process we took to identify the bottlenecks in the scheduler, in both the Essex and Folsom schedulers.  Covering:

  • profiling Nova
  • how eventlet changes everything
  • interplay between sql and Nova
  • understanding Nova logs
  • RPC
  • frequency scaling

avatar for Joe Gordon

Joe Gordon

Joe Gordon (jogo) is an engineer at Cloudscaling, where he focuses on Nova. In addition to being an active member of the OpenStack community, he also has experience configuring and deploying OpenStack in large production environments.

Wednesday October 17, 2012 2:40pm - 3:20pm PDT
Manchester E

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